diff options
| author | David S. Miller <davem@davemloft.net> | 2008-03-12 05:17:18 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-03-12 05:17:18 +0300 |
| commit | ba73d4c84a7344f1b5635c2b4e96796e8c13a126 (patch) | |
| tree | d4a3e2cfc5f3a046a2b9baa898f0c201c75ba898 | |
| parent | b8ad0cbc58f703972e9e37c4e2a8081dd7e6a551 (diff) | |
| parent | deedf504302ff747985db081352e045ff7087a11 (diff) | |
| download | linux-ba73d4c84a7344f1b5635c2b4e96796e8c13a126.tar.xz | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/linville/wireless-2.6.26
104 files changed, 10988 insertions, 3552 deletions
diff --git a/Documentation/DocBook/Makefile b/Documentation/DocBook/Makefile index 300e1707893f..9ebd1f00c6e7 100644 --- a/Documentation/DocBook/Makefile +++ b/Documentation/DocBook/Makefile @@ -11,7 +11,8 @@ DOCBOOKS := wanbook.xml z8530book.xml mcabook.xml videobook.xml \ procfs-guide.xml writing_usb_driver.xml networking.xml \ kernel-api.xml filesystems.xml lsm.xml usb.xml \ gadget.xml libata.xml mtdnand.xml librs.xml rapidio.xml \ - genericirq.xml s390-drivers.xml uio-howto.xml scsi.xml + genericirq.xml s390-drivers.xml uio-howto.xml scsi.xml \ + mac80211.xml ### # The build process is as follows (targets): diff --git a/Documentation/DocBook/mac80211.tmpl b/Documentation/DocBook/mac80211.tmpl new file mode 100644 index 000000000000..b651e0a4b1c0 --- /dev/null +++ b/Documentation/DocBook/mac80211.tmpl @@ -0,0 +1,335 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN" + "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" []> + +<book id="mac80211-developers-guide"> + <bookinfo> + <title>The mac80211 subsystem for kernel developers</title> + + <authorgroup> + <author> + <firstname>Johannes</firstname> + <surname>Berg</surname> + <affiliation> + <address><email>johannes@sipsolutions.net</email></address> + </affiliation> + </author> + </authorgroup> + + <copyright> + <year>2007</year> + <year>2008</year> + <holder>Johannes Berg</holder> + </copyright> + + <legalnotice> + <para> + This documentation is free software; you can redistribute + it and/or modify it under the terms of the GNU General Public + License version 2 as published by the Free Software Foundation. + </para> + + <para> + This documentation is distributed in the hope that it will be + useful, but WITHOUT ANY WARRANTY; without even the implied + warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the GNU General Public License for more details. + </para> + + <para> + You should have received a copy of the GNU General Public + License along with this documentation; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, + MA 02111-1307 USA + </para> + + <para> + For more details see the file COPYING in the source + distribution of Linux. + </para> + </legalnotice> + + <abstract> +!Pinclude/net/mac80211.h Introduction +!Pinclude/net/mac80211.h Warning + </abstract> + </bookinfo> + + <toc></toc> + +<!-- +Generally, this document shall be ordered by increasing complexity. +It is important to note that readers should be able to read only +the first few sections to get a working driver and only advanced +usage should require reading the full document. +--> + + <part> + <title>The basic mac80211 driver interface</title> + <partintro> + <para> + You should read and understand the information contained + within this part of the book while implementing a driver. + In some chapters, advanced usage is noted, that may be + skipped at first. + </para> + <para> + This part of the book only covers station and monitor mode + functionality, additional information required to implement + the other modes is covered in the second part of the book. + </para> + </partintro> + + <chapter id="basics"> + <title>Basic hardware handling</title> + <para>TBD</para> + <para> + This chapter shall contain information on getting a hw + struct allocated and registered with mac80211. + </para> + <para> + Since it is required to allocate rates/modes before registering + a hw struct, this chapter shall also contain information on setting + up the rate/mode structs. + </para> + <para> + Additionally, some discussion about the callbacks and + the general programming model should be in here, including + the definition of ieee80211_ops which will be referred to + a lot. + </para> + <para> + Finally, a discussion of hardware capabilities should be done + with references to other parts of the book. + </para> +<!-- intentionally multiple !F lines to get proper order --> +!Finclude/net/mac80211.h ieee80211_hw +!Finclude/net/mac80211.h ieee80211_hw_flags +!Finclude/net/mac80211.h SET_IEEE80211_DEV +!Finclude/net/mac80211.h SET_IEEE80211_PERM_ADDR +!Finclude/net/mac80211.h ieee80211_ops +!Finclude/net/mac80211.h ieee80211_alloc_hw +!Finclude/net/mac80211.h ieee80211_register_hw +!Finclude/net/mac80211.h ieee80211_get_tx_led_name +!Finclude/net/mac80211.h ieee80211_get_rx_led_name +!Finclude/net/mac80211.h ieee80211_get_assoc_led_name +!Finclude/net/mac80211.h ieee80211_get_radio_led_name +!Finclude/net/mac80211.h ieee80211_unregister_hw +!Finclude/net/mac80211.h ieee80211_free_hw + </chapter> + + <chapter id="phy-handling"> + <title>PHY configuration</title> + <para>TBD</para> + <para> + This chapter should describe PHY handling including + start/stop callbacks and the various structures used. + </para> +!Finclude/net/mac80211.h ieee80211_conf +!Finclude/net/mac80211.h ieee80211_conf_flags + </chapter> + + <chapter id="iface-handling"> + <title>Virtual interfaces</title> + <para>TBD</para> + <para> + This chapter should describe virtual interface basics + that are relevant to the driver (VLANs, MGMT etc are not.) + It should explain the use of the add_iface/remove_iface + callbacks as well as the interface configuration callbacks. + </para> + <para>Things related to AP mode should be discussed there.</para> + <para> + Things related to supporting multiple interfaces should be + in the appropriate chapter, a BIG FAT note should be here about + this though and the recommendation to allow only a single + interface in STA mode at first! + </para> +!Finclude/net/mac80211.h ieee80211_if_types +!Finclude/net/mac80211.h ieee80211_if_init_conf +!Finclude/net/mac80211.h ieee80211_if_conf + </chapter> + + <chapter id="rx-tx"> + <title>Receive and transmit processing</title> + <sect1> + <title>what should be here</title> + <para>TBD</para> + <para> + This should describe the receive and transmit + paths in mac80211/the drivers as well as + transmit status handling. + </para> + </sect1> + <sect1> + <title>Frame format</title> +!Pinclude/net/mac80211.h Frame format + </sect1> + <sect1> + <title>Alignment issues</title> + <para>TBD</para> + </sect1> + <sect1> + <title>Calling into mac80211 from interrupts</title> +!Pinclude/net/mac80211.h Calling mac80211 from interrupts + </sect1> + <sect1> + <title>functions/definitions</title> +!Finclude/net/mac80211.h ieee80211_rx_status +!Finclude/net/mac80211.h mac80211_rx_flags +!Finclude/net/mac80211.h ieee80211_tx_control +!Finclude/net/mac80211.h ieee80211_tx_status_flags +!Finclude/net/mac80211.h ieee80211_rx +!Finclude/net/mac80211.h ieee80211_rx_irqsafe +!Finclude/net/mac80211.h ieee80211_tx_status +!Finclude/net/mac80211.h ieee80211_tx_status_irqsafe +!Finclude/net/mac80211.h ieee80211_rts_get +!Finclude/net/mac80211.h ieee80211_rts_duration +!Finclude/net/mac80211.h ieee80211_ctstoself_get +!Finclude/net/mac80211.h ieee80211_ctstoself_duration +!Finclude/net/mac80211.h ieee80211_generic_frame_duration +!Finclude/net/mac80211.h ieee80211_get_hdrlen_from_skb +!Finclude/net/mac80211.h ieee80211_get_hdrlen +!Finclude/net/mac80211.h ieee80211_wake_queue +!Finclude/net/mac80211.h ieee80211_stop_queue +!Finclude/net/mac80211.h ieee80211_start_queues +!Finclude/net/mac80211.h ieee80211_stop_queues +!Finclude/net/mac80211.h ieee80211_wake_queues + </sect1> + </chapter> + + <chapter id="filters"> + <title>Frame filtering</title> +!Pinclude/net/mac80211.h Frame filtering +!Finclude/net/mac80211.h ieee80211_filter_flags + </chapter> + </part> + + <part id="advanced"> + <title>Advanced driver interface</title> + <partintro> + <para> + Information contained within this part of the book is + of interest only for advanced interaction of mac80211 + with drivers to exploit more hardware capabilities and + improve performance. + </para> + </partintro> + + <chapter id="hardware-crypto-offload"> + <title>Hardware crypto acceleration</title> +!Pinclude/net/mac80211.h Hardware crypto acceleration +<!-- intentionally multiple !F lines to get proper order --> +!Finclude/net/mac80211.h set_key_cmd +!Finclude/net/mac80211.h ieee80211_key_conf +!Finclude/net/mac80211.h ieee80211_key_alg +!Finclude/net/mac80211.h ieee80211_key_flags + </chapter> + + <chapter id="qos"> + <title>Multiple queues and QoS support</title> + <para>TBD</para> +!Finclude/net/mac80211.h ieee80211_tx_queue_params +!Finclude/net/mac80211.h ieee80211_tx_queue_stats_data +!Finclude/net/mac80211.h ieee80211_tx_queue + </chapter> + + <chapter id="AP"> + <title>Access point mode support</title> + <para>TBD</para> + <para>Some parts of the if_conf should be discussed here instead</para> + <para> + Insert notes about VLAN interfaces with hw crypto here or + in the hw crypto chapter. + </para> +!Finclude/net/mac80211.h ieee80211_get_buffered_bc +!Finclude/net/mac80211.h ieee80211_beacon_get + </chapter> + + <chapter id="multi-iface"> + <title>Supporting multiple virtual interfaces</title> + <para>TBD</para> + <para> + Note: WDS with identical MAC address should almost always be OK + </para> + <para> + Insert notes about having multiple virtual interfaces with + different MAC addresses here, note which configurations are + supported by mac80211, add notes about supporting hw crypto + with it. + </para> + </chapter> + + <chapter id="hardware-scan-offload"> + <title>Hardware scan offload</title> + <para>TBD</para> +!Finclude/net/mac80211.h ieee80211_scan_completed + </chapter> + </part> + + <part id="rate-control"> + <title>Rate control interface</title> + <partintro> + <para>TBD</para> + <para> + This part of the book describes the rate control algorithm + interface and how it relates to mac80211 and drivers. + </para> + </partintro> + <chapter id="dummy"> + <title>dummy chapter</title> + <para>TBD</para> + </chapter> + </part> + + <part id="internal"> + <title>Internals</title> + <partintro> + <para>TBD</para> + <para> + This part of the book describes mac80211 internals. + </para> + </partintro> + + <chapter id="key-handling"> + <title>Key handling</title> + <sect1> + <title>Key handling basics</title> +!Pnet/mac80211/key.c Key handling basics + </sect1> + <sect1> + <title>MORE TBD</title> + <para>TBD</para> + </sect1> + </chapter> + + <chapter id="rx-processing"> + <title>Receive processing</title> + <para>TBD</para> + </chapter> + + <chapter id="tx-processing"> + <title>Transmit processing</title> + <para>TBD</para> + </chapter> + + <chapter id="sta-info"> + <title>Station info handling</title> + <sect1> + <title>Programming information</title> +!Fnet/mac80211/sta_info.h sta_info +!Fnet/mac80211/sta_info.h ieee80211_sta_info_flags + </sect1> + <sect1> + <title>STA information lifetime rules</title> +!Pnet/mac80211/sta_info.c STA information lifetime rules + </sect1> + </chapter> + + <chapter id="synchronisation"> + <title>Synchronisation</title> + <para>TBD</para> + <para>Locking, lots of RCU</para> + </chapter> + </part> +</book> diff --git a/drivers/net/wireless/ath5k/ath5k.h b/drivers/net/wireless/ath5k/ath5k.h index 18223d9833f1..b21830771ea5 100644 --- a/drivers/net/wireless/ath5k/ath5k.h +++ b/drivers/net/wireless/ath5k/ath5k.h @@ -140,7 +140,8 @@ enum ath5k_radio { AR5K_RF5110 = 0, AR5K_RF5111 = 1, AR5K_RF5112 = 2, - AR5K_RF5413 = 3, + AR5K_RF2413 = 3, + AR5K_RF5413 = 4, }; /* @@ -168,12 +169,15 @@ struct ath5k_srev_name { #define AR5K_SREV_VER_AR5212 0x50 #define AR5K_SREV_VER_AR5213 0x55 #define AR5K_SREV_VER_AR5213A 0x59 -#define AR5K_SREV_VER_AR2424 0xa0 -#define AR5K_SREV_VER_AR5424 0xa3 +#define AR5K_SREV_VER_AR2413 0x78 +#define AR5K_SREV_VER_AR2414 0x79 +#define AR5K_SREV_VER_AR2424 0xa0 /* PCI-E */ +#define AR5K_SREV_VER_AR5424 0xa3 /* PCI-E */ #define AR5K_SREV_VER_AR5413 0xa4 #define AR5K_SREV_VER_AR5414 0xa5 -#define AR5K_SREV_VER_AR5416 0xc0 /* ? */ -#define AR5K_SREV_VER_AR5418 0xca +#define AR5K_SREV_VER_AR5416 0xc0 /* PCI-E */ +#define AR5K_SREV_VER_AR5418 0xca /* PCI-E */ +#define AR5K_SREV_VER_AR2425 0xe2 /* PCI-E */ #define AR5K_SREV_RAD_5110 0x00 #define AR5K_SREV_RAD_5111 0x10 @@ -183,8 +187,9 @@ struct ath5k_srev_name { #define AR5K_SREV_RAD_5112A 0x35 #define AR5K_SREV_RAD_2112 0x40 #define AR5K_SREV_RAD_2112A 0x45 +#define AR5K_SREV_RAD_SC0 0x56 /* Found on 2413/2414 */ #define AR5K_SREV_RAD_SC1 0x63 /* Found on 5413/5414 */ -#define AR5K_SREV_RAD_SC2 0xa2 /* Found on 2424/5424 */ +#define AR5K_SREV_RAD_SC2 0xa2 /* Found on 2424-5/5424 */ #define AR5K_SREV_RAD_5133 0xc0 /* MIMO found on 5418 */ /* IEEE defs */ @@ -268,12 +273,13 @@ enum ath5k_driver_mode { #define SHPREAMBLE_FLAG(_ix) \ (HAS_SHPREAMBLE(_ix) ? AR5K_SET_SHORT_PREAMBLE : 0) + /****************\ TX DEFINITIONS \****************/ /* - * Tx Descriptor + * TX Status */ struct ath5k_tx_status { u16 ts_seqnum; @@ -421,7 +427,7 @@ enum ath5k_dmasize { \****************/ /* - * Rx Descriptor + * RX Status */ struct ath5k_rx_status { u16 rs_datalen; @@ -452,8 +458,6 @@ struct ath5k_mib_stats { }; - - /**************************\ BEACON TIMERS DEFINITIONS \**************************/ @@ -495,29 +499,23 @@ struct ath5k_beacon_state { #define TSF_TO_TU(_tsf) (u32)((_tsf) >> 10) - /********************\ COMMON DEFINITIONS \********************/ /* - * Atheros descriptor + * Atheros hardware descriptor + * This is read and written to by the hardware */ struct ath5k_desc { - u32 ds_link; - u32 ds_data; - u32 ds_ctl0; - u32 ds_ctl1; - u32 ds_hw[4]; + u32 ds_link; /* physical address of the next descriptor */ + u32 ds_data; /* physical address of data buffer (skb) */ union { - struct ath5k_rx_status rx; - struct ath5k_tx_status tx; - } ds_us; - -#define ds_rxstat ds_us.rx -#define ds_txstat ds_us.tx - + struct ath5k_hw_5210_tx_desc ds_tx5210; + struct ath5k_hw_5212_tx_desc ds_tx5212; + struct ath5k_hw_all_rx_desc ds_rx; + } ud; } __packed; #define AR5K_RXDESC_INTREQ 0x0020 @@ -961,6 +959,7 @@ struct ath5k_hw { u16 ah_phy_revision; u16 ah_radio_5ghz_revision; u16 ah_radio_2ghz_revision; + u32 ah_phy_spending; enum ath5k_version ah_version; enum ath5k_radio ah_radio; @@ -1036,8 +1035,10 @@ struct ath5k_hw { int (*ah_setup_xtx_desc)(struct ath5k_hw *, struct ath5k_desc *, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int); - int (*ah_proc_tx_desc)(struct ath5k_hw *, struct ath5k_desc *); - int (*ah_proc_rx_desc)(struct ath5k_hw *, struct ath5k_desc *); + int (*ah_proc_tx_desc)(struct ath5k_hw *, struct ath5k_desc *, + struct ath5k_tx_status *); + int (*ah_proc_rx_desc)(struct ath5k_hw *, struct ath5k_desc *, + struct ath5k_rx_status *); }; /* diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c index 393b5f3c25a7..b5c0a0d7a81c 100644 --- a/drivers/net/wireless/ath5k/base.c +++ b/drivers/net/wireless/ath5k/base.c @@ -118,6 +118,8 @@ static struct ath5k_srev_name srev_names[] = { { "5212", AR5K_VERSION_VER, AR5K_SREV_VER_AR5212 }, { "5213", AR5K_VERSION_VER, AR5K_SREV_VER_AR5213 }, { "5213A", AR5K_VERSION_VER, AR5K_SREV_VER_AR5213A }, + { "2413", AR5K_VERSION_VER, AR5K_SREV_VER_AR2413 }, + { "2414", AR5K_VERSION_VER, AR5K_SREV_VER_AR2414 }, { "2424", AR5K_VERSION_VER, AR5K_SREV_VER_AR2424 }, { "5424", AR5K_VERSION_VER, AR5K_SREV_VER_AR5424 }, { "5413", AR5K_VERSION_VER, AR5K_SREV_VER_AR5413 }, @@ -132,6 +134,7 @@ static struct ath5k_srev_name srev_names[] = { { "5112A", AR5K_VERSION_RAD, AR5K_SREV_RAD_5112A }, { "2112", AR5K_VERSION_RAD, AR5K_SREV_RAD_2112 }, { "2112A", AR5K_VERSION_RAD, AR5K_SREV_RAD_2112A }, + { "SChip", AR5K_VERSION_RAD, AR5K_SREV_RAD_SC0 }, { "SChip", AR5K_VERSION_RAD, AR5K_SREV_RAD_SC1 }, { "SChip", AR5K_VERSION_RAD, AR5K_SREV_RAD_SC2 }, { "5133", AR5K_VERSION_RAD, AR5K_SREV_RAD_5133 }, @@ -280,7 +283,8 @@ static int ath5k_rx_start(struct ath5k_softc *sc); static void ath5k_rx_stop(struct ath5k_softc *sc); static unsigned int ath5k_rx_decrypted(struct ath5k_softc *sc, struct ath5k_desc *ds, - struct sk_buff *skb); + struct sk_buff *skb, + struct ath5k_rx_status *rs); static void ath5k_tasklet_rx(unsigned long data); /* Tx handling */ static void ath5k_tx_processq(struct ath5k_softc *sc, @@ -1560,8 +1564,7 @@ ath5k_txq_drainq(struct ath5k_softc *sc, struct ath5k_txq *txq) */ spin_lock_bh(&txq->lock); list_for_each_entry_safe(bf, bf0, &txq->q, list) { - ath5k_debug_printtxbuf(sc, bf, !sc->ah->ah_proc_tx_desc(sc->ah, - bf->desc)); + ath5k_debug_printtxbuf(sc, bf); ath5k_txbuf_free(sc, bf); @@ -1686,20 +1689,20 @@ ath5k_rx_stop(struct ath5k_softc *sc) static unsigned int ath5k_rx_decrypted(struct ath5k_softc *sc, struct ath5k_desc *ds, - struct sk_buff *skb) + struct sk_buff *skb, struct ath5k_rx_status *rs) { struct ieee80211_hdr *hdr = (void *)skb->data; unsigned int keyix, hlen = ieee80211_get_hdrlen_from_skb(skb); - if (!(ds->ds_rxstat.rs_status & AR5K_RXERR_DECRYPT) && - ds->ds_rxstat.rs_keyix != AR5K_RXKEYIX_INVALID) + if (!(rs->rs_status & AR5K_RXERR_DECRYPT) && + rs->rs_keyix != AR5K_RXKEYIX_INVALID) return RX_FLAG_DECRYPTED; /* Apparently when a default key is used to decrypt the packet the hw does not set the index used to decrypt. In such cases get the index from the packet. */ if ((le16_to_cpu(hdr->frame_control) & IEEE80211_FCTL_PROTECTED) && - !(ds->ds_rxstat.rs_status & AR5K_RXERR_DECRYPT) && + !(rs->rs_status & AR5K_RXERR_DECRYPT) && skb->len >= hlen + 4) { keyix = skb->data[hlen + 3] >> 6; @@ -1712,8 +1715,10 @@ ath5k_rx_decrypted(struct ath5k_softc *sc, struct ath5k_desc *ds, static void -ath5k_check_ibss_hw_merge(struct ath5k_softc *sc, struct sk_buff *skb) +ath5k_check_ibss_tsf(struct ath5k_softc *sc, struct sk_buff *skb, + struct ieee80211_rx_status *rxs) { + u64 tsf, bc_tstamp; u32 hw_tu; struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data; @@ -1724,16 +1729,45 @@ ath5k_check_ibss_hw_merge(struct ath5k_softc *sc, struct sk_buff *skb) le16_to_cpu(mgmt->u.beacon.capab_info) & WLAN_CAPABILITY_IBSS && memcmp(mgmt->bssid, sc->ah->ah_bssid, ETH_ALEN) == 0) { /* - * Received an IBSS beacon with the same BSSID. Hardware might - * have updated the TSF, check if we need to update timers. + * Received an IBSS beacon with the same BSSID. Hardware *must* + * have updated the local TSF. We have to work around various + * hardware bugs, though... */ - hw_tu = TSF_TO_TU(ath5k_hw_get_tsf64(sc->ah)); - if (hw_tu >= sc->nexttbtt) { - ath5k_beacon_update_timers(sc, - le64_to_cpu(mgmt->u.beacon.timestamp)); + tsf = ath5k_hw_get_tsf64(sc->ah); + bc_tstamp = le64_to_cpu(mgmt->u.beacon.timestamp); + hw_tu = TSF_TO_TU(tsf); + + ATH5K_DBG_UNLIMIT(sc, ATH5K_DEBUG_BEACON, + "beacon %llx mactime %llx (diff %lld) tsf now %llx\n", + bc_tstamp, rxs->mactime, + (rxs->mactime - bc_tstamp), tsf); + + /* + * Sometimes the HW will give us a wrong tstamp in the rx + * status, causing the timestamp extension to go wrong. + * (This seems to happen especially with beacon frames bigger + * than 78 byte (incl. FCS)) + * But we know that the receive timestamp must be later than the + * timestamp of the beacon since HW must have synced to that. + * + * NOTE: here we assume mactime to be after the frame was + * received, not like mac80211 which defines it at the start. + */ + if (bc_tstamp > rxs->mactime) { ATH5K_DBG_UNLIMIT(sc, ATH5K_DEBUG_BEACON, - "detected HW merge from received beacon\n"); + "fixing mactime from %llx to %llx\n", + rxs->mactime, tsf); + rxs->mactime = tsf; } + + /* + * Local TSF might have moved higher than our beacon timers, + * in that case we have to update them to continue sending + * beacons. This also takes care of synchronizing beacon sending + * times with other stations. + */ + if (hw_tu >= sc->nexttbtt) + ath5k_beacon_update_timers(sc, bc_tstamp); } } @@ -1742,12 +1776,11 @@ static void ath5k_tasklet_rx(unsigned long data) { struct ieee80211_rx_status rxs = {}; + struct ath5k_rx_status rs = {}; struct sk_buff *skb; struct ath5k_softc *sc = (void *)data; struct ath5k_buf *bf; struct ath5k_desc *ds; - u16 len; - u8 stat; int ret; int hdrlen; int pad; @@ -1770,7 +1803,7 @@ ath5k_tasklet_rx(unsigned long data) if (unlikely(ds->ds_link == bf->daddr)) /* this is the end */ break; - ret = sc->ah->ah_proc_rx_desc(sc->ah, ds); + ret = sc->ah->ah_proc_rx_desc(sc->ah, ds, &rs); if (unlikely(ret == -EINPROGRESS)) break; else if (unlikely(ret)) { @@ -1779,16 +1812,15 @@ ath5k_tasklet_rx(unsigned long data) return; } - if (unlikely(ds->ds_rxstat.rs_more)) { + if (unlikely(rs.rs_more)) { ATH5K_WARN(sc, "unsupported jumbo\n"); goto next; } - stat = ds->ds_rxstat.rs_status; - if (unlikely(stat)) { - if (stat & AR5K_RXERR_PHY) + if (unlikely(rs.rs_status)) { + if (rs.rs_status & AR5K_RXERR_PHY) goto next; - if (stat & AR5K_RXERR_DECRYPT) { + if (rs.rs_status & AR5K_RXERR_DECRYPT) { /* * Decrypt error. If the error occurred * because there was no hardware key, then @@ -1799,30 +1831,29 @@ ath5k_tasklet_rx(unsigned long data) * * XXX do key cache faulting */ - if (ds->ds_rxstat.rs_keyix == - AR5K_RXKEYIX_INVALID && - !(stat & AR5K_RXERR_CRC)) + if (rs.rs_keyix == AR5K_RXKEYIX_INVALID && + !(rs.rs_status & AR5K_RXERR_CRC)) goto accept; } - if (stat & AR5K_RXERR_MIC) { + if (rs.rs_status & AR5K_RXERR_MIC) { rxs.flag |= RX_FLAG_MMIC_ERROR; goto accept; } /* let crypto-error packets fall through in MNTR */ - if ((stat & ~(AR5K_RXERR_DECRYPT|AR5K_RXERR_MIC)) || + if ((rs.rs_status & + ~(AR5K_RXERR_DECRYPT|AR5K_RXERR_MIC)) || sc->opmode != IEEE80211_IF_TYPE_MNTR) goto next; } accept: - len = ds->ds_rxstat.rs_datalen; - pci_dma_sync_single_for_cpu(sc->pdev, bf->skbaddr, len, - PCI_DMA_FROMDEVICE); + pci_dma_sync_single_for_cpu(sc->pdev, bf->skbaddr, + rs.rs_datalen, PCI_DMA_FROMDEVICE); pci_unmap_single(sc->pdev, bf->skbaddr, sc->rxbufsize, PCI_DMA_FROMDEVICE); bf->skb = NULL; - skb_put(skb, len); + skb_put(skb, rs.rs_datalen); /* * the hardware adds a padding to 4 byte boundaries between @@ -1844,8 +1875,19 @@ accept: * 15bit only. that means TSF extension has to be done within * 32768usec (about 32ms). it might be necessary to move this to * the interrupt handler, like it is done in madwifi. + * + * Unfortunately we don't know when the hardware takes the rx + * timestamp (beginning of phy frame, data frame, end of rx?). + * The only thing we know is that it is hardware specific... + * On AR5213 it seems the rx timestamp is at the end of the + * frame, but i'm not sure. + * + * NOTE: mac80211 defines mactime at the beginning of the first + * data symbol. Since we don't have any time references it's + * impossible to comply to that. This affects IBSS merge only + * right now, so it's not too bad... */ - rxs.mactime = ath5k_extend_tsf(sc->ah, ds->ds_rxstat.rs_tstamp); + rxs.mactime = ath5k_extend_tsf(sc->ah, rs.rs_tstamp); rxs.flag |= RX_FLAG_TSFT; rxs.freq = sc->curchan->center_freq; @@ -1859,26 +1901,25 @@ accept: /* noise floor in dBm, from the last noise calibration */ rxs.noise = sc->ah->ah_noise_floor; /* signal level in dBm */ - rxs.ssi = rxs.noise + ds->ds_rxstat.rs_rssi; + rxs.ssi = rxs.noise + rs.rs_rssi; /* * "signal" is actually displayed as Link Quality by iwconfig * we provide a percentage based on rssi (assuming max rssi 64) */ - rxs.signal = ds->ds_rxstat.rs_rssi * 100 / 64; + rxs.signal = rs.rs_rssi * 100 / 64; - rxs.antenna = ds->ds_rxstat.rs_antenna; - rxs.rate_idx = ath5k_hw_to_driver_rix(sc, - ds->ds_rxstat.rs_rate); - rxs.flag |= ath5k_rx_decrypted(sc, ds, skb); + rxs.antenna = rs.rs_antenna; + rxs.rate_idx = ath5k_hw_to_driver_rix(sc, rs.rs_rate); + rxs.flag |= ath5k_rx_decrypted(sc, ds, skb, &rs); ath5k_debug_dump_skb(sc, skb, "RX ", 0); /* check beacons in IBSS mode */ if (sc->opmode == IEEE80211_IF_TYPE_IBSS) - ath5k_check_ibss_hw_merge(sc, skb); + ath5k_check_ibss_tsf(sc, skb, &rxs); __ieee80211_rx(sc->hw, skb, &rxs); - sc->led_rxrate = ds->ds_rxstat.rs_rate; + sc->led_rxrate = rs.rs_rate; ath5k_led_event(sc, ATH_LED_RX); next: list_move_tail(&bf->list, &sc->rxbuf); @@ -1897,6 +1938,7 @@ static void ath5k_tx_processq(struct ath5k_softc *sc, struct ath5k_txq *txq) { struct ieee80211_tx_status txs = {}; + struct ath5k_tx_status ts = {}; struct ath5k_buf *bf, *bf0; struct ath5k_desc *ds; struct sk_buff *skb; @@ -1909,7 +1951,7 @@ ath5k_tx_processq(struct ath5k_softc *sc, struct ath5k_txq *txq) /* TODO only one segment */ pci_dma_sync_single_for_cpu(sc->pdev, sc->desc_daddr, sc->desc_len, PCI_DMA_FROMDEVICE); - ret = sc->ah->ah_proc_tx_desc(sc->ah, ds); + ret = sc->ah->ah_proc_tx_desc(sc->ah, ds, &ts); if (unlikely(ret == -EINPROGRESS)) break; else if (unlikely(ret)) { @@ -1924,17 +1966,16 @@ ath5k_tx_processq(struct ath5k_softc *sc, struct ath5k_txq *txq) PCI_DMA_TODEVICE); txs.control = bf->ctl; - txs.retry_count = ds->ds_txstat.ts_shortretry + - ds->ds_txstat.ts_longretry / 6; - if (unlikely(ds->ds_txstat.ts_status)) { + txs.retry_count = ts.ts_shortretry + ts.ts_longretry / 6; + if (unlikely(ts.ts_status)) { sc->ll_stats.dot11ACKFailureCount++; - if (ds->ds_txstat.ts_status & AR5K_TXERR_XRETRY) + if (ts.ts_status & AR5K_TXERR_XRETRY) txs.excessive_retries = 1; - else if (ds->ds_txstat.ts_status & AR5K_TXERR_FILT) + else if (ts.ts_status & AR5K_TXERR_FILT) txs.flags |= IEEE80211_TX_STATUS_TX_FILTERED; } else { txs.flags |= IEEE80211_TX_STATUS_ACK; - txs.ack_signal = ds->ds_txstat.ts_rssi; + txs.ack_signal = ts.ts_rssi; } ieee80211_tx_status(sc->hw, skb, &txs); @@ -2108,7 +2149,7 @@ ath5k_beacon_send(struct ath5k_softc *sc) * beacon timer registers. * * This is called in a variety of situations, e.g. when a beacon is received, - * when a HW merge has been detected, but also when an new IBSS is created or + * when a TSF update has been detected, but also when an new IBSS is created or * when we otherwise know we have to update the timers, but we keep it in this * function to have it all together in one place. */ @@ -2208,7 +2249,7 @@ ath5k_beacon_update_timers(struct ath5k_softc *sc, u64 bc_tsf) * another AP to associate with. * * In IBSS mode we use a self-linked tx descriptor if possible. We enable SWBA - * interrupts to detect HW merges only. + * interrupts to detect TSF updates only. * * AP mode is missing. */ @@ -2228,7 +2269,7 @@ ath5k_beacon_config(struct ath5k_softc *sc) * hardware send the beacons automatically. We have to load it * only once here. * We use the SWBA interrupt only to keep track of the beacon - * timers in order to detect HW merges (automatic TSF updates). + * timers in order to detect automatic TSF updates. */ ath5k_beaconq_config(sc); @@ -2441,8 +2482,8 @@ ath5k_intr(int irq, void *dev_id) * * In IBSS mode we use this interrupt just to * keep track of the next TBTT (target beacon - * transmission time) in order to detect hardware - * merges (TSF updates). + * transmission time) in order to detect wether + * automatic TSF updates happened. */ if (sc->opmode == IEEE80211_IF_TYPE_IBSS) { /* XXX: only if VEOL suppported */ diff --git a/drivers/net/wireless/ath5k/debug.c b/drivers/net/wireless/ath5k/debug.c index 05bf4fb8f907..41d5fa34b544 100644 --- a/drivers/net/wireless/ath5k/debug.c +++ b/drivers/net/wireless/ath5k/debug.c @@ -200,7 +200,8 @@ static ssize_t read_file_tsf(struct file *file, char __user *user_buf, { struct ath5k_softc *sc = file->private_data; char buf[100]; - snprintf(buf, sizeof(buf), "0x%016llx\n", ath5k_hw_get_tsf64(sc->ah)); + snprintf(buf, sizeof(buf), "0x%016llx\n", + (unsigned long long)ath5k_hw_get_tsf64(sc->ah)); return simple_read_from_buffer(user_buf, count, ppos, buf, 19); } @@ -271,7 +272,8 @@ static ssize_t read_file_beacon(struct file *file, char __user *user_buf, tsf = ath5k_hw_get_tsf64(sc->ah); len += snprintf(buf+len, sizeof(buf)-len, - "TSF\t\t0x%016llx\tTU: %08x\n", tsf, TSF_TO_TU(tsf)); + "TSF\t\t0x%016llx\tTU: %08x\n", + (unsigned long long)tsf, TSF_TO_TU(tsf)); return simple_read_from_buffer(user_buf, count, ppos, buf, len); } @@ -497,15 +499,18 @@ ath5k_debug_dump_bands(struct ath5k_softc *sc) } static inline void -ath5k_debug_printrxbuf(struct ath5k_buf *bf, int done) +ath5k_debug_printrxbuf(struct ath5k_buf *bf, int done, + struct ath5k_rx_status *rs) { struct ath5k_desc *ds = bf->desc; + struct ath5k_hw_all_rx_desc *rd = &ds->ud.ds_rx; printk(KERN_DEBUG "R (%p %llx) %08x %08x %08x %08x %08x %08x %c\n", ds, (unsigned long long)bf->daddr, - ds->ds_link, ds->ds_data, ds->ds_ctl0, ds->ds_ctl1, - ds->ds_hw[0], ds->ds_hw[1], - !done ? ' ' : (ds->ds_rxstat.rs_status == 0) ? '*' : '!'); + ds->ds_link, ds->ds_data, + rd->rx_ctl.rx_control_0, rd->rx_ctl.rx_control_1, + rd->u.rx_stat.rx_status_0, rd->u.rx_stat.rx_status_0, + !done ? ' ' : (rs->rs_status == 0) ? '*' : '!'); } void @@ -513,6 +518,7 @@ ath5k_debug_printrxbuffs(struct ath5k_softc *sc, struct ath5k_hw *ah) { struct ath5k_desc *ds; struct ath5k_buf *bf; + struct ath5k_rx_status rs = {}; int status; if (likely(!(sc->debug.level & ATH5K_DEBUG_RESET))) @@ -524,9 +530,9 @@ ath5k_debug_printrxbuffs(struct ath5k_softc *sc, struct ath5k_hw *ah) spin_lock_bh(&sc->rxbuflock); list_for_each_entry(bf, &sc->rxbuf, list) { ds = bf->desc; - status = ah->ah_proc_rx_desc(ah, ds); + status = ah->ah_proc_rx_desc(ah, ds, &rs); if (!status) - ath5k_debug_printrxbuf(bf, status == 0); + ath5k_debug_printrxbuf(bf, status == 0, &rs); } spin_unlock_bh(&sc->rxbuflock); } @@ -550,19 +556,24 @@ ath5k_debug_dump_skb(struct ath5k_softc *sc, } void -ath5k_debug_printtxbuf(struct ath5k_softc *sc, - struct ath5k_buf *bf, int done) +ath5k_debug_printtxbuf(struct ath5k_softc *sc, struct ath5k_buf *bf) { struct ath5k_desc *ds = bf->desc; + struct ath5k_hw_5212_tx_desc *td = &ds->ud.ds_tx5212; + struct ath5k_tx_status ts = {}; + int done; if (likely(!(sc->debug.level & ATH5K_DEBUG_RESET))) return; + done = sc->ah->ah_proc_tx_desc(sc->ah, bf->desc, &ts); + printk(KERN_DEBUG "T (%p %llx) %08x %08x %08x %08x %08x %08x %08x " "%08x %c\n", ds, (unsigned long long)bf->daddr, ds->ds_link, - ds->ds_data, ds->ds_ctl0, ds->ds_ctl1, - ds->ds_hw[0], ds->ds_hw[1], ds->ds_hw[2], ds->ds_hw[3], - !done ? ' ' : (ds->ds_txstat.ts_status == 0) ? '*' : '!'); + ds->ds_data, td->tx_ctl.tx_control_0, td->tx_ctl.tx_control_1, + td->tx_ctl.tx_control_2, td->tx_ctl.tx_control_3, + td->tx_stat.tx_status_0, td->tx_stat.tx_status_1, + done ? ' ' : (ts.ts_status == 0) ? '*' : '!'); } #endif /* ifdef CONFIG_ATH5K_DEBUG */ diff --git a/drivers/net/wireless/ath5k/debug.h b/drivers/net/wireless/ath5k/debug.h index 8c0b5c57c76b..2cf8d18b10e3 100644 --- a/drivers/net/wireless/ath5k/debug.h +++ b/drivers/net/wireless/ath5k/debug.h @@ -160,8 +160,7 @@ ath5k_debug_dump_skb(struct ath5k_softc *sc, struct sk_buff *skb, const char *prefix, int tx); void -ath5k_debug_printtxbuf(struct ath5k_softc *sc, - struct ath5k_buf *bf, int done); +ath5k_debug_printtxbuf(struct ath5k_softc *sc, struct ath5k_buf *bf); #else /* no debugging */ @@ -199,8 +198,7 @@ ath5k_debug_dump_skb(struct ath5k_softc *sc, struct sk_buff *skb, const char *prefix, int tx) {} static inline void -ath5k_debug_printtxbuf(struct ath5k_softc *sc, - struct ath5k_buf *bf, int done) {} +ath5k_debug_printtxbuf(struct ath5k_softc *sc, struct ath5k_buf *bf) {} #endif /* ifdef CONFIG_ATH5K_DEBUG */ diff --git a/drivers/net/wireless/ath5k/hw.c b/drivers/net/wireless/ath5k/hw.c index eec2b806a0de..a4e312d4226e 100644 --- a/drivers/net/wireless/ath5k/hw.c +++ b/drivers/net/wireless/ath5k/hw.c @@ -48,14 +48,18 @@ static int ath5k_hw_setup_4word_tx_desc(struct ath5k_hw *, struct ath5k_desc *, static int ath5k_hw_setup_xr_tx_desc(struct ath5k_hw *, struct ath5k_desc *, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int); -static int ath5k_hw_proc_4word_tx_status(struct ath5k_hw *, struct ath5k_desc *); +static int ath5k_hw_proc_4word_tx_status(struct ath5k_hw *, struct ath5k_desc *, + struct ath5k_tx_status *); static int ath5k_hw_setup_2word_tx_desc(struct ath5k_hw *, struct ath5k_desc *, unsigned int, unsigned int, enum ath5k_pkt_type, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int, unsigned int); -static int ath5k_hw_proc_2word_tx_status(struct ath5k_hw *, struct ath5k_desc *); -static int ath5k_hw_proc_new_rx_status(struct ath5k_hw *, struct ath5k_desc *); -static int ath5k_hw_proc_old_rx_status(struct ath5k_hw *, struct ath5k_desc *); +static int ath5k_hw_proc_2word_tx_status(struct ath5k_hw *, struct ath5k_desc *, + struct ath5k_tx_status *); +static int ath5k_hw_proc_5212_rx_status(struct ath5k_hw *, struct ath5k_desc *, + struct ath5k_rx_status *); +static int ath5k_hw_proc_5210_rx_status(struct ath5k_hw *, struct ath5k_desc *, + struct ath5k_rx_status *); static int ath5k_hw_get_capabilities(struct ath5k_hw *); static int ath5k_eeprom_init(struct ath5k_hw *); @@ -174,9 +178,9 @@ struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc, u8 mac_version) } if (ah->ah_version == AR5K_AR5212) - ah->ah_proc_rx_desc = ath5k_hw_proc_new_rx_status; + ah->ah_proc_rx_desc = ath5k_hw_proc_5212_rx_status; else if (ah->ah_version <= AR5K_AR5211) - ah->ah_proc_rx_desc = ath5k_hw_proc_old_rx_status; + ah->ah_proc_rx_desc = ath5k_hw_proc_5210_rx_status; /* Bring device out of sleep and reset it's units */ ret = ath5k_hw_nic_wakeup(ah, AR5K_INIT_MODE, true); @@ -208,7 +212,7 @@ struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc, u8 mac_version) /* Identify single chip solutions */ if((srev <= AR5K_SREV_VER_AR5414) && - (srev >= AR5K_SREV_VER_AR2424)) { + (srev >= AR5K_SREV_VER_AR2413)) { ah->ah_single_chip = true; } else { ah->ah_single_chip = false; @@ -223,10 +227,33 @@ struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc, u8 mac_version) ah->ah_radio = AR5K_RF5110; } else if (ah->ah_radio_5ghz_revision < AR5K_SREV_RAD_5112) { ah->ah_radio = AR5K_RF5111; - } else if (ah->ah_radio_5ghz_revision < AR5K_SREV_RAD_SC1) { + ah->ah_phy_spending = AR5K_PHY_SPENDING_RF5111; + } else if (ah->ah_radio_5ghz_revision < AR5K_SREV_RAD_SC0) { + ah->ah_radio = AR5K_RF5112; + + if (ah->ah_radio_5ghz_revision < AR5K_SREV_RAD_5112A) { + ah->ah_phy_spending = AR5K_PHY_SPENDING_RF5112; + } else { + ah->ah_phy_spending = AR5K_PHY_SPENDING_RF5112A; + } + + } else if (ah->ah_radio_5ghz_revision < AR5K_SREV_RAD_SC1) { + ah->ah_radio = AR5K_RF2413; + ah->ah_phy_spending = AR5K_PHY_SPENDING_RF5112A; } else { + ah->ah_radio = AR5K_RF5413; + + if (ah->ah_mac_srev <= AR5K_SREV_VER_AR5424 && + ah->ah_mac_srev >= AR5K_SREV_VER_AR2424) + ah->ah_phy_spending = AR5K_PHY_SPENDING_RF5424; + else if (ah->ah_mac_srev >= AR5K_SREV_VER_AR2425) + ah->ah_phy_spending = AR5K_PHY_SPENDING_RF5112; + else + ah->ah_phy_spending = AR5K_PHY_SPENDING_RF5112A; + + } ah->ah_phy = AR5K_PHY(0); @@ -277,7 +304,8 @@ err: */ static int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial) { - u32 turbo, mode, clock; + struct pci_dev *pdev = ah->ah_sc->pdev; + u32 turbo, mode, clock, bus_flags; int ret; turbo = 0; @@ -354,9 +382,15 @@ static int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial) AR5K_PHY_TURBO); } - /* ...reset chipset and PCI device */ - if (ah->ah_single_chip == false && ath5k_hw_nic_reset(ah, - AR5K_RESET_CTL_CHIP | AR5K_RESET_CTL_PCI)) { + /* reseting PCI on PCI-E cards results card to hang + * and always return 0xffff... so we ingore that flag + * for PCI-E cards */ + bus_flags = (pdev->is_pcie) ? 0 : AR5K_RESET_CTL_PCI; + + /* Reset chipset */ + ret = ath5k_hw_nic_reset(ah, AR5K_RESET_CTL_PCU | + AR5K_RESET_CTL_BASEBAND | bus_flags); + if (ret) { ATH5K_ERR(ah->ah_sc, "failed to reset the MAC Chip + PCI\n"); return -EIO; } @@ -565,7 +599,8 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum ieee80211_if_types op_mode, struct ieee80211_channel *channel, bool change_channel) { struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; - u32 data, s_seq, s_ant, s_led[3]; + struct pci_dev *pdev = ah->ah_sc->pdev; + u32 data, s_seq, s_ant, s_led[3], dma_size; unsigned int i, mode, freq, ee_mode, ant[2]; int ret; @@ -617,7 +652,8 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum ieee80211_if_types op_mode, if (ah->ah_version != AR5K_AR5210) { if (ah->ah_radio != AR5K_RF5111 && ah->ah_radio != AR5K_RF5112 && - ah->ah_radio != AR5K_RF5413) { + ah->ah_radio != AR5K_RF5413 && + ah->ah_radio != AR5K_RF2413) { ATH5K_ERR(ah->ah_sc, "invalid phy radio: %u\n", ah->ah_radio); return -EINVAL; @@ -692,15 +728,26 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum ieee80211_if_types op_mode, /* * Write some more initial register settings */ - if (ah->ah_version > AR5K_AR5211){ /* found on 5213+ */ + if (ah->ah_version == AR5K_AR5212) { ath5k_hw_reg_write(ah, 0x0002a002, AR5K_PHY(11)); if (channel->hw_value == CHANNEL_G) - ath5k_hw_reg_write(ah, 0x00f80d80, AR5K_PHY(83)); /* 0x00fc0ec0 */ + if (ah->ah_mac_srev < AR5K_SREV_VER_AR2413) + ath5k_hw_reg_write(ah, 0x00f80d80, + AR5K_PHY(83)); + else if (ah->ah_mac_srev < AR5K_SREV_VER_AR2424) + ath5k_hw_reg_write(ah, 0x00380140, + AR5K_PHY(83)); + else if (ah->ah_mac_srev < AR5K_SREV_VER_AR2425) + ath5k_hw_reg_write(ah, 0x00fc0ec0, + AR5K_PHY(83)); + else /* 2425 */ + ath5k_hw_reg_write(ah, 0x00fc0fc0, + AR5K_PHY(83)); else - ath5k_hw_reg_write(ah, 0x00000000, AR5K_PHY(83)); + ath5k_hw_reg_write(ah, 0x00000000, + AR5K_PHY(83)); - ath5k_hw_reg_write(ah, 0x000001b5, 0xa228); /* 0x000009b5 */ ath5k_hw_reg_write(ah, 0x000009b5, 0xa228); ath5k_hw_reg_write(ah, 0x0000000f, 0x8060); ath5k_hw_reg_write(ah, 0x00000000, 0xa254); @@ -876,13 +923,24 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum ieee80211_if_types op_mode, /* * Set Rx/Tx DMA Configuration - *(passing dma size not available on 5210) + * + * Set maximum DMA size (512) except for PCI-E cards since + * it causes rx overruns and tx errors (tested on 5424 but since + * rx overruns also occur on 5416/5418 with madwifi we set 128 + * for all PCI-E cards to be safe). + * + * In dumps this is 128 for allchips. + * + * XXX: need to check 5210 for this + * TODO: Check out tx triger level, it's always 64 on dumps but I + * guess we can tweak it and see how it goes ;-) */ + dma_size = (pdev->is_pcie) ? AR5K_DMASIZE_128B : AR5K_DMASIZE_512B; if (ah->ah_version != AR5K_AR5210) { - AR5K_REG_WRITE_BITS(ah, AR5K_TXCFG, AR5K_TXCFG_SDMAMR, - AR5K_DMASIZE_512B | AR5K_TXCFG_DMASIZE); - AR5K_REG_WRITE_BITS(ah, AR5K_RXCFG, AR5K_RXCFG_SDMAMW, - AR5K_DMASIZE_512B); + AR5K_REG_WRITE_BITS(ah, AR5K_TXCFG, + AR5K_TXCFG_SDMAMR, dma_size); + AR5K_REG_WRITE_BITS(ah, AR5K_RXCFG, + AR5K_RXCFG_SDMAMW, dma_size); } /* @@ -972,6 +1030,8 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum ieee80211_if_types op_mode, /* * Set the 32MHz reference clock on 5212 phy clock sleep register + * + * TODO: Find out how to switch to external 32Khz clock to save power */ if (ah->ah_version == AR5K_AR5212) { ath5k_hw_reg_write(ah, AR5K_PHY_SCR_32MHZ, AR5K_PHY_SCR); @@ -979,9 +1039,15 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum ieee80211_if_types op_mode, ath5k_hw_reg_write(ah, AR5K_PHY_SCAL_32MHZ, AR5K_PHY_SCAL); ath5k_hw_reg_write(ah, AR5K_PHY_SCLOCK_32MHZ, AR5K_PHY_SCLOCK); ath5k_hw_reg_write(ah, AR5K_PHY_SDELAY_32MHZ, AR5K_PHY_SDELAY); - ath5k_hw_reg_write(ah, ah->ah_radio == AR5K_RF5111 ? - AR5K_PHY_SPENDING_RF5111 : AR5K_PHY_SPENDING_RF5112, - AR5K_PHY_SPENDING); + ath5k_hw_reg_write(ah, ah->ah_phy_spending, AR5K_PHY_SPENDING); + } + + if (ah->ah_version == AR5K_AR5212) { + ath5k_hw_reg_write(ah, 0x000100aa, 0x8118); + ath5k_hw_reg_write(ah, 0x00003210, 0x811c); + ath5k_hw_reg_write(ah, 0x00000052, 0x8108); + if (ah->ah_mac_srev >= AR5K_SREV_VER_AR2413) + ath5k_hw_reg_write(ah, 0x00000004, 0x8120); } /* @@ -2228,8 +2294,8 @@ void ath5k_hw_set_associd(struct ath5k_hw *ah, const u8 *bssid, u16 assoc_id) * Set simple BSSID mask on 5212 */ if (ah->ah_version == AR5K_AR5212) { - ath5k_hw_reg_write(ah, 0xfffffff, AR5K_BSS_IDM0); - ath5k_hw_reg_write(ah, 0xfffffff, AR5K_BSS_IDM1); + ath5k_hw_reg_write(ah, 0xffffffff, AR5K_BSS_IDM0); + ath5k_hw_reg_write(ah, 0xffffffff, AR5K_BSS_IDM1); } /* @@ -2374,6 +2440,8 @@ void ath5k_hw_start_rx_pcu(struct ath5k_hw *ah) { ATH5K_TRACE(ah->ah_sc); AR5K_REG_DISABLE_BITS(ah, AR5K_DIAG_SW, AR5K_DIAG_SW_DIS_RX); + + /* TODO: ANI Support */ } /* @@ -2383,6 +2451,8 @@ void ath5k_hw_stop_pcu_recv(struct ath5k_hw *ah) { ATH5K_TRACE(ah->ah_sc); AR5K_REG_ENABLE_BITS(ah, AR5K_DIAG_SW, AR5K_DIAG_SW_DIS_RX); + + /* TODO: ANI Support */ } /* @@ -3456,10 +3526,10 @@ ath5k_hw_setup_2word_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc, unsigned int rtscts_rate, unsigned int rtscts_duration) { u32 frame_type; - struct ath5k_hw_2w_tx_desc *tx_desc; + struct ath5k_hw_2w_tx_ctl *tx_ctl; unsigned int frame_len; - tx_desc = (struct ath5k_hw_2w_tx_desc *)&desc->ds_ctl0; + tx_ctl = &desc->ud.ds_tx5210.tx_ctl; /* * Validate input @@ -3478,12 +3548,8 @@ ath5k_hw_setup_2word_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc, return -EINVAL; } - /* Clear status descriptor */ - memset(desc->ds_hw, 0, sizeof(struct ath5k_hw_tx_status)); - - /* Initialize control descriptor */ - tx_desc->tx_control_0 = 0; - tx_desc->tx_control_1 = 0; + /* Clear descriptor */ + memset(&desc->ud.ds_tx5210, 0, sizeof(struct ath5k_hw_5210_tx_desc)); /* Setup control descriptor */ @@ -3495,7 +3561,7 @@ ath5k_hw_setup_2word_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc, if (frame_len & ~AR5K_2W_TX_DESC_CTL0_FRAME_LEN) return -EINVAL; - tx_desc->tx_control_0 = frame_len & AR5K_2W_TX_DESC_CTL0_FRAME_LEN; + tx_ctl->tx_control_0 = frame_len & AR5K_2W_TX_DESC_CTL0_FRAME_LEN; /* Verify and set buffer length */ @@ -3506,7 +3572,7 @@ ath5k_hw_setup_2word_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc, if (pkt_len & ~AR5K_2W_TX_DESC_CTL1_BUF_LEN) return -EINVAL; - tx_desc->tx_control_1 = pkt_len & AR5K_2W_TX_DESC_CTL1_BUF_LEN; + tx_ctl->tx_control_1 = pkt_len & AR5K_2W_TX_DESC_CTL1_BUF_LEN; /* * Verify and set header length @@ -3515,7 +3581,7 @@ ath5k_hw_setup_2word_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc, if (ah->ah_version == AR5K_AR5210) { if (hdr_len & ~AR5K_2W_TX_DESC_CTL0_HEADER_LEN) return -EINVAL; - tx_desc->tx_control_0 |= + tx_ctl->tx_control_0 |= AR5K_REG_SM(hdr_len, AR5K_2W_TX_DESC_CTL0_HEADER_LEN); } @@ -3531,19 +3597,19 @@ ath5k_hw_setup_2word_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc, frame_type = type /*<< 2 ?*/; } - tx_desc->tx_control_0 |= + tx_ctl->tx_control_0 |= AR5K_REG_SM(frame_type, AR5K_2W_TX_DESC_CTL0_FRAME_TYPE) | AR5K_REG_SM(tx_rate0, AR5K_2W_TX_DESC_CTL0_XMIT_RATE); } else { - tx_desc->tx_control_0 |= + tx_ctl->tx_control_0 |= AR5K_REG_SM(tx_rate0, AR5K_2W_TX_DESC_CTL0_XMIT_RATE) | AR5K_REG_SM(antenna_mode, AR5K_2W_TX_DESC_CTL0_ANT_MODE_XMIT); - tx_desc->tx_control_1 |= + tx_ctl->tx_control_1 |= AR5K_REG_SM(type, AR5K_2W_TX_DESC_CTL1_FRAME_TYPE); } #define _TX_FLAGS(_c, _flag) \ if (flags & AR5K_TXDESC_##_flag) \ - tx_desc->tx_control_##_c |= \ + tx_ctl->tx_control_##_c |= \ AR5K_2W_TX_DESC_CTL##_c##_##_flag _TX_FLAGS(0, CLRDMASK); @@ -3558,9 +3624,9 @@ ath5k_hw_setup_2word_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc, * WEP crap */ if (key_index != AR5K_TXKEYIX_INVALID) { - tx_desc->tx_control_0 |= + tx_ctl->tx_control_0 |= AR5K_2W_TX_DESC_CTL0_ENCRYPT_KEY_VALID; - tx_desc->tx_control_1 |= + tx_ctl->tx_control_1 |= AR5K_REG_SM(key_index, AR5K_2W_TX_DESC_CTL1_ENCRYPT_KEY_INDEX); } @@ -3570,7 +3636,7 @@ ath5k_hw_setup_2word_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc, */ if ((ah->ah_version == AR5K_AR5210) && (flags & (AR5K_TXDESC_RTSENA | AR5K_TXDESC_CTSENA))) - tx_desc->tx_control_1 |= rtscts_duration & + tx_ctl->tx_control_1 |= rtscts_duration & AR5K_2W_TX_DESC_CTL1_RTS_DURATION; return 0; @@ -3586,13 +3652,11 @@ static int ath5k_hw_setup_4word_tx_desc(struct ath5k_hw *ah, unsigned int antenna_mode, unsigned int flags, unsigned int rtscts_rate, unsigned int rtscts_duration) { - struct ath5k_hw_4w_tx_desc *tx_desc; - struct ath5k_hw_tx_status *tx_status; + struct ath5k_hw_4w_tx_ctl *tx_ctl; unsigned int frame_len; ATH5K_TRACE(ah->ah_sc); - tx_desc = (struct ath5k_hw_4w_tx_desc *)&desc->ds_ctl0; - tx_status = (struct ath5k_hw_tx_status *)&desc->ds_hw[2]; + tx_ctl = &desc->ud.ds_tx5212.tx_ctl; /* * Validate input @@ -3611,14 +3675,8 @@ static int ath5k_hw_setup_4word_tx_desc(struct ath5k_hw *ah, return -EINVAL; } - /* Clear status descriptor */ - memset(tx_status, 0, sizeof(struct ath5k_hw_tx_status)); - - /* Initialize control descriptor */ - tx_desc->tx_control_0 = 0; - tx_desc->tx_control_1 = 0; - tx_desc->tx_control_2 = 0; - tx_desc->tx_control_3 = 0; + /* Clear descriptor */ + memset(&desc->ud.ds_tx5212, 0, sizeof(struct ath5k_hw_5212_tx_desc)); /* Setup control descriptor */ @@ -3630,7 +3688,7 @@ static int ath5k_hw_setup_4word_tx_desc(struct ath5k_hw *ah, if (frame_len & ~AR5K_4W_TX_DESC_CTL0_FRAME_LEN) return -EINVAL; - tx_desc->tx_control_0 = frame_len & AR5K_4W_TX_DESC_CTL0_FRAME_LEN; + tx_ctl->tx_control_0 = frame_len & AR5K_4W_TX_DESC_CTL0_FRAME_LEN; /* Verify and set buffer length */ @@ -3641,20 +3699,20 @@ static int ath5k_hw_setup_4word_tx_desc(struct ath5k_hw *ah, if (pkt_len & ~AR5K_4W_TX_DESC_CTL1_BUF_LEN) return -EINVAL; - tx_desc->tx_control_1 = pkt_len & AR5K_4W_TX_DESC_CTL1_BUF_LEN; + tx_ctl->tx_control_1 = pkt_len & AR5K_4W_TX_DESC_CTL1_BUF_LEN; - tx_desc->tx_control_0 |= + tx_ctl->tx_control_0 |= AR5K_REG_SM(tx_power, AR5K_4W_TX_DESC_CTL0_XMIT_POWER) | AR5K_REG_SM(antenna_mode, AR5K_4W_TX_DESC_CTL0_ANT_MODE_XMIT); - tx_desc->tx_control_1 |= AR5K_REG_SM(type, + tx_ctl->tx_control_1 |= AR5K_REG_SM(type, AR5K_4W_TX_DESC_CTL1_FRAME_TYPE); - tx_desc->tx_control_2 = AR5K_REG_SM(tx_tries0 + AR5K_TUNE_HWTXTRIES, + tx_ctl->tx_control_2 = AR5K_REG_SM(tx_tries0 + AR5K_TUNE_HWTXTRIES, AR5K_4W_TX_DESC_CTL2_XMIT_TRIES0); - tx_desc->tx_control_3 = tx_rate0 & AR5K_4W_TX_DESC_CTL3_XMIT_RATE0; + tx_ctl->tx_control_3 = tx_rate0 & AR5K_4W_TX_DESC_CTL3_XMIT_RATE0; #define _TX_FLAGS(_c, _flag) \ if (flags & AR5K_TXDESC_##_flag) \ - tx_desc->tx_control_##_c |= \ + tx_ctl->tx_control_##_c |= \ AR5K_4W_TX_DESC_CTL##_c##_##_flag _TX_FLAGS(0, CLRDMASK); @@ -3670,8 +3728,8 @@ static int ath5k_hw_setup_4word_tx_desc(struct ath5k_hw *ah, * WEP crap */ if (key_index != AR5K_TXKEYIX_INVALID) { - tx_desc->tx_control_0 |= AR5K_4W_TX_DESC_CTL0_ENCRYPT_KEY_VALID; - tx_desc->tx_control_1 |= AR5K_REG_SM(key_index, + tx_ctl->tx_control_0 |= AR5K_4W_TX_DESC_CTL0_ENCRYPT_KEY_VALID; + tx_ctl->tx_control_1 |= AR5K_REG_SM(key_index, AR5K_4W_TX_DESC_CTL1_ENCRYPT_KEY_INDEX); } @@ -3682,9 +3740,9 @@ static int ath5k_hw_setup_4word_tx_desc(struct ath5k_hw *ah, if ((flags & AR5K_TXDESC_RTSENA) && (flags & AR5K_TXDESC_CTSENA)) return -EINVAL; - tx_desc->tx_control_2 |= rtscts_duration & + tx_ctl->tx_control_2 |= rtscts_duration & AR5K_4W_TX_DESC_CTL2_RTS_DURATION; - tx_desc->tx_control_3 |= AR5K_REG_SM(rtscts_rate, + tx_ctl->tx_control_3 |= AR5K_REG_SM(rtscts_rate, AR5K_4W_TX_DESC_CTL3_RTS_CTS_RATE); } @@ -3699,7 +3757,7 @@ ath5k_hw_setup_xr_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc, unsigned int tx_rate1, u_int tx_tries1, u_int tx_rate2, u_int tx_tries2, unsigned int tx_rate3, u_int tx_tries3) { - struct ath5k_hw_4w_tx_desc *tx_desc; + struct ath5k_hw_4w_tx_ctl *tx_ctl; /* * Rates can be 0 as long as the retry count is 0 too. @@ -3716,14 +3774,14 @@ ath5k_hw_setup_xr_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc, } if (ah->ah_version == AR5K_AR5212) { - tx_desc = (struct ath5k_hw_4w_tx_desc *)&desc->ds_ctl0; + tx_ctl = &desc->ud.ds_tx5212.tx_ctl; #define _XTX_TRIES(_n) \ if (tx_tries##_n) { \ - tx_desc->tx_control_2 |= \ + tx_ctl->tx_control_2 |= \ AR5K_REG_SM(tx_tries##_n, \ AR5K_4W_TX_DESC_CTL2_XMIT_TRIES##_n); \ - tx_desc->tx_control_3 |= \ + tx_ctl->tx_control_3 |= \ AR5K_REG_SM(tx_rate##_n, \ AR5K_4W_TX_DESC_CTL3_XMIT_RATE##_n); \ } @@ -3744,13 +3802,15 @@ ath5k_hw_setup_xr_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc, * Proccess the tx status descriptor on 5210/5211 */ static int ath5k_hw_proc_2word_tx_status(struct ath5k_hw *ah, - struct ath5k_desc *desc) + struct ath5k_desc *desc, struct ath5k_tx_status *ts) { + struct ath5k_hw_2w_tx_ctl *tx_ctl; struct ath5k_hw_tx_status *tx_status; - struct ath5k_hw_2w_tx_desc *tx_desc; - tx_desc = (struct ath5k_hw_2w_tx_desc *)&desc->ds_ctl0; - tx_status = (struct ath5k_hw_tx_status *)&desc->ds_hw[0]; + ATH5K_TRACE(ah->ah_sc); + + tx_ctl = &desc->ud.ds_tx5210.tx_ctl; + tx_status = &desc->ud.ds_tx5210.tx_stat; /* No frame has been send or error */ if (unlikely((tx_status->tx_status_1 & AR5K_DESC_TX_STATUS1_DONE) == 0)) @@ -3759,32 +3819,32 @@ static int ath5k_hw_proc_2word_tx_status(struct ath5k_hw *ah, /* * Get descriptor status */ - desc->ds_us.tx.ts_tstamp = AR5K_REG_MS(tx_status->tx_status_0, + ts->ts_tstamp = AR5K_REG_MS(tx_status->tx_status_0, AR5K_DESC_TX_STATUS0_SEND_TIMESTAMP); - desc->ds_us.tx.ts_shortretry = AR5K_REG_MS(tx_status->tx_status_0, + ts->ts_shortretry = AR5K_REG_MS(tx_status->tx_status_0, AR5K_DESC_TX_STATUS0_SHORT_RETRY_COUNT); - desc->ds_us.tx.ts_longretry = AR5K_REG_MS(tx_status->tx_status_0, + ts->ts_longretry = AR5K_REG_MS(tx_status->tx_status_0, AR5K_DESC_TX_STATUS0_LONG_RETRY_COUNT); - /*TODO: desc->ds_us.tx.ts_virtcol + test*/ - desc->ds_us.tx.ts_seqnum = AR5K_REG_MS(tx_status->tx_status_1, + /*TODO: ts->ts_virtcol + test*/ + ts->ts_seqnum = AR5K_REG_MS(tx_status->tx_status_1, AR5K_DESC_TX_STATUS1_SEQ_NUM); - desc->ds_us.tx.ts_rssi = AR5K_REG_MS(tx_status->tx_status_1, + ts->ts_rssi = AR5K_REG_MS(tx_status->tx_status_1, AR5K_DESC_TX_STATUS1_ACK_SIG_STRENGTH); - desc->ds_us.tx.ts_antenna = 1; - desc->ds_us.tx.ts_status = 0; - desc->ds_us.tx.ts_rate = AR5K_REG_MS(tx_desc->tx_control_0, + ts->ts_antenna = 1; + ts->ts_status = 0; + ts->ts_rate = AR5K_REG_MS(tx_ctl->tx_control_0, AR5K_2W_TX_DESC_CTL0_XMIT_RATE); if ((tx_status->tx_status_0 & AR5K_DESC_TX_STATUS0_FRAME_XMIT_OK) == 0){ if (tx_status->tx_status_0 & AR5K_DESC_TX_STATUS0_EXCESSIVE_RETRIES) - desc->ds_us.tx.ts_status |= AR5K_TXERR_XRETRY; + ts->ts_status |= AR5K_TXERR_XRETRY; if (tx_status->tx_status_0 & AR5K_DESC_TX_STATUS0_FIFO_UNDERRUN) - desc->ds_us.tx.ts_status |= AR5K_TXERR_FIFO; + ts->ts_status |= AR5K_TXERR_FIFO; if (tx_status->tx_status_0 & AR5K_DESC_TX_STATUS0_FILTERED) - desc->ds_us.tx.ts_status |= AR5K_TXERR_FILT; + ts->ts_status |= AR5K_TXERR_FILT; } return 0; @@ -3794,14 +3854,15 @@ static int ath5k_hw_proc_2word_tx_status(struct ath5k_hw *ah, * Proccess a tx descriptor on 5212 */ static int ath5k_hw_proc_4word_tx_status(struct ath5k_hw *ah, - struct ath5k_desc *desc) + struct ath5k_desc *desc, struct ath5k_tx_status *ts) { + struct ath5k_hw_4w_tx_ctl *tx_ctl; struct ath5k_hw_tx_status *tx_status; - struct ath5k_hw_4w_tx_desc *tx_desc; ATH5K_TRACE(ah->ah_sc); - tx_desc = (struct ath5k_hw_4w_tx_desc *)&desc->ds_ctl0; - tx_status = (struct ath5k_hw_tx_status *)&desc->ds_hw[2]; + + tx_ctl = &desc->ud.ds_tx5212.tx_ctl; + tx_status = &desc->ud.ds_tx5212.tx_stat; /* No frame has been send or error */ if (unlikely((tx_status->tx_status_1 & AR5K_DESC_TX_STATUS1_DONE) == 0)) @@ -3810,42 +3871,42 @@ static int ath5k_hw_proc_4word_tx_status(struct ath5k_hw *ah, /* * Get descriptor status */ - desc->ds_us.tx.ts_tstamp = AR5K_REG_MS(tx_status->tx_status_0, + ts->ts_tstamp = AR5K_REG_MS(tx_status->tx_status_0, AR5K_DESC_TX_STATUS0_SEND_TIMESTAMP); - desc->ds_us.tx.ts_shortretry = AR5K_REG_MS(tx_status->tx_status_0, + ts->ts_shortretry = AR5K_REG_MS(tx_status->tx_status_0, AR5K_DESC_TX_STATUS0_SHORT_RETRY_COUNT); - desc->ds_us.tx.ts_longretry = AR5K_REG_MS(tx_status->tx_status_0, + ts->ts_longretry = AR5K_REG_MS(tx_status->tx_status_0, AR5K_DESC_TX_STATUS0_LONG_RETRY_COUNT); - desc->ds_us.tx.ts_seqnum = AR5K_REG_MS(tx_status->tx_status_1, + ts->ts_seqnum = AR5K_REG_MS(tx_status->tx_status_1, AR5K_DESC_TX_STATUS1_SEQ_NUM); - desc->ds_us.tx.ts_rssi = AR5K_REG_MS(tx_status->tx_status_1, + ts->ts_rssi = AR5K_REG_MS(tx_status->tx_status_1, AR5K_DESC_TX_STATUS1_ACK_SIG_STRENGTH); - desc->ds_us.tx.ts_antenna = (tx_status->tx_status_1 & + ts->ts_antenna = (tx_status->tx_status_1 & AR5K_DESC_TX_STATUS1_XMIT_ANTENNA) ? 2 : 1; - desc->ds_us.tx.ts_status = 0; + ts->ts_status = 0; switch (AR5K_REG_MS(tx_status->tx_status_1, AR5K_DESC_TX_STATUS1_FINAL_TS_INDEX)) { case 0: - desc->ds_us.tx.ts_rate = tx_desc->tx_control_3 & + ts->ts_rate = tx_ctl->tx_control_3 & AR5K_4W_TX_DESC_CTL3_XMIT_RATE0; break; case 1: - desc->ds_us.tx.ts_rate = AR5K_REG_MS(tx_desc->tx_control_3, + ts->ts_rate = AR5K_REG_MS(tx_ctl->tx_control_3, AR5K_4W_TX_DESC_CTL3_XMIT_RATE1); - desc->ds_us.tx.ts_longretry +=AR5K_REG_MS(tx_desc->tx_control_2, + ts->ts_longretry += AR5K_REG_MS(tx_ctl->tx_control_2, AR5K_4W_TX_DESC_CTL2_XMIT_TRIES1); break; case 2: - desc->ds_us.tx.ts_rate = AR5K_REG_MS(tx_desc->tx_control_3, + ts->ts_rate = AR5K_REG_MS(tx_ctl->tx_control_3, AR5K_4W_TX_DESC_CTL3_XMIT_RATE2); - desc->ds_us.tx.ts_longretry +=AR5K_REG_MS(tx_desc->tx_control_2, + ts->ts_longretry += AR5K_REG_MS(tx_ctl->tx_control_2, AR5K_4W_TX_DESC_CTL2_XMIT_TRIES2); break; case 3: - desc->ds_us.tx.ts_rate = AR5K_REG_MS(tx_desc->tx_control_3, + ts->ts_rate = AR5K_REG_MS(tx_ctl->tx_control_3, AR5K_4W_TX_DESC_CTL3_XMIT_RATE3); - desc->ds_us.tx.ts_longretry +=AR5K_REG_MS(tx_desc->tx_control_2, + ts->ts_longretry += AR5K_REG_MS(tx_ctl->tx_control_2, AR5K_4W_TX_DESC_CTL2_XMIT_TRIES3); break; } @@ -3853,13 +3914,13 @@ static int ath5k_hw_proc_4word_tx_status(struct ath5k_hw *ah, if ((tx_status->tx_status_0 & AR5K_DESC_TX_STATUS0_FRAME_XMIT_OK) == 0){ if (tx_status->tx_status_0 & AR5K_DESC_TX_STATUS0_EXCESSIVE_RETRIES) - desc->ds_us.tx.ts_status |= AR5K_TXERR_XRETRY; + ts->ts_status |= AR5K_TXERR_XRETRY; if (tx_status->tx_status_0 & AR5K_DESC_TX_STATUS0_FIFO_UNDERRUN) - desc->ds_us.tx.ts_status |= AR5K_TXERR_FIFO; + ts->ts_status |= AR5K_TXERR_FIFO; if (tx_status->tx_status_0 & AR5K_DESC_TX_STATUS0_FILTERED) - desc->ds_us.tx.ts_status |= AR5K_TXERR_FILT; + ts->ts_status |= AR5K_TXERR_FILT; } return 0; @@ -3875,31 +3936,27 @@ static int ath5k_hw_proc_4word_tx_status(struct ath5k_hw *ah, int ath5k_hw_setup_rx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc, u32 size, unsigned int flags) { - struct ath5k_rx_desc *rx_desc; + struct ath5k_hw_rx_ctl *rx_ctl; ATH5K_TRACE(ah->ah_sc); - rx_desc = (struct ath5k_rx_desc *)&desc->ds_ctl0; + rx_ctl = &desc->ud.ds_rx.rx_ctl; /* - *Clear ds_hw + * Clear the descriptor * If we don't clean the status descriptor, * while scanning we get too many results, * most of them virtual, after some secs * of scanning system hangs. M.F. */ - memset(desc->ds_hw, 0, sizeof(desc->ds_hw)); - - /*Initialize rx descriptor*/ - rx_desc->rx_control_0 = 0; - rx_desc->rx_control_1 = 0; + memset(&desc->ud.ds_rx, 0, sizeof(struct ath5k_hw_all_rx_desc)); /* Setup descriptor */ - rx_desc->rx_control_1 = size & AR5K_DESC_RX_CTL1_BUF_LEN; - if (unlikely(rx_desc->rx_control_1 != size)) + rx_ctl->rx_control_1 = size & AR5K_DESC_RX_CTL1_BUF_LEN; + if (unlikely(rx_ctl->rx_control_1 != size)) return -EINVAL; if (flags & AR5K_RXDESC_INTREQ) - rx_desc->rx_control_1 |= AR5K_DESC_RX_CTL1_INTREQ; + rx_ctl->rx_control_1 |= AR5K_DESC_RX_CTL1_INTREQ; return 0; } @@ -3907,67 +3964,68 @@ int ath5k_hw_setup_rx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc, /* * Proccess the rx status descriptor on 5210/5211 */ -static int ath5k_hw_proc_old_rx_status(struct ath5k_hw *ah, - struct ath5k_desc *desc) +static int ath5k_hw_proc_5210_rx_status(struct ath5k_hw *ah, + struct ath5k_desc *desc, struct ath5k_rx_status *rs) { - struct ath5k_hw_old_rx_status *rx_status; + struct ath5k_hw_rx_status *rx_status; - rx_status = (struct ath5k_hw_old_rx_status *)&desc->ds_hw[0]; + rx_status = &desc->ud.ds_rx.u.rx_stat; /* No frame received / not ready */ - if (unlikely((rx_status->rx_status_1 & AR5K_OLD_RX_DESC_STATUS1_DONE) + if (unlikely((rx_status->rx_status_1 & AR5K_5210_RX_DESC_STATUS1_DONE) == 0)) return -EINPROGRESS; /* * Frame receive status */ - desc->ds_us.rx.rs_datalen = rx_status->rx_status_0 & - AR5K_OLD_RX_DESC_STATUS0_DATA_LEN; - desc->ds_us.rx.rs_rssi = AR5K_REG_MS(rx_status->rx_status_0, - AR5K_OLD_RX_DESC_STATUS0_RECEIVE_SIGNAL); - desc->ds_us.rx.rs_rate = AR5K_REG_MS(rx_status->rx_status_0, - AR5K_OLD_RX_DESC_STATUS0_RECEIVE_RATE); - desc->ds_us.rx.rs_antenna = rx_status->rx_status_0 & - AR5K_OLD_RX_DESC_STATUS0_RECEIVE_ANTENNA; - desc->ds_us.rx.rs_more = rx_status->rx_status_0 & - AR5K_OLD_RX_DESC_STATUS0_MORE; - desc->ds_us.rx.rs_tstamp = AR5K_REG_MS(rx_status->rx_status_1, - AR5K_OLD_RX_DESC_STATUS1_RECEIVE_TIMESTAMP); - desc->ds_us.rx.rs_status = 0; + rs->rs_datalen = rx_status->rx_status_0 & + AR5K_5210_RX_DESC_STATUS0_DATA_LEN; + rs->rs_rssi = AR5K_REG_MS(rx_status->rx_status_0, + AR5K_5210_RX_DESC_STATUS0_RECEIVE_SIGNAL); + rs->rs_rate = AR5K_REG_MS(rx_status->rx_status_0, + AR5K_5210_RX_DESC_STATUS0_RECEIVE_RATE); + rs->rs_antenna = rx_status->rx_status_0 & + AR5K_5210_RX_DESC_STATUS0_RECEIVE_ANTENNA; + rs->rs_more = rx_status->rx_status_0 & + AR5K_5210_RX_DESC_STATUS0_MORE; + /* TODO: this timestamp is 13 bit, later on we assume 15 bit */ + rs->rs_tstamp = AR5K_REG_MS(rx_status->rx_status_1, + AR5K_5210_RX_DESC_STATUS1_RECEIVE_TIMESTAMP); + rs->rs_status = 0; /* * Key table status */ - if (rx_status->rx_status_1 & AR5K_OLD_RX_DESC_STATUS1_KEY_INDEX_VALID) - desc->ds_us.rx.rs_keyix = AR5K_REG_MS(rx_status->rx_status_1, - AR5K_OLD_RX_DESC_STATUS1_KEY_INDEX); + if (rx_status->rx_status_1 & AR5K_5210_RX_DESC_STATUS1_KEY_INDEX_VALID) + rs->rs_keyix = AR5K_REG_MS(rx_status->rx_status_1, + AR5K_5210_RX_DESC_STATUS1_KEY_INDEX); else - desc->ds_us.rx.rs_keyix = AR5K_RXKEYIX_INVALID; + rs->rs_keyix = AR5K_RXKEYIX_INVALID; /* * Receive/descriptor errors */ - if ((rx_status->rx_status_1 & AR5K_OLD_RX_DESC_STATUS1_FRAME_RECEIVE_OK) - == 0) { - if (rx_status->rx_status_1 & AR5K_OLD_RX_DESC_STATUS1_CRC_ERROR) - desc->ds_us.rx.rs_status |= AR5K_RXERR_CRC; + if ((rx_status->rx_status_1 & + AR5K_5210_RX_DESC_STATUS1_FRAME_RECEIVE_OK) == 0) { + if (rx_status->rx_status_1 & + AR5K_5210_RX_DESC_STATUS1_CRC_ERROR) + rs->rs_status |= AR5K_RXERR_CRC; if (rx_status->rx_status_1 & - AR5K_OLD_RX_DESC_STATUS1_FIFO_OVERRUN) - desc->ds_us.rx.rs_status |= AR5K_RXERR_FIFO; + AR5K_5210_RX_DESC_STATUS1_FIFO_OVERRUN) + rs->rs_status |= AR5K_RXERR_FIFO; if (rx_status->rx_status_1 & - AR5K_OLD_RX_DESC_STATUS1_PHY_ERROR) { - desc->ds_us.rx.rs_status |= AR5K_RXERR_PHY; - desc->ds_us.rx.rs_phyerr = - AR5K_REG_MS(rx_status->rx_status_1, - AR5K_OLD_RX_DESC_STATUS1_PHY_ERROR); + AR5K_5210_RX_DESC_STATUS1_PHY_ERROR) { + rs->rs_status |= AR5K_RXERR_PHY; + rs->rs_phyerr = AR5K_REG_MS(rx_status->rx_status_1, + AR5K_5210_RX_DESC_STATUS1_PHY_ERROR); } if (rx_status->rx_status_1 & - AR5K_OLD_RX_DESC_STATUS1_DECRYPT_CRC_ERROR) - desc->ds_us.rx.rs_status |= AR5K_RXERR_DECRYPT; + AR5K_5210_RX_DESC_STATUS1_DECRYPT_CRC_ERROR) + rs->rs_status |= AR5K_RXERR_DECRYPT; } return 0; @@ -3976,71 +4034,72 @@ static int ath5k_hw_proc_old_rx_status(struct ath5k_hw *ah, /* * Proccess the rx status descriptor on 5212 */ -static int ath5k_hw_proc_new_rx_status(struct ath5k_hw *ah, - struct ath5k_desc *desc) +static int ath5k_hw_proc_5212_rx_status(struct ath5k_hw *ah, + struct ath5k_desc *desc, struct ath5k_rx_status *rs) { - struct ath5k_hw_new_rx_status *rx_status; + struct ath5k_hw_rx_status *rx_status; struct ath5k_hw_rx_error *rx_err; ATH5K_TRACE(ah->ah_sc); - rx_status = (struct ath5k_hw_new_rx_status *)&desc->ds_hw[0]; + rx_status = &desc->ud.ds_rx.u.rx_stat; /* Overlay on error */ - rx_err = (struct ath5k_hw_rx_error *)&desc->ds_hw[0]; + rx_err = &desc->ud.ds_rx.u.rx_err; /* No frame received / not ready */ - if (unlikely((rx_status->rx_status_1 & AR5K_NEW_RX_DESC_STATUS1_DONE) + if (unlikely((rx_status->rx_status_1 & AR5K_5212_RX_DESC_STATUS1_DONE) == 0)) return -EINPROGRESS; /* * Frame receive status */ - desc->ds_us.rx.rs_datalen = rx_status->rx_status_0 & - AR5K_NEW_RX_DESC_STATUS0_DATA_LEN; - desc->ds_us.rx.rs_rssi = AR5K_REG_MS(rx_status->rx_status_0, - AR5K_NEW_RX_DESC_STATUS0_RECEIVE_SIGNAL); - desc->ds_us.rx.rs_rate = AR5K_REG_MS(rx_status->rx_status_0, - AR5K_NEW_RX_DESC_STATUS0_RECEIVE_RATE); - desc->ds_us.rx.rs_antenna = rx_status->rx_status_0 & - AR5K_NEW_RX_DESC_STATUS0_RECEIVE_ANTENNA; - desc->ds_us.rx.rs_more = rx_status->rx_status_0 & - AR5K_NEW_RX_DESC_STATUS0_MORE; - desc->ds_us.rx.rs_tstamp = AR5K_REG_MS(rx_status->rx_status_1, - AR5K_NEW_RX_DESC_STATUS1_RECEIVE_TIMESTAMP); - desc->ds_us.rx.rs_status = 0; + rs->rs_datalen = rx_status->rx_status_0 & + AR5K_5212_RX_DESC_STATUS0_DATA_LEN; + rs->rs_rssi = AR5K_REG_MS(rx_status->rx_status_0, + AR5K_5212_RX_DESC_STATUS0_RECEIVE_SIGNAL); + rs->rs_rate = AR5K_REG_MS(rx_status->rx_status_0, + AR5K_5212_RX_DESC_STATUS0_RECEIVE_RATE); + rs->rs_antenna = rx_status->rx_status_0 & + AR5K_5212_RX_DESC_STATUS0_RECEIVE_ANTENNA; + rs->rs_more = rx_status->rx_status_0 & + AR5K_5212_RX_DESC_STATUS0_MORE; + rs->rs_tstamp = AR5K_REG_MS(rx_status->rx_status_1, + AR5K_5212_RX_DESC_STATUS1_RECEIVE_TIMESTAMP); + rs->rs_status = 0; /* * Key table status */ - if (rx_status->rx_status_1 & AR5K_NEW_RX_DESC_STATUS1_KEY_INDEX_VALID) - desc->ds_us.rx.rs_keyix = AR5K_REG_MS(rx_status->rx_status_1, - AR5K_NEW_RX_DESC_STATUS1_KEY_INDEX); + if (rx_status->rx_status_1 & AR5K_5212_RX_DESC_STATUS1_KEY_INDEX_VALID) + rs->rs_keyix = AR5K_REG_MS(rx_status->rx_status_1, + AR5K_5212_RX_DESC_STATUS1_KEY_INDEX); else - desc->ds_us.rx.rs_keyix = AR5K_RXKEYIX_INVALID; + rs->rs_keyix = AR5K_RXKEYIX_INVALID; /* * Receive/descriptor errors */ if ((rx_status->rx_status_1 & - AR5K_NEW_RX_DESC_STATUS1_FRAME_RECEIVE_OK) == 0) { - if (rx_status->rx_status_1 & AR5K_NEW_RX_DESC_STATUS1_CRC_ERROR) - desc->ds_us.rx.rs_status |= AR5K_RXERR_CRC; + AR5K_5212_RX_DESC_STATUS1_FRAME_RECEIVE_OK) == 0) { + if (rx_status->rx_status_1 & + AR5K_5212_RX_DESC_STATUS1_CRC_ERROR) + rs->rs_status |= AR5K_RXERR_CRC; if (rx_status->rx_status_1 & - AR5K_NEW_RX_DESC_STATUS1_PHY_ERROR) { - desc->ds_us.rx.rs_status |= AR5K_RXERR_PHY; - desc->ds_us.rx.rs_phyerr = - AR5K_REG_MS(rx_err->rx_error_1, - AR5K_RX_DESC_ERROR1_PHY_ERROR_CODE); + AR5K_5212_RX_DESC_STATUS1_PHY_ERROR) { + rs->rs_status |= AR5K_RXERR_PHY; + rs->rs_phyerr = AR5K_REG_MS(rx_err->rx_error_1, + AR5K_RX_DESC_ERROR1_PHY_ERROR_CODE); } if (rx_status->rx_status_1 & - AR5K_NEW_RX_DESC_STATUS1_DECRYPT_CRC_ERROR) - desc->ds_us.rx.rs_status |= AR5K_RXERR_DECRYPT; + AR5K_5212_RX_DESC_STATUS1_DECRYPT_CRC_ERROR) + rs->rs_status |= AR5K_RXERR_DECRYPT; - if (rx_status->rx_status_1 & AR5K_NEW_RX_DESC_STATUS1_MIC_ERROR) - desc->ds_us.rx.rs_status |= AR5K_RXERR_MIC; + if (rx_status->rx_status_1 & + AR5K_5212_RX_DESC_STATUS1_MIC_ERROR) + rs->rs_status |= AR5K_RXERR_MIC; } return 0; diff --git a/drivers/net/wireless/ath5k/hw.h b/drivers/net/wireless/ath5k/hw.h index d9a7c0973f53..64fca8dcb386 100644 --- a/drivers/net/wireless/ath5k/hw.h +++ b/drivers/net/wireless/ath5k/hw.h @@ -173,7 +173,10 @@ struct ath5k_eeprom_info { * (rX: reserved fields possibily used by future versions of the ar5k chipset) */ -struct ath5k_rx_desc { +/* + * common hardware RX control descriptor + */ +struct ath5k_hw_rx_ctl { u32 rx_control_0; /* RX control word 0 */ #define AR5K_DESC_RX_CTL0 0x00000000 @@ -185,69 +188,63 @@ struct ath5k_rx_desc { } __packed; /* - * 5210/5211 rx status descriptor + * common hardware RX status descriptor + * 5210/11 and 5212 differ only in the flags defined below */ -struct ath5k_hw_old_rx_status { +struct ath5k_hw_rx_status { u32 rx_status_0; /* RX status word 0 */ - -#define AR5K_OLD_RX_DESC_STATUS0_DATA_LEN 0x00000fff -#define AR5K_OLD_RX_DESC_STATUS0_MORE 0x00001000 -#define AR5K_OLD_RX_DESC_STATUS0_RECEIVE_RATE 0x00078000 -#define AR5K_OLD_RX_DESC_STATUS0_RECEIVE_RATE_S 15 -#define AR5K_OLD_RX_DESC_STATUS0_RECEIVE_SIGNAL 0x07f80000 -#define AR5K_OLD_RX_DESC_STATUS0_RECEIVE_SIGNAL_S 19 -#define AR5K_OLD_RX_DESC_STATUS0_RECEIVE_ANTENNA 0x38000000 -#define AR5K_OLD_RX_DESC_STATUS0_RECEIVE_ANTENNA_S 27 - u32 rx_status_1; /* RX status word 1 */ - -#define AR5K_OLD_RX_DESC_STATUS1_DONE 0x00000001 -#define AR5K_OLD_RX_DESC_STATUS1_FRAME_RECEIVE_OK 0x00000002 -#define AR5K_OLD_RX_DESC_STATUS1_CRC_ERROR 0x00000004 -#define AR5K_OLD_RX_DESC_STATUS1_FIFO_OVERRUN 0x00000008 -#define AR5K_OLD_RX_DESC_STATUS1_DECRYPT_CRC_ERROR 0x00000010 -#define AR5K_OLD_RX_DESC_STATUS1_PHY_ERROR 0x000000e0 -#define AR5K_OLD_RX_DESC_STATUS1_PHY_ERROR_S 5 -#define AR5K_OLD_RX_DESC_STATUS1_KEY_INDEX_VALID 0x00000100 -#define AR5K_OLD_RX_DESC_STATUS1_KEY_INDEX 0x00007e00 -#define AR5K_OLD_RX_DESC_STATUS1_KEY_INDEX_S 9 -#define AR5K_OLD_RX_DESC_STATUS1_RECEIVE_TIMESTAMP 0x0fff8000 -#define AR5K_OLD_RX_DESC_STATUS1_RECEIVE_TIMESTAMP_S 15 -#define AR5K_OLD_RX_DESC_STATUS1_KEY_CACHE_MISS 0x10000000 } __packed; +/* 5210/5211 */ +#define AR5K_5210_RX_DESC_STATUS0_DATA_LEN 0x00000fff +#define AR5K_5210_RX_DESC_STATUS0_MORE 0x00001000 +#define AR5K_5210_RX_DESC_STATUS0_RECEIVE_RATE 0x00078000 +#define AR5K_5210_RX_DESC_STATUS0_RECEIVE_RATE_S 15 +#define AR5K_5210_RX_DESC_STATUS0_RECEIVE_SIGNAL 0x07f80000 +#define AR5K_5210_RX_DESC_STATUS0_RECEIVE_SIGNAL_S 19 +#define AR5K_5210_RX_DESC_STATUS0_RECEIVE_ANTENNA 0x38000000 +#define AR5K_5210_RX_DESC_STATUS0_RECEIVE_ANTENNA_S 27 +#define AR5K_5210_RX_DESC_STATUS1_DONE 0x00000001 +#define AR5K_5210_RX_DESC_STATUS1_FRAME_RECEIVE_OK 0x00000002 +#define AR5K_5210_RX_DESC_STATUS1_CRC_ERROR 0x00000004 +#define AR5K_5210_RX_DESC_STATUS1_FIFO_OVERRUN 0x00000008 +#define AR5K_5210_RX_DESC_STATUS1_DECRYPT_CRC_ERROR 0x00000010 +#define AR5K_5210_RX_DESC_STATUS1_PHY_ERROR 0x000000e0 +#define AR5K_5210_RX_DESC_STATUS1_PHY_ERROR_S 5 +#define AR5K_5210_RX_DESC_STATUS1_KEY_INDEX_VALID 0x00000100 +#define AR5K_5210_RX_DESC_STATUS1_KEY_INDEX 0x00007e00 +#define AR5K_5210_RX_DESC_STATUS1_KEY_INDEX_S 9 +#define AR5K_5210_RX_DESC_STATUS1_RECEIVE_TIMESTAMP 0x0fff8000 +#define AR5K_5210_RX_DESC_STATUS1_RECEIVE_TIMESTAMP_S 15 +#define AR5K_5210_RX_DESC_STATUS1_KEY_CACHE_MISS 0x10000000 + +/* 5212 */ +#define AR5K_5212_RX_DESC_STATUS0_DATA_LEN 0x00000fff +#define AR5K_5212_RX_DESC_STATUS0_MORE 0x00001000 +#define AR5K_5212_RX_DESC_STATUS0_DECOMP_CRC_ERROR 0x00002000 +#define AR5K_5212_RX_DESC_STATUS0_RECEIVE_RATE 0x000f8000 +#define AR5K_5212_RX_DESC_STATUS0_RECEIVE_RATE_S 15 +#define AR5K_5212_RX_DESC_STATUS0_RECEIVE_SIGNAL 0x0ff00000 +#define AR5K_5212_RX_DESC_STATUS0_RECEIVE_SIGNAL_S 20 +#define AR5K_5212_RX_DESC_STATUS0_RECEIVE_ANTENNA 0xf0000000 +#define AR5K_5212_RX_DESC_STATUS0_RECEIVE_ANTENNA_S 28 +#define AR5K_5212_RX_DESC_STATUS1_DONE 0x00000001 +#define AR5K_5212_RX_DESC_STATUS1_FRAME_RECEIVE_OK 0x00000002 +#define AR5K_5212_RX_DESC_STATUS1_CRC_ERROR 0x00000004 +#define AR5K_5212_RX_DESC_STATUS1_DECRYPT_CRC_ERROR 0x00000008 +#define AR5K_5212_RX_DESC_STATUS1_PHY_ERROR 0x00000010 +#define AR5K_5212_RX_DESC_STATUS1_MIC_ERROR 0x00000020 +#define AR5K_5212_RX_DESC_STATUS1_KEY_INDEX_VALID 0x00000100 +#define AR5K_5212_RX_DESC_STATUS1_KEY_INDEX 0x0000fe00 +#define AR5K_5212_RX_DESC_STATUS1_KEY_INDEX_S 9 +#define AR5K_5212_RX_DESC_STATUS1_RECEIVE_TIMESTAMP 0x7fff0000 +#define AR5K_5212_RX_DESC_STATUS1_RECEIVE_TIMESTAMP_S 16 +#define AR5K_5212_RX_DESC_STATUS1_KEY_CACHE_MISS 0x80000000 + /* - * 5212 rx status descriptor + * common hardware RX error descriptor */ -struct ath5k_hw_new_rx_status { - u32 rx_status_0; /* RX status word 0 */ - -#define AR5K_NEW_RX_DESC_STATUS0_DATA_LEN 0x00000fff -#define AR5K_NEW_RX_DESC_STATUS0_MORE 0x00001000 -#define AR5K_NEW_RX_DESC_STATUS0_DECOMP_CRC_ERROR 0x00002000 -#define AR5K_NEW_RX_DESC_STATUS0_RECEIVE_RATE 0x000f8000 -#define AR5K_NEW_RX_DESC_STATUS0_RECEIVE_RATE_S 15 -#define AR5K_NEW_RX_DESC_STATUS0_RECEIVE_SIGNAL 0x0ff00000 -#define AR5K_NEW_RX_DESC_STATUS0_RECEIVE_SIGNAL_S 20 -#define AR5K_NEW_RX_DESC_STATUS0_RECEIVE_ANTENNA 0xf0000000 -#define AR5K_NEW_RX_DESC_STATUS0_RECEIVE_ANTENNA_S 28 - - u32 rx_status_1; /* RX status word 1 */ - -#define AR5K_NEW_RX_DESC_STATUS1_DONE 0x00000001 -#define AR5K_NEW_RX_DESC_STATUS1_FRAME_RECEIVE_OK 0x00000002 -#define AR5K_NEW_RX_DESC_STATUS1_CRC_ERROR 0x00000004 -#define AR5K_NEW_RX_DESC_STATUS1_DECRYPT_CRC_ERROR 0x00000008 -#define AR5K_NEW_RX_DESC_STATUS1_PHY_ERROR 0x00000010 -#define AR5K_NEW_RX_DESC_STATUS1_MIC_ERROR 0x00000020 -#define AR5K_NEW_RX_DESC_STATUS1_KEY_INDEX_VALID 0x00000100 -#define AR5K_NEW_RX_DESC_STATUS1_KEY_INDEX 0x0000fe00 -#define AR5K_NEW_RX_DESC_STATUS1_KEY_INDEX_S 9 -#define AR5K_NEW_RX_DESC_STATUS1_RECEIVE_TIMESTAMP 0x7fff0000 -#define AR5K_NEW_RX_DESC_STATUS1_RECEIVE_TIMESTAMP_S 16 -#define AR5K_NEW_RX_DESC_STATUS1_KEY_CACHE_MISS 0x80000000 -} __packed; - struct ath5k_hw_rx_error { u32 rx_error_0; /* RX error word 0 */ @@ -268,7 +265,10 @@ struct ath5k_hw_rx_error { #define AR5K_DESC_RX_PHY_ERROR_SERVICE 0xc0 #define AR5K_DESC_RX_PHY_ERROR_TRANSMITOVR 0xe0 -struct ath5k_hw_2w_tx_desc { +/* + * 5210/5211 hardware 2-word TX control descriptor + */ +struct ath5k_hw_2w_tx_ctl { u32 tx_control_0; /* TX control word 0 */ #define AR5K_2W_TX_DESC_CTL0_FRAME_LEN 0x00000fff @@ -314,9 +314,9 @@ struct ath5k_hw_2w_tx_desc { #define AR5K_AR5210_TX_DESC_FRAME_TYPE_PIFS 0x10 /* - * 5212 4-word tx control descriptor + * 5212 hardware 4-word TX control descriptor */ -struct ath5k_hw_4w_tx_desc { +struct ath5k_hw_4w_tx_ctl { u32 tx_control_0; /* TX control word 0 */ #define AR5K_4W_TX_DESC_CTL0_FRAME_LEN 0x00000fff @@ -374,7 +374,7 @@ struct ath5k_hw_4w_tx_desc { } __packed; /* - * Common tx status descriptor + * Common TX status descriptor */ struct ath5k_hw_tx_status { u32 tx_status_0; /* TX status word 0 */ @@ -415,6 +415,34 @@ struct ath5k_hw_tx_status { /* + * 5210/5211 hardware TX descriptor + */ +struct ath5k_hw_5210_tx_desc { + struct ath5k_hw_2w_tx_ctl tx_ctl; + struct ath5k_hw_tx_status tx_stat; +} __packed; + +/* + * 5212 hardware TX descriptor + */ +struct ath5k_hw_5212_tx_desc { + struct ath5k_hw_4w_tx_ctl tx_ctl; + struct ath5k_hw_tx_status tx_stat; +} __packed; + +/* + * common hardware RX descriptor + */ +struct ath5k_hw_all_rx_desc { + struct ath5k_hw_rx_ctl rx_ctl; + union { + struct ath5k_hw_rx_status rx_stat; + struct ath5k_hw_rx_error rx_err; + } u; +} __packed; + + +/* * AR5K REGISTER ACCESS */ diff --git a/drivers/net/wireless/ath5k/initvals.c b/drivers/net/wireless/ath5k/initvals.c index cfcb1fe7bd34..fdbab2f08178 100644 --- a/drivers/net/wireless/ath5k/initvals.c +++ b/drivers/net/wireless/ath5k/initvals.c @@ -678,8 +678,8 @@ static const struct ath5k_ini ar5212_ini[] = { { AR5K_PHY(644), 0x00806333 }, { AR5K_PHY(645), 0x00106c10 }, { AR5K_PHY(646), 0x009c4060 }, - /*{ AR5K_PHY(647), 0x1483800a },*/ /* Old value */ { AR5K_PHY(647), 0x1483800a }, + /* { AR5K_PHY(648), 0x018830c6 },*/ /* 2413 */ { AR5K_PHY(648), 0x01831061 }, { AR5K_PHY(649), 0x00000400 }, /*{ AR5K_PHY(650), 0x000001b5 },*/ @@ -1081,6 +1081,207 @@ static const struct ath5k_ini_mode rf5413_ini_mode_end[] = { { 0xf3307ff0, 0xf3307ff0, 0xf3307ff0, 0xf3307ff0, 0xf3307ff0 } }, }; +/* Initial mode-specific settings for RF2413/2414 (Written after ar5212_ini) */ +/* XXX: No dumps for turbog yet, so turbog is the same with g here with some + * minor tweaking based on dumps from other chips */ +static const struct ath5k_ini_mode rf2413_ini_mode_end[] = { + { AR5K_TXCFG, + /* b g gTurbo */ + { 0x00000015, 0x00000015, 0x00000015 } }, + { AR5K_USEC_5211, + { 0x04e01395, 0x12e013ab, 0x098813cf } }, + { AR5K_PHY(10), + { 0x05020000, 0x0a020001, 0x0a020001 } }, + { AR5K_PHY(13), + { 0x00000e00, 0x00000e00, 0x00000e00 } }, + { AR5K_PHY(14), + { 0x0000000a, 0x0000000a, 0x0000000a } }, + { AR5K_PHY(18), + { 0x001a6a64, 0x001a6a64, 0x001a6a64 } }, + { AR5K_PHY(20), + { 0x0de8b0da, 0x0c98b0da, 0x0c98b0da } }, + { AR5K_PHY_SIG, + { 0x7ee80d2e, 0x7ec80d2e, 0x7ec80d2e } }, + { AR5K_PHY_AGCCOARSE, + { 0x3137665e, 0x3139605e, 0x3139605e } }, + { AR5K_PHY(27), + { 0x050cb081, 0x050cb081, 0x050cb081 } }, + { AR5K_PHY_RX_DELAY, + { 0x0000044c, 0x00000898, 0x000007d0 } }, + { AR5K_PHY_FRAME_CTL_5211, + { 0xf7b80d00, 0xf7b81000, 0xf7b81000 } }, + { AR5K_PHY_CCKTXCTL, + { 0x00000000, 0x00000000, 0x00000000 } }, + { AR5K_PHY(642), + { 0xd03e6788, 0xd03e6788, 0xd03e6788 } }, + { AR5K_PHY_GAIN_2GHZ, + { 0x0042c140, 0x0042c140, 0x0042c140 } }, + { 0xa21c, + { 0x1863800a, 0x1883800a, 0x1883800a } }, + { AR5K_DCU_FP, + { 0x000003e0, 0x000003e0, 0x000003e0 } }, + { 0x8060, + { 0x0000000f, 0x0000000f, 0x0000000f } }, + { 0x8118, + { 0x00000000, 0x00000000, 0x00000000 } }, + { 0x811c, + { 0x00000000, 0x00000000, 0x00000000 } }, + { 0x8120, + { 0x00000000, 0x00000000, 0x00000000 } }, + { 0x8124, + { 0x00000000, 0x00000000, 0x00000000 } }, + { 0x8128, + { 0x00000000, 0x00000000, 0x00000000 } }, + { 0x812c, + { 0x00000000, 0x00000000, 0x00000000 } }, + { 0x8130, + { 0x00000000, 0x00000000, 0x00000000 } }, + { 0x8134, + { 0x00000000, 0x00000000, 0x00000000 } }, + { 0x8138, + { 0x00000000, 0x00000000, 0x00000000 } }, + { 0x813c, + { 0x00000000, 0x00000000, 0x00000000 } }, + { 0x8140, + { 0x800000a8, 0x800000a8, 0x800000a8 } }, + { 0x8144, + { 0x00000000, 0x00000000, 0x00000000 } }, + { AR5K_PHY_AGC, + { 0x00000000, 0x00000000, 0x00000000 } }, + { AR5K_PHY(11), + { 0x0000a000, 0x0000a000, 0x0000a000 } }, + { AR5K_PHY(15), + { 0x00200400, 0x00200400, 0x00200400 } }, + { AR5K_PHY(19), + { 0x1284233c, 0x1284233c, 0x1284233c } }, + { AR5K_PHY_SCR, + { 0x0000001f, 0x0000001f, 0x0000001f } }, + { AR5K_PHY_SLMT, + { 0x00000080, 0x00000080, 0x00000080 } }, + { AR5K_PHY_SCAL, + { 0x0000000e, 0x0000000e, 0x0000000e } }, + { AR5K_PHY(86), + { 0x000000ff, 0x000000ff, 0x000000ff } }, + { AR5K_PHY(96), + { 0x00000000, 0x00000000, 0x00000000 } }, + { AR5K_PHY(97), + { 0x02800000, 0x02800000, 0x02800000 } }, + { AR5K_PHY(104), + { 0x00000000, 0x00000000, 0x00000000 } }, + { AR5K_PHY(120), + { 0x00000000, 0x00000000, 0x00000000 } }, + { AR5K_PHY(121), + { 0xaaaaaaaa, 0xaaaaaaaa, 0xaaaaaaaa } }, + { AR5K_PHY(122), + { 0x3c466478, 0x3c466478, 0x3c466478 } }, + { AR5K_PHY(123), + { 0x000000aa, 0x000000aa, 0x000000aa } }, + { AR5K_PHY_SCLOCK, + { 0x0000000c, 0x0000000c, 0x0000000c } }, + { AR5K_PHY_SDELAY, + { 0x000000ff, 0x000000ff, 0x000000ff } }, + { AR5K_PHY_SPENDING, + { 0x00000014, 0x00000014, 0x00000014 } }, + { 0xa228, + { 0x000009b5, 0x000009b5, 0x000009b5 } }, + { 0xa23c, + { 0x93c889af, 0x93c889af, 0x93c889af } }, + { 0xa24c, + { 0x00000001, 0x00000001, 0x00000001 } }, + { 0xa250, + { 0x0000a000, 0x0000a000, 0x0000a000 } }, + { 0xa254, + { 0x00000000, 0x00000000, 0x00000000 } }, + { 0xa258, + { 0x0cc75380, 0x0cc75380, 0x0cc75380 } }, + { 0xa25c, + { 0x0f0f0f01, 0x0f0f0f01, 0x0f0f0f01 } }, + { 0xa260, + { 0x5f690f01, 0x5f690f01, 0x5f690f01 } }, + { 0xa264, + { 0x00418a11, 0x00418a11, 0x00418a11 } }, + { 0xa268, + { 0x00000000, 0x00000000, 0x00000000 } }, + { 0xa26c, + { 0x0c30c16a, 0x0c30c16a, 0x0c30c16a } }, + { 0xa270, + { 0x00820820, 0x00820820, 0x00820820 } }, + { 0xa274, + { 0x001b7caa, 0x001b7caa, 0x001b7caa } }, + { 0xa278, + { 0x1ce739ce, 0x1ce739ce, 0x1ce739ce } }, + { 0xa27c, + { 0x051701ce, 0x051701ce, 0x051701ce } }, + { 0xa300, + { 0x18010000, 0x18010000, 0x18010000 } }, + { 0xa304, + { 0x30032602, 0x30032602, 0x30032602 } }, + { 0xa308, + { 0x48073e06, 0x48073e06, 0x48073e06 } }, + { 0xa30c, + { 0x560b4c0a, 0x560b4c0a, 0x560b4c0a } }, + { 0xa310, + { 0x641a600f, 0x641a600f, 0x641a600f } }, + { 0xa314, + { 0x784f6e1b, 0x784f6e1b, 0x784f6e1b } }, + { 0xa318, + { 0x868f7c5a, 0x868f7c5a, 0x868f7c5a } }, + { 0xa31c, + { 0x8ecf865b, 0x8ecf865b, 0x8ecf865b } }, + { 0xa320, + { 0x9d4f970f, 0x9d4f970f, 0x9d4f970f } }, + { 0xa324, + { 0xa5cfa18f, 0xa5cfa18f, 0xa5cfa18f } }, + { 0xa328, + { 0xb55faf1f, 0xb55faf1f, 0xb55faf1f } }, + { 0xa32c, + { 0xbddfb99f, 0xbddfb99f, 0xbddfb99f } }, + { 0xa330, + { 0xcd7fc73f, 0xcd7fc73f, 0xcd7fc73f } }, + { 0xa334, + { 0xd5ffd1bf, 0xd5ffd1bf, 0xd5ffd1bf } }, + { 0xa338, + { 0x00000000, 0x00000000, 0x00000000 } }, + { 0xa33c, + { 0x00000000, 0x00000000, 0x00000000 } }, + { 0xa340, + { 0x00000000, 0x00000000, 0x00000000 } }, + { 0xa344, + { 0x00000000, 0x00000000, 0x00000000 } }, + { 0xa348, + { 0x3fffffff, 0x3fffffff, 0x3fffffff } }, + { 0xa34c, + { 0x3fffffff, 0x3fffffff, 0x3fffffff } }, + { 0xa350, + { 0x3fffffff, 0x3fffffff, 0x3fffffff } }, + { 0xa354, + { 0x0003ffff, 0x0003ffff, 0x0003ffff } }, + { 0xa358, + { 0x79a8aa1f, 0x79a8aa1f, 0x79a8aa1f } }, + { 0xa35c, + { 0x066c420f, 0x066c420f, 0x066c420f } }, + { 0xa360, + { 0x0f282207, 0x0f282207, 0x0f282207 } }, + { 0xa364, + { 0x17601685, 0x17601685, 0x17601685 } }, + { 0xa368, + { 0x1f801104, 0x1f801104, 0x1f801104 } }, + { 0xa36c, + { 0x37a00c03, 0x37a00c03, 0x37a00c03 } }, + { 0xa370, + { 0x3fc40883, 0x3fc40883, 0x3fc40883 } }, + { 0xa374, + { 0x57c00803, 0x57c00803, 0x57c00803 } }, + { 0xa378, + { 0x5fd80682, 0x5fd80682, 0x5fd80682 } }, + { 0xa37c, + { 0x7fe00482, 0x7fe00482, 0x7fe00482 } }, + { 0xa380, + { 0x7f3c7bba, 0x7f3c7bba, 0x7f3c7bba } }, + { 0xa384, + { 0xf3307ff0, 0xf3307ff0, 0xf3307ff0 } }, +}; + /* * Initial BaseBand Gain settings for RF5111/5112 (AR5210 comes with * RF5110 only so initial BB Gain settings are included in AR5K_AR5210_INI) @@ -1290,29 +1491,57 @@ int ath5k_hw_write_initvals(struct ath5k_hw *ah, u8 mode, bool change_channel) /* Second set of mode-specific settings */ if (ah->ah_radio == AR5K_RF5111){ + ath5k_hw_ini_mode_registers(ah, ARRAY_SIZE(ar5212_rf5111_ini_mode_end), ar5212_rf5111_ini_mode_end, mode); + /* Baseband gain table */ ath5k_hw_ini_registers(ah, ARRAY_SIZE(rf5111_ini_bbgain), rf5111_ini_bbgain, change_channel); + } else if (ah->ah_radio == AR5K_RF5112){ + ath5k_hw_ini_mode_registers(ah, ARRAY_SIZE(ar5212_rf5112_ini_mode_end), ar5212_rf5112_ini_mode_end, mode); - /* Baseband gain table */ + ath5k_hw_ini_registers(ah, ARRAY_SIZE(rf5112_ini_bbgain), rf5112_ini_bbgain, change_channel); + } else if (ah->ah_radio == AR5K_RF5413){ + ath5k_hw_ini_mode_registers(ah, ARRAY_SIZE(rf5413_ini_mode_end), rf5413_ini_mode_end, mode); + + ath5k_hw_ini_registers(ah, + ARRAY_SIZE(rf5112_ini_bbgain), + rf5112_ini_bbgain, change_channel); + + } else if (ah->ah_radio == AR5K_RF2413) { + + if (mode < 2) { + ATH5K_ERR(ah->ah_sc, + "unsupported channel mode: %d\n", mode); + return -EINVAL; + } + mode = mode - 2; + + /* Override a setting from ar5212_ini */ + ath5k_hw_reg_write(ah, 0x018830c6, AR5K_PHY(648)); + + ath5k_hw_ini_mode_registers(ah, + ARRAY_SIZE(rf2413_ini_mode_end), + rf2413_ini_mode_end, mode); + /* Baseband gain table */ ath5k_hw_ini_registers(ah, ARRAY_SIZE(rf5112_ini_bbgain), rf5112_ini_bbgain, change_channel); + } /* For AR5211 */ } else if (ah->ah_version == AR5K_AR5211) { diff --git a/drivers/net/wireless/ath5k/phy.c b/drivers/net/wireless/ath5k/phy.c index 405195ffb24d..ee1dc0fc6ea2 100644 --- a/drivers/net/wireless/ath5k/phy.c +++ b/drivers/net/wireless/ath5k/phy.c @@ -666,6 +666,75 @@ static const struct ath5k_ini_rf rfregs_5413[] = { { 0x0000000e, 0x0000000e, 0x0000000e, 0x0000000e, 0x0000000e } }, }; +/* RF2413/2414 mode-specific init registers */ +static const struct ath5k_ini_rf rfregs_2413[] = { + { 1, AR5K_RF_BUFFER_CONTROL_4, + { 0x00000020, 0x00000020, 0x00000020 } }, + { 2, AR5K_RF_BUFFER_CONTROL_3, + { 0x02001408, 0x02001408, 0x02001408 } }, + { 3, AR5K_RF_BUFFER_CONTROL_6, + { 0x00e020c0, 0x00e020c0, 0x00e020c0 } }, + { 6, AR5K_RF_BUFFER, + { 0xf0000000, 0xf0000000, 0xf0000000 } }, + { 6, AR5K_RF_BUFFER, + { 0x00000000, 0x00000000, 0x00000000 } }, + { 6, AR5K_RF_BUFFER, + { 0x03000000, 0x03000000, 0x03000000 } }, + { 6, AR5K_RF_BUFFER, + { 0x00000000, 0x00000000, 0x00000000 } }, + { 6, AR5K_RF_BUFFER, + { 0x00000000, 0x00000000, 0x00000000 } }, + { 6, AR5K_RF_BUFFER, + { 0x00000000, 0x00000000, 0x00000000 } }, + { 6, AR5K_RF_BUFFER, + { 0x00000000, 0x00000000, 0x00000000 } }, + { 6, AR5K_RF_BUFFER, + { 0x00000000, 0x00000000, 0x00000000 } }, + { 6, AR5K_RF_BUFFER, + { 0x40400000, 0x40400000, 0x40400000 } }, + { 6, AR5K_RF_BUFFER, + { 0x65050000, 0x65050000, 0x65050000 } }, + { 6, AR5K_RF_BUFFER, + { 0x00000000, 0x00000000, 0x00000000 } }, + { 6, AR5K_RF_BUFFER, + { 0x00000000, 0x00000000, 0x00000000 } }, + { 6, AR5K_RF_BUFFER, + { 0x00420000, 0x00420000, 0x00420000 } }, + { 6, AR5K_RF_BUFFER, + { 0x00b50000, 0x00b50000, 0x00b50000 } }, + { 6, AR5K_RF_BUFFER, + { 0x00030000, 0x00030000, 0x00030000 } }, + { 6, AR5K_RF_BUFFER, + { 0x00f70000, 0x00f70000, 0x00f70000 } }, + { 6, AR5K_RF_BUFFER, + { 0x009d0000, 0x009d0000, 0x009d0000 } }, + { 6, AR5K_RF_BUFFER, + { 0x00220000, 0x00220000, 0x00220000 } }, + { 6, AR5K_RF_BUFFER, + { 0x04220000, 0x04220000, 0x04220000 } }, + { 6, AR5K_RF_BUFFER, + { 0x00230018, 0x00230018, 0x00230018 } }, + { 6, AR5K_RF_BUFFER, + { 0x00280050, 0x00280050, 0x00280050 } }, + { 6, AR5K_RF_BUFFER, + { 0x005000c3, 0x005000c3, 0x005000c3 } }, + { 6, AR5K_RF_BUFFER, + { 0x0004007f, 0x0004007f, 0x0004007f } }, + { 6, AR5K_RF_BUFFER, + { 0x00000458, 0x00000458, 0x00000458 } }, + { 6, AR5K_RF_BUFFER, + { 0x00000000, 0x00000000, 0x00000000 } }, + { 6, AR5K_RF_BUFFER, + { 0x0000c000, 0x0000c000, 0x0000c000 } }, + { 6, AR5K_RF_BUFFER_CONTROL_5, + { 0x00400230, 0x00400230, 0x00400230 } }, + { 7, AR5K_RF_BUFFER, + { 0x00006400, 0x00006400, 0x00006400 } }, + { 7, AR5K_RF_BUFFER, + { 0x00000800, 0x00000800, 0x00000800 } }, + { 7, AR5K_RF_BUFFER_CONTROL_2, + { 0x0000000e, 0x0000000e, 0x0000000e } }, +}; /* Initial RF Gain settings for RF5112 */ static const struct ath5k_ini_rfgain rfgain_5112[] = { @@ -805,6 +874,74 @@ static const struct ath5k_ini_rfgain rfgain_5413[] = { { AR5K_RF_GAIN(63), { 0x000000f9, 0x000000f9 } }, }; +/* Initial RF Gain settings for RF2413 */ +static const struct ath5k_ini_rfgain rfgain_2413[] = { + { AR5K_RF_GAIN(0), { 0x00000000 } }, + { AR5K_RF_GAIN(1), { 0x00000040 } }, + { AR5K_RF_GAIN(2), { 0x00000080 } }, + { AR5K_RF_GAIN(3), { 0x00000181 } }, + { AR5K_RF_GAIN(4), { 0x000001c1 } }, + { AR5K_RF_GAIN(5), { 0x00000001 } }, + { AR5K_RF_GAIN(6), { 0x00000041 } }, + { AR5K_RF_GAIN(7), { 0x00000081 } }, + { AR5K_RF_GAIN(8), { 0x00000168 } }, + { AR5K_RF_GAIN(9), { 0x000001a8 } }, + { AR5K_RF_GAIN(10), { 0x000001e8 } }, + { AR5K_RF_GAIN(11), { 0x00000028 } }, + { AR5K_RF_GAIN(12), { 0x00000068 } }, + { AR5K_RF_GAIN(13), { 0x00000189 } }, + { AR5K_RF_GAIN(14), { 0x000001c9 } }, + { AR5K_RF_GAIN(15), { 0x00000009 } }, + { AR5K_RF_GAIN(16), { 0x00000049 } }, + { AR5K_RF_GAIN(17), { 0x00000089 } }, + { AR5K_RF_GAIN(18), { 0x00000190 } }, + { AR5K_RF_GAIN(19), { 0x000001d0 } }, + { AR5K_RF_GAIN(20), { 0x00000010 } }, + { AR5K_RF_GAIN(21), { 0x00000050 } }, + { AR5K_RF_GAIN(22), { 0x00000090 } }, + { AR5K_RF_GAIN(23), { 0x00000191 } }, + { AR5K_RF_GAIN(24), { 0x000001d1 } }, + { AR5K_RF_GAIN(25), { 0x00000011 } }, + { AR5K_RF_GAIN(26), { 0x00000051 } }, + { AR5K_RF_GAIN(27), { 0x00000091 } }, + { AR5K_RF_GAIN(28), { 0x00000178 } }, + { AR5K_RF_GAIN(29), { 0x000001b8 } }, + { AR5K_RF_GAIN(30), { 0x000001f8 } }, + { AR5K_RF_GAIN(31), { 0x00000038 } }, + { AR5K_RF_GAIN(32), { 0x00000078 } }, + { AR5K_RF_GAIN(33), { 0x00000199 } }, + { AR5K_RF_GAIN(34), { 0x000001d9 } }, + { AR5K_RF_GAIN(35), { 0x00000019 } }, + { AR5K_RF_GAIN(36), { 0x00000059 } }, + { AR5K_RF_GAIN(37), { 0x00000099 } }, + { AR5K_RF_GAIN(38), { 0x000000d9 } }, + { AR5K_RF_GAIN(39), { 0x000000f9 } }, + { AR5K_RF_GAIN(40), { 0x000000f9 } }, + { AR5K_RF_GAIN(41), { 0x000000f9 } }, + { AR5K_RF_GAIN(42), { 0x000000f9 } }, + { AR5K_RF_GAIN(43), { 0x000000f9 } }, + { AR5K_RF_GAIN(44), { 0x000000f9 } }, + { AR5K_RF_GAIN(45), { 0x000000f9 } }, + { AR5K_RF_GAIN(46), { 0x000000f9 } }, + { AR5K_RF_GAIN(47), { 0x000000f9 } }, + { AR5K_RF_GAIN(48), { 0x000000f9 } }, + { AR5K_RF_GAIN(49), { 0x000000f9 } }, + { AR5K_RF_GAIN(50), { 0x000000f9 } }, + { AR5K_RF_GAIN(51), { 0x000000f9 } }, + { AR5K_RF_GAIN(52), { 0x000000f9 } }, + { AR5K_RF_GAIN(53), { 0x000000f9 } }, + { AR5K_RF_GAIN(54), { 0x000000f9 } }, + { AR5K_RF_GAIN(55), { 0x000000f9 } }, + { AR5K_RF_GAIN(56), { 0x000000f9 } }, + { AR5K_RF_GAIN(57), { 0x000000f9 } }, + { AR5K_RF_GAIN(58), { 0x000000f9 } }, + { AR5K_RF_GAIN(59), { 0x000000f9 } }, + { AR5K_RF_GAIN(60), { 0x000000f9 } }, + { AR5K_RF_GAIN(61), { 0x000000f9 } }, + { AR5K_RF_GAIN(62), { 0x000000f9 } }, + { AR5K_RF_GAIN(63), { 0x000000f9 } }, +}; + static const struct ath5k_gain_opt rfgain_opt_5112 = { 1, 8, @@ -955,7 +1092,6 @@ static s32 ath5k_hw_rfregs_gain_adjust(struct ath5k_hw *ah) go = &rfgain_opt_5111; break; case AR5K_RF5112: - case AR5K_RF5413: /* ??? */ go = &rfgain_opt_5112; break; default: @@ -1226,8 +1362,21 @@ static int ath5k_hw_rf5413_rfregs(struct ath5k_hw *ah, rf = ah->ah_rf_banks; - rf_ini = rfregs_5413; - rf_size = ARRAY_SIZE(rfregs_5413); + if (ah->ah_radio == AR5K_RF5413) { + rf_ini = rfregs_5413; + rf_size = ARRAY_SIZE(rfregs_5413); + } else if (ah->ah_radio == AR5K_RF2413) { + rf_ini = rfregs_2413; + rf_size = ARRAY_SIZE(rfregs_2413); + if (mode < 2) { + ATH5K_ERR(ah->ah_sc, + "invalid channel mode: %i\n", mode); + return -EINVAL; + } + mode = mode - 2; + } else { + return -EINVAL; + } /* Copy values to modify them */ for (i = 0; i < rf_size; i++) { @@ -1286,6 +1435,10 @@ int ath5k_hw_rfregs(struct ath5k_hw *ah, struct ieee80211_channel *channel, ah->ah_rf_banks_size = sizeof(rfregs_5413); func = ath5k_hw_rf5413_rfregs; break; + case AR5K_RF2413: + ah->ah_rf_banks_size = sizeof(rfregs_2413); + func = ath5k_hw_rf5413_rfregs; + break; default: return -EINVAL; } @@ -1324,6 +1477,11 @@ int ath5k_hw_rfgain(struct ath5k_hw *ah, unsigned int freq) ath5k_rfg = rfgain_5413; size = ARRAY_SIZE(rfgain_5413); break; + case AR5K_RF2413: + ath5k_rfg = rfgain_2413; + size = ARRAY_SIZE(rfgain_2413); + freq = 0; /* only 2Ghz */ + break; default: return -EINVAL; } @@ -1398,7 +1556,6 @@ int ath5k_hw_set_rfgain_opt(struct ath5k_hw *ah) ah->ah_gain.g_active = 1; break; case AR5K_RF5112: - case AR5K_RF5413: /* ??? */ ah->ah_gain.g_step_idx = rfgain_opt_5112.go_default; ah->ah_gain.g_step = &rfgain_opt_5112.go_step[ah->ah_gain.g_step_idx]; @@ -2019,6 +2176,15 @@ ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel, return -EINVAL; } + /* + * RF2413 for some reason can't + * transmit anything if we call + * this funtion, so we skip it + * until we fix txpower. + */ + if (ah->ah_radio == AR5K_RF2413) + return 0; + /* Reset TX power values */ memset(&ah->ah_txpower, 0, sizeof(ah->ah_txpower)); ah->ah_txpower.txp_tpc = tpc; diff --git a/drivers/net/wireless/ath5k/reg.h b/drivers/net/wireless/ath5k/reg.h index 2f41c8398602..30629b3e37c2 100644 --- a/drivers/net/wireless/ath5k/reg.h +++ b/drivers/net/wireless/ath5k/reg.h @@ -1923,7 +1923,9 @@ after DFS is enabled */ #define AR5K_PHY_SDELAY_32MHZ 0x000000ff #define AR5K_PHY_SPENDING 0x99f8 #define AR5K_PHY_SPENDING_RF5111 0x00000018 -#define AR5K_PHY_SPENDING_RF5112 0x00000014 +#define AR5K_PHY_SPENDING_RF5112 0x00000014 /* <- i 've only seen this on 2425 dumps ! */ +#define AR5K_PHY_SPENDING_RF5112A 0x0000000e /* but since i only have 5112A-based chips */ +#define AR5K_PHY_SPENDING_RF5424 0x00000012 /* to test it might be also for old 5112. */ /* * Misc PHY/radio registers [5110 - 5111] diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h index 33459d61a717..d40be1568517 100644 --- a/drivers/net/wireless/b43/b43.h +++ b/drivers/net/wireless/b43/b43.h @@ -99,6 +99,8 @@ #define B43_MMIO_TSF_2 0x636 /* core rev < 3 only */ #define B43_MMIO_TSF_3 0x638 /* core rev < 3 only */ #define B43_MMIO_RNG 0x65A +#define B43_MMIO_IFSCTL 0x688 /* Interframe space control */ +#define B43_MMIO_IFSCTL_USE_EDCF 0x0004 #define B43_MMIO_POWERUP_DELAY 0x6A8 /* SPROM boardflags_lo values */ @@ -587,15 +589,13 @@ struct b43_phy { /* Data structures for DMA transmission, per 80211 core. */ struct b43_dma { - struct b43_dmaring *tx_ring0; - struct b43_dmaring *tx_ring1; - struct b43_dmaring *tx_ring2; - struct b43_dmaring *tx_ring3; - struct b43_dmaring *tx_ring4; - struct b43_dmaring *tx_ring5; - - struct b43_dmaring *rx_ring0; - struct b43_dmaring *rx_ring3; /* only available on core.rev < 5 */ + struct b43_dmaring *tx_ring_AC_BK; /* Background */ + struct b43_dmaring *tx_ring_AC_BE; /* Best Effort */ + struct b43_dmaring *tx_ring_AC_VI; /* Video */ + struct b43_dmaring *tx_ring_AC_VO; /* Voice */ + struct b43_dmaring *tx_ring_mcast; /* Multicast */ + + struct b43_dmaring *rx_ring; }; /* Context information for a noise calculation (Link Quality). */ @@ -621,6 +621,35 @@ struct b43_key { u8 algorithm; }; +/* SHM offsets to the QOS data structures for the 4 different queues. */ +#define B43_QOS_PARAMS(queue) (B43_SHM_SH_EDCFQ + \ + (B43_NR_QOSPARAMS * sizeof(u16) * (queue))) +#define B43_QOS_BACKGROUND B43_QOS_PARAMS(0) +#define B43_QOS_BESTEFFORT B43_QOS_PARAMS(1) +#define B43_QOS_VIDEO B43_QOS_PARAMS(2) +#define B43_QOS_VOICE B43_QOS_PARAMS(3) + +/* QOS parameter hardware data structure offsets. */ +#define B43_NR_QOSPARAMS 22 +enum { + B43_QOSPARAM_TXOP = 0, + B43_QOSPARAM_CWMIN, + B43_QOSPARAM_CWMAX, + B43_QOSPARAM_CWCUR, + B43_QOSPARAM_AIFS, + B43_QOSPARAM_BSLOTS, + B43_QOSPARAM_REGGAP, + B43_QOSPARAM_STATUS, +}; + +/* QOS parameters for a queue. */ +struct b43_qos_params { + /* The QOS parameters */ + struct ieee80211_tx_queue_params p; + /* Does this need to get uploaded to hardware? */ + bool need_hw_update; +}; + struct b43_wldev; /* Data structure for the WLAN parts (802.11 cores) of the b43 chip. */ @@ -673,6 +702,12 @@ struct b43_wl { struct sk_buff *current_beacon; bool beacon0_uploaded; bool beacon1_uploaded; + + /* The current QOS parameters for the 4 queues. + * This is protected by the irq_lock. */ + struct b43_qos_params qos_params[4]; + /* Workqueue for updating QOS parameters in hardware. */ + struct work_struct qos_update_work; }; /* In-memory representation of a cached microcode file. */ diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c index 3dfb28a34be9..663aed4e9e05 100644 --- a/drivers/net/wireless/b43/dma.c +++ b/drivers/net/wireless/b43/dma.c @@ -38,6 +38,7 @@ #include <linux/delay.h> #include <linux/skbuff.h> #include <linux/etherdevice.h> +#include <asm/div64.h> /* 32bit DMA ops. */ @@ -291,52 +292,6 @@ static inline int request_slot(struct b43_dmaring *ring) return slot; } -/* Mac80211-queue to b43-ring mapping */ -static struct b43_dmaring *priority_to_txring(struct b43_wldev *dev, - int queue_priority) -{ - struct b43_dmaring *ring; - -/*FIXME: For now we always run on TX-ring-1 */ - return dev->dma.tx_ring1; - - /* 0 = highest priority */ - switch (queue_priority) { - default: - B43_WARN_ON(1); - /* fallthrough */ - case 0: - ring = dev->dma.tx_ring3; - break; - case 1: - ring = dev->dma.tx_ring2; - break; - case 2: - ring = dev->dma.tx_ring1; - break; - case 3: - ring = dev->dma.tx_ring0; - break; - } - - return ring; -} - -/* b43-ring to mac80211-queue mapping */ -static inline int txring_to_priority(struct b43_dmaring *ring) -{ - static const u8 idx_to_prio[] = { 3, 2, 1, 0, }; - unsigned int index; - -/*FIXME: have only one queue, for now */ - return 0; - - index = ring->index; - if (B43_WARN_ON(index >= ARRAY_SIZE(idx_to_prio))) - index = 0; - return idx_to_prio[index]; -} - static u16 b43_dmacontroller_base(enum b43_dmatype type, int controller_idx) { static const u16 map64[] = { @@ -924,16 +879,52 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev, goto out; } +#define divide(a, b) ({ \ + typeof(a) __a = a; \ + do_div(__a, b); \ + __a; \ + }) + +#define modulo(a, b) ({ \ + typeof(a) __a = a; \ + do_div(__a, b); \ + }) + /* Main cleanup function. */ -static void b43_destroy_dmaring(struct b43_dmaring *ring) +static void b43_destroy_dmaring(struct b43_dmaring *ring, + const char *ringname) { if (!ring) return; - b43dbg(ring->dev->wl, "DMA-%u 0x%04X (%s) max used slots: %d/%d\n", - (unsigned int)(ring->type), - ring->mmio_base, - (ring->tx) ? "TX" : "RX", ring->max_used_slots, ring->nr_slots); +#ifdef CONFIG_B43_DEBUG + { + /* Print some statistics. */ + u64 failed_packets = ring->nr_failed_tx_packets; + u64 succeed_packets = ring->nr_succeed_tx_packets; + u64 nr_packets = failed_packets + succeed_packets; + u64 permille_failed = 0, average_tries = 0; + + if (nr_packets) + permille_failed = divide(failed_packets * 1000, nr_packets); + if (nr_packets) + average_tries = divide(ring->nr_total_packet_tries * 100, nr_packets); + + b43dbg(ring->dev->wl, "DMA-%u %s: " + "Used slots %d/%d, Failed frames %llu/%llu = %llu.%01llu%%, " + "Average tries %llu.%02llu\n", + (unsigned int)(ring->type), ringname, + ring->max_used_slots, + ring->nr_slots, + (unsigned long long)failed_packets, + (unsigned long long)nr_packets, + (unsigned long long)divide(permille_failed, 10), + (unsigned long long)modulo(permille_failed, 10), + (unsigned long long)divide(average_tries, 100), + (unsigned long long)modulo(average_tries, 100)); + } +#endif /* DEBUG */ + /* Device IRQs are disabled prior entering this function, * so no need to take care of concurrency with rx handler stuff. */ @@ -946,33 +937,26 @@ static void b43_destroy_dmaring(struct b43_dmaring *ring) kfree(ring); } +#define destroy_ring(dma, ring) do { \ + b43_destroy_dmaring((dma)->ring, __stringify(ring)); \ + (dma)->ring = NULL; \ + } while (0) + void b43_dma_free(struct b43_wldev *dev) { struct b43_dma *dma = &dev->dma; - b43_destroy_dmaring(dma->rx_ring3); - dma->rx_ring3 = NULL; - b43_destroy_dmaring(dma->rx_ring0); - dma->rx_ring0 = NULL; - - b43_destroy_dmaring(dma->tx_ring5); - dma->tx_ring5 = NULL; - b43_destroy_dmaring(dma->tx_ring4); - dma->tx_ring4 = NULL; - b43_destroy_dmaring(dma->tx_ring3); - dma->tx_ring3 = NULL; - b43_destroy_dmaring(dma->tx_ring2); - dma->tx_ring2 = NULL; - b43_destroy_dmaring(dma->tx_ring1); - dma->tx_ring1 = NULL; - b43_destroy_dmaring(dma->tx_ring0); - dma->tx_ring0 = NULL; + destroy_ring(dma, rx_ring); + destroy_ring(dma, tx_ring_AC_BK); + destroy_ring(dma, tx_ring_AC_BE); + destroy_ring(dma, tx_ring_AC_VI); + destroy_ring(dma, tx_ring_AC_VO); + destroy_ring(dma, tx_ring_mcast); } int b43_dma_init(struct b43_wldev *dev) { struct b43_dma *dma = &dev->dma; - struct b43_dmaring *ring; int err; u64 dmamask; enum b43_dmatype type; @@ -1002,83 +986,57 @@ int b43_dma_init(struct b43_wldev *dev) err = -ENOMEM; /* setup TX DMA channels. */ - ring = b43_setup_dmaring(dev, 0, 1, type); - if (!ring) + dma->tx_ring_AC_BK = b43_setup_dmaring(dev, 0, 1, type); + if (!dma->tx_ring_AC_BK) goto out; - dma->tx_ring0 = ring; - ring = b43_setup_dmaring(dev, 1, 1, type); - if (!ring) - goto err_destroy_tx0; - dma->tx_ring1 = ring; + dma->tx_ring_AC_BE = b43_setup_dmaring(dev, 1, 1, type); + if (!dma->tx_ring_AC_BE) + goto err_destroy_bk; - ring = b43_setup_dmaring(dev, 2, 1, type); - if (!ring) - goto err_destroy_tx1; - dma->tx_ring2 = ring; + dma->tx_ring_AC_VI = b43_setup_dmaring(dev, 2, 1, type); + if (!dma->tx_ring_AC_VI) + goto err_destroy_be; - ring = b43_setup_dmaring(dev, 3, 1, type); - if (!ring) - goto err_destroy_tx2; - dma->tx_ring3 = ring; + dma->tx_ring_AC_VO = b43_setup_dmaring(dev, 3, 1, type); + if (!dma->tx_ring_AC_VO) + goto err_destroy_vi; - ring = b43_setup_dmaring(dev, 4, 1, type); - if (!ring) - goto err_destroy_tx3; - dma->tx_ring4 = ring; + dma->tx_ring_mcast = b43_setup_dmaring(dev, 4, 1, type); + if (!dma->tx_ring_mcast) + goto err_destroy_vo; - ring = b43_setup_dmaring(dev, 5, 1, type); - if (!ring) - goto err_destroy_tx4; - dma->tx_ring5 = ring; + /* setup RX DMA channel. */ + dma->rx_ring = b43_setup_dmaring(dev, 0, 0, type); + if (!dma->rx_ring) + goto err_destroy_mcast; - /* setup RX DMA channels. */ - ring = b43_setup_dmaring(dev, 0, 0, type); - if (!ring) - goto err_destroy_tx5; - dma->rx_ring0 = ring; - - if (dev->dev->id.revision < 5) { - ring = b43_setup_dmaring(dev, 3, 0, type); - if (!ring) - goto err_destroy_rx0; - dma->rx_ring3 = ring; - } + /* No support for the TX status DMA ring. */ + B43_WARN_ON(dev->dev->id.revision < 5); b43dbg(dev->wl, "%u-bit DMA initialized\n", (unsigned int)type); err = 0; - out: +out: return err; - err_destroy_rx0: - b43_destroy_dmaring(dma->rx_ring0); - dma->rx_ring0 = NULL; - err_destroy_tx5: - b43_destroy_dmaring(dma->tx_ring5); - dma->tx_ring5 = NULL; - err_destroy_tx4: - b43_destroy_dmaring(dma->tx_ring4); - dma->tx_ring4 = NULL; - err_destroy_tx3: - b43_destroy_dmaring(dma->tx_ring3); - dma->tx_ring3 = NULL; - err_destroy_tx2: - b43_destroy_dmaring(dma->tx_ring2); - dma->tx_ring2 = NULL; - err_destroy_tx1: - b43_destroy_dmaring(dma->tx_ring1); - dma->tx_ring1 = NULL; - err_destroy_tx0: - b43_destroy_dmaring(dma->tx_ring0); - dma->tx_ring0 = NULL; - goto out; +err_destroy_mcast: + destroy_ring(dma, tx_ring_mcast); +err_destroy_vo: + destroy_ring(dma, tx_ring_AC_VO); +err_destroy_vi: + destroy_ring(dma, tx_ring_AC_VI); +err_destroy_be: + destroy_ring(dma, tx_ring_AC_BE); +err_destroy_bk: + destroy_ring(dma, tx_ring_AC_BK); + return err; } /* Generate a cookie for the TX header. */ static u16 generate_cookie(struct b43_dmaring *ring, int slot) { - u16 cookie = 0x1000; + u16 cookie; /* Use the upper 4 bits of the cookie as * DMA controller ID and store the slot number @@ -1088,30 +1046,9 @@ static u16 generate_cookie(struct b43_dmaring *ring, int slot) * It can also not be 0xFFFF because that is special * for multicast frames. */ - switch (ring->index) { - case 0: - cookie = 0x1000; - break; - case 1: - cookie = 0x2000; - break; - case 2: - cookie = 0x3000; - break; - case 3: - cookie = 0x4000; - break; - case 4: - cookie = 0x5000; - break; - case 5: - cookie = 0x6000; - break; - default: - B43_WARN_ON(1); - } + cookie = (((u16)ring->index + 1) << 12); B43_WARN_ON(slot & ~0x0FFF); - cookie |= (u16) slot; + cookie |= (u16)slot; return cookie; } @@ -1125,22 +1062,19 @@ struct b43_dmaring *parse_cookie(struct b43_wldev *dev, u16 cookie, int *slot) switch (cookie & 0xF000) { case 0x1000: - ring = dma->tx_ring0; + ring = dma->tx_ring_AC_BK; break; case 0x2000: - ring = dma->tx_ring1; + ring = dma->tx_ring_AC_BE; break; case 0x3000: - ring = dma->tx_ring2; + ring = dma->tx_ring_AC_VI; break; case 0x4000: - ring = dma->tx_ring3; + ring = dma->tx_ring_AC_VO; break; case 0x5000: - ring = dma->tx_ring4; - break; - case 0x6000: - ring = dma->tx_ring5; + ring = dma->tx_ring_mcast; break; default: B43_WARN_ON(1); @@ -1272,6 +1206,37 @@ static inline int should_inject_overflow(struct b43_dmaring *ring) return 0; } +/* Static mapping of mac80211's queues (priorities) to b43 DMA rings. */ +static struct b43_dmaring * select_ring_by_priority(struct b43_wldev *dev, + u8 queue_prio) +{ + struct b43_dmaring *ring; + + if (b43_modparam_qos) { + /* 0 = highest priority */ + switch (queue_prio) { + default: + B43_WARN_ON(1); + /* fallthrough */ + case 0: + ring = dev->dma.tx_ring_AC_VO; + break; + case 1: + ring = dev->dma.tx_ring_AC_VI; + break; + case 2: + ring = dev->dma.tx_ring_AC_BE; + break; + case 3: + ring = dev->dma.tx_ring_AC_BK; + break; + } + } else + ring = dev->dma.tx_ring_AC_BE; + + return ring; +} + int b43_dma_tx(struct b43_wldev *dev, struct sk_buff *skb, struct ieee80211_tx_control *ctl) { @@ -1288,13 +1253,13 @@ int b43_dma_tx(struct b43_wldev *dev, hdr = (struct ieee80211_hdr *)skb->data; if (ctl->flags & IEEE80211_TXCTL_SEND_AFTER_DTIM) { /* The multicast ring will be sent after the DTIM */ - ring = dev->dma.tx_ring4; + ring = dev->dma.tx_ring_mcast; /* Set the more-data bit. Ucode will clear it on * the last frame for us. */ hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_MOREDATA); } else { /* Decide by priority where to put this frame. */ - ring = priority_to_txring(dev, ctl->queue); + ring = select_ring_by_priority(dev, ctl->queue); } spin_lock_irqsave(&ring->lock, flags); @@ -1309,6 +1274,11 @@ int b43_dma_tx(struct b43_wldev *dev, * That would be a mac80211 bug. */ B43_WARN_ON(ring->stopped); + /* Assign the queue number to the ring (if not already done before) + * so TX status handling can use it. The queue to ring mapping is + * static, so we don't need to store it per frame. */ + ring->queue_prio = ctl->queue; + err = dma_tx_fragment(ring, skb, ctl); if (unlikely(err == -ENOKEY)) { /* Drop this packet, as we don't have the encryption key @@ -1325,7 +1295,7 @@ int b43_dma_tx(struct b43_wldev *dev, if ((free_slots(ring) < SLOTS_PER_PACKET) || should_inject_overflow(ring)) { /* This TX ring is full. */ - ieee80211_stop_queue(dev->wl->hw, txring_to_priority(ring)); + ieee80211_stop_queue(dev->wl->hw, ctl->queue); ring->stopped = 1; if (b43_debug(dev, B43_DBG_DMAVERBOSE)) { b43dbg(dev->wl, "Stopped TX ring %d\n", ring->index); @@ -1337,6 +1307,38 @@ out_unlock: return err; } +static void b43_fill_txstatus_report(struct b43_dmaring *ring, + struct ieee80211_tx_status *report, + const struct b43_txstatus *status) +{ + bool frame_failed = 0; + + if (status->acked) { + /* The frame was ACKed. */ + report->flags |= IEEE80211_TX_STATUS_ACK; + } else { + /* The frame was not ACKed... */ + if (!(report->control.flags & IEEE80211_TXCTL_NO_ACK)) { + /* ...but we expected an ACK. */ + frame_failed = 1; + report->excessive_retries = 1; + } + } + if (status->frame_count == 0) { + /* The frame was not transmitted at all. */ + report->retry_count = 0; + } else { + report->retry_count = status->frame_count - 1; +#ifdef CONFIG_B43_DEBUG + if (frame_failed) + ring->nr_failed_tx_packets++; + else + ring->nr_succeed_tx_packets++; + ring->nr_total_packet_tries += status->frame_count; +#endif /* DEBUG */ + } +} + void b43_dma_handle_txstatus(struct b43_wldev *dev, const struct b43_txstatus *status) { @@ -1371,18 +1373,7 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev, * status of the transmission. * Some fields of txstat are already filled in dma_tx(). */ - if (status->acked) { - meta->txstat.flags |= IEEE80211_TX_STATUS_ACK; - } else { - if (!(meta->txstat.control.flags - & IEEE80211_TXCTL_NO_ACK)) - meta->txstat.excessive_retries = 1; - } - if (status->frame_count == 0) { - /* The frame was not transmitted at all. */ - meta->txstat.retry_count = 0; - } else - meta->txstat.retry_count = status->frame_count - 1; + b43_fill_txstatus_report(ring, &(meta->txstat), status); ieee80211_tx_status_irqsafe(dev->wl->hw, meta->skb, &(meta->txstat)); /* skb is freed by ieee80211_tx_status_irqsafe() */ @@ -1404,7 +1395,7 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev, dev->stats.last_tx = jiffies; if (ring->stopped) { B43_WARN_ON(free_slots(ring) < SLOTS_PER_PACKET); - ieee80211_wake_queue(dev->wl->hw, txring_to_priority(ring)); + ieee80211_wake_queue(dev->wl->hw, ring->queue_prio); ring->stopped = 0; if (b43_debug(dev, B43_DBG_DMAVERBOSE)) { b43dbg(dev->wl, "Woke up TX ring %d\n", ring->index); @@ -1425,7 +1416,7 @@ void b43_dma_get_tx_stats(struct b43_wldev *dev, for (i = 0; i < nr_queues; i++) { data = &(stats->data[i]); - ring = priority_to_txring(dev, i); + ring = select_ring_by_priority(dev, i); spin_lock_irqsave(&ring->lock, flags); data->len = ring->used_slots / SLOTS_PER_PACKET; @@ -1451,25 +1442,6 @@ static void dma_rx(struct b43_dmaring *ring, int *slot) sync_descbuffer_for_cpu(ring, meta->dmaaddr, ring->rx_buffersize); skb = meta->skb; - if (ring->index == 3) { - /* We received an xmit status. */ - struct b43_hwtxstatus *hw = (struct b43_hwtxstatus *)skb->data; - int i = 0; - - while (hw->cookie == 0) { - if (i > 100) - break; - i++; - udelay(2); - barrier(); - } - b43_handle_hwtxstatus(ring->dev, hw); - /* recycle the descriptor buffer. */ - sync_descbuffer_for_device(ring, meta->dmaaddr, - ring->rx_buffersize); - - return; - } rxhdr = (struct b43_rxhdr_fw4 *)skb->data; len = le16_to_cpu(rxhdr->frame_len); if (len == 0) { @@ -1526,7 +1498,7 @@ static void dma_rx(struct b43_dmaring *ring, int *slot) skb_pull(skb, ring->frameoffset); b43_rx(ring->dev, skb, rxhdr); - drop: +drop: return; } @@ -1572,21 +1544,19 @@ static void b43_dma_tx_resume_ring(struct b43_dmaring *ring) void b43_dma_tx_suspend(struct b43_wldev *dev) { b43_power_saving_ctl_bits(dev, B43_PS_AWAKE); - b43_dma_tx_suspend_ring(dev->dma.tx_ring0); - b43_dma_tx_suspend_ring(dev->dma.tx_ring1); - b43_dma_tx_suspend_ring(dev->dma.tx_ring2); - b43_dma_tx_suspend_ring(dev->dma.tx_ring3); - b43_dma_tx_suspend_ring(dev->dma.tx_ring4); - b43_dma_tx_suspend_ring(dev->dma.tx_ring5); + b43_dma_tx_suspend_ring(dev->dma.tx_ring_AC_BK); + b43_dma_tx_suspend_ring(dev->dma.tx_ring_AC_BE); + b43_dma_tx_suspend_ring(dev->dma.tx_ring_AC_VI); + b43_dma_tx_suspend_ring(dev->dma.tx_ring_AC_VO); + b43_dma_tx_suspend_ring(dev->dma.tx_ring_mcast); } void b43_dma_tx_resume(struct b43_wldev *dev) { - b43_dma_tx_resume_ring(dev->dma.tx_ring5); - b43_dma_tx_resume_ring(dev->dma.tx_ring4); - b43_dma_tx_resume_ring(dev->dma.tx_ring3); - b43_dma_tx_resume_ring(dev->dma.tx_ring2); - b43_dma_tx_resume_ring(dev->dma.tx_ring1); - b43_dma_tx_resume_ring(dev->dma.tx_ring0); + b43_dma_tx_resume_ring(dev->dma.tx_ring_mcast); + b43_dma_tx_resume_ring(dev->dma.tx_ring_AC_VO); + b43_dma_tx_resume_ring(dev->dma.tx_ring_AC_VI); + b43_dma_tx_resume_ring(dev->dma.tx_ring_AC_BE); + b43_dma_tx_resume_ring(dev->dma.tx_ring_AC_BK); b43_power_saving_ctl_bits(dev, 0); } diff --git a/drivers/net/wireless/b43/dma.h b/drivers/net/wireless/b43/dma.h index c0d6b69e6501..ea27085dec0e 100644 --- a/drivers/net/wireless/b43/dma.h +++ b/drivers/net/wireless/b43/dma.h @@ -245,6 +245,9 @@ struct b43_dmaring { enum b43_dmatype type; /* Boolean. Is this ring stopped at ieee80211 level? */ bool stopped; + /* The QOS priority assigned to this ring. Only used for TX rings. + * This is the mac80211 "queue" value. */ + u8 queue_prio; /* Lock, only used for TX. */ spinlock_t lock; struct b43_wldev *dev; @@ -253,7 +256,13 @@ struct b43_dmaring { int max_used_slots; /* Last time we injected a ring overflow. */ unsigned long last_injected_overflow; -#endif /* CONFIG_B43_DEBUG */ + /* Statistics: Number of successfully transmitted packets */ + u64 nr_succeed_tx_packets; + /* Statistics: Number of failed TX packets */ + u64 nr_failed_tx_packets; + /* Statistics: Total number of TX plus all retries. */ + u64 nr_total_packet_tries; +#endif /* CONFIG_B43_DEBUG */ }; static inline u32 b43_dma_read(struct b43_dmaring *ring, u16 offset) diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index f745308faaad..694e29570e5d 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -78,6 +78,11 @@ static int modparam_nohwcrypt; module_param_named(nohwcrypt, modparam_nohwcrypt, int, 0444); MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); +int b43_modparam_qos = 1; +module_param_named(qos, b43_modparam_qos, int, 0444); +MODULE_PARM_DESC(qos, "Enable QOS support (default on)"); + + static const struct ssb_device_id b43_ssb_tbl[] = { SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 5), SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 6), @@ -1589,11 +1594,10 @@ static void b43_interrupt_tasklet(struct b43_wldev *dev) /* Check the DMA reason registers for received data. */ if (dma_reason[0] & B43_DMAIRQ_RX_DONE) - b43_dma_rx(dev->dma.rx_ring0); - if (dma_reason[3] & B43_DMAIRQ_RX_DONE) - b43_dma_rx(dev->dma.rx_ring3); + b43_dma_rx(dev->dma.rx_ring); B43_WARN_ON(dma_reason[1] & B43_DMAIRQ_RX_DONE); B43_WARN_ON(dma_reason[2] & B43_DMAIRQ_RX_DONE); + B43_WARN_ON(dma_reason[3] & B43_DMAIRQ_RX_DONE); B43_WARN_ON(dma_reason[4] & B43_DMAIRQ_RX_DONE); B43_WARN_ON(dma_reason[5] & B43_DMAIRQ_RX_DONE); @@ -2708,10 +2712,178 @@ out: return NETDEV_TX_OK; } +/* Locking: wl->irq_lock */ +static void b43_qos_params_upload(struct b43_wldev *dev, + const struct ieee80211_tx_queue_params *p, + u16 shm_offset) +{ + u16 params[B43_NR_QOSPARAMS]; + int cw_min, cw_max, aifs, bslots, tmp; + unsigned int i; + + const u16 aCWmin = 0x0001; + const u16 aCWmax = 0x03FF; + + /* Calculate the default values for the parameters, if needed. */ + switch (shm_offset) { + case B43_QOS_VOICE: + aifs = (p->aifs == -1) ? 2 : p->aifs; + cw_min = (p->cw_min == 0) ? ((aCWmin + 1) / 4 - 1) : p->cw_min; + cw_max = (p->cw_max == 0) ? ((aCWmin + 1) / 2 - 1) : p->cw_max; + break; + case B43_QOS_VIDEO: + aifs = (p->aifs == -1) ? 2 : p->aifs; + cw_min = (p->cw_min == 0) ? ((aCWmin + 1) / 2 - 1) : p->cw_min; + cw_max = (p->cw_max == 0) ? aCWmin : p->cw_max; + break; + case B43_QOS_BESTEFFORT: + aifs = (p->aifs == -1) ? 3 : p->aifs; + cw_min = (p->cw_min == 0) ? aCWmin : p->cw_min; + cw_max = (p->cw_max == 0) ? aCWmax : p->cw_max; + break; + case B43_QOS_BACKGROUND: + aifs = (p->aifs == -1) ? 7 : p->aifs; + cw_min = (p->cw_min == 0) ? aCWmin : p->cw_min; + cw_max = (p->cw_max == 0) ? aCWmax : p->cw_max; + break; + default: + B43_WARN_ON(1); + return; + } + if (cw_min <= 0) + cw_min = aCWmin; + if (cw_max <= 0) + cw_max = aCWmin; + bslots = b43_read16(dev, B43_MMIO_RNG) % cw_min; + + memset(¶ms, 0, sizeof(params)); + + params[B43_QOSPARAM_TXOP] = p->txop * 32; + params[B43_QOSPARAM_CWMIN] = cw_min; + params[B43_QOSPARAM_CWMAX] = cw_max; + params[B43_QOSPARAM_CWCUR] = cw_min; + params[B43_QOSPARAM_AIFS] = aifs; + params[B43_QOSPARAM_BSLOTS] = bslots; + params[B43_QOSPARAM_REGGAP] = bslots + aifs; + + for (i = 0; i < ARRAY_SIZE(params); i++) { + if (i == B43_QOSPARAM_STATUS) { + tmp = b43_shm_read16(dev, B43_SHM_SHARED, + shm_offset + (i * 2)); + /* Mark the parameters as updated. */ + tmp |= 0x100; + b43_shm_write16(dev, B43_SHM_SHARED, + shm_offset + (i * 2), + tmp); + } else { + b43_shm_write16(dev, B43_SHM_SHARED, + shm_offset + (i * 2), + params[i]); + } + } +} + +/* Update the QOS parameters in hardware. */ +static void b43_qos_update(struct b43_wldev *dev) +{ + struct b43_wl *wl = dev->wl; + struct b43_qos_params *params; + unsigned long flags; + unsigned int i; + + /* Mapping of mac80211 queues to b43 SHM offsets. */ + static const u16 qos_shm_offsets[] = { + [0] = B43_QOS_VOICE, + [1] = B43_QOS_VIDEO, + [2] = B43_QOS_BESTEFFORT, + [3] = B43_QOS_BACKGROUND, + }; + BUILD_BUG_ON(ARRAY_SIZE(qos_shm_offsets) != ARRAY_SIZE(wl->qos_params)); + + b43_mac_suspend(dev); + spin_lock_irqsave(&wl->irq_lock, flags); + + for (i = 0; i < ARRAY_SIZE(wl->qos_params); i++) { + params = &(wl->qos_params[i]); + if (params->need_hw_update) { + b43_qos_params_upload(dev, &(params->p), + qos_shm_offsets[i]); + params->need_hw_update = 0; + } + } + + spin_unlock_irqrestore(&wl->irq_lock, flags); + b43_mac_enable(dev); +} + +static void b43_qos_clear(struct b43_wl *wl) +{ + struct b43_qos_params *params; + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(wl->qos_params); i++) { + params = &(wl->qos_params[i]); + + memset(&(params->p), 0, sizeof(params->p)); + params->p.aifs = -1; + params->need_hw_update = 1; + } +} + +/* Initialize the core's QOS capabilities */ +static void b43_qos_init(struct b43_wldev *dev) +{ + struct b43_wl *wl = dev->wl; + unsigned int i; + + /* Upload the current QOS parameters. */ + for (i = 0; i < ARRAY_SIZE(wl->qos_params); i++) + wl->qos_params[i].need_hw_update = 1; + b43_qos_update(dev); + + /* Enable QOS support. */ + b43_hf_write(dev, b43_hf_read(dev) | B43_HF_EDCF); + b43_write16(dev, B43_MMIO_IFSCTL, + b43_read16(dev, B43_MMIO_IFSCTL) + | B43_MMIO_IFSCTL_USE_EDCF); +} + +static void b43_qos_update_work(struct work_struct *work) +{ + struct b43_wl *wl = container_of(work, struct b43_wl, qos_update_work); + struct b43_wldev *dev; + + mutex_lock(&wl->mutex); + dev = wl->current_dev; + if (likely(dev && (b43_status(dev) >= B43_STAT_INITIALIZED))) + b43_qos_update(dev); + mutex_unlock(&wl->mutex); +} + static int b43_op_conf_tx(struct ieee80211_hw *hw, - int queue, + int _queue, const struct ieee80211_tx_queue_params *params) { + struct b43_wl *wl = hw_to_b43_wl(hw); + unsigned long flags; + unsigned int queue = (unsigned int)_queue; + struct b43_qos_params *p; + + if (queue >= ARRAY_SIZE(wl->qos_params)) { + /* Queue not available or don't support setting + * params on this queue. Return success to not + * confuse mac80211. */ + return 0; + } + + spin_lock_irqsave(&wl->irq_lock, flags); + p = &(wl->qos_params[queue]); + memcpy(&(p->p), params, sizeof(p->p)); + p->need_hw_update = 1; + spin_unlock_irqrestore(&wl->irq_lock, flags); + + queue_work(hw->workqueue, &wl->qos_update_work); + return 0; } @@ -3732,6 +3904,7 @@ static int b43_op_start(struct ieee80211_hw *hw) memset(wl->mac_addr, 0, ETH_ALEN); wl->filter_flags = 0; wl->radiotap_enabled = 0; + b43_qos_clear(wl); /* First register RFkill. * LEDs that are registered later depend on it. */ @@ -3773,6 +3946,7 @@ static void b43_op_stop(struct ieee80211_hw *hw) struct b43_wldev *dev = wl->current_dev; b43_rfkill_exit(dev); + cancel_work_sync(&(wl->qos_update_work)); mutex_lock(&wl->mutex); if (b43_status(dev) >= B43_STAT_STARTED) @@ -3835,6 +4009,16 @@ static int b43_op_ibss_beacon_update(struct ieee80211_hw *hw, return 0; } +static void b43_op_sta_notify(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + enum sta_notify_cmd notify_cmd, + const u8 *addr) +{ + struct b43_wl *wl = hw_to_b43_wl(hw); + + B43_WARN_ON(!vif || wl->vif != vif); +} + static const struct ieee80211_ops b43_hw_ops = { .tx = b43_op_tx, .conf_tx = b43_op_conf_tx, @@ -3851,6 +4035,7 @@ static const struct ieee80211_ops b43_hw_ops = { .set_retry_limit = b43_op_set_retry_limit, .set_tim = b43_op_beacon_set_tim, .beacon_update = b43_op_ibss_beacon_update, + .sta_notify = b43_op_sta_notify, }; /* Hard-reset the chip. Do not call this directly. @@ -4122,7 +4307,7 @@ static int b43_wireless_init(struct ssb_device *dev) hw->max_signal = 100; hw->max_rssi = -110; hw->max_noise = -110; - hw->queues = 1; /* FIXME: hardware has more queues */ + hw->queues = b43_modparam_qos ? 4 : 1; SET_IEEE80211_DEV(hw, dev->dev); if (is_valid_ether_addr(sprom->et1mac)) SET_IEEE80211_PERM_ADDR(hw, sprom->et1mac); @@ -4138,6 +4323,7 @@ static int b43_wireless_init(struct ssb_device *dev) spin_lock_init(&wl->shm_lock); mutex_init(&wl->mutex); INIT_LIST_HEAD(&wl->devlist); + INIT_WORK(&wl->qos_update_work, b43_qos_update_work); ssb_set_devtypedata(dev, wl); b43info(wl, "Broadcom %04X WLAN found\n", dev->bus->chip_id); diff --git a/drivers/net/wireless/b43/main.h b/drivers/net/wireless/b43/main.h index 24a79f5d6ff5..1197975f9207 100644 --- a/drivers/net/wireless/b43/main.h +++ b/drivers/net/wireless/b43/main.h @@ -38,6 +38,10 @@ /* Magic helper macro to pad structures. Ignore those above. It's magic. */ #define PAD_BYTES(nr_bytes) P4D_BYTES( __LINE__ , (nr_bytes)) + +extern int b43_modparam_qos; + + /* Lightweight function to convert a frequency (in Mhz) to a channel number. */ static inline u8 b43_freq_to_channel_5ghz(int freq) { diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c index 187c11bee0f1..ec10a8e182f9 100644 --- a/drivers/net/wireless/b43/xmit.c +++ b/drivers/net/wireless/b43/xmit.c @@ -705,30 +705,3 @@ void b43_tx_resume(struct b43_wldev *dev) { b43_dma_tx_resume(dev); } - -#if 0 -static void upload_qos_parms(struct b43_wldev *dev, - const u16 * parms, u16 offset) -{ - int i; - - for (i = 0; i < B43_NR_QOSPARMS; i++) { - b43_shm_write16(dev, B43_SHM_SHARED, - offset + (i * 2), parms[i]); - } -} -#endif - -/* Initialize the QoS parameters */ -void b43_qos_init(struct b43_wldev *dev) -{ - /* FIXME: This function must probably be called from the mac80211 - * config callback. */ - return; - - b43_hf_write(dev, b43_hf_read(dev) | B43_HF_EDCF); - //FIXME kill magic - b43_write16(dev, 0x688, b43_read16(dev, 0x688) | 0x4); - - /*TODO: We might need some stack support here to get the values. */ -} diff --git a/drivers/net/wireless/b43/xmit.h b/drivers/net/wireless/b43/xmit.h index 41765039552b..bf58a8a85258 100644 --- a/drivers/net/wireless/b43/xmit.h +++ b/drivers/net/wireless/b43/xmit.h @@ -302,18 +302,6 @@ void b43_handle_hwtxstatus(struct b43_wldev *dev, void b43_tx_suspend(struct b43_wldev *dev); void b43_tx_resume(struct b43_wldev *dev); -#define B43_NR_QOSPARMS 22 -enum { - B43_QOSPARM_TXOP = 0, - B43_QOSPARM_CWMIN, - B43_QOSPARM_CWMAX, - B43_QOSPARM_CWCUR, - B43_QOSPARM_AIFS, - B43_QOSPARM_BSLOTS, - B43_QOSPARM_REGGAP, - B43_QOSPARM_STATUS, -}; -void b43_qos_init(struct b43_wldev *dev); /* Helper functions for converting the key-table index from "firmware-format" * to "raw-format" and back. The firmware API changed for this at some revision. diff --git a/drivers/net/wireless/iwlwifi/Kconfig b/drivers/net/wireless/iwlwifi/Kconfig index 24c3e3ddafc6..5b7c0160e1fa 100644 --- a/drivers/net/wireless/iwlwifi/Kconfig +++ b/drivers/net/wireless/iwlwifi/Kconfig @@ -1,7 +1,12 @@ +config IWLCORE + tristate "Intel Wireless Wifi Core" + depends on PCI && MAC80211 && WLAN_80211 && EXPERIMENTAL + config IWL4965 tristate "Intel Wireless WiFi 4965AGN" depends on PCI && MAC80211 && WLAN_80211 && EXPERIMENTAL select FW_LOADER + select IWLCORE ---help--- Select to build the driver supporting the: diff --git a/drivers/net/wireless/iwlwifi/Makefile b/drivers/net/wireless/iwlwifi/Makefile index 3bbd38358d53..6b85cca9b3f1 100644 --- a/drivers/net/wireless/iwlwifi/Makefile +++ b/drivers/net/wireless/iwlwifi/Makefile @@ -1,3 +1,6 @@ +obj-$(CONFIG_IWLCORE) += iwlcore.o +iwlcore-objs = iwl-core.o + obj-$(CONFIG_IWL3945) += iwl3945.o iwl3945-objs = iwl3945-base.o iwl-3945.o iwl-3945-rs.o diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-commands.h b/drivers/net/wireless/iwlwifi/iwl-3945-commands.h index 20fbb32c33bd..8b7ef9f1b57b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945-commands.h +++ b/drivers/net/wireless/iwlwifi/iwl-3945-commands.h @@ -666,26 +666,26 @@ struct iwl3945_rx_frame_hdr { u8 payload[0]; } __attribute__ ((packed)); -#define RX_RES_STATUS_NO_CRC32_ERROR __constant_cpu_to_le32(1 << 0) -#define RX_RES_STATUS_NO_RXE_OVERFLOW __constant_cpu_to_le32(1 << 1) - -#define RX_RES_PHY_FLAGS_BAND_24_MSK __constant_cpu_to_le16(1 << 0) -#define RX_RES_PHY_FLAGS_MOD_CCK_MSK __constant_cpu_to_le16(1 << 1) -#define RX_RES_PHY_FLAGS_SHORT_PREAMBLE_MSK __constant_cpu_to_le16(1 << 2) -#define RX_RES_PHY_FLAGS_NARROW_BAND_MSK __constant_cpu_to_le16(1 << 3) -#define RX_RES_PHY_FLAGS_ANTENNA_MSK __constant_cpu_to_le16(0xf0) - -#define RX_RES_STATUS_SEC_TYPE_MSK (0x7 << 8) -#define RX_RES_STATUS_SEC_TYPE_NONE (0x0 << 8) -#define RX_RES_STATUS_SEC_TYPE_WEP (0x1 << 8) -#define RX_RES_STATUS_SEC_TYPE_CCMP (0x2 << 8) -#define RX_RES_STATUS_SEC_TYPE_TKIP (0x3 << 8) - -#define RX_RES_STATUS_DECRYPT_TYPE_MSK (0x3 << 11) -#define RX_RES_STATUS_NOT_DECRYPT (0x0 << 11) -#define RX_RES_STATUS_DECRYPT_OK (0x3 << 11) -#define RX_RES_STATUS_BAD_ICV_MIC (0x1 << 11) -#define RX_RES_STATUS_BAD_KEY_TTAK (0x2 << 11) +#define RX_RES_STATUS_NO_CRC32_ERROR __constant_cpu_to_le32(1 << 0) +#define RX_RES_STATUS_NO_RXE_OVERFLOW __constant_cpu_to_le32(1 << 1) + +#define RX_RES_PHY_FLAGS_BAND_24_MSK __constant_cpu_to_le16(1 << 0) +#define RX_RES_PHY_FLAGS_MOD_CCK_MSK __constant_cpu_to_le16(1 << 1) +#define RX_RES_PHY_FLAGS_SHORT_PREAMBLE_MSK __constant_cpu_to_le16(1 << 2) +#define RX_RES_PHY_FLAGS_NARROW_BAND_MSK __constant_cpu_to_le16(1 << 3) +#define RX_RES_PHY_FLAGS_ANTENNA_MSK __constant_cpu_to_le16(0xf0) + +#define RX_RES_STATUS_SEC_TYPE_MSK (0x7 << 8) +#define RX_RES_STATUS_SEC_TYPE_NONE (0x0 << 8) +#define RX_RES_STATUS_SEC_TYPE_WEP (0x1 << 8) +#define RX_RES_STATUS_SEC_TYPE_CCMP (0x2 << 8) +#define RX_RES_STATUS_SEC_TYPE_TKIP (0x3 << 8) + +#define RX_RES_STATUS_DECRYPT_TYPE_MSK (0x3 << 11) +#define RX_RES_STATUS_NOT_DECRYPT (0x0 << 11) +#define RX_RES_STATUS_DECRYPT_OK (0x3 << 11) +#define RX_RES_STATUS_BAD_ICV_MIC (0x1 << 11) +#define RX_RES_STATUS_BAD_KEY_TTAK (0x2 << 11) struct iwl3945_rx_frame_end { __le32 status; diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-core.h b/drivers/net/wireless/iwlwifi/iwl-3945-core.h new file mode 100644 index 000000000000..bc12f97ba0b1 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-3945-core.h @@ -0,0 +1,80 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2008 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Tomas Winkler <tomas.winkler@intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2005 - 2008 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + *****************************************************************************/ + +#ifndef __iwl_3945_dev_h__ +#define __iwl_3945_dev_h__ + +#define IWL_PCI_DEVICE(dev, subdev, cfg) \ + .vendor = PCI_VENDOR_ID_INTEL, .device = (dev), \ + .subvendor = PCI_ANY_ID, .subdevice = (subdev), \ + .driver_data = (kernel_ulong_t)&(cfg) + +#define IWL_SKU_G 0x1 +#define IWL_SKU_A 0x2 + +struct iwl_3945_cfg { + const char *name; + const char *fw_name; + unsigned int sku; +}; + +#endif /* __iwl_dev_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-debug.h b/drivers/net/wireless/iwlwifi/iwl-3945-debug.h index f853c6b9f76e..28ecfe8d39a3 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945-debug.h +++ b/drivers/net/wireless/iwlwifi/iwl-3945-debug.h @@ -40,6 +40,15 @@ do { if (iwl3945_debug_level & (level)) \ do { if ((iwl3945_debug_level & (level)) && net_ratelimit()) \ printk(KERN_ERR DRV_NAME": %c %s " fmt, \ in_interrupt() ? 'I' : 'U', __FUNCTION__ , ## args); } while (0) + +static inline void iwl3945_print_hex_dump(int level, void *p, u32 len) +{ + if (!(iwl3945_debug_level & level)) + return; + + print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1, + p, len, 1); +} #else static inline void IWL_DEBUG(int level, const char *fmt, ...) { @@ -47,7 +56,12 @@ static inline void IWL_DEBUG(int level, const char *fmt, ...) static inline void IWL_DEBUG_LIMIT(int level, const char *fmt, ...) { } -#endif /* CONFIG_IWL3945_DEBUG */ +static inline void iwl3945_print_hex_dump(int level, void *p, u32 len) +{ +} +#endif /* CONFIG_IWL3945_DEBUG */ + + /* * To use the debug system; @@ -143,6 +157,7 @@ static inline void IWL_DEBUG_LIMIT(int level, const char *fmt, ...) IWL_DEBUG_LIMIT(IWL_DL_ASSOC | IWL_DL_INFO, f, ## a) #define IWL_DEBUG_HT(f, a...) IWL_DEBUG(IWL_DL_HT, f, ## a) #define IWL_DEBUG_STATS(f, a...) IWL_DEBUG(IWL_DL_STATS, f, ## a) +#define IWL_DEBUG_STATS_LIMIT(f, a...) IWL_DEBUG_LIMIT(IWL_DL_STATS, f, ## a) #define IWL_DEBUG_TX_REPLY(f, a...) IWL_DEBUG(IWL_DL_TX_REPLY, f, ## a) #define IWL_DEBUG_QOS(f, a...) IWL_DEBUG(IWL_DL_QOS, f, ## a) #define IWL_DEBUG_RADIO(f, a...) IWL_DEBUG(IWL_DL_RADIO, f, ## a) diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-hw.h b/drivers/net/wireless/iwlwifi/iwl-3945-hw.h index 6693767adc9f..7dc19136f41a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945-hw.h +++ b/drivers/net/wireless/iwlwifi/iwl-3945-hw.h @@ -321,180 +321,6 @@ struct iwl3945_eeprom { #define PCI_REG_WUM8 0x0E8 #define PCI_CFG_PMC_PME_FROM_D3COLD_SUPPORT (0x80000000) -/*=== CSR (control and status registers) ===*/ -#define CSR_BASE (0x000) - -#define CSR_HW_IF_CONFIG_REG (CSR_BASE+0x000) /* hardware interface config */ -#define CSR_INT_COALESCING (CSR_BASE+0x004) /* accum ints, 32-usec units */ -#define CSR_INT (CSR_BASE+0x008) /* host interrupt status/ack */ -#define CSR_INT_MASK (CSR_BASE+0x00c) /* host interrupt enable */ -#define CSR_FH_INT_STATUS (CSR_BASE+0x010) /* busmaster int status/ack*/ -#define CSR_GPIO_IN (CSR_BASE+0x018) /* read external chip pins */ -#define CSR_RESET (CSR_BASE+0x020) /* busmaster enable, NMI, etc*/ -#define CSR_GP_CNTRL (CSR_BASE+0x024) - -/* - * Hardware revision info - * Bit fields: - * 31-8: Reserved - * 7-4: Type of device: 0x0 = 4965, 0xd = 3945 - * 3-2: Revision step: 0 = A, 1 = B, 2 = C, 3 = D - * 1-0: "Dash" value, as in A-1, etc. - */ -#define CSR_HW_REV (CSR_BASE+0x028) - -/* EEPROM reads */ -#define CSR_EEPROM_REG (CSR_BASE+0x02c) -#define CSR_EEPROM_GP (CSR_BASE+0x030) -#define CSR_GP_UCODE (CSR_BASE+0x044) -#define CSR_UCODE_DRV_GP1 (CSR_BASE+0x054) -#define CSR_UCODE_DRV_GP1_SET (CSR_BASE+0x058) -#define CSR_UCODE_DRV_GP1_CLR (CSR_BASE+0x05c) -#define CSR_UCODE_DRV_GP2 (CSR_BASE+0x060) -#define CSR_GIO_CHICKEN_BITS (CSR_BASE+0x100) - -/* Analog phase-lock-loop configuration (3945 only) - * Set bit 24. */ -#define CSR_ANA_PLL_CFG (CSR_BASE+0x20c) - -/* Bits for CSR_HW_IF_CONFIG_REG */ -#define CSR_HW_IF_CONFIG_REG_BIT_ALMAGOR_MB (0x00000100) -#define CSR_HW_IF_CONFIG_REG_BIT_ALMAGOR_MM (0x00000200) -#define CSR_HW_IF_CONFIG_REG_BIT_SKU_MRC (0x00000400) -#define CSR_HW_IF_CONFIG_REG_BIT_BOARD_TYPE (0x00000800) -#define CSR_HW_IF_CONFIG_REG_BITS_SILICON_TYPE_A (0x00000000) -#define CSR_HW_IF_CONFIG_REG_BITS_SILICON_TYPE_B (0x00001000) -#define CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM (0x00200000) - -/* interrupt flags in INTA, set by uCode or hardware (e.g. dma), - * acknowledged (reset) by host writing "1" to flagged bits. */ -#define CSR_INT_BIT_FH_RX (1 << 31) /* Rx DMA, cmd responses, FH_INT[17:16] */ -#define CSR_INT_BIT_HW_ERR (1 << 29) /* DMA hardware error FH_INT[31] */ -#define CSR_INT_BIT_DNLD (1 << 28) /* uCode Download */ -#define CSR_INT_BIT_FH_TX (1 << 27) /* Tx DMA FH_INT[1:0] */ -#define CSR_INT_BIT_SCD (1 << 26) /* TXQ pointer advanced */ -#define CSR_INT_BIT_SW_ERR (1 << 25) /* uCode error */ -#define CSR_INT_BIT_RF_KILL (1 << 7) /* HW RFKILL switch GP_CNTRL[27] toggled */ -#define CSR_INT_BIT_CT_KILL (1 << 6) /* Critical temp (chip too hot) rfkill */ -#define CSR_INT_BIT_SW_RX (1 << 3) /* Rx, command responses, 3945 */ -#define CSR_INT_BIT_WAKEUP (1 << 1) /* NIC controller waking up (pwr mgmt) */ -#define CSR_INT_BIT_ALIVE (1 << 0) /* uCode interrupts once it initializes */ - -#define CSR_INI_SET_MASK (CSR_INT_BIT_FH_RX | \ - CSR_INT_BIT_HW_ERR | \ - CSR_INT_BIT_FH_TX | \ - CSR_INT_BIT_SW_ERR | \ - CSR_INT_BIT_RF_KILL | \ - CSR_INT_BIT_SW_RX | \ - CSR_INT_BIT_WAKEUP | \ - CSR_INT_BIT_ALIVE) - -/* interrupt flags in FH (flow handler) (PCI busmaster DMA) */ -#define CSR_FH_INT_BIT_ERR (1 << 31) /* Error */ -#define CSR_FH_INT_BIT_HI_PRIOR (1 << 30) /* High priority Rx, bypass coalescing */ -#define CSR_FH_INT_BIT_RX_CHNL2 (1 << 18) /* Rx channel 2 (3945 only) */ -#define CSR_FH_INT_BIT_RX_CHNL1 (1 << 17) /* Rx channel 1 */ -#define CSR_FH_INT_BIT_RX_CHNL0 (1 << 16) /* Rx channel 0 */ -#define CSR_FH_INT_BIT_TX_CHNL6 (1 << 6) /* Tx channel 6 (3945 only) */ -#define CSR_FH_INT_BIT_TX_CHNL1 (1 << 1) /* Tx channel 1 */ -#define CSR_FH_INT_BIT_TX_CHNL0 (1 << 0) /* Tx channel 0 */ - -#define CSR_FH_INT_RX_MASK (CSR_FH_INT_BIT_HI_PRIOR | \ - CSR_FH_INT_BIT_RX_CHNL2 | \ - CSR_FH_INT_BIT_RX_CHNL1 | \ - CSR_FH_INT_BIT_RX_CHNL0) - -#define CSR_FH_INT_TX_MASK (CSR_FH_INT_BIT_TX_CHNL6 | \ - CSR_FH_INT_BIT_TX_CHNL1 | \ - CSR_FH_INT_BIT_TX_CHNL0) - - -/* RESET */ -#define CSR_RESET_REG_FLAG_NEVO_RESET (0x00000001) -#define CSR_RESET_REG_FLAG_FORCE_NMI (0x00000002) -#define CSR_RESET_REG_FLAG_SW_RESET (0x00000080) -#define CSR_RESET_REG_FLAG_MASTER_DISABLED (0x00000100) -#define CSR_RESET_REG_FLAG_STOP_MASTER (0x00000200) - -/* GP (general purpose) CONTROL */ -#define CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY (0x00000001) -#define CSR_GP_CNTRL_REG_FLAG_INIT_DONE (0x00000004) -#define CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ (0x00000008) -#define CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP (0x00000010) - -#define CSR_GP_CNTRL_REG_VAL_MAC_ACCESS_EN (0x00000001) - -#define CSR_GP_CNTRL_REG_MSK_POWER_SAVE_TYPE (0x07000000) -#define CSR_GP_CNTRL_REG_FLAG_MAC_POWER_SAVE (0x04000000) -#define CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW (0x08000000) - - -/* EEPROM REG */ -#define CSR_EEPROM_REG_READ_VALID_MSK (0x00000001) -#define CSR_EEPROM_REG_BIT_CMD (0x00000002) - -/* EEPROM GP */ -#define CSR_EEPROM_GP_VALID_MSK (0x00000006) -#define CSR_EEPROM_GP_BAD_SIGNATURE (0x00000000) -#define CSR_EEPROM_GP_IF_OWNER_MSK (0x00000180) - -/* UCODE DRV GP */ -#define CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP (0x00000001) -#define CSR_UCODE_SW_BIT_RFKILL (0x00000002) -#define CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED (0x00000004) -#define CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT (0x00000008) - -/* GPIO */ -#define CSR_GPIO_IN_BIT_AUX_POWER (0x00000200) -#define CSR_GPIO_IN_VAL_VAUX_PWR_SRC (0x00000000) -#define CSR_GPIO_IN_VAL_VMAIN_PWR_SRC CSR_GPIO_IN_BIT_AUX_POWER - -/* GI Chicken Bits */ -#define CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX (0x00800000) -#define CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER (0x20000000) - -/* CSR_ANA_PLL_CFG */ -#define CSR_ANA_PLL_CFG_SH (0x00880300) - -/*=== HBUS (Host-side Bus) ===*/ -#define HBUS_BASE (0x400) - -/* - * Registers for accessing device's internal SRAM memory (e.g. SCD SRAM - * structures, error log, event log, verifying uCode load). - * First write to address register, then read from or write to data register - * to complete the job. Once the address register is set up, accesses to - * data registers auto-increment the address by one dword. - * Bit usage for address registers (read or write): - * 0-31: memory address within device - */ -#define HBUS_TARG_MEM_RADDR (HBUS_BASE+0x00c) -#define HBUS_TARG_MEM_WADDR (HBUS_BASE+0x010) -#define HBUS_TARG_MEM_WDAT (HBUS_BASE+0x018) -#define HBUS_TARG_MEM_RDAT (HBUS_BASE+0x01c) - -/* - * Registers for accessing device's internal peripheral registers - * (e.g. SCD, BSM, etc.). First write to address register, - * then read from or write to data register to complete the job. - * Bit usage for address registers (read or write): - * 0-15: register address (offset) within device - * 24-25: (# bytes - 1) to read or write (e.g. 3 for dword) - */ -#define HBUS_TARG_PRPH_WADDR (HBUS_BASE+0x044) -#define HBUS_TARG_PRPH_RADDR (HBUS_BASE+0x048) -#define HBUS_TARG_PRPH_WDAT (HBUS_BASE+0x04c) -#define HBUS_TARG_PRPH_RDAT (HBUS_BASE+0x050) - -/* - * Per-Tx-queue write pointer (index, really!) (3945 and 4965). - * Indicates index to next TFD that driver will fill (1 past latest filled). - * Bit usage: - * 0-7: queue write index - * 11-8: queue selector - */ -#define HBUS_TARG_WRPTR (HBUS_BASE+0x060) - /* SCD (3945 Tx Frame Scheduler) */ #define SCD_BASE (CSR_BASE + 0x2E00) diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c index a8223c4cc97c..08604eb8291b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c @@ -158,9 +158,9 @@ static void iwl3945_clear_window(struct iwl3945_rate_scale_data *window) { window->data = 0; window->success_counter = 0; - window->success_ratio = IWL_INVALID_VALUE; + window->success_ratio = -1; window->counter = 0; - window->average_tpt = IWL_INVALID_VALUE; + window->average_tpt = IWL_INV_TPT; window->stamp = 0; } @@ -459,22 +459,23 @@ static void rs_tx_status(void *priv_rate, struct iwl3945_rs_sta *rs_sta; struct ieee80211_supported_band *sband; + IWL_DEBUG_RATE("enter\n"); + sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; - IWL_DEBUG_RATE("enter\n"); retries = tx_resp->retry_count; - /* FIXME : this is wrong */ - first_index = &sband->bitrates[0] - tx_resp->control.tx_rate; + first_index = tx_resp->control.tx_rate->hw_value; if ((first_index < 0) || (first_index >= IWL_RATE_COUNT)) { IWL_DEBUG_RATE("leave: Rate out of bounds: %d\n", first_index); return; } + rcu_read_lock(); + sta = sta_info_get(local, hdr->addr1); if (!sta || !sta->rate_ctrl_priv) { - if (sta) - sta_info_put(sta); + rcu_read_unlock(); IWL_DEBUG_RATE("leave: No STA priv data to update!\n"); return; } @@ -547,7 +548,7 @@ static void rs_tx_status(void *priv_rate, spin_unlock_irqrestore(&rs_sta->lock, flags); - sta_info_put(sta); + rcu_read_unlock(); IWL_DEBUG_RATE("leave\n"); @@ -633,7 +634,7 @@ static u16 iwl3945_get_adjacent_rate(struct iwl3945_rs_sta *rs_sta, * */ static void rs_get_rate(void *priv_rate, struct net_device *dev, - struct ieee80211_supported_band *band, + struct ieee80211_supported_band *sband, struct sk_buff *skb, struct rate_selection *sel) { @@ -643,9 +644,9 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev, int index; struct iwl3945_rs_sta *rs_sta; struct iwl3945_rate_scale_data *window = NULL; - int current_tpt = IWL_INVALID_VALUE; - int low_tpt = IWL_INVALID_VALUE; - int high_tpt = IWL_INVALID_VALUE; + int current_tpt = IWL_INV_TPT; + int low_tpt = IWL_INV_TPT; + int high_tpt = IWL_INV_TPT; u32 fail_count; s8 scale_action = 0; unsigned long flags; @@ -658,6 +659,8 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev, IWL_DEBUG_RATE("enter\n"); + rcu_read_lock(); + sta = sta_info_get(local, hdr->addr1); /* Send management frames and broadcast/multicast data using lowest @@ -667,16 +670,15 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev, is_multicast_ether_addr(hdr->addr1) || !sta || !sta->rate_ctrl_priv) { IWL_DEBUG_RATE("leave: No STA priv data to update!\n"); - sel->rate = rate_lowest(local, band, sta); - if (sta) - sta_info_put(sta); + sel->rate = rate_lowest(local, sband, sta); + rcu_read_unlock(); return; } - rate_mask = sta->supp_rates[band->band]; + rate_mask = sta->supp_rates[sband->band]; index = min(sta->last_txrate_idx & 0xffff, IWL_RATE_COUNT - 1); - if (priv->band == IEEE80211_BAND_5GHZ) + if (sband->band == IEEE80211_BAND_5GHZ) rate_mask = rate_mask << IWL_FIRST_OFDM_RATE; rs_sta = (void *)sta->rate_ctrl_priv; @@ -708,7 +710,7 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev, if (((fail_count <= IWL_RATE_MIN_FAILURE_TH) && (window->success_counter < IWL_RATE_MIN_SUCCESS_TH))) { - window->average_tpt = IWL_INVALID_VALUE; + window->average_tpt = IWL_INV_TPT; spin_unlock_irqrestore(&rs_sta->lock, flags); IWL_DEBUG_RATE("Invalid average_tpt on rate %d: " @@ -727,7 +729,7 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev, current_tpt = window->average_tpt; high_low = iwl3945_get_adjacent_rate(rs_sta, index, rate_mask, - band->band); + sband->band); low = high_low & 0xff; high = (high_low >> 8) & 0xff; @@ -744,19 +746,16 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev, if ((window->success_ratio < IWL_RATE_DECREASE_TH) || !current_tpt) { IWL_DEBUG_RATE("decrease rate because of low success_ratio\n"); scale_action = -1; - } else if ((low_tpt == IWL_INVALID_VALUE) && - (high_tpt == IWL_INVALID_VALUE)) + } else if ((low_tpt == IWL_INV_TPT) && (high_tpt == IWL_INV_TPT)) scale_action = 1; - else if ((low_tpt != IWL_INVALID_VALUE) && - (high_tpt != IWL_INVALID_VALUE) - && (low_tpt < current_tpt) - && (high_tpt < current_tpt)) { + else if ((low_tpt != IWL_INV_TPT) && (high_tpt != IWL_INV_TPT) && + (low_tpt < current_tpt) && (high_tpt < current_tpt)) { IWL_DEBUG_RATE("No action -- low [%d] & high [%d] < " "current_tpt [%d]\n", low_tpt, high_tpt, current_tpt); scale_action = 0; } else { - if (high_tpt != IWL_INVALID_VALUE) { + if (high_tpt != IWL_INV_TPT) { if (high_tpt > current_tpt) scale_action = 1; else { @@ -764,7 +763,7 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev, ("decrease rate because of high tpt\n"); scale_action = -1; } - } else if (low_tpt != IWL_INVALID_VALUE) { + } else if (low_tpt != IWL_INV_TPT) { if (low_tpt > current_tpt) { IWL_DEBUG_RATE ("decrease rate because of low tpt\n"); @@ -806,16 +805,16 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev, out: sta->last_txrate_idx = index; - if (priv->band == IEEE80211_BAND_5GHZ) + if (sband->band == IEEE80211_BAND_5GHZ) sta->txrate_idx = sta->last_txrate_idx - IWL_FIRST_OFDM_RATE; else sta->txrate_idx = sta->last_txrate_idx; - sta_info_put(sta); + rcu_read_unlock(); IWL_DEBUG_RATE("leave: %d\n", index); - sel->rate = &priv->ieee_rates[index]; + sel->rate = &sband->bitrates[sta->txrate_idx]; } static struct rate_control_ops rs_ops = { @@ -843,13 +842,15 @@ int iwl3945_fill_rs_info(struct ieee80211_hw *hw, char *buf, u8 sta_id) unsigned long now = jiffies; u32 max_time = 0; + rcu_read_lock(); + sta = sta_info_get(local, priv->stations[sta_id].sta.sta.addr); if (!sta || !sta->rate_ctrl_priv) { - if (sta) { - sta_info_put(sta); + if (sta) IWL_DEBUG_RATE("leave - no private rate data!\n"); - } else + else IWL_DEBUG_RATE("leave - no station!\n"); + rcu_read_unlock(); return sprintf(buf, "station %d not found\n", sta_id); } @@ -890,7 +891,7 @@ int iwl3945_fill_rs_info(struct ieee80211_hw *hw, char *buf, u8 sta_id) i = j; } spin_unlock_irqrestore(&rs_sta->lock, flags); - sta_info_put(sta); + rcu_read_unlock(); /* Display the average rate of all samples taken. * @@ -927,11 +928,12 @@ void iwl3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id) return; } + rcu_read_lock(); + sta = sta_info_get(local, priv->stations[sta_id].sta.sta.addr); if (!sta || !sta->rate_ctrl_priv) { - if (sta) - sta_info_put(sta); IWL_DEBUG_RATE("leave - no private rate data!\n"); + rcu_read_unlock(); return; } @@ -958,7 +960,7 @@ void iwl3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id) break; } - sta_info_put(sta); + rcu_read_unlock(); spin_unlock_irqrestore(&rs_sta->lock, flags); rssi = priv->last_rx_rssi; diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-rs.h b/drivers/net/wireless/iwlwifi/iwl-3945-rs.h index d5e9220f871d..b082a093ee26 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.h +++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.h @@ -36,8 +36,8 @@ struct iwl3945_rate_info { u8 next_rs; /* next rate used in rs algo */ u8 prev_rs_tgg; /* previous rate used in TGG rs algo */ u8 next_rs_tgg; /* next rate used in TGG rs algo */ - u8 table_rs_index; /* index in rate scale table cmd */ - u8 prev_table_rs; /* prev in rate table cmd */ + u8 table_rs_index; /* index in rate scale table cmd */ + u8 prev_table_rs; /* prev in rate table cmd */ }; /* @@ -159,7 +159,7 @@ enum { #define IWL_RATES_MASK ((1 << IWL_RATE_COUNT) - 1) -#define IWL_INVALID_VALUE -1 +#define IWL_INV_TPT -1 #define IWL_MIN_RSSI_VAL -100 #define IWL_MAX_RSSI_VAL 0 diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c index 82d282730b75..50a641c0c5b7 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945.c @@ -39,6 +39,7 @@ #include <asm/unaligned.h> #include <net/mac80211.h> +#include "iwl-3945-core.h" #include "iwl-3945.h" #include "iwl-helpers.h" #include "iwl-3945-rs.h" @@ -183,6 +184,16 @@ void iwl3945_disable_events(struct iwl3945_priv *priv) } +static int iwl3945_hwrate_to_plcp_idx(u8 plcp) +{ + int idx; + + for (idx = 0; idx < IWL_RATE_COUNT; idx++) + if (iwl3945_rates[idx].plcp == plcp) + return idx; + return -1; +} + /** * iwl3945_get_antenna_flags - Get antenna flags for RXON command * @priv: eeprom and antenna fields are used to determine antenna flags @@ -216,14 +227,126 @@ __le32 iwl3945_get_antenna_flags(const struct iwl3945_priv *priv) return 0; /* "diversity" is default if error */ } +#ifdef CONFIG_IWL3945_DEBUG +#define TX_STATUS_ENTRY(x) case TX_STATUS_FAIL_ ## x: return #x + +static const char *iwl3945_get_tx_fail_reason(u32 status) +{ + switch (status & TX_STATUS_MSK) { + case TX_STATUS_SUCCESS: + return "SUCCESS"; + TX_STATUS_ENTRY(SHORT_LIMIT); + TX_STATUS_ENTRY(LONG_LIMIT); + TX_STATUS_ENTRY(FIFO_UNDERRUN); + TX_STATUS_ENTRY(MGMNT_ABORT); + TX_STATUS_ENTRY(NEXT_FRAG); + TX_STATUS_ENTRY(LIFE_EXPIRE); + TX_STATUS_ENTRY(DEST_PS); + TX_STATUS_ENTRY(ABORTED); + TX_STATUS_ENTRY(BT_RETRY); + TX_STATUS_ENTRY(STA_INVALID); + TX_STATUS_ENTRY(FRAG_DROPPED); + TX_STATUS_ENTRY(TID_DISABLE); + TX_STATUS_ENTRY(FRAME_FLUSHED); + TX_STATUS_ENTRY(INSUFFICIENT_CF_POLL); + TX_STATUS_ENTRY(TX_LOCKED); + TX_STATUS_ENTRY(NO_BEACON_ON_RADAR); + } + + return "UNKNOWN"; +} +#else +static inline const char *iwl3945_get_tx_fail_reason(u32 status) +{ + return ""; +} +#endif + + +/** + * iwl3945_tx_queue_reclaim - Reclaim Tx queue entries already Tx'd + * + * When FW advances 'R' index, all entries between old and new 'R' index + * need to be reclaimed. As result, some free space forms. If there is + * enough free space (> low mark), wake the stack that feeds us. + */ +static void iwl3945_tx_queue_reclaim(struct iwl3945_priv *priv, + int txq_id, int index) +{ + struct iwl3945_tx_queue *txq = &priv->txq[txq_id]; + struct iwl3945_queue *q = &txq->q; + struct iwl3945_tx_info *tx_info; + + BUG_ON(txq_id == IWL_CMD_QUEUE_NUM); + + for (index = iwl_queue_inc_wrap(index, q->n_bd); q->read_ptr != index; + q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) { + + tx_info = &txq->txb[txq->q.read_ptr]; + ieee80211_tx_status_irqsafe(priv->hw, tx_info->skb[0], + &tx_info->status); + tx_info->skb[0] = NULL; + iwl3945_hw_txq_free_tfd(priv, txq); + } + + if (iwl3945_queue_space(q) > q->low_mark && (txq_id >= 0) && + (txq_id != IWL_CMD_QUEUE_NUM) && + priv->mac80211_registered) + ieee80211_wake_queue(priv->hw, txq_id); +} + +/** + * iwl3945_rx_reply_tx - Handle Tx response + */ +static void iwl3945_rx_reply_tx(struct iwl3945_priv *priv, + struct iwl3945_rx_mem_buffer *rxb) +{ + struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; + u16 sequence = le16_to_cpu(pkt->hdr.sequence); + int txq_id = SEQ_TO_QUEUE(sequence); + int index = SEQ_TO_INDEX(sequence); + struct iwl3945_tx_queue *txq = &priv->txq[txq_id]; + struct ieee80211_tx_status *tx_status; + struct iwl3945_tx_resp *tx_resp = (void *)&pkt->u.raw[0]; + u32 status = le32_to_cpu(tx_resp->status); + int rate_idx; + + if ((index >= txq->q.n_bd) || (iwl3945_x2_queue_used(&txq->q, index) == 0)) { + IWL_ERROR("Read index for DMA queue txq_id (%d) index %d " + "is out of range [0-%d] %d %d\n", txq_id, + index, txq->q.n_bd, txq->q.write_ptr, + txq->q.read_ptr); + return; + } + + tx_status = &(txq->txb[txq->q.read_ptr].status); + + tx_status->retry_count = tx_resp->failure_frame; + /* tx_status->rts_retry_count = tx_resp->failure_rts; */ + tx_status->flags = ((status & TX_STATUS_MSK) == TX_STATUS_SUCCESS) ? + IEEE80211_TX_STATUS_ACK : 0; + + IWL_DEBUG_TX("Tx queue %d Status %s (0x%08x) plcp rate %d retries %d\n", + txq_id, iwl3945_get_tx_fail_reason(status), status, + tx_resp->rate, tx_resp->failure_frame); + + rate_idx = iwl3945_hwrate_to_plcp_idx(tx_resp->rate); + tx_status->control.tx_rate = &priv->ieee_rates[rate_idx]; + IWL_DEBUG_TX_REPLY("Tx queue reclaim %d\n", index); + iwl3945_tx_queue_reclaim(priv, txq_id, index); + + if (iwl_check_bits(status, TX_ABORT_REQUIRED_MSK)) + IWL_ERROR("TODO: Implement Tx ABORT REQUIRED!!!\n"); +} + + + /***************************************************************************** * * Intel PRO/Wireless 3945ABG/BG Network Connection * * RX handler implementations * - * Used by iwl-base.c - * *****************************************************************************/ void iwl3945_hw_rx_statistics(struct iwl3945_priv *priv, struct iwl3945_rx_mem_buffer *rxb) @@ -238,6 +361,156 @@ void iwl3945_hw_rx_statistics(struct iwl3945_priv *priv, struct iwl3945_rx_mem_b priv->last_statistics_time = jiffies; } +/****************************************************************************** + * + * Misc. internal state and helper functions + * + ******************************************************************************/ +#ifdef CONFIG_IWL3945_DEBUG + +/** + * iwl3945_report_frame - dump frame to syslog during debug sessions + * + * You may hack this function to show different aspects of received frames, + * including selective frame dumps. + * group100 parameter selects whether to show 1 out of 100 good frames. + */ +static void iwl3945_dbg_report_frame(struct iwl3945_priv *priv, + struct iwl3945_rx_packet *pkt, + struct ieee80211_hdr *header, int group100) +{ + u32 to_us; + u32 print_summary = 0; + u32 print_dump = 0; /* set to 1 to dump all frames' contents */ + u32 hundred = 0; + u32 dataframe = 0; + u16 fc; + u16 seq_ctl; + u16 channel; + u16 phy_flags; + u16 length; + u16 status; + u16 bcn_tmr; + u32 tsf_low; + u64 tsf; + u8 rssi; + u8 agc; + u16 sig_avg; + u16 noise_diff; + struct iwl3945_rx_frame_stats *rx_stats = IWL_RX_STATS(pkt); + struct iwl3945_rx_frame_hdr *rx_hdr = IWL_RX_HDR(pkt); + struct iwl3945_rx_frame_end *rx_end = IWL_RX_END(pkt); + u8 *data = IWL_RX_DATA(pkt); + + /* MAC header */ + fc = le16_to_cpu(header->frame_control); + seq_ctl = le16_to_cpu(header->seq_ctrl); + + /* metadata */ + channel = le16_to_cpu(rx_hdr->channel); + phy_flags = le16_to_cpu(rx_hdr->phy_flags); + length = le16_to_cpu(rx_hdr->len); + + /* end-of-frame status and timestamp */ + status = le32_to_cpu(rx_end->status); + bcn_tmr = le32_to_cpu(rx_end->beacon_timestamp); + tsf_low = le64_to_cpu(rx_end->timestamp) & 0x0ffffffff; + tsf = le64_to_cpu(rx_end->timestamp); + + /* signal statistics */ + rssi = rx_stats->rssi; + agc = rx_stats->agc; + sig_avg = le16_to_cpu(rx_stats->sig_avg); + noise_diff = le16_to_cpu(rx_stats->noise_diff); + + to_us = !compare_ether_addr(header->addr1, priv->mac_addr); + + /* if data frame is to us and all is good, + * (optionally) print summary for only 1 out of every 100 */ + if (to_us && (fc & ~IEEE80211_FCTL_PROTECTED) == + (IEEE80211_FCTL_FROMDS | IEEE80211_FTYPE_DATA)) { + dataframe = 1; + if (!group100) + print_summary = 1; /* print each frame */ + else if (priv->framecnt_to_us < 100) { + priv->framecnt_to_us++; + print_summary = 0; + } else { + priv->framecnt_to_us = 0; + print_summary = 1; + hundred = 1; + } + } else { + /* print summary for all other frames */ + print_summary = 1; + } + + if (print_summary) { + char *title; + u32 rate; + + if (hundred) + title = "100Frames"; + else if (fc & IEEE80211_FCTL_RETRY) + title = "Retry"; + else if (ieee80211_is_assoc_response(fc)) + title = "AscRsp"; + else if (ieee80211_is_reassoc_response(fc)) + title = "RasRsp"; + else if (ieee80211_is_probe_response(fc)) { + title = "PrbRsp"; + print_dump = 1; /* dump frame contents */ + } else if (ieee80211_is_beacon(fc)) { + title = "Beacon"; + print_dump = 1; /* dump frame contents */ + } else if (ieee80211_is_atim(fc)) + title = "ATIM"; + else if (ieee80211_is_auth(fc)) + title = "Auth"; + else if (ieee80211_is_deauth(fc)) + title = "DeAuth"; + else if (ieee80211_is_disassoc(fc)) + title = "DisAssoc"; + else + title = "Frame"; + + rate = iwl3945_hwrate_to_plcp_idx(rx_hdr->rate); + if (rate == -1) + rate = 0; + else + rate = iwl3945_rates[rate].ieee / 2; + + /* print frame summary. + * MAC addresses show just the last byte (for brevity), + * but you can hack it to show more, if you'd like to. */ + if (dataframe) + IWL_DEBUG_RX("%s: mhd=0x%04x, dst=0x%02x, " + "len=%u, rssi=%d, chnl=%d, rate=%u, \n", + title, fc, header->addr1[5], + length, rssi, channel, rate); + else { + /* src/dst addresses assume managed mode */ + IWL_DEBUG_RX("%s: 0x%04x, dst=0x%02x, " + "src=0x%02x, rssi=%u, tim=%lu usec, " + "phy=0x%02x, chnl=%d\n", + title, fc, header->addr1[5], + header->addr3[5], rssi, + tsf_low - priv->scan_start_tsf, + phy_flags, channel); + } + } + if (print_dump) + iwl3945_print_hex_dump(IWL_DL_RX, data, length); +} +#else +static inline void iwl3945_dbg_report_frame(struct iwl3945_priv *priv, + struct iwl3945_rx_packet *pkt, + struct ieee80211_hdr *header, int group100) +{ +} +#endif + + static void iwl3945_add_radiotap(struct iwl3945_priv *priv, struct sk_buff *skb, struct iwl3945_rx_frame_hdr *rx_hdr, @@ -376,24 +649,28 @@ static void iwl3945_handle_data_packet(struct iwl3945_priv *priv, int is_data, static void iwl3945_rx_reply_rx(struct iwl3945_priv *priv, struct iwl3945_rx_mem_buffer *rxb) { + struct ieee80211_hdr *header; + struct ieee80211_rx_status rx_status; struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; struct iwl3945_rx_frame_stats *rx_stats = IWL_RX_STATS(pkt); struct iwl3945_rx_frame_hdr *rx_hdr = IWL_RX_HDR(pkt); struct iwl3945_rx_frame_end *rx_end = IWL_RX_END(pkt); - struct ieee80211_hdr *header; + int snr; u16 rx_stats_sig_avg = le16_to_cpu(rx_stats->sig_avg); u16 rx_stats_noise_diff = le16_to_cpu(rx_stats->noise_diff); - struct ieee80211_rx_status stats = { - .mactime = le64_to_cpu(rx_end->timestamp), - .freq = ieee80211chan2mhz(le16_to_cpu(rx_hdr->channel)), - .band = (rx_hdr->phy_flags & RX_RES_PHY_FLAGS_BAND_24_MSK) ? - IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ, - .antenna = 0, - .rate_idx = iwl3945_rate_index_from_plcp(rx_hdr->rate), - .flag = 0, - }; u8 network_packet; - int snr; + + rx_status.antenna = 0; + rx_status.flag = 0; + rx_status.mactime = le64_to_cpu(rx_end->timestamp); + rx_status.freq = ieee80211chan2mhz(le16_to_cpu(rx_hdr->channel)); + rx_status.band = (rx_hdr->phy_flags & RX_RES_PHY_FLAGS_BAND_24_MSK) ? + IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ; + + rx_status.rate_idx = iwl3945_hwrate_to_plcp_idx(rx_hdr->rate); + + if (rx_status.band == IEEE80211_BAND_5GHZ) + rx_status.rate_idx -= IWL_FIRST_OFDM_RATE; if ((unlikely(rx_stats->phy_count > 20))) { IWL_DEBUG_DROP @@ -409,12 +686,12 @@ static void iwl3945_rx_reply_rx(struct iwl3945_priv *priv, } if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR) { - iwl3945_handle_data_packet(priv, 1, rxb, &stats); + iwl3945_handle_data_packet(priv, 1, rxb, &rx_status); return; } /* Convert 3945's rssi indicator to dBm */ - stats.ssi = rx_stats->rssi - IWL_RSSI_OFFSET; + rx_status.ssi = rx_stats->rssi - IWL_RSSI_OFFSET; /* Set default noise value to -127 */ if (priv->last_rx_noise == 0) @@ -430,50 +707,47 @@ static void iwl3945_rx_reply_rx(struct iwl3945_priv *priv, * signal-to-noise ratio (SNR) is (sig_avg / noise_diff). * Convert linear SNR to dB SNR, then subtract that from rssi dBm * to obtain noise level in dBm. - * Calculate stats.signal (quality indicator in %) based on SNR. */ + * Calculate rx_status.signal (quality indicator in %) based on SNR. */ if (rx_stats_noise_diff) { snr = rx_stats_sig_avg / rx_stats_noise_diff; - stats.noise = stats.ssi - iwl3945_calc_db_from_ratio(snr); - stats.signal = iwl3945_calc_sig_qual(stats.ssi, stats.noise); + rx_status.noise = rx_status.ssi - + iwl3945_calc_db_from_ratio(snr); + rx_status.signal = iwl3945_calc_sig_qual(rx_status.ssi, + rx_status.noise); /* If noise info not available, calculate signal quality indicator (%) * using just the dBm signal level. */ } else { - stats.noise = priv->last_rx_noise; - stats.signal = iwl3945_calc_sig_qual(stats.ssi, 0); + rx_status.noise = priv->last_rx_noise; + rx_status.signal = iwl3945_calc_sig_qual(rx_status.ssi, 0); } IWL_DEBUG_STATS("Rssi %d noise %d qual %d sig_avg %d noise_diff %d\n", - stats.ssi, stats.noise, stats.signal, + rx_status.ssi, rx_status.noise, rx_status.signal, rx_stats_sig_avg, rx_stats_noise_diff); - /* can be covered by iwl3945_report_frame() in most cases */ -/* IWL_DEBUG_RX("RX status: 0x%08X\n", rx_end->status); */ - header = (struct ieee80211_hdr *)IWL_RX_DATA(pkt); network_packet = iwl3945_is_network_packet(priv, header); -#ifdef CONFIG_IWL3945_DEBUG - if (iwl3945_debug_level & IWL_DL_STATS && net_ratelimit()) - IWL_DEBUG_STATS - ("[%c] %d RSSI: %d Signal: %u, Noise: %u, Rate: %u\n", - network_packet ? '*' : ' ', - le16_to_cpu(rx_hdr->channel), - stats.ssi, stats.ssi, - stats.ssi, stats.rate_idx); + IWL_DEBUG_STATS_LIMIT("[%c] %d RSSI:%d Signal:%u, Noise:%u, Rate:%u\n", + network_packet ? '*' : ' ', + le16_to_cpu(rx_hdr->channel), + rx_status.ssi, rx_status.ssi, + rx_status.ssi, rx_status.rate_idx); +#ifdef CONFIG_IWL3945_DEBUG if (iwl3945_debug_level & (IWL_DL_RX)) /* Set "1" to report good data frames in groups of 100 */ - iwl3945_report_frame(priv, pkt, header, 1); + iwl3945_dbg_report_frame(priv, pkt, header, 1); #endif if (network_packet) { priv->last_beacon_time = le32_to_cpu(rx_end->beacon_timestamp); priv->last_tsf = le64_to_cpu(rx_end->timestamp); - priv->last_rx_rssi = stats.ssi; - priv->last_rx_noise = stats.noise; + priv->last_rx_rssi = rx_status.ssi; + priv->last_rx_noise = rx_status.noise; } switch (le16_to_cpu(header->frame_control) & IEEE80211_FCTL_FTYPE) { @@ -560,7 +834,7 @@ static void iwl3945_rx_reply_rx(struct iwl3945_priv *priv, } } - iwl3945_handle_data_packet(priv, 0, rxb, &stats); + iwl3945_handle_data_packet(priv, 0, rxb, &rx_status); break; case IEEE80211_FTYPE_CTL: @@ -577,7 +851,7 @@ static void iwl3945_rx_reply_rx(struct iwl3945_priv *priv, print_mac(mac2, header->addr2), print_mac(mac3, header->addr3)); else - iwl3945_handle_data_packet(priv, 1, rxb, &stats); + iwl3945_handle_data_packet(priv, 1, rxb, &rx_status); break; } } @@ -993,19 +1267,19 @@ int iwl3945_hw_nic_init(struct iwl3945_priv *priv) if (rev_id & PCI_CFG_REV_ID_BIT_RTP) IWL_DEBUG_INFO("RTP type \n"); else if (rev_id & PCI_CFG_REV_ID_BIT_BASIC_SKU) { - IWL_DEBUG_INFO("ALM-MB type\n"); + IWL_DEBUG_INFO("3945 RADIO-MB type\n"); iwl3945_set_bit(priv, CSR_HW_IF_CONFIG_REG, - CSR_HW_IF_CONFIG_REG_BIT_ALMAGOR_MB); + CSR39_HW_IF_CONFIG_REG_BIT_3945_MB); } else { - IWL_DEBUG_INFO("ALM-MM type\n"); + IWL_DEBUG_INFO("3945 RADIO-MM type\n"); iwl3945_set_bit(priv, CSR_HW_IF_CONFIG_REG, - CSR_HW_IF_CONFIG_REG_BIT_ALMAGOR_MM); + CSR39_HW_IF_CONFIG_REG_BIT_3945_MM); } if (EEPROM_SKU_CAP_OP_MODE_MRC == priv->eeprom.sku_cap) { IWL_DEBUG_INFO("SKU OP mode is mrc\n"); iwl3945_set_bit(priv, CSR_HW_IF_CONFIG_REG, - CSR_HW_IF_CONFIG_REG_BIT_SKU_MRC); + CSR39_HW_IF_CONFIG_REG_BIT_SKU_MRC); } else IWL_DEBUG_INFO("SKU OP mode is basic\n"); @@ -1013,24 +1287,24 @@ int iwl3945_hw_nic_init(struct iwl3945_priv *priv) IWL_DEBUG_INFO("3945ABG revision is 0x%X\n", priv->eeprom.board_revision); iwl3945_set_bit(priv, CSR_HW_IF_CONFIG_REG, - CSR_HW_IF_CONFIG_REG_BIT_BOARD_TYPE); + CSR39_HW_IF_CONFIG_REG_BIT_BOARD_TYPE); } else { IWL_DEBUG_INFO("3945ABG revision is 0x%X\n", priv->eeprom.board_revision); iwl3945_clear_bit(priv, CSR_HW_IF_CONFIG_REG, - CSR_HW_IF_CONFIG_REG_BIT_BOARD_TYPE); + CSR39_HW_IF_CONFIG_REG_BIT_BOARD_TYPE); } if (priv->eeprom.almgor_m_version <= 1) { iwl3945_set_bit(priv, CSR_HW_IF_CONFIG_REG, - CSR_HW_IF_CONFIG_REG_BITS_SILICON_TYPE_A); + CSR39_HW_IF_CONFIG_REG_BITS_SILICON_TYPE_A); IWL_DEBUG_INFO("Card M type A version is 0x%X\n", priv->eeprom.almgor_m_version); } else { IWL_DEBUG_INFO("Card M type B version is 0x%X\n", priv->eeprom.almgor_m_version); iwl3945_set_bit(priv, CSR_HW_IF_CONFIG_REG, - CSR_HW_IF_CONFIG_REG_BITS_SILICON_TYPE_B); + CSR39_HW_IF_CONFIG_REG_BITS_SILICON_TYPE_B); } spin_unlock_irqrestore(&priv->lock, flags); @@ -2348,6 +2622,7 @@ unsigned int iwl3945_hw_get_beacon_cmd(struct iwl3945_priv *priv, void iwl3945_hw_rx_handler_setup(struct iwl3945_priv *priv) { + priv->rx_handlers[REPLY_TX] = iwl3945_rx_reply_tx; priv->rx_handlers[REPLY_3945_RX] = iwl3945_rx_reply_rx; } @@ -2362,9 +2637,25 @@ void iwl3945_hw_cancel_deferred_work(struct iwl3945_priv *priv) cancel_delayed_work(&priv->thermal_periodic); } +static struct iwl_3945_cfg iwl3945_bg_cfg = { + .name = "3945BG", + .fw_name = "iwlwifi-3945" IWL3945_UCODE_API ".ucode", + .sku = IWL_SKU_G, +}; + +static struct iwl_3945_cfg iwl3945_abg_cfg = { + .name = "3945ABG", + .fw_name = "iwlwifi-3945" IWL3945_UCODE_API ".ucode", + .sku = IWL_SKU_A|IWL_SKU_G, +}; + struct pci_device_id iwl3945_hw_card_ids[] = { - {PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x4222)}, - {PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x4227)}, + {IWL_PCI_DEVICE(0x4222, 0x1005, iwl3945_bg_cfg)}, + {IWL_PCI_DEVICE(0x4222, 0x1034, iwl3945_bg_cfg)}, + {IWL_PCI_DEVICE(0x4222, 0x1044, iwl3945_bg_cfg)}, + {IWL_PCI_DEVICE(0x4227, 0x1014, iwl3945_bg_cfg)}, + {IWL_PCI_DEVICE(0x4222, PCI_ANY_ID, iwl3945_abg_cfg)}, + {IWL_PCI_DEVICE(0x4227, PCI_ANY_ID, iwl3945_abg_cfg)}, {0} }; diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.h b/drivers/net/wireless/iwlwifi/iwl-3945.h index dde389d31637..0ab22d366d93 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.h +++ b/drivers/net/wireless/iwlwifi/iwl-3945.h @@ -40,10 +40,17 @@ extern struct pci_device_id iwl3945_hw_card_ids[]; #define DRV_NAME "iwl3945" -#include "iwl-3945-hw.h" +#include "iwl-csr.h" #include "iwl-prph.h" +#include "iwl-3945-hw.h" #include "iwl-3945-debug.h" +/* Change firmware file name, using "-" and incrementing number, + * *only* when uCode interface or architecture changes so that it + * is not compatible with earlier drivers. + * This number will also appear in << 8 position of 1st dword of uCode file */ +#define IWL3945_UCODE_API "-1" + /* Default noise level to report when noise measurement is not available. * This may be because we're: * 1) Not associated (4965, no beacon statistics being sent to driver) @@ -109,6 +116,9 @@ struct iwl3945_queue { * space less than this */ } __attribute__ ((packed)); +int iwl3945_queue_space(const struct iwl3945_queue *q); +int iwl3945_x2_queue_used(const struct iwl3945_queue *q, int i); + #define MAX_NUM_OF_TBS (20) /* One for each TFD */ @@ -558,16 +568,6 @@ extern int iwl3945_is_network_packet(struct iwl3945_priv *priv, struct ieee80211_hdr *header); extern int iwl3945_power_init_handle(struct iwl3945_priv *priv); extern int iwl3945_eeprom_init(struct iwl3945_priv *priv); -#ifdef CONFIG_IWL3945_DEBUG -extern void iwl3945_report_frame(struct iwl3945_priv *priv, - struct iwl3945_rx_packet *pkt, - struct ieee80211_hdr *header, int group100); -#else -static inline void iwl3945_report_frame(struct iwl3945_priv *priv, - struct iwl3945_rx_packet *pkt, - struct ieee80211_hdr *header, - int group100) {} -#endif extern void iwl3945_handle_data_packet_monitor(struct iwl3945_priv *priv, struct iwl3945_rx_mem_buffer *rxb, void *data, short len, @@ -691,6 +691,7 @@ struct iwl3945_priv { struct ieee80211_hw *hw; struct ieee80211_channel *ieee_channels; struct ieee80211_rate *ieee_rates; + struct iwl_3945_cfg *cfg; /* device configuration */ /* temporary frame storage list */ struct list_head free_frames; @@ -800,7 +801,6 @@ struct iwl3945_priv { struct iwl3945_tx_queue txq[IWL_MAX_NUM_QUEUES]; unsigned long status; - u32 config; int last_rx_rssi; /* From Rx packet statisitics */ int last_rx_noise; /* From beacon statistics */ @@ -830,7 +830,6 @@ struct iwl3945_priv { int is_open; u8 mac80211_registered; - int is_abg; u32 notif_missed_beacons; @@ -950,16 +949,6 @@ static inline int is_channel_ibss(const struct iwl3945_channel_info *ch) return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0; } -static inline int iwl3945_rate_index_from_plcp(int plcp) -{ - int i; - - for (i = 0; i < IWL_RATE_COUNT; i++) - if (iwl3945_rates[i].plcp == plcp) - return i; - return -1; -} - extern const struct iwl3945_channel_info *iwl3945_get_channel_info( const struct iwl3945_priv *priv, enum ieee80211_band band, u16 channel); diff --git a/drivers/net/wireless/iwlwifi/iwl-4965-commands.h b/drivers/net/wireless/iwlwifi/iwl-4965-commands.h index b21ffea325cf..327eabce182c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965-commands.h +++ b/drivers/net/wireless/iwlwifi/iwl-4965-commands.h @@ -875,26 +875,26 @@ struct iwl4965_rx_frame_hdr { u8 payload[0]; } __attribute__ ((packed)); -#define RX_RES_STATUS_NO_CRC32_ERROR __constant_cpu_to_le32(1 << 0) -#define RX_RES_STATUS_NO_RXE_OVERFLOW __constant_cpu_to_le32(1 << 1) - -#define RX_RES_PHY_FLAGS_BAND_24_MSK __constant_cpu_to_le16(1 << 0) -#define RX_RES_PHY_FLAGS_MOD_CCK_MSK __constant_cpu_to_le16(1 << 1) -#define RX_RES_PHY_FLAGS_SHORT_PREAMBLE_MSK __constant_cpu_to_le16(1 << 2) -#define RX_RES_PHY_FLAGS_NARROW_BAND_MSK __constant_cpu_to_le16(1 << 3) -#define RX_RES_PHY_FLAGS_ANTENNA_MSK __constant_cpu_to_le16(0xf0) - -#define RX_RES_STATUS_SEC_TYPE_MSK (0x7 << 8) -#define RX_RES_STATUS_SEC_TYPE_NONE (0x0 << 8) -#define RX_RES_STATUS_SEC_TYPE_WEP (0x1 << 8) -#define RX_RES_STATUS_SEC_TYPE_CCMP (0x2 << 8) -#define RX_RES_STATUS_SEC_TYPE_TKIP (0x3 << 8) - -#define RX_RES_STATUS_DECRYPT_TYPE_MSK (0x3 << 11) -#define RX_RES_STATUS_NOT_DECRYPT (0x0 << 11) -#define RX_RES_STATUS_DECRYPT_OK (0x3 << 11) -#define RX_RES_STATUS_BAD_ICV_MIC (0x1 << 11) -#define RX_RES_STATUS_BAD_KEY_TTAK (0x2 << 11) +#define RX_RES_STATUS_NO_CRC32_ERROR __constant_cpu_to_le32(1 << 0) +#define RX_RES_STATUS_NO_RXE_OVERFLOW __constant_cpu_to_le32(1 << 1) + +#define RX_RES_PHY_FLAGS_BAND_24_MSK __constant_cpu_to_le16(1 << 0) +#define RX_RES_PHY_FLAGS_MOD_CCK_MSK __constant_cpu_to_le16(1 << 1) +#define RX_RES_PHY_FLAGS_SHORT_PREAMBLE_MSK __constant_cpu_to_le16(1 << 2) +#define RX_RES_PHY_FLAGS_NARROW_BAND_MSK __constant_cpu_to_le16(1 << 3) +#define RX_RES_PHY_FLAGS_ANTENNA_MSK __constant_cpu_to_le16(0xf0) + +#define RX_RES_STATUS_SEC_TYPE_MSK (0x7 << 8) +#define RX_RES_STATUS_SEC_TYPE_NONE (0x0 << 8) +#define RX_RES_STATUS_SEC_TYPE_WEP (0x1 << 8) +#define RX_RES_STATUS_SEC_TYPE_CCMP (0x2 << 8) +#define RX_RES_STATUS_SEC_TYPE_TKIP (0x3 << 8) + +#define RX_RES_STATUS_DECRYPT_TYPE_MSK (0x3 << 11) +#define RX_RES_STATUS_NOT_DECRYPT (0x0 << 11) +#define RX_RES_STATUS_DECRYPT_OK (0x3 << 11) +#define RX_RES_STATUS_BAD_ICV_MIC (0x1 << 11) +#define RX_RES_STATUS_BAD_KEY_TTAK (0x2 << 11) struct iwl4965_rx_frame_end { __le32 status; diff --git a/drivers/net/wireless/iwlwifi/iwl-4965-debug.h b/drivers/net/wireless/iwlwifi/iwl-4965-debug.h index 36696bbf170c..baf07c715cf8 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965-debug.h +++ b/drivers/net/wireless/iwlwifi/iwl-4965-debug.h @@ -40,15 +40,30 @@ do { if (iwl4965_debug_level & (level)) \ do { if ((iwl4965_debug_level & (level)) && net_ratelimit()) \ printk(KERN_ERR DRV_NAME": %c %s " fmt, \ in_interrupt() ? 'I' : 'U', __FUNCTION__ , ## args); } while (0) + +static inline void iwl4965_print_hex_dump(int level, void *p, u32 len) +{ + if (!(iwl4965_debug_level & level)) + return; + + print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1, + p, len, 1); +} #else + static inline void IWL_DEBUG(int level, const char *fmt, ...) { } static inline void IWL_DEBUG_LIMIT(int level, const char *fmt, ...) { } +static inline void iwl4965_print_hex_dump(int level, void *p, u32 len) +{ +} #endif /* CONFIG_IWL4965_DEBUG */ + + /* * To use the debug system; * @@ -143,6 +158,7 @@ static inline void IWL_DEBUG_LIMIT(int level, const char *fmt, ...) IWL_DEBUG_LIMIT(IWL_DL_ASSOC | IWL_DL_INFO, f, ## a) #define IWL_DEBUG_HT(f, a...) IWL_DEBUG(IWL_DL_HT, f, ## a) #define IWL_DEBUG_STATS(f, a...) IWL_DEBUG(IWL_DL_STATS, f, ## a) +#define IWL_DEBUG_STATS_LIMIT(f, a...) IWL_DEBUG_LIMIT(IWL_DL_STATS, f, ## a) #define IWL_DEBUG_TX_REPLY(f, a...) IWL_DEBUG(IWL_DL_TX_REPLY, f, ## a) #define IWL_DEBUG_QOS(f, a...) IWL_DEBUG(IWL_DL_QOS, f, ## a) #define IWL_DEBUG_RADIO(f, a...) IWL_DEBUG(IWL_DL_RADIO, f, ## a) diff --git a/drivers/net/wireless/iwlwifi/iwl-4965-hw.h b/drivers/net/wireless/iwlwifi/iwl-4965-hw.h index cc726215ab93..24413a479a3f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965-hw.h +++ b/drivers/net/wireless/iwlwifi/iwl-4965-hw.h @@ -410,181 +410,6 @@ struct iwl4965_eeprom { #define PCI_REG_WUM8 0x0E8 #define PCI_CFG_PMC_PME_FROM_D3COLD_SUPPORT (0x80000000) -/*=== CSR (control and status registers) ===*/ -#define CSR_BASE (0x000) - -#define CSR_HW_IF_CONFIG_REG (CSR_BASE+0x000) /* hardware interface config */ -#define CSR_INT_COALESCING (CSR_BASE+0x004) /* accum ints, 32-usec units */ -#define CSR_INT (CSR_BASE+0x008) /* host interrupt status/ack */ -#define CSR_INT_MASK (CSR_BASE+0x00c) /* host interrupt enable */ -#define CSR_FH_INT_STATUS (CSR_BASE+0x010) /* busmaster int status/ack*/ -#define CSR_GPIO_IN (CSR_BASE+0x018) /* read external chip pins */ -#define CSR_RESET (CSR_BASE+0x020) /* busmaster enable, NMI, etc*/ -#define CSR_GP_CNTRL (CSR_BASE+0x024) - -/* - * Hardware revision info - * Bit fields: - * 31-8: Reserved - * 7-4: Type of device: 0x0 = 4965, 0xd = 3945 - * 3-2: Revision step: 0 = A, 1 = B, 2 = C, 3 = D - * 1-0: "Dash" value, as in A-1, etc. - * - * NOTE: Revision step affects calculation of CCK txpower for 4965. - */ -#define CSR_HW_REV (CSR_BASE+0x028) - -/* EEPROM reads */ -#define CSR_EEPROM_REG (CSR_BASE+0x02c) -#define CSR_EEPROM_GP (CSR_BASE+0x030) -#define CSR_GP_UCODE (CSR_BASE+0x044) -#define CSR_UCODE_DRV_GP1 (CSR_BASE+0x054) -#define CSR_UCODE_DRV_GP1_SET (CSR_BASE+0x058) -#define CSR_UCODE_DRV_GP1_CLR (CSR_BASE+0x05c) -#define CSR_UCODE_DRV_GP2 (CSR_BASE+0x060) -#define CSR_GIO_CHICKEN_BITS (CSR_BASE+0x100) - -/* - * Indicates hardware rev, to determine CCK backoff for txpower calculation. - * Bit fields: - * 3-2: 0 = A, 1 = B, 2 = C, 3 = D step - */ -#define CSR_HW_REV_WA_REG (CSR_BASE+0x22C) - -/* Hardware interface configuration bits */ -#define CSR_HW_IF_CONFIG_REG_BIT_KEDRON_R (0x00000010) -#define CSR_HW_IF_CONFIG_REG_MSK_BOARD_VER (0x00000C00) -#define CSR_HW_IF_CONFIG_REG_BIT_MAC_SI (0x00000100) -#define CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI (0x00000200) -#define CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM (0x00200000) - -/* interrupt flags in INTA, set by uCode or hardware (e.g. dma), - * acknowledged (reset) by host writing "1" to flagged bits. */ -#define CSR_INT_BIT_FH_RX (1 << 31) /* Rx DMA, cmd responses, FH_INT[17:16] */ -#define CSR_INT_BIT_HW_ERR (1 << 29) /* DMA hardware error FH_INT[31] */ -#define CSR_INT_BIT_DNLD (1 << 28) /* uCode Download */ -#define CSR_INT_BIT_FH_TX (1 << 27) /* Tx DMA FH_INT[1:0] */ -#define CSR_INT_BIT_SCD (1 << 26) /* TXQ pointer advanced */ -#define CSR_INT_BIT_SW_ERR (1 << 25) /* uCode error */ -#define CSR_INT_BIT_RF_KILL (1 << 7) /* HW RFKILL switch GP_CNTRL[27] toggled */ -#define CSR_INT_BIT_CT_KILL (1 << 6) /* Critical temp (chip too hot) rfkill */ -#define CSR_INT_BIT_SW_RX (1 << 3) /* Rx, command responses, 3945 */ -#define CSR_INT_BIT_WAKEUP (1 << 1) /* NIC controller waking up (pwr mgmt) */ -#define CSR_INT_BIT_ALIVE (1 << 0) /* uCode interrupts once it initializes */ - -#define CSR_INI_SET_MASK (CSR_INT_BIT_FH_RX | \ - CSR_INT_BIT_HW_ERR | \ - CSR_INT_BIT_FH_TX | \ - CSR_INT_BIT_SW_ERR | \ - CSR_INT_BIT_RF_KILL | \ - CSR_INT_BIT_SW_RX | \ - CSR_INT_BIT_WAKEUP | \ - CSR_INT_BIT_ALIVE) - -/* interrupt flags in FH (flow handler) (PCI busmaster DMA) */ -#define CSR_FH_INT_BIT_ERR (1 << 31) /* Error */ -#define CSR_FH_INT_BIT_HI_PRIOR (1 << 30) /* High priority Rx, bypass coalescing */ -#define CSR_FH_INT_BIT_RX_CHNL1 (1 << 17) /* Rx channel 1 */ -#define CSR_FH_INT_BIT_RX_CHNL0 (1 << 16) /* Rx channel 0 */ -#define CSR_FH_INT_BIT_TX_CHNL1 (1 << 1) /* Tx channel 1 */ -#define CSR_FH_INT_BIT_TX_CHNL0 (1 << 0) /* Tx channel 0 */ - -#define CSR_FH_INT_RX_MASK (CSR_FH_INT_BIT_HI_PRIOR | \ - CSR_FH_INT_BIT_RX_CHNL1 | \ - CSR_FH_INT_BIT_RX_CHNL0) - -#define CSR_FH_INT_TX_MASK (CSR_FH_INT_BIT_TX_CHNL1 | \ - CSR_FH_INT_BIT_TX_CHNL0) - - -/* RESET */ -#define CSR_RESET_REG_FLAG_NEVO_RESET (0x00000001) -#define CSR_RESET_REG_FLAG_FORCE_NMI (0x00000002) -#define CSR_RESET_REG_FLAG_SW_RESET (0x00000080) -#define CSR_RESET_REG_FLAG_MASTER_DISABLED (0x00000100) -#define CSR_RESET_REG_FLAG_STOP_MASTER (0x00000200) - -/* GP (general purpose) CONTROL */ -#define CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY (0x00000001) -#define CSR_GP_CNTRL_REG_FLAG_INIT_DONE (0x00000004) -#define CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ (0x00000008) -#define CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP (0x00000010) - -#define CSR_GP_CNTRL_REG_VAL_MAC_ACCESS_EN (0x00000001) - -#define CSR_GP_CNTRL_REG_MSK_POWER_SAVE_TYPE (0x07000000) -#define CSR_GP_CNTRL_REG_FLAG_MAC_POWER_SAVE (0x04000000) -#define CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW (0x08000000) - - -/* EEPROM REG */ -#define CSR_EEPROM_REG_READ_VALID_MSK (0x00000001) -#define CSR_EEPROM_REG_BIT_CMD (0x00000002) - -/* EEPROM GP */ -#define CSR_EEPROM_GP_VALID_MSK (0x00000006) -#define CSR_EEPROM_GP_BAD_SIGNATURE (0x00000000) -#define CSR_EEPROM_GP_IF_OWNER_MSK (0x00000180) - -/* UCODE DRV GP */ -#define CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP (0x00000001) -#define CSR_UCODE_SW_BIT_RFKILL (0x00000002) -#define CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED (0x00000004) -#define CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT (0x00000008) - -/* GPIO */ -#define CSR_GPIO_IN_BIT_AUX_POWER (0x00000200) -#define CSR_GPIO_IN_VAL_VAUX_PWR_SRC (0x00000000) -#define CSR_GPIO_IN_VAL_VMAIN_PWR_SRC CSR_GPIO_IN_BIT_AUX_POWER - -/* GI Chicken Bits */ -#define CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX (0x00800000) -#define CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER (0x20000000) - -/*=== HBUS (Host-side Bus) ===*/ -#define HBUS_BASE (0x400) - -/* - * Registers for accessing device's internal SRAM memory (e.g. SCD SRAM - * structures, error log, event log, verifying uCode load). - * First write to address register, then read from or write to data register - * to complete the job. Once the address register is set up, accesses to - * data registers auto-increment the address by one dword. - * Bit usage for address registers (read or write): - * 0-31: memory address within device - */ -#define HBUS_TARG_MEM_RADDR (HBUS_BASE+0x00c) -#define HBUS_TARG_MEM_WADDR (HBUS_BASE+0x010) -#define HBUS_TARG_MEM_WDAT (HBUS_BASE+0x018) -#define HBUS_TARG_MEM_RDAT (HBUS_BASE+0x01c) - -/* - * Registers for accessing device's internal peripheral registers - * (e.g. SCD, BSM, etc.). First write to address register, - * then read from or write to data register to complete the job. - * Bit usage for address registers (read or write): - * 0-15: register address (offset) within device - * 24-25: (# bytes - 1) to read or write (e.g. 3 for dword) - */ -#define HBUS_TARG_PRPH_WADDR (HBUS_BASE+0x044) -#define HBUS_TARG_PRPH_RADDR (HBUS_BASE+0x048) -#define HBUS_TARG_PRPH_WDAT (HBUS_BASE+0x04c) -#define HBUS_TARG_PRPH_RDAT (HBUS_BASE+0x050) - -/* - * Per-Tx-queue write pointer (index, really!) (3945 and 4965). - * Driver sets this to indicate index to next TFD that driver will fill - * (1 past latest filled). - * Bit usage: - * 0-7: queue write index (0-255) - * 11-8: queue selector (0-15) - */ -#define HBUS_TARG_WRPTR (HBUS_BASE+0x060) - -#define HBUS_TARG_MBX_C (HBUS_BASE+0x030) - -#define HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED (0x00000004) - #define TFD_QUEUE_SIZE_MAX (256) #define IWL_NUM_SCAN_RATES (2) diff --git a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c index 48a6a85355ec..25e73864c2a4 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c @@ -570,7 +570,7 @@ static int rs_get_tbl_info_from_mcs(const struct iwl4965_rate *mcs_rate, int index; u32 ant_msk; - index = iwl4965_rate_index_from_plcp(mcs_rate->rate_n_flags); + index = iwl4965_hwrate_to_plcp_idx(mcs_rate->rate_n_flags); if (index == IWL_RATE_INVALID) { *rate_idx = -1; @@ -823,6 +823,7 @@ static void rs_tx_status(void *priv_rate, struct net_device *dev, struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct iwl4965_priv *priv = (struct iwl4965_priv *)priv_rate; struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct ieee80211_hw *hw = local_to_hw(local); struct iwl4965_rate_scale_data *window = NULL; struct iwl4965_rate_scale_data *search_win = NULL; struct iwl4965_rate tx_mcs; @@ -847,23 +848,22 @@ static void rs_tx_status(void *priv_rate, struct net_device *dev, if (retries > 15) retries = 15; + rcu_read_lock(); sta = sta_info_get(local, hdr->addr1); - if (!sta || !sta->rate_ctrl_priv) { - if (sta) - sta_info_put(sta); - return; - } + if (!sta || !sta->rate_ctrl_priv) + goto out; + lq_sta = (struct iwl4965_lq_sta *)sta->rate_ctrl_priv; if (!priv->lq_mngr.lq_ready) - return; + goto out; if ((priv->iw_mode == IEEE80211_IF_TYPE_IBSS) && !lq_sta->ibss_sta_added) - return; + goto out; table = &lq_sta->lq; active_index = lq_sta->active_tbl; @@ -884,17 +884,6 @@ static void rs_tx_status(void *priv_rate, struct net_device *dev, search_win = (struct iwl4965_rate_scale_data *) &(search_tbl->win[0]); - tx_mcs.rate_n_flags = tx_resp->control.tx_rate->hw_value; - - rs_get_tbl_info_from_mcs(&tx_mcs, priv->band, - &tbl_type, &rs_index); - if ((rs_index < 0) || (rs_index >= IWL_RATE_COUNT)) { - IWL_DEBUG_RATE("bad rate index at: %d rate 0x%X\n", - rs_index, tx_mcs.rate_n_flags); - sta_info_put(sta); - return; - } - /* * Ignore this Tx frame response if its initial rate doesn't match * that of latest Link Quality command. There may be stragglers @@ -903,14 +892,29 @@ static void rs_tx_status(void *priv_rate, struct net_device *dev, * to check "search" mode, or a prior "search" mode after we've moved * to a new "search" mode (which might become the new "active" mode). */ - if (retries && - (tx_mcs.rate_n_flags != - le32_to_cpu(table->rs_table[0].rate_n_flags))) { - IWL_DEBUG_RATE("initial rate does not match 0x%x 0x%x\n", - tx_mcs.rate_n_flags, - le32_to_cpu(table->rs_table[0].rate_n_flags)); - sta_info_put(sta); - return; + tx_mcs.rate_n_flags = le32_to_cpu(table->rs_table[0].rate_n_flags); + rs_get_tbl_info_from_mcs(&tx_mcs, priv->band, &tbl_type, &rs_index); + if (priv->band == IEEE80211_BAND_5GHZ) + rs_index -= IWL_FIRST_OFDM_RATE; + + if ((tx_resp->control.tx_rate == NULL) || + (tbl_type.is_SGI ^ + !!(tx_resp->control.flags & IEEE80211_TXCTL_SHORT_GI)) || + (tbl_type.is_fat ^ + !!(tx_resp->control.flags & IEEE80211_TXCTL_40_MHZ_WIDTH)) || + (tbl_type.is_dup ^ + !!(tx_resp->control.flags & IEEE80211_TXCTL_DUP_DATA)) || + (tbl_type.antenna_type ^ + tx_resp->control.antenna_sel_tx) || + (!!(tx_mcs.rate_n_flags & RATE_MCS_HT_MSK) ^ + !!(tx_resp->control.flags & IEEE80211_TXCTL_OFDM_HT)) || + (!!(tx_mcs.rate_n_flags & RATE_MCS_GF_MSK) ^ + !!(tx_resp->control.flags & IEEE80211_TXCTL_GREEN_FIELD)) || + (hw->wiphy->bands[priv->band]->bitrates[rs_index].bitrate != + tx_resp->control.tx_rate->bitrate)) { + IWL_DEBUG_RATE("initial rate does not match 0x%x\n", + tx_mcs.rate_n_flags); + goto out; } /* Update frame history window with "failure" for each Tx retry. */ @@ -959,14 +963,8 @@ static void rs_tx_status(void *priv_rate, struct net_device *dev, * if Tx was successful first try, use original rate, * else look up the rate that was, finally, successful. */ - if (!tx_resp->retry_count) - tx_mcs.rate_n_flags = tx_resp->control.tx_rate->hw_value; - else - tx_mcs.rate_n_flags = - le32_to_cpu(table->rs_table[index].rate_n_flags); - - rs_get_tbl_info_from_mcs(&tx_mcs, priv->band, - &tbl_type, &rs_index); + tx_mcs.rate_n_flags = le32_to_cpu(table->rs_table[index].rate_n_flags); + rs_get_tbl_info_from_mcs(&tx_mcs, priv->band, &tbl_type, &rs_index); /* Update frame history window with "success" if Tx got ACKed ... */ if (tx_resp->flags & IEEE80211_TX_STATUS_ACK) @@ -1025,7 +1023,8 @@ static void rs_tx_status(void *priv_rate, struct net_device *dev, /* See if there's a better rate or modulation mode to try. */ rs_rate_scale_perform(priv, dev, hdr, sta); - sta_info_put(sta); +out: + rcu_read_unlock(); return; } @@ -1921,7 +1920,7 @@ static void rs_rate_scale_perform(struct iwl4965_priv *priv, tbl = &(lq_sta->lq_info[active_tbl]); /* Revert to "active" rate and throughput info */ - index = iwl4965_rate_index_from_plcp( + index = iwl4965_hwrate_to_plcp_idx( tbl->current_rate.rate_n_flags); current_tpt = lq_sta->last_tpt; @@ -2077,7 +2076,7 @@ static void rs_rate_scale_perform(struct iwl4965_priv *priv, rs_rate_scale_clear_window(&(tbl->win[i])); /* Use new "search" start rate */ - index = iwl4965_rate_index_from_plcp( + index = iwl4965_hwrate_to_plcp_idx( tbl->current_rate.rate_n_flags); IWL_DEBUG_HT("Switch current mcs: %X index: %d\n", @@ -2219,6 +2218,8 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev, IWL_DEBUG_RATE_LIMIT("rate scale calculate new rate for skb\n"); + rcu_read_lock(); + sta = sta_info_get(local, hdr->addr1); /* Send management frames and broadcast/multicast data using lowest @@ -2227,9 +2228,7 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev, if (!ieee80211_is_data(fc) || is_multicast_ether_addr(hdr->addr1) || !sta || !sta->rate_ctrl_priv) { sel->rate = rate_lowest(local, sband, sta); - if (sta) - sta_info_put(sta); - return; + goto out; } lq_sta = (struct iwl4965_lq_sta *)sta->rate_ctrl_priv; @@ -2256,14 +2255,15 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev, goto done; } - done: +done: if ((i < 0) || (i > IWL_RATE_COUNT)) { sel->rate = rate_lowest(local, sband, sta); - return; + goto out; } - sta_info_put(sta); sel->rate = &priv->ieee_rates[i]; +out: + rcu_read_unlock(); } static void *rs_alloc_sta(void *priv, gfp_t gfp) @@ -2735,13 +2735,15 @@ int iwl4965_fill_rs_info(struct ieee80211_hw *hw, char *buf, u8 sta_id) u32 max_time = 0; u8 lq_type, antenna; + rcu_read_lock(); + sta = sta_info_get(local, priv->stations[sta_id].sta.sta.addr); if (!sta || !sta->rate_ctrl_priv) { - if (sta) { - sta_info_put(sta); + if (sta) IWL_DEBUG_RATE("leave - no private rate data!\n"); - } else + else IWL_DEBUG_RATE("leave - no station!\n"); + rcu_read_unlock(); return sprintf(buf, "station %d not found\n", sta_id); } @@ -2808,7 +2810,7 @@ int iwl4965_fill_rs_info(struct ieee80211_hw *hw, char *buf, u8 sta_id) "active_search %d rate index %d\n", lq_type, antenna, lq_sta->search_better_tbl, sta->last_txrate_idx); - sta_info_put(sta); + rcu_read_unlock(); return cnt; } diff --git a/drivers/net/wireless/iwlwifi/iwl-4965-rs.h b/drivers/net/wireless/iwlwifi/iwl-4965-rs.h index 13b6c72eeb73..911f21396fd0 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965-rs.h +++ b/drivers/net/wireless/iwlwifi/iwl-4965-rs.h @@ -259,7 +259,7 @@ static inline u8 iwl4965_get_prev_ieee_rate(u8 rate_index) return rate; } -extern int iwl4965_rate_index_from_plcp(int plcp); +extern int iwl4965_hwrate_to_plcp_idx(u32 rate_n_flags); /** * iwl4965_fill_rs_info - Fill an output text buffer with the rate representation diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c index a9c30bcb65b8..2f01a490c9ee 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965.c +++ b/drivers/net/wireless/iwlwifi/iwl-4965.c @@ -38,6 +38,7 @@ #include <linux/etherdevice.h> #include <asm/unaligned.h> +#include "iwl-core.h" #include "iwl-4965.h" #include "iwl-helpers.h" @@ -122,6 +123,64 @@ static u8 is_single_stream(struct iwl4965_priv *priv) return 0; } +int iwl4965_hwrate_to_plcp_idx(u32 rate_n_flags) +{ + int idx = 0; + + /* 4965 HT rate format */ + if (rate_n_flags & RATE_MCS_HT_MSK) { + idx = (rate_n_flags & 0xff); + + if (idx >= IWL_RATE_MIMO_6M_PLCP) + idx = idx - IWL_RATE_MIMO_6M_PLCP; + + idx += IWL_FIRST_OFDM_RATE; + /* skip 9M not supported in ht*/ + if (idx >= IWL_RATE_9M_INDEX) + idx += 1; + if ((idx >= IWL_FIRST_OFDM_RATE) && (idx <= IWL_LAST_OFDM_RATE)) + return idx; + + /* 4965 legacy rate format, search for match in table */ + } else { + for (idx = 0; idx < ARRAY_SIZE(iwl4965_rates); idx++) + if (iwl4965_rates[idx].plcp == (rate_n_flags & 0xFF)) + return idx; + } + + return -1; +} + +/** + * translate ucode response to mac80211 tx status control values + */ +void iwl4965_hwrate_to_tx_control(struct iwl4965_priv *priv, u32 rate_n_flags, + struct ieee80211_tx_control *control) +{ + int rate_index; + + control->antenna_sel_tx = + ((rate_n_flags & RATE_MCS_ANT_AB_MSK) >> RATE_MCS_ANT_A_POS); + if (rate_n_flags & RATE_MCS_HT_MSK) + control->flags |= IEEE80211_TXCTL_OFDM_HT; + if (rate_n_flags & RATE_MCS_GF_MSK) + control->flags |= IEEE80211_TXCTL_GREEN_FIELD; + if (rate_n_flags & RATE_MCS_FAT_MSK) + control->flags |= IEEE80211_TXCTL_40_MHZ_WIDTH; + if (rate_n_flags & RATE_MCS_DUP_MSK) + control->flags |= IEEE80211_TXCTL_DUP_DATA; + if (rate_n_flags & RATE_MCS_SGI_MSK) + control->flags |= IEEE80211_TXCTL_SHORT_GI; + /* since iwl4965_hwrate_to_plcp_idx is band indifferent, we always use + * IEEE80211_BAND_2GHZ band as it contains all the rates */ + rate_index = iwl4965_hwrate_to_plcp_idx(rate_n_flags); + if (rate_index == -1) + control->tx_rate = NULL; + else + control->tx_rate = + &priv->bands[IEEE80211_BAND_2GHZ].bitrates[rate_index]; +} + /* * Determine how many receiver/antenna chains to use. * More provides better reception via diversity. Fewer saves power. @@ -546,9 +605,9 @@ int iwl4965_hw_nic_init(struct iwl4965_priv *priv) /* set CSR_HW_CONFIG_REG for uCode use */ iwl4965_set_bit(priv, CSR_HW_IF_CONFIG_REG, - CSR_HW_IF_CONFIG_REG_BIT_KEDRON_R | - CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI | - CSR_HW_IF_CONFIG_REG_BIT_MAC_SI); + CSR49_HW_IF_CONFIG_REG_BIT_4965_R | + CSR49_HW_IF_CONFIG_REG_BIT_RADIO_SI | + CSR49_HW_IF_CONFIG_REG_BIT_MAC_SI); rc = iwl4965_grab_nic_access(priv); if (rc < 0) { @@ -3523,6 +3582,160 @@ static void iwl4965_update_ps_mode(struct iwl4965_priv *priv, u16 ps_bit, u8 *ad } } } +#ifdef CONFIG_IWL4965_DEBUG + +/** + * iwl4965_dbg_report_frame - dump frame to syslog during debug sessions + * + * You may hack this function to show different aspects of received frames, + * including selective frame dumps. + * group100 parameter selects whether to show 1 out of 100 good frames. + * + * TODO: This was originally written for 3945, need to audit for + * proper operation with 4965. + */ +static void iwl4965_dbg_report_frame(struct iwl4965_priv *priv, + struct iwl4965_rx_packet *pkt, + struct ieee80211_hdr *header, int group100) +{ + u32 to_us; + u32 print_summary = 0; + u32 print_dump = 0; /* set to 1 to dump all frames' contents */ + u32 hundred = 0; + u32 dataframe = 0; + u16 fc; + u16 seq_ctl; + u16 channel; + u16 phy_flags; + int rate_sym; + u16 length; + u16 status; + u16 bcn_tmr; + u32 tsf_low; + u64 tsf; + u8 rssi; + u8 agc; + u16 sig_avg; + u16 noise_diff; + struct iwl4965_rx_frame_stats *rx_stats = IWL_RX_STATS(pkt); + struct iwl4965_rx_frame_hdr *rx_hdr = IWL_RX_HDR(pkt); + struct iwl4965_rx_frame_end *rx_end = IWL_RX_END(pkt); + u8 *data = IWL_RX_DATA(pkt); + + if (likely(!(iwl4965_debug_level & IWL_DL_RX))) + return; + + /* MAC header */ + fc = le16_to_cpu(header->frame_control); + seq_ctl = le16_to_cpu(header->seq_ctrl); + + /* metadata */ + channel = le16_to_cpu(rx_hdr->channel); + phy_flags = le16_to_cpu(rx_hdr->phy_flags); + rate_sym = rx_hdr->rate; + length = le16_to_cpu(rx_hdr->len); + + /* end-of-frame status and timestamp */ + status = le32_to_cpu(rx_end->status); + bcn_tmr = le32_to_cpu(rx_end->beacon_timestamp); + tsf_low = le64_to_cpu(rx_end->timestamp) & 0x0ffffffff; + tsf = le64_to_cpu(rx_end->timestamp); + + /* signal statistics */ + rssi = rx_stats->rssi; + agc = rx_stats->agc; + sig_avg = le16_to_cpu(rx_stats->sig_avg); + noise_diff = le16_to_cpu(rx_stats->noise_diff); + + to_us = !compare_ether_addr(header->addr1, priv->mac_addr); + + /* if data frame is to us and all is good, + * (optionally) print summary for only 1 out of every 100 */ + if (to_us && (fc & ~IEEE80211_FCTL_PROTECTED) == + (IEEE80211_FCTL_FROMDS | IEEE80211_FTYPE_DATA)) { + dataframe = 1; + if (!group100) + print_summary = 1; /* print each frame */ + else if (priv->framecnt_to_us < 100) { + priv->framecnt_to_us++; + print_summary = 0; + } else { + priv->framecnt_to_us = 0; + print_summary = 1; + hundred = 1; + } + } else { + /* print summary for all other frames */ + print_summary = 1; + } + + if (print_summary) { + char *title; + int rate_idx; + u32 bitrate; + + if (hundred) + title = "100Frames"; + else if (fc & IEEE80211_FCTL_RETRY) + title = "Retry"; + else if (ieee80211_is_assoc_response(fc)) + title = "AscRsp"; + else if (ieee80211_is_reassoc_response(fc)) + title = "RasRsp"; + else if (ieee80211_is_probe_response(fc)) { + title = "PrbRsp"; + print_dump = 1; /* dump frame contents */ + } else if (ieee80211_is_beacon(fc)) { + title = "Beacon"; + print_dump = 1; /* dump frame contents */ + } else if (ieee80211_is_atim(fc)) + title = "ATIM"; + else if (ieee80211_is_auth(fc)) + title = "Auth"; + else if (ieee80211_is_deauth(fc)) + title = "DeAuth"; + else if (ieee80211_is_disassoc(fc)) + title = "DisAssoc"; + else + title = "Frame"; + + rate_idx = iwl4965_hwrate_to_plcp_idx(rate_sym); + if (unlikely(rate_idx == -1)) + bitrate = 0; + else + bitrate = iwl4965_rates[rate_idx].ieee / 2; + + /* print frame summary. + * MAC addresses show just the last byte (for brevity), + * but you can hack it to show more, if you'd like to. */ + if (dataframe) + IWL_DEBUG_RX("%s: mhd=0x%04x, dst=0x%02x, " + "len=%u, rssi=%d, chnl=%d, rate=%u, \n", + title, fc, header->addr1[5], + length, rssi, channel, bitrate); + else { + /* src/dst addresses assume managed mode */ + IWL_DEBUG_RX("%s: 0x%04x, dst=0x%02x, " + "src=0x%02x, rssi=%u, tim=%lu usec, " + "phy=0x%02x, chnl=%d\n", + title, fc, header->addr1[5], + header->addr3[5], rssi, + tsf_low - priv->scan_start_tsf, + phy_flags, channel); + } + } + if (print_dump) + iwl4965_print_hex_dump(IWL_DL_RX, data, length); +} +#else +static inline void iwl4965_dbg_report_frame(struct iwl4965_priv *priv, + struct iwl4965_rx_packet *pkt, + struct ieee80211_hdr *header, + int group100) +{ +} +#endif + #define IWL_DELAY_NEXT_SCAN_AFTER_ASSOC (HZ*6) @@ -3531,6 +3744,8 @@ static void iwl4965_update_ps_mode(struct iwl4965_priv *priv, u16 ps_bit, u8 *ad static void iwl4965_rx_reply_rx(struct iwl4965_priv *priv, struct iwl4965_rx_mem_buffer *rxb) { + struct ieee80211_hdr *header; + struct ieee80211_rx_status rx_status; struct iwl4965_rx_packet *pkt = (void *)rxb->skb->data; /* Use phy data (Rx signal strength, etc.) contained within * this rx packet for legacy frames, @@ -3541,27 +3756,29 @@ static void iwl4965_rx_reply_rx(struct iwl4965_priv *priv, (struct iwl4965_rx_phy_res *)&priv->last_phy_res[1]; __le32 *rx_end; unsigned int len = 0; - struct ieee80211_hdr *header; u16 fc; - struct ieee80211_rx_status stats = { - .mactime = le64_to_cpu(rx_start->timestamp), - .freq = ieee80211chan2mhz(le16_to_cpu(rx_start->channel)), - .band = - (rx_start->phy_flags & RX_RES_PHY_FLAGS_BAND_24_MSK) ? - IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ, - .antenna = 0, - .rate_idx = iwl4965_rate_index_from_plcp( - le32_to_cpu(rx_start->rate_n_flags)), - .flag = 0, - }; u8 network_packet; + rx_status.mactime = le64_to_cpu(rx_start->timestamp); + rx_status.freq = ieee80211chan2mhz(le16_to_cpu(rx_start->channel)); + rx_status.band = (rx_start->phy_flags & RX_RES_PHY_FLAGS_BAND_24_MSK) ? + IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ; + rx_status.rate_idx = iwl4965_hwrate_to_plcp_idx( + le32_to_cpu(rx_start->rate_n_flags)); + + if (rx_status.band == IEEE80211_BAND_5GHZ) + rx_status.rate_idx -= IWL_FIRST_OFDM_RATE; + + rx_status.antenna = 0; + rx_status.flag = 0; + if ((unlikely(rx_start->cfg_phy_cnt > 20))) { IWL_DEBUG_DROP ("dsp size out of range [0,20]: " "%d/n", rx_start->cfg_phy_cnt); return; } + if (!include_phy) { if (priv->last_phy_res[0]) rx_start = (struct iwl4965_rx_phy_res *) @@ -3580,7 +3797,7 @@ static void iwl4965_rx_reply_rx(struct iwl4965_priv *priv, + rx_start->cfg_phy_cnt); len = le16_to_cpu(rx_start->byte_count); - rx_end = (__le32 *) (pkt->u.raw + rx_start->cfg_phy_cnt + + rx_end = (__le32 *)(pkt->u.raw + rx_start->cfg_phy_cnt + sizeof(struct iwl4965_rx_phy_res) + len); } else { struct iwl4965_rx_mpdu_res_start *amsdu = @@ -3603,7 +3820,7 @@ static void iwl4965_rx_reply_rx(struct iwl4965_priv *priv, priv->ucode_beacon_time = le32_to_cpu(rx_start->beacon_time_stamp); /* Find max signal strength (dBm) among 3 antenna/receiver chains */ - stats.ssi = iwl4965_calc_rssi(rx_start); + rx_status.ssi = iwl4965_calc_rssi(rx_start); /* Meaningful noise values are available only from beacon statistics, * which are gathered only when associated, and indicate noise @@ -3611,32 +3828,29 @@ static void iwl4965_rx_reply_rx(struct iwl4965_priv *priv, * Ignore these noise values while scanning (other channels) */ if (iwl4965_is_associated(priv) && !test_bit(STATUS_SCANNING, &priv->status)) { - stats.noise = priv->last_rx_noise; - stats.signal = iwl4965_calc_sig_qual(stats.ssi, stats.noise); + rx_status.noise = priv->last_rx_noise; + rx_status.signal = iwl4965_calc_sig_qual(rx_status.ssi, + rx_status.noise); } else { - stats.noise = IWL_NOISE_MEAS_NOT_AVAILABLE; - stats.signal = iwl4965_calc_sig_qual(stats.ssi, 0); + rx_status.noise = IWL_NOISE_MEAS_NOT_AVAILABLE; + rx_status.signal = iwl4965_calc_sig_qual(rx_status.ssi, 0); } /* Reset beacon noise level if not associated. */ if (!iwl4965_is_associated(priv)) priv->last_rx_noise = IWL_NOISE_MEAS_NOT_AVAILABLE; -#ifdef CONFIG_IWL4965_DEBUG - /* TODO: Parts of iwl4965_report_frame are broken for 4965 */ - if (iwl4965_debug_level & (IWL_DL_RX)) - /* Set "1" to report good data frames in groups of 100 */ - iwl4965_report_frame(priv, pkt, header, 1); - - if (iwl4965_debug_level & (IWL_DL_RX | IWL_DL_STATS)) - IWL_DEBUG_RX("Rssi %d, noise %d, qual %d, TSF %lu\n", - stats.ssi, stats.noise, stats.signal, - (long unsigned int)le64_to_cpu(rx_start->timestamp)); -#endif + /* Set "1" to report good data frames in groups of 100 */ + /* FIXME: need to optimze the call: */ + iwl4965_dbg_report_frame(priv, pkt, header, 1); + + IWL_DEBUG_STATS_LIMIT("Rssi %d, noise %d, qual %d, TSF %llu\n", + rx_status.ssi, rx_status.noise, rx_status.signal, + rx_status.mactime); network_packet = iwl4965_is_network_packet(priv, header); if (network_packet) { - priv->last_rx_rssi = stats.ssi; + priv->last_rx_rssi = rx_status.ssi; priv->last_beacon_time = priv->ucode_beacon_time; priv->last_tsf = le64_to_cpu(rx_start->timestamp); } @@ -3739,7 +3953,7 @@ static void iwl4965_rx_reply_rx(struct iwl4965_priv *priv, return; } } - iwl4965_handle_data_packet(priv, 0, include_phy, rxb, &stats); + iwl4965_handle_data_packet(priv, 0, include_phy, rxb, &rx_status); break; case IEEE80211_FTYPE_CTL: @@ -3748,7 +3962,7 @@ static void iwl4965_rx_reply_rx(struct iwl4965_priv *priv, case IEEE80211_STYPE_BACK_REQ: IWL_DEBUG_HT("IEEE80211_STYPE_BACK_REQ arrived\n"); iwl4965_handle_data_packet(priv, 0, include_phy, - rxb, &stats); + rxb, &rx_status); break; default: break; @@ -3778,7 +3992,7 @@ static void iwl4965_rx_reply_rx(struct iwl4965_priv *priv, print_mac(mac3, header->addr3)); else iwl4965_handle_data_packet(priv, 1, include_phy, rxb, - &stats); + &rx_status); break; } default: @@ -3900,11 +4114,10 @@ static int iwl4965_tx_status_reply_compressed_ba(struct iwl4965_priv *priv, tx_status->flags |= IEEE80211_TX_STATUS_AMPDU; tx_status->ampdu_ack_map = successes; tx_status->ampdu_ack_len = agg->frame_count; - /* FIXME Wrong rate - tx_status->control.tx_rate = agg->rate_n_flags; - */ + iwl4965_hwrate_to_tx_control(priv, agg->rate_n_flags, + &tx_status->control); - IWL_DEBUG_TX_REPLY("Bitmap %llx\n", bitmap); + IWL_DEBUG_TX_REPLY("Bitmap %llx\n", (unsigned long long)bitmap); return 0; } @@ -3925,16 +4138,23 @@ static void iwl4965_tx_queue_stop_scheduler(struct iwl4965_priv *priv, /** * txq_id must be greater than IWL_BACK_QUEUE_FIRST_ID + * priv->lock must be held by the caller */ static int iwl4965_tx_queue_agg_disable(struct iwl4965_priv *priv, u16 txq_id, u16 ssn_idx, u8 tx_fifo) { + int ret = 0; + if (IWL_BACK_QUEUE_FIRST_ID > txq_id) { IWL_WARNING("queue number too small: %d, must be > %d\n", txq_id, IWL_BACK_QUEUE_FIRST_ID); return -EINVAL; } + ret = iwl4965_grab_nic_access(priv); + if (ret) + return ret; + iwl4965_tx_queue_stop_scheduler(priv, txq_id); iwl4965_clear_bits_prph(priv, KDR_SCD_QUEUECHAIN_SEL, (1 << txq_id)); @@ -3948,6 +4168,8 @@ static int iwl4965_tx_queue_agg_disable(struct iwl4965_priv *priv, u16 txq_id, iwl4965_txq_ctx_deactivate(priv, txq_id); iwl4965_tx_queue_set_status(priv, &priv->txq[txq_id], tx_fifo, 0); + iwl4965_release_nic_access(priv); + return 0; } @@ -4040,12 +4262,12 @@ static void iwl4965_rx_reply_compressed_ba(struct iwl4965_priv *priv, "%d, scd_ssn = %d\n", ba_resp->tid, ba_resp->seq_ctl, - ba_resp->bitmap, + (unsigned long long)ba_resp->bitmap, ba_resp->scd_flow, ba_resp->scd_ssn); IWL_DEBUG_TX_REPLY("DAT start_idx = %d, bitmap = 0x%llx \n", agg->start_idx, - agg->bitmap); + (unsigned long long)agg->bitmap); /* Update driver's record of ACK vs. not for each frame in window */ iwl4965_tx_status_reply_compressed_ba(priv, agg, ba_resp); @@ -4232,7 +4454,7 @@ static u8 iwl4965_is_channel_extension(struct iwl4965_priv *priv, if (!is_channel_valid(ch_info)) return 0; - if (extension_chan_offset == IWL_EXT_CHANNEL_OFFSET_AUTO) + if (extension_chan_offset == IWL_EXT_CHANNEL_OFFSET_NONE) return 0; if ((ch_info->fat_extension_channel == extension_chan_offset) || @@ -4249,7 +4471,7 @@ static u8 iwl4965_is_fat_tx_allowed(struct iwl4965_priv *priv, if ((!iwl_ht_conf->is_ht) || (iwl_ht_conf->supported_chan_width != IWL_CHANNEL_WIDTH_40MHZ) || - (iwl_ht_conf->extension_chan_offset == IWL_EXT_CHANNEL_OFFSET_AUTO)) + (iwl_ht_conf->extension_chan_offset == IWL_EXT_CHANNEL_OFFSET_NONE)) return 0; if (sta_ht_inf) { @@ -4294,9 +4516,7 @@ void iwl4965_set_rxon_ht(struct iwl4965_priv *priv, struct iwl_ht_info *ht_info) case IWL_EXT_CHANNEL_OFFSET_BELOW: rxon->flags |= RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK; break; - case IWL_EXT_CHANNEL_OFFSET_AUTO: - rxon->flags &= ~RXON_FLG_CHANNEL_MODE_MIXED_MSK; - break; + case IWL_EXT_CHANNEL_OFFSET_NONE: default: rxon->flags &= ~RXON_FLG_CHANNEL_MODE_MIXED_MSK; break; @@ -4419,7 +4639,7 @@ static int iwl4965_mac_ht_tx_agg_start(struct ieee80211_hw *hw, const u8 *da, int tx_fifo; int txq_id; int ssn = -1; - int rc = 0; + int ret = 0; unsigned long flags; struct iwl4965_tid_data *tid_data; DECLARE_MAC_BUF(mac); @@ -4452,12 +4672,12 @@ static int iwl4965_mac_ht_tx_agg_start(struct ieee80211_hw *hw, const u8 *da, spin_unlock_irqrestore(&priv->sta_lock, flags); *start_seq_num = ssn; - rc = iwl4965_tx_queue_agg_enable(priv, txq_id, tx_fifo, - sta_id, tid, ssn); - if (rc) - return rc; + ret = iwl4965_tx_queue_agg_enable(priv, txq_id, tx_fifo, + sta_id, tid, ssn); + if (ret) + return ret; - rc = 0; + ret = 0; if (tid_data->tfds_in_queue == 0) { printk(KERN_ERR "HW queue is empty\n"); tid_data->agg.state = IWL_AGG_ON; @@ -4467,7 +4687,7 @@ static int iwl4965_mac_ht_tx_agg_start(struct ieee80211_hw *hw, const u8 *da, tid_data->tfds_in_queue); tid_data->agg.state = IWL_EMPTYING_HW_QUEUE_ADDBA; } - return rc; + return ret; } static int iwl4965_mac_ht_tx_agg_stop(struct ieee80211_hw *hw, const u8 *da, @@ -4477,7 +4697,7 @@ static int iwl4965_mac_ht_tx_agg_stop(struct ieee80211_hw *hw, const u8 *da, struct iwl4965_priv *priv = hw->priv; int tx_fifo_id, txq_id, sta_id, ssn = -1; struct iwl4965_tid_data *tid_data; - int rc, write_ptr, read_ptr; + int ret, write_ptr, read_ptr; unsigned long flags; DECLARE_MAC_BUF(mac); @@ -4517,17 +4737,11 @@ static int iwl4965_mac_ht_tx_agg_stop(struct ieee80211_hw *hw, const u8 *da, priv->stations[sta_id].tid[tid].agg.state = IWL_AGG_OFF; spin_lock_irqsave(&priv->lock, flags); - rc = iwl4965_grab_nic_access(priv); - if (rc) { - spin_unlock_irqrestore(&priv->lock, flags); - return rc; - } - rc = iwl4965_tx_queue_agg_disable(priv, txq_id, ssn, tx_fifo_id); - iwl4965_release_nic_access(priv); + ret = iwl4965_tx_queue_agg_disable(priv, txq_id, ssn, tx_fifo_id); spin_unlock_irqrestore(&priv->lock, flags); - if (rc) - return rc; + if (ret) + return ret; ieee80211_stop_tx_ba_cb_irqsafe(priv->hw, da, tid); @@ -4610,9 +4824,15 @@ void iwl4965_hw_cancel_deferred_work(struct iwl4965_priv *priv) cancel_delayed_work(&priv->init_alive_start); } +static struct iwl_cfg iwl4965_agn_cfg = { + .name = "4965AGN", + .fw_name = "iwlwifi-4965" IWL4965_UCODE_API ".ucode", + .sku = IWL_SKU_A|IWL_SKU_G|IWL_SKU_N, +}; + struct pci_device_id iwl4965_hw_card_ids[] = { - {PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x4229)}, - {PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x4230)}, + {IWL_PCI_DEVICE(0x4229, PCI_ANY_ID, iwl4965_agn_cfg)}, + {IWL_PCI_DEVICE(0x4230, PCI_ANY_ID, iwl4965_agn_cfg)}, {0} }; diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.h b/drivers/net/wireless/iwlwifi/iwl-4965.h index ce17e4fec838..057fa15d62fd 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965.h +++ b/drivers/net/wireless/iwlwifi/iwl-4965.h @@ -41,9 +41,17 @@ extern struct pci_device_id iwl4965_hw_card_ids[]; #define DRV_NAME "iwl4965" #include "iwl-4965-hw.h" +#include "iwl-csr.h" #include "iwl-prph.h" #include "iwl-4965-debug.h" +/* Change firmware file name, using "-" and incrementing number, + * *only* when uCode interface or architecture changes so that it + * is not compatible with earlier drivers. + * This number will also appear in << 8 position of 1st dword of uCode file */ +#define IWL4965_UCODE_API "-1" + + /* Default noise level to report when noise measurement is not available. * This may be because we're: * 1) Not associated (4965, no beacon statistics being sent to driver) @@ -633,16 +641,6 @@ extern int iwl4965_is_network_packet(struct iwl4965_priv *priv, struct ieee80211_hdr *header); extern int iwl4965_power_init_handle(struct iwl4965_priv *priv); extern int iwl4965_eeprom_init(struct iwl4965_priv *priv); -#ifdef CONFIG_IWL4965_DEBUG -extern void iwl4965_report_frame(struct iwl4965_priv *priv, - struct iwl4965_rx_packet *pkt, - struct ieee80211_hdr *header, int group100); -#else -static inline void iwl4965_report_frame(struct iwl4965_priv *priv, - struct iwl4965_rx_packet *pkt, - struct ieee80211_hdr *header, - int group100) {} -#endif extern void iwl4965_handle_data_packet_monitor(struct iwl4965_priv *priv, struct iwl4965_rx_mem_buffer *rxb, void *data, short len, @@ -767,6 +765,9 @@ extern int iwl4965_set_fat_chan_info(struct iwl4965_priv *priv, const struct iwl4965_eeprom_channel *eeprom_ch, u8 fat_extension_channel); extern void iwl4965_rf_kill_ct_config(struct iwl4965_priv *priv); +extern void iwl4965_hwrate_to_tx_control(struct iwl4965_priv *priv, + u32 rate_n_flags, + struct ieee80211_tx_control *control); #ifdef CONFIG_IWL4965_HT void iwl4965_init_ht_hw_capab(struct ieee80211_ht_info *ht_info, @@ -808,11 +809,10 @@ struct iwl4965_kw { #define IWL_OPERATION_MODE_MIXED 2 #define IWL_OPERATION_MODE_20MHZ 3 -#define IWL_EXT_CHANNEL_OFFSET_AUTO 0 -#define IWL_EXT_CHANNEL_OFFSET_ABOVE 1 -#define IWL_EXT_CHANNEL_OFFSET_ 2 -#define IWL_EXT_CHANNEL_OFFSET_BELOW 3 -#define IWL_EXT_CHANNEL_OFFSET_MAX 4 +#define IWL_EXT_CHANNEL_OFFSET_NONE 0 +#define IWL_EXT_CHANNEL_OFFSET_ABOVE 1 +#define IWL_EXT_CHANNEL_OFFSET_RESERVE1 2 +#define IWL_EXT_CHANNEL_OFFSET_BELOW 3 #define NRG_NUM_PREV_STAT_L 20 #define NUM_RX_CHAINS (3) @@ -974,6 +974,7 @@ struct iwl4965_priv { struct ieee80211_hw *hw; struct ieee80211_channel *ieee_channels; struct ieee80211_rate *ieee_rates; + struct iwl_cfg *cfg; /* temporary frame storage list */ struct list_head free_frames; @@ -1104,7 +1105,6 @@ struct iwl4965_priv { u32 scd_base_addr; /* scheduler sram base address */ unsigned long status; - u32 config; int last_rx_rssi; /* From Rx packet statisitics */ int last_rx_noise; /* From beacon statistics */ @@ -1134,7 +1134,6 @@ struct iwl4965_priv { int is_open; u8 mac80211_registered; - int is_abg; u32 notif_missed_beacons; diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c new file mode 100644 index 000000000000..675b34b696b4 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -0,0 +1,47 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2008 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Tomas Winkler <tomas.winkler@intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + *****************************************************************************/ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/version.h> + +#include "iwl-4965-debug.h" +#include "iwl-core.h" + +MODULE_DESCRIPTION("iwl core"); +MODULE_VERSION(IWLWIFI_VERSION); +MODULE_AUTHOR(DRV_COPYRIGHT); +MODULE_LICENSE("GPL/BSD"); + +#ifdef CONFIG_IWL4965_DEBUG +u32 iwl4965_debug_level; +EXPORT_SYMBOL(iwl4965_debug_level); +#endif diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h new file mode 100644 index 000000000000..bdd32f891683 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-core.h @@ -0,0 +1,84 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2008 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Tomas Winkler <tomas.winkler@intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2005 - 2008 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + *****************************************************************************/ + +#ifndef __iwl_core_h__ +#define __iwl_core_h__ + +#define IWLWIFI_VERSION "1.2.26k" +#define DRV_COPYRIGHT "Copyright(c) 2003-2008 Intel Corporation" + +#define IWL_PCI_DEVICE(dev, subdev, cfg) \ + .vendor = PCI_VENDOR_ID_INTEL, .device = (dev), \ + .subvendor = PCI_ANY_ID, .subdevice = (subdev), \ + .driver_data = (kernel_ulong_t)&(cfg) + +#define IWL_SKU_G 0x1 +#define IWL_SKU_A 0x2 +#define IWL_SKU_N 0x8 + +struct iwl_cfg { + const char *name; + const char *fw_name; + unsigned int sku; +}; + +#endif /* __iwl_core_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-csr.h b/drivers/net/wireless/iwlwifi/iwl-csr.h new file mode 100644 index 000000000000..7016e5b41c58 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-csr.h @@ -0,0 +1,259 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2005 - 2008 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * James P. Ketrenos <ipw2100-admin@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2005 - 2007 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ +/*=== CSR (control and status registers) ===*/ +#define CSR_BASE (0x000) + +#define CSR_HW_IF_CONFIG_REG (CSR_BASE+0x000) /* hardware interface config */ +#define CSR_INT_COALESCING (CSR_BASE+0x004) /* accum ints, 32-usec units */ +#define CSR_INT (CSR_BASE+0x008) /* host interrupt status/ack */ +#define CSR_INT_MASK (CSR_BASE+0x00c) /* host interrupt enable */ +#define CSR_FH_INT_STATUS (CSR_BASE+0x010) /* busmaster int status/ack*/ +#define CSR_GPIO_IN (CSR_BASE+0x018) /* read external chip pins */ +#define CSR_RESET (CSR_BASE+0x020) /* busmaster enable, NMI, etc*/ +#define CSR_GP_CNTRL (CSR_BASE+0x024) + +/* + * Hardware revision info + * Bit fields: + * 31-8: Reserved + * 7-4: Type of device: 0x0 = 4965, 0xd = 3945 + * 3-2: Revision step: 0 = A, 1 = B, 2 = C, 3 = D + * 1-0: "Dash" value, as in A-1, etc. + * + * NOTE: Revision step affects calculation of CCK txpower for 4965. + */ +#define CSR_HW_REV (CSR_BASE+0x028) + +/* EEPROM reads */ +#define CSR_EEPROM_REG (CSR_BASE+0x02c) +#define CSR_EEPROM_GP (CSR_BASE+0x030) +#define CSR_GP_UCODE (CSR_BASE+0x044) +#define CSR_UCODE_DRV_GP1 (CSR_BASE+0x054) +#define CSR_UCODE_DRV_GP1_SET (CSR_BASE+0x058) +#define CSR_UCODE_DRV_GP1_CLR (CSR_BASE+0x05c) +#define CSR_UCODE_DRV_GP2 (CSR_BASE+0x060) +#define CSR_GIO_CHICKEN_BITS (CSR_BASE+0x100) + +/* Analog phase-lock-loop configuration (3945 only) + * Set bit 24. */ +#define CSR_ANA_PLL_CFG (CSR_BASE+0x20c) +/* + * Indicates hardware rev, to determine CCK backoff for txpower calculation. + * Bit fields: + * 3-2: 0 = A, 1 = B, 2 = C, 3 = D step + */ +#define CSR_HW_REV_WA_REG (CSR_BASE+0x22C) + +/* Bits for CSR_HW_IF_CONFIG_REG */ +#define CSR49_HW_IF_CONFIG_REG_BIT_4965_R (0x00000010) +#define CSR49_HW_IF_CONFIG_REG_MSK_BOARD_VER (0x00000C00) +#define CSR49_HW_IF_CONFIG_REG_BIT_MAC_SI (0x00000100) +#define CSR49_HW_IF_CONFIG_REG_BIT_RADIO_SI (0x00000200) + +#define CSR39_HW_IF_CONFIG_REG_BIT_3945_MB (0x00000100) +#define CSR39_HW_IF_CONFIG_REG_BIT_3945_MM (0x00000200) +#define CSR39_HW_IF_CONFIG_REG_BIT_SKU_MRC (0x00000400) +#define CSR39_HW_IF_CONFIG_REG_BIT_BOARD_TYPE (0x00000800) +#define CSR39_HW_IF_CONFIG_REG_BITS_SILICON_TYPE_A (0x00000000) +#define CSR39_HW_IF_CONFIG_REG_BITS_SILICON_TYPE_B (0x00001000) + +#define CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM (0x00200000) + +/* interrupt flags in INTA, set by uCode or hardware (e.g. dma), + * acknowledged (reset) by host writing "1" to flagged bits. */ +#define CSR_INT_BIT_FH_RX (1 << 31) /* Rx DMA, cmd responses, FH_INT[17:16] */ +#define CSR_INT_BIT_HW_ERR (1 << 29) /* DMA hardware error FH_INT[31] */ +#define CSR_INT_BIT_DNLD (1 << 28) /* uCode Download */ +#define CSR_INT_BIT_FH_TX (1 << 27) /* Tx DMA FH_INT[1:0] */ +#define CSR_INT_BIT_SCD (1 << 26) /* TXQ pointer advanced */ +#define CSR_INT_BIT_SW_ERR (1 << 25) /* uCode error */ +#define CSR_INT_BIT_RF_KILL (1 << 7) /* HW RFKILL switch GP_CNTRL[27] toggled */ +#define CSR_INT_BIT_CT_KILL (1 << 6) /* Critical temp (chip too hot) rfkill */ +#define CSR_INT_BIT_SW_RX (1 << 3) /* Rx, command responses, 3945 */ +#define CSR_INT_BIT_WAKEUP (1 << 1) /* NIC controller waking up (pwr mgmt) */ +#define CSR_INT_BIT_ALIVE (1 << 0) /* uCode interrupts once it initializes */ + +#define CSR_INI_SET_MASK (CSR_INT_BIT_FH_RX | \ + CSR_INT_BIT_HW_ERR | \ + CSR_INT_BIT_FH_TX | \ + CSR_INT_BIT_SW_ERR | \ + CSR_INT_BIT_RF_KILL | \ + CSR_INT_BIT_SW_RX | \ + CSR_INT_BIT_WAKEUP | \ + CSR_INT_BIT_ALIVE) + +/* interrupt flags in FH (flow handler) (PCI busmaster DMA) */ +#define CSR_FH_INT_BIT_ERR (1 << 31) /* Error */ +#define CSR_FH_INT_BIT_HI_PRIOR (1 << 30) /* High priority Rx, bypass coalescing */ +#define CSR39_FH_INT_BIT_RX_CHNL2 (1 << 18) /* Rx channel 2 (3945 only) */ +#define CSR_FH_INT_BIT_RX_CHNL1 (1 << 17) /* Rx channel 1 */ +#define CSR_FH_INT_BIT_RX_CHNL0 (1 << 16) /* Rx channel 0 */ +#define CSR39_FH_INT_BIT_TX_CHNL6 (1 << 6) /* Tx channel 6 (3945 only) */ +#define CSR_FH_INT_BIT_TX_CHNL1 (1 << 1) /* Tx channel 1 */ +#define CSR_FH_INT_BIT_TX_CHNL0 (1 << 0) /* Tx channel 0 */ + +#define CSR39_FH_INT_RX_MASK (CSR_FH_INT_BIT_HI_PRIOR | \ + CSR39_FH_INT_BIT_RX_CHNL2 | \ + CSR_FH_INT_BIT_RX_CHNL1 | \ + CSR_FH_INT_BIT_RX_CHNL0) + + +#define CSR39_FH_INT_TX_MASK (CSR39_FH_INT_BIT_TX_CHNL6 | \ + CSR_FH_INT_BIT_TX_CHNL1 | \ + CSR_FH_INT_BIT_TX_CHNL0) + +#define CSR49_FH_INT_RX_MASK (CSR_FH_INT_BIT_HI_PRIOR | \ + CSR_FH_INT_BIT_RX_CHNL1 | \ + CSR_FH_INT_BIT_RX_CHNL0) + +#define CSR49_FH_INT_TX_MASK (CSR_FH_INT_BIT_TX_CHNL1 | \ + CSR_FH_INT_BIT_TX_CHNL0) + + +/* RESET */ +#define CSR_RESET_REG_FLAG_NEVO_RESET (0x00000001) +#define CSR_RESET_REG_FLAG_FORCE_NMI (0x00000002) +#define CSR_RESET_REG_FLAG_SW_RESET (0x00000080) +#define CSR_RESET_REG_FLAG_MASTER_DISABLED (0x00000100) +#define CSR_RESET_REG_FLAG_STOP_MASTER (0x00000200) + +/* GP (general purpose) CONTROL */ +#define CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY (0x00000001) +#define CSR_GP_CNTRL_REG_FLAG_INIT_DONE (0x00000004) +#define CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ (0x00000008) +#define CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP (0x00000010) + +#define CSR_GP_CNTRL_REG_VAL_MAC_ACCESS_EN (0x00000001) + +#define CSR_GP_CNTRL_REG_MSK_POWER_SAVE_TYPE (0x07000000) +#define CSR_GP_CNTRL_REG_FLAG_MAC_POWER_SAVE (0x04000000) +#define CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW (0x08000000) + + +/* EEPROM REG */ +#define CSR_EEPROM_REG_READ_VALID_MSK (0x00000001) +#define CSR_EEPROM_REG_BIT_CMD (0x00000002) + +/* EEPROM GP */ +#define CSR_EEPROM_GP_VALID_MSK (0x00000006) +#define CSR_EEPROM_GP_BAD_SIGNATURE (0x00000000) +#define CSR_EEPROM_GP_IF_OWNER_MSK (0x00000180) + +/* UCODE DRV GP */ +#define CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP (0x00000001) +#define CSR_UCODE_SW_BIT_RFKILL (0x00000002) +#define CSR_UCODE_DRV_GP1_BIT_CMD_BLOCKED (0x00000004) +#define CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT (0x00000008) + +/* GPIO */ +#define CSR_GPIO_IN_BIT_AUX_POWER (0x00000200) +#define CSR_GPIO_IN_VAL_VAUX_PWR_SRC (0x00000000) +#define CSR_GPIO_IN_VAL_VMAIN_PWR_SRC CSR_GPIO_IN_BIT_AUX_POWER + +/* GI Chicken Bits */ +#define CSR_GIO_CHICKEN_BITS_REG_BIT_L1A_NO_L0S_RX (0x00800000) +#define CSR_GIO_CHICKEN_BITS_REG_BIT_DIS_L0S_EXIT_TIMER (0x20000000) + +/*=== HBUS (Host-side Bus) ===*/ +#define HBUS_BASE (0x400) +/* + * Registers for accessing device's internal SRAM memory (e.g. SCD SRAM + * structures, error log, event log, verifying uCode load). + * First write to address register, then read from or write to data register + * to complete the job. Once the address register is set up, accesses to + * data registers auto-increment the address by one dword. + * Bit usage for address registers (read or write): + * 0-31: memory address within device + */ +#define HBUS_TARG_MEM_RADDR (HBUS_BASE+0x00c) +#define HBUS_TARG_MEM_WADDR (HBUS_BASE+0x010) +#define HBUS_TARG_MEM_WDAT (HBUS_BASE+0x018) +#define HBUS_TARG_MEM_RDAT (HBUS_BASE+0x01c) + +/* + * Registers for accessing device's internal peripheral registers + * (e.g. SCD, BSM, etc.). First write to address register, + * then read from or write to data register to complete the job. + * Bit usage for address registers (read or write): + * 0-15: register address (offset) within device + * 24-25: (# bytes - 1) to read or write (e.g. 3 for dword) + */ +#define HBUS_TARG_PRPH_WADDR (HBUS_BASE+0x044) +#define HBUS_TARG_PRPH_RADDR (HBUS_BASE+0x048) +#define HBUS_TARG_PRPH_WDAT (HBUS_BASE+0x04c) +#define HBUS_TARG_PRPH_RDAT (HBUS_BASE+0x050) + +/* + * Per-Tx-queue write pointer (index, really!) (3945 and 4965). + * Indicates index to next TFD that driver will fill (1 past latest filled). + * Bit usage: + * 0-7: queue write index + * 11-8: queue selector + */ +#define HBUS_TARG_WRPTR (HBUS_BASE+0x060) +#define HBUS_TARG_MBX_C (HBUS_BASE+0x030) + +#define HBUS_TARG_MBX_C_REG_BIT_CMD_BLOCKED (0x00000004) + + + diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-eeprom.c new file mode 100644 index 000000000000..0064387dea91 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.c @@ -0,0 +1,205 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2008 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Tomas Winkler <tomas.winkler@intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2005 - 2008 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + *****************************************************************************/ + + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/version.h> +#include <linux/init.h> + +#include <net/mac80211.h> + +#include "iwl-4965-commands.h" +#include "iwl-4965.h" +#include "iwl-core.h" +#include "iwl-4965-debug.h" +#include "iwl-eeprom.h" +#include "iwl-4965-io.h" + +/****************************************************************************** + * + * EEPROM related functions + * +******************************************************************************/ + +int iwlcore_eeprom_verify_signature(struct iwl4965_priv *priv) +{ + u32 gp = iwl4965_read32(priv, CSR_EEPROM_GP); + if ((gp & CSR_EEPROM_GP_VALID_MSK) == CSR_EEPROM_GP_BAD_SIGNATURE) { + IWL_ERROR("EEPROM not found, EEPROM_GP=0x%08x", gp); + return -ENOENT; + } + return 0; +} +EXPORT_SYMBOL(iwlcore_eeprom_verify_signature); + +/* + * The device's EEPROM semaphore prevents conflicts between driver and uCode + * when accessing the EEPROM; each access is a series of pulses to/from the + * EEPROM chip, not a single event, so even reads could conflict if they + * weren't arbitrated by the semaphore. + */ +int iwlcore_eeprom_acquire_semaphore(struct iwl4965_priv *priv) +{ + u16 count; + int ret; + + for (count = 0; count < EEPROM_SEM_RETRY_LIMIT; count++) { + /* Request semaphore */ + iwl4965_set_bit(priv, CSR_HW_IF_CONFIG_REG, + CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM); + + /* See if we got it */ + ret = iwl4965_poll_bit(priv, CSR_HW_IF_CONFIG_REG, + CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM, + CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM, + EEPROM_SEM_TIMEOUT); + if (ret >= 0) { + IWL_DEBUG_IO("Acquired semaphore after %d tries.\n", + count+1); + return ret; + } + } + + return ret; +} +EXPORT_SYMBOL(iwlcore_eeprom_acquire_semaphore); + +void iwlcore_eeprom_release_semaphore(struct iwl4965_priv *priv) +{ + iwl4965_clear_bit(priv, CSR_HW_IF_CONFIG_REG, + CSR_HW_IF_CONFIG_REG_BIT_EEPROM_OWN_SEM); + +} +EXPORT_SYMBOL(iwlcore_eeprom_release_semaphore); + + +/** + * iwl_eeprom_init - read EEPROM contents + * + * Load the EEPROM contents from adapter into priv->eeprom + * + * NOTE: This routine uses the non-debug IO access functions. + */ +int iwl_eeprom_init(struct iwl4965_priv *priv) +{ + u16 *e = (u16 *)&priv->eeprom; + u32 gp = iwl4965_read32(priv, CSR_EEPROM_GP); + u32 r; + int sz = sizeof(priv->eeprom); + int ret; + int i; + u16 addr; + + /* The EEPROM structure has several padding buffers within it + * and when adding new EEPROM maps is subject to programmer errors + * which may be very difficult to identify without explicitly + * checking the resulting size of the eeprom map. */ + BUILD_BUG_ON(sizeof(priv->eeprom) != IWL_EEPROM_IMAGE_SIZE); + + if ((gp & CSR_EEPROM_GP_VALID_MSK) == CSR_EEPROM_GP_BAD_SIGNATURE) { + IWL_ERROR("EEPROM not found, EEPROM_GP=0x%08x", gp); + return -ENOENT; + } + + /* Make sure driver (instead of uCode) is allowed to read EEPROM */ + ret = priv->cfg->ops->lib->eeprom_ops.acquire_semaphore(priv); + if (ret < 0) { + IWL_ERROR("Failed to acquire EEPROM semaphore.\n"); + return -ENOENT; + } + + /* eeprom is an array of 16bit values */ + for (addr = 0; addr < sz; addr += sizeof(u16)) { + _iwl4965_write32(priv, CSR_EEPROM_REG, addr << 1); + _iwl4965_clear_bit(priv, CSR_EEPROM_REG, CSR_EEPROM_REG_BIT_CMD); + + for (i = 0; i < IWL_EEPROM_ACCESS_TIMEOUT; + i += IWL_EEPROM_ACCESS_DELAY) { + r = _iwl4965_read_direct32(priv, CSR_EEPROM_REG); + if (r & CSR_EEPROM_REG_READ_VALID_MSK) + break; + udelay(IWL_EEPROM_ACCESS_DELAY); + } + + if (!(r & CSR_EEPROM_REG_READ_VALID_MSK)) { + IWL_ERROR("Time out reading EEPROM[%d]", addr); + ret = -ETIMEDOUT; + goto done; + } + e[addr / 2] = le16_to_cpu((__force __le16)(r >> 16)); + } + ret = 0; + +done: + priv->cfg->ops->lib->eeprom_ops.release_semaphore(priv); + return ret; +} +EXPORT_SYMBOL(iwl_eeprom_init); + + +void iwl_eeprom_get_mac(const struct iwl4965_priv *priv, u8 *mac) +{ + memcpy(mac, priv->eeprom.mac_address, 6); +} +EXPORT_SYMBOL(iwl_eeprom_get_mac); + diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.h b/drivers/net/wireless/iwlwifi/iwl-eeprom.h new file mode 100644 index 000000000000..7827566dcc8b --- /dev/null +++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.h @@ -0,0 +1,399 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2008 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called LICENSE.GPL. + * + * Contact Information: + * Tomas Winkler <tomas.winkler@intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2005 - 2008 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + *****************************************************************************/ + +#ifndef __iwl_eeprom_h__ +#define __iwl_eeprom_h__ + +struct iwl4965_priv; + +/* + * EEPROM access time values: + * + * Driver initiates EEPROM read by writing byte address << 1 to CSR_EEPROM_REG, + * then clearing (with subsequent read/modify/write) CSR_EEPROM_REG bit + * CSR_EEPROM_REG_BIT_CMD (0x2). + * Driver then polls CSR_EEPROM_REG for CSR_EEPROM_REG_READ_VALID_MSK (0x1). + * When polling, wait 10 uSec between polling loops, up to a maximum 5000 uSec. + * Driver reads 16-bit value from bits 31-16 of CSR_EEPROM_REG. + */ +#define IWL_EEPROM_ACCESS_TIMEOUT 5000 /* uSec */ +#define IWL_EEPROM_ACCESS_DELAY 10 /* uSec */ + +#define IWL_EEPROM_SEM_TIMEOUT 10 /* milliseconds */ +#define IWL_EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */ + + +/* + * Regulatory channel usage flags in EEPROM struct iwl4965_eeprom_channel.flags. + * + * IBSS and/or AP operation is allowed *only* on those channels with + * (VALID && IBSS && ACTIVE && !RADAR). This restriction is in place because + * RADAR detection is not supported by the 4965 driver, but is a + * requirement for establishing a new network for legal operation on channels + * requiring RADAR detection or restricting ACTIVE scanning. + * + * NOTE: "WIDE" flag does not indicate anything about "FAT" 40 MHz channels. + * It only indicates that 20 MHz channel use is supported; FAT channel + * usage is indicated by a separate set of regulatory flags for each + * FAT channel pair. + * + * NOTE: Using a channel inappropriately will result in a uCode error! + */ +#define IWL_NUM_TX_CALIB_GROUPS 5 +enum { + EEPROM_CHANNEL_VALID = (1 << 0), /* usable for this SKU/geo */ + EEPROM_CHANNEL_IBSS = (1 << 1), /* usable as an IBSS channel */ + /* Bit 2 Reserved */ + EEPROM_CHANNEL_ACTIVE = (1 << 3), /* active scanning allowed */ + EEPROM_CHANNEL_RADAR = (1 << 4), /* radar detection required */ + EEPROM_CHANNEL_WIDE = (1 << 5), /* 20 MHz channel okay */ + EEPROM_CHANNEL_NARROW = (1 << 6), /* 10 MHz channel (not used) */ + EEPROM_CHANNEL_DFS = (1 << 7), /* dynamic freq selection candidate */ +}; + +/* SKU Capabilities */ +#define EEPROM_SKU_CAP_SW_RF_KILL_ENABLE (1 << 0) +#define EEPROM_SKU_CAP_HW_RF_KILL_ENABLE (1 << 1) + +/* *regulatory* channel data format in eeprom, one for each channel. + * There are separate entries for FAT (40 MHz) vs. normal (20 MHz) channels. */ +struct iwl4965_eeprom_channel { + u8 flags; /* EEPROM_CHANNEL_* flags copied from EEPROM */ + s8 max_power_avg; /* max power (dBm) on this chnl, limit 31 */ +} __attribute__ ((packed)); + +/* 4965 has two radio transmitters (and 3 radio receivers) */ +#define EEPROM_TX_POWER_TX_CHAINS (2) + +/* 4965 has room for up to 8 sets of txpower calibration data */ +#define EEPROM_TX_POWER_BANDS (8) + +/* 4965 factory calibration measures txpower gain settings for + * each of 3 target output levels */ +#define EEPROM_TX_POWER_MEASUREMENTS (3) + +#define EEPROM_4965_TX_POWER_VERSION (2) + +/* 4965 driver does not work with txpower calibration version < 5. + * Look for this in calib_version member of struct iwl4965_eeprom. */ +#define EEPROM_TX_POWER_VERSION_NEW (5) + + +/* + * 4965 factory calibration data for one txpower level, on one channel, + * measured on one of the 2 tx chains (radio transmitter and associated + * antenna). EEPROM contains: + * + * 1) Temperature (degrees Celsius) of device when measurement was made. + * + * 2) Gain table index used to achieve the target measurement power. + * This refers to the "well-known" gain tables (see iwl-4965-hw.h). + * + * 3) Actual measured output power, in half-dBm ("34" = 17 dBm). + * + * 4) RF power amplifier detector level measurement (not used). + */ +struct iwl4965_eeprom_calib_measure { + u8 temperature; /* Device temperature (Celsius) */ + u8 gain_idx; /* Index into gain table */ + u8 actual_pow; /* Measured RF output power, half-dBm */ + s8 pa_det; /* Power amp detector level (not used) */ +} __attribute__ ((packed)); + + +/* + * 4965 measurement set for one channel. EEPROM contains: + * + * 1) Channel number measured + * + * 2) Measurements for each of 3 power levels for each of 2 radio transmitters + * (a.k.a. "tx chains") (6 measurements altogether) + */ +struct iwl4965_eeprom_calib_ch_info { + u8 ch_num; + struct iwl4965_eeprom_calib_measure + measurements[EEPROM_TX_POWER_TX_CHAINS] + [EEPROM_TX_POWER_MEASUREMENTS]; +} __attribute__ ((packed)); + +/* + * 4965 txpower subband info. + * + * For each frequency subband, EEPROM contains the following: + * + * 1) First and last channels within range of the subband. "0" values + * indicate that this sample set is not being used. + * + * 2) Sample measurement sets for 2 channels close to the range endpoints. + */ +struct iwl4965_eeprom_calib_subband_info { + u8 ch_from; /* channel number of lowest channel in subband */ + u8 ch_to; /* channel number of highest channel in subband */ + struct iwl4965_eeprom_calib_ch_info ch1; + struct iwl4965_eeprom_calib_ch_info ch2; +} __attribute__ ((packed)); + + +/* + * 4965 txpower calibration info. EEPROM contains: + * + * 1) Factory-measured saturation power levels (maximum levels at which + * tx power amplifier can output a signal without too much distortion). + * There is one level for 2.4 GHz band and one for 5 GHz band. These + * values apply to all channels within each of the bands. + * + * 2) Factory-measured power supply voltage level. This is assumed to be + * constant (i.e. same value applies to all channels/bands) while the + * factory measurements are being made. + * + * 3) Up to 8 sets of factory-measured txpower calibration values. + * These are for different frequency ranges, since txpower gain + * characteristics of the analog radio circuitry vary with frequency. + * + * Not all sets need to be filled with data; + * struct iwl4965_eeprom_calib_subband_info contains range of channels + * (0 if unused) for each set of data. + */ +struct iwl4965_eeprom_calib_info { + u8 saturation_power24; /* half-dBm (e.g. "34" = 17 dBm) */ + u8 saturation_power52; /* half-dBm */ + s16 voltage; /* signed */ + struct iwl4965_eeprom_calib_subband_info + band_info[EEPROM_TX_POWER_BANDS]; +} __attribute__ ((packed)); + + + +/* + * 4965 EEPROM map + */ +struct iwl4965_eeprom { + u8 reserved0[16]; +#define EEPROM_DEVICE_ID (2*0x08) /* 2 bytes */ + u16 device_id; /* abs.ofs: 16 */ + u8 reserved1[2]; +#define EEPROM_PMC (2*0x0A) /* 2 bytes */ + u16 pmc; /* abs.ofs: 20 */ + u8 reserved2[20]; +#define EEPROM_MAC_ADDRESS (2*0x15) /* 6 bytes */ + u8 mac_address[6]; /* abs.ofs: 42 */ + u8 reserved3[58]; +#define EEPROM_BOARD_REVISION (2*0x35) /* 2 bytes */ + u16 board_revision; /* abs.ofs: 106 */ + u8 reserved4[11]; +#define EEPROM_BOARD_PBA_NUMBER (2*0x3B+1) /* 9 bytes */ + u8 board_pba_number[9]; /* abs.ofs: 119 */ + u8 reserved5[8]; +#define EEPROM_VERSION (2*0x44) /* 2 bytes */ + u16 version; /* abs.ofs: 136 */ +#define EEPROM_SKU_CAP (2*0x45) /* 1 bytes */ + u8 sku_cap; /* abs.ofs: 138 */ +#define EEPROM_LEDS_MODE (2*0x45+1) /* 1 bytes */ + u8 leds_mode; /* abs.ofs: 139 */ +#define EEPROM_OEM_MODE (2*0x46) /* 2 bytes */ + u16 oem_mode; +#define EEPROM_WOWLAN_MODE (2*0x47) /* 2 bytes */ + u16 wowlan_mode; /* abs.ofs: 142 */ +#define EEPROM_LEDS_TIME_INTERVAL (2*0x48) /* 2 bytes */ + u16 leds_time_interval; /* abs.ofs: 144 */ +#define EEPROM_LEDS_OFF_TIME (2*0x49) /* 1 bytes */ + u8 leds_off_time; /* abs.ofs: 146 */ +#define EEPROM_LEDS_ON_TIME (2*0x49+1) /* 1 bytes */ + u8 leds_on_time; /* abs.ofs: 147 */ +#define EEPROM_ALMGOR_M_VERSION (2*0x4A) /* 1 bytes */ + u8 almgor_m_version; /* abs.ofs: 148 */ +#define EEPROM_ANTENNA_SWITCH_TYPE (2*0x4A+1) /* 1 bytes */ + u8 antenna_switch_type; /* abs.ofs: 149 */ + u8 reserved6[8]; +#define EEPROM_4965_BOARD_REVISION (2*0x4F) /* 2 bytes */ + u16 board_revision_4965; /* abs.ofs: 158 */ + u8 reserved7[13]; +#define EEPROM_4965_BOARD_PBA (2*0x56+1) /* 9 bytes */ + u8 board_pba_number_4965[9]; /* abs.ofs: 173 */ + u8 reserved8[10]; +#define EEPROM_REGULATORY_SKU_ID (2*0x60) /* 4 bytes */ + u8 sku_id[4]; /* abs.ofs: 192 */ + +/* + * Per-channel regulatory data. + * + * Each channel that *might* be supported by 3945 or 4965 has a fixed location + * in EEPROM containing EEPROM_CHANNEL_* usage flags (LSB) and max regulatory + * txpower (MSB). + * + * Entries immediately below are for 20 MHz channel width. FAT (40 MHz) + * channels (only for 4965, not supported by 3945) appear later in the EEPROM. + * + * 2.4 GHz channels 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 + */ +#define EEPROM_REGULATORY_BAND_1 (2*0x62) /* 2 bytes */ + u16 band_1_count; /* abs.ofs: 196 */ +#define EEPROM_REGULATORY_BAND_1_CHANNELS (2*0x63) /* 28 bytes */ + struct iwl4965_eeprom_channel band_1_channels[14]; /* abs.ofs: 196 */ + +/* + * 4.9 GHz channels 183, 184, 185, 187, 188, 189, 192, 196, + * 5.0 GHz channels 7, 8, 11, 12, 16 + * (4915-5080MHz) (none of these is ever supported) + */ +#define EEPROM_REGULATORY_BAND_2 (2*0x71) /* 2 bytes */ + u16 band_2_count; /* abs.ofs: 226 */ +#define EEPROM_REGULATORY_BAND_2_CHANNELS (2*0x72) /* 26 bytes */ + struct iwl4965_eeprom_channel band_2_channels[13]; /* abs.ofs: 228 */ + +/* + * 5.2 GHz channels 34, 36, 38, 40, 42, 44, 46, 48, 52, 56, 60, 64 + * (5170-5320MHz) + */ +#define EEPROM_REGULATORY_BAND_3 (2*0x7F) /* 2 bytes */ + u16 band_3_count; /* abs.ofs: 254 */ +#define EEPROM_REGULATORY_BAND_3_CHANNELS (2*0x80) /* 24 bytes */ + struct iwl4965_eeprom_channel band_3_channels[12]; /* abs.ofs: 256 */ + +/* + * 5.5 GHz channels 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140 + * (5500-5700MHz) + */ +#define EEPROM_REGULATORY_BAND_4 (2*0x8C) /* 2 bytes */ + u16 band_4_count; /* abs.ofs: 280 */ +#define EEPROM_REGULATORY_BAND_4_CHANNELS (2*0x8D) /* 22 bytes */ + struct iwl4965_eeprom_channel band_4_channels[11]; /* abs.ofs: 282 */ + +/* + * 5.7 GHz channels 145, 149, 153, 157, 161, 165 + * (5725-5825MHz) + */ +#define EEPROM_REGULATORY_BAND_5 (2*0x98) /* 2 bytes */ + u16 band_5_count; /* abs.ofs: 304 */ +#define EEPROM_REGULATORY_BAND_5_CHANNELS (2*0x99) /* 12 bytes */ + struct iwl4965_eeprom_channel band_5_channels[6]; /* abs.ofs: 306 */ + + u8 reserved10[2]; + + +/* + * 2.4 GHz FAT channels 1 (5), 2 (6), 3 (7), 4 (8), 5 (9), 6 (10), 7 (11) + * + * The channel listed is the center of the lower 20 MHz half of the channel. + * The overall center frequency is actually 2 channels (10 MHz) above that, + * and the upper half of each FAT channel is centered 4 channels (20 MHz) away + * from the lower half; e.g. the upper half of FAT channel 1 is channel 5, + * and the overall FAT channel width centers on channel 3. + * + * NOTE: The RXON command uses 20 MHz channel numbers to specify the + * control channel to which to tune. RXON also specifies whether the + * control channel is the upper or lower half of a FAT channel. + * + * NOTE: 4965 does not support FAT channels on 2.4 GHz. + */ +#define EEPROM_REGULATORY_BAND_24_FAT_CHANNELS (2*0xA0) /* 14 bytes */ + struct iwl4965_eeprom_channel band_24_channels[7]; /* abs.ofs: 320 */ + u8 reserved11[2]; + +/* + * 5.2 GHz FAT channels 36 (40), 44 (48), 52 (56), 60 (64), + * 100 (104), 108 (112), 116 (120), 124 (128), 132 (136), 149 (153), 157 (161) + */ +#define EEPROM_REGULATORY_BAND_52_FAT_CHANNELS (2*0xA8) /* 22 bytes */ + struct iwl4965_eeprom_channel band_52_channels[11]; /* abs.ofs: 336 */ + u8 reserved12[6]; + +/* + * 4965 driver requires txpower calibration format version 5 or greater. + * Driver does not work with txpower calibration version < 5. + * This value is simply a 16-bit number, no major/minor versions here. + */ +#define EEPROM_CALIB_VERSION_OFFSET (2*0xB6) /* 2 bytes */ + u16 calib_version; /* abs.ofs: 364 */ + u8 reserved13[2]; + u8 reserved14[96]; /* abs.ofs: 368 */ + +/* + * 4965 Txpower calibration data. + */ +#define EEPROM_IWL_CALIB_TXPOWER_OFFSET (2*0xE8) /* 48 bytes */ + struct iwl4965_eeprom_calib_info calib_info; /* abs.ofs: 464 */ + + u8 reserved16[140]; /* fill out to full 1024 byte block */ + + +} __attribute__ ((packed)); + +#define IWL_EEPROM_IMAGE_SIZE 1024 + +/* End of EEPROM */ + +struct iwl_eeprom_ops { + int (*verify_signature) (struct iwl4965_priv *priv); + int (*acquire_semaphore) (struct iwl4965_priv *priv); + void (*release_semaphore) (struct iwl4965_priv *priv); +}; + + +void iwl_eeprom_get_mac(const struct iwl4965_priv *priv, u8 *mac); +int iwl_eeprom_init(struct iwl4965_priv *priv); + +int iwlcore_eeprom_verify_signature(struct iwl4965_priv *priv); +int iwlcore_eeprom_acquire_semaphore(struct iwl4965_priv *priv); +void iwlcore_eeprom_release_semaphore(struct iwl4965_priv *priv); + +#endif /* __iwl_eeprom_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-helpers.h b/drivers/net/wireless/iwlwifi/iwl-helpers.h index 8993cca81b40..736b88881b03 100644 --- a/drivers/net/wireless/iwlwifi/iwl-helpers.h +++ b/drivers/net/wireless/iwlwifi/iwl-helpers.h @@ -254,6 +254,26 @@ static inline u8 iwl_get_dma_hi_address(dma_addr_t addr) return sizeof(addr) > sizeof(u32) ? (addr >> 16) >> 16 : 0; } +/** + * iwl_queue_inc_wrap - increment queue index, wrap back to beginning + * @index -- current index + * @n_bd -- total number of entries in queue (must be power of 2) + */ +static inline int iwl_queue_inc_wrap(int index, int n_bd) +{ + return ++index & (n_bd - 1); +} + +/** + * iwl_queue_dec_wrap - decrement queue index, wrap back to end + * @index -- current index + * @n_bd -- total number of entries in queue (must be power of 2) + */ +static inline int iwl_queue_dec_wrap(int index, int n_bd) +{ + return --index & (n_bd - 1); +} + /* TODO: Move fw_desc functions to iwl-pci.ko */ static inline void iwl_free_fw_desc(struct pci_dev *pci_dev, struct fw_desc *desc) diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 0fab832ce8c2..ecf749c2dc0a 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -46,6 +46,7 @@ #include <asm/div64.h> +#include "iwl-3945-core.h" #include "iwl-3945.h" #include "iwl-helpers.h" @@ -95,11 +96,6 @@ int iwl3945_param_queues_num = IWL_MAX_NUM_QUEUES; /* def: 8 Tx queues */ #define DRV_COPYRIGHT "Copyright(c) 2003-2007 Intel Corporation" #define DRV_VERSION IWLWIFI_VERSION -/* Change firmware file name, using "-" and incrementing number, - * *only* when uCode interface or architecture changes so that it - * is not compatible with earlier drivers. - * This number will also appear in << 8 position of 1st dword of uCode file */ -#define IWL3945_UCODE_API "-1" MODULE_DESCRIPTION(DRV_DESCRIPTION); MODULE_VERSION(DRV_VERSION); @@ -162,17 +158,6 @@ static const char *iwl3945_escape_essid(const char *essid, u8 essid_len) return escaped; } -static void iwl3945_print_hex_dump(int level, void *p, u32 len) -{ -#ifdef CONFIG_IWL3945_DEBUG - if (!(iwl3945_debug_level & level)) - return; - - print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1, - p, len, 1); -#endif -} - /*************** DMA-QUEUE-GENERAL-FUNCTIONS ***** * DMA services * @@ -198,7 +183,7 @@ static void iwl3945_print_hex_dump(int level, void *p, u32 len) * (#0-3) for data tx via EDCA. An additional 2 HCCA queues are unused. ***************************************************/ -static int iwl3945_queue_space(const struct iwl3945_queue *q) +int iwl3945_queue_space(const struct iwl3945_queue *q) { int s = q->read_ptr - q->write_ptr; @@ -214,33 +199,14 @@ static int iwl3945_queue_space(const struct iwl3945_queue *q) return s; } -/** - * iwl3945_queue_inc_wrap - increment queue index, wrap back to beginning - * @index -- current index - * @n_bd -- total number of entries in queue (must be power of 2) - */ -static inline int iwl3945_queue_inc_wrap(int index, int n_bd) -{ - return ++index & (n_bd - 1); -} - -/** - * iwl3945_queue_dec_wrap - increment queue index, wrap back to end - * @index -- current index - * @n_bd -- total number of entries in queue (must be power of 2) - */ -static inline int iwl3945_queue_dec_wrap(int index, int n_bd) -{ - return --index & (n_bd - 1); -} - -static inline int x2_queue_used(const struct iwl3945_queue *q, int i) +int iwl3945_x2_queue_used(const struct iwl3945_queue *q, int i) { return q->write_ptr > q->read_ptr ? (i >= q->read_ptr && i < q->write_ptr) : !(i < q->read_ptr && i >= q->write_ptr); } + static inline u8 get_cmd_index(struct iwl3945_queue *q, u32 index, int is_huge) { /* This is for scan command, the big buffer at end of command array */ @@ -261,8 +227,8 @@ static int iwl3945_queue_init(struct iwl3945_priv *priv, struct iwl3945_queue *q q->n_window = slots_num; q->id = id; - /* count must be power-of-two size, otherwise iwl3945_queue_inc_wrap - * and iwl3945_queue_dec_wrap are broken. */ + /* count must be power-of-two size, otherwise iwl_queue_inc_wrap + * and iwl_queue_dec_wrap are broken. */ BUG_ON(!is_power_of_2(count)); /* slots_num must be power-of-two size, otherwise @@ -362,7 +328,7 @@ int iwl3945_tx_queue_init(struct iwl3945_priv *priv, txq->need_update = 0; /* TFD_QUEUE_SIZE_MAX must be power-of-two size, otherwise - * iwl3945_queue_inc_wrap and iwl3945_queue_dec_wrap are broken. */ + * iwl_queue_inc_wrap and iwl_queue_dec_wrap are broken. */ BUILD_BUG_ON(TFD_QUEUE_SIZE_MAX & (TFD_QUEUE_SIZE_MAX - 1)); /* Initialize queue high/low-water, head/tail indexes */ @@ -393,7 +359,7 @@ void iwl3945_tx_queue_free(struct iwl3945_priv *priv, struct iwl3945_tx_queue *t /* first, empty all BD's */ for (; q->write_ptr != q->read_ptr; - q->read_ptr = iwl3945_queue_inc_wrap(q->read_ptr, q->n_bd)) + q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) iwl3945_hw_txq_free_tfd(priv, txq); len = sizeof(struct iwl3945_cmd) * q->n_window; @@ -732,7 +698,7 @@ static int iwl3945_enqueue_hcmd(struct iwl3945_priv *priv, struct iwl3945_host_c txq->need_update = 1; /* Increment and update queue's write index */ - q->write_ptr = iwl3945_queue_inc_wrap(q->write_ptr, q->n_bd); + q->write_ptr = iwl_queue_inc_wrap(q->write_ptr, q->n_bd); ret = iwl3945_tx_queue_update_write_ptr(priv, txq); spin_unlock_irqrestore(&priv->hcmd_lock, flags); @@ -1630,151 +1596,6 @@ int iwl3945_eeprom_init(struct iwl3945_priv *priv) return 0; } -/****************************************************************************** - * - * Misc. internal state and helper functions - * - ******************************************************************************/ -#ifdef CONFIG_IWL3945_DEBUG - -/** - * iwl3945_report_frame - dump frame to syslog during debug sessions - * - * You may hack this function to show different aspects of received frames, - * including selective frame dumps. - * group100 parameter selects whether to show 1 out of 100 good frames. - */ -void iwl3945_report_frame(struct iwl3945_priv *priv, - struct iwl3945_rx_packet *pkt, - struct ieee80211_hdr *header, int group100) -{ - u32 to_us; - u32 print_summary = 0; - u32 print_dump = 0; /* set to 1 to dump all frames' contents */ - u32 hundred = 0; - u32 dataframe = 0; - u16 fc; - u16 seq_ctl; - u16 channel; - u16 phy_flags; - int rate_sym; - u16 length; - u16 status; - u16 bcn_tmr; - u32 tsf_low; - u64 tsf; - u8 rssi; - u8 agc; - u16 sig_avg; - u16 noise_diff; - struct iwl3945_rx_frame_stats *rx_stats = IWL_RX_STATS(pkt); - struct iwl3945_rx_frame_hdr *rx_hdr = IWL_RX_HDR(pkt); - struct iwl3945_rx_frame_end *rx_end = IWL_RX_END(pkt); - u8 *data = IWL_RX_DATA(pkt); - - /* MAC header */ - fc = le16_to_cpu(header->frame_control); - seq_ctl = le16_to_cpu(header->seq_ctrl); - - /* metadata */ - channel = le16_to_cpu(rx_hdr->channel); - phy_flags = le16_to_cpu(rx_hdr->phy_flags); - rate_sym = rx_hdr->rate; - length = le16_to_cpu(rx_hdr->len); - - /* end-of-frame status and timestamp */ - status = le32_to_cpu(rx_end->status); - bcn_tmr = le32_to_cpu(rx_end->beacon_timestamp); - tsf_low = le64_to_cpu(rx_end->timestamp) & 0x0ffffffff; - tsf = le64_to_cpu(rx_end->timestamp); - - /* signal statistics */ - rssi = rx_stats->rssi; - agc = rx_stats->agc; - sig_avg = le16_to_cpu(rx_stats->sig_avg); - noise_diff = le16_to_cpu(rx_stats->noise_diff); - - to_us = !compare_ether_addr(header->addr1, priv->mac_addr); - - /* if data frame is to us and all is good, - * (optionally) print summary for only 1 out of every 100 */ - if (to_us && (fc & ~IEEE80211_FCTL_PROTECTED) == - (IEEE80211_FCTL_FROMDS | IEEE80211_FTYPE_DATA)) { - dataframe = 1; - if (!group100) - print_summary = 1; /* print each frame */ - else if (priv->framecnt_to_us < 100) { - priv->framecnt_to_us++; - print_summary = 0; - } else { - priv->framecnt_to_us = 0; - print_summary = 1; - hundred = 1; - } - } else { - /* print summary for all other frames */ - print_summary = 1; - } - - if (print_summary) { - char *title; - u32 rate; - - if (hundred) - title = "100Frames"; - else if (fc & IEEE80211_FCTL_RETRY) - title = "Retry"; - else if (ieee80211_is_assoc_response(fc)) - title = "AscRsp"; - else if (ieee80211_is_reassoc_response(fc)) - title = "RasRsp"; - else if (ieee80211_is_probe_response(fc)) { - title = "PrbRsp"; - print_dump = 1; /* dump frame contents */ - } else if (ieee80211_is_beacon(fc)) { - title = "Beacon"; - print_dump = 1; /* dump frame contents */ - } else if (ieee80211_is_atim(fc)) - title = "ATIM"; - else if (ieee80211_is_auth(fc)) - title = "Auth"; - else if (ieee80211_is_deauth(fc)) - title = "DeAuth"; - else if (ieee80211_is_disassoc(fc)) - title = "DisAssoc"; - else - title = "Frame"; - - rate = iwl3945_rate_index_from_plcp(rate_sym); - if (rate == -1) - rate = 0; - else - rate = iwl3945_rates[rate].ieee / 2; - - /* print frame summary. - * MAC addresses show just the last byte (for brevity), - * but you can hack it to show more, if you'd like to. */ - if (dataframe) - IWL_DEBUG_RX("%s: mhd=0x%04x, dst=0x%02x, " - "len=%u, rssi=%d, chnl=%d, rate=%u, \n", - title, fc, header->addr1[5], - length, rssi, channel, rate); - else { - /* src/dst addresses assume managed mode */ - IWL_DEBUG_RX("%s: 0x%04x, dst=0x%02x, " - "src=0x%02x, rssi=%u, tim=%lu usec, " - "phy=0x%02x, chnl=%d\n", - title, fc, header->addr1[5], - header->addr3[5], rssi, - tsf_low - priv->scan_start_tsf, - phy_flags, channel); - } - } - if (print_dump) - iwl3945_print_hex_dump(IWL_DL_RX, data, length); -} -#endif - static void iwl3945_unset_hw_setting(struct iwl3945_priv *priv) { if (priv->hw_setting.shared_virt) @@ -2242,34 +2063,6 @@ int iwl3945_is_network_packet(struct iwl3945_priv *priv, struct ieee80211_hdr *h return 1; } -#define TX_STATUS_ENTRY(x) case TX_STATUS_FAIL_ ## x: return #x - -static const char *iwl3945_get_tx_fail_reason(u32 status) -{ - switch (status & TX_STATUS_MSK) { - case TX_STATUS_SUCCESS: - return "SUCCESS"; - TX_STATUS_ENTRY(SHORT_LIMIT); - TX_STATUS_ENTRY(LONG_LIMIT); - TX_STATUS_ENTRY(FIFO_UNDERRUN); - TX_STATUS_ENTRY(MGMNT_ABORT); - TX_STATUS_ENTRY(NEXT_FRAG); - TX_STATUS_ENTRY(LIFE_EXPIRE); - TX_STATUS_ENTRY(DEST_PS); - TX_STATUS_ENTRY(ABORTED); - TX_STATUS_ENTRY(BT_RETRY); - TX_STATUS_ENTRY(STA_INVALID); - TX_STATUS_ENTRY(FRAG_DROPPED); - TX_STATUS_ENTRY(TID_DISABLE); - TX_STATUS_ENTRY(FRAME_FLUSHED); - TX_STATUS_ENTRY(INSUFFICIENT_CF_POLL); - TX_STATUS_ENTRY(TX_LOCKED); - TX_STATUS_ENTRY(NO_BEACON_ON_RADAR); - } - - return "UNKNOWN"; -} - /** * iwl3945_scan_cancel - Cancel any currently executing HW scan * @@ -2957,7 +2750,7 @@ static int iwl3945_tx_skb(struct iwl3945_priv *priv, ieee80211_get_hdrlen(fc)); /* Tell device the write index *just past* this latest filled TFD */ - q->write_ptr = iwl3945_queue_inc_wrap(q->write_ptr, q->n_bd); + q->write_ptr = iwl_queue_inc_wrap(q->write_ptr, q->n_bd); rc = iwl3945_tx_queue_update_write_ptr(priv, txq); spin_unlock_irqrestore(&priv->lock, flags); @@ -3317,125 +3110,6 @@ static int iwl3945_get_measurement(struct iwl3945_priv *priv, } #endif -static void iwl3945_txstatus_to_ieee(struct iwl3945_priv *priv, - struct iwl3945_tx_info *tx_sta) -{ - - tx_sta->status.ack_signal = 0; - tx_sta->status.excessive_retries = 0; - tx_sta->status.queue_length = 0; - tx_sta->status.queue_number = 0; - - if (in_interrupt()) - ieee80211_tx_status_irqsafe(priv->hw, - tx_sta->skb[0], &(tx_sta->status)); - else - ieee80211_tx_status(priv->hw, - tx_sta->skb[0], &(tx_sta->status)); - - tx_sta->skb[0] = NULL; -} - -/** - * iwl3945_tx_queue_reclaim - Reclaim Tx queue entries already Tx'd - * - * When FW advances 'R' index, all entries between old and new 'R' index - * need to be reclaimed. As result, some free space forms. If there is - * enough free space (> low mark), wake the stack that feeds us. - */ -static int iwl3945_tx_queue_reclaim(struct iwl3945_priv *priv, int txq_id, int index) -{ - struct iwl3945_tx_queue *txq = &priv->txq[txq_id]; - struct iwl3945_queue *q = &txq->q; - int nfreed = 0; - - if ((index >= q->n_bd) || (x2_queue_used(q, index) == 0)) { - IWL_ERROR("Read index for DMA queue txq id (%d), index %d, " - "is out of range [0-%d] %d %d.\n", txq_id, - index, q->n_bd, q->write_ptr, q->read_ptr); - return 0; - } - - for (index = iwl3945_queue_inc_wrap(index, q->n_bd); - q->read_ptr != index; - q->read_ptr = iwl3945_queue_inc_wrap(q->read_ptr, q->n_bd)) { - if (txq_id != IWL_CMD_QUEUE_NUM) { - iwl3945_txstatus_to_ieee(priv, - &(txq->txb[txq->q.read_ptr])); - iwl3945_hw_txq_free_tfd(priv, txq); - } else if (nfreed > 1) { - IWL_ERROR("HCMD skipped: index (%d) %d %d\n", index, - q->write_ptr, q->read_ptr); - queue_work(priv->workqueue, &priv->restart); - } - nfreed++; - } - - if (iwl3945_queue_space(q) > q->low_mark && (txq_id >= 0) && - (txq_id != IWL_CMD_QUEUE_NUM) && - priv->mac80211_registered) - ieee80211_wake_queue(priv->hw, txq_id); - - - return nfreed; -} - -static int iwl3945_is_tx_success(u32 status) -{ - return (status & 0xFF) == 0x1; -} - -/****************************************************************************** - * - * Generic RX handler implementations - * - ******************************************************************************/ -/** - * iwl3945_rx_reply_tx - Handle Tx response - */ -static void iwl3945_rx_reply_tx(struct iwl3945_priv *priv, - struct iwl3945_rx_mem_buffer *rxb) -{ - struct iwl3945_rx_packet *pkt = (void *)rxb->skb->data; - u16 sequence = le16_to_cpu(pkt->hdr.sequence); - int txq_id = SEQ_TO_QUEUE(sequence); - int index = SEQ_TO_INDEX(sequence); - struct iwl3945_tx_queue *txq = &priv->txq[txq_id]; - struct ieee80211_tx_status *tx_status; - struct iwl3945_tx_resp *tx_resp = (void *)&pkt->u.raw[0]; - u32 status = le32_to_cpu(tx_resp->status); - - if ((index >= txq->q.n_bd) || (x2_queue_used(&txq->q, index) == 0)) { - IWL_ERROR("Read index for DMA queue txq_id (%d) index %d " - "is out of range [0-%d] %d %d\n", txq_id, - index, txq->q.n_bd, txq->q.write_ptr, - txq->q.read_ptr); - return; - } - - tx_status = &(txq->txb[txq->q.read_ptr].status); - - tx_status->retry_count = tx_resp->failure_frame; - tx_status->queue_number = status; - tx_status->queue_length = tx_resp->bt_kill_count; - tx_status->queue_length |= tx_resp->failure_rts; - - tx_status->flags = - iwl3945_is_tx_success(status) ? IEEE80211_TX_STATUS_ACK : 0; - - IWL_DEBUG_TX("Tx queue %d Status %s (0x%08x) plcp rate %d retries %d\n", - txq_id, iwl3945_get_tx_fail_reason(status), status, - tx_resp->rate, tx_resp->failure_frame); - - IWL_DEBUG_TX_REPLY("Tx queue reclaim %d\n", index); - if (index != -1) - iwl3945_tx_queue_reclaim(priv, txq_id, index); - - if (iwl_check_bits(status, TX_ABORT_REQUIRED_MSK)) - IWL_ERROR("TODO: Implement Tx ABORT REQUIRED!!!\n"); -} - - static void iwl3945_rx_reply_alive(struct iwl3945_priv *priv, struct iwl3945_rx_mem_buffer *rxb) { @@ -3782,13 +3456,44 @@ static void iwl3945_setup_rx_handlers(struct iwl3945_priv *priv) priv->rx_handlers[SCAN_COMPLETE_NOTIFICATION] = iwl3945_rx_scan_complete_notif; priv->rx_handlers[CARD_STATE_NOTIFICATION] = iwl3945_rx_card_state_notif; - priv->rx_handlers[REPLY_TX] = iwl3945_rx_reply_tx; /* Set up hardware specific Rx handlers */ iwl3945_hw_rx_handler_setup(priv); } /** + * iwl3945_cmd_queue_reclaim - Reclaim CMD queue entries + * When FW advances 'R' index, all entries between old and new 'R' index + * need to be reclaimed. + */ +static void iwl3945_cmd_queue_reclaim(struct iwl3945_priv *priv, + int txq_id, int index) +{ + struct iwl3945_tx_queue *txq = &priv->txq[txq_id]; + struct iwl3945_queue *q = &txq->q; + int nfreed = 0; + + if ((index >= q->n_bd) || (iwl3945_x2_queue_used(q, index) == 0)) { + IWL_ERROR("Read index for DMA queue txq id (%d), index %d, " + "is out of range [0-%d] %d %d.\n", txq_id, + index, q->n_bd, q->write_ptr, q->read_ptr); + return; + } + + for (index = iwl_queue_inc_wrap(index, q->n_bd); q->read_ptr != index; + q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) { + if (nfreed > 1) { + IWL_ERROR("HCMD skipped: index (%d) %d %d\n", index, + q->write_ptr, q->read_ptr); + queue_work(priv->workqueue, &priv->restart); + break; + } + nfreed++; + } +} + + +/** * iwl3945_tx_cmd_complete - Pull unused buffers off the queue and reclaim them * @rxb: Rx buffer to reclaim * @@ -3807,12 +3512,6 @@ static void iwl3945_tx_cmd_complete(struct iwl3945_priv *priv, int cmd_index; struct iwl3945_cmd *cmd; - /* If a Tx command is being handled and it isn't in the actual - * command queue then there a command routing bug has been introduced - * in the queue management code. */ - if (txq_id != IWL_CMD_QUEUE_NUM) - IWL_ERROR("Error wrong command queue %d command id 0x%X\n", - txq_id, pkt->hdr.cmd); BUG_ON(txq_id != IWL_CMD_QUEUE_NUM); cmd_index = get_cmd_index(&priv->txq[IWL_CMD_QUEUE_NUM].q, index, huge); @@ -3826,7 +3525,7 @@ static void iwl3945_tx_cmd_complete(struct iwl3945_priv *priv, !cmd->meta.u.callback(priv, cmd, rxb->skb)) rxb->skb = NULL; - iwl3945_tx_queue_reclaim(priv, txq_id, index); + iwl3945_cmd_queue_reclaim(priv, txq_id, index); if (!(cmd->meta.flags & CMD_ASYNC)) { clear_bit(STATUS_HCMD_ACTIVE, &priv->status); @@ -4506,8 +4205,7 @@ static void iwl3945_dump_nic_error_log(struct iwl3945_priv *priv) if (ERROR_START_OFFSET <= count * ERROR_ELEM_SIZE) { IWL_ERROR("Start IWL Error Log Dump:\n"); - IWL_ERROR("Status: 0x%08lX, Config: %08X count: %d\n", - priv->status, priv->config, count); + IWL_ERROR("Status: 0x%08lX, count: %d\n", priv->status, count); } IWL_ERROR("Desc Time asrtPC blink2 " @@ -4727,9 +4425,9 @@ static void iwl3945_irq_tasklet(struct iwl3945_priv *priv) * atomic, make sure that inta covers all the interrupts that * we've discovered, even if FH interrupt came in just after * reading CSR_INT. */ - if (inta_fh & CSR_FH_INT_RX_MASK) + if (inta_fh & CSR39_FH_INT_RX_MASK) inta |= CSR_INT_BIT_FH_RX; - if (inta_fh & CSR_FH_INT_TX_MASK) + if (inta_fh & CSR39_FH_INT_TX_MASK) inta |= CSR_INT_BIT_FH_TX; /* Now service all interrupt bits discovered above. */ @@ -5119,11 +4817,12 @@ static int iwl3945_init_channel_map(struct iwl3945_priv *priv) ch_info->scan_power = eeprom_ch_info[ch].max_power_avg; ch_info->min_power = 0; - IWL_DEBUG_INFO("Ch. %d [%sGHz] %s%s%s%s%s%s(0x%02x" + IWL_DEBUG_INFO("Ch. %d [%sGHz] %s%s%s%s%s%s%s(0x%02x" " %ddBm): Ad-Hoc %ssupported\n", ch_info->channel, is_channel_a_band(ch_info) ? "5.2" : "2.4", + CHECK_AND_PRINT(VALID), CHECK_AND_PRINT(IBSS), CHECK_AND_PRINT(ACTIVE), CHECK_AND_PRINT(RADAR), @@ -5333,7 +5032,7 @@ static void iwl3945_init_hw_rates(struct iwl3945_priv *priv, static int iwl3945_init_geos(struct iwl3945_priv *priv) { struct iwl3945_channel_info *ch; - struct ieee80211_supported_band *band; + struct ieee80211_supported_band *sband; struct ieee80211_channel *channels; struct ieee80211_channel *geo_ch; struct ieee80211_rate *rates; @@ -5351,7 +5050,7 @@ static int iwl3945_init_geos(struct iwl3945_priv *priv) if (!channels) return -ENOMEM; - rates = kzalloc((sizeof(struct ieee80211_rate) * (IWL_MAX_RATES + 1)), + rates = kzalloc((sizeof(struct ieee80211_rate) * (IWL_RATE_COUNT + 1)), GFP_KERNEL); if (!rates) { kfree(channels); @@ -5359,38 +5058,38 @@ static int iwl3945_init_geos(struct iwl3945_priv *priv) } /* 5.2GHz channels start after the 2.4GHz channels */ - band = &priv->bands[IEEE80211_BAND_5GHZ]; - band->channels = &channels[ARRAY_SIZE(iwl3945_eeprom_band_1)]; - band->bitrates = &rates[4]; - band->n_bitrates = 8; /* just OFDM */ - - band = &priv->bands[IEEE80211_BAND_2GHZ]; - band->channels = channels; - band->bitrates = rates; - band->n_bitrates = 12; /* OFDM & CCK */ + sband = &priv->bands[IEEE80211_BAND_5GHZ]; + sband->channels = &channels[ARRAY_SIZE(iwl3945_eeprom_band_1)]; + /* just OFDM */ + sband->bitrates = &rates[IWL_FIRST_OFDM_RATE]; + sband->n_bitrates = IWL_RATE_COUNT - IWL_FIRST_OFDM_RATE; + + sband = &priv->bands[IEEE80211_BAND_2GHZ]; + sband->channels = channels; + /* OFDM & CCK */ + sband->bitrates = rates; + sband->n_bitrates = IWL_RATE_COUNT; priv->ieee_channels = channels; priv->ieee_rates = rates; iwl3945_init_hw_rates(priv, rates); - for (i = 0, geo_ch = channels; i < priv->channel_count; i++) { + for (i = 0; i < priv->channel_count; i++) { ch = &priv->channel_info[i]; - if (!is_channel_valid(ch)) { - IWL_DEBUG_INFO("Channel %d [%sGHz] is restricted -- " - "skipping.\n", - ch->channel, is_channel_a_band(ch) ? - "5.2" : "2.4"); + /* FIXME: might be removed if scan is OK*/ + if (!is_channel_valid(ch)) continue; - } if (is_channel_a_band(ch)) - geo_ch = &priv->bands[IEEE80211_BAND_5GHZ].channels[priv->bands[IEEE80211_BAND_5GHZ].n_channels++]; + sband = &priv->bands[IEEE80211_BAND_5GHZ]; else - geo_ch = &priv->bands[IEEE80211_BAND_2GHZ].channels[priv->bands[IEEE80211_BAND_2GHZ].n_channels++]; + sband = &priv->bands[IEEE80211_BAND_2GHZ]; - geo_ch->center_freq = ieee80211chan2mhz(ch->channel); + geo_ch = &sband->channels[sband->n_channels++]; + + geo_ch->center_freq = ieee80211_channel_to_frequency(ch->channel); geo_ch->max_power = ch->max_power_avg; geo_ch->max_antenna_gain = 0xff; geo_ch->hw_value = ch->channel; @@ -5408,16 +5107,28 @@ static int iwl3945_init_geos(struct iwl3945_priv *priv) if (ch->max_power_avg > priv->max_channel_txpower_limit) priv->max_channel_txpower_limit = ch->max_power_avg; - } else + } else { geo_ch->flags |= IEEE80211_CHAN_DISABLED; + } + + /* Save flags for reg domain usage */ + geo_ch->orig_flags = geo_ch->flags; + + IWL_DEBUG_INFO("Channel %d Freq=%d[%sGHz] %s flag=0%X\n", + ch->channel, geo_ch->center_freq, + is_channel_a_band(ch) ? "5.2" : "2.4", + geo_ch->flags & IEEE80211_CHAN_DISABLED ? + "restricted" : "valid", + geo_ch->flags); } - if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) && priv->is_abg) { + if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) && + priv->cfg->sku & IWL_SKU_A) { printk(KERN_INFO DRV_NAME ": Incorrectly detected BG card as ABG. Please send " "your PCI ID 0x%04X:0x%04X to maintainer.\n", priv->pci_dev->device, priv->pci_dev->subsystem_device); - priv->is_abg = 0; + priv->cfg->sku &= ~IWL_SKU_A; } printk(KERN_INFO DRV_NAME @@ -5764,7 +5475,7 @@ static int iwl3945_read_ucode(struct iwl3945_priv *priv) int ret = 0; const struct firmware *ucode_raw; /* firmware file name contains uCode/driver compatibility version */ - const char *name = "iwlwifi-3945" IWL3945_UCODE_API ".ucode"; + const char *name = priv->cfg->fw_name; u8 *src; size_t len; u32 ver, inst_size, data_size, init_size, init_data_size, boot_size; @@ -7152,6 +6863,12 @@ static int iwl3945_mac_config_interface(struct ieee80211_hw *hw, if (conf == NULL) return -EIO; + if (priv->vif != vif) { + IWL_DEBUG_MAC80211("leave - priv->vif != vif\n"); + mutex_unlock(&priv->mutex); + return 0; + } + /* XXX: this MUST use conf->mac_addr */ if ((priv->iw_mode == IEEE80211_IF_TYPE_AP) && @@ -7176,17 +6893,6 @@ static int iwl3945_mac_config_interface(struct ieee80211_hw *hw, if (unlikely(test_bit(STATUS_SCANNING, &priv->status)) && !(priv->hw->flags & IEEE80211_HW_NO_PROBE_FILTERING)) { */ - if (unlikely(test_bit(STATUS_SCANNING, &priv->status))) { - IWL_DEBUG_MAC80211("leave - scanning\n"); - mutex_unlock(&priv->mutex); - return 0; - } - - if (priv->vif != vif) { - IWL_DEBUG_MAC80211("leave - priv->vif != vif\n"); - mutex_unlock(&priv->mutex); - return 0; - } if (priv->iw_mode == IEEE80211_IF_TYPE_AP) { if (!conf->bssid) { @@ -7884,31 +7590,6 @@ static DEVICE_ATTR(measurement, S_IRUSR | S_IWUSR, show_measurement, store_measurement); #endif /* CONFIG_IWL3945_SPECTRUM_MEASUREMENT */ -static ssize_t show_rate(struct device *d, - struct device_attribute *attr, char *buf) -{ - struct iwl3945_priv *priv = dev_get_drvdata(d); - unsigned long flags; - int i; - - spin_lock_irqsave(&priv->sta_lock, flags); - if (priv->iw_mode == IEEE80211_IF_TYPE_STA) - i = priv->stations[IWL_AP_ID].current_rate.s.rate; - else - i = priv->stations[IWL_STA_ID].current_rate.s.rate; - spin_unlock_irqrestore(&priv->sta_lock, flags); - - i = iwl3945_rate_index_from_plcp(i); - if (i == -1) - return sprintf(buf, "0\n"); - - return sprintf(buf, "%d%s\n", - (iwl3945_rates[i].ieee >> 1), - (iwl3945_rates[i].ieee & 0x1) ? ".5" : ""); -} - -static DEVICE_ATTR(rate, S_IRUSR, show_rate, NULL); - static ssize_t store_retry_rate(struct device *d, struct device_attribute *attr, const char *buf, size_t count) @@ -8199,7 +7880,6 @@ static struct attribute *iwl3945_sysfs_entries[] = { &dev_attr_measurement.attr, #endif &dev_attr_power_level.attr, - &dev_attr_rate.attr, &dev_attr_retry_rate.attr, &dev_attr_rf_kill.attr, &dev_attr_rs_window.attr, @@ -8238,9 +7918,9 @@ static struct ieee80211_ops iwl3945_hw_ops = { static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { int err = 0; - u32 pci_id; struct iwl3945_priv *priv; struct ieee80211_hw *hw; + struct iwl_3945_cfg *cfg = (struct iwl_3945_cfg *)(ent->driver_data); int i; DECLARE_MAC_BUF(mac); @@ -8276,6 +7956,7 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e priv->hw = hw; priv->pci_dev = pdev; + priv->cfg = cfg; /* Select antenna (may be helpful if only one antenna is connected) */ priv->antenna = (enum iwl3945_antenna)iwl3945_param_antenna; @@ -8365,32 +8046,8 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e priv->iw_mode = IEEE80211_IF_TYPE_STA; - pci_id = - (priv->pci_dev->device << 16) | priv->pci_dev->subsystem_device; - - switch (pci_id) { - case 0x42221005: /* 0x4222 0x8086 0x1005 is BG SKU */ - case 0x42221034: /* 0x4222 0x8086 0x1034 is BG SKU */ - case 0x42271014: /* 0x4227 0x8086 0x1014 is BG SKU */ - case 0x42221044: /* 0x4222 0x8086 0x1044 is BG SKU */ - priv->is_abg = 0; - break; - - /* - * Rest are assumed ABG SKU -- if this is not the - * case then the card will get the wrong 'Detected' - * line in the kernel log however the code that - * initializes the GEO table will detect no A-band - * channels and remove the is_abg mask. - */ - default: - priv->is_abg = 1; - break; - } - printk(KERN_INFO DRV_NAME - ": Detected Intel PRO/Wireless 3945%sBG Network Connection\n", - priv->is_abg ? "A" : ""); + ": Detected Intel Wireless WiFi Link %s\n", priv->cfg->name); /* Device-specific setup */ if (iwl3945_hw_set_hw_setting(priv)) { diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c index 20d012d4f37e..28c64c39ef02 100644 --- a/drivers/net/wireless/iwlwifi/iwl4965-base.c +++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c @@ -45,13 +45,10 @@ #include <asm/div64.h> +#include "iwl-core.h" #include "iwl-4965.h" #include "iwl-helpers.h" -#ifdef CONFIG_IWL4965_DEBUG -u32 iwl4965_debug_level; -#endif - static int iwl4965_tx_queue_update_write_ptr(struct iwl4965_priv *priv, struct iwl4965_tx_queue *txq); @@ -90,15 +87,8 @@ int iwl4965_param_amsdu_size_8K; /* def: enable 8K amsdu size */ #define VS #endif -#define IWLWIFI_VERSION "1.2.26k" VD VS -#define DRV_COPYRIGHT "Copyright(c) 2003-2007 Intel Corporation" -#define DRV_VERSION IWLWIFI_VERSION +#define DRV_VERSION IWLWIFI_VERSION VD VS -/* Change firmware file name, using "-" and incrementing number, - * *only* when uCode interface or architecture changes so that it - * is not compatible with earlier drivers. - * This number will also appear in << 8 position of 1st dword of uCode file */ -#define IWL4965_UCODE_API "-1" MODULE_DESCRIPTION(DRV_DESCRIPTION); MODULE_VERSION(DRV_VERSION); @@ -161,17 +151,6 @@ static const char *iwl4965_escape_essid(const char *essid, u8 essid_len) return escaped; } -static void iwl4965_print_hex_dump(int level, void *p, u32 len) -{ -#ifdef CONFIG_IWL4965_DEBUG - if (!(iwl4965_debug_level & level)) - return; - - print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1, - p, len, 1); -#endif -} - /*************** DMA-QUEUE-GENERAL-FUNCTIONS ***** * DMA services * @@ -215,25 +194,6 @@ int iwl4965_queue_space(const struct iwl4965_queue *q) return s; } -/** - * iwl4965_queue_inc_wrap - increment queue index, wrap back to beginning - * @index -- current index - * @n_bd -- total number of entries in queue (must be power of 2) - */ -static inline int iwl4965_queue_inc_wrap(int index, int n_bd) -{ - return ++index & (n_bd - 1); -} - -/** - * iwl4965_queue_dec_wrap - decrement queue index, wrap back to end - * @index -- current index - * @n_bd -- total number of entries in queue (must be power of 2) - */ -static inline int iwl4965_queue_dec_wrap(int index, int n_bd) -{ - return --index & (n_bd - 1); -} static inline int x2_queue_used(const struct iwl4965_queue *q, int i) { @@ -262,8 +222,8 @@ static int iwl4965_queue_init(struct iwl4965_priv *priv, struct iwl4965_queue *q q->n_window = slots_num; q->id = id; - /* count must be power-of-two size, otherwise iwl4965_queue_inc_wrap - * and iwl4965_queue_dec_wrap are broken. */ + /* count must be power-of-two size, otherwise iwl_queue_inc_wrap + * and iwl_queue_dec_wrap are broken. */ BUG_ON(!is_power_of_2(count)); /* slots_num must be power-of-two size, otherwise @@ -363,7 +323,7 @@ int iwl4965_tx_queue_init(struct iwl4965_priv *priv, txq->need_update = 0; /* TFD_QUEUE_SIZE_MAX must be power-of-two size, otherwise - * iwl4965_queue_inc_wrap and iwl4965_queue_dec_wrap are broken. */ + * iwl_queue_inc_wrap and iwl_queue_dec_wrap are broken. */ BUILD_BUG_ON(TFD_QUEUE_SIZE_MAX & (TFD_QUEUE_SIZE_MAX - 1)); /* Initialize queue's high/low-water marks, and head/tail indexes */ @@ -394,7 +354,7 @@ void iwl4965_tx_queue_free(struct iwl4965_priv *priv, struct iwl4965_tx_queue *t /* first, empty all BD's */ for (; q->write_ptr != q->read_ptr; - q->read_ptr = iwl4965_queue_inc_wrap(q->read_ptr, q->n_bd)) + q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) iwl4965_hw_txq_free_tfd(priv, txq); len = sizeof(struct iwl4965_cmd) * q->n_window; @@ -735,7 +695,7 @@ static int iwl4965_enqueue_hcmd(struct iwl4965_priv *priv, struct iwl4965_host_c ret = iwl4965_tx_queue_update_wr_ptr(priv, txq, 0); /* Increment and update queue's write index */ - q->write_ptr = iwl4965_queue_inc_wrap(q->write_ptr, q->n_bd); + q->write_ptr = iwl_queue_inc_wrap(q->write_ptr, q->n_bd); iwl4965_tx_queue_update_write_ptr(priv, txq); spin_unlock_irqrestore(&priv->hcmd_lock, flags); @@ -1551,34 +1511,6 @@ unsigned int iwl4965_fill_beacon_frame(struct iwl4965_priv *priv, return priv->ibss_beacon->len; } -int iwl4965_rate_index_from_plcp(int plcp) -{ - int i = 0; - - /* 4965 HT rate format */ - if (plcp & RATE_MCS_HT_MSK) { - i = (plcp & 0xff); - - if (i >= IWL_RATE_MIMO_6M_PLCP) - i = i - IWL_RATE_MIMO_6M_PLCP; - - i += IWL_FIRST_OFDM_RATE; - /* skip 9M not supported in ht*/ - if (i >= IWL_RATE_9M_INDEX) - i += 1; - if ((i >= IWL_FIRST_OFDM_RATE) && - (i <= IWL_LAST_OFDM_RATE)) - return i; - - /* 4965 legacy rate format, search for match in table */ - } else { - for (i = 0; i < ARRAY_SIZE(iwl4965_rates); i++) - if (iwl4965_rates[i].plcp == (plcp &0xFF)) - return i; - } - return -1; -} - static u8 iwl4965_rate_get_lowest_plcp(int rate_mask) { u8 i; @@ -1712,148 +1644,6 @@ done: * Misc. internal state and helper functions * ******************************************************************************/ -#ifdef CONFIG_IWL4965_DEBUG - -/** - * iwl4965_report_frame - dump frame to syslog during debug sessions - * - * You may hack this function to show different aspects of received frames, - * including selective frame dumps. - * group100 parameter selects whether to show 1 out of 100 good frames. - * - * TODO: This was originally written for 3945, need to audit for - * proper operation with 4965. - */ -void iwl4965_report_frame(struct iwl4965_priv *priv, - struct iwl4965_rx_packet *pkt, - struct ieee80211_hdr *header, int group100) -{ - u32 to_us; - u32 print_summary = 0; - u32 print_dump = 0; /* set to 1 to dump all frames' contents */ - u32 hundred = 0; - u32 dataframe = 0; - u16 fc; - u16 seq_ctl; - u16 channel; - u16 phy_flags; - int rate_sym; - u16 length; - u16 status; - u16 bcn_tmr; - u32 tsf_low; - u64 tsf; - u8 rssi; - u8 agc; - u16 sig_avg; - u16 noise_diff; - struct iwl4965_rx_frame_stats *rx_stats = IWL_RX_STATS(pkt); - struct iwl4965_rx_frame_hdr *rx_hdr = IWL_RX_HDR(pkt); - struct iwl4965_rx_frame_end *rx_end = IWL_RX_END(pkt); - u8 *data = IWL_RX_DATA(pkt); - - /* MAC header */ - fc = le16_to_cpu(header->frame_control); - seq_ctl = le16_to_cpu(header->seq_ctrl); - - /* metadata */ - channel = le16_to_cpu(rx_hdr->channel); - phy_flags = le16_to_cpu(rx_hdr->phy_flags); - rate_sym = rx_hdr->rate; - length = le16_to_cpu(rx_hdr->len); - - /* end-of-frame status and timestamp */ - status = le32_to_cpu(rx_end->status); - bcn_tmr = le32_to_cpu(rx_end->beacon_timestamp); - tsf_low = le64_to_cpu(rx_end->timestamp) & 0x0ffffffff; - tsf = le64_to_cpu(rx_end->timestamp); - - /* signal statistics */ - rssi = rx_stats->rssi; - agc = rx_stats->agc; - sig_avg = le16_to_cpu(rx_stats->sig_avg); - noise_diff = le16_to_cpu(rx_stats->noise_diff); - - to_us = !compare_ether_addr(header->addr1, priv->mac_addr); - - /* if data frame is to us and all is good, - * (optionally) print summary for only 1 out of every 100 */ - if (to_us && (fc & ~IEEE80211_FCTL_PROTECTED) == - (IEEE80211_FCTL_FROMDS | IEEE80211_FTYPE_DATA)) { - dataframe = 1; - if (!group100) - print_summary = 1; /* print each frame */ - else if (priv->framecnt_to_us < 100) { - priv->framecnt_to_us++; - print_summary = 0; - } else { - priv->framecnt_to_us = 0; - print_summary = 1; - hundred = 1; - } - } else { - /* print summary for all other frames */ - print_summary = 1; - } - - if (print_summary) { - char *title; - u32 rate; - - if (hundred) - title = "100Frames"; - else if (fc & IEEE80211_FCTL_RETRY) - title = "Retry"; - else if (ieee80211_is_assoc_response(fc)) - title = "AscRsp"; - else if (ieee80211_is_reassoc_response(fc)) - title = "RasRsp"; - else if (ieee80211_is_probe_response(fc)) { - title = "PrbRsp"; - print_dump = 1; /* dump frame contents */ - } else if (ieee80211_is_beacon(fc)) { - title = "Beacon"; - print_dump = 1; /* dump frame contents */ - } else if (ieee80211_is_atim(fc)) - title = "ATIM"; - else if (ieee80211_is_auth(fc)) - title = "Auth"; - else if (ieee80211_is_deauth(fc)) - title = "DeAuth"; - else if (ieee80211_is_disassoc(fc)) - title = "DisAssoc"; - else - title = "Frame"; - - rate = iwl4965_rate_index_from_plcp(rate_sym); - if (rate == -1) - rate = 0; - else - rate = iwl4965_rates[rate].ieee / 2; - - /* print frame summary. - * MAC addresses show just the last byte (for brevity), - * but you can hack it to show more, if you'd like to. */ - if (dataframe) - IWL_DEBUG_RX("%s: mhd=0x%04x, dst=0x%02x, " - "len=%u, rssi=%d, chnl=%d, rate=%u, \n", - title, fc, header->addr1[5], - length, rssi, channel, rate); - else { - /* src/dst addresses assume managed mode */ - IWL_DEBUG_RX("%s: 0x%04x, dst=0x%02x, " - "src=0x%02x, rssi=%u, tim=%lu usec, " - "phy=0x%02x, chnl=%d\n", - title, fc, header->addr1[5], - header->addr3[5], rssi, - tsf_low - priv->scan_start_tsf, - phy_flags, channel); - } - } - if (print_dump) - iwl4965_print_hex_dump(IWL_DL_RX, data, length); -} -#endif static void iwl4965_unset_hw_setting(struct iwl4965_priv *priv) { @@ -3088,7 +2878,7 @@ static int iwl4965_tx_skb(struct iwl4965_priv *priv, iwl4965_tx_queue_update_wr_ptr(priv, txq, len); /* Tell device the write index *just past* this latest filled TFD */ - q->write_ptr = iwl4965_queue_inc_wrap(q->write_ptr, q->n_bd); + q->write_ptr = iwl_queue_inc_wrap(q->write_ptr, q->n_bd); rc = iwl4965_tx_queue_update_write_ptr(priv, txq); spin_unlock_irqrestore(&priv->lock, flags); @@ -3482,9 +3272,9 @@ int iwl4965_tx_queue_reclaim(struct iwl4965_priv *priv, int txq_id, int index) return 0; } - for (index = iwl4965_queue_inc_wrap(index, q->n_bd); + for (index = iwl_queue_inc_wrap(index, q->n_bd); q->read_ptr != index; - q->read_ptr = iwl4965_queue_inc_wrap(q->read_ptr, q->n_bd)) { + q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) { if (txq_id != IWL_CMD_QUEUE_NUM) { iwl4965_txstatus_to_ieee(priv, &(txq->txb[txq->q.read_ptr])); @@ -3591,9 +3381,9 @@ static int iwl4965_tx_status_reply_tx(struct iwl4965_priv *priv, tx_status->control.flags &= ~IEEE80211_TXCTL_AMPDU; tx_status->flags = iwl4965_is_tx_success(status)? IEEE80211_TX_STATUS_ACK : 0; - /* FIXME Wrong Rate - tx_status->control.tx_rate = - iwl4965_hw_get_rate_n_flags(tx_resp->rate_n_flags); */ + iwl4965_hwrate_to_tx_control(priv, + le32_to_cpu(tx_resp->rate_n_flags), + &tx_status->control); /* FIXME: code repetition end */ IWL_DEBUG_TX_REPLY("1 Frame 0x%x failure :%d\n", @@ -3729,7 +3519,7 @@ static void iwl4965_rx_reply_tx(struct iwl4965_priv *priv, if (txq->q.read_ptr != (scd_ssn & 0xff)) { int freed; - index = iwl4965_queue_dec_wrap(scd_ssn & 0xff, txq->q.n_bd); + index = iwl_queue_dec_wrap(scd_ssn & 0xff, txq->q.n_bd); IWL_DEBUG_TX_REPLY("Retry scheduler reclaim scd_ssn " "%d index %d\n", scd_ssn , index); freed = iwl4965_tx_queue_reclaim(priv, txq_id, index); @@ -3750,9 +3540,10 @@ static void iwl4965_rx_reply_tx(struct iwl4965_priv *priv, tx_status->queue_number = status; tx_status->queue_length = tx_resp->bt_kill_count; tx_status->queue_length |= tx_resp->failure_rts; - tx_status->flags = iwl4965_is_tx_success(status) ? IEEE80211_TX_STATUS_ACK : 0; + iwl4965_hwrate_to_tx_control(priv, le32_to_cpu(tx_resp->rate_n_flags), + &tx_status->control); IWL_DEBUG_TX("Tx queue %d Status %s (0x%08x) rate_n_flags 0x%x " "retries %d\n", txq_id, iwl4965_get_tx_fail_reason(status), @@ -4886,8 +4677,7 @@ static void iwl4965_dump_nic_error_log(struct iwl4965_priv *priv) if (ERROR_START_OFFSET <= count * ERROR_ELEM_SIZE) { IWL_ERROR("Start IWL Error Log Dump:\n"); - IWL_ERROR("Status: 0x%08lX, Config: %08X count: %d\n", - priv->status, priv->config, count); + IWL_ERROR("Status: 0x%08lX, count: %d\n", priv->status, count); } desc = iwl4965_read_targ_mem(priv, base + 1 * sizeof(u32)); @@ -5099,9 +4889,9 @@ static void iwl4965_irq_tasklet(struct iwl4965_priv *priv) * atomic, make sure that inta covers all the interrupts that * we've discovered, even if FH interrupt came in just after * reading CSR_INT. */ - if (inta_fh & CSR_FH_INT_RX_MASK) + if (inta_fh & CSR49_FH_INT_RX_MASK) inta |= CSR_INT_BIT_FH_RX; - if (inta_fh & CSR_FH_INT_TX_MASK) + if (inta_fh & CSR49_FH_INT_TX_MASK) inta |= CSR_INT_BIT_FH_TX; /* Now service all interrupt bits discovered above. */ @@ -5502,11 +5292,12 @@ static int iwl4965_init_channel_map(struct iwl4965_priv *priv) ch_info->scan_power = eeprom_ch_info[ch].max_power_avg; ch_info->min_power = 0; - IWL_DEBUG_INFO("Ch. %d [%sGHz] %s%s%s%s%s%s(0x%02x" + IWL_DEBUG_INFO("Ch. %d [%sGHz] %s%s%s%s%s%s%s(0x%02x" " %ddBm): Ad-Hoc %ssupported\n", ch_info->channel, is_channel_a_band(ch_info) ? "5.2" : "2.4", + CHECK_AND_PRINT(VALID), CHECK_AND_PRINT(IBSS), CHECK_AND_PRINT(ACTIVE), CHECK_AND_PRINT(RADAR), @@ -5749,7 +5540,7 @@ static void iwl4965_init_hw_rates(struct iwl4965_priv *priv, static int iwl4965_init_geos(struct iwl4965_priv *priv) { struct iwl4965_channel_info *ch; - struct ieee80211_supported_band *band; + struct ieee80211_supported_band *sband; struct ieee80211_channel *channels; struct ieee80211_channel *geo_ch; struct ieee80211_rate *rates; @@ -5767,7 +5558,7 @@ static int iwl4965_init_geos(struct iwl4965_priv *priv) if (!channels) return -ENOMEM; - rates = kzalloc((sizeof(struct ieee80211_rate) * (IWL_MAX_RATES + 1)), + rates = kzalloc((sizeof(struct ieee80211_rate) * (IWL_RATE_COUNT + 1)), GFP_KERNEL); if (!rates) { kfree(channels); @@ -5775,42 +5566,42 @@ static int iwl4965_init_geos(struct iwl4965_priv *priv) } /* 5.2GHz channels start after the 2.4GHz channels */ - band = &priv->bands[IEEE80211_BAND_5GHZ]; - band->channels = &channels[ARRAY_SIZE(iwl4965_eeprom_band_1)]; - band->bitrates = &rates[4]; - band->n_bitrates = 8; /* just OFDM */ + sband = &priv->bands[IEEE80211_BAND_5GHZ]; + sband->channels = &channels[ARRAY_SIZE(iwl4965_eeprom_band_1)]; + /* just OFDM */ + sband->bitrates = &rates[IWL_FIRST_OFDM_RATE]; + sband->n_bitrates = IWL_RATE_COUNT - IWL_FIRST_OFDM_RATE; - iwl4965_init_ht_hw_capab(&band->ht_info, IEEE80211_BAND_5GHZ); + iwl4965_init_ht_hw_capab(&sband->ht_info, IEEE80211_BAND_5GHZ); - band = &priv->bands[IEEE80211_BAND_2GHZ]; - band->channels = channels; - band->bitrates = rates; - band->n_bitrates = 12; /* OFDM & CCK */ + sband = &priv->bands[IEEE80211_BAND_2GHZ]; + sband->channels = channels; + /* OFDM & CCK */ + sband->bitrates = rates; + sband->n_bitrates = IWL_RATE_COUNT; - iwl4965_init_ht_hw_capab(&band->ht_info, IEEE80211_BAND_2GHZ); + iwl4965_init_ht_hw_capab(&sband->ht_info, IEEE80211_BAND_2GHZ); priv->ieee_channels = channels; priv->ieee_rates = rates; iwl4965_init_hw_rates(priv, rates); - for (i = 0, geo_ch = channels; i < priv->channel_count; i++) { + for (i = 0; i < priv->channel_count; i++) { ch = &priv->channel_info[i]; - if (!is_channel_valid(ch)) { - IWL_DEBUG_INFO("Channel %d [%sGHz] is restricted -- " - "skipping.\n", - ch->channel, is_channel_a_band(ch) ? - "5.2" : "2.4"); + /* FIXME: might be removed if scan is OK */ + if (!is_channel_valid(ch)) continue; - } - if (is_channel_a_band(ch)) { - geo_ch = &priv->bands[IEEE80211_BAND_5GHZ].channels[priv->bands[IEEE80211_BAND_5GHZ].n_channels++]; - } else - geo_ch = &priv->bands[IEEE80211_BAND_2GHZ].channels[priv->bands[IEEE80211_BAND_2GHZ].n_channels++]; + if (is_channel_a_band(ch)) + sband = &priv->bands[IEEE80211_BAND_5GHZ]; + else + sband = &priv->bands[IEEE80211_BAND_2GHZ]; + + geo_ch = &sband->channels[sband->n_channels++]; - geo_ch->center_freq = ieee80211chan2mhz(ch->channel); + geo_ch->center_freq = ieee80211_channel_to_frequency(ch->channel); geo_ch->max_power = ch->max_power_avg; geo_ch->max_antenna_gain = 0xff; geo_ch->hw_value = ch->channel; @@ -5828,16 +5619,28 @@ static int iwl4965_init_geos(struct iwl4965_priv *priv) if (ch->max_power_avg > priv->max_channel_txpower_limit) priv->max_channel_txpower_limit = ch->max_power_avg; - } else + } else { geo_ch->flags |= IEEE80211_CHAN_DISABLED; + } + + /* Save flags for reg domain usage */ + geo_ch->orig_flags = geo_ch->flags; + + IWL_DEBUG_INFO("Channel %d Freq=%d[%sGHz] %s flag=0%X\n", + ch->channel, geo_ch->center_freq, + is_channel_a_band(ch) ? "5.2" : "2.4", + geo_ch->flags & IEEE80211_CHAN_DISABLED ? + "restricted" : "valid", + geo_ch->flags); } - if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) && priv->is_abg) { + if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) && + priv->cfg->sku & IWL_SKU_A) { printk(KERN_INFO DRV_NAME ": Incorrectly detected BG card as ABG. Please send " "your PCI ID 0x%04X:0x%04X to maintainer.\n", priv->pci_dev->device, priv->pci_dev->subsystem_device); - priv->is_abg = 0; + priv->cfg->sku &= ~IWL_SKU_A; } printk(KERN_INFO DRV_NAME @@ -6186,7 +5989,7 @@ static int iwl4965_read_ucode(struct iwl4965_priv *priv) struct iwl4965_ucode *ucode; int ret; const struct firmware *ucode_raw; - const char *name = "iwlwifi-4965" IWL4965_UCODE_API ".ucode"; + const char *name = priv->cfg->fw_name; u8 *src; size_t len; u32 ver, inst_size, data_size, init_size, init_data_size, boot_size; @@ -7596,6 +7399,12 @@ static int iwl4965_mac_config_interface(struct ieee80211_hw *hw, if (conf == NULL) return -EIO; + if (priv->vif != vif) { + IWL_DEBUG_MAC80211("leave - priv->vif != vif\n"); + mutex_unlock(&priv->mutex); + return 0; + } + if ((priv->iw_mode == IEEE80211_IF_TYPE_AP) && (!conf->beacon || !conf->ssid_len)) { IWL_DEBUG_MAC80211 @@ -7618,17 +7427,6 @@ static int iwl4965_mac_config_interface(struct ieee80211_hw *hw, if (unlikely(test_bit(STATUS_SCANNING, &priv->status)) && !(priv->hw->flags & IEEE80211_HW_NO_PROBE_FILTERING)) { */ - if (unlikely(test_bit(STATUS_SCANNING, &priv->status))) { - IWL_DEBUG_MAC80211("leave - scanning\n"); - mutex_unlock(&priv->mutex); - return 0; - } - - if (priv->vif != vif) { - IWL_DEBUG_MAC80211("leave - priv->vif != vif\n"); - mutex_unlock(&priv->mutex); - return 0; - } if (priv->iw_mode == IEEE80211_IF_TYPE_AP) { if (!conf->bssid) { @@ -8127,15 +7925,21 @@ static void iwl4965_ht_info_fill(struct ieee80211_conf *conf, iwl_conf->is_green_field = !!(ht_conf->cap & IEEE80211_HT_CAP_GRN_FLD); iwl_conf->max_amsdu_size = !!(ht_conf->cap & IEEE80211_HT_CAP_MAX_AMSDU); + iwl_conf->supported_chan_width = !!(ht_conf->cap & IEEE80211_HT_CAP_SUP_WIDTH); + iwl_conf->extension_chan_offset = + ht_bss_conf->bss_cap & IEEE80211_HT_IE_CHA_SEC_OFFSET; + /* If no above or below channel supplied disable FAT channel */ + if (iwl_conf->extension_chan_offset != IWL_EXT_CHANNEL_OFFSET_ABOVE && + iwl_conf->extension_chan_offset != IWL_EXT_CHANNEL_OFFSET_BELOW) + iwl_conf->supported_chan_width = 0; + iwl_conf->tx_mimo_ps_mode = (u8)((ht_conf->cap & IEEE80211_HT_CAP_MIMO_PS) >> 2); memcpy(iwl_conf->supp_mcs_set, ht_conf->supp_mcs_set, 16); iwl_conf->control_channel = ht_bss_conf->primary_channel; - iwl_conf->extension_chan_offset = - ht_bss_conf->bss_cap & IEEE80211_HT_IE_CHA_SEC_OFFSET; iwl_conf->tx_chan_width = !!(ht_bss_conf->bss_cap & IEEE80211_HT_IE_CHA_WIDTH); iwl_conf->ht_protection = @@ -8776,6 +8580,7 @@ static int iwl4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e int err = 0; struct iwl4965_priv *priv; struct ieee80211_hw *hw; + struct iwl_cfg *cfg = (struct iwl_cfg *)(ent->driver_data); int i; DECLARE_MAC_BUF(mac); @@ -8809,6 +8614,7 @@ static int iwl4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e IWL_DEBUG_INFO("*** LOAD DRIVER ***\n"); priv = hw->priv; priv->hw = hw; + priv->cfg = cfg; priv->pci_dev = pdev; priv->antenna = (enum iwl4965_antenna)iwl4965_param_antenna; @@ -8911,8 +8717,9 @@ static int iwl4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e /* Choose which receivers/antennas to use */ iwl4965_set_rxon_chain(priv); + printk(KERN_INFO DRV_NAME - ": Detected Intel Wireless WiFi Link 4965AGN\n"); + ": Detected Intel Wireless WiFi Link %s\n", priv->cfg->name); /* Device-specific setup */ if (iwl4965_hw_set_hw_setting(priv)) { diff --git a/drivers/net/wireless/libertas/assoc.c b/drivers/net/wireless/libertas/assoc.c index 75f6191e718d..7fe37bedf313 100644 --- a/drivers/net/wireless/libertas/assoc.c +++ b/drivers/net/wireless/libertas/assoc.c @@ -349,11 +349,7 @@ static int assoc_helper_wpa_keys(struct lbs_private *priv, if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) { clear_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags); - ret = lbs_prepare_and_send_command(priv, - CMD_802_11_KEY_MATERIAL, - CMD_ACT_SET, - CMD_OPTION_WAITFORRSP, - 0, assoc_req); + ret = lbs_cmd_802_11_key_material(priv, CMD_ACT_SET, assoc_req); assoc_req->flags = flags; } @@ -363,11 +359,7 @@ static int assoc_helper_wpa_keys(struct lbs_private *priv, if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) { clear_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags); - ret = lbs_prepare_and_send_command(priv, - CMD_802_11_KEY_MATERIAL, - CMD_ACT_SET, - CMD_OPTION_WAITFORRSP, - 0, assoc_req); + ret = lbs_cmd_802_11_key_material(priv, CMD_ACT_SET, assoc_req); assoc_req->flags = flags; } diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c index 3f9074df91e4..445c6dc09786 100644 --- a/drivers/net/wireless/libertas/cmd.c +++ b/drivers/net/wireless/libertas/cmd.c @@ -338,75 +338,103 @@ int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, uint16_t cmd_action, return ret; } -static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset, - struct enc_key * pkey) +static void set_one_wpa_key(struct MrvlIEtype_keyParamSet *keyparam, + struct enc_key *key) { lbs_deb_enter(LBS_DEB_CMD); - if (pkey->flags & KEY_INFO_WPA_ENABLED) { - pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED); - } - if (pkey->flags & KEY_INFO_WPA_UNICAST) { - pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST); - } - if (pkey->flags & KEY_INFO_WPA_MCAST) { - pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST); - } + if (key->flags & KEY_INFO_WPA_ENABLED) + keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED); + if (key->flags & KEY_INFO_WPA_UNICAST) + keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST); + if (key->flags & KEY_INFO_WPA_MCAST) + keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST); + + keyparam->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL); + keyparam->keytypeid = cpu_to_le16(key->type); + keyparam->keylen = cpu_to_le16(key->len); + memcpy(keyparam->key, key->key, key->len); - pkeyparamset->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL); - pkeyparamset->keytypeid = cpu_to_le16(pkey->type); - pkeyparamset->keylen = cpu_to_le16(pkey->len); - memcpy(pkeyparamset->key, pkey->key, pkey->len); - pkeyparamset->length = cpu_to_le16( sizeof(pkeyparamset->keytypeid) - + sizeof(pkeyparamset->keyinfo) - + sizeof(pkeyparamset->keylen) - + sizeof(pkeyparamset->key)); + /* Length field doesn't include the {type,length} header */ + keyparam->length = cpu_to_le16(sizeof(*keyparam) - 4); lbs_deb_leave(LBS_DEB_CMD); } -static int lbs_cmd_802_11_key_material(struct lbs_private *priv, - struct cmd_ds_command *cmd, - u16 cmd_action, - u32 cmd_oid, void *pdata_buf) +int lbs_cmd_802_11_key_material(struct lbs_private *priv, uint16_t cmd_action, + struct assoc_request *assoc) { - struct cmd_ds_802_11_key_material *pkeymaterial = - &cmd->params.keymaterial; - struct assoc_request * assoc_req = pdata_buf; + struct cmd_ds_802_11_key_material cmd; int ret = 0; int index = 0; lbs_deb_enter(LBS_DEB_CMD); - cmd->command = cpu_to_le16(CMD_802_11_KEY_MATERIAL); - pkeymaterial->action = cpu_to_le16(cmd_action); + cmd.action = cpu_to_le16(cmd_action); + cmd.hdr.size = cpu_to_le16(sizeof(cmd)); if (cmd_action == CMD_ACT_GET) { - cmd->size = cpu_to_le16(S_DS_GEN + sizeof (pkeymaterial->action)); - ret = 0; - goto done; - } + cmd.hdr.size = cpu_to_le16(S_DS_GEN + 2); + } else { + memset(cmd.keyParamSet, 0, sizeof(cmd.keyParamSet)); - memset(&pkeymaterial->keyParamSet, 0, sizeof(pkeymaterial->keyParamSet)); + if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc->flags)) { + set_one_wpa_key(&cmd.keyParamSet[index], + &assoc->wpa_unicast_key); + index++; + } - if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) { - set_one_wpa_key(&pkeymaterial->keyParamSet[index], - &assoc_req->wpa_unicast_key); - index++; - } + if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc->flags)) { + set_one_wpa_key(&cmd.keyParamSet[index], + &assoc->wpa_mcast_key); + index++; + } - if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) { - set_one_wpa_key(&pkeymaterial->keyParamSet[index], - &assoc_req->wpa_mcast_key); - index++; + /* The common header and as many keys as we included */ + cmd.hdr.size = cpu_to_le16(offsetof(typeof(cmd), + keyParamSet[index])); } + ret = lbs_cmd_with_response(priv, CMD_802_11_KEY_MATERIAL, &cmd); + /* Copy the returned key to driver private data */ + if (!ret && cmd_action == CMD_ACT_GET) { + void *buf_ptr = cmd.keyParamSet; + void *resp_end = &(&cmd)[1]; + + while (buf_ptr < resp_end) { + struct MrvlIEtype_keyParamSet *keyparam = buf_ptr; + struct enc_key *key; + uint16_t param_set_len = le16_to_cpu(keyparam->length); + uint16_t key_len = le16_to_cpu(keyparam->keylen); + uint16_t key_flags = le16_to_cpu(keyparam->keyinfo); + uint16_t key_type = le16_to_cpu(keyparam->keytypeid); + void *end; + + end = (void *)keyparam + sizeof(keyparam->type) + + sizeof(keyparam->length) + param_set_len; + + /* Make sure we don't access past the end of the IEs */ + if (end > resp_end) + break; - cmd->size = cpu_to_le16( S_DS_GEN - + sizeof (pkeymaterial->action) - + (index * sizeof(struct MrvlIEtype_keyParamSet))); + if (key_flags & KEY_INFO_WPA_UNICAST) + key = &priv->wpa_unicast_key; + else if (key_flags & KEY_INFO_WPA_MCAST) + key = &priv->wpa_mcast_key; + else + break; - ret = 0; + /* Copy returned key into driver */ + memset(key, 0, sizeof(struct enc_key)); + if (key_len > sizeof(key->key)) + break; + key->type = key_type; + key->flags = key_flags; + key->len = key_len; + memcpy(key->key, keyparam->key, key->len); + + buf_ptr = end + 1; + } + } -done: lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); return ret; } @@ -1354,10 +1382,6 @@ int lbs_prepare_and_send_command(struct lbs_private *priv, ret = lbs_cmd_802_11_ps_mode(priv, cmdptr, cmd_action); break; - case CMD_802_11_SCAN: - ret = lbs_cmd_80211_scan(priv, cmdptr, pdata_buf); - break; - case CMD_MAC_CONTROL: ret = lbs_cmd_mac_control(priv, cmdptr); break; @@ -1435,11 +1459,6 @@ int lbs_prepare_and_send_command(struct lbs_private *priv, ret = lbs_cmd_80211_ad_hoc_stop(priv, cmdptr); break; - case CMD_802_11_KEY_MATERIAL: - ret = lbs_cmd_802_11_key_material(priv, cmdptr, cmd_action, - cmd_oid, pdata_buf); - break; - case CMD_802_11_PAIRWISE_TSC: break; case CMD_802_11_GROUP_TSC: diff --git a/drivers/net/wireless/libertas/cmd.h b/drivers/net/wireless/libertas/cmd.h index b9ab85cc7913..d250e6bc0609 100644 --- a/drivers/net/wireless/libertas/cmd.h +++ b/drivers/net/wireless/libertas/cmd.h @@ -57,5 +57,7 @@ int lbs_cmd_802_11_set_wep(struct lbs_private *priv, uint16_t cmd_action, struct assoc_request *assoc); int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, uint16_t cmd_action, uint16_t *enable); +int lbs_cmd_802_11_key_material(struct lbs_private *priv, uint16_t cmd_action, + struct assoc_request *assoc); #endif /* _LBS_CMD_H */ diff --git a/drivers/net/wireless/libertas/cmdresp.c b/drivers/net/wireless/libertas/cmdresp.c index 5d90b83f28eb..15e4ebdcd477 100644 --- a/drivers/net/wireless/libertas/cmdresp.c +++ b/drivers/net/wireless/libertas/cmdresp.c @@ -204,61 +204,6 @@ static int lbs_ret_802_11_snmp_mib(struct lbs_private *priv, return 0; } -static int lbs_ret_802_11_key_material(struct lbs_private *priv, - struct cmd_ds_command *resp) -{ - struct cmd_ds_802_11_key_material *pkeymaterial = - &resp->params.keymaterial; - u16 action = le16_to_cpu(pkeymaterial->action); - - lbs_deb_enter(LBS_DEB_CMD); - - /* Copy the returned key to driver private data */ - if (action == CMD_ACT_GET) { - u8 * buf_ptr = (u8 *) &pkeymaterial->keyParamSet; - u8 * resp_end = (u8 *) (resp + le16_to_cpu(resp->size)); - - while (buf_ptr < resp_end) { - struct MrvlIEtype_keyParamSet * pkeyparamset = - (struct MrvlIEtype_keyParamSet *) buf_ptr; - struct enc_key * pkey; - u16 param_set_len = le16_to_cpu(pkeyparamset->length); - u16 key_len = le16_to_cpu(pkeyparamset->keylen); - u16 key_flags = le16_to_cpu(pkeyparamset->keyinfo); - u16 key_type = le16_to_cpu(pkeyparamset->keytypeid); - u8 * end; - - end = (u8 *) pkeyparamset + sizeof (pkeyparamset->type) - + sizeof (pkeyparamset->length) - + param_set_len; - /* Make sure we don't access past the end of the IEs */ - if (end > resp_end) - break; - - if (key_flags & KEY_INFO_WPA_UNICAST) - pkey = &priv->wpa_unicast_key; - else if (key_flags & KEY_INFO_WPA_MCAST) - pkey = &priv->wpa_mcast_key; - else - break; - - /* Copy returned key into driver */ - memset(pkey, 0, sizeof(struct enc_key)); - if (key_len > sizeof(pkey->key)) - break; - pkey->type = key_type; - pkey->flags = key_flags; - pkey->len = key_len; - memcpy(pkey->key, pkeyparamset->key, pkey->len); - - buf_ptr = end + 1; - } - } - - lbs_deb_enter(LBS_DEB_CMD); - return 0; -} - static int lbs_ret_802_11_mac_address(struct lbs_private *priv, struct cmd_ds_command *resp) { @@ -407,10 +352,6 @@ static inline int handle_cmd_response(struct lbs_private *priv, ret = lbs_ret_reg_access(priv, respcmd, resp); break; - case CMD_RET(CMD_802_11_SCAN): - ret = lbs_ret_80211_scan(priv, resp); - break; - case CMD_RET(CMD_802_11_GET_LOG): ret = lbs_ret_get_log(priv, resp); break; @@ -475,10 +416,6 @@ static inline int handle_cmd_response(struct lbs_private *priv, ret = lbs_ret_80211_ad_hoc_stop(priv, resp); break; - case CMD_RET(CMD_802_11_KEY_MATERIAL): - ret = lbs_ret_802_11_key_material(priv, resp); - break; - case CMD_RET(CMD_802_11_EEPROM_ACCESS): ret = lbs_ret_802_11_eeprom_access(priv, resp); break; diff --git a/drivers/net/wireless/libertas/hostcmd.h b/drivers/net/wireless/libertas/hostcmd.h index d35b015b6657..56bc1aa2bb00 100644 --- a/drivers/net/wireless/libertas/hostcmd.h +++ b/drivers/net/wireless/libertas/hostcmd.h @@ -174,9 +174,11 @@ struct cmd_ds_802_11_subscribe_event { * Define data structure for CMD_802_11_SCAN */ struct cmd_ds_802_11_scan { - u8 bsstype; - u8 bssid[ETH_ALEN]; - u8 tlvbuffer[1]; + struct cmd_header hdr; + + uint8_t bsstype; + uint8_t bssid[ETH_ALEN]; + uint8_t tlvbuffer[0]; #if 0 mrvlietypes_ssidparamset_t ssidParamSet; mrvlietypes_chanlistparamset_t ChanListParamSet; @@ -185,9 +187,11 @@ struct cmd_ds_802_11_scan { }; struct cmd_ds_802_11_scan_rsp { + struct cmd_header hdr; + __le16 bssdescriptsize; - u8 nr_sets; - u8 bssdesc_and_tlvbuffer[1]; + uint8_t nr_sets; + uint8_t bssdesc_and_tlvbuffer[0]; }; struct cmd_ds_802_11_get_log { @@ -572,6 +576,8 @@ struct cmd_ds_host_sleep { } __attribute__ ((packed)); struct cmd_ds_802_11_key_material { + struct cmd_header hdr; + __le16 action; struct MrvlIEtype_keyParamSet keyParamSet[2]; } __attribute__ ((packed)); @@ -689,8 +695,6 @@ struct cmd_ds_command { /* command Body */ union { struct cmd_ds_802_11_ps_mode psmode; - struct cmd_ds_802_11_scan scan; - struct cmd_ds_802_11_scan_rsp scanresp; struct cmd_ds_mac_control macctrl; struct cmd_ds_802_11_associate associate; struct cmd_ds_802_11_deauthenticate deauth; @@ -712,7 +716,6 @@ struct cmd_ds_command { struct cmd_ds_802_11_rssi_rsp rssirsp; struct cmd_ds_802_11_disassociate dassociate; struct cmd_ds_802_11_mac_address macadd; - struct cmd_ds_802_11_key_material keymaterial; struct cmd_ds_mac_reg_access macreg; struct cmd_ds_bbp_reg_access bbpreg; struct cmd_ds_rf_reg_access rfreg; diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c index 7d4f3afa8cc5..99f11a56d84e 100644 --- a/drivers/net/wireless/libertas/scan.c +++ b/drivers/net/wireless/libertas/scan.c @@ -20,6 +20,7 @@ #include "dev.h" #include "scan.h" #include "join.h" +#include "cmd.h" //! Approximate amount of data needed to pass a scan result back to iwlist #define MAX_SCAN_CELL_SIZE (IW_EV_ADDR_LEN \ @@ -39,10 +40,9 @@ //! Memory needed to store a max number/size SSID TLV for a firmware scan #define SSID_TLV_MAX_SIZE (1 * sizeof(struct mrvlietypes_ssidparamset)) -//! Maximum memory needed for a lbs_scan_cmd_config with all TLVs at max -#define MAX_SCAN_CFG_ALLOC (sizeof(struct lbs_scan_cmd_config) \ - + CHAN_TLV_MAX_SIZE \ - + SSID_TLV_MAX_SIZE) +//! Maximum memory needed for a cmd_ds_802_11_scan with all TLVs at max +#define MAX_SCAN_CFG_ALLOC (sizeof(struct cmd_ds_802_11_scan) \ + + CHAN_TLV_MAX_SIZE + SSID_TLV_MAX_SIZE) //! The maximum number of channels the firmware can scan per command #define MRVDRV_MAX_CHANNELS_PER_SCAN 14 @@ -61,11 +61,8 @@ //! Scan time specified in the channel TLV for each channel for active scans #define MRVDRV_ACTIVE_SCAN_CHAN_TIME 100 -static const u8 zeromac[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; -static const u8 bcastmac[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; - - - +static int lbs_ret_80211_scan(struct lbs_private *priv, unsigned long dummy, + struct cmd_header *resp); /*********************************************************************/ /* */ @@ -90,7 +87,7 @@ static void lbs_unset_basic_rate_flags(u8 *rates, size_t len) } -static inline void clear_bss_descriptor (struct bss_descriptor * bss) +static inline void clear_bss_descriptor(struct bss_descriptor *bss) { /* Don't blow away ->list, just BSS data */ memset(bss, 0, offsetof(struct bss_descriptor, list)); @@ -104,7 +101,8 @@ static inline void clear_bss_descriptor (struct bss_descriptor * bss) * * @return 0: ssid is same, otherwise is different */ -int lbs_ssid_cmp(u8 *ssid1, u8 ssid1_len, u8 *ssid2, u8 ssid2_len) +int lbs_ssid_cmp(uint8_t *ssid1, uint8_t ssid1_len, uint8_t *ssid2, + uint8_t ssid2_len) { if (ssid1_len != ssid2_len) return -1; @@ -113,73 +111,66 @@ int lbs_ssid_cmp(u8 *ssid1, u8 ssid1_len, u8 *ssid2, u8 ssid2_len) } static inline int match_bss_no_security(struct lbs_802_11_security *secinfo, - struct bss_descriptor * match_bss) + struct bss_descriptor *match_bss) { - if ( !secinfo->wep_enabled - && !secinfo->WPAenabled + if (!secinfo->wep_enabled && !secinfo->WPAenabled && !secinfo->WPA2enabled && match_bss->wpa_ie[0] != MFIE_TYPE_GENERIC && match_bss->rsn_ie[0] != MFIE_TYPE_RSN - && !(match_bss->capability & WLAN_CAPABILITY_PRIVACY)) { + && !(match_bss->capability & WLAN_CAPABILITY_PRIVACY)) return 1; - } - return 0; + else + return 0; } static inline int match_bss_static_wep(struct lbs_802_11_security *secinfo, - struct bss_descriptor * match_bss) + struct bss_descriptor *match_bss) { - if ( secinfo->wep_enabled - && !secinfo->WPAenabled - && !secinfo->WPA2enabled - && (match_bss->capability & WLAN_CAPABILITY_PRIVACY)) { + if (secinfo->wep_enabled && !secinfo->WPAenabled + && !secinfo->WPA2enabled + && (match_bss->capability & WLAN_CAPABILITY_PRIVACY)) return 1; - } - return 0; + else + return 0; } static inline int match_bss_wpa(struct lbs_802_11_security *secinfo, - struct bss_descriptor * match_bss) + struct bss_descriptor *match_bss) { - if ( !secinfo->wep_enabled - && secinfo->WPAenabled - && (match_bss->wpa_ie[0] == MFIE_TYPE_GENERIC) - /* privacy bit may NOT be set in some APs like LinkSys WRT54G - && (match_bss->capability & WLAN_CAPABILITY_PRIVACY)) { - */ - ) { + if (!secinfo->wep_enabled && secinfo->WPAenabled + && (match_bss->wpa_ie[0] == MFIE_TYPE_GENERIC) + /* privacy bit may NOT be set in some APs like LinkSys WRT54G + && (match_bss->capability & WLAN_CAPABILITY_PRIVACY) */ + ) return 1; - } - return 0; + else + return 0; } static inline int match_bss_wpa2(struct lbs_802_11_security *secinfo, - struct bss_descriptor * match_bss) + struct bss_descriptor *match_bss) { - if ( !secinfo->wep_enabled - && secinfo->WPA2enabled - && (match_bss->rsn_ie[0] == MFIE_TYPE_RSN) - /* privacy bit may NOT be set in some APs like LinkSys WRT54G - && (match_bss->capability & WLAN_CAPABILITY_PRIVACY)) { - */ - ) { + if (!secinfo->wep_enabled && secinfo->WPA2enabled + && (match_bss->rsn_ie[0] == MFIE_TYPE_RSN) + /* privacy bit may NOT be set in some APs like LinkSys WRT54G + && (match_bss->capability & WLAN_CAPABILITY_PRIVACY) */ + ) return 1; - } - return 0; + else + return 0; } static inline int match_bss_dynamic_wep(struct lbs_802_11_security *secinfo, - struct bss_descriptor * match_bss) + struct bss_descriptor *match_bss) { - if ( !secinfo->wep_enabled - && !secinfo->WPAenabled - && !secinfo->WPA2enabled - && (match_bss->wpa_ie[0] != MFIE_TYPE_GENERIC) - && (match_bss->rsn_ie[0] != MFIE_TYPE_RSN) - && (match_bss->capability & WLAN_CAPABILITY_PRIVACY)) { + if (!secinfo->wep_enabled && !secinfo->WPAenabled + && !secinfo->WPA2enabled + && (match_bss->wpa_ie[0] != MFIE_TYPE_GENERIC) + && (match_bss->rsn_ie[0] != MFIE_TYPE_RSN) + && (match_bss->capability & WLAN_CAPABILITY_PRIVACY)) return 1; - } - return 0; + else + return 0; } static inline int is_same_network(struct bss_descriptor *src, @@ -214,7 +205,7 @@ static inline int is_same_network(struct bss_descriptor *src, * @return Index in scantable, or error code if negative */ static int is_network_compatible(struct lbs_private *priv, - struct bss_descriptor * bss, u8 mode) + struct bss_descriptor *bss, uint8_t mode) { int matched = 0; @@ -228,43 +219,39 @@ static int is_network_compatible(struct lbs_private *priv, } else if ((matched = match_bss_static_wep(&priv->secinfo, bss))) { goto done; } else if ((matched = match_bss_wpa(&priv->secinfo, bss))) { - lbs_deb_scan( - "is_network_compatible() WPA: wpa_ie 0x%x " - "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s " - "privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0], - priv->secinfo.wep_enabled ? "e" : "d", - priv->secinfo.WPAenabled ? "e" : "d", - priv->secinfo.WPA2enabled ? "e" : "d", - (bss->capability & WLAN_CAPABILITY_PRIVACY)); + lbs_deb_scan("is_network_compatible() WPA: wpa_ie 0x%x " + "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s " + "privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0], + priv->secinfo.wep_enabled ? "e" : "d", + priv->secinfo.WPAenabled ? "e" : "d", + priv->secinfo.WPA2enabled ? "e" : "d", + (bss->capability & WLAN_CAPABILITY_PRIVACY)); goto done; } else if ((matched = match_bss_wpa2(&priv->secinfo, bss))) { - lbs_deb_scan( - "is_network_compatible() WPA2: wpa_ie 0x%x " - "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s " - "privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0], - priv->secinfo.wep_enabled ? "e" : "d", - priv->secinfo.WPAenabled ? "e" : "d", - priv->secinfo.WPA2enabled ? "e" : "d", - (bss->capability & WLAN_CAPABILITY_PRIVACY)); + lbs_deb_scan("is_network_compatible() WPA2: wpa_ie 0x%x " + "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s " + "privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0], + priv->secinfo.wep_enabled ? "e" : "d", + priv->secinfo.WPAenabled ? "e" : "d", + priv->secinfo.WPA2enabled ? "e" : "d", + (bss->capability & WLAN_CAPABILITY_PRIVACY)); goto done; } else if ((matched = match_bss_dynamic_wep(&priv->secinfo, bss))) { - lbs_deb_scan( - "is_network_compatible() dynamic WEP: " - "wpa_ie 0x%x wpa2_ie 0x%x privacy 0x%x\n", - bss->wpa_ie[0], bss->rsn_ie[0], - (bss->capability & WLAN_CAPABILITY_PRIVACY)); + lbs_deb_scan("is_network_compatible() dynamic WEP: " + "wpa_ie 0x%x wpa2_ie 0x%x privacy 0x%x\n", + bss->wpa_ie[0], bss->rsn_ie[0], + (bss->capability & WLAN_CAPABILITY_PRIVACY)); goto done; } /* bss security settings don't match those configured on card */ - lbs_deb_scan( - "is_network_compatible() FAILED: wpa_ie 0x%x " - "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s privacy 0x%x\n", - bss->wpa_ie[0], bss->rsn_ie[0], - priv->secinfo.wep_enabled ? "e" : "d", - priv->secinfo.WPAenabled ? "e" : "d", - priv->secinfo.WPA2enabled ? "e" : "d", - (bss->capability & WLAN_CAPABILITY_PRIVACY)); + lbs_deb_scan("is_network_compatible() FAILED: wpa_ie 0x%x " + "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s privacy 0x%x\n", + bss->wpa_ie[0], bss->rsn_ie[0], + priv->secinfo.wep_enabled ? "e" : "d", + priv->secinfo.WPAenabled ? "e" : "d", + priv->secinfo.WPA2enabled ? "e" : "d", + (bss->capability & WLAN_CAPABILITY_PRIVACY)); done: lbs_deb_leave_args(LBS_DEB_SCAN, "matched: %d", matched); @@ -311,16 +298,15 @@ void lbs_scan_worker(struct work_struct *work) * @return void */ static int lbs_scan_create_channel_list(struct lbs_private *priv, - struct chanscanparamset * scanchanlist, - u8 filteredscan) + struct chanscanparamset *scanchanlist, + uint8_t filteredscan) { - struct region_channel *scanregion; struct chan_freq_power *cfp; int rgnidx; int chanidx; int nextchan; - u8 scantype; + uint8_t scantype; chanidx = 0; @@ -331,9 +317,8 @@ static int lbs_scan_create_channel_list(struct lbs_private *priv, scantype = CMD_SCAN_TYPE_ACTIVE; for (rgnidx = 0; rgnidx < ARRAY_SIZE(priv->region_channel); rgnidx++) { - if (priv->enable11d && - (priv->connect_status != LBS_CONNECTED) && - (priv->mesh_connect_status != LBS_CONNECTED)) { + if (priv->enable11d && (priv->connect_status != LBS_CONNECTED) + && (priv->mesh_connect_status != LBS_CONNECTED)) { /* Scan all the supported chan for the first scan */ if (!priv->universal_channel[rgnidx].valid) continue; @@ -348,45 +333,30 @@ static int lbs_scan_create_channel_list(struct lbs_private *priv, scanregion = &priv->region_channel[rgnidx]; } - for (nextchan = 0; - nextchan < scanregion->nrcfp; nextchan++, chanidx++) { + for (nextchan = 0; nextchan < scanregion->nrcfp; nextchan++, chanidx++) { + struct chanscanparamset *chan = &scanchanlist[chanidx]; cfp = scanregion->CFP + nextchan; - if (priv->enable11d) { - scantype = - lbs_get_scan_type_11d(cfp->channel, - &priv-> - parsed_region_chan); - } + if (priv->enable11d) + scantype = lbs_get_scan_type_11d(cfp->channel, + &priv->parsed_region_chan); - switch (scanregion->band) { - case BAND_B: - case BAND_G: - default: - scanchanlist[chanidx].radiotype = - CMD_SCAN_RADIO_TYPE_BG; - break; - } + if (scanregion->band == BAND_B || scanregion->band == BAND_G) + chan->radiotype = CMD_SCAN_RADIO_TYPE_BG; if (scantype == CMD_SCAN_TYPE_PASSIVE) { - scanchanlist[chanidx].maxscantime = - cpu_to_le16(MRVDRV_PASSIVE_SCAN_CHAN_TIME); - scanchanlist[chanidx].chanscanmode.passivescan = - 1; + chan->maxscantime = cpu_to_le16(MRVDRV_PASSIVE_SCAN_CHAN_TIME); + chan->chanscanmode.passivescan = 1; } else { - scanchanlist[chanidx].maxscantime = - cpu_to_le16(MRVDRV_ACTIVE_SCAN_CHAN_TIME); - scanchanlist[chanidx].chanscanmode.passivescan = - 0; + chan->maxscantime = cpu_to_le16(MRVDRV_ACTIVE_SCAN_CHAN_TIME); + chan->chanscanmode.passivescan = 0; } - scanchanlist[chanidx].channumber = cfp->channel; + chan->channumber = cfp->channel; - if (filteredscan) { - scanchanlist[chanidx].chanscanmode. - disablechanfilt = 1; - } + if (filteredscan) + chan->chanscanmode.disablechanfilt = 1; } } return chanidx; @@ -400,11 +370,11 @@ static int lbs_scan_create_channel_list(struct lbs_private *priv, * length 06 00 * ssid 4d 4e 54 45 53 54 */ -static int lbs_scan_add_ssid_tlv(u8 *tlv, - const struct lbs_ioctl_user_scan_cfg *user_cfg) +static int lbs_scan_add_ssid_tlv(uint8_t *tlv, + const struct lbs_ioctl_user_scan_cfg *user_cfg) { - struct mrvlietypes_ssidparamset *ssid_tlv = - (struct mrvlietypes_ssidparamset *)tlv; + struct mrvlietypes_ssidparamset *ssid_tlv = (void *)tlv; + ssid_tlv->header.type = cpu_to_le16(TLV_TYPE_SSID); ssid_tlv->header.len = cpu_to_le16(user_cfg->ssid_len); memcpy(ssid_tlv->ssid, user_cfg->ssid, user_cfg->ssid_len); @@ -437,13 +407,12 @@ static int lbs_scan_add_ssid_tlv(u8 *tlv, * channel 13 00 0d 00 00 00 64 00 * */ -static int lbs_scan_add_chanlist_tlv(u8 *tlv, - struct chanscanparamset *chan_list, - int chan_count) +static int lbs_scan_add_chanlist_tlv(uint8_t *tlv, + struct chanscanparamset *chan_list, + int chan_count) { - size_t size = sizeof(struct chanscanparamset) * chan_count; - struct mrvlietypes_chanlistparamset *chan_tlv = - (struct mrvlietypes_chanlistparamset *) tlv; + size_t size = sizeof(struct chanscanparamset) *chan_count; + struct mrvlietypes_chanlistparamset *chan_tlv = (void *)tlv; chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST); memcpy(chan_tlv->chanscanparam, chan_list, size); @@ -462,11 +431,10 @@ static int lbs_scan_add_chanlist_tlv(u8 *tlv, * The rates are in lbs_bg_rates[], but for the 802.11b * rates the high bit isn't set. */ -static int lbs_scan_add_rates_tlv(u8 *tlv) +static int lbs_scan_add_rates_tlv(uint8_t *tlv) { int i; - struct mrvlietypes_ratesparamset *rate_tlv = - (struct mrvlietypes_ratesparamset *) tlv; + struct mrvlietypes_ratesparamset *rate_tlv = (void *)tlv; rate_tlv->header.type = cpu_to_le16(TLV_TYPE_RATES); tlv += sizeof(rate_tlv->header); @@ -492,24 +460,22 @@ static int lbs_scan_add_rates_tlv(u8 *tlv) * Generate the CMD_802_11_SCAN command with the proper tlv * for a bunch of channels. */ -static int lbs_do_scan(struct lbs_private *priv, - u8 bsstype, - struct chanscanparamset *chan_list, - int chan_count, - const struct lbs_ioctl_user_scan_cfg *user_cfg) +static int lbs_do_scan(struct lbs_private *priv, uint8_t bsstype, + struct chanscanparamset *chan_list, int chan_count, + const struct lbs_ioctl_user_scan_cfg *user_cfg) { int ret = -ENOMEM; - struct lbs_scan_cmd_config *scan_cmd; - u8 *tlv; /* pointer into our current, growing TLV storage area */ + struct cmd_ds_802_11_scan *scan_cmd; + uint8_t *tlv; /* pointer into our current, growing TLV storage area */ - lbs_deb_enter_args(LBS_DEB_SCAN, "bsstype %d, chanlist[].chan %d, " - "chan_count %d", - bsstype, chan_list[0].channumber, chan_count); + lbs_deb_enter_args(LBS_DEB_SCAN, "bsstype %d, chanlist[].chan %d, chan_count %d", + bsstype, chan_list[0].channumber, chan_count); /* create the fixed part for scan command */ scan_cmd = kzalloc(MAX_SCAN_CFG_ALLOC, GFP_KERNEL); if (scan_cmd == NULL) goto out; + tlv = scan_cmd->tlvbuffer; if (user_cfg) memcpy(scan_cmd->bssid, user_cfg->bssid, ETH_ALEN); @@ -523,13 +489,16 @@ static int lbs_do_scan(struct lbs_private *priv, tlv += lbs_scan_add_rates_tlv(tlv); /* This is the final data we are about to send */ - scan_cmd->tlvbufferlen = tlv - scan_cmd->tlvbuffer; - lbs_deb_hex(LBS_DEB_SCAN, "SCAN_CMD", (void *)scan_cmd, 1+6); + scan_cmd->hdr.size = cpu_to_le16(tlv - (uint8_t *)scan_cmd); + lbs_deb_hex(LBS_DEB_SCAN, "SCAN_CMD", (void *)scan_cmd, + sizeof(*scan_cmd)); lbs_deb_hex(LBS_DEB_SCAN, "SCAN_TLV", scan_cmd->tlvbuffer, - scan_cmd->tlvbufferlen); + tlv - scan_cmd->tlvbuffer); + + ret = __lbs_cmd(priv, CMD_802_11_SCAN, &scan_cmd->hdr, + le16_to_cpu(scan_cmd->hdr.size), + lbs_ret_80211_scan, 0); - ret = lbs_prepare_and_send_command(priv, CMD_802_11_SCAN, 0, - CMD_OPTION_WAITFORRSP, 0, scan_cmd); out: kfree(scan_cmd); lbs_deb_leave_args(LBS_DEB_SCAN, "ret %d", ret); @@ -553,14 +522,14 @@ out: * @return 0 or < 0 if error */ int lbs_scan_networks(struct lbs_private *priv, - const struct lbs_ioctl_user_scan_cfg *user_cfg, - int full_scan) + const struct lbs_ioctl_user_scan_cfg *user_cfg, + int full_scan) { int ret = -ENOMEM; struct chanscanparamset *chan_list; struct chanscanparamset *curr_chans; int chan_count; - u8 bsstype = CMD_BSS_TYPE_ANY; + uint8_t bsstype = CMD_BSS_TYPE_ANY; int numchannels = MRVDRV_CHANNELS_PER_SCAN_CMD; int filteredscan = 0; union iwreq_data wrqu; @@ -570,8 +539,7 @@ int lbs_scan_networks(struct lbs_private *priv, DECLARE_MAC_BUF(mac); #endif - lbs_deb_enter_args(LBS_DEB_SCAN, "full_scan %d", - full_scan); + lbs_deb_enter_args(LBS_DEB_SCAN, "full_scan %d", full_scan); /* Cancel any partial outstanding partial scans if this scan * is a full scan. @@ -583,26 +551,24 @@ int lbs_scan_networks(struct lbs_private *priv, if (user_cfg) { if (user_cfg->bsstype) bsstype = user_cfg->bsstype; - if (compare_ether_addr(user_cfg->bssid, &zeromac[0]) != 0) { + if (!is_zero_ether_addr(user_cfg->bssid)) { numchannels = MRVDRV_MAX_CHANNELS_PER_SCAN; filteredscan = 1; } } - lbs_deb_scan("numchannels %d, bsstype %d, " - "filteredscan %d\n", - numchannels, bsstype, filteredscan); + lbs_deb_scan("numchannels %d, bsstype %d, filteredscan %d\n", + numchannels, bsstype, filteredscan); /* Create list of channels to scan */ chan_list = kzalloc(sizeof(struct chanscanparamset) * - LBS_IOCTL_USER_SCAN_CHAN_MAX, GFP_KERNEL); + LBS_IOCTL_USER_SCAN_CHAN_MAX, GFP_KERNEL); if (!chan_list) { lbs_pr_alert("SCAN: chan_list empty\n"); goto out; } /* We want to scan all channels */ - chan_count = lbs_scan_create_channel_list(priv, chan_list, - filteredscan); + chan_count = lbs_scan_create_channel_list(priv, chan_list, filteredscan); netif_stop_queue(priv->dev); netif_carrier_off(priv->dev); @@ -629,9 +595,9 @@ int lbs_scan_networks(struct lbs_private *priv, while (chan_count) { int to_scan = min(numchannels, chan_count); lbs_deb_scan("scanning %d of %d channels\n", - to_scan, chan_count); + to_scan, chan_count); ret = lbs_do_scan(priv, bsstype, curr_chans, - to_scan, user_cfg); + to_scan, user_cfg); if (ret) { lbs_pr_err("SCAN_CMD failed\n"); goto out2; @@ -640,8 +606,7 @@ int lbs_scan_networks(struct lbs_private *priv, chan_count -= to_scan; /* somehow schedule the next part of the scan */ - if (chan_count && - !full_scan && + if (chan_count && !full_scan && !priv->surpriseremoved) { /* -1 marks just that we're currently scanning */ if (priv->scan_channel < 0) @@ -650,7 +615,7 @@ int lbs_scan_networks(struct lbs_private *priv, priv->scan_channel += to_scan; cancel_delayed_work(&priv->scan_work); queue_delayed_work(priv->work_thread, &priv->scan_work, - msecs_to_jiffies(300)); + msecs_to_jiffies(300)); /* skip over GIWSCAN event */ goto out; } @@ -665,8 +630,8 @@ int lbs_scan_networks(struct lbs_private *priv, lbs_deb_scan("scan table:\n"); list_for_each_entry(iter, &priv->network_list, list) lbs_deb_scan("%02d: BSSID %s, RSSI %d, SSID '%s'\n", - i++, print_mac(mac, iter->bssid), (s32) iter->rssi, - escape_essid(iter->ssid, iter->ssid_len)); + i++, print_mac(mac, iter->bssid), (int)iter->rssi, + escape_essid(iter->ssid, iter->ssid_len)); mutex_unlock(&priv->lock); #endif @@ -711,7 +676,7 @@ out: * @return 0 or -1 */ static int lbs_process_bss(struct bss_descriptor *bss, - u8 ** pbeaconinfo, int *bytesleft) + uint8_t **pbeaconinfo, int *bytesleft) { struct ieeetypes_fhparamset *pFH; struct ieeetypes_dsparamset *pDS; @@ -719,9 +684,9 @@ static int lbs_process_bss(struct bss_descriptor *bss, struct ieeetypes_ibssparamset *pibss; DECLARE_MAC_BUF(mac); struct ieeetypes_countryinfoset *pcountryinfo; - u8 *pos, *end, *p; - u8 n_ex_rates = 0, got_basic_rates = 0, n_basic_rates = 0; - u16 beaconsize = 0; + uint8_t *pos, *end, *p; + uint8_t n_ex_rates = 0, got_basic_rates = 0, n_basic_rates = 0; + uint16_t beaconsize = 0; int ret; lbs_deb_enter(LBS_DEB_SCAN); @@ -793,12 +758,11 @@ static int lbs_process_bss(struct bss_descriptor *bss, /* process variable IE */ while (pos <= end - 2) { - struct ieee80211_info_element * elem = - (struct ieee80211_info_element *) pos; + struct ieee80211_info_element * elem = (void *)pos; if (pos + elem->len > end) { lbs_deb_scan("process_bss: error in processing IE, " - "bytes left < IE length\n"); + "bytes left < IE length\n"); break; } @@ -812,7 +776,7 @@ static int lbs_process_bss(struct bss_descriptor *bss, break; case MFIE_TYPE_RATES: - n_basic_rates = min_t(u8, MAX_RATES, elem->len); + n_basic_rates = min_t(uint8_t, MAX_RATES, elem->len); memcpy(bss->rates, elem->data, n_basic_rates); got_basic_rates = 1; lbs_deb_scan("got RATES IE\n"); @@ -853,19 +817,16 @@ static int lbs_process_bss(struct bss_descriptor *bss, lbs_deb_scan("got COUNTRY IE\n"); if (pcountryinfo->len < sizeof(pcountryinfo->countrycode) || pcountryinfo->len > 254) { - lbs_deb_scan("process_bss: 11D- Err " - "CountryInfo len %d, min %zd, max 254\n", - pcountryinfo->len, - sizeof(pcountryinfo->countrycode)); + lbs_deb_scan("process_bss: 11D- Err CountryInfo len %d, min %zd, max 254\n", + pcountryinfo->len, sizeof(pcountryinfo->countrycode)); ret = -1; goto done; } - memcpy(&bss->countryinfo, - pcountryinfo, pcountryinfo->len + 2); + memcpy(&bss->countryinfo, pcountryinfo, pcountryinfo->len + 2); lbs_deb_hex(LBS_DEB_SCAN, "process_bss: 11d countryinfo", - (u8 *) pcountryinfo, - (u32) (pcountryinfo->len + 2)); + (uint8_t *) pcountryinfo, + (int) (pcountryinfo->len + 2)); break; case MFIE_TYPE_RATES_EX: @@ -889,26 +850,19 @@ static int lbs_process_bss(struct bss_descriptor *bss, case MFIE_TYPE_GENERIC: if (elem->len >= 4 && - elem->data[0] == 0x00 && - elem->data[1] == 0x50 && - elem->data[2] == 0xf2 && - elem->data[3] == 0x01) { - bss->wpa_ie_len = min(elem->len + 2, - MAX_WPA_IE_LEN); + elem->data[0] == 0x00 && elem->data[1] == 0x50 && + elem->data[2] == 0xf2 && elem->data[3] == 0x01) { + bss->wpa_ie_len = min(elem->len + 2, MAX_WPA_IE_LEN); memcpy(bss->wpa_ie, elem, bss->wpa_ie_len); lbs_deb_scan("got WPA IE\n"); - lbs_deb_hex(LBS_DEB_SCAN, "WPA IE", bss->wpa_ie, - elem->len); + lbs_deb_hex(LBS_DEB_SCAN, "WPA IE", bss->wpa_ie, elem->len); } else if (elem->len >= MARVELL_MESH_IE_LENGTH && - elem->data[0] == 0x00 && - elem->data[1] == 0x50 && - elem->data[2] == 0x43 && - elem->data[3] == 0x04) { + elem->data[0] == 0x00 && elem->data[1] == 0x50 && + elem->data[2] == 0x43 && elem->data[3] == 0x04) { lbs_deb_scan("got mesh IE\n"); bss->mesh = 1; } else { - lbs_deb_scan("got generiec IE: " - "%02x:%02x:%02x:%02x, len %d\n", + lbs_deb_scan("got generic IE: %02x:%02x:%02x:%02x, len %d\n", elem->data[0], elem->data[1], elem->data[2], elem->data[3], elem->len); @@ -920,12 +874,12 @@ static int lbs_process_bss(struct bss_descriptor *bss, bss->rsn_ie_len = min(elem->len + 2, MAX_WPA_IE_LEN); memcpy(bss->rsn_ie, elem, bss->rsn_ie_len); lbs_deb_hex(LBS_DEB_SCAN, "process_bss: RSN_IE", - bss->rsn_ie, elem->len); + bss->rsn_ie, elem->len); break; default: lbs_deb_scan("got IE 0x%04x, len %d\n", - elem->id, elem->len); + elem->id, elem->len); break; } @@ -955,18 +909,17 @@ done: * @return index in BSSID list, or error return code (< 0) */ struct bss_descriptor *lbs_find_bssid_in_list(struct lbs_private *priv, - u8 * bssid, u8 mode) + uint8_t *bssid, uint8_t mode) { - struct bss_descriptor * iter_bss; - struct bss_descriptor * found_bss = NULL; + struct bss_descriptor *iter_bss; + struct bss_descriptor *found_bss = NULL; lbs_deb_enter(LBS_DEB_SCAN); if (!bssid) goto out; - lbs_deb_hex(LBS_DEB_SCAN, "looking for", - bssid, ETH_ALEN); + lbs_deb_hex(LBS_DEB_SCAN, "looking for", bssid, ETH_ALEN); /* Look through the scan table for a compatible match. The loop will * continue past a matched bssid that is not compatible in case there @@ -1008,10 +961,11 @@ out: * @return index in BSSID list */ struct bss_descriptor *lbs_find_ssid_in_list(struct lbs_private *priv, - u8 *ssid, u8 ssid_len, u8 * bssid, u8 mode, - int channel) + uint8_t *ssid, uint8_t ssid_len, + uint8_t *bssid, uint8_t mode, + int channel) { - u8 bestrssi = 0; + uint8_t bestrssi = 0; struct bss_descriptor * iter_bss = NULL; struct bss_descriptor * found_bss = NULL; struct bss_descriptor * tmp_oldest = NULL; @@ -1026,7 +980,7 @@ struct bss_descriptor *lbs_find_ssid_in_list(struct lbs_private *priv, tmp_oldest = iter_bss; if (lbs_ssid_cmp(iter_bss->ssid, iter_bss->ssid_len, - ssid, ssid_len) != 0) + ssid, ssid_len) != 0) continue; /* ssid doesn't match */ if (bssid && compare_ether_addr(iter_bss->bssid, bssid) != 0) continue; /* bssid doesn't match */ @@ -1076,13 +1030,12 @@ out: * * @return index in BSSID list */ -static struct bss_descriptor *lbs_find_best_ssid_in_list( - struct lbs_private *priv, - u8 mode) +static struct bss_descriptor *lbs_find_best_ssid_in_list(struct lbs_private *priv, + uint8_t mode) { - u8 bestrssi = 0; - struct bss_descriptor * iter_bss; - struct bss_descriptor * best_bss = NULL; + uint8_t bestrssi = 0; + struct bss_descriptor *iter_bss; + struct bss_descriptor *best_bss = NULL; lbs_deb_enter(LBS_DEB_SCAN); @@ -1124,11 +1077,12 @@ static struct bss_descriptor *lbs_find_best_ssid_in_list( * * @return 0--success, otherwise--fail */ -int lbs_find_best_network_ssid(struct lbs_private *priv, - u8 *out_ssid, u8 *out_ssid_len, u8 preferred_mode, u8 *out_mode) +int lbs_find_best_network_ssid(struct lbs_private *priv, uint8_t *out_ssid, + uint8_t *out_ssid_len, uint8_t preferred_mode, + uint8_t *out_mode) { int ret = -1; - struct bss_descriptor * found; + struct bss_descriptor *found; lbs_deb_enter(LBS_DEB_SCAN); @@ -1163,14 +1117,14 @@ out: * * @return 0-success, otherwise fail */ -int lbs_send_specific_ssid_scan(struct lbs_private *priv, - u8 *ssid, u8 ssid_len, u8 clear_ssid) +int lbs_send_specific_ssid_scan(struct lbs_private *priv, uint8_t *ssid, + uint8_t ssid_len, uint8_t clear_ssid) { struct lbs_ioctl_user_scan_cfg scancfg; int ret = 0; lbs_deb_enter_args(LBS_DEB_SCAN, "SSID '%s', clear %d", - escape_essid(ssid, ssid_len), clear_ssid); + escape_essid(ssid, ssid_len), clear_ssid); if (!ssid_len) goto out; @@ -1204,17 +1158,17 @@ out: #define MAX_CUSTOM_LEN 64 static inline char *lbs_translate_scan(struct lbs_private *priv, - char *start, char *stop, - struct bss_descriptor *bss) + char *start, char *stop, + struct bss_descriptor *bss) { struct chan_freq_power *cfp; char *current_val; /* For rates */ struct iw_event iwe; /* Temporary buffer */ int j; -#define PERFECT_RSSI ((u8)50) -#define WORST_RSSI ((u8)0) -#define RSSI_DIFF ((u8)(PERFECT_RSSI - WORST_RSSI)) - u8 rssi; +#define PERFECT_RSSI ((uint8_t)50) +#define WORST_RSSI ((uint8_t)0) +#define RSSI_DIFF ((uint8_t)(PERFECT_RSSI - WORST_RSSI)) + uint8_t rssi; lbs_deb_enter(LBS_DEB_SCAN); @@ -1234,7 +1188,7 @@ static inline char *lbs_translate_scan(struct lbs_private *priv, /* SSID */ iwe.cmd = SIOCGIWESSID; iwe.u.data.flags = 1; - iwe.u.data.length = min((u32) bss->ssid_len, (u32) IW_ESSID_MAX_SIZE); + iwe.u.data.length = min((uint32_t) bss->ssid_len, (uint32_t) IW_ESSID_MAX_SIZE); start = iwe_stream_add_point(start, stop, &iwe, bss->ssid); /* Mode */ @@ -1255,28 +1209,26 @@ static inline char *lbs_translate_scan(struct lbs_private *priv, rssi = iwe.u.qual.level - MRVDRV_NF_DEFAULT_SCAN_VALUE; iwe.u.qual.qual = - (100 * RSSI_DIFF * RSSI_DIFF - (PERFECT_RSSI - rssi) * - (15 * (RSSI_DIFF) + 62 * (PERFECT_RSSI - rssi))) / - (RSSI_DIFF * RSSI_DIFF); + (100 * RSSI_DIFF * RSSI_DIFF - (PERFECT_RSSI - rssi) * + (15 * (RSSI_DIFF) + 62 * (PERFECT_RSSI - rssi))) / + (RSSI_DIFF * RSSI_DIFF); if (iwe.u.qual.qual > 100) iwe.u.qual.qual = 100; if (priv->NF[TYPE_BEACON][TYPE_NOAVG] == 0) { iwe.u.qual.noise = MRVDRV_NF_DEFAULT_SCAN_VALUE; } else { - iwe.u.qual.noise = - CAL_NF(priv->NF[TYPE_BEACON][TYPE_NOAVG]); + iwe.u.qual.noise = CAL_NF(priv->NF[TYPE_BEACON][TYPE_NOAVG]); } /* Locally created ad-hoc BSSs won't have beacons if this is the * only station in the adhoc network; so get signal strength * from receive statistics. */ - if ((priv->mode == IW_MODE_ADHOC) - && priv->adhoccreate + if ((priv->mode == IW_MODE_ADHOC) && priv->adhoccreate && !lbs_ssid_cmp(priv->curbssparams.ssid, - priv->curbssparams.ssid_len, - bss->ssid, bss->ssid_len)) { + priv->curbssparams.ssid_len, + bss->ssid, bss->ssid_len)) { int snr, nf; snr = priv->SNR[TYPE_RXPD][TYPE_AVG] / AVG_SCALE; nf = priv->NF[TYPE_RXPD][TYPE_AVG] / AVG_SCALE; @@ -1307,14 +1259,13 @@ static inline char *lbs_translate_scan(struct lbs_private *priv, current_val = iwe_stream_add_value(start, current_val, stop, &iwe, IW_EV_PARAM_LEN); } - if ((bss->mode == IW_MODE_ADHOC) + if ((bss->mode == IW_MODE_ADHOC) && priv->adhoccreate && !lbs_ssid_cmp(priv->curbssparams.ssid, - priv->curbssparams.ssid_len, - bss->ssid, bss->ssid_len) - && priv->adhoccreate) { + priv->curbssparams.ssid_len, + bss->ssid, bss->ssid_len)) { iwe.u.bitrate.value = 22 * 500000; current_val = iwe_stream_add_value(start, current_val, - stop, &iwe, IW_EV_PARAM_LEN); + stop, &iwe, IW_EV_PARAM_LEN); } /* Check if we added any event */ if((current_val - start) > IW_EV_LCP_LEN) @@ -1343,8 +1294,7 @@ static inline char *lbs_translate_scan(struct lbs_private *priv, char *p = custom; iwe.cmd = IWEVCUSTOM; - p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), - "mesh-type: olpc"); + p += snprintf(p, MAX_CUSTOM_LEN, "mesh-type: olpc"); iwe.u.data.length = p - custom; if (iwe.u.data.length) start = iwe_stream_add_point(start, stop, &iwe, custom); @@ -1367,7 +1317,7 @@ out: * @return 0 --success, otherwise fail */ int lbs_set_scan(struct net_device *dev, struct iw_request_info *info, - struct iw_param *wrqu, char *extra) + struct iw_param *wrqu, char *extra) { struct lbs_private *priv = dev->priv; @@ -1391,7 +1341,7 @@ int lbs_set_scan(struct net_device *dev, struct iw_request_info *info, if (!delayed_work_pending(&priv->scan_work)) queue_delayed_work(priv->work_thread, &priv->scan_work, - msecs_to_jiffies(50)); + msecs_to_jiffies(50)); /* set marker that currently a scan is taking place */ priv->scan_channel = -1; @@ -1414,15 +1364,15 @@ int lbs_set_scan(struct net_device *dev, struct iw_request_info *info, * @return 0 --success, otherwise fail */ int lbs_get_scan(struct net_device *dev, struct iw_request_info *info, - struct iw_point *dwrq, char *extra) + struct iw_point *dwrq, char *extra) { #define SCAN_ITEM_SIZE 128 struct lbs_private *priv = dev->priv; int err = 0; char *ev = extra; char *stop = ev + dwrq->length; - struct bss_descriptor * iter_bss; - struct bss_descriptor * safe; + struct bss_descriptor *iter_bss; + struct bss_descriptor *safe; lbs_deb_enter(LBS_DEB_SCAN); @@ -1431,14 +1381,13 @@ int lbs_get_scan(struct net_device *dev, struct iw_request_info *info, return -EAGAIN; /* Update RSSI if current BSS is a locally created ad-hoc BSS */ - if ((priv->mode == IW_MODE_ADHOC) && priv->adhoccreate) { + if ((priv->mode == IW_MODE_ADHOC) && priv->adhoccreate) lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0, - CMD_OPTION_WAITFORRSP, 0, NULL); - } + CMD_OPTION_WAITFORRSP, 0, NULL); mutex_lock(&priv->lock); list_for_each_entry_safe (iter_bss, safe, &priv->network_list, list) { - char * next_ev; + char *next_ev; unsigned long stale_time; if (stop - ev < SCAN_ITEM_SIZE) { @@ -1453,8 +1402,7 @@ int lbs_get_scan(struct net_device *dev, struct iw_request_info *info, /* Prune old an old scan result */ stale_time = iter_bss->last_scanned + DEFAULT_MAX_SCAN_AGE; if (time_after(jiffies, stale_time)) { - list_move_tail (&iter_bss->list, - &priv->network_free_list); + list_move_tail(&iter_bss->list, &priv->network_free_list); clear_bss_descriptor(iter_bss); continue; } @@ -1485,44 +1433,6 @@ int lbs_get_scan(struct net_device *dev, struct iw_request_info *info, /** - * @brief Prepare a scan command to be sent to the firmware - * - * Called via lbs_prepare_and_send_command(priv, CMD_802_11_SCAN, ...) - * from cmd.c - * - * Sends a fixed length data part (specifying the BSS type and BSSID filters) - * as well as a variable number/length of TLVs to the firmware. - * - * @param priv A pointer to struct lbs_private structure - * @param cmd A pointer to cmd_ds_command structure to be sent to - * firmware with the cmd_DS_801_11_SCAN structure - * @param pdata_buf Void pointer cast of a lbs_scan_cmd_config struct used - * to set the fields/TLVs for the command sent to firmware - * - * @return 0 or -1 - */ -int lbs_cmd_80211_scan(struct lbs_private *priv, - struct cmd_ds_command *cmd, void *pdata_buf) -{ - struct cmd_ds_802_11_scan *pscan = &cmd->params.scan; - struct lbs_scan_cmd_config *pscancfg = pdata_buf; - - lbs_deb_enter(LBS_DEB_SCAN); - - /* Set fixed field variables in scan command */ - pscan->bsstype = pscancfg->bsstype; - memcpy(pscan->bssid, pscancfg->bssid, ETH_ALEN); - memcpy(pscan->tlvbuffer, pscancfg->tlvbuffer, pscancfg->tlvbufferlen); - - /* size is equal to the sizeof(fixed portions) + the TLV len + header */ - cmd->size = cpu_to_le16(sizeof(pscan->bsstype) + ETH_ALEN - + pscancfg->tlvbufferlen + S_DS_GEN); - - lbs_deb_leave(LBS_DEB_SCAN); - return 0; -} - -/** * @brief This function handles the command response of scan * * Called from handle_cmd_response() in cmdrespc. @@ -1548,13 +1458,14 @@ int lbs_cmd_80211_scan(struct lbs_private *priv, * * @return 0 or -1 */ -int lbs_ret_80211_scan(struct lbs_private *priv, struct cmd_ds_command *resp) +static int lbs_ret_80211_scan(struct lbs_private *priv, unsigned long dummy, + struct cmd_header *resp) { - struct cmd_ds_802_11_scan_rsp *pscan; - struct bss_descriptor * iter_bss; - struct bss_descriptor * safe; - u8 *pbssinfo; - u16 scanrespsize; + struct cmd_ds_802_11_scan_rsp *scanresp = (void *)resp; + struct bss_descriptor *iter_bss; + struct bss_descriptor *safe; + uint8_t *bssinfo; + uint16_t scanrespsize; int bytesleft; int idx; int tlvbufsize; @@ -1571,48 +1482,45 @@ int lbs_ret_80211_scan(struct lbs_private *priv, struct cmd_ds_command *resp) clear_bss_descriptor(iter_bss); } - pscan = &resp->params.scanresp; - - if (pscan->nr_sets > MAX_NETWORK_COUNT) { - lbs_deb_scan( - "SCAN_RESP: too many scan results (%d, max %d)!!\n", - pscan->nr_sets, MAX_NETWORK_COUNT); + if (scanresp->nr_sets > MAX_NETWORK_COUNT) { + lbs_deb_scan("SCAN_RESP: too many scan results (%d, max %d)\n", + scanresp->nr_sets, MAX_NETWORK_COUNT); ret = -1; goto done; } - bytesleft = le16_to_cpu(pscan->bssdescriptsize); + bytesleft = le16_to_cpu(scanresp->bssdescriptsize); lbs_deb_scan("SCAN_RESP: bssdescriptsize %d\n", bytesleft); scanrespsize = le16_to_cpu(resp->size); - lbs_deb_scan("SCAN_RESP: scan results %d\n", pscan->nr_sets); + lbs_deb_scan("SCAN_RESP: scan results %d\n", scanresp->nr_sets); - pbssinfo = pscan->bssdesc_and_tlvbuffer; + bssinfo = scanresp->bssdesc_and_tlvbuffer; /* The size of the TLV buffer is equal to the entire command response * size (scanrespsize) minus the fixed fields (sizeof()'s), the * BSS Descriptions (bssdescriptsize as bytesLef) and the command * response header (S_DS_GEN) */ - tlvbufsize = scanrespsize - (bytesleft + sizeof(pscan->bssdescriptsize) - + sizeof(pscan->nr_sets) + tlvbufsize = scanrespsize - (bytesleft + sizeof(scanresp->bssdescriptsize) + + sizeof(scanresp->nr_sets) + S_DS_GEN); /* - * Process each scan response returned (pscan->nr_sets). Save + * Process each scan response returned (scanresp->nr_sets). Save * the information in the newbssentry and then insert into the * driver scan table either as an update to an existing entry * or as an addition at the end of the table */ - for (idx = 0; idx < pscan->nr_sets && bytesleft; idx++) { + for (idx = 0; idx < scanresp->nr_sets && bytesleft; idx++) { struct bss_descriptor new; - struct bss_descriptor * found = NULL; - struct bss_descriptor * oldest = NULL; + struct bss_descriptor *found = NULL; + struct bss_descriptor *oldest = NULL; DECLARE_MAC_BUF(mac); /* Process the data fields and IEs returned for this BSS */ memset(&new, 0, sizeof (struct bss_descriptor)); - if (lbs_process_bss(&new, &pbssinfo, &bytesleft) != 0) { + if (lbs_process_bss(&new, &bssinfo, &bytesleft) != 0) { /* error parsing the scan response, skipped */ lbs_deb_scan("SCAN_RESP: process_bss returned ERROR\n"); continue; @@ -1647,8 +1555,7 @@ int lbs_ret_80211_scan(struct lbs_private *priv, struct cmd_ds_command *resp) continue; } - lbs_deb_scan("SCAN_RESP: BSSID %s\n", - print_mac(mac, new.bssid)); + lbs_deb_scan("SCAN_RESP: BSSID %s\n", print_mac(mac, new.bssid)); /* Copy the locally created newbssentry to the scan table */ memcpy(found, &new, offsetof(struct bss_descriptor, list)); diff --git a/drivers/net/wireless/libertas/scan.h b/drivers/net/wireless/libertas/scan.h index 319f70dde350..10d1196acf78 100644 --- a/drivers/net/wireless/libertas/scan.h +++ b/drivers/net/wireless/libertas/scan.h @@ -17,57 +17,16 @@ */ #define LBS_IOCTL_USER_SCAN_CHAN_MAX 50 -//! Infrastructure BSS scan type in lbs_scan_cmd_config +//! Infrastructure BSS scan type in cmd_ds_802_11_scan #define LBS_SCAN_BSS_TYPE_BSS 1 -//! Adhoc BSS scan type in lbs_scan_cmd_config +//! Adhoc BSS scan type in cmd_ds_802_11_scan #define LBS_SCAN_BSS_TYPE_IBSS 2 -//! Adhoc or Infrastructure BSS scan type in lbs_scan_cmd_config, no filter +//! Adhoc or Infrastructure BSS scan type in cmd_ds_802_11_scan, no filter #define LBS_SCAN_BSS_TYPE_ANY 3 /** - * @brief Structure used internally in the wlan driver to configure a scan. - * - * Sent to the command processing module to configure the firmware - * scan command prepared by lbs_cmd_80211_scan. - * - * @sa lbs_scan_networks - * - */ -struct lbs_scan_cmd_config { - /** - * @brief BSS type to be sent in the firmware command - * - * Field can be used to restrict the types of networks returned in the - * scan. valid settings are: - * - * - LBS_SCAN_BSS_TYPE_BSS (infrastructure) - * - LBS_SCAN_BSS_TYPE_IBSS (adhoc) - * - LBS_SCAN_BSS_TYPE_ANY (unrestricted, adhoc and infrastructure) - */ - u8 bsstype; - - /** - * @brief Specific BSSID used to filter scan results in the firmware - */ - u8 bssid[ETH_ALEN]; - - /** - * @brief length of TLVs sent in command starting at tlvBuffer - */ - int tlvbufferlen; - - /** - * @brief SSID TLV(s) and ChanList TLVs to be sent in the firmware command - * - * @sa TLV_TYPE_CHANLIST, mrvlietypes_chanlistparamset_t - * @sa TLV_TYPE_SSID, mrvlietypes_ssidparamset_t - */ - u8 tlvbuffer[1]; //!< SSID TLV(s) and ChanList TLVs are stored here -}; - -/** * @brief IOCTL channel sub-structure sent in lbs_ioctl_user_scan_cfg * * Multiple instances of this structure are included in the IOCTL command @@ -179,13 +138,6 @@ int lbs_find_best_network_ssid(struct lbs_private *priv, u8 *out_ssid, int lbs_send_specific_ssid_scan(struct lbs_private *priv, u8 *ssid, u8 ssid_len, u8 clear_ssid); -int lbs_cmd_80211_scan(struct lbs_private *priv, - struct cmd_ds_command *cmd, - void *pdata_buf); - -int lbs_ret_80211_scan(struct lbs_private *priv, - struct cmd_ds_command *resp); - int lbs_scan_networks(struct lbs_private *priv, const struct lbs_ioctl_user_scan_cfg *puserscanin, int full_scan); diff --git a/drivers/net/wireless/libertas/types.h b/drivers/net/wireless/libertas/types.h index f0d57958b34b..4031be420862 100644 --- a/drivers/net/wireless/libertas/types.h +++ b/drivers/net/wireless/libertas/types.h @@ -239,4 +239,17 @@ struct mrvlietypes_ledgpio { struct led_pin ledpin[1]; } __attribute__ ((packed)); +struct led_bhv { + uint8_t firmwarestate; + uint8_t led; + uint8_t ledstate; + uint8_t ledarg; +} __attribute__ ((packed)); + + +struct mrvlietypes_ledbhv { + struct mrvlietypesheader header; + struct led_bhv ledbhv[1]; +} __attribute__ ((packed)); + #endif diff --git a/drivers/net/wireless/zd1211rw/zd_chip.c b/drivers/net/wireless/zd1211rw/zd_chip.c index db96adf90ae2..0acb5c345734 100644 --- a/drivers/net/wireless/zd1211rw/zd_chip.c +++ b/drivers/net/wireless/zd1211rw/zd_chip.c @@ -809,6 +809,7 @@ static int hw_init_hmac(struct zd_chip *chip) { CR_AFTER_PNP, 0x1 }, { CR_WEP_PROTECT, 0x114 }, { CR_IFS_VALUE, IFS_VALUE_DEFAULT }, + { CR_CAM_MODE, MODE_AP_WDS}, }; ZD_ASSERT(mutex_is_locked(&chip->mutex)); diff --git a/drivers/net/wireless/zd1211rw/zd_chip.h b/drivers/net/wireless/zd1211rw/zd_chip.h index 5b6e3a3751ba..f8c061a9b6ec 100644 --- a/drivers/net/wireless/zd1211rw/zd_chip.h +++ b/drivers/net/wireless/zd1211rw/zd_chip.h @@ -489,6 +489,7 @@ enum { #define CR_RX_OFFSET CTL_REG(0x065c) +#define CR_BCN_LENGTH CTL_REG(0x0664) #define CR_PHY_DELAY CTL_REG(0x066C) #define CR_BCN_FIFO CTL_REG(0x0670) #define CR_SNIFFER_ON CTL_REG(0x0674) @@ -545,6 +546,8 @@ enum { #define RX_FILTER_CTRL (RX_FILTER_RTS | RX_FILTER_CTS | \ RX_FILTER_CFEND | RX_FILTER_CFACK) +#define BCN_MODE_IBSS 0x2000000 + /* Monitor mode sets filter to 0xfffff */ #define CR_ACK_TIMEOUT_EXT CTL_REG(0x0690) @@ -578,6 +581,11 @@ enum { /* CAM: Continuous Access Mode (power management) */ #define CR_CAM_MODE CTL_REG(0x0700) +#define MODE_IBSS 0x0 +#define MODE_AP 0x1 +#define MODE_STA 0x2 +#define MODE_AP_WDS 0x3 + #define CR_CAM_ROLL_TB_LOW CTL_REG(0x0704) #define CR_CAM_ROLL_TB_HIGH CTL_REG(0x0708) #define CR_CAM_ADDRESS CTL_REG(0x070C) diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c index f90f03f676de..69c45ca99051 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.c +++ b/drivers/net/wireless/zd1211rw/zd_mac.c @@ -475,6 +475,46 @@ static void cs_set_control(struct zd_mac *mac, struct zd_ctrlset *cs, /* FIXME: Management frame? */ } +void zd_mac_config_beacon(struct ieee80211_hw *hw, struct sk_buff *beacon) +{ + struct zd_mac *mac = zd_hw_mac(hw); + u32 tmp, j = 0; + /* 4 more bytes for tail CRC */ + u32 full_len = beacon->len + 4; + zd_iowrite32(&mac->chip, CR_BCN_FIFO_SEMAPHORE, 0); + zd_ioread32(&mac->chip, CR_BCN_FIFO_SEMAPHORE, &tmp); + while (tmp & 0x2) { + zd_ioread32(&mac->chip, CR_BCN_FIFO_SEMAPHORE, &tmp); + if ((++j % 100) == 0) { + printk(KERN_ERR "CR_BCN_FIFO_SEMAPHORE not ready\n"); + if (j >= 500) { + printk(KERN_ERR "Giving up beacon config.\n"); + return; + } + } + msleep(1); + } + + zd_iowrite32(&mac->chip, CR_BCN_FIFO, full_len - 1); + if (zd_chip_is_zd1211b(&mac->chip)) + zd_iowrite32(&mac->chip, CR_BCN_LENGTH, full_len - 1); + + for (j = 0 ; j < beacon->len; j++) + zd_iowrite32(&mac->chip, CR_BCN_FIFO, + *((u8 *)(beacon->data + j))); + + for (j = 0; j < 4; j++) + zd_iowrite32(&mac->chip, CR_BCN_FIFO, 0x0); + + zd_iowrite32(&mac->chip, CR_BCN_FIFO_SEMAPHORE, 1); + /* 802.11b/g 2.4G CCK 1Mb + * 802.11a, not yet implemented, uses different values (see GPL vendor + * driver) + */ + zd_iowrite32(&mac->chip, CR_BCN_PLCP_CFG, 0x00000400 | + (full_len << 19)); +} + static int fill_ctrlset(struct zd_mac *mac, struct sk_buff *skb, struct ieee80211_tx_control *control) @@ -709,6 +749,7 @@ static int zd_op_add_interface(struct ieee80211_hw *hw, switch (conf->type) { case IEEE80211_IF_TYPE_MNTR: + case IEEE80211_IF_TYPE_MESH_POINT: case IEEE80211_IF_TYPE_STA: mac->type = conf->type; break; @@ -738,15 +779,43 @@ static int zd_op_config_interface(struct ieee80211_hw *hw, struct ieee80211_if_conf *conf) { struct zd_mac *mac = zd_hw_mac(hw); + int associated; + + if (mac->type == IEEE80211_IF_TYPE_MESH_POINT) { + associated = true; + if (conf->beacon) { + zd_mac_config_beacon(hw, conf->beacon); + kfree_skb(conf->beacon); + zd_set_beacon_interval(&mac->chip, BCN_MODE_IBSS | + hw->conf.beacon_int); + } + } else + associated = is_valid_ether_addr(conf->bssid); spin_lock_irq(&mac->lock); - mac->associated = is_valid_ether_addr(conf->bssid); + mac->associated = associated; spin_unlock_irq(&mac->lock); /* TODO: do hardware bssid filtering */ return 0; } +void zd_process_intr(struct work_struct *work) +{ + u16 int_status; + struct zd_mac *mac = container_of(work, struct zd_mac, process_intr); + + int_status = le16_to_cpu(*(u16 *)(mac->intr_buffer+4)); + if (int_status & INT_CFG_NEXT_BCN) { + if (net_ratelimit()) + dev_dbg_f(zd_mac_dev(mac), "INT_CFG_NEXT_BCN\n"); + } else + dev_dbg_f(zd_mac_dev(mac), "Unsupported interrupt\n"); + + zd_chip_enable_hwint(&mac->chip); +} + + static void set_multicast_hash_handler(struct work_struct *work) { struct zd_mac *mac = @@ -912,7 +981,8 @@ struct ieee80211_hw *zd_mac_alloc_hw(struct usb_interface *intf) hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &mac->band; - hw->flags = IEEE80211_HW_RX_INCLUDES_FCS; + hw->flags = IEEE80211_HW_RX_INCLUDES_FCS | + IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE; hw->max_rssi = 100; hw->max_signal = 100; @@ -926,6 +996,7 @@ struct ieee80211_hw *zd_mac_alloc_hw(struct usb_interface *intf) INIT_WORK(&mac->set_multicast_hash_work, set_multicast_hash_handler); INIT_WORK(&mac->set_rts_cts_work, set_rts_cts_work); INIT_WORK(&mac->set_rx_filter_work, set_rx_filter_handler); + INIT_WORK(&mac->process_intr, zd_process_intr); SET_IEEE80211_DEV(hw, &intf->dev); return hw; diff --git a/drivers/net/wireless/zd1211rw/zd_mac.h b/drivers/net/wireless/zd1211rw/zd_mac.h index 67dea9739c8f..71170244d2c9 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.h +++ b/drivers/net/wireless/zd1211rw/zd_mac.h @@ -172,12 +172,15 @@ struct zd_tx_skb_control_block { struct zd_mac { struct zd_chip chip; spinlock_t lock; + spinlock_t intr_lock; struct ieee80211_hw *hw; struct housekeeping housekeeping; struct work_struct set_multicast_hash_work; struct work_struct set_rts_cts_work; struct work_struct set_rx_filter_work; + struct work_struct process_intr; struct zd_mc_hash multicast_hash; + u8 intr_buffer[USB_MAX_EP_INT_BUFFER]; u8 regdomain; u8 default_regdomain; int type; diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c index 7942b15acfe7..e34675c2f8fc 100644 --- a/drivers/net/wireless/zd1211rw/zd_usb.c +++ b/drivers/net/wireless/zd1211rw/zd_usb.c @@ -97,6 +97,7 @@ MODULE_DEVICE_TABLE(usb, usb_ids); #define FW_ZD1211B_PREFIX "zd1211/zd1211b_" /* USB device initialization */ +static void int_urb_complete(struct urb *urb); static int request_fw_file( const struct firmware **fw, const char *name, struct device *device) @@ -336,11 +337,18 @@ static inline void handle_regs_int(struct urb *urb) struct zd_usb *usb = urb->context; struct zd_usb_interrupt *intr = &usb->intr; int len; + u16 int_num; ZD_ASSERT(in_interrupt()); spin_lock(&intr->lock); - if (intr->read_regs_enabled) { + int_num = le16_to_cpu(*(u16 *)(urb->transfer_buffer+2)); + if (int_num == CR_INTERRUPT) { + struct zd_mac *mac = zd_hw_mac(zd_usb_to_hw(urb->context)); + memcpy(&mac->intr_buffer, urb->transfer_buffer, + USB_MAX_EP_INT_BUFFER); + schedule_work(&mac->process_intr); + } else if (intr->read_regs_enabled) { intr->read_regs.length = len = urb->actual_length; if (len > sizeof(intr->read_regs.buffer)) @@ -351,7 +359,6 @@ static inline void handle_regs_int(struct urb *urb) goto out; } - dev_dbg_f(urb_dev(urb), "regs interrupt ignored\n"); out: spin_unlock(&intr->lock); } diff --git a/drivers/ssb/Kconfig b/drivers/ssb/Kconfig index adea792fb675..f69ef0ba2613 100644 --- a/drivers/ssb/Kconfig +++ b/drivers/ssb/Kconfig @@ -125,4 +125,13 @@ config SSB_DRIVER_EXTIF If unsure, say N +config SSB_DRIVER_GIGE + bool "SSB Broadcom Gigabit Ethernet driver" + depends on SSB_PCIHOST_POSSIBLE && SSB_EMBEDDED && MIPS + help + Driver for the Sonics Silicon Backplane attached + Broadcom Gigabit Ethernet. + + If unsure, say N + endmenu diff --git a/drivers/ssb/Makefile b/drivers/ssb/Makefile index de94c2eb7a37..910f35e32fc9 100644 --- a/drivers/ssb/Makefile +++ b/drivers/ssb/Makefile @@ -11,6 +11,7 @@ ssb-y += driver_chipcommon.o ssb-$(CONFIG_SSB_DRIVER_MIPS) += driver_mipscore.o ssb-$(CONFIG_SSB_DRIVER_EXTIF) += driver_extif.o ssb-$(CONFIG_SSB_DRIVER_PCICORE) += driver_pcicore.o +ssb-$(CONFIG_SSB_DRIVER_GIGE) += driver_gige.o # b43 pci-ssb-bridge driver # Not strictly a part of SSB, but kept here for convenience diff --git a/drivers/ssb/driver_gige.c b/drivers/ssb/driver_gige.c new file mode 100644 index 000000000000..172f90407b93 --- /dev/null +++ b/drivers/ssb/driver_gige.c @@ -0,0 +1,294 @@ +/* + * Sonics Silicon Backplane + * Broadcom Gigabit Ethernet core driver + * + * Copyright 2008, Broadcom Corporation + * Copyright 2008, Michael Buesch <mb@bu3sch.de> + * + * Licensed under the GNU/GPL. See COPYING for details. + */ + +#include <linux/ssb/ssb.h> +#include <linux/ssb/ssb_driver_gige.h> +#include <linux/pci.h> +#include <linux/pci_regs.h> + + +/* +MODULE_DESCRIPTION("SSB Broadcom Gigabit Ethernet driver"); +MODULE_AUTHOR("Michael Buesch"); +MODULE_LICENSE("GPL"); +*/ + +static const struct ssb_device_id ssb_gige_tbl[] = { + SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_ETHERNET_GBIT, SSB_ANY_REV), + SSB_DEVTABLE_END +}; +/* MODULE_DEVICE_TABLE(ssb, ssb_gige_tbl); */ + + +static inline u8 gige_read8(struct ssb_gige *dev, u16 offset) +{ + return ssb_read8(dev->dev, offset); +} + +static inline u16 gige_read16(struct ssb_gige *dev, u16 offset) +{ + return ssb_read16(dev->dev, offset); +} + +static inline u32 gige_read32(struct ssb_gige *dev, u16 offset) +{ + return ssb_read32(dev->dev, offset); +} + +static inline void gige_write8(struct ssb_gige *dev, + u16 offset, u8 value) +{ + ssb_write8(dev->dev, offset, value); +} + +static inline void gige_write16(struct ssb_gige *dev, + u16 offset, u16 value) +{ + ssb_write16(dev->dev, offset, value); +} + +static inline void gige_write32(struct ssb_gige *dev, + u16 offset, u32 value) +{ + ssb_write32(dev->dev, offset, value); +} + +static inline +u8 gige_pcicfg_read8(struct ssb_gige *dev, unsigned int offset) +{ + BUG_ON(offset >= 256); + return gige_read8(dev, SSB_GIGE_PCICFG + offset); +} + +static inline +u16 gige_pcicfg_read16(struct ssb_gige *dev, unsigned int offset) +{ + BUG_ON(offset >= 256); + return gige_read16(dev, SSB_GIGE_PCICFG + offset); +} + +static inline +u32 gige_pcicfg_read32(struct ssb_gige *dev, unsigned int offset) +{ + BUG_ON(offset >= 256); + return gige_read32(dev, SSB_GIGE_PCICFG + offset); +} + +static inline +void gige_pcicfg_write8(struct ssb_gige *dev, + unsigned int offset, u8 value) +{ + BUG_ON(offset >= 256); + gige_write8(dev, SSB_GIGE_PCICFG + offset, value); +} + +static inline +void gige_pcicfg_write16(struct ssb_gige *dev, + unsigned int offset, u16 value) +{ + BUG_ON(offset >= 256); + gige_write16(dev, SSB_GIGE_PCICFG + offset, value); +} + +static inline +void gige_pcicfg_write32(struct ssb_gige *dev, + unsigned int offset, u32 value) +{ + BUG_ON(offset >= 256); + gige_write32(dev, SSB_GIGE_PCICFG + offset, value); +} + +static int ssb_gige_pci_read_config(struct pci_bus *bus, unsigned int devfn, + int reg, int size, u32 *val) +{ + struct ssb_gige *dev = container_of(bus->ops, struct ssb_gige, pci_ops); + unsigned long flags; + + if ((PCI_SLOT(devfn) > 0) || (PCI_FUNC(devfn) > 0)) + return PCIBIOS_DEVICE_NOT_FOUND; + if (reg >= 256) + return PCIBIOS_DEVICE_NOT_FOUND; + + spin_lock_irqsave(&dev->lock, flags); + switch (size) { + case 1: + *val = gige_pcicfg_read8(dev, reg); + break; + case 2: + *val = gige_pcicfg_read16(dev, reg); + break; + case 4: + *val = gige_pcicfg_read32(dev, reg); + break; + default: + WARN_ON(1); + } + spin_unlock_irqrestore(&dev->lock, flags); + + return PCIBIOS_SUCCESSFUL; +} + +static int ssb_gige_pci_write_config(struct pci_bus *bus, unsigned int devfn, + int reg, int size, u32 val) +{ + struct ssb_gige *dev = container_of(bus->ops, struct ssb_gige, pci_ops); + unsigned long flags; + + if ((PCI_SLOT(devfn) > 0) || (PCI_FUNC(devfn) > 0)) + return PCIBIOS_DEVICE_NOT_FOUND; + if (reg >= 256) + return PCIBIOS_DEVICE_NOT_FOUND; + + spin_lock_irqsave(&dev->lock, flags); + switch (size) { + case 1: + gige_pcicfg_write8(dev, reg, val); + break; + case 2: + gige_pcicfg_write16(dev, reg, val); + break; + case 4: + gige_pcicfg_write32(dev, reg, val); + break; + default: + WARN_ON(1); + } + spin_unlock_irqrestore(&dev->lock, flags); + + return PCIBIOS_SUCCESSFUL; +} + +static int ssb_gige_probe(struct ssb_device *sdev, const struct ssb_device_id *id) +{ + struct ssb_gige *dev; + u32 base, tmslow, tmshigh; + + dev = kzalloc(sizeof(*dev), GFP_KERNEL); + if (!dev) + return -ENOMEM; + dev->dev = sdev; + + spin_lock_init(&dev->lock); + dev->pci_controller.pci_ops = &dev->pci_ops; + dev->pci_controller.io_resource = &dev->io_resource; + dev->pci_controller.mem_resource = &dev->mem_resource; + dev->pci_controller.io_map_base = 0x800; + dev->pci_ops.read = ssb_gige_pci_read_config; + dev->pci_ops.write = ssb_gige_pci_write_config; + + dev->io_resource.name = SSB_GIGE_IO_RES_NAME; + dev->io_resource.start = 0x800; + dev->io_resource.end = 0x8FF; + dev->io_resource.flags = IORESOURCE_IO | IORESOURCE_PCI_FIXED; + + if (!ssb_device_is_enabled(sdev)) + ssb_device_enable(sdev, 0); + + /* Setup BAR0. This is a 64k MMIO region. */ + base = ssb_admatch_base(ssb_read32(sdev, SSB_ADMATCH1)); + gige_pcicfg_write32(dev, PCI_BASE_ADDRESS_0, base); + gige_pcicfg_write32(dev, PCI_BASE_ADDRESS_1, 0); + + dev->mem_resource.name = SSB_GIGE_MEM_RES_NAME; + dev->mem_resource.start = base; + dev->mem_resource.end = base + 0x10000 - 1; + dev->mem_resource.flags = IORESOURCE_MEM | IORESOURCE_PCI_FIXED; + + /* Enable the memory region. */ + gige_pcicfg_write16(dev, PCI_COMMAND, + gige_pcicfg_read16(dev, PCI_COMMAND) + | PCI_COMMAND_MEMORY); + + /* Write flushing is controlled by the Flush Status Control register. + * We want to flush every register write with a timeout and we want + * to disable the IRQ mask while flushing to avoid concurrency. + * Note that automatic write flushing does _not_ work from + * an IRQ handler. The driver must flush manually by reading a register. + */ + gige_write32(dev, SSB_GIGE_SHIM_FLUSHSTAT, 0x00000068); + + /* Check if we have an RGMII or GMII PHY-bus. + * On RGMII do not bypass the DLLs */ + tmslow = ssb_read32(sdev, SSB_TMSLOW); + tmshigh = ssb_read32(sdev, SSB_TMSHIGH); + if (tmshigh & SSB_GIGE_TMSHIGH_RGMII) { + tmslow &= ~SSB_GIGE_TMSLOW_TXBYPASS; + tmslow &= ~SSB_GIGE_TMSLOW_RXBYPASS; + dev->has_rgmii = 1; + } else { + tmslow |= SSB_GIGE_TMSLOW_TXBYPASS; + tmslow |= SSB_GIGE_TMSLOW_RXBYPASS; + dev->has_rgmii = 0; + } + tmslow |= SSB_GIGE_TMSLOW_DLLEN; + ssb_write32(sdev, SSB_TMSLOW, tmslow); + + ssb_set_drvdata(sdev, dev); + register_pci_controller(&dev->pci_controller); + + return 0; +} + +bool pdev_is_ssb_gige_core(struct pci_dev *pdev) +{ + if (!pdev->resource[0].name) + return 0; + return (strcmp(pdev->resource[0].name, SSB_GIGE_MEM_RES_NAME) == 0); +} +EXPORT_SYMBOL(pdev_is_ssb_gige_core); + +int ssb_gige_pcibios_plat_dev_init(struct ssb_device *sdev, + struct pci_dev *pdev) +{ + struct ssb_gige *dev = ssb_get_drvdata(sdev); + struct resource *res; + + if (pdev->bus->ops != &dev->pci_ops) { + /* The PCI device is not on this SSB GigE bridge device. */ + return -ENODEV; + } + + /* Fixup the PCI resources. */ + res = &(pdev->resource[0]); + res->flags = IORESOURCE_MEM | IORESOURCE_PCI_FIXED; + res->name = dev->mem_resource.name; + res->start = dev->mem_resource.start; + res->end = dev->mem_resource.end; + + /* Fixup interrupt lines. */ + pdev->irq = ssb_mips_irq(sdev) + 2; + pci_write_config_byte(pdev, PCI_INTERRUPT_LINE, pdev->irq); + + return 0; +} + +int ssb_gige_map_irq(struct ssb_device *sdev, + const struct pci_dev *pdev) +{ + struct ssb_gige *dev = ssb_get_drvdata(sdev); + + if (pdev->bus->ops != &dev->pci_ops) { + /* The PCI device is not on this SSB GigE bridge device. */ + return -ENODEV; + } + + return ssb_mips_irq(sdev) + 2; +} + +static struct ssb_driver ssb_gige_driver = { + .name = "BCM-GigE", + .id_table = ssb_gige_tbl, + .probe = ssb_gige_probe, +}; + +int ssb_gige_init(void) +{ + return ssb_driver_register(&ssb_gige_driver); +} diff --git a/drivers/ssb/driver_mipscore.c b/drivers/ssb/driver_mipscore.c index 3d3dd32bf3ab..e3fad3123ecb 100644 --- a/drivers/ssb/driver_mipscore.c +++ b/drivers/ssb/driver_mipscore.c @@ -209,6 +209,7 @@ void ssb_mipscore_init(struct ssb_mipscore *mcore) /* fallthrough */ case SSB_DEV_PCI: case SSB_DEV_ETHERNET: + case SSB_DEV_ETHERNET_GBIT: case SSB_DEV_80211: case SSB_DEV_USB20_HOST: /* These devices get their own IRQ line if available, the rest goes on IRQ0 */ diff --git a/drivers/ssb/driver_pcicore.c b/drivers/ssb/driver_pcicore.c index 74b9a8aea52b..33a7d5620474 100644 --- a/drivers/ssb/driver_pcicore.c +++ b/drivers/ssb/driver_pcicore.c @@ -60,77 +60,6 @@ static DEFINE_SPINLOCK(cfgspace_lock); /* Core to access the external PCI config space. Can only have one. */ static struct ssb_pcicore *extpci_core; -static u32 ssb_pcicore_pcibus_iobase = 0x100; -static u32 ssb_pcicore_pcibus_membase = SSB_PCI_DMA; - -int pcibios_plat_dev_init(struct pci_dev *d) -{ - struct resource *res; - int pos, size; - u32 *base; - - ssb_printk(KERN_INFO "PCI: Fixing up device %s\n", - pci_name(d)); - - /* Fix up resource bases */ - for (pos = 0; pos < 6; pos++) { - res = &d->resource[pos]; - if (res->flags & IORESOURCE_IO) - base = &ssb_pcicore_pcibus_iobase; - else - base = &ssb_pcicore_pcibus_membase; - res->flags |= IORESOURCE_PCI_FIXED; - if (res->end) { - size = res->end - res->start + 1; - if (*base & (size - 1)) - *base = (*base + size) & ~(size - 1); - res->start = *base; - res->end = res->start + size - 1; - *base += size; - pci_write_config_dword(d, PCI_BASE_ADDRESS_0 + (pos << 2), res->start); - } - /* Fix up PCI bridge BAR0 only */ - if (d->bus->number == 0 && PCI_SLOT(d->devfn) == 0) - break; - } - /* Fix up interrupt lines */ - d->irq = ssb_mips_irq(extpci_core->dev) + 2; - pci_write_config_byte(d, PCI_INTERRUPT_LINE, d->irq); - - return 0; -} - -static void __init ssb_fixup_pcibridge(struct pci_dev *dev) -{ - u8 lat; - - if (dev->bus->number != 0 || PCI_SLOT(dev->devfn) != 0) - return; - - ssb_printk(KERN_INFO "PCI: Fixing up bridge %s\n", pci_name(dev)); - - /* Enable PCI bridge bus mastering and memory space */ - pci_set_master(dev); - if (pcibios_enable_device(dev, ~0) < 0) { - ssb_printk(KERN_ERR "PCI: SSB bridge enable failed\n"); - return; - } - - /* Enable PCI bridge BAR1 prefetch and burst */ - pci_write_config_dword(dev, SSB_BAR1_CONTROL, 3); - - /* Make sure our latency is high enough to handle the devices behind us */ - lat = 168; - ssb_printk(KERN_INFO "PCI: Fixing latency timer of device %s to %u\n", - pci_name(dev), lat); - pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat); -} -DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, ssb_fixup_pcibridge); - -int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - return ssb_mips_irq(extpci_core->dev) + 2; -} static u32 get_cfgspace_addr(struct ssb_pcicore *pc, unsigned int bus, unsigned int dev, @@ -320,6 +249,95 @@ static struct pci_controller ssb_pcicore_controller = { .mem_offset = 0x24000000, }; +static u32 ssb_pcicore_pcibus_iobase = 0x100; +static u32 ssb_pcicore_pcibus_membase = SSB_PCI_DMA; + +/* This function is called when doing a pci_enable_device(). + * We must first check if the device is a device on the PCI-core bridge. */ +int ssb_pcicore_plat_dev_init(struct pci_dev *d) +{ + struct resource *res; + int pos, size; + u32 *base; + + if (d->bus->ops != &ssb_pcicore_pciops) { + /* This is not a device on the PCI-core bridge. */ + return -ENODEV; + } + + ssb_printk(KERN_INFO "PCI: Fixing up device %s\n", + pci_name(d)); + + /* Fix up resource bases */ + for (pos = 0; pos < 6; pos++) { + res = &d->resource[pos]; + if (res->flags & IORESOURCE_IO) + base = &ssb_pcicore_pcibus_iobase; + else + base = &ssb_pcicore_pcibus_membase; + res->flags |= IORESOURCE_PCI_FIXED; + if (res->end) { + size = res->end - res->start + 1; + if (*base & (size - 1)) + *base = (*base + size) & ~(size - 1); + res->start = *base; + res->end = res->start + size - 1; + *base += size; + pci_write_config_dword(d, PCI_BASE_ADDRESS_0 + (pos << 2), res->start); + } + /* Fix up PCI bridge BAR0 only */ + if (d->bus->number == 0 && PCI_SLOT(d->devfn) == 0) + break; + } + /* Fix up interrupt lines */ + d->irq = ssb_mips_irq(extpci_core->dev) + 2; + pci_write_config_byte(d, PCI_INTERRUPT_LINE, d->irq); + + return 0; +} + +/* Early PCI fixup for a device on the PCI-core bridge. */ +static void ssb_pcicore_fixup_pcibridge(struct pci_dev *dev) +{ + u8 lat; + + if (dev->bus->ops != &ssb_pcicore_pciops) { + /* This is not a device on the PCI-core bridge. */ + return; + } + if (dev->bus->number != 0 || PCI_SLOT(dev->devfn) != 0) + return; + + ssb_printk(KERN_INFO "PCI: Fixing up bridge %s\n", pci_name(dev)); + + /* Enable PCI bridge bus mastering and memory space */ + pci_set_master(dev); + if (pcibios_enable_device(dev, ~0) < 0) { + ssb_printk(KERN_ERR "PCI: SSB bridge enable failed\n"); + return; + } + + /* Enable PCI bridge BAR1 prefetch and burst */ + pci_write_config_dword(dev, SSB_BAR1_CONTROL, 3); + + /* Make sure our latency is high enough to handle the devices behind us */ + lat = 168; + ssb_printk(KERN_INFO "PCI: Fixing latency timer of device %s to %u\n", + pci_name(dev), lat); + pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat); +} +DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, ssb_pcicore_fixup_pcibridge); + +/* PCI device IRQ mapping. */ +int ssb_pcicore_pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +{ + if (dev->bus->ops != &ssb_pcicore_pciops) { + /* This is not a device on the PCI-core bridge. */ + return -ENODEV; + } + return ssb_mips_irq(extpci_core->dev) + 2; +} + static void ssb_pcicore_init_hostmode(struct ssb_pcicore *pc) { u32 val; diff --git a/drivers/ssb/embedded.c b/drivers/ssb/embedded.c index d3ade821555c..7dc3a6b41397 100644 --- a/drivers/ssb/embedded.c +++ b/drivers/ssb/embedded.c @@ -10,6 +10,9 @@ #include <linux/ssb/ssb.h> #include <linux/ssb/ssb_embedded.h> +#include <linux/ssb/ssb_driver_pci.h> +#include <linux/ssb/ssb_driver_gige.h> +#include <linux/pci.h> #include "ssb_private.h" @@ -130,3 +133,90 @@ u32 ssb_gpio_polarity(struct ssb_bus *bus, u32 mask, u32 value) return res; } EXPORT_SYMBOL(ssb_gpio_polarity); + +#ifdef CONFIG_SSB_DRIVER_GIGE +static int gige_pci_init_callback(struct ssb_bus *bus, unsigned long data) +{ + struct pci_dev *pdev = (struct pci_dev *)data; + struct ssb_device *dev; + unsigned int i; + int res; + + for (i = 0; i < bus->nr_devices; i++) { + dev = &(bus->devices[i]); + if (dev->id.coreid != SSB_DEV_ETHERNET_GBIT) + continue; + if (!dev->dev || + !dev->dev->driver || + !device_is_registered(dev->dev)) + continue; + res = ssb_gige_pcibios_plat_dev_init(dev, pdev); + if (res >= 0) + return res; + } + + return -ENODEV; +} +#endif /* CONFIG_SSB_DRIVER_GIGE */ + +int ssb_pcibios_plat_dev_init(struct pci_dev *dev) +{ + int err; + + err = ssb_pcicore_plat_dev_init(dev); + if (!err) + return 0; +#ifdef CONFIG_SSB_DRIVER_GIGE + err = ssb_for_each_bus_call((unsigned long)dev, gige_pci_init_callback); + if (err >= 0) + return err; +#endif + /* This is not a PCI device on any SSB device. */ + + return -ENODEV; +} + +#ifdef CONFIG_SSB_DRIVER_GIGE +static int gige_map_irq_callback(struct ssb_bus *bus, unsigned long data) +{ + const struct pci_dev *pdev = (const struct pci_dev *)data; + struct ssb_device *dev; + unsigned int i; + int res; + + for (i = 0; i < bus->nr_devices; i++) { + dev = &(bus->devices[i]); + if (dev->id.coreid != SSB_DEV_ETHERNET_GBIT) + continue; + if (!dev->dev || + !dev->dev->driver || + !device_is_registered(dev->dev)) + continue; + res = ssb_gige_map_irq(dev, pdev); + if (res >= 0) + return res; + } + + return -ENODEV; +} +#endif /* CONFIG_SSB_DRIVER_GIGE */ + +int ssb_pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +{ + int res; + + /* Check if this PCI device is a device on a SSB bus or device + * and return the IRQ number for it. */ + + res = ssb_pcicore_pcibios_map_irq(dev, slot, pin); + if (res >= 0) + return res; +#ifdef CONFIG_SSB_DRIVER_GIGE + res = ssb_for_each_bus_call((unsigned long)dev, gige_map_irq_callback); + if (res >= 0) + return res; +#endif + /* This is not a PCI device on any SSB device. */ + + return -ENODEV; +} diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c index 8db40c4b86e9..49d7bbb9bea7 100644 --- a/drivers/ssb/main.c +++ b/drivers/ssb/main.c @@ -14,6 +14,7 @@ #include <linux/io.h> #include <linux/ssb/ssb.h> #include <linux/ssb/ssb_regs.h> +#include <linux/ssb/ssb_driver_gige.h> #include <linux/dma-mapping.h> #include <linux/pci.h> @@ -68,6 +69,25 @@ found: } #endif /* CONFIG_SSB_PCIHOST */ +int ssb_for_each_bus_call(unsigned long data, + int (*func)(struct ssb_bus *bus, unsigned long data)) +{ + struct ssb_bus *bus; + int res; + + ssb_buses_lock(); + list_for_each_entry(bus, &buses, list) { + res = func(bus, data); + if (res >= 0) { + ssb_buses_unlock(); + return res; + } + } + ssb_buses_unlock(); + + return -ENODEV; +} + static struct ssb_device *ssb_device_get(struct ssb_device *dev) { if (dev) @@ -1171,7 +1191,14 @@ static int __init ssb_modinit(void) err = b43_pci_ssb_bridge_init(); if (err) { ssb_printk(KERN_ERR "Broadcom 43xx PCI-SSB-bridge " - "initialization failed"); + "initialization failed\n"); + /* don't fail SSB init because of this */ + err = 0; + } + err = ssb_gige_init(); + if (err) { + ssb_printk(KERN_ERR "SSB Broadcom Gigabit Ethernet " + "driver initialization failed\n"); /* don't fail SSB init because of this */ err = 0; } @@ -1185,6 +1212,7 @@ fs_initcall(ssb_modinit); static void __exit ssb_modexit(void) { + ssb_gige_exit(); b43_pci_ssb_bridge_exit(); bus_unregister(&ssb_bustype); } diff --git a/drivers/ssb/ssb_private.h b/drivers/ssb/ssb_private.h index 21eca2b5118b..d03b20983b1e 100644 --- a/drivers/ssb/ssb_private.h +++ b/drivers/ssb/ssb_private.h @@ -118,6 +118,8 @@ extern u32 ssb_calc_clock_rate(u32 plltype, u32 n, u32 m); extern int ssb_devices_freeze(struct ssb_bus *bus); extern int ssb_devices_thaw(struct ssb_bus *bus); extern struct ssb_bus *ssb_pci_dev_to_bus(struct pci_dev *pdev); +int ssb_for_each_bus_call(unsigned long data, + int (*func)(struct ssb_bus *bus, unsigned long data)); /* b43_pci_bridge.c */ #ifdef CONFIG_SSB_B43_PCI_BRIDGE diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index f577c8f1c66d..f27d11ab418b 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -97,6 +97,7 @@ #define IEEE80211_MAX_FRAME_LEN 2352 #define IEEE80211_MAX_SSID_LEN 32 +#define IEEE80211_MAX_MESH_ID_LEN 32 struct ieee80211_hdr { __le16 frame_control; @@ -109,6 +110,16 @@ struct ieee80211_hdr { } __attribute__ ((packed)); +struct ieee80211s_hdr { + u8 flags; + u8 ttl; + u8 seqnum[3]; + u8 eaddr1[6]; + u8 eaddr2[6]; + u8 eaddr3[6]; +} __attribute__ ((packed)); + + struct ieee80211_mgmt { __le16 frame_control; __le16 duration; @@ -206,6 +217,23 @@ struct ieee80211_mgmt { __le16 params; __le16 reason_code; } __attribute__((packed)) delba; + struct{ + u8 action_code; + /* capab_info for open and confirm, + * reason for close + */ + __le16 aux; + /* Followed in plink_confirm by status + * code, AID and supported rates, + * and directly by supported rates in + * plink_open and plink_close + */ + u8 variable[0]; + } __attribute__((packed)) plink_action; + struct{ + u8 action_code; + u8 variable[0]; + } __attribute__((packed)) mesh_action; } u; } __attribute__ ((packed)) action; } u; @@ -437,6 +465,13 @@ enum ieee80211_eid { WLAN_EID_TS_DELAY = 43, WLAN_EID_TCLAS_PROCESSING = 44, WLAN_EID_QOS_CAPA = 46, + /* 802.11s */ + WLAN_EID_MESH_CONFIG = 36, /* Pending IEEE 802.11 ANA approval */ + WLAN_EID_MESH_ID = 37, /* Pending IEEE 802.11 ANA approval */ + WLAN_EID_PEER_LINK = 40, /* Pending IEEE 802.11 ANA approval */ + WLAN_EID_PREQ = 53, /* Pending IEEE 802.11 ANA approval */ + WLAN_EID_PREP = 54, /* Pending IEEE 802.11 ANA approval */ + WLAN_EID_PERR = 55, /* Pending IEEE 802.11 ANA approval */ /* 802.11h */ WLAN_EID_PWR_CONSTRAINT = 32, WLAN_EID_PWR_CAPABILITY = 33, diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h index a9f0b93324a2..ea6517e58b04 100644 --- a/include/linux/nl80211.h +++ b/include/linux/nl80211.h @@ -78,6 +78,18 @@ * or, if no MAC address given, all stations, on the interface identified * by %NL80211_ATTR_IFINDEX. * + * @NL80211_CMD_GET_MPATH: Get mesh path attributes for mesh path to + * destination %NL80211_ATTR_MAC on the interface identified by + * %NL80211_ATTR_IFINDEX. + * @NL80211_CMD_SET_MPATH: Set mesh path attributes for mesh path to + * destination %NL80211_ATTR_MAC on the interface identified by + * %NL80211_ATTR_IFINDEX. + * @NL80211_CMD_NEW_PATH: Add a mesh path with given attributes to the + * the interface identified by %NL80211_ATTR_IFINDEX. + * @NL80211_CMD_DEL_PATH: Remove a mesh path identified by %NL80211_ATTR_MAC + * or, if no MAC address given, all mesh paths, on the interface identified + * by %NL80211_ATTR_IFINDEX. + * * @NL80211_CMD_MAX: highest used command number * @__NL80211_CMD_AFTER_LAST: internal use */ @@ -112,6 +124,11 @@ enum nl80211_commands { /* add commands here */ + NL80211_CMD_GET_MPATH, + NL80211_CMD_SET_MPATH, + NL80211_CMD_NEW_MPATH, + NL80211_CMD_DEL_MPATH, + /* used to define NL80211_CMD_MAX below */ __NL80211_CMD_AFTER_LAST, NL80211_CMD_MAX = __NL80211_CMD_AFTER_LAST - 1 @@ -157,13 +174,21 @@ enum nl80211_commands { * restriction (at most %NL80211_MAX_SUPP_RATES). * @NL80211_ATTR_STA_VLAN: interface index of VLAN interface to move station * to, or the AP interface the station was originally added to to. - * @NL80211_ATTR_STA_STATS: statistics for a station, part of station info + * @NL80211_ATTR_STA_INFO: information about a station, part of station info * given for %NL80211_CMD_GET_STATION, nested attribute containing - * info as possible, see &enum nl80211_sta_stats. + * info as possible, see &enum nl80211_sta_info. * * @NL80211_ATTR_WIPHY_BANDS: Information about an operating bands, * consisting of a nested array. * + * @NL80211_ATTR_MESH_ID: mesh id (1-32 bytes). + * @NL80211_ATTR_PLINK_ACTION: action to perform on the mesh peer link. + * @NL80211_ATTR_MPATH_NEXT_HOP: MAC address of the next hop for a mesh path. + * @NL80211_ATTR_MPATH_INFO: information about a mesh_path, part of mesh path + * info given for %NL80211_CMD_GET_MPATH, nested attribute described at + * &enum nl80211_mpath_info. + * + * * @NL80211_ATTR_MNTR_FLAGS: flags, nested element with NLA_FLAG attributes of * &enum nl80211_mntr_flags. * @@ -199,7 +224,7 @@ enum nl80211_attrs { NL80211_ATTR_STA_LISTEN_INTERVAL, NL80211_ATTR_STA_SUPPORTED_RATES, NL80211_ATTR_STA_VLAN, - NL80211_ATTR_STA_STATS, + NL80211_ATTR_STA_INFO, NL80211_ATTR_WIPHY_BANDS, @@ -207,6 +232,11 @@ enum nl80211_attrs { /* add attributes here, update the policy in nl80211.c */ + NL80211_ATTR_MESH_ID, + NL80211_ATTR_STA_PLINK_ACTION, + NL80211_ATTR_MPATH_NEXT_HOP, + NL80211_ATTR_MPATH_INFO, + __NL80211_ATTR_AFTER_LAST, NL80211_ATTR_MAX = __NL80211_ATTR_AFTER_LAST - 1 }; @@ -223,6 +253,7 @@ enum nl80211_attrs { * @NL80211_IFTYPE_AP_VLAN: VLAN interface for access points * @NL80211_IFTYPE_WDS: wireless distribution interface * @NL80211_IFTYPE_MONITOR: monitor interface receiving all frames + * @NL80211_IFTYPE_MESH_POINT: mesh point * @NL80211_IFTYPE_MAX: highest interface type number currently defined * @__NL80211_IFTYPE_AFTER_LAST: internal use * @@ -238,6 +269,7 @@ enum nl80211_iftype { NL80211_IFTYPE_AP_VLAN, NL80211_IFTYPE_WDS, NL80211_IFTYPE_MONITOR, + NL80211_IFTYPE_MESH_POINT, /* keep last */ __NL80211_IFTYPE_AFTER_LAST, @@ -267,27 +299,78 @@ enum nl80211_sta_flags { }; /** - * enum nl80211_sta_stats - station statistics + * enum nl80211_sta_info - station information * - * These attribute types are used with %NL80211_ATTR_STA_STATS + * These attribute types are used with %NL80211_ATTR_STA_INFO * when getting information about a station. * - * @__NL80211_STA_STAT_INVALID: attribute number 0 is reserved - * @NL80211_STA_STAT_INACTIVE_TIME: time since last activity (u32, msecs) - * @NL80211_STA_STAT_RX_BYTES: total received bytes (u32, from this station) - * @NL80211_STA_STAT_TX_BYTES: total transmitted bytes (u32, to this station) - * @__NL80211_STA_STAT_AFTER_LAST: internal - * @NL80211_STA_STAT_MAX: highest possible station stats attribute + * @__NL80211_STA_INFO_INVALID: attribute number 0 is reserved + * @NL80211_STA_INFO_INACTIVE_TIME: time since last activity (u32, msecs) + * @NL80211_STA_INFO_RX_BYTES: total received bytes (u32, from this station) + * @NL80211_STA_INFO_TX_BYTES: total transmitted bytes (u32, to this station) + * @__NL80211_STA_INFO_AFTER_LAST: internal + * @NL80211_STA_INFO_MAX: highest possible station info attribute + */ +enum nl80211_sta_info { + __NL80211_STA_INFO_INVALID, + NL80211_STA_INFO_INACTIVE_TIME, + NL80211_STA_INFO_RX_BYTES, + NL80211_STA_INFO_TX_BYTES, + NL80211_STA_INFO_LLID, + NL80211_STA_INFO_PLID, + NL80211_STA_INFO_PLINK_STATE, + + /* keep last */ + __NL80211_STA_INFO_AFTER_LAST, + NL80211_STA_INFO_MAX = __NL80211_STA_INFO_AFTER_LAST - 1 +}; + +/** + * enum nl80211_mpath_flags - nl80211 mesh path flags + * + * @NL80211_MPATH_FLAG_ACTIVE: the mesh path is active + * @NL80211_MPATH_FLAG_RESOLVING: the mesh path discovery process is running + * @NL80211_MPATH_FLAG_DSN_VALID: the mesh path contains a valid DSN + * @NL80211_MPATH_FLAG_FIXED: the mesh path has been manually set + * @NL80211_MPATH_FLAG_RESOLVED: the mesh path discovery process succeeded + */ +enum nl80211_mpath_flags { + NL80211_MPATH_FLAG_ACTIVE = 1<<0, + NL80211_MPATH_FLAG_RESOLVING = 1<<1, + NL80211_MPATH_FLAG_DSN_VALID = 1<<2, + NL80211_MPATH_FLAG_FIXED = 1<<3, + NL80211_MPATH_FLAG_RESOLVED = 1<<4, +}; + +/** + * enum nl80211_mpath_info - mesh path information + * + * These attribute types are used with %NL80211_ATTR_MPATH_INFO when getting + * information about a mesh path. + * + * @__NL80211_MPATH_INFO_INVALID: attribute number 0 is reserved + * @NL80211_ATTR_MPATH_FRAME_QLEN: number of queued frames for this destination + * @NL80211_ATTR_MPATH_DSN: destination sequence number + * @NL80211_ATTR_MPATH_METRIC: metric (cost) of this mesh path + * @NL80211_ATTR_MPATH_EXPTIME: expiration time for the path, in msec from now + * @NL80211_ATTR_MPATH_FLAGS: mesh path flags, enumerated in + * &enum nl80211_mpath_flags; + * @NL80211_ATTR_MPATH_DISCOVERY_TIMEOUT: total path discovery timeout, in msec + * @NL80211_ATTR_MPATH_DISCOVERY_RETRIES: mesh path discovery retries */ -enum nl80211_sta_stats { - __NL80211_STA_STAT_INVALID, - NL80211_STA_STAT_INACTIVE_TIME, - NL80211_STA_STAT_RX_BYTES, - NL80211_STA_STAT_TX_BYTES, +enum nl80211_mpath_info { + __NL80211_MPATH_INFO_INVALID, + NL80211_MPATH_INFO_FRAME_QLEN, + NL80211_MPATH_INFO_DSN, + NL80211_MPATH_INFO_METRIC, + NL80211_MPATH_INFO_EXPTIME, + NL80211_MPATH_INFO_FLAGS, + NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, + NL80211_MPATH_INFO_DISCOVERY_RETRIES, /* keep last */ - __NL80211_STA_STAT_AFTER_LAST, - NL80211_STA_STAT_MAX = __NL80211_STA_STAT_AFTER_LAST - 1 + __NL80211_MPATH_INFO_AFTER_LAST, + NL80211_MPATH_INFO_MAX = __NL80211_MPATH_INFO_AFTER_LAST - 1 }; /** diff --git a/include/linux/ssb/ssb.h b/include/linux/ssb/ssb.h index 860d28c6d149..b7c388972fcf 100644 --- a/include/linux/ssb/ssb.h +++ b/include/linux/ssb/ssb.h @@ -422,5 +422,12 @@ extern int ssb_bus_powerup(struct ssb_bus *bus, bool dynamic_pctl); extern u32 ssb_admatch_base(u32 adm); extern u32 ssb_admatch_size(u32 adm); +/* PCI device mapping and fixup routines. + * Called from the architecture pcibios init code. + * These are only available on SSB_EMBEDDED configurations. */ +#ifdef CONFIG_SSB_EMBEDDED +int ssb_pcibios_plat_dev_init(struct pci_dev *dev); +int ssb_pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin); +#endif /* CONFIG_SSB_EMBEDDED */ #endif /* LINUX_SSB_H_ */ diff --git a/include/linux/ssb/ssb_driver_gige.h b/include/linux/ssb/ssb_driver_gige.h new file mode 100644 index 000000000000..01fbdf5fef22 --- /dev/null +++ b/include/linux/ssb/ssb_driver_gige.h @@ -0,0 +1,174 @@ +#ifndef LINUX_SSB_DRIVER_GIGE_H_ +#define LINUX_SSB_DRIVER_GIGE_H_ + +#include <linux/ssb/ssb.h> +#include <linux/pci.h> +#include <linux/spinlock.h> + + +#ifdef CONFIG_SSB_DRIVER_GIGE + + +#define SSB_GIGE_PCIIO 0x0000 /* PCI I/O Registers (1024 bytes) */ +#define SSB_GIGE_RESERVED 0x0400 /* Reserved (1024 bytes) */ +#define SSB_GIGE_PCICFG 0x0800 /* PCI config space (256 bytes) */ +#define SSB_GIGE_SHIM_FLUSHSTAT 0x0C00 /* PCI to OCP: Flush status control (32bit) */ +#define SSB_GIGE_SHIM_FLUSHRDA 0x0C04 /* PCI to OCP: Flush read address (32bit) */ +#define SSB_GIGE_SHIM_FLUSHTO 0x0C08 /* PCI to OCP: Flush timeout counter (32bit) */ +#define SSB_GIGE_SHIM_BARRIER 0x0C0C /* PCI to OCP: Barrier register (32bit) */ +#define SSB_GIGE_SHIM_MAOCPSI 0x0C10 /* PCI to OCP: MaocpSI Control (32bit) */ +#define SSB_GIGE_SHIM_SIOCPMA 0x0C14 /* PCI to OCP: SiocpMa Control (32bit) */ + +/* TM Status High flags */ +#define SSB_GIGE_TMSHIGH_RGMII 0x00010000 /* Have an RGMII PHY-bus */ +/* TM Status Low flags */ +#define SSB_GIGE_TMSLOW_TXBYPASS 0x00080000 /* TX bypass (no delay) */ +#define SSB_GIGE_TMSLOW_RXBYPASS 0x00100000 /* RX bypass (no delay) */ +#define SSB_GIGE_TMSLOW_DLLEN 0x01000000 /* Enable DLL controls */ + +/* Boardflags (low) */ +#define SSB_GIGE_BFL_ROBOSWITCH 0x0010 + + +#define SSB_GIGE_MEM_RES_NAME "SSB Broadcom 47xx GigE memory" +#define SSB_GIGE_IO_RES_NAME "SSB Broadcom 47xx GigE I/O" + +struct ssb_gige { + struct ssb_device *dev; + + spinlock_t lock; + + /* True, if the device has an RGMII bus. + * False, if the device has a GMII bus. */ + bool has_rgmii; + + /* The PCI controller device. */ + struct pci_controller pci_controller; + struct pci_ops pci_ops; + struct resource mem_resource; + struct resource io_resource; +}; + +/* Check whether a PCI device is a SSB Gigabit Ethernet core. */ +extern bool pdev_is_ssb_gige_core(struct pci_dev *pdev); + +/* Convert a pci_dev pointer to a ssb_gige pointer. */ +static inline struct ssb_gige * pdev_to_ssb_gige(struct pci_dev *pdev) +{ + if (!pdev_is_ssb_gige_core(pdev)) + return NULL; + return container_of(pdev->bus->ops, struct ssb_gige, pci_ops); +} + +/* Returns whether the PHY is connected by an RGMII bus. */ +static inline bool ssb_gige_is_rgmii(struct pci_dev *pdev) +{ + struct ssb_gige *dev = pdev_to_ssb_gige(pdev); + return (dev ? dev->has_rgmii : 0); +} + +/* Returns whether we have a Roboswitch. */ +static inline bool ssb_gige_have_roboswitch(struct pci_dev *pdev) +{ + struct ssb_gige *dev = pdev_to_ssb_gige(pdev); + if (dev) + return !!(dev->dev->bus->sprom.boardflags_lo & + SSB_GIGE_BFL_ROBOSWITCH); + return 0; +} + +/* Returns whether we can only do one DMA at once. */ +static inline bool ssb_gige_one_dma_at_once(struct pci_dev *pdev) +{ + struct ssb_gige *dev = pdev_to_ssb_gige(pdev); + if (dev) + return ((dev->dev->bus->chip_id == 0x4785) && + (dev->dev->bus->chip_rev < 2)); + return 0; +} + +/* Returns whether we must flush posted writes. */ +static inline bool ssb_gige_must_flush_posted_writes(struct pci_dev *pdev) +{ + struct ssb_gige *dev = pdev_to_ssb_gige(pdev); + if (dev) + return (dev->dev->bus->chip_id == 0x4785); + return 0; +} + +extern char * nvram_get(const char *name); +/* Get the device MAC address */ +static inline void ssb_gige_get_macaddr(struct pci_dev *pdev, u8 *macaddr) +{ +#ifdef CONFIG_BCM947XX + char *res = nvram_get("et0macaddr"); + if (res) + memcpy(macaddr, res, 6); +#endif +} + +extern int ssb_gige_pcibios_plat_dev_init(struct ssb_device *sdev, + struct pci_dev *pdev); +extern int ssb_gige_map_irq(struct ssb_device *sdev, + const struct pci_dev *pdev); + +/* The GigE driver is not a standalone module, because we don't have support + * for unregistering the driver. So we could not unload the module anyway. */ +extern int ssb_gige_init(void); +static inline void ssb_gige_exit(void) +{ + /* Currently we can not unregister the GigE driver, + * because we can not unregister the PCI bridge. */ + BUG(); +} + + +#else /* CONFIG_SSB_DRIVER_GIGE */ +/* Gigabit Ethernet driver disabled */ + + +static inline int ssb_gige_pcibios_plat_dev_init(struct ssb_device *sdev, + struct pci_dev *pdev) +{ + return -ENOSYS; +} +static inline int ssb_gige_map_irq(struct ssb_device *sdev, + const struct pci_dev *pdev) +{ + return -ENOSYS; +} +static inline int ssb_gige_init(void) +{ + return 0; +} +static inline void ssb_gige_exit(void) +{ +} + +static inline bool pdev_is_ssb_gige_core(struct pci_dev *pdev) +{ + return 0; +} +static inline struct ssb_gige * pdev_to_ssb_gige(struct pci_dev *pdev) +{ + return NULL; +} +static inline bool ssb_gige_is_rgmii(struct pci_dev *pdev) +{ + return 0; +} +static inline bool ssb_gige_have_roboswitch(struct pci_dev *pdev) +{ + return 0; +} +static inline bool ssb_gige_one_dma_at_once(struct pci_dev *pdev) +{ + return 0; +} +static inline bool ssb_gige_must_flush_posted_writes(struct pci_dev *pdev) +{ + return 0; +} + +#endif /* CONFIG_SSB_DRIVER_GIGE */ +#endif /* LINUX_SSB_DRIVER_GIGE_H_ */ diff --git a/include/linux/ssb/ssb_driver_pci.h b/include/linux/ssb/ssb_driver_pci.h index 5e25bac4ed31..41e330e51c2a 100644 --- a/include/linux/ssb/ssb_driver_pci.h +++ b/include/linux/ssb/ssb_driver_pci.h @@ -1,6 +1,11 @@ #ifndef LINUX_SSB_PCICORE_H_ #define LINUX_SSB_PCICORE_H_ +#include <linux/types.h> + +struct pci_dev; + + #ifdef CONFIG_SSB_DRIVER_PCICORE /* PCI core registers. */ @@ -88,6 +93,9 @@ extern void ssb_pcicore_init(struct ssb_pcicore *pc); extern int ssb_pcicore_dev_irqvecs_enable(struct ssb_pcicore *pc, struct ssb_device *dev); +int ssb_pcicore_plat_dev_init(struct pci_dev *d); +int ssb_pcicore_pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin); + #else /* CONFIG_SSB_DRIVER_PCICORE */ @@ -107,5 +115,16 @@ int ssb_pcicore_dev_irqvecs_enable(struct ssb_pcicore *pc, return 0; } +static inline +int ssb_pcicore_plat_dev_init(struct pci_dev *d) +{ + return -ENODEV; +} +static inline +int ssb_pcicore_pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +{ + return -ENODEV; +} + #endif /* CONFIG_SSB_DRIVER_PCICORE */ #endif /* LINUX_SSB_PCICORE_H_ */ diff --git a/include/linux/wireless.h b/include/linux/wireless.h index 3160dfed73ca..2864b1699ecc 100644 --- a/include/linux/wireless.h +++ b/include/linux/wireless.h @@ -455,6 +455,7 @@ #define IW_MODE_REPEAT 4 /* Wireless Repeater (forwarder) */ #define IW_MODE_SECOND 5 /* Secondary master/repeater (backup) */ #define IW_MODE_MONITOR 6 /* Passive monitor (listen only) */ +#define IW_MODE_MESH 7 /* Mesh (IEEE 802.11s) network */ /* Statistics flags (bitmask in updated) */ #define IW_QUAL_QUAL_UPDATED 0x01 /* Value was updated since last read */ diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index ab4caf63954f..e00750836ba5 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -12,6 +12,16 @@ * Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net> */ +/** + * struct vif_params - describes virtual interface parameters + * @mesh_id: mesh ID to use + * @mesh_id_len: length of the mesh ID + */ +struct vif_params { + u8 *mesh_id; + int mesh_id_len; +}; + /* Radiotap header iteration * implemented in net/wireless/radiotap.c * docs in Documentation/networking/radiotap-headers.txt @@ -109,6 +119,19 @@ enum station_flags { }; /** + * enum plink_action - actions to perform in mesh peers + * + * @PLINK_ACTION_INVALID: action 0 is reserved + * @PLINK_ACTION_OPEN: start mesh peer link establishment + * @PLINK_ACTION_BLOCL: block traffic from this mesh peer + */ +enum plink_actions { + PLINK_ACTION_INVALID, + PLINK_ACTION_OPEN, + PLINK_ACTION_BLOCK, +}; + +/** * struct station_parameters - station parameters * * Used to change and create a new station. @@ -128,39 +151,52 @@ struct station_parameters { int listen_interval; u16 aid; u8 supported_rates_len; + u8 plink_action; }; /** - * enum station_stats_flags - station statistics flags + * enum station_info_flags - station information flags * - * Used by the driver to indicate which info in &struct station_stats - * it has filled in during get_station(). + * Used by the driver to indicate which info in &struct station_info + * it has filled in during get_station() or dump_station(). * - * @STATION_STAT_INACTIVE_TIME: @inactive_time filled - * @STATION_STAT_RX_BYTES: @rx_bytes filled - * @STATION_STAT_TX_BYTES: @tx_bytes filled + * @STATION_INFO_INACTIVE_TIME: @inactive_time filled + * @STATION_INFO_RX_BYTES: @rx_bytes filled + * @STATION_INFO_TX_BYTES: @tx_bytes filled + * @STATION_INFO_LLID: @llid filled + * @STATION_INFO_PLID: @plid filled + * @STATION_INFO_PLINK_STATE: @plink_state filled */ -enum station_stats_flags { - STATION_STAT_INACTIVE_TIME = 1<<0, - STATION_STAT_RX_BYTES = 1<<1, - STATION_STAT_TX_BYTES = 1<<2, +enum station_info_flags { + STATION_INFO_INACTIVE_TIME = 1<<0, + STATION_INFO_RX_BYTES = 1<<1, + STATION_INFO_TX_BYTES = 1<<2, + STATION_INFO_LLID = 1<<3, + STATION_INFO_PLID = 1<<4, + STATION_INFO_PLINK_STATE = 1<<5, }; /** - * struct station_stats - station statistics + * struct station_info - station information * - * Station information filled by driver for get_station(). + * Station information filled by driver for get_station() and dump_station. * - * @filled: bitflag of flags from &enum station_stats_flags + * @filled: bitflag of flags from &enum station_info_flags * @inactive_time: time since last station activity (tx/rx) in milliseconds * @rx_bytes: bytes received from this station * @tx_bytes: bytes transmitted to this station + * @llid: mesh local link id + * @plid: mesh peer link id + * @plink_state: mesh peer link state */ -struct station_stats { +struct station_info { u32 filled; u32 inactive_time; u32 rx_bytes; u32 tx_bytes; + u16 llid; + u16 plid; + u8 plink_state; }; /** @@ -183,6 +219,56 @@ enum monitor_flags { MONITOR_FLAG_COOK_FRAMES = 1<<NL80211_MNTR_FLAG_COOK_FRAMES, }; +/** + * enum mpath_info_flags - mesh path information flags + * + * Used by the driver to indicate which info in &struct mpath_info it has filled + * in during get_station() or dump_station(). + * + * MPATH_INFO_FRAME_QLEN: @frame_qlen filled + * MPATH_INFO_DSN: @dsn filled + * MPATH_INFO_METRIC: @metric filled + * MPATH_INFO_EXPTIME: @exptime filled + * MPATH_INFO_DISCOVERY_TIMEOUT: @discovery_timeout filled + * MPATH_INFO_DISCOVERY_RETRIES: @discovery_retries filled + * MPATH_INFO_FLAGS: @flags filled + */ +enum mpath_info_flags { + MPATH_INFO_FRAME_QLEN = BIT(0), + MPATH_INFO_DSN = BIT(1), + MPATH_INFO_METRIC = BIT(2), + MPATH_INFO_EXPTIME = BIT(3), + MPATH_INFO_DISCOVERY_TIMEOUT = BIT(4), + MPATH_INFO_DISCOVERY_RETRIES = BIT(5), + MPATH_INFO_FLAGS = BIT(6), +}; + +/** + * struct mpath_info - mesh path information + * + * Mesh path information filled by driver for get_mpath() and dump_mpath(). + * + * @filled: bitfield of flags from &enum mpath_info_flags + * @frame_qlen: number of queued frames for this destination + * @dsn: destination sequence number + * @metric: metric (cost) of this mesh path + * @exptime: expiration time for the mesh path from now, in msecs + * @flags: mesh path flags + * @discovery_timeout: total mesh path discovery timeout, in msecs + * @discovery_retries: mesh path discovery retries + */ +struct mpath_info { + u32 filled; + u32 frame_qlen; + u32 dsn; + u32 metric; + u32 exptime; + u32 discovery_timeout; + u8 discovery_retries; + u8 flags; +}; + + /* from net/wireless.h */ struct wiphy; @@ -230,13 +316,17 @@ struct wiphy; * @del_station: Remove a station; @mac may be NULL to remove all stations. * * @change_station: Modify a given station. + * + * @set_mesh_cfg: set mesh parameters (by now, just mesh id) */ struct cfg80211_ops { int (*add_virtual_intf)(struct wiphy *wiphy, char *name, - enum nl80211_iftype type, u32 *flags); + enum nl80211_iftype type, u32 *flags, + struct vif_params *params); int (*del_virtual_intf)(struct wiphy *wiphy, int ifindex); int (*change_virtual_intf)(struct wiphy *wiphy, int ifindex, - enum nl80211_iftype type, u32 *flags); + enum nl80211_iftype type, u32 *flags, + struct vif_params *params); int (*add_key)(struct wiphy *wiphy, struct net_device *netdev, u8 key_index, u8 *mac_addr, @@ -264,7 +354,22 @@ struct cfg80211_ops { int (*change_station)(struct wiphy *wiphy, struct net_device *dev, u8 *mac, struct station_parameters *params); int (*get_station)(struct wiphy *wiphy, struct net_device *dev, - u8 *mac, struct station_stats *stats); + u8 *mac, struct station_info *sinfo); + int (*dump_station)(struct wiphy *wiphy, struct net_device *dev, + int idx, u8 *mac, struct station_info *sinfo); + + int (*add_mpath)(struct wiphy *wiphy, struct net_device *dev, + u8 *dst, u8 *next_hop); + int (*del_mpath)(struct wiphy *wiphy, struct net_device *dev, + u8 *dst); + int (*change_mpath)(struct wiphy *wiphy, struct net_device *dev, + u8 *dst, u8 *next_hop); + int (*get_mpath)(struct wiphy *wiphy, struct net_device *dev, + u8 *dst, u8 *next_hop, + struct mpath_info *pinfo); + int (*dump_mpath)(struct wiphy *wiphy, struct net_device *dev, + int idx, u8 *dst, u8 *next_hop, + struct mpath_info *pinfo); }; #endif /* __NET_CFG80211_H */ diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 7a80c3981237..5ab6a350ee6d 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -205,6 +205,62 @@ struct ieee80211_bss_conf { bool use_short_preamble; }; +/** + * enum mac80211_tx_control_flags - flags to describe Tx configuration for + * the Tx frame + * + * These flags are used with the @flags member of &ieee80211_tx_control + * + * @IEEE80211_TXCTL_REQ_TX_STATUS: request TX status callback for this frame. + * @IEEE80211_TXCTL_DO_NOT_ENCRYPT: send this frame without encryption; + * e.g., for EAPOL frame + * @IEEE80211_TXCTL_USE_RTS_CTS: use RTS-CTS before sending frame + * @IEEE80211_TXCTL_USE_CTS_PROTECT: use CTS protection for the frame (e.g., + * for combined 802.11g / 802.11b networks) + * @IEEE80211_TXCTL_NO_ACK: tell the low level not to wait for an ack + * @IEEE80211_TXCTL_RATE_CTRL_PROBE + * @EEE80211_TXCTL_CLEAR_PS_FILT: clear powersave filter + * for destination station + * @IEEE80211_TXCTL_REQUEUE: + * @IEEE80211_TXCTL_FIRST_FRAGMENT: this is a first fragment of the frame + * @IEEE80211_TXCTL_LONG_RETRY_LIMIT: this frame should be send using the + * through set_retry_limit configured long + * retry value + * @IEEE80211_TXCTL_EAPOL_FRAME: internal to mac80211 + * @IEEE80211_TXCTL_SEND_AFTER_DTIM: send this frame after DTIM beacon + * @IEEE80211_TXCTL_AMPDU: this frame should be sent as part of an A-MPDU + * @IEEE80211_TXCTL_OFDM_HT: this frame can be sent in HT OFDM rates. number + * of streams when this flag is on can be extracted + * from antenna_sel_tx, so if 1 antenna is marked + * use SISO, 2 antennas marked use MIMO, n antennas + * marked use MIMO_n. + * @IEEE80211_TXCTL_GREEN_FIELD: use green field protection for this frame + * @IEEE80211_TXCTL_40_MHZ_WIDTH: send this frame using 40 Mhz channel width + * @IEEE80211_TXCTL_DUP_DATA: duplicate data frame on both 20 Mhz channels + * @IEEE80211_TXCTL_SHORT_GI: send this frame using short guard interval + */ +enum mac80211_tx_control_flags { + IEEE80211_TXCTL_REQ_TX_STATUS = (1<<0), + IEEE80211_TXCTL_DO_NOT_ENCRYPT = (1<<1), + IEEE80211_TXCTL_USE_RTS_CTS = (1<<2), + IEEE80211_TXCTL_USE_CTS_PROTECT = (1<<3), + IEEE80211_TXCTL_NO_ACK = (1<<4), + IEEE80211_TXCTL_RATE_CTRL_PROBE = (1<<5), + IEEE80211_TXCTL_CLEAR_PS_FILT = (1<<6), + IEEE80211_TXCTL_REQUEUE = (1<<7), + IEEE80211_TXCTL_FIRST_FRAGMENT = (1<<8), + IEEE80211_TXCTL_SHORT_PREAMBLE = (1<<9), + IEEE80211_TXCTL_LONG_RETRY_LIMIT = (1<<10), + IEEE80211_TXCTL_EAPOL_FRAME = (1<<11), + IEEE80211_TXCTL_SEND_AFTER_DTIM = (1<<12), + IEEE80211_TXCTL_AMPDU = (1<<13), + IEEE80211_TXCTL_OFDM_HT = (1<<14), + IEEE80211_TXCTL_GREEN_FIELD = (1<<15), + IEEE80211_TXCTL_40_MHZ_WIDTH = (1<<16), + IEEE80211_TXCTL_DUP_DATA = (1<<17), + IEEE80211_TXCTL_SHORT_GI = (1<<18), +}; + /* Transmit control fields. This data structure is passed to low-level driver * with each TX frame. The low-level driver is responsible for configuring * the hardware to use given values (depending on what is supported). */ @@ -219,42 +275,14 @@ struct ieee80211_tx_control { /* retry rate for the last retries */ struct ieee80211_rate *alt_retry_rate; -#define IEEE80211_TXCTL_REQ_TX_STATUS (1<<0)/* request TX status callback for - * this frame */ -#define IEEE80211_TXCTL_DO_NOT_ENCRYPT (1<<1) /* send this frame without - * encryption; e.g., for EAPOL - * frames */ -#define IEEE80211_TXCTL_USE_RTS_CTS (1<<2) /* use RTS-CTS before sending - * frame */ -#define IEEE80211_TXCTL_USE_CTS_PROTECT (1<<3) /* use CTS protection for the - * frame (e.g., for combined - * 802.11g / 802.11b networks) */ -#define IEEE80211_TXCTL_NO_ACK (1<<4) /* tell the low level not to - * wait for an ack */ -#define IEEE80211_TXCTL_RATE_CTRL_PROBE (1<<5) -#define IEEE80211_TXCTL_CLEAR_PS_FILT (1<<6) /* clear powersave filter - * for destination station */ -#define IEEE80211_TXCTL_REQUEUE (1<<7) -#define IEEE80211_TXCTL_FIRST_FRAGMENT (1<<8) /* this is a first fragment of - * the frame */ -#define IEEE80211_TXCTL_SHORT_PREAMBLE (1<<9) -#define IEEE80211_TXCTL_LONG_RETRY_LIMIT (1<<10) /* this frame should be send - * using the through - * set_retry_limit configured - * long retry value */ -#define IEEE80211_TXCTL_EAPOL_FRAME (1<<11) /* internal to mac80211 */ -#define IEEE80211_TXCTL_SEND_AFTER_DTIM (1<<12) /* send this frame after DTIM - * beacon */ -#define IEEE80211_TXCTL_AMPDU (1<<13) /* this frame should be sent - * as part of an A-MPDU */ - u32 flags; /* tx control flags defined - * above */ + u32 flags; /* tx control flags defined above */ u8 key_idx; /* keyidx from hw->set_key(), undefined if * IEEE80211_TXCTL_DO_NOT_ENCRYPT is set */ u8 retry_limit; /* 1 = only first attempt, 2 = one retry, .. * This could be used when set_retry_limit * is not implemented by the driver */ - u8 antenna_sel_tx; /* 0 = default/diversity, 1 = Ant0, 2 = Ant1 */ + u8 antenna_sel_tx; /* 0 = default/diversity, otherwise bit + * position represents antenna number used */ u8 icv_len; /* length of the ICV/MIC field in octets */ u8 iv_len; /* length of the IV field in octets */ u8 queue; /* hardware queue to use for this frame; @@ -407,7 +435,6 @@ enum ieee80211_conf_flags { * @channel: the channel to tune to */ struct ieee80211_conf { - unsigned int regulatory_domain; int radio_enabled; int beacon_int; @@ -437,12 +464,14 @@ struct ieee80211_conf { * @IEEE80211_IF_TYPE_WDS: interface in WDS mode. * @IEEE80211_IF_TYPE_VLAN: VLAN interface bound to an AP, drivers * will never see this type. + * @IEEE80211_IF_TYPE_MESH_POINT: 802.11s mesh point */ enum ieee80211_if_types { IEEE80211_IF_TYPE_INVALID, IEEE80211_IF_TYPE_AP, IEEE80211_IF_TYPE_STA, IEEE80211_IF_TYPE_IBSS, + IEEE80211_IF_TYPE_MESH_POINT, IEEE80211_IF_TYPE_MNTR, IEEE80211_IF_TYPE_WDS, IEEE80211_IF_TYPE_VLAN, @@ -464,6 +493,14 @@ struct ieee80211_vif { u8 drv_priv[0] __attribute__((__aligned__(sizeof(void *)))); }; +static inline bool ieee80211_vif_is_mesh(struct ieee80211_vif *vif) +{ +#ifdef CONFIG_MAC80211_MESH + return vif->type == IEEE80211_IF_TYPE_MESH_POINT; +#endif + return false; +} + /** * struct ieee80211_if_init_conf - initial configuration of an interface * @@ -1087,8 +1124,9 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, /** * ieee80211_register_hw - Register hardware device * - * You must call this function before any other functions - * except ieee80211_register_hwmode. + * You must call this function before any other functions in + * mac80211. Note that before a hardware can be registered, you + * need to fill the contained wiphy's information. * * @hw: the device to register as returned by ieee80211_alloc_hw() */ diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig index 45c7c0c3875e..3c3f62faae1e 100644 --- a/net/mac80211/Kconfig +++ b/net/mac80211/Kconfig @@ -81,6 +81,15 @@ config MAC80211_RC_SIMPLE Say N unless you know what you are doing. endmenu +config MAC80211_MESH + bool "Enable mac80211 mesh networking (pre-802.11s) support" + depends on MAC80211 && EXPERIMENTAL + ---help--- + This options enables support of Draft 802.11s mesh networking. + The implementation is based on Draft 1.08 of the Mesh Networking + amendment. For more information visit http://o11s.org/. + + config MAC80211_LEDS bool "Enable LED triggers" depends on MAC80211 && LEDS_TRIGGERS @@ -166,3 +175,10 @@ config MAC80211_VERBOSE_PS_DEBUG ---help--- Say Y here to print out verbose powersave mode debug messages. + +config MAC80211_VERBOSE_MPL_DEBUG + bool "Verbose mesh peer link debugging" + depends on MAC80211_DEBUG && MAC80211_MESH + ---help--- + Say Y here to print out verbose mesh peer link + debug messages. diff --git a/net/mac80211/Makefile b/net/mac80211/Makefile index 9d7a19581a29..829ce4256b76 100644 --- a/net/mac80211/Makefile +++ b/net/mac80211/Makefile @@ -36,6 +36,12 @@ mac80211-$(CONFIG_MAC80211_DEBUGFS) += \ debugfs_netdev.o \ debugfs_key.o +mac80211-$(CONFIG_MAC80211_MESH) += \ + mesh.o \ + mesh_pathtbl.o \ + mesh_plink.o \ + mesh_hwmp.o + # Build rate control algorithm(s) CFLAGS_rc80211_simple.o += -DRC80211_SIMPLE_COMPILE diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index e7535ffc8e1c..6b183a3526b0 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -15,6 +15,7 @@ #include "ieee80211_i.h" #include "cfg.h" #include "ieee80211_rate.h" +#include "mesh.h" static enum ieee80211_if_types nl80211_type_to_mac80211_type(enum nl80211_iftype type) @@ -28,13 +29,18 @@ nl80211_type_to_mac80211_type(enum nl80211_iftype type) return IEEE80211_IF_TYPE_STA; case NL80211_IFTYPE_MONITOR: return IEEE80211_IF_TYPE_MNTR; +#ifdef CONFIG_MAC80211_MESH + case NL80211_IFTYPE_MESH_POINT: + return IEEE80211_IF_TYPE_MESH_POINT; +#endif default: return IEEE80211_IF_TYPE_INVALID; } } static int ieee80211_add_iface(struct wiphy *wiphy, char *name, - enum nl80211_iftype type, u32 *flags) + enum nl80211_iftype type, u32 *flags, + struct vif_params *params) { struct ieee80211_local *local = wiphy_priv(wiphy); enum ieee80211_if_types itype; @@ -49,7 +55,7 @@ static int ieee80211_add_iface(struct wiphy *wiphy, char *name, if (itype == IEEE80211_IF_TYPE_INVALID) return -EINVAL; - err = ieee80211_if_add(local->mdev, name, &dev, itype); + err = ieee80211_if_add(local->mdev, name, &dev, itype, params); if (err || itype != IEEE80211_IF_TYPE_MNTR || !flags) return err; @@ -78,7 +84,8 @@ static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex) } static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex, - enum nl80211_iftype type, u32 *flags) + enum nl80211_iftype type, u32 *flags, + struct vif_params *params) { struct ieee80211_local *local = wiphy_priv(wiphy); struct net_device *dev; @@ -108,6 +115,11 @@ static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex, ieee80211_if_reinit(dev); ieee80211_if_set_type(dev, itype); + if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len) + ieee80211_if_sta_set_mesh_id(&sdata->u.sta, + params->mesh_id_len, + params->mesh_id); + if (sdata->vif.type != IEEE80211_IF_TYPE_MNTR || !flags) return 0; @@ -122,7 +134,6 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, struct ieee80211_sub_if_data *sdata; struct sta_info *sta = NULL; enum ieee80211_key_alg alg; - int ret; struct ieee80211_key *key; sdata = IEEE80211_DEV_TO_SUB_IF(dev); @@ -156,12 +167,7 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, ieee80211_key_link(key, sdata, sta); - ret = 0; - - if (sta) - sta_info_put(sta); - - return ret; + return 0; } static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, @@ -170,7 +176,6 @@ static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, struct ieee80211_sub_if_data *sdata; struct sta_info *sta; int ret; - struct ieee80211_key *key; sdata = IEEE80211_DEV_TO_SUB_IF(dev); @@ -181,21 +186,18 @@ static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, ret = 0; if (sta->key) { - key = sta->key; - ieee80211_key_free(key); + ieee80211_key_free(sta->key); WARN_ON(sta->key); } else ret = -ENOENT; - sta_info_put(sta); return ret; } if (!sdata->keys[key_idx]) return -ENOENT; - key = sdata->keys[key_idx]; - ieee80211_key_free(key); + ieee80211_key_free(sdata->keys[key_idx]); WARN_ON(sdata->keys[key_idx]); return 0; @@ -278,8 +280,6 @@ static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, err = 0; out: - if (sta) - sta_info_put(sta); return err; } @@ -295,29 +295,73 @@ static int ieee80211_config_default_key(struct wiphy *wiphy, return 0; } +static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) +{ + struct ieee80211_sub_if_data *sdata = sta->sdata; + + sinfo->filled = STATION_INFO_INACTIVE_TIME | + STATION_INFO_RX_BYTES | + STATION_INFO_TX_BYTES; + + sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); + sinfo->rx_bytes = sta->rx_bytes; + sinfo->tx_bytes = sta->tx_bytes; + + if (ieee80211_vif_is_mesh(&sdata->vif)) { +#ifdef CONFIG_MAC80211_MESH + sinfo->filled |= STATION_INFO_LLID | + STATION_INFO_PLID | + STATION_INFO_PLINK_STATE; + + sinfo->llid = le16_to_cpu(sta->llid); + sinfo->plid = le16_to_cpu(sta->plid); + sinfo->plink_state = sta->plink_state; +#endif + } +} + + +static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, + int idx, u8 *mac, struct station_info *sinfo) +{ + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct sta_info *sta; + int ret = -ENOENT; + + rcu_read_lock(); + + sta = sta_info_get_by_idx(local, idx, dev); + if (sta) { + ret = 0; + memcpy(mac, sta->addr, ETH_ALEN); + sta_set_sinfo(sta, sinfo); + } + + rcu_read_unlock(); + + return ret; +} + static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, - u8 *mac, struct station_stats *stats) + u8 *mac, struct station_info *sinfo) { struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct sta_info *sta; + int ret = -ENOENT; - sta = sta_info_get(local, mac); - if (!sta) - return -ENOENT; + rcu_read_lock(); /* XXX: verify sta->dev == dev */ - stats->filled = STATION_STAT_INACTIVE_TIME | - STATION_STAT_RX_BYTES | - STATION_STAT_TX_BYTES; - - stats->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); - stats->rx_bytes = sta->rx_bytes; - stats->tx_bytes = sta->tx_bytes; + sta = sta_info_get(local, mac); + if (sta) { + ret = 0; + sta_set_sinfo(sta, sinfo); + } - sta_info_put(sta); + rcu_read_unlock(); - return 0; + return ret; } /* @@ -510,8 +554,8 @@ static void ieee80211_send_layer2_update(struct sta_info *sta) msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ - skb->dev = sta->dev; - skb->protocol = eth_type_trans(skb, sta->dev); + skb->dev = sta->sdata->dev; + skb->protocol = eth_type_trans(skb, sta->sdata->dev); memset(skb->cb, 0, sizeof(skb->cb)); netif_rx(skb); } @@ -523,6 +567,13 @@ static void sta_apply_parameters(struct ieee80211_local *local, u32 rates; int i, j; struct ieee80211_supported_band *sband; + struct ieee80211_sub_if_data *sdata = sta->sdata; + + /* + * FIXME: updating the flags is racy when this function is + * called from ieee80211_change_station(), this will + * be resolved in a future patch. + */ if (params->station_flags & STATION_FLAG_CHANGED) { sta->flags &= ~WLAN_STA_AUTHORIZED; @@ -538,6 +589,13 @@ static void sta_apply_parameters(struct ieee80211_local *local, sta->flags |= WLAN_STA_WME; } + /* + * FIXME: updating the following information is racy when this + * function is called from ieee80211_change_station(). + * However, all this information should be static so + * maybe we should just reject attemps to change it. + */ + if (params->aid) { sta->aid = params->aid; if (sta->aid > IEEE80211_MAX_AID) @@ -560,6 +618,17 @@ static void sta_apply_parameters(struct ieee80211_local *local, } sta->supp_rates[local->oper_channel->band] = rates; } + + if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) { + switch (params->plink_action) { + case PLINK_ACTION_OPEN: + mesh_plink_open(sta); + break; + case PLINK_ACTION_BLOCK: + mesh_plink_block(sta); + break; + } + } } static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, @@ -568,6 +637,7 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct sta_info *sta; struct ieee80211_sub_if_data *sdata; + int err; /* Prevent a race with changing the rate control algorithm */ if (!netif_running(dev)) @@ -582,14 +652,15 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, } else sdata = IEEE80211_DEV_TO_SUB_IF(dev); - sta = sta_info_add(local, dev, mac, GFP_KERNEL); - if (IS_ERR(sta)) - return PTR_ERR(sta); + if (compare_ether_addr(mac, dev->dev_addr) == 0) + return -EINVAL; - sta->dev = sdata->dev; - if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN || - sdata->vif.type == IEEE80211_IF_TYPE_AP) - ieee80211_send_layer2_update(sta); + if (is_multicast_ether_addr(mac)) + return -EINVAL; + + sta = sta_info_alloc(sdata, mac, GFP_KERNEL); + if (!sta) + return -ENOMEM; sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC; @@ -597,7 +668,20 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, rate_control_rate_init(sta, local); - sta_info_put(sta); + rcu_read_lock(); + + err = sta_info_insert(sta); + if (err) { + sta_info_destroy(sta); + rcu_read_unlock(); + return err; + } + + if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN || + sdata->vif.type == IEEE80211_IF_TYPE_AP) + ieee80211_send_layer2_update(sta); + + rcu_read_unlock(); return 0; } @@ -605,7 +689,8 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, u8 *mac) { - struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = sdata->local; struct sta_info *sta; if (mac) { @@ -614,10 +699,14 @@ static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, if (!sta) return -ENOENT; - sta_info_free(sta); - sta_info_put(sta); + sta_info_unlink(&sta); + + if (sta) { + synchronize_rcu(); + sta_info_destroy(sta); + } } else - sta_info_flush(local, dev); + sta_info_flush(local, sdata); return 0; } @@ -636,23 +725,190 @@ static int ieee80211_change_station(struct wiphy *wiphy, if (!sta) return -ENOENT; - if (params->vlan && params->vlan != sta->dev) { + if (params->vlan && params->vlan != sta->sdata->dev) { vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); if (vlansdata->vif.type != IEEE80211_IF_TYPE_VLAN || vlansdata->vif.type != IEEE80211_IF_TYPE_AP) return -EINVAL; - sta->dev = params->vlan; + sta->sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); ieee80211_send_layer2_update(sta); } sta_apply_parameters(local, sta, params); - sta_info_put(sta); + return 0; +} +#ifdef CONFIG_MAC80211_MESH +static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, + u8 *dst, u8 *next_hop) +{ + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct mesh_path *mpath; + struct sta_info *sta; + int err; + + if (!netif_running(dev)) + return -ENETDOWN; + + if (sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT) + return -ENOTSUPP; + + rcu_read_lock(); + sta = sta_info_get(local, next_hop); + if (!sta) { + rcu_read_unlock(); + return -ENOENT; + } + + err = mesh_path_add(dst, dev); + if (err) { + rcu_read_unlock(); + return err; + } + + mpath = mesh_path_lookup(dst, dev); + if (!mpath) { + rcu_read_unlock(); + return -ENXIO; + } + mesh_path_fix_nexthop(mpath, sta); + + rcu_read_unlock(); + return 0; +} + +static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, + u8 *dst) +{ + if (dst) + return mesh_path_del(dst, dev); + + mesh_path_flush(dev); + return 0; +} + +static int ieee80211_change_mpath(struct wiphy *wiphy, + struct net_device *dev, + u8 *dst, u8 *next_hop) +{ + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct mesh_path *mpath; + struct sta_info *sta; + + if (!netif_running(dev)) + return -ENETDOWN; + + if (sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT) + return -ENOTSUPP; + + rcu_read_lock(); + + sta = sta_info_get(local, next_hop); + if (!sta) { + rcu_read_unlock(); + return -ENOENT; + } + + mpath = mesh_path_lookup(dst, dev); + if (!mpath) { + rcu_read_unlock(); + return -ENOENT; + } + + mesh_path_fix_nexthop(mpath, sta); + + rcu_read_unlock(); + return 0; +} + +static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, + struct mpath_info *pinfo) +{ + if (mpath->next_hop) + memcpy(next_hop, mpath->next_hop->addr, ETH_ALEN); + else + memset(next_hop, 0, ETH_ALEN); + + pinfo->filled = MPATH_INFO_FRAME_QLEN | + MPATH_INFO_DSN | + MPATH_INFO_METRIC | + MPATH_INFO_EXPTIME | + MPATH_INFO_DISCOVERY_TIMEOUT | + MPATH_INFO_DISCOVERY_RETRIES | + MPATH_INFO_FLAGS; + + pinfo->frame_qlen = mpath->frame_queue.qlen; + pinfo->dsn = mpath->dsn; + pinfo->metric = mpath->metric; + if (time_before(jiffies, mpath->exp_time)) + pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); + pinfo->discovery_timeout = + jiffies_to_msecs(mpath->discovery_timeout); + pinfo->discovery_retries = mpath->discovery_retries; + pinfo->flags = 0; + if (mpath->flags & MESH_PATH_ACTIVE) + pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; + if (mpath->flags & MESH_PATH_RESOLVING) + pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; + if (mpath->flags & MESH_PATH_DSN_VALID) + pinfo->flags |= NL80211_MPATH_FLAG_DSN_VALID; + if (mpath->flags & MESH_PATH_FIXED) + pinfo->flags |= NL80211_MPATH_FLAG_FIXED; + if (mpath->flags & MESH_PATH_RESOLVING) + pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; + + pinfo->flags = mpath->flags; +} + +static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, + u8 *dst, u8 *next_hop, struct mpath_info *pinfo) + +{ + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct mesh_path *mpath; + + if (sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT) + return -ENOTSUPP; + + rcu_read_lock(); + mpath = mesh_path_lookup(dst, dev); + if (!mpath) { + rcu_read_unlock(); + return -ENOENT; + } + memcpy(dst, mpath->dst, ETH_ALEN); + mpath_set_pinfo(mpath, next_hop, pinfo); + rcu_read_unlock(); + return 0; +} + +static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, + int idx, u8 *dst, u8 *next_hop, + struct mpath_info *pinfo) +{ + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct mesh_path *mpath; + + if (sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT) + return -ENOTSUPP; + + rcu_read_lock(); + mpath = mesh_path_lookup_by_idx(idx, dev); + if (!mpath) { + rcu_read_unlock(); + return -ENOENT; + } + memcpy(dst, mpath->dst, ETH_ALEN); + mpath_set_pinfo(mpath, next_hop, pinfo); + rcu_read_unlock(); return 0; } +#endif struct cfg80211_ops mac80211_config_ops = { .add_virtual_intf = ieee80211_add_iface, @@ -669,4 +925,12 @@ struct cfg80211_ops mac80211_config_ops = { .del_station = ieee80211_del_station, .change_station = ieee80211_change_station, .get_station = ieee80211_get_station, + .dump_station = ieee80211_dump_station, +#ifdef CONFIG_MAC80211_MESH + .add_mpath = ieee80211_add_mpath, + .del_mpath = ieee80211_del_mpath, + .change_mpath = ieee80211_change_mpath, + .get_mpath = ieee80211_get_mpath, + .dump_mpath = ieee80211_dump_mpath, +#endif }; diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c index 29f7b98ba1fb..107b0fe778d6 100644 --- a/net/mac80211/debugfs_netdev.c +++ b/net/mac80211/debugfs_netdev.c @@ -39,6 +39,29 @@ static ssize_t ieee80211_if_read( return ret; } +#ifdef CONFIG_MAC80211_MESH +static ssize_t ieee80211_if_write( + struct ieee80211_sub_if_data *sdata, + char const __user *userbuf, + size_t count, loff_t *ppos, + int (*format)(struct ieee80211_sub_if_data *, char *)) +{ + char buf[10]; + int buf_size; + + memset(buf, 0x00, sizeof(buf)); + buf_size = min(count, (sizeof(buf)-1)); + read_lock(&dev_base_lock); + if (copy_from_user(buf, userbuf, buf_size)) + goto endwrite; + if (sdata->dev->reg_state == NETREG_REGISTERED) + (*format)(sdata, buf); +endwrite: + read_unlock(&dev_base_lock); + return count; +} +#endif + #define IEEE80211_IF_FMT(name, field, format_string) \ static ssize_t ieee80211_if_fmt_##name( \ const struct ieee80211_sub_if_data *sdata, char *buf, \ @@ -46,6 +69,19 @@ static ssize_t ieee80211_if_fmt_##name( \ { \ return scnprintf(buf, buflen, format_string, sdata->field); \ } +#define IEEE80211_IF_WFMT(name, field, type) \ +static int ieee80211_if_wfmt_##name( \ + struct ieee80211_sub_if_data *sdata, char *buf) \ +{ \ + unsigned long tmp; \ + char *endp; \ + \ + tmp = simple_strtoul(buf, &endp, 0); \ + if ((endp == buf) || ((type)tmp != tmp)) \ + return -EINVAL; \ + sdata->field = tmp; \ + return 0; \ +} #define IEEE80211_IF_FMT_DEC(name, field) \ IEEE80211_IF_FMT(name, field, "%d\n") #define IEEE80211_IF_FMT_HEX(name, field) \ @@ -88,6 +124,34 @@ static const struct file_operations name##_ops = { \ IEEE80211_IF_FMT_##format(name, field) \ __IEEE80211_IF_FILE(name) +#define __IEEE80211_IF_WFILE(name) \ +static ssize_t ieee80211_if_read_##name(struct file *file, \ + char __user *userbuf, \ + size_t count, loff_t *ppos) \ +{ \ + return ieee80211_if_read(file->private_data, \ + userbuf, count, ppos, \ + ieee80211_if_fmt_##name); \ +} \ +static ssize_t ieee80211_if_write_##name(struct file *file, \ + const char __user *userbuf, \ + size_t count, loff_t *ppos) \ +{ \ + return ieee80211_if_write(file->private_data, \ + userbuf, count, ppos, \ + ieee80211_if_wfmt_##name); \ +} \ +static const struct file_operations name##_ops = { \ + .read = ieee80211_if_read_##name, \ + .write = ieee80211_if_write_##name, \ + .open = mac80211_open_file_generic, \ +} + +#define IEEE80211_IF_WFILE(name, field, format, type) \ + IEEE80211_IF_FMT_##format(name, field) \ + IEEE80211_IF_WFMT(name, field, type) \ + __IEEE80211_IF_WFILE(name) + /* common attributes */ IEEE80211_IF_FILE(channel_use, channel_use, DEC); IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC); @@ -106,6 +170,7 @@ IEEE80211_IF_FILE(assoc_tries, u.sta.assoc_tries, DEC); IEEE80211_IF_FILE(auth_algs, u.sta.auth_algs, HEX); IEEE80211_IF_FILE(auth_alg, u.sta.auth_alg, DEC); IEEE80211_IF_FILE(auth_transaction, u.sta.auth_transaction, DEC); +IEEE80211_IF_FILE(num_beacons_sta, u.sta.num_beacons, DEC); static ssize_t ieee80211_if_fmt_flags( const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) @@ -139,6 +204,42 @@ __IEEE80211_IF_FILE(num_buffered_multicast); /* WDS attributes */ IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC); +#ifdef CONFIG_MAC80211_MESH +/* Mesh stats attributes */ +IEEE80211_IF_FILE(fwded_frames, u.sta.mshstats.fwded_frames, DEC); +IEEE80211_IF_FILE(dropped_frames_ttl, u.sta.mshstats.dropped_frames_ttl, DEC); +IEEE80211_IF_FILE(dropped_frames_no_route, + u.sta.mshstats.dropped_frames_no_route, DEC); +IEEE80211_IF_FILE(estab_plinks, u.sta.mshstats.estab_plinks, ATOMIC); + +/* Mesh parameters */ +IEEE80211_IF_WFILE(dot11MeshMaxRetries, + u.sta.mshcfg.dot11MeshMaxRetries, DEC, u8); +IEEE80211_IF_WFILE(dot11MeshRetryTimeout, + u.sta.mshcfg.dot11MeshRetryTimeout, DEC, u16); +IEEE80211_IF_WFILE(dot11MeshConfirmTimeout, + u.sta.mshcfg.dot11MeshConfirmTimeout, DEC, u16); +IEEE80211_IF_WFILE(dot11MeshHoldingTimeout, + u.sta.mshcfg.dot11MeshHoldingTimeout, DEC, u16); +IEEE80211_IF_WFILE(dot11MeshTTL, u.sta.mshcfg.dot11MeshTTL, DEC, u8); +IEEE80211_IF_WFILE(auto_open_plinks, u.sta.mshcfg.auto_open_plinks, DEC, bool); +IEEE80211_IF_WFILE(dot11MeshMaxPeerLinks, + u.sta.mshcfg.dot11MeshMaxPeerLinks, DEC, u16); +IEEE80211_IF_WFILE(dot11MeshHWMPactivePathTimeout, + u.sta.mshcfg.dot11MeshHWMPactivePathTimeout, DEC, u32); +IEEE80211_IF_WFILE(dot11MeshHWMPpreqMinInterval, + u.sta.mshcfg.dot11MeshHWMPpreqMinInterval, DEC, u16); +IEEE80211_IF_WFILE(dot11MeshHWMPnetDiameterTraversalTime, + u.sta.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC, u16); +IEEE80211_IF_WFILE(dot11MeshHWMPmaxPREQretries, + u.sta.mshcfg.dot11MeshHWMPmaxPREQretries, DEC, u8); +IEEE80211_IF_WFILE(path_refresh_time, + u.sta.mshcfg.path_refresh_time, DEC, u32); +IEEE80211_IF_WFILE(min_discovery_timeout, + u.sta.mshcfg.min_discovery_timeout, DEC, u16); +#endif + + #define DEBUGFS_ADD(name, type)\ sdata->debugfs.type.name = debugfs_create_file(#name, 0444,\ sdata->debugfsdir, sdata, &name##_ops); @@ -161,6 +262,7 @@ static void add_sta_files(struct ieee80211_sub_if_data *sdata) DEBUGFS_ADD(auth_alg, sta); DEBUGFS_ADD(auth_transaction, sta); DEBUGFS_ADD(flags, sta); + DEBUGFS_ADD(num_beacons_sta, sta); } static void add_ap_files(struct ieee80211_sub_if_data *sdata) @@ -192,12 +294,57 @@ static void add_monitor_files(struct ieee80211_sub_if_data *sdata) { } +#ifdef CONFIG_MAC80211_MESH +#define MESHSTATS_ADD(name)\ + sdata->mesh_stats.name = debugfs_create_file(#name, 0444,\ + sdata->mesh_stats_dir, sdata, &name##_ops); + +static void add_mesh_stats(struct ieee80211_sub_if_data *sdata) +{ + sdata->mesh_stats_dir = debugfs_create_dir("mesh_stats", + sdata->debugfsdir); + MESHSTATS_ADD(fwded_frames); + MESHSTATS_ADD(dropped_frames_ttl); + MESHSTATS_ADD(dropped_frames_no_route); + MESHSTATS_ADD(estab_plinks); +} + +#define MESHPARAMS_ADD(name)\ + sdata->mesh_config.name = debugfs_create_file(#name, 0644,\ + sdata->mesh_config_dir, sdata, &name##_ops); + +static void add_mesh_config(struct ieee80211_sub_if_data *sdata) +{ + sdata->mesh_config_dir = debugfs_create_dir("mesh_config", + sdata->debugfsdir); + MESHPARAMS_ADD(dot11MeshMaxRetries); + MESHPARAMS_ADD(dot11MeshRetryTimeout); + MESHPARAMS_ADD(dot11MeshConfirmTimeout); + MESHPARAMS_ADD(dot11MeshHoldingTimeout); + MESHPARAMS_ADD(dot11MeshTTL); + MESHPARAMS_ADD(auto_open_plinks); + MESHPARAMS_ADD(dot11MeshMaxPeerLinks); + MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout); + MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval); + MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime); + MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries); + MESHPARAMS_ADD(path_refresh_time); + MESHPARAMS_ADD(min_discovery_timeout); +} +#endif + static void add_files(struct ieee80211_sub_if_data *sdata) { if (!sdata->debugfsdir) return; switch (sdata->vif.type) { + case IEEE80211_IF_TYPE_MESH_POINT: +#ifdef CONFIG_MAC80211_MESH + add_mesh_stats(sdata); + add_mesh_config(sdata); +#endif + /* fall through */ case IEEE80211_IF_TYPE_STA: case IEEE80211_IF_TYPE_IBSS: add_sta_files(sdata); @@ -243,6 +390,7 @@ static void del_sta_files(struct ieee80211_sub_if_data *sdata) DEBUGFS_DEL(auth_alg, sta); DEBUGFS_DEL(auth_transaction, sta); DEBUGFS_DEL(flags, sta); + DEBUGFS_DEL(num_beacons_sta, sta); } static void del_ap_files(struct ieee80211_sub_if_data *sdata) @@ -274,12 +422,61 @@ static void del_monitor_files(struct ieee80211_sub_if_data *sdata) { } +#ifdef CONFIG_MAC80211_MESH +#define MESHSTATS_DEL(name) \ + do { \ + debugfs_remove(sdata->mesh_stats.name); \ + sdata->mesh_stats.name = NULL; \ + } while (0) + +static void del_mesh_stats(struct ieee80211_sub_if_data *sdata) +{ + MESHSTATS_DEL(fwded_frames); + MESHSTATS_DEL(dropped_frames_ttl); + MESHSTATS_DEL(dropped_frames_no_route); + MESHSTATS_DEL(estab_plinks); + debugfs_remove(sdata->mesh_stats_dir); + sdata->mesh_stats_dir = NULL; +} + +#define MESHPARAMS_DEL(name) \ + do { \ + debugfs_remove(sdata->mesh_config.name); \ + sdata->mesh_config.name = NULL; \ + } while (0) + +static void del_mesh_config(struct ieee80211_sub_if_data *sdata) +{ + MESHPARAMS_DEL(dot11MeshMaxRetries); + MESHPARAMS_DEL(dot11MeshRetryTimeout); + MESHPARAMS_DEL(dot11MeshConfirmTimeout); + MESHPARAMS_DEL(dot11MeshHoldingTimeout); + MESHPARAMS_DEL(dot11MeshTTL); + MESHPARAMS_DEL(auto_open_plinks); + MESHPARAMS_DEL(dot11MeshMaxPeerLinks); + MESHPARAMS_DEL(dot11MeshHWMPactivePathTimeout); + MESHPARAMS_DEL(dot11MeshHWMPpreqMinInterval); + MESHPARAMS_DEL(dot11MeshHWMPnetDiameterTraversalTime); + MESHPARAMS_DEL(dot11MeshHWMPmaxPREQretries); + MESHPARAMS_DEL(path_refresh_time); + MESHPARAMS_DEL(min_discovery_timeout); + debugfs_remove(sdata->mesh_config_dir); + sdata->mesh_config_dir = NULL; +} +#endif + static void del_files(struct ieee80211_sub_if_data *sdata, int type) { if (!sdata->debugfsdir) return; switch (type) { + case IEEE80211_IF_TYPE_MESH_POINT: +#ifdef CONFIG_MAC80211_MESH + del_mesh_stats(sdata); + del_mesh_config(sdata); +#endif + /* fall through */ case IEEE80211_IF_TYPE_STA: case IEEE80211_IF_TYPE_IBSS: del_sta_files(sdata); diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c index ed7c9f3b4602..fc2c1a192ed2 100644 --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c @@ -51,7 +51,7 @@ static const struct file_operations sta_ ##name## _ops = { \ STA_OPS(name) STA_FILE(aid, aid, D); -STA_FILE(dev, dev->name, S); +STA_FILE(dev, sdata->dev->name, S); STA_FILE(rx_packets, rx_packets, LU); STA_FILE(tx_packets, tx_packets, LU); STA_FILE(rx_bytes, rx_bytes, LU); @@ -67,7 +67,7 @@ STA_FILE(last_rssi, last_rssi, D); STA_FILE(last_signal, last_signal, D); STA_FILE(last_noise, last_noise, D); STA_FILE(channel_use, channel_use, D); -STA_FILE(wep_weak_iv_count, wep_weak_iv_count, D); +STA_FILE(wep_weak_iv_count, wep_weak_iv_count, LU); static ssize_t sta_flags_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) @@ -200,7 +200,7 @@ static ssize_t sta_agg_status_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { struct sta_info *sta = file->private_data; - struct net_device *dev = sta->dev; + struct net_device *dev = sta->sdata->dev; struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct ieee80211_hw *hw = &local->hw; u8 *da = sta->addr; diff --git a/net/mac80211/debugfs_sta.h b/net/mac80211/debugfs_sta.h index 574a1cd54b96..8b608903259f 100644 --- a/net/mac80211/debugfs_sta.h +++ b/net/mac80211/debugfs_sta.h @@ -1,6 +1,8 @@ #ifndef __MAC80211_DEBUGFS_STA_H #define __MAC80211_DEBUGFS_STA_H +#include "sta_info.h" + #ifdef CONFIG_MAC80211_DEBUGFS void ieee80211_sta_debugfs_add(struct sta_info *sta); void ieee80211_sta_debugfs_remove(struct sta_info *sta); diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c index 2133c9fd27a4..484b063a3538 100644 --- a/net/mac80211/ieee80211.c +++ b/net/mac80211/ieee80211.c @@ -26,6 +26,7 @@ #include "ieee80211_i.h" #include "ieee80211_rate.h" +#include "mesh.h" #include "wep.h" #include "wme.h" #include "aes_ccm.h" @@ -138,9 +139,15 @@ static void ieee80211_master_set_multicast_list(struct net_device *dev) static int ieee80211_change_mtu(struct net_device *dev, int new_mtu) { + int meshhdrlen; + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + + meshhdrlen = (sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT) ? 5 : 0; + /* FIX: what would be proper limits for MTU? * This interface uses 802.3 frames. */ - if (new_mtu < 256 || new_mtu > IEEE80211_MAX_DATA_LEN - 24 - 6) { + if (new_mtu < 256 || + new_mtu > IEEE80211_MAX_DATA_LEN - 24 - 6 - meshhdrlen) { printk(KERN_WARNING "%s: invalid MTU %d\n", dev->name, new_mtu); return -EINVAL; @@ -176,6 +183,7 @@ static int ieee80211_open(struct net_device *dev) struct ieee80211_if_init_conf conf; int res; bool need_hw_reconfig = 0; + struct sta_info *sta; sdata = IEEE80211_DEV_TO_SUB_IF(dev); @@ -249,6 +257,20 @@ static int ieee80211_open(struct net_device *dev) case IEEE80211_IF_TYPE_WDS: if (is_zero_ether_addr(sdata->u.wds.remote_addr)) return -ENOLINK; + + /* Create STA entry for the WDS peer */ + sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr, + GFP_KERNEL); + if (!sta) + return -ENOMEM; + + sta->flags |= WLAN_STA_AUTHORIZED; + + res = sta_info_insert(sta); + if (res) { + sta_info_destroy(sta); + return res; + } break; case IEEE80211_IF_TYPE_VLAN: if (!sdata->u.vlan.ap) @@ -258,6 +280,7 @@ static int ieee80211_open(struct net_device *dev) case IEEE80211_IF_TYPE_STA: case IEEE80211_IF_TYPE_MNTR: case IEEE80211_IF_TYPE_IBSS: + case IEEE80211_IF_TYPE_MESH_POINT: /* no special treatment */ break; case IEEE80211_IF_TYPE_INVALID: @@ -359,24 +382,51 @@ static int ieee80211_open(struct net_device *dev) static int ieee80211_stop(struct net_device *dev) { - struct ieee80211_sub_if_data *sdata; - struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = sdata->local; struct ieee80211_if_init_conf conf; struct sta_info *sta; int i; - sdata = IEEE80211_DEV_TO_SUB_IF(dev); + /* + * Stop TX on this interface first. + */ + netif_stop_queue(dev); - list_for_each_entry(sta, &local->sta_list, list) { - if (sta->dev == dev) + /* + * Now delete all active aggregation sessions. + */ + rcu_read_lock(); + + list_for_each_entry_rcu(sta, &local->sta_list, list) { + if (sta->sdata == sdata) for (i = 0; i < STA_TID_NUM; i++) - ieee80211_sta_stop_rx_ba_session(sta->dev, + ieee80211_sta_stop_rx_ba_session(sdata->dev, sta->addr, i, WLAN_BACK_RECIPIENT, WLAN_REASON_QSTA_LEAVE_QBSS); } - netif_stop_queue(dev); + rcu_read_unlock(); + + /* + * Remove all stations associated with this interface. + * + * This must be done before calling ops->remove_interface() + * because otherwise we can later invoke ops->sta_notify() + * whenever the STAs are removed, and that invalidates driver + * assumptions about always getting a vif pointer that is valid + * (because if we remove a STA after ops->remove_interface() + * the driver will have removed the vif info already!) + * + * We could relax this and only unlink the stations from the + * hash table and list but keep them on a per-sdata list that + * will be inserted back again when the interface is brought + * up again, but I don't currently see a use case for that, + * except with WDS which gets a STA entry created when it is + * brought up. + */ + sta_info_flush(local, sdata); /* * Don't count this interface for promisc/allmulti while it @@ -440,6 +490,7 @@ static int ieee80211_stop(struct net_device *dev) ieee80211_configure_filter(local); netif_tx_unlock_bh(local->mdev); break; + case IEEE80211_IF_TYPE_MESH_POINT: case IEEE80211_IF_TYPE_STA: case IEEE80211_IF_TYPE_IBSS: sdata->u.sta.state = IEEE80211_DISABLED; @@ -511,9 +562,12 @@ int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid) print_mac(mac, ra), tid); #endif /* CONFIG_MAC80211_HT_DEBUG */ + rcu_read_lock(); + sta = sta_info_get(local, ra); if (!sta) { printk(KERN_DEBUG "Could not find the station\n"); + rcu_read_unlock(); return -ENOENT; } @@ -553,7 +607,7 @@ int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid) spin_unlock_bh(&local->mdev->queue_lock); goto start_ba_exit; } - sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev); + sdata = sta->sdata; /* Ok, the Addba frame hasn't been sent yet, but if the driver calls the * call back right away, it must see that the flow has begun */ @@ -590,7 +644,7 @@ int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid) sta->ampdu_mlme.dialog_token_allocator; sta->ampdu_mlme.tid_tx[tid].ssn = start_seq_num; - ieee80211_send_addba_request(sta->dev, ra, tid, + ieee80211_send_addba_request(sta->sdata->dev, ra, tid, sta->ampdu_mlme.tid_tx[tid].dialog_token, sta->ampdu_mlme.tid_tx[tid].ssn, 0x40, 5000); @@ -603,7 +657,7 @@ int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid) start_ba_exit: spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx); - sta_info_put(sta); + rcu_read_unlock(); return ret; } EXPORT_SYMBOL(ieee80211_start_tx_ba_session); @@ -626,9 +680,12 @@ int ieee80211_stop_tx_ba_session(struct ieee80211_hw *hw, print_mac(mac, ra), tid); #endif /* CONFIG_MAC80211_HT_DEBUG */ + rcu_read_lock(); sta = sta_info_get(local, ra); - if (!sta) + if (!sta) { + rcu_read_unlock(); return -ENOENT; + } /* check if the TID is in aggregation */ state = &sta->ampdu_mlme.tid_tx[tid].state; @@ -662,7 +719,7 @@ int ieee80211_stop_tx_ba_session(struct ieee80211_hw *hw, stop_BA_exit: spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx); - sta_info_put(sta); + rcu_read_unlock(); return ret; } EXPORT_SYMBOL(ieee80211_stop_tx_ba_session); @@ -680,8 +737,10 @@ void ieee80211_start_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u16 tid) return; } + rcu_read_lock(); sta = sta_info_get(local, ra); if (!sta) { + rcu_read_unlock(); printk(KERN_DEBUG "Could not find station: %s\n", print_mac(mac, ra)); return; @@ -694,7 +753,7 @@ void ieee80211_start_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u16 tid) printk(KERN_DEBUG "addBA was not requested yet, state is %d\n", *state); spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx); - sta_info_put(sta); + rcu_read_unlock(); return; } @@ -707,7 +766,7 @@ void ieee80211_start_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u16 tid) ieee80211_wake_queue(hw, sta->tid_to_tx_q[tid]); } spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx); - sta_info_put(sta); + rcu_read_unlock(); } EXPORT_SYMBOL(ieee80211_start_tx_ba_cb); @@ -728,10 +787,12 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u8 tid) printk(KERN_DEBUG "Stop a BA session requested on DA %s tid %d\n", print_mac(mac, ra), tid); + rcu_read_lock(); sta = sta_info_get(local, ra); if (!sta) { printk(KERN_DEBUG "Could not find station: %s\n", print_mac(mac, ra)); + rcu_read_unlock(); return; } state = &sta->ampdu_mlme.tid_tx[tid].state; @@ -739,13 +800,13 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u8 tid) spin_lock_bh(&sta->ampdu_mlme.ampdu_tx); if ((*state & HT_AGG_STATE_REQ_STOP_BA_MSK) == 0) { printk(KERN_DEBUG "unexpected callback to A-MPDU stop\n"); - sta_info_put(sta); spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx); + rcu_read_unlock(); return; } if (*state & HT_AGG_STATE_INITIATOR_MSK) - ieee80211_send_delba(sta->dev, ra, tid, + ieee80211_send_delba(sta->sdata->dev, ra, tid, WLAN_BACK_INITIATOR, WLAN_REASON_QSTA_NOT_USE); agg_queue = sta->tid_to_tx_q[tid]; @@ -766,7 +827,7 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u8 tid) sta->ampdu_mlme.tid_tx[tid].addba_req_num = 0; spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx); - sta_info_put(sta); + rcu_read_unlock(); } EXPORT_SYMBOL(ieee80211_stop_tx_ba_cb); @@ -867,44 +928,6 @@ void ieee80211_if_setup(struct net_device *dev) dev->destructor = ieee80211_if_free; } -/* WDS specialties */ - -int ieee80211_if_update_wds(struct net_device *dev, u8 *remote_addr) -{ - struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - struct sta_info *sta; - DECLARE_MAC_BUF(mac); - - if (compare_ether_addr(remote_addr, sdata->u.wds.remote_addr) == 0) - return 0; - - /* Create STA entry for the new peer */ - sta = sta_info_add(local, dev, remote_addr, GFP_KERNEL); - if (IS_ERR(sta)) - return PTR_ERR(sta); - - sta->flags |= WLAN_STA_AUTHORIZED; - - sta_info_put(sta); - - /* Remove STA entry for the old peer */ - sta = sta_info_get(local, sdata->u.wds.remote_addr); - if (sta) { - sta_info_free(sta); - sta_info_put(sta); - } else { - printk(KERN_DEBUG "%s: could not find STA entry for WDS link " - "peer %s\n", - dev->name, print_mac(mac, sdata->u.wds.remote_addr)); - } - - /* Update WDS link data */ - memcpy(&sdata->u.wds.remote_addr, remote_addr, ETH_ALEN); - - return 0; -} - /* everything else */ static int __ieee80211_if_config(struct net_device *dev, @@ -925,6 +948,9 @@ static int __ieee80211_if_config(struct net_device *dev, conf.bssid = sdata->u.sta.bssid; conf.ssid = sdata->u.sta.ssid; conf.ssid_len = sdata->u.sta.ssid_len; + } else if (ieee80211_vif_is_mesh(&sdata->vif)) { + conf.beacon = beacon; + ieee80211_start_mesh(dev); } else if (sdata->vif.type == IEEE80211_IF_TYPE_AP) { conf.ssid = sdata->u.ap.ssid; conf.ssid_len = sdata->u.ap.ssid_len; @@ -937,6 +963,11 @@ static int __ieee80211_if_config(struct net_device *dev, int ieee80211_if_config(struct net_device *dev) { + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + if (sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT && + (local->hw.flags & IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE)) + return ieee80211_if_config_beacon(dev); return __ieee80211_if_config(dev, NULL, NULL); } @@ -1311,6 +1342,8 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb, return; } + rcu_read_lock(); + if (status->excessive_retries) { struct sta_info *sta; sta = sta_info_get(local, hdr->addr1); @@ -1324,10 +1357,9 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb, status->flags |= IEEE80211_TX_STATUS_TX_FILTERED; ieee80211_handle_filtered_frame(local, sta, skb, status); - sta_info_put(sta); + rcu_read_unlock(); return; } - sta_info_put(sta); } } @@ -1337,12 +1369,14 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb, if (sta) { ieee80211_handle_filtered_frame(local, sta, skb, status); - sta_info_put(sta); + rcu_read_unlock(); return; } } else rate_control_tx_status(local->mdev, skb, status); + rcu_read_unlock(); + ieee80211_led_tx(local, 0); /* SNMP counters @@ -1662,7 +1696,7 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) /* add one default STA interface */ result = ieee80211_if_add(local->mdev, "wlan%d", NULL, - IEEE80211_IF_TYPE_STA); + IEEE80211_IF_TYPE_STA, NULL); if (result) printk(KERN_WARNING "%s: Failed to add default virtual iface\n", wiphy_name(local->hw.wiphy)); @@ -1801,6 +1835,9 @@ static void __exit ieee80211_exit(void) rc80211_simple_exit(); rc80211_pid_exit(); + if (mesh_allocated) + ieee80211s_stop(); + ieee80211_wme_unregister(); ieee80211_debugfs_netdev_exit(); } diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index b07b3cbfd039..7f10ff5d4a0b 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -90,6 +90,11 @@ struct ieee80211_sta_bss { size_t wmm_ie_len; u8 *ht_ie; size_t ht_ie_len; +#ifdef CONFIG_MAC80211_MESH + u8 *mesh_id; + size_t mesh_id_len; + u8 *mesh_cfg; +#endif #define IEEE80211_MAX_SUPP_RATES 32 u8 supp_rates[IEEE80211_MAX_SUPP_RATES]; size_t supp_rates_len; @@ -107,32 +112,81 @@ struct ieee80211_sta_bss { u8 erp_value; }; +static inline u8 *bss_mesh_cfg(struct ieee80211_sta_bss *bss) +{ +#ifdef CONFIG_MAC80211_MESH + return bss->mesh_cfg; +#endif + return NULL; +} + +static inline u8 *bss_mesh_id(struct ieee80211_sta_bss *bss) +{ +#ifdef CONFIG_MAC80211_MESH + return bss->mesh_id; +#endif + return NULL; +} + +static inline u8 bss_mesh_id_len(struct ieee80211_sta_bss *bss) +{ +#ifdef CONFIG_MAC80211_MESH + return bss->mesh_id_len; +#endif + return 0; +} + typedef unsigned __bitwise__ ieee80211_tx_result; #define TX_CONTINUE ((__force ieee80211_tx_result) 0u) #define TX_DROP ((__force ieee80211_tx_result) 1u) #define TX_QUEUED ((__force ieee80211_tx_result) 2u) +#define IEEE80211_TX_FRAGMENTED BIT(0) +#define IEEE80211_TX_UNICAST BIT(1) +#define IEEE80211_TX_PS_BUFFERED BIT(2) +#define IEEE80211_TX_PROBE_LAST_FRAG BIT(3) +#define IEEE80211_TX_INJECTED BIT(4) + +struct ieee80211_tx_data { + struct sk_buff *skb; + struct net_device *dev; + struct ieee80211_local *local; + struct ieee80211_sub_if_data *sdata; + struct sta_info *sta; + u16 fc, ethertype; + struct ieee80211_key *key; + unsigned int flags; + + struct ieee80211_tx_control *control; + struct ieee80211_channel *channel; + struct ieee80211_rate *rate; + /* use this rate (if set) for last fragment; rate can + * be set to lower rate for the first fragments, e.g., + * when using CTS protection with IEEE 802.11g. */ + struct ieee80211_rate *last_frag_rate; + + /* Extra fragments (in addition to the first fragment + * in skb) */ + int num_extra_frag; + struct sk_buff **extra_frag; +}; + + typedef unsigned __bitwise__ ieee80211_rx_result; #define RX_CONTINUE ((__force ieee80211_rx_result) 0u) #define RX_DROP_UNUSABLE ((__force ieee80211_rx_result) 1u) #define RX_DROP_MONITOR ((__force ieee80211_rx_result) 2u) #define RX_QUEUED ((__force ieee80211_rx_result) 3u) - -/* flags used in struct ieee80211_txrx_data.flags */ -/* whether the MSDU was fragmented */ -#define IEEE80211_TXRXD_FRAGMENTED BIT(0) -#define IEEE80211_TXRXD_TXUNICAST BIT(1) -#define IEEE80211_TXRXD_TXPS_BUFFERED BIT(2) -#define IEEE80211_TXRXD_TXPROBE_LAST_FRAG BIT(3) -#define IEEE80211_TXRXD_RXIN_SCAN BIT(4) +#define IEEE80211_RX_IN_SCAN BIT(0) /* frame is destined to interface currently processed (incl. multicast frames) */ -#define IEEE80211_TXRXD_RXRA_MATCH BIT(5) -#define IEEE80211_TXRXD_TX_INJECTED BIT(6) -#define IEEE80211_TXRXD_RX_AMSDU BIT(7) -#define IEEE80211_TXRXD_RX_CMNTR_REPORTED BIT(8) -struct ieee80211_txrx_data { +#define IEEE80211_RX_RA_MATCH BIT(1) +#define IEEE80211_RX_AMSDU BIT(2) +#define IEEE80211_RX_CMNTR_REPORTED BIT(3) +#define IEEE80211_RX_FRAGMENTED BIT(4) + +struct ieee80211_rx_data { struct sk_buff *skb; struct net_device *dev; struct ieee80211_local *local; @@ -141,31 +195,14 @@ struct ieee80211_txrx_data { u16 fc, ethertype; struct ieee80211_key *key; unsigned int flags; - union { - struct { - struct ieee80211_tx_control *control; - struct ieee80211_channel *channel; - struct ieee80211_rate *rate; - /* use this rate (if set) for last fragment; rate can - * be set to lower rate for the first fragments, e.g., - * when using CTS protection with IEEE 802.11g. */ - struct ieee80211_rate *last_frag_rate; - - /* Extra fragments (in addition to the first fragment - * in skb) */ - int num_extra_frag; - struct sk_buff **extra_frag; - } tx; - struct { - struct ieee80211_rx_status *status; - struct ieee80211_rate *rate; - int sent_ps_buffered; - int queue; - int load; - u32 tkip_iv32; - u16 tkip_iv16; - } rx; - } u; + + struct ieee80211_rx_status *status; + struct ieee80211_rate *rate; + int sent_ps_buffered; + int queue; + int load; + u32 tkip_iv32; + u16 tkip_iv16; }; /* flags used in struct ieee80211_tx_packet_data.flags */ @@ -227,6 +264,41 @@ struct ieee80211_if_vlan { struct list_head list; }; +struct mesh_stats { + __u32 fwded_frames; /* Mesh forwarded frames */ + __u32 dropped_frames_ttl; /* Not transmitted since mesh_ttl == 0*/ + __u32 dropped_frames_no_route; /* Not transmitted, no route found */ + atomic_t estab_plinks; +}; + +#define PREQ_Q_F_START 0x1 +#define PREQ_Q_F_REFRESH 0x2 +struct mesh_preq_queue { + struct list_head list; + u8 dst[ETH_ALEN]; + u8 flags; +}; + +struct mesh_config { + /* Timeouts in ms */ + /* Mesh plink management parameters */ + u16 dot11MeshRetryTimeout; + u16 dot11MeshConfirmTimeout; + u16 dot11MeshHoldingTimeout; + u16 dot11MeshMaxPeerLinks; + u8 dot11MeshMaxRetries; + u8 dot11MeshTTL; + bool auto_open_plinks; + /* HWMP parameters */ + u32 dot11MeshHWMPactivePathTimeout; + u16 dot11MeshHWMPpreqMinInterval; + u16 dot11MeshHWMPnetDiameterTraversalTime; + u8 dot11MeshHWMPmaxPREQretries; + u32 path_refresh_time; + u16 min_discovery_timeout; +}; + + /* flags used in struct ieee80211_if_sta.flags */ #define IEEE80211_STA_SSID_SET BIT(0) #define IEEE80211_STA_BSSID_SET BIT(1) @@ -245,7 +317,8 @@ struct ieee80211_if_sta { enum { IEEE80211_DISABLED, IEEE80211_AUTHENTICATE, IEEE80211_ASSOCIATE, IEEE80211_ASSOCIATED, - IEEE80211_IBSS_SEARCH, IEEE80211_IBSS_JOINED + IEEE80211_IBSS_SEARCH, IEEE80211_IBSS_JOINED, + IEEE80211_MESH_UP } state; struct timer_list timer; struct work_struct work; @@ -254,6 +327,34 @@ struct ieee80211_if_sta { size_t ssid_len; u8 scan_ssid[IEEE80211_MAX_SSID_LEN]; size_t scan_ssid_len; +#ifdef CONFIG_MAC80211_MESH + struct timer_list mesh_path_timer; + u8 mesh_id[IEEE80211_MAX_MESH_ID_LEN]; + bool accepting_plinks; + size_t mesh_id_len; + /* Active Path Selection Protocol Identifier */ + u8 mesh_pp_id[4]; + /* Active Path Selection Metric Identifier */ + u8 mesh_pm_id[4]; + /* Congestion Control Mode Identifier */ + u8 mesh_cc_id[4]; + /* Local mesh Destination Sequence Number */ + u32 dsn; + /* Last used PREQ ID */ + u32 preq_id; + atomic_t mpaths; + /* Timestamp of last DSN update */ + unsigned long last_dsn_update; + /* Timestamp of last DSN sent */ + unsigned long last_preq; + struct mesh_rmc *rmc; + spinlock_t mesh_preq_queue_lock; + struct mesh_preq_queue preq_queue; + int preq_queue_len; + struct mesh_stats mshstats; + struct mesh_config mshcfg; + u8 mesh_seqnum[3]; +#endif u16 aid; u16 ap_capab, capab; u8 *extra_ie; /* to be added to the end of AssocReq */ @@ -286,8 +387,25 @@ struct ieee80211_if_sta { u32 supp_rates_bits[IEEE80211_NUM_BANDS]; int wmm_last_param_set; + int num_beacons; /* number of TXed beacon frames by this STA */ }; +static inline void ieee80211_if_sta_set_mesh_id(struct ieee80211_if_sta *ifsta, + u8 mesh_id_len, u8 *mesh_id) +{ +#ifdef CONFIG_MAC80211_MESH + ifsta->mesh_id_len = mesh_id_len; + memcpy(ifsta->mesh_id, mesh_id, mesh_id_len); +#endif +} + +#ifdef CONFIG_MAC80211_MESH +#define IEEE80211_IFSTA_MESH_CTR_INC(sta, name) \ + do { (sta)->mshstats.name++; } while (0) +#else +#define IEEE80211_IFSTA_MESH_CTR_INC(sta, name) \ + do { } while (0) +#endif /* flags used in struct ieee80211_sub_if_data.flags */ #define IEEE80211_SDATA_ALLMULTI BIT(0) @@ -365,6 +483,7 @@ struct ieee80211_sub_if_data { struct dentry *auth_alg; struct dentry *auth_transaction; struct dentry *flags; + struct dentry *num_beacons_sta; } sta; struct { struct dentry *channel_use; @@ -390,6 +509,35 @@ struct ieee80211_sub_if_data { } monitor; struct dentry *default_key; } debugfs; + +#ifdef CONFIG_MAC80211_MESH + struct dentry *mesh_stats_dir; + struct { + struct dentry *fwded_frames; + struct dentry *dropped_frames_ttl; + struct dentry *dropped_frames_no_route; + struct dentry *estab_plinks; + struct timer_list mesh_path_timer; + } mesh_stats; + + struct dentry *mesh_config_dir; + struct { + struct dentry *dot11MeshRetryTimeout; + struct dentry *dot11MeshConfirmTimeout; + struct dentry *dot11MeshHoldingTimeout; + struct dentry *dot11MeshMaxRetries; + struct dentry *dot11MeshTTL; + struct dentry *auto_open_plinks; + struct dentry *dot11MeshMaxPeerLinks; + struct dentry *dot11MeshHWMPactivePathTimeout; + struct dentry *dot11MeshHWMPpreqMinInterval; + struct dentry *dot11MeshHWMPnetDiameterTraversalTime; + struct dentry *dot11MeshHWMPmaxPREQretries; + struct dentry *path_refresh_time; + struct dentry *min_discovery_timeout; + } mesh_config; +#endif + #endif /* must be last, dynamically sized area in this! */ struct ieee80211_vif vif; @@ -426,6 +574,7 @@ struct ieee80211_local { unsigned int filter_flags; /* FIF_* */ struct iw_statistics wstats; u8 wstats_flags; + bool tim_in_locked_section; /* see ieee80211_beacon_get() */ int tx_headroom; /* required headroom for hardware/radiotap */ enum { @@ -443,9 +592,15 @@ struct ieee80211_local { struct sk_buff_head skb_queue; struct sk_buff_head skb_queue_unreliable; - /* Station data structures */ - rwlock_t sta_lock; /* protects STA data structures */ - int num_sta; /* number of stations in sta_list */ + /* Station data */ + /* + * The lock only protects the list, hash, timer and counter + * against manipulation, reads are done in RCU. Additionally, + * the lock protects each BSS's TIM bitmap and a few items + * in a STA info structure. + */ + spinlock_t sta_lock; + unsigned long num_sta; struct list_head sta_list; struct sta_info *sta_hash[STA_HASH_SIZE]; struct timer_list sta_cleanup; @@ -617,6 +772,57 @@ struct ieee80211_ra_tid { u16 tid; }; +/* Parsed Information Elements */ +struct ieee802_11_elems { + /* pointers to IEs */ + u8 *ssid; + u8 *supp_rates; + u8 *fh_params; + u8 *ds_params; + u8 *cf_params; + u8 *tim; + u8 *ibss_params; + u8 *challenge; + u8 *wpa; + u8 *rsn; + u8 *erp_info; + u8 *ext_supp_rates; + u8 *wmm_info; + u8 *wmm_param; + u8 *ht_cap_elem; + u8 *ht_info_elem; + u8 *mesh_config; + u8 *mesh_id; + u8 *peer_link; + u8 *preq; + u8 *prep; + u8 *perr; + + /* length of them, respectively */ + u8 ssid_len; + u8 supp_rates_len; + u8 fh_params_len; + u8 ds_params_len; + u8 cf_params_len; + u8 tim_len; + u8 ibss_params_len; + u8 challenge_len; + u8 wpa_len; + u8 rsn_len; + u8 erp_info_len; + u8 ext_supp_rates_len; + u8 wmm_info_len; + u8 wmm_param_len; + u8 ht_cap_elem_len; + u8 ht_info_elem_len; + u8 mesh_config_len; + u8 mesh_id_len; + u8 peer_link_len; + u8 preq_len; + u8 prep_len; + u8 perr_len; +}; + static inline struct ieee80211_local *hw_to_local( struct ieee80211_hw *hw) { @@ -651,8 +857,7 @@ static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr) int ieee80211_hw_config(struct ieee80211_local *local); int ieee80211_if_config(struct net_device *dev); int ieee80211_if_config_beacon(struct net_device *dev); -void ieee80211_tx_set_iswep(struct ieee80211_txrx_data *tx); -int ieee80211_if_update_wds(struct net_device *dev, u8 *remote_addr); +void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx); void ieee80211_if_setup(struct net_device *dev); int ieee80211_hw_config_ht(struct ieee80211_local *local, int enable_ht, struct ieee80211_ht_info *req_ht_cap, @@ -686,6 +891,7 @@ int ieee80211_set_compression(struct ieee80211_local *local, struct net_device *dev, struct sta_info *sta); int ieee80211_set_freq(struct ieee80211_local *local, int freq); /* ieee80211_sta.c */ +#define IEEE80211_FC(type, stype) cpu_to_le16(type | stype) void ieee80211_sta_timer(unsigned long data); void ieee80211_sta_work(struct work_struct *work); void ieee80211_sta_scan_work(struct work_struct *work); @@ -726,9 +932,25 @@ void ieee80211_sta_stop_rx_ba_session(struct net_device *dev, u8 *da, u16 tid, u16 initiator, u16 reason); void sta_rx_agg_session_timer_expired(unsigned long data); void sta_addba_resp_timer_expired(unsigned long data); +u64 ieee80211_sta_get_rates(struct ieee80211_local *local, + struct ieee802_11_elems *elems, + enum ieee80211_band band); +void ieee80211_sta_tx(struct net_device *dev, struct sk_buff *skb, + int encrypt); +void ieee802_11_parse_elems(u8 *start, size_t len, + struct ieee802_11_elems *elems); + +#ifdef CONFIG_MAC80211_MESH +void ieee80211_start_mesh(struct net_device *dev); +#else +static inline void ieee80211_start_mesh(struct net_device *dev) +{} +#endif + /* ieee80211_iface.c */ int ieee80211_if_add(struct net_device *dev, const char *name, - struct net_device **new_dev, int type); + struct net_device **new_dev, int type, + struct vif_params *params); void ieee80211_if_set_type(struct net_device *dev, int type); void ieee80211_if_reinit(struct net_device *dev); void __ieee80211_if_del(struct ieee80211_local *local, diff --git a/net/mac80211/ieee80211_iface.c b/net/mac80211/ieee80211_iface.c index 677705046c6d..80954a512185 100644 --- a/net/mac80211/ieee80211_iface.c +++ b/net/mac80211/ieee80211_iface.c @@ -15,6 +15,7 @@ #include "ieee80211_i.h" #include "sta_info.h" #include "debugfs_netdev.h" +#include "mesh.h" void ieee80211_if_sdata_init(struct ieee80211_sub_if_data *sdata) { @@ -39,7 +40,8 @@ static void ieee80211_if_sdata_deinit(struct ieee80211_sub_if_data *sdata) /* Must be called with rtnl lock held. */ int ieee80211_if_add(struct net_device *dev, const char *name, - struct net_device **new_dev, int type) + struct net_device **new_dev, int type, + struct vif_params *params) { struct net_device *ndev; struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); @@ -78,6 +80,12 @@ int ieee80211_if_add(struct net_device *dev, const char *name, ieee80211_debugfs_add_netdev(sdata); ieee80211_if_set_type(ndev, type); + if (ieee80211_vif_is_mesh(&sdata->vif) && + params && params->mesh_id_len) + ieee80211_if_sta_set_mesh_id(&sdata->u.sta, + params->mesh_id_len, + params->mesh_id); + /* we're under RTNL so all this is fine */ if (unlikely(local->reg_state == IEEE80211_DEV_UNREGISTERED)) { __ieee80211_if_del(local, sdata); @@ -134,6 +142,7 @@ void ieee80211_if_set_type(struct net_device *dev, int type) sdata->bss = &sdata->u.ap; INIT_LIST_HEAD(&sdata->u.ap.vlans); break; + case IEEE80211_IF_TYPE_MESH_POINT: case IEEE80211_IF_TYPE_STA: case IEEE80211_IF_TYPE_IBSS: { struct ieee80211_sub_if_data *msdata; @@ -155,6 +164,9 @@ void ieee80211_if_set_type(struct net_device *dev, int type) msdata = IEEE80211_DEV_TO_SUB_IF(sdata->local->mdev); sdata->bss = &msdata->u.ap; + + if (ieee80211_vif_is_mesh(&sdata->vif)) + ieee80211_mesh_init_sdata(sdata); break; } case IEEE80211_IF_TYPE_MNTR: @@ -175,8 +187,8 @@ void ieee80211_if_reinit(struct net_device *dev) { struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - struct sta_info *sta; struct sk_buff *skb; + int flushed; ASSERT_RTNL(); @@ -184,6 +196,10 @@ void ieee80211_if_reinit(struct net_device *dev) ieee80211_if_sdata_deinit(sdata); + /* Need to handle mesh specially to allow eliding the function call */ + if (ieee80211_vif_is_mesh(&sdata->vif)) + mesh_rmc_free(dev); + switch (sdata->vif.type) { case IEEE80211_IF_TYPE_INVALID: /* cannot happen */ @@ -224,17 +240,9 @@ void ieee80211_if_reinit(struct net_device *dev) break; } case IEEE80211_IF_TYPE_WDS: - sta = sta_info_get(local, sdata->u.wds.remote_addr); - if (sta) { - sta_info_free(sta); - sta_info_put(sta); - } else { -#ifdef CONFIG_MAC80211_VERBOSE_DEBUG - printk(KERN_DEBUG "%s: Someone had deleted my STA " - "entry for the WDS link\n", dev->name); -#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */ - } + /* nothing to do */ break; + case IEEE80211_IF_TYPE_MESH_POINT: case IEEE80211_IF_TYPE_STA: case IEEE80211_IF_TYPE_IBSS: kfree(sdata->u.sta.extra_ie); @@ -257,8 +265,8 @@ void ieee80211_if_reinit(struct net_device *dev) break; } - /* remove all STAs that are bound to this virtual interface */ - sta_info_flush(local, dev); + flushed = sta_info_flush(local, sdata); + WARN_ON(flushed); memset(&sdata->u, 0, sizeof(sdata->u)); ieee80211_if_sdata_init(sdata); diff --git a/net/mac80211/ieee80211_ioctl.c b/net/mac80211/ieee80211_ioctl.c index 7551db3f3abc..1d91575a0fe9 100644 --- a/net/mac80211/ieee80211_ioctl.c +++ b/net/mac80211/ieee80211_ioctl.c @@ -33,8 +33,7 @@ static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr, size_t key_len) { struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - int ret; - struct sta_info *sta = NULL; + struct sta_info *sta; struct ieee80211_key *key; struct ieee80211_sub_if_data *sdata; @@ -51,24 +50,23 @@ static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr, key = sdata->keys[idx]; } else { sta = sta_info_get(local, sta_addr); - if (!sta) { - ret = -ENOENT; - key = NULL; - goto err_out; - } - + if (!sta) + return -ENOENT; key = sta->key; } if (!key) - ret = -ENOENT; - else - ret = 0; + return -ENOENT; + + ieee80211_key_free(key); + return 0; } else { key = ieee80211_key_alloc(alg, idx, key_len, _key); if (!key) return -ENOMEM; + sta = NULL; + if (!is_broadcast_ether_addr(sta_addr)) { set_tx_key = 0; /* @@ -78,14 +76,14 @@ static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr, * work around this. */ if (idx != 0 && alg != ALG_WEP) { - ret = -EINVAL; - goto err_out; + ieee80211_key_free(key); + return -EINVAL; } sta = sta_info_get(local, sta_addr); if (!sta) { - ret = -ENOENT; - goto err_out; + ieee80211_key_free(key); + return -ENOENT; } } @@ -93,18 +91,9 @@ static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr, if (set_tx_key || (!sta && !sdata->default_key && key)) ieee80211_set_default_key(sdata, idx); - - /* don't free key later */ - key = NULL; - - ret = 0; } - err_out: - if (sta) - sta_info_put(sta); - ieee80211_key_free(key); - return ret; + return 0; } static int ieee80211_ioctl_siwgenie(struct net_device *dev, @@ -479,10 +468,20 @@ static int ieee80211_ioctl_siwap(struct net_device *dev, ieee80211_sta_req_auth(dev, &sdata->u.sta); return 0; } else if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) { - if (memcmp(sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data, - ETH_ALEN) == 0) - return 0; - return ieee80211_if_update_wds(dev, (u8 *) &ap_addr->sa_data); + /* + * If it is necessary to update the WDS peer address + * while the interface is running, then we need to do + * more work here, namely if it is running we need to + * add a new and remove the old STA entry, this is + * normally handled by _open() and _stop(). + */ + if (netif_running(dev)) + return -EBUSY; + + memcpy(&sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data, + ETH_ALEN); + + return 0; } return -EOPNOTSUPP; @@ -525,6 +524,7 @@ static int ieee80211_ioctl_siwscan(struct net_device *dev, if (sdata->vif.type != IEEE80211_IF_TYPE_STA && sdata->vif.type != IEEE80211_IF_TYPE_IBSS && + sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT && sdata->vif.type != IEEE80211_IF_TYPE_AP) return -EOPNOTSUPP; @@ -624,7 +624,7 @@ static int ieee80211_ioctl_giwrate(struct net_device *dev, else rate->value = 0; rate->value *= 100000; - sta_info_put(sta); + return 0; } @@ -999,7 +999,6 @@ static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev wstats->qual.qual = sta->last_signal; wstats->qual.noise = sta->last_noise; wstats->qual.updated = local->wstats_flags; - sta_info_put(sta); } return wstats; } diff --git a/net/mac80211/ieee80211_rate.c b/net/mac80211/ieee80211_rate.c index ebe29b716b27..4de06f128d90 100644 --- a/net/mac80211/ieee80211_rate.c +++ b/net/mac80211/ieee80211_rate.c @@ -170,9 +170,12 @@ void rate_control_get_rate(struct net_device *dev, struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct rate_control_ref *ref = local->rate_ctrl; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - struct sta_info *sta = sta_info_get(local, hdr->addr1); + struct sta_info *sta; int i; + rcu_read_lock(); + sta = sta_info_get(local, hdr->addr1); + memset(sel, 0, sizeof(struct rate_selection)); ref->ops->get_rate(ref->priv, dev, sband, skb, sel); @@ -190,8 +193,7 @@ void rate_control_get_rate(struct net_device *dev, } } - if (sta) - sta_info_put(sta); + rcu_read_unlock(); } struct rate_control_ref *rate_control_get(struct rate_control_ref *ref) diff --git a/net/mac80211/ieee80211_rate.h b/net/mac80211/ieee80211_rate.h index 5f9a2ca49a57..bfd0a1982e4a 100644 --- a/net/mac80211/ieee80211_rate.h +++ b/net/mac80211/ieee80211_rate.h @@ -14,6 +14,7 @@ #include <linux/netdevice.h> #include <linux/skbuff.h> #include <linux/types.h> +#include <linux/kref.h> #include <net/mac80211.h> #include "ieee80211_i.h" #include "sta_info.h" diff --git a/net/mac80211/ieee80211_sta.c b/net/mac80211/ieee80211_sta.c index ddb5832f37cb..8b991ebcbb4e 100644 --- a/net/mac80211/ieee80211_sta.c +++ b/net/mac80211/ieee80211_sta.c @@ -24,6 +24,7 @@ #include <linux/wireless.h> #include <linux/random.h> #include <linux/etherdevice.h> +#include <linux/rtnetlink.h> #include <net/iw_handler.h> #include <asm/types.h> @@ -31,12 +32,14 @@ #include "ieee80211_i.h" #include "ieee80211_rate.h" #include "ieee80211_led.h" +#include "mesh.h" #define IEEE80211_AUTH_TIMEOUT (HZ / 5) #define IEEE80211_AUTH_MAX_TRIES 3 #define IEEE80211_ASSOC_TIMEOUT (HZ / 5) #define IEEE80211_ASSOC_MAX_TRIES 3 #define IEEE80211_MONITORING_INTERVAL (2 * HZ) +#define IEEE80211_MESH_HOUSEKEEPING_INTERVAL (60 * HZ) #define IEEE80211_PROBE_INTERVAL (60 * HZ) #define IEEE80211_RETRY_AUTH_INTERVAL (1 * HZ) #define IEEE80211_SCAN_INTERVAL (2 * HZ) @@ -49,6 +52,7 @@ #define IEEE80211_SCAN_RESULT_EXPIRE (10 * HZ) #define IEEE80211_IBSS_MERGE_INTERVAL (30 * HZ) #define IEEE80211_IBSS_INACTIVITY_LIMIT (60 * HZ) +#define IEEE80211_MESH_PEER_INACTIVITY_LIMIT (1800 * HZ) #define IEEE80211_IBSS_MAX_STA_ENTRIES 128 @@ -87,46 +91,8 @@ static int ieee80211_sta_config_auth(struct net_device *dev, struct ieee80211_if_sta *ifsta); -/* Parsed Information Elements */ -struct ieee802_11_elems { - /* pointers to IEs */ - u8 *ssid; - u8 *supp_rates; - u8 *fh_params; - u8 *ds_params; - u8 *cf_params; - u8 *tim; - u8 *ibss_params; - u8 *challenge; - u8 *wpa; - u8 *rsn; - u8 *erp_info; - u8 *ext_supp_rates; - u8 *wmm_info; - u8 *wmm_param; - u8 *ht_cap_elem; - u8 *ht_info_elem; - /* length of them, respectively */ - u8 ssid_len; - u8 supp_rates_len; - u8 fh_params_len; - u8 ds_params_len; - u8 cf_params_len; - u8 tim_len; - u8 ibss_params_len; - u8 challenge_len; - u8 wpa_len; - u8 rsn_len; - u8 erp_info_len; - u8 ext_supp_rates_len; - u8 wmm_info_len; - u8 wmm_param_len; - u8 ht_cap_elem_len; - u8 ht_info_elem_len; -}; - -static void ieee802_11_parse_elems(u8 *start, size_t len, - struct ieee802_11_elems *elems) +void ieee802_11_parse_elems(u8 *start, size_t len, + struct ieee802_11_elems *elems) { size_t left = len; u8 *pos = start; @@ -215,6 +181,30 @@ static void ieee802_11_parse_elems(u8 *start, size_t len, elems->ht_info_elem = pos; elems->ht_info_elem_len = elen; break; + case WLAN_EID_MESH_ID: + elems->mesh_id = pos; + elems->mesh_id_len = elen; + break; + case WLAN_EID_MESH_CONFIG: + elems->mesh_config = pos; + elems->mesh_config_len = elen; + break; + case WLAN_EID_PEER_LINK: + elems->peer_link = pos; + elems->peer_link_len = elen; + break; + case WLAN_EID_PREQ: + elems->preq = pos; + elems->preq_len = elen; + break; + case WLAN_EID_PREP: + elems->prep = pos; + elems->prep_len = elen; + break; + case WLAN_EID_PERR: + elems->perr = pos; + elems->perr_len = elen; + break; default: break; } @@ -501,8 +491,8 @@ static void ieee80211_set_disassoc(struct net_device *dev, ieee80211_set_associated(dev, ifsta, 0); } -static void ieee80211_sta_tx(struct net_device *dev, struct sk_buff *skb, - int encrypt) +void ieee80211_sta_tx(struct net_device *dev, struct sk_buff *skb, + int encrypt) { struct ieee80211_sub_if_data *sdata; struct ieee80211_tx_packet_data *pkt_data; @@ -856,6 +846,8 @@ static void ieee80211_associated(struct net_device *dev, ifsta->state = IEEE80211_ASSOCIATED; + rcu_read_lock(); + sta = sta_info_get(local, ifsta->bssid); if (!sta) { printk(KERN_DEBUG "%s: No STA entry for own AP %s\n", @@ -871,7 +863,7 @@ static void ieee80211_associated(struct net_device *dev, "range\n", dev->name, print_mac(mac, ifsta->bssid)); disassoc = 1; - sta_info_free(sta); + sta_info_unlink(&sta); } else ieee80211_send_probe_req(dev, ifsta->bssid, local->scan_ssid, @@ -887,8 +879,17 @@ static void ieee80211_associated(struct net_device *dev, ifsta->ssid_len); } } - sta_info_put(sta); } + + rcu_read_unlock(); + + if (disassoc && sta) { + synchronize_rcu(); + rtnl_lock(); + sta_info_destroy(sta); + rtnl_unlock(); + } + if (disassoc) { ifsta->state = IEEE80211_DISABLED; ieee80211_set_associated(dev, ifsta, 0); @@ -1114,9 +1115,13 @@ static void ieee80211_sta_process_addba_request(struct net_device *dev, int ret = -EOPNOTSUPP; DECLARE_MAC_BUF(mac); + rcu_read_lock(); + sta = sta_info_get(local, mgmt->sa); - if (!sta) + if (!sta) { + rcu_read_unlock(); return; + } /* extract session parameters from addba request frame */ dialog_token = mgmt->u.action.u.addba_req.dialog_token; @@ -1208,9 +1213,9 @@ end: spin_unlock_bh(&sta->ampdu_mlme.ampdu_rx); end_no_lock: - ieee80211_send_addba_resp(sta->dev, sta->addr, tid, dialog_token, - status, 1, buf_size, timeout); - sta_info_put(sta); + ieee80211_send_addba_resp(sta->sdata->dev, sta->addr, tid, + dialog_token, status, 1, buf_size, timeout); + rcu_read_unlock(); } static void ieee80211_sta_process_addba_resp(struct net_device *dev, @@ -1224,9 +1229,13 @@ static void ieee80211_sta_process_addba_resp(struct net_device *dev, u16 tid; u8 *state; + rcu_read_lock(); + sta = sta_info_get(local, mgmt->sa); - if (!sta) + if (!sta) { + rcu_read_unlock(); return; + } capab = le16_to_cpu(mgmt->u.action.u.addba_resp.capab); tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2; @@ -1241,7 +1250,7 @@ static void ieee80211_sta_process_addba_resp(struct net_device *dev, #ifdef CONFIG_MAC80211_HT_DEBUG printk(KERN_DEBUG "wrong addBA response token, tid %d\n", tid); #endif /* CONFIG_MAC80211_HT_DEBUG */ - sta_info_put(sta); + rcu_read_unlock(); return; } @@ -1255,7 +1264,7 @@ static void ieee80211_sta_process_addba_resp(struct net_device *dev, spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx); printk(KERN_DEBUG "state not HT_ADDBA_REQUESTED_MSK:" "%d\n", *state); - sta_info_put(sta); + rcu_read_unlock(); return; } @@ -1282,7 +1291,7 @@ static void ieee80211_sta_process_addba_resp(struct net_device *dev, ieee80211_stop_tx_ba_session(hw, sta->addr, tid, WLAN_BACK_INITIATOR); } - sta_info_put(sta); + rcu_read_unlock(); } void ieee80211_send_delba(struct net_device *dev, const u8 *da, u16 tid, @@ -1337,16 +1346,20 @@ void ieee80211_sta_stop_rx_ba_session(struct net_device *dev, u8 *ra, u16 tid, struct sta_info *sta; int ret, i; + rcu_read_lock(); + sta = sta_info_get(local, ra); - if (!sta) + if (!sta) { + rcu_read_unlock(); return; + } /* check if TID is in operational state */ spin_lock_bh(&sta->ampdu_mlme.ampdu_rx); if (sta->ampdu_mlme.tid_rx[tid].state != HT_AGG_STATE_OPERATIONAL) { spin_unlock_bh(&sta->ampdu_mlme.ampdu_rx); - sta_info_put(sta); + rcu_read_unlock(); return; } sta->ampdu_mlme.tid_rx[tid].state = @@ -1385,7 +1398,7 @@ void ieee80211_sta_stop_rx_ba_session(struct net_device *dev, u8 *ra, u16 tid, kfree(sta->ampdu_mlme.tid_rx[tid].reorder_buf); sta->ampdu_mlme.tid_rx[tid].state = HT_AGG_STATE_IDLE; - sta_info_put(sta); + rcu_read_unlock(); } @@ -1398,9 +1411,13 @@ static void ieee80211_sta_process_delba(struct net_device *dev, u16 initiator; DECLARE_MAC_BUF(mac); + rcu_read_lock(); + sta = sta_info_get(local, mgmt->sa); - if (!sta) + if (!sta) { + rcu_read_unlock(); return; + } params = le16_to_cpu(mgmt->u.action.u.delba.params); tid = (params & IEEE80211_DELBA_PARAM_TID_MASK) >> 12; @@ -1425,7 +1442,7 @@ static void ieee80211_sta_process_delba(struct net_device *dev, ieee80211_stop_tx_ba_session(&local->hw, sta->addr, tid, WLAN_BACK_RECIPIENT); } - sta_info_put(sta); + rcu_read_unlock(); } /* @@ -1437,7 +1454,7 @@ void sta_addba_resp_timer_expired(unsigned long data) { /* not an elegant detour, but there is no choice as the timer passes * only one argument, and both sta_info and TID are needed, so init - * flow in sta_info_add gives the TID as data, while the timer_to_id + * flow in sta_info_create gives the TID as data, while the timer_to_id * array gives the sta through container_of */ u16 tid = *(int *)data; struct sta_info *temp_sta = container_of((void *)data, @@ -1448,9 +1465,13 @@ void sta_addba_resp_timer_expired(unsigned long data) struct sta_info *sta; u8 *state; + rcu_read_lock(); + sta = sta_info_get(local, temp_sta->addr); - if (!sta) + if (!sta) { + rcu_read_unlock(); return; + } state = &sta->ampdu_mlme.tid_tx[tid].state; /* check if the TID waits for addBA response */ @@ -1472,7 +1493,7 @@ void sta_addba_resp_timer_expired(unsigned long data) WLAN_BACK_INITIATOR); timer_expired_exit: - sta_info_put(sta); + rcu_read_unlock(); } /* @@ -1484,7 +1505,7 @@ void sta_rx_agg_session_timer_expired(unsigned long data) { /* not an elegant detour, but there is no choice as the timer passes * only one argument, and verious sta_info are needed here, so init - * flow in sta_info_add gives the TID as data, while the timer_to_id + * flow in sta_info_create gives the TID as data, while the timer_to_id * array gives the sta through container_of */ u8 *ptid = (u8 *)data; u8 *timer_to_id = ptid - *ptid; @@ -1492,8 +1513,8 @@ void sta_rx_agg_session_timer_expired(unsigned long data) timer_to_tid[0]); printk(KERN_DEBUG "rx session timer expired on tid %d\n", (u16)*ptid); - ieee80211_sta_stop_rx_ba_session(sta->dev, sta->addr, (u16)*ptid, - WLAN_BACK_TIMER, + ieee80211_sta_stop_rx_ba_session(sta->sdata->dev, sta->addr, + (u16)*ptid, WLAN_BACK_TIMER, WLAN_REASON_QSTA_TIMEOUT); } @@ -1802,14 +1823,19 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata, if (ifsta->assocresp_ies) memcpy(ifsta->assocresp_ies, pos, ifsta->assocresp_ies_len); + rcu_read_lock(); + /* Add STA entry for the AP */ sta = sta_info_get(local, ifsta->bssid); if (!sta) { struct ieee80211_sta_bss *bss; - sta = sta_info_add(local, dev, ifsta->bssid, GFP_KERNEL); - if (IS_ERR(sta)) { - printk(KERN_DEBUG "%s: failed to add STA entry for the" - " AP (error %ld)\n", dev->name, PTR_ERR(sta)); + int err; + + sta = sta_info_alloc(sdata, ifsta->bssid, GFP_ATOMIC); + if (!sta) { + printk(KERN_DEBUG "%s: failed to alloc STA entry for" + " the AP\n", dev->name); + rcu_read_unlock(); return; } bss = ieee80211_rx_bss_get(dev, ifsta->bssid, @@ -1821,9 +1847,27 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata, sta->last_noise = bss->noise; ieee80211_rx_bss_put(dev, bss); } + + err = sta_info_insert(sta); + if (err) { + printk(KERN_DEBUG "%s: failed to insert STA entry for" + " the AP (error %d)\n", dev->name, err); + sta_info_destroy(sta); + rcu_read_unlock(); + return; + } } - sta->dev = dev; + /* + * FIXME: Do we really need to update the sta_info's information here? + * We already know about the AP (we found it in our list) so it + * should already be filled with the right info, no? + * As is stands, all this is racy because typically we assume + * the information that is filled in here (except flags) doesn't + * change while a STA structure is alive. As such, it should move + * to between the sta_info_alloc() and sta_info_insert() above. + */ + sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC | WLAN_STA_ASSOC_AP | WLAN_STA_AUTHORIZED; @@ -1886,16 +1930,16 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata, if (elems.wmm_param && (ifsta->flags & IEEE80211_STA_WMM_ENABLED)) { sta->flags |= WLAN_STA_WME; + rcu_read_unlock(); ieee80211_sta_wmm_params(dev, ifsta, elems.wmm_param, elems.wmm_param_len); - } + } else + rcu_read_unlock(); /* set AID, ieee80211_set_associated() will tell the driver */ bss_conf->aid = aid; ieee80211_set_associated(dev, ifsta, 1); - sta_info_put(sta); - ieee80211_associated(dev, ifsta); } @@ -1905,8 +1949,16 @@ static void __ieee80211_rx_bss_hash_add(struct net_device *dev, struct ieee80211_sta_bss *bss) { struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - bss->hnext = local->sta_bss_hash[STA_HASH(bss->bssid)]; - local->sta_bss_hash[STA_HASH(bss->bssid)] = bss; + u8 hash_idx; + + if (bss_mesh_cfg(bss)) + hash_idx = mesh_id_hash(bss_mesh_id(bss), + bss_mesh_id_len(bss)); + else + hash_idx = STA_HASH(bss->bssid); + + bss->hnext = local->sta_bss_hash[hash_idx]; + local->sta_bss_hash[hash_idx] = bss; } @@ -1959,7 +2011,6 @@ ieee80211_rx_bss_add(struct net_device *dev, u8 *bssid, int freq, return bss; } - static struct ieee80211_sta_bss * ieee80211_rx_bss_get(struct net_device *dev, u8 *bssid, int freq, u8 *ssid, u8 ssid_len) @@ -1970,7 +2021,8 @@ ieee80211_rx_bss_get(struct net_device *dev, u8 *bssid, int freq, spin_lock_bh(&local->sta_bss_lock); bss = local->sta_bss_hash[STA_HASH(bssid)]; while (bss) { - if (!memcmp(bss->bssid, bssid, ETH_ALEN) && + if (!bss_mesh_cfg(bss) && + !memcmp(bss->bssid, bssid, ETH_ALEN) && bss->freq == freq && bss->ssid_len == ssid_len && (ssid_len == 0 || !memcmp(bss->ssid, ssid, ssid_len))) { @@ -1983,6 +2035,72 @@ ieee80211_rx_bss_get(struct net_device *dev, u8 *bssid, int freq, return bss; } +#ifdef CONFIG_MAC80211_MESH +static struct ieee80211_sta_bss * +ieee80211_rx_mesh_bss_get(struct net_device *dev, u8 *mesh_id, int mesh_id_len, + u8 *mesh_cfg, int freq) +{ + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct ieee80211_sta_bss *bss; + + spin_lock_bh(&local->sta_bss_lock); + bss = local->sta_bss_hash[mesh_id_hash(mesh_id, mesh_id_len)]; + while (bss) { + if (bss_mesh_cfg(bss) && + !memcmp(bss_mesh_cfg(bss), mesh_cfg, MESH_CFG_CMP_LEN) && + bss->freq == freq && + mesh_id_len == bss->mesh_id_len && + (mesh_id_len == 0 || !memcmp(bss->mesh_id, mesh_id, + mesh_id_len))) { + atomic_inc(&bss->users); + break; + } + bss = bss->hnext; + } + spin_unlock_bh(&local->sta_bss_lock); + return bss; +} + +static struct ieee80211_sta_bss * +ieee80211_rx_mesh_bss_add(struct net_device *dev, u8 *mesh_id, int mesh_id_len, + u8 *mesh_cfg, int freq) +{ + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct ieee80211_sta_bss *bss; + + bss = kzalloc(sizeof(*bss), GFP_ATOMIC); + if (!bss) + return NULL; + + bss->mesh_cfg = kmalloc(MESH_CFG_CMP_LEN, GFP_ATOMIC); + if (!bss->mesh_cfg) { + kfree(bss); + return NULL; + } + + if (mesh_id_len && mesh_id_len <= IEEE80211_MAX_MESH_ID_LEN) { + bss->mesh_id = kmalloc(mesh_id_len, GFP_ATOMIC); + if (!bss->mesh_id) { + kfree(bss->mesh_cfg); + kfree(bss); + return NULL; + } + memcpy(bss->mesh_id, mesh_id, mesh_id_len); + } + + atomic_inc(&bss->users); + atomic_inc(&bss->users); + memcpy(bss->mesh_cfg, mesh_cfg, MESH_CFG_CMP_LEN); + bss->mesh_id_len = mesh_id_len; + bss->freq = freq; + spin_lock_bh(&local->sta_bss_lock); + /* TODO: order by RSSI? */ + list_add_tail(&bss->list, &local->sta_bss_list); + __ieee80211_rx_bss_hash_add(dev, bss); + spin_unlock_bh(&local->sta_bss_lock); + return bss; +} +#endif static void ieee80211_rx_bss_free(struct ieee80211_sta_bss *bss) { @@ -1990,6 +2108,8 @@ static void ieee80211_rx_bss_free(struct ieee80211_sta_bss *bss) kfree(bss->rsn_ie); kfree(bss->wmm_ie); kfree(bss->ht_ie); + kfree(bss_mesh_id(bss)); + kfree(bss_mesh_cfg(bss)); kfree(bss); } @@ -2185,6 +2305,42 @@ static int ieee80211_sta_join_ibss(struct net_device *dev, return res; } +u64 ieee80211_sta_get_rates(struct ieee80211_local *local, + struct ieee802_11_elems *elems, + enum ieee80211_band band) +{ + struct ieee80211_supported_band *sband; + struct ieee80211_rate *bitrates; + size_t num_rates; + u64 supp_rates; + int i, j; + sband = local->hw.wiphy->bands[band]; + + if (!sband) { + WARN_ON(1); + sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; + } + + bitrates = sband->bitrates; + num_rates = sband->n_bitrates; + supp_rates = 0; + for (i = 0; i < elems->supp_rates_len + + elems->ext_supp_rates_len; i++) { + u8 rate = 0; + int own_rate; + if (i < elems->supp_rates_len) + rate = elems->supp_rates[i]; + else if (elems->ext_supp_rates) + rate = elems->ext_supp_rates + [i - elems->supp_rates_len]; + own_rate = 5 * (rate & 0x7f); + for (j = 0; j < num_rates; j++) + if (bitrates[j].bitrate == own_rate) + supp_rates |= BIT(j); + } + return supp_rates; +} + static void ieee80211_rx_bss_info(struct net_device *dev, struct ieee80211_mgmt *mgmt, @@ -2219,41 +2375,23 @@ static void ieee80211_rx_bss_info(struct net_device *dev, beacon_timestamp = le64_to_cpu(mgmt->u.beacon.timestamp); ieee802_11_parse_elems(mgmt->u.beacon.variable, len - baselen, &elems); - if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS && elems.supp_rates && - memcmp(mgmt->bssid, sdata->u.sta.bssid, ETH_ALEN) == 0 && - (sta = sta_info_get(local, mgmt->sa))) { - struct ieee80211_supported_band *sband; - struct ieee80211_rate *bitrates; - size_t num_rates; - u64 supp_rates, prev_rates; - int i, j; + if (ieee80211_vif_is_mesh(&sdata->vif) && elems.mesh_id && + elems.mesh_config && mesh_matches_local(&elems, dev)) { + u64 rates = ieee80211_sta_get_rates(local, &elems, + rx_status->band); - sband = local->hw.wiphy->bands[rx_status->band]; + mesh_neighbour_update(mgmt->sa, rates, dev, + mesh_peer_accepts_plinks(&elems, dev)); + } - if (!sband) { - WARN_ON(1); - sband = local->hw.wiphy->bands[ - local->hw.conf.channel->band]; - } + rcu_read_lock(); - bitrates = sband->bitrates; - num_rates = sband->n_bitrates; - - supp_rates = 0; - for (i = 0; i < elems.supp_rates_len + - elems.ext_supp_rates_len; i++) { - u8 rate = 0; - int own_rate; - if (i < elems.supp_rates_len) - rate = elems.supp_rates[i]; - else if (elems.ext_supp_rates) - rate = elems.ext_supp_rates - [i - elems.supp_rates_len]; - own_rate = 5 * (rate & 0x7f); - for (j = 0; j < num_rates; j++) - if (bitrates[j].bitrate == own_rate) - supp_rates |= BIT(j); - } + if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS && elems.supp_rates && + memcmp(mgmt->bssid, sdata->u.sta.bssid, ETH_ALEN) == 0 && + (sta = sta_info_get(local, mgmt->sa))) { + u64 prev_rates; + u64 supp_rates = ieee80211_sta_get_rates(local, &elems, + rx_status->band); prev_rates = sta->supp_rates[rx_status->band]; sta->supp_rates[rx_status->band] &= supp_rates; @@ -2273,22 +2411,32 @@ static void ieee80211_rx_bss_info(struct net_device *dev, (unsigned long long) supp_rates, (unsigned long long) sta->supp_rates[rx_status->band]); } - sta_info_put(sta); } - if (!elems.ssid) - return; + rcu_read_unlock(); if (elems.ds_params && elems.ds_params_len == 1) freq = ieee80211_channel_to_frequency(elems.ds_params[0]); else freq = rx_status->freq; - bss = ieee80211_rx_bss_get(dev, mgmt->bssid, freq, - elems.ssid, elems.ssid_len); - if (!bss) { - bss = ieee80211_rx_bss_add(dev, mgmt->bssid, freq, +#ifdef CONFIG_MAC80211_MESH + if (elems.mesh_config) + bss = ieee80211_rx_mesh_bss_get(dev, elems.mesh_id, + elems.mesh_id_len, elems.mesh_config, freq); + else +#endif + bss = ieee80211_rx_bss_get(dev, mgmt->bssid, freq, elems.ssid, elems.ssid_len); + if (!bss) { +#ifdef CONFIG_MAC80211_MESH + if (elems.mesh_config) + bss = ieee80211_rx_mesh_bss_add(dev, elems.mesh_id, + elems.mesh_id_len, elems.mesh_config, freq); + else +#endif + bss = ieee80211_rx_bss_add(dev, mgmt->bssid, freq, + elems.ssid, elems.ssid_len); if (!bss) return; } else { @@ -2615,8 +2763,11 @@ static void ieee80211_rx_mgmt_probe_req(struct net_device *dev, static void ieee80211_rx_mgmt_action(struct net_device *dev, struct ieee80211_if_sta *ifsta, struct ieee80211_mgmt *mgmt, - size_t len) + size_t len, + struct ieee80211_rx_status *rx_status) { + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + if (len < IEEE80211_MIN_ACTION_SIZE) return; @@ -2648,7 +2799,18 @@ static void ieee80211_rx_mgmt_action(struct net_device *dev, break; } break; + case PLINK_CATEGORY: + if (ieee80211_vif_is_mesh(&sdata->vif)) + mesh_rx_plink_frame(dev, mgmt, len, rx_status); + break; + case MESH_PATH_SEL_CATEGORY: + if (ieee80211_vif_is_mesh(&sdata->vif)) + mesh_rx_path_sel_frame(dev, mgmt, len); + break; default: + if (net_ratelimit()) + printk(KERN_DEBUG "%s: Rx unknown action frame - " + "category=%d\n", dev->name, mgmt->u.action.category); break; } } @@ -2675,13 +2837,13 @@ void ieee80211_sta_rx_mgmt(struct net_device *dev, struct sk_buff *skb, case IEEE80211_STYPE_PROBE_REQ: case IEEE80211_STYPE_PROBE_RESP: case IEEE80211_STYPE_BEACON: + case IEEE80211_STYPE_ACTION: memcpy(skb->cb, rx_status, sizeof(*rx_status)); case IEEE80211_STYPE_AUTH: case IEEE80211_STYPE_ASSOC_RESP: case IEEE80211_STYPE_REASSOC_RESP: case IEEE80211_STYPE_DEAUTH: case IEEE80211_STYPE_DISASSOC: - case IEEE80211_STYPE_ACTION: skb_queue_tail(&ifsta->skb_queue, skb); queue_work(local->hw.workqueue, &ifsta->work); return; @@ -2740,7 +2902,7 @@ static void ieee80211_sta_rx_queued_mgmt(struct net_device *dev, ieee80211_rx_mgmt_disassoc(dev, ifsta, mgmt, skb->len); break; case IEEE80211_STYPE_ACTION: - ieee80211_rx_mgmt_action(dev, ifsta, mgmt, skb->len); + ieee80211_rx_mgmt_action(dev, ifsta, mgmt, skb->len, rx_status); break; } @@ -2789,45 +2951,50 @@ static int ieee80211_sta_active_ibss(struct net_device *dev) struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); int active = 0; struct sta_info *sta; + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + + rcu_read_lock(); - read_lock_bh(&local->sta_lock); - list_for_each_entry(sta, &local->sta_list, list) { - if (sta->dev == dev && + list_for_each_entry_rcu(sta, &local->sta_list, list) { + if (sta->sdata == sdata && time_after(sta->last_rx + IEEE80211_IBSS_MERGE_INTERVAL, jiffies)) { active++; break; } } - read_unlock_bh(&local->sta_lock); + + rcu_read_unlock(); return active; } -static void ieee80211_sta_expire(struct net_device *dev) +static void ieee80211_sta_expire(struct net_device *dev, unsigned long exp_time) { struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct sta_info *sta, *tmp; LIST_HEAD(tmp_list); DECLARE_MAC_BUF(mac); + unsigned long flags; - write_lock_bh(&local->sta_lock); + spin_lock_irqsave(&local->sta_lock, flags); list_for_each_entry_safe(sta, tmp, &local->sta_list, list) - if (time_after(jiffies, sta->last_rx + - IEEE80211_IBSS_INACTIVITY_LIMIT)) { + if (time_after(jiffies, sta->last_rx + exp_time)) { printk(KERN_DEBUG "%s: expiring inactive STA %s\n", dev->name, print_mac(mac, sta->addr)); - __sta_info_get(sta); - sta_info_remove(sta); - list_add(&sta->list, &tmp_list); + sta_info_unlink(&sta); + if (sta) + list_add(&sta->list, &tmp_list); } - write_unlock_bh(&local->sta_lock); + spin_unlock_irqrestore(&local->sta_lock, flags); - list_for_each_entry_safe(sta, tmp, &tmp_list, list) { - sta_info_free(sta); - sta_info_put(sta); - } + synchronize_rcu(); + + rtnl_lock(); + list_for_each_entry_safe(sta, tmp, &tmp_list, list) + sta_info_destroy(sta); + rtnl_unlock(); } @@ -2836,7 +3003,7 @@ static void ieee80211_sta_merge_ibss(struct net_device *dev, { mod_timer(&ifsta->timer, jiffies + IEEE80211_IBSS_MERGE_INTERVAL); - ieee80211_sta_expire(dev); + ieee80211_sta_expire(dev, IEEE80211_IBSS_INACTIVITY_LIMIT); if (ieee80211_sta_active_ibss(dev)) return; @@ -2846,6 +3013,36 @@ static void ieee80211_sta_merge_ibss(struct net_device *dev, } +#ifdef CONFIG_MAC80211_MESH +static void ieee80211_mesh_housekeeping(struct net_device *dev, + struct ieee80211_if_sta *ifsta) +{ + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + bool free_plinks; + + ieee80211_sta_expire(dev, IEEE80211_MESH_PEER_INACTIVITY_LIMIT); + mesh_path_expire(dev); + + free_plinks = mesh_plink_availables(sdata); + if (free_plinks != sdata->u.sta.accepting_plinks) + ieee80211_if_config_beacon(dev); + + mod_timer(&ifsta->timer, jiffies + + IEEE80211_MESH_HOUSEKEEPING_INTERVAL); +} + + +void ieee80211_start_mesh(struct net_device *dev) +{ + struct ieee80211_if_sta *ifsta; + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + ifsta = &sdata->u.sta; + ifsta->state = IEEE80211_MESH_UP; + ieee80211_sta_timer((unsigned long)sdata); +} +#endif + + void ieee80211_sta_timer(unsigned long data) { struct ieee80211_sub_if_data *sdata = @@ -2857,7 +3054,6 @@ void ieee80211_sta_timer(unsigned long data) queue_work(local->hw.workqueue, &ifsta->work); } - void ieee80211_sta_work(struct work_struct *work) { struct ieee80211_sub_if_data *sdata = @@ -2874,7 +3070,8 @@ void ieee80211_sta_work(struct work_struct *work) return; if (sdata->vif.type != IEEE80211_IF_TYPE_STA && - sdata->vif.type != IEEE80211_IF_TYPE_IBSS) { + sdata->vif.type != IEEE80211_IF_TYPE_IBSS && + sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT) { printk(KERN_DEBUG "%s: ieee80211_sta_work: non-STA interface " "(type=%d)\n", dev->name, sdata->vif.type); return; @@ -2884,6 +3081,13 @@ void ieee80211_sta_work(struct work_struct *work) while ((skb = skb_dequeue(&ifsta->skb_queue))) ieee80211_sta_rx_queued_mgmt(dev, skb); +#ifdef CONFIG_MAC80211_MESH + if (ifsta->preq_queue_len && + time_after(jiffies, + ifsta->last_preq + msecs_to_jiffies(ifsta->mshcfg.dot11MeshHWMPpreqMinInterval))) + mesh_path_start_discovery(dev); +#endif + if (ifsta->state != IEEE80211_AUTHENTICATE && ifsta->state != IEEE80211_ASSOCIATE && test_and_clear_bit(IEEE80211_STA_REQ_SCAN, &ifsta->request)) { @@ -2919,6 +3123,11 @@ void ieee80211_sta_work(struct work_struct *work) case IEEE80211_IBSS_JOINED: ieee80211_sta_merge_ibss(dev, ifsta); break; +#ifdef CONFIG_MAC80211_MESH + case IEEE80211_MESH_UP: + ieee80211_mesh_housekeeping(dev, ifsta); + break; +#endif default: printk(KERN_DEBUG "ieee80211_sta_work: Unknown state %d\n", ifsta->state); @@ -3123,7 +3332,7 @@ static int ieee80211_sta_create_ibss(struct net_device *dev, sband = local->hw.wiphy->bands[bss->band]; if (local->hw.conf.beacon_int == 0) - local->hw.conf.beacon_int = 100; + local->hw.conf.beacon_int = 10000; bss->beacon_int = local->hw.conf.beacon_int; bss->last_update = jiffies; bss->capability = WLAN_CAPABILITY_IBSS; @@ -3367,6 +3576,13 @@ static void ieee80211_send_nullfunc(struct ieee80211_local *local, } +static void ieee80211_restart_sta_timer(struct ieee80211_sub_if_data *sdata) +{ + if (sdata->vif.type == IEEE80211_IF_TYPE_STA || + ieee80211_vif_is_mesh(&sdata->vif)) + ieee80211_sta_timer((unsigned long)sdata); +} + void ieee80211_scan_completed(struct ieee80211_hw *hw) { struct ieee80211_local *local = hw_to_local(hw); @@ -3380,6 +3596,12 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw) if (local->sta_hw_scanning) { local->sta_hw_scanning = 0; + /* Restart STA timer for HW scan case */ + rcu_read_lock(); + list_for_each_entry_rcu(sdata, &local->interfaces, list) + ieee80211_restart_sta_timer(sdata); + rcu_read_unlock(); + goto done; } @@ -3406,11 +3628,12 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw) if (sdata->dev == local->mdev) continue; - if (sdata->vif.type == IEEE80211_IF_TYPE_STA) { - if (sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED) - ieee80211_send_nullfunc(local, sdata, 0); - ieee80211_sta_timer((unsigned long)sdata); - } + /* Tell AP we're back */ + if (sdata->vif.type == IEEE80211_IF_TYPE_STA && + sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED) + ieee80211_send_nullfunc(local, sdata, 0); + + ieee80211_restart_sta_timer(sdata); netif_wake_queue(sdata->dev); } @@ -3654,15 +3877,25 @@ ieee80211_sta_scan_result(struct net_device *dev, memset(&iwe, 0, sizeof(iwe)); iwe.cmd = SIOCGIWESSID; - iwe.u.data.length = bss->ssid_len; - iwe.u.data.flags = 1; - current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, - bss->ssid); + if (bss_mesh_cfg(bss)) { + iwe.u.data.length = bss_mesh_id_len(bss); + iwe.u.data.flags = 1; + current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, + bss_mesh_id(bss)); + } else { + iwe.u.data.length = bss->ssid_len; + iwe.u.data.flags = 1; + current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, + bss->ssid); + } - if (bss->capability & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)) { + if (bss->capability & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS) + || bss_mesh_cfg(bss)) { memset(&iwe, 0, sizeof(iwe)); iwe.cmd = SIOCGIWMODE; - if (bss->capability & WLAN_CAPABILITY_ESS) + if (bss_mesh_cfg(bss)) + iwe.u.mode = IW_MODE_MESH; + else if (bss->capability & WLAN_CAPABILITY_ESS) iwe.u.mode = IW_MODE_MASTER; else iwe.u.mode = IW_MODE_ADHOC; @@ -3751,6 +3984,45 @@ ieee80211_sta_scan_result(struct net_device *dev, } } + if (bss_mesh_cfg(bss)) { + char *buf; + u8 *cfg = bss_mesh_cfg(bss); + buf = kmalloc(50, GFP_ATOMIC); + if (buf) { + memset(&iwe, 0, sizeof(iwe)); + iwe.cmd = IWEVCUSTOM; + sprintf(buf, "Mesh network (version %d)", cfg[0]); + iwe.u.data.length = strlen(buf); + current_ev = iwe_stream_add_point(current_ev, end_buf, + &iwe, buf); + sprintf(buf, "Path Selection Protocol ID: " + "0x%02X%02X%02X%02X", cfg[1], cfg[2], cfg[3], + cfg[4]); + iwe.u.data.length = strlen(buf); + current_ev = iwe_stream_add_point(current_ev, end_buf, + &iwe, buf); + sprintf(buf, "Path Selection Metric ID: " + "0x%02X%02X%02X%02X", cfg[5], cfg[6], cfg[7], + cfg[8]); + iwe.u.data.length = strlen(buf); + current_ev = iwe_stream_add_point(current_ev, end_buf, + &iwe, buf); + sprintf(buf, "Congestion Control Mode ID: " + "0x%02X%02X%02X%02X", cfg[9], cfg[10], + cfg[11], cfg[12]); + iwe.u.data.length = strlen(buf); + current_ev = iwe_stream_add_point(current_ev, end_buf, + &iwe, buf); + sprintf(buf, "Channel Precedence: " + "0x%02X%02X%02X%02X", cfg[13], cfg[14], + cfg[15], cfg[16]); + iwe.u.data.length = strlen(buf); + current_ev = iwe_stream_add_point(current_ev, end_buf, + &iwe, buf); + kfree(buf); + } + } + return current_ev; } @@ -3819,8 +4091,8 @@ struct sta_info * ieee80211_ibss_add_sta(struct net_device *dev, printk(KERN_DEBUG "%s: Adding new IBSS station %s (dev=%s)\n", wiphy_name(local->hw.wiphy), print_mac(mac, addr), dev->name); - sta = sta_info_add(local, dev, addr, GFP_ATOMIC); - if (IS_ERR(sta)) + sta = sta_info_alloc(sdata, addr, GFP_ATOMIC); + if (!sta) return NULL; sta->flags |= WLAN_STA_AUTHORIZED; @@ -3830,7 +4102,12 @@ struct sta_info * ieee80211_ibss_add_sta(struct net_device *dev, rate_control_rate_init(sta, local); - return sta; /* caller will call sta_info_put() */ + if (sta_info_insert(sta)) { + sta_info_destroy(sta); + return NULL; + } + + return sta; } diff --git a/net/mac80211/key.c b/net/mac80211/key.c index eac9c59dbc4d..f91fb4092652 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -20,8 +20,8 @@ #include "aes_ccm.h" -/* - * Key handling basics +/** + * DOC: Key handling basics * * Key handling in mac80211 is done based on per-interface (sub_if_data) * keys and per-station keys. Since each station belongs to an interface, @@ -174,6 +174,9 @@ static void __ieee80211_key_replace(struct ieee80211_sub_if_data *sdata, { int idx, defkey; + if (new) + list_add(&new->list, &sdata->key_list); + if (sta) { rcu_assign_pointer(sta->key, new); } else { @@ -190,9 +193,6 @@ static void __ieee80211_key_replace(struct ieee80211_sub_if_data *sdata, ieee80211_set_default_key(sdata, -1); rcu_assign_pointer(sdata->keys[idx], new); - if (new) - list_add(&new->list, &sdata->key_list); - if (defkey && new) ieee80211_set_default_key(sdata, new->conf.keyidx); } @@ -240,14 +240,17 @@ void ieee80211_key_link(struct ieee80211_key *key, if (sdata->vif.type == IEEE80211_IF_TYPE_STA) { struct sta_info *ap; + rcu_read_lock(); + /* same here, the AP could be using QoS */ ap = sta_info_get(key->local, key->sdata->u.sta.bssid); if (ap) { if (ap->flags & WLAN_STA_WME) key->conf.flags |= IEEE80211_KEY_FLAG_WMM_STA; - sta_info_put(ap); } + + rcu_read_unlock(); } } @@ -290,6 +293,9 @@ void ieee80211_key_free(struct ieee80211_key *key) __ieee80211_key_replace(key->sdata, key->sta, key, NULL); + /* + * Do NOT remove this without looking at sta_info_destroy() + */ synchronize_rcu(); /* diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c new file mode 100644 index 000000000000..594a3356a508 --- /dev/null +++ b/net/mac80211/mesh.c @@ -0,0 +1,449 @@ +/* + * Copyright (c) 2008 open80211s Ltd. + * Authors: Luis Carlos Cobo <luisca@cozybit.com> + * Javier Cardona <javier@cozybit.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include "ieee80211_i.h" +#include "mesh.h" + +#define PP_OFFSET 1 /* Path Selection Protocol */ +#define PM_OFFSET 5 /* Path Selection Metric */ +#define CC_OFFSET 9 /* Congestion Control Mode */ +#define CAPAB_OFFSET 17 +#define ACCEPT_PLINKS 0x80 + +int mesh_allocated; +static struct kmem_cache *rm_cache; + +void ieee80211s_init(void) +{ + mesh_pathtbl_init(); + mesh_allocated = 1; + rm_cache = kmem_cache_create("mesh_rmc", sizeof(struct rmc_entry), + 0, 0, NULL); +} + +void ieee80211s_stop(void) +{ + mesh_pathtbl_unregister(); + kmem_cache_destroy(rm_cache); +} + +/** + * mesh_matches_local - check if the config of a mesh point matches ours + * + * @ie: information elements of a management frame from the mesh peer + * @dev: local mesh interface + * + * This function checks if the mesh configuration of a mesh point matches the + * local mesh configuration, i.e. if both nodes belong to the same mesh network. + */ +bool mesh_matches_local(struct ieee802_11_elems *ie, struct net_device *dev) +{ + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_if_sta *sta = &sdata->u.sta; + + /* + * As support for each feature is added, check for matching + * - On mesh config capabilities + * - Power Save Support En + * - Sync support enabled + * - Sync support active + * - Sync support required from peer + * - MDA enabled + * - Power management control on fc + */ + if (sta->mesh_id_len == ie->mesh_id_len && + memcmp(sta->mesh_id, ie->mesh_id, ie->mesh_id_len) == 0 && + memcmp(sta->mesh_pp_id, ie->mesh_config + PP_OFFSET, 4) == 0 && + memcmp(sta->mesh_pm_id, ie->mesh_config + PM_OFFSET, 4) == 0 && + memcmp(sta->mesh_cc_id, ie->mesh_config + CC_OFFSET, 4) == 0) + return true; + + return false; +} + +/** + * mesh_peer_accepts_plinks - check if an mp is willing to establish peer links + * + * @ie: information elements of a management frame from the mesh peer + * @dev: local mesh interface + */ +bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie, + struct net_device *dev) +{ + return (*(ie->mesh_config + CAPAB_OFFSET) & ACCEPT_PLINKS) != 0; +} + +/** + * mesh_accept_plinks_update: update accepting_plink in local mesh beacons + * + * @sdata: mesh interface in which mesh beacons are going to be updated + */ +void mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata) +{ + bool free_plinks; + + /* In case mesh_plink_free_count > 0 and mesh_plinktbl_capacity == 0, + * the mesh interface might be able to establish plinks with peers that + * are already on the table but are not on PLINK_ESTAB state. However, + * in general the mesh interface is not accepting peer link requests + * from new peers, and that must be reflected in the beacon + */ + free_plinks = mesh_plink_availables(sdata); + + if (free_plinks != sdata->u.sta.accepting_plinks) + ieee80211_sta_timer((unsigned long) sdata); +} + +void mesh_ids_set_default(struct ieee80211_if_sta *sta) +{ + u8 def_id[4] = {0x00, 0x0F, 0xAC, 0xff}; + + memcpy(sta->mesh_pp_id, def_id, 4); + memcpy(sta->mesh_pm_id, def_id, 4); + memcpy(sta->mesh_cc_id, def_id, 4); +} + +int mesh_rmc_init(struct net_device *dev) +{ + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + int i; + + sdata->u.sta.rmc = kmalloc(sizeof(struct mesh_rmc), GFP_KERNEL); + if (!sdata->u.sta.rmc) + return -ENOMEM; + sdata->u.sta.rmc->idx_mask = RMC_BUCKETS - 1; + for (i = 0; i < RMC_BUCKETS; i++) + INIT_LIST_HEAD(&sdata->u.sta.rmc->bucket[i].list); + return 0; +} + +void mesh_rmc_free(struct net_device *dev) +{ + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct mesh_rmc *rmc = sdata->u.sta.rmc; + struct rmc_entry *p, *n; + int i; + + if (!sdata->u.sta.rmc) + return; + + for (i = 0; i < RMC_BUCKETS; i++) + list_for_each_entry_safe(p, n, &rmc->bucket[i].list, list) { + list_del(&p->list); + kmem_cache_free(rm_cache, p); + } + + kfree(rmc); + sdata->u.sta.rmc = NULL; +} + +/** + * mesh_rmc_check - Check frame in recent multicast cache and add if absent. + * + * @sa: source address + * @mesh_hdr: mesh_header + * + * Returns: 0 if the frame is not in the cache, nonzero otherwise. + * + * Checks using the source address and the mesh sequence number if we have + * received this frame lately. If the frame is not in the cache, it is added to + * it. + */ +int mesh_rmc_check(u8 *sa, struct ieee80211s_hdr *mesh_hdr, + struct net_device *dev) +{ + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct mesh_rmc *rmc = sdata->u.sta.rmc; + u32 seqnum = 0; + int entries = 0; + u8 idx; + struct rmc_entry *p, *n; + + /* Don't care about endianness since only match matters */ + memcpy(&seqnum, mesh_hdr->seqnum, sizeof(mesh_hdr->seqnum)); + idx = mesh_hdr->seqnum[0] & rmc->idx_mask; + list_for_each_entry_safe(p, n, &rmc->bucket[idx].list, list) { + ++entries; + if (time_after(jiffies, p->exp_time) || + (entries == RMC_QUEUE_MAX_LEN)) { + list_del(&p->list); + kmem_cache_free(rm_cache, p); + --entries; + } else if ((seqnum == p->seqnum) + && (memcmp(sa, p->sa, ETH_ALEN) == 0)) + return -1; + } + + p = kmem_cache_alloc(rm_cache, GFP_ATOMIC); + if (!p) { + printk(KERN_DEBUG "o11s: could not allocate RMC entry\n"); + return 0; + } + p->seqnum = seqnum; + p->exp_time = jiffies + RMC_TIMEOUT; + memcpy(p->sa, sa, ETH_ALEN); + list_add(&p->list, &rmc->bucket[idx].list); + return 0; +} + +void mesh_mgmt_ies_add(struct sk_buff *skb, struct net_device *dev) +{ + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_supported_band *sband; + u8 *pos; + int len, i, rate; + + sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; + len = sband->n_bitrates; + if (len > 8) + len = 8; + pos = skb_put(skb, len + 2); + *pos++ = WLAN_EID_SUPP_RATES; + *pos++ = len; + for (i = 0; i < len; i++) { + rate = sband->bitrates[i].bitrate; + *pos++ = (u8) (rate / 5); + } + + if (sband->n_bitrates > len) { + pos = skb_put(skb, sband->n_bitrates - len + 2); + *pos++ = WLAN_EID_EXT_SUPP_RATES; + *pos++ = sband->n_bitrates - len; + for (i = len; i < sband->n_bitrates; i++) { + rate = sband->bitrates[i].bitrate; + *pos++ = (u8) (rate / 5); + } + } + + pos = skb_put(skb, 2 + sdata->u.sta.mesh_id_len); + *pos++ = WLAN_EID_MESH_ID; + *pos++ = sdata->u.sta.mesh_id_len; + if (sdata->u.sta.mesh_id_len) + memcpy(pos, sdata->u.sta.mesh_id, sdata->u.sta.mesh_id_len); + + pos = skb_put(skb, 21); + *pos++ = WLAN_EID_MESH_CONFIG; + *pos++ = MESH_CFG_LEN; + /* Version */ + *pos++ = 1; + + /* Active path selection protocol ID */ + memcpy(pos, sdata->u.sta.mesh_pp_id, 4); + pos += 4; + + /* Active path selection metric ID */ + memcpy(pos, sdata->u.sta.mesh_pm_id, 4); + pos += 4; + + /* Congestion control mode identifier */ + memcpy(pos, sdata->u.sta.mesh_cc_id, 4); + pos += 4; + + /* Channel precedence: + * Not running simple channel unification protocol + */ + memset(pos, 0x00, 4); + pos += 4; + + /* Mesh capability */ + sdata->u.sta.accepting_plinks = mesh_plink_availables(sdata); + *pos++ = sdata->u.sta.accepting_plinks ? ACCEPT_PLINKS : 0x00; + *pos++ = 0x00; + + return; +} + +u32 mesh_table_hash(u8 *addr, struct net_device *dev, struct mesh_table *tbl) +{ + /* Use last four bytes of hw addr and interface index as hash index */ + return jhash_2words(*(u32 *)(addr+2), dev->ifindex, tbl->hash_rnd) + & tbl->hash_mask; +} + +u8 mesh_id_hash(u8 *mesh_id, int mesh_id_len) +{ + if (!mesh_id_len) + return 1; + else if (mesh_id_len == 1) + return (u8) mesh_id[0]; + else + return (u8) (mesh_id[0] + 2 * mesh_id[1]); +} + +struct mesh_table *mesh_table_alloc(int size_order) +{ + int i; + struct mesh_table *newtbl; + + newtbl = kmalloc(sizeof(struct mesh_table), GFP_KERNEL); + if (!newtbl) + return NULL; + + newtbl->hash_buckets = kzalloc(sizeof(struct hlist_head) * + (1 << size_order), GFP_KERNEL); + + if (!newtbl->hash_buckets) { + kfree(newtbl); + return NULL; + } + + newtbl->hashwlock = kmalloc(sizeof(spinlock_t) * + (1 << size_order), GFP_KERNEL); + if (!newtbl->hashwlock) { + kfree(newtbl->hash_buckets); + kfree(newtbl); + return NULL; + } + + newtbl->size_order = size_order; + newtbl->hash_mask = (1 << size_order) - 1; + atomic_set(&newtbl->entries, 0); + get_random_bytes(&newtbl->hash_rnd, + sizeof(newtbl->hash_rnd)); + for (i = 0; i <= newtbl->hash_mask; i++) + spin_lock_init(&newtbl->hashwlock[i]); + + return newtbl; +} + +void mesh_table_free(struct mesh_table *tbl, bool free_leafs) +{ + struct hlist_head *mesh_hash; + struct hlist_node *p, *q; + int i; + + mesh_hash = tbl->hash_buckets; + for (i = 0; i <= tbl->hash_mask; i++) { + spin_lock(&tbl->hashwlock[i]); + hlist_for_each_safe(p, q, &mesh_hash[i]) { + tbl->free_node(p, free_leafs); + atomic_dec(&tbl->entries); + } + spin_unlock(&tbl->hashwlock[i]); + } + kfree(tbl->hash_buckets); + kfree(tbl->hashwlock); + kfree(tbl); +} + +static void ieee80211_mesh_path_timer(unsigned long data) +{ + struct ieee80211_sub_if_data *sdata = + (struct ieee80211_sub_if_data *) data; + struct ieee80211_if_sta *ifsta = &sdata->u.sta; + struct ieee80211_local *local = wdev_priv(&sdata->wdev); + + queue_work(local->hw.workqueue, &ifsta->work); +} + +struct mesh_table *mesh_table_grow(struct mesh_table *tbl) +{ + struct mesh_table *newtbl; + struct hlist_head *oldhash; + struct hlist_node *p; + int err = 0; + int i; + + if (atomic_read(&tbl->entries) + < tbl->mean_chain_len * (tbl->hash_mask + 1)) { + err = -EPERM; + goto endgrow; + } + + newtbl = mesh_table_alloc(tbl->size_order + 1); + if (!newtbl) { + err = -ENOMEM; + goto endgrow; + } + + newtbl->free_node = tbl->free_node; + newtbl->mean_chain_len = tbl->mean_chain_len; + newtbl->copy_node = tbl->copy_node; + atomic_set(&newtbl->entries, atomic_read(&tbl->entries)); + + oldhash = tbl->hash_buckets; + for (i = 0; i <= tbl->hash_mask; i++) + hlist_for_each(p, &oldhash[i]) + tbl->copy_node(p, newtbl); + +endgrow: + if (err) + return NULL; + else + return newtbl; +} + +/** + * ieee80211_new_mesh_header - create a new mesh header + * @meshhdr: uninitialized mesh header + * @sdata: mesh interface to be used + * + * Return the header length. + */ +int ieee80211_new_mesh_header(struct ieee80211s_hdr *meshhdr, + struct ieee80211_sub_if_data *sdata) +{ + meshhdr->flags = 0; + meshhdr->ttl = sdata->u.sta.mshcfg.dot11MeshTTL; + + meshhdr->seqnum[0] = sdata->u.sta.mesh_seqnum[0]++; + meshhdr->seqnum[1] = sdata->u.sta.mesh_seqnum[1]; + meshhdr->seqnum[2] = sdata->u.sta.mesh_seqnum[2]; + + if (sdata->u.sta.mesh_seqnum[0] == 0) { + sdata->u.sta.mesh_seqnum[1]++; + if (sdata->u.sta.mesh_seqnum[1] == 0) + sdata->u.sta.mesh_seqnum[2]++; + } + + return 5; +} + +void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata) +{ + struct ieee80211_if_sta *ifsta = &sdata->u.sta; + + ifsta->mshcfg.dot11MeshRetryTimeout = MESH_RET_T; + ifsta->mshcfg.dot11MeshConfirmTimeout = MESH_CONF_T; + ifsta->mshcfg.dot11MeshHoldingTimeout = MESH_HOLD_T; + ifsta->mshcfg.dot11MeshMaxRetries = MESH_MAX_RETR; + ifsta->mshcfg.dot11MeshTTL = MESH_TTL; + ifsta->mshcfg.auto_open_plinks = true; + ifsta->mshcfg.dot11MeshMaxPeerLinks = + MESH_MAX_ESTAB_PLINKS; + ifsta->mshcfg.dot11MeshHWMPactivePathTimeout = + MESH_PATH_TIMEOUT; + ifsta->mshcfg.dot11MeshHWMPpreqMinInterval = + MESH_PREQ_MIN_INT; + ifsta->mshcfg.dot11MeshHWMPnetDiameterTraversalTime = + MESH_DIAM_TRAVERSAL_TIME; + ifsta->mshcfg.dot11MeshHWMPmaxPREQretries = + MESH_MAX_PREQ_RETRIES; + ifsta->mshcfg.path_refresh_time = + MESH_PATH_REFRESH_TIME; + ifsta->mshcfg.min_discovery_timeout = + MESH_MIN_DISCOVERY_TIMEOUT; + ifsta->accepting_plinks = true; + ifsta->preq_id = 0; + ifsta->dsn = 0; + atomic_set(&ifsta->mpaths, 0); + mesh_rmc_init(sdata->dev); + ifsta->last_preq = jiffies; + /* Allocate all mesh structures when creating the first mesh interface. */ + if (!mesh_allocated) + ieee80211s_init(); + mesh_ids_set_default(ifsta); + setup_timer(&ifsta->mesh_path_timer, + ieee80211_mesh_path_timer, + (unsigned long) sdata); + INIT_LIST_HEAD(&ifsta->preq_queue.list); + spin_lock_init(&ifsta->mesh_preq_queue_lock); +} diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h new file mode 100644 index 000000000000..742003d3a841 --- /dev/null +++ b/net/mac80211/mesh.h @@ -0,0 +1,290 @@ +/* + * Copyright (c) 2008 open80211s Ltd. + * Authors: Luis Carlos Cobo <luisca@cozybit.com> + * Javier Cardona <javier@cozybit.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef IEEE80211S_H +#define IEEE80211S_H + +#include <linux/types.h> +#include <linux/jhash.h> +#include "ieee80211_i.h" + + +/* Data structures */ + +/** + * enum mesh_path_flags - mac80211 mesh path flags + * + * + * + * @MESH_PATH_ACTIVE: the mesh path is can be used for forwarding + * @MESH_PATH_RESOLVED: the discovery process is running for this mesh path + * @MESH_PATH_DSN_VALID: the mesh path contains a valid destination sequence + * number + * @MESH_PATH_FIXED: the mesh path has been manually set and should not be + * modified + * @MESH_PATH_RESOLVED: the mesh path can has been resolved + * + * MESH_PATH_RESOLVED and MESH_PATH_DELETE are used by the mesh path timer to + * decide when to stop or cancel the mesh path discovery. + */ +enum mesh_path_flags { + MESH_PATH_ACTIVE = BIT(0), + MESH_PATH_RESOLVING = BIT(1), + MESH_PATH_DSN_VALID = BIT(2), + MESH_PATH_FIXED = BIT(3), + MESH_PATH_RESOLVED = BIT(4), +}; + +/** + * struct mesh_path - mac80211 mesh path structure + * + * @dst: mesh path destination mac address + * @dev: mesh path device + * @next_hop: mesh neighbor to which frames for this destination will be + * forwarded + * @timer: mesh path discovery timer + * @frame_queue: pending queue for frames sent to this destination while the + * path is unresolved + * @dsn: destination sequence number of the destination + * @metric: current metric to this destination + * @hop_count: hops to destination + * @exp_time: in jiffies, when the path will expire or when it expired + * @discovery_timeout: timeout (lapse in jiffies) used for the last discovery + * retry + * @discovery_retries: number of discovery retries + * @flags: mesh path flags, as specified on &enum mesh_path_flags + * @state_lock: mesh pat state lock + * + * + * The combination of dst and dev is unique in the mesh path table. Since the + * next_hop STA is only protected by RCU as well, deleting the STA must also + * remove/substitute the mesh_path structure and wait until that is no longer + * reachable before destroying the STA completely. + */ +struct mesh_path { + u8 dst[ETH_ALEN]; + struct net_device *dev; + struct sta_info *next_hop; + struct timer_list timer; + struct sk_buff_head frame_queue; + struct rcu_head rcu; + u32 dsn; + u32 metric; + u8 hop_count; + unsigned long exp_time; + u32 discovery_timeout; + u8 discovery_retries; + enum mesh_path_flags flags; + spinlock_t state_lock; +}; + +/** + * struct mesh_table + * + * @hash_buckets: array of hash buckets of the table + * @hashwlock: array of locks to protect write operations, one per bucket + * @hash_mask: 2^size_order - 1, used to compute hash idx + * @hash_rnd: random value used for hash computations + * @entries: number of entries in the table + * @free_node: function to free nodes of the table + * @copy_node: fuction to copy nodes of the table + * @size_order: determines size of the table, there will be 2^size_order hash + * buckets + * @mean_chain_len: maximum average length for the hash buckets' list, if it is + * reached, the table will grow + */ +struct mesh_table { + /* Number of buckets will be 2^N */ + struct hlist_head *hash_buckets; + spinlock_t *hashwlock; /* One per bucket, for add/del */ + unsigned int hash_mask; /* (2^size_order) - 1 */ + __u32 hash_rnd; /* Used for hash generation */ + atomic_t entries; /* Up to MAX_MESH_NEIGHBOURS */ + void (*free_node) (struct hlist_node *p, bool free_leafs); + void (*copy_node) (struct hlist_node *p, struct mesh_table *newtbl); + int size_order; + int mean_chain_len; +}; + +/* Recent multicast cache */ +/* RMC_BUCKETS must be a power of 2, maximum 256 */ +#define RMC_BUCKETS 256 +#define RMC_QUEUE_MAX_LEN 4 +#define RMC_TIMEOUT (3 * HZ) + +/** + * struct rmc_entry - entry in the Recent Multicast Cache + * + * @seqnum: mesh sequence number of the frame + * @exp_time: expiration time of the entry, in jiffies + * @sa: source address of the frame + * + * The Recent Multicast Cache keeps track of the latest multicast frames that + * have been received by a mesh interface and discards received multicast frames + * that are found in the cache. + */ +struct rmc_entry { + struct list_head list; + u32 seqnum; + unsigned long exp_time; + u8 sa[ETH_ALEN]; +}; + +struct mesh_rmc { + struct rmc_entry bucket[RMC_BUCKETS]; + u8 idx_mask; +}; + + +/* Mesh IEs constants */ +#define MESH_CFG_LEN 19 + +/* + * MESH_CFG_COMP_LEN Includes: + * - Active path selection protocol ID. + * - Active path selection metric ID. + * - Congestion control mode identifier. + * - Channel precedence. + * Does not include mesh capabilities, which may vary across nodes in the same + * mesh + */ +#define MESH_CFG_CMP_LEN 17 + +/* Default values, timeouts in ms */ +#define MESH_TTL 5 +#define MESH_MAX_RETR 3 +#define MESH_RET_T 100 +#define MESH_CONF_T 100 +#define MESH_HOLD_T 100 + +#define MESH_PATH_TIMEOUT 5000 +/* Minimum interval between two consecutive PREQs originated by the same + * interface + */ +#define MESH_PREQ_MIN_INT 10 +#define MESH_DIAM_TRAVERSAL_TIME 50 +/* Paths will be refreshed if they are closer than PATH_REFRESH_TIME to their + * expiration + */ +#define MESH_PATH_REFRESH_TIME 1000 +#define MESH_MIN_DISCOVERY_TIMEOUT (2 * MESH_DIAM_TRAVERSAL_TIME) + +#define MESH_MAX_PREQ_RETRIES 4 +#define MESH_PATH_EXPIRE (600 * HZ) + +/* Default maximum number of established plinks per interface */ +#define MESH_MAX_ESTAB_PLINKS 32 + +/* Default maximum number of plinks per interface */ +#define MESH_MAX_PLINKS 256 + +/* Maximum number of paths per interface */ +#define MESH_MAX_MPATHS 1024 + +/* Pending ANA approval */ +#define PLINK_CATEGORY 30 +#define MESH_PATH_SEL_CATEGORY 32 + +/* Mesh Header Flags */ +#define IEEE80211S_FLAGS_AE 0x3 + +/* Public interfaces */ +/* Various */ +u8 mesh_id_hash(u8 *mesh_id, int mesh_id_len); +int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr); +int ieee80211_new_mesh_header(struct ieee80211s_hdr *meshhdr, + struct ieee80211_sub_if_data *sdata); +int mesh_rmc_check(u8 *addr, struct ieee80211s_hdr *mesh_hdr, + struct net_device *dev); +bool mesh_matches_local(struct ieee802_11_elems *ie, struct net_device *dev); +void mesh_ids_set_default(struct ieee80211_if_sta *sta); +void mesh_mgmt_ies_add(struct sk_buff *skb, struct net_device *dev); +void mesh_rmc_free(struct net_device *dev); +int mesh_rmc_init(struct net_device *dev); +void ieee80211s_init(void); +void ieee80211s_stop(void); +void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata); + +/* Mesh paths */ +int mesh_nexthop_lookup(u8 *next_hop, struct sk_buff *skb, + struct net_device *dev); +void mesh_path_start_discovery(struct net_device *dev); +struct mesh_path *mesh_path_lookup(u8 *dst, struct net_device *dev); +struct mesh_path *mesh_path_lookup_by_idx(int idx, struct net_device *dev); +void mesh_path_fix_nexthop(struct mesh_path *mpath, struct sta_info *next_hop); +void mesh_path_expire(struct net_device *dev); +void mesh_path_flush(struct net_device *dev); +void mesh_rx_path_sel_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt, + size_t len); +int mesh_path_add(u8 *dst, struct net_device *dev); +/* Mesh plinks */ +void mesh_neighbour_update(u8 *hw_addr, u64 rates, struct net_device *dev, + bool add); +bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie, + struct net_device *dev); +void mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata); +void mesh_plink_broken(struct sta_info *sta); +void mesh_plink_deactivate(struct sta_info *sta); +int mesh_plink_open(struct sta_info *sta); +int mesh_plink_close(struct sta_info *sta); +void mesh_plink_block(struct sta_info *sta); +void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt, + size_t len, struct ieee80211_rx_status *rx_status); + +/* Private interfaces */ +/* Mesh tables */ +struct mesh_table *mesh_table_alloc(int size_order); +void mesh_table_free(struct mesh_table *tbl, bool free_leafs); +struct mesh_table *mesh_table_grow(struct mesh_table *tbl); +u32 mesh_table_hash(u8 *addr, struct net_device *dev, struct mesh_table *tbl); +/* Mesh paths */ +int mesh_path_error_tx(u8 *dest, __le32 dest_dsn, u8 *ra, + struct net_device *dev); +void mesh_path_assign_nexthop(struct mesh_path *mpath, struct sta_info *sta); +void mesh_path_flush_pending(struct mesh_path *mpath); +void mesh_path_tx_pending(struct mesh_path *mpath); +int mesh_pathtbl_init(void); +void mesh_pathtbl_unregister(void); +int mesh_path_del(u8 *addr, struct net_device *dev); +void mesh_path_timer(unsigned long data); +void mesh_path_flush_by_nexthop(struct sta_info *sta); +void mesh_path_discard_frame(struct sk_buff *skb, struct net_device *dev); + +#ifdef CONFIG_MAC80211_MESH +extern int mesh_allocated; + +static inline int mesh_plink_free_count(struct ieee80211_sub_if_data *sdata) +{ + return sdata->u.sta.mshcfg.dot11MeshMaxPeerLinks - + atomic_read(&sdata->u.sta.mshstats.estab_plinks); +} + +static inline bool mesh_plink_availables(struct ieee80211_sub_if_data *sdata) +{ + return (min_t(long, mesh_plink_free_count(sdata), + MESH_MAX_PLINKS - sdata->local->num_sta)) > 0; +} + +static inline void mesh_path_activate(struct mesh_path *mpath) +{ + mpath->flags |= MESH_PATH_ACTIVE | MESH_PATH_RESOLVED; +} + +#define for_each_mesh_entry(x, p, node, i) \ + for (i = 0; i <= x->hash_mask; i++) \ + hlist_for_each_entry_rcu(node, p, &x->hash_buckets[i], list) + +#else +#define mesh_allocated 0 +#endif + +#define MESH_PREQ(skb) (skb->cb + 30) + +#endif /* IEEE80211S_H */ diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c new file mode 100644 index 000000000000..576a6e55323e --- /dev/null +++ b/net/mac80211/mesh_hwmp.c @@ -0,0 +1,857 @@ +/* + * Copyright (c) 2008 open80211s Ltd. + * Author: Luis Carlos Cobo <luisca@cozybit.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <asm/unaligned.h> +#include "mesh.h" + +#define IEEE80211_FC(type, stype) cpu_to_le16(type | stype) + +#define TEST_FRAME_LEN 8192 +#define MAX_METRIC 0xffffffff +#define ARITH_SHIFT 8 + +/* Number of frames buffered per destination for unresolved destinations */ +#define MESH_FRAME_QUEUE_LEN 10 +#define MAX_PREQ_QUEUE_LEN 64 + +/* Destination only */ +#define MP_F_DO 0x1 +/* Reply and forward */ +#define MP_F_RF 0x2 + +static inline u32 u32_field_get(u8 *preq_elem, int offset, bool ae) +{ + if (ae) + offset += 6; + return le32_to_cpu(get_unaligned((__le32 *) (preq_elem + offset))); +} + +/* HWMP IE processing macros */ +#define AE_F (1<<6) +#define AE_F_SET(x) (*x & AE_F) +#define PREQ_IE_FLAGS(x) (*(x)) +#define PREQ_IE_HOPCOUNT(x) (*(x + 1)) +#define PREQ_IE_TTL(x) (*(x + 2)) +#define PREQ_IE_PREQ_ID(x) u32_field_get(x, 3, 0) +#define PREQ_IE_ORIG_ADDR(x) (x + 7) +#define PREQ_IE_ORIG_DSN(x) u32_field_get(x, 13, 0); +#define PREQ_IE_LIFETIME(x) u32_field_get(x, 17, AE_F_SET(x)); +#define PREQ_IE_METRIC(x) u32_field_get(x, 21, AE_F_SET(x)); +#define PREQ_IE_DST_F(x) (*(AE_F_SET(x) ? x + 32 : x + 26)) +#define PREQ_IE_DST_ADDR(x) (AE_F_SET(x) ? x + 33 : x + 27) +#define PREQ_IE_DST_DSN(x) u32_field_get(x, 33, AE_F_SET(x)); + + +#define PREP_IE_FLAGS(x) PREQ_IE_FLAGS(x) +#define PREP_IE_HOPCOUNT(x) PREQ_IE_HOPCOUNT(x) +#define PREP_IE_TTL(x) PREQ_IE_TTL(x) +#define PREP_IE_ORIG_ADDR(x) (x + 3) +#define PREP_IE_ORIG_DSN(x) u32_field_get(x, 9, 0); +#define PREP_IE_LIFETIME(x) u32_field_get(x, 13, AE_F_SET(x)); +#define PREP_IE_METRIC(x) u32_field_get(x, 17, AE_F_SET(x)); +#define PREP_IE_DST_ADDR(x) (AE_F_SET(x) ? x + 27 : x + 21) +#define PREP_IE_DST_DSN(x) u32_field_get(x, 27, AE_F_SET(x)); + +#define PERR_IE_DST_ADDR(x) (x + 2) +#define PERR_IE_DST_DSN(x) u32_field_get(x, 8, 0); + +#define TU_TO_EXP_TIME(x) (jiffies + msecs_to_jiffies(x * 1024 / 1000)) +#define MSEC_TO_TU(x) (x*1000/1024) +#define DSN_GT(x, y) ((long) (y) - (long) (x) < 0) +#define DSN_LT(x, y) ((long) (x) - (long) (y) < 0) + +#define net_traversal_jiffies(s) \ + msecs_to_jiffies(s->u.sta.mshcfg.dot11MeshHWMPnetDiameterTraversalTime) +#define default_lifetime(s) \ + MSEC_TO_TU(s->u.sta.mshcfg.dot11MeshHWMPactivePathTimeout) +#define min_preq_int_jiff(s) \ + (msecs_to_jiffies(s->u.sta.mshcfg.dot11MeshHWMPpreqMinInterval)) +#define max_preq_retries(s) (s->u.sta.mshcfg.dot11MeshHWMPmaxPREQretries) +#define disc_timeout_jiff(s) \ + msecs_to_jiffies(sdata->u.sta.mshcfg.min_discovery_timeout) + +enum mpath_frame_type { + MPATH_PREQ = 0, + MPATH_PREP, + MPATH_PERR +}; + +static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags, + u8 *orig_addr, __le32 orig_dsn, u8 dst_flags, u8 *dst, + __le32 dst_dsn, u8 *da, u8 hop_count, u8 ttl, __le32 lifetime, + __le32 metric, __le32 preq_id, struct net_device *dev) +{ + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400); + struct ieee80211_mgmt *mgmt; + u8 *pos; + int ie_len; + + if (!skb) + return -1; + skb_reserve(skb, local->hw.extra_tx_headroom); + /* 25 is the size of the common mgmt part (24) plus the size of the + * common action part (1) + */ + mgmt = (struct ieee80211_mgmt *) + skb_put(skb, 25 + sizeof(mgmt->u.action.u.mesh_action)); + memset(mgmt, 0, 25 + sizeof(mgmt->u.action.u.mesh_action)); + mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT, + IEEE80211_STYPE_ACTION); + + memcpy(mgmt->da, da, ETH_ALEN); + memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN); + /* BSSID is left zeroed, wildcard value */ + mgmt->u.action.category = MESH_PATH_SEL_CATEGORY; + mgmt->u.action.u.mesh_action.action_code = action; + + switch (action) { + case MPATH_PREQ: + ie_len = 37; + pos = skb_put(skb, 2 + ie_len); + *pos++ = WLAN_EID_PREQ; + break; + case MPATH_PREP: + ie_len = 31; + pos = skb_put(skb, 2 + ie_len); + *pos++ = WLAN_EID_PREP; + break; + default: + kfree(skb); + return -ENOTSUPP; + break; + } + *pos++ = ie_len; + *pos++ = flags; + *pos++ = hop_count; + *pos++ = ttl; + if (action == MPATH_PREQ) { + memcpy(pos, &preq_id, 4); + pos += 4; + } + memcpy(pos, orig_addr, ETH_ALEN); + pos += ETH_ALEN; + memcpy(pos, &orig_dsn, 4); + pos += 4; + memcpy(pos, &lifetime, 4); + pos += 4; + memcpy(pos, &metric, 4); + pos += 4; + if (action == MPATH_PREQ) { + /* destination count */ + *pos++ = 1; + *pos++ = dst_flags; + } + memcpy(pos, dst, ETH_ALEN); + pos += ETH_ALEN; + memcpy(pos, &dst_dsn, 4); + + ieee80211_sta_tx(dev, skb, 0); + return 0; +} + +/** + * mesh_send_path error - Sends a PERR mesh management frame + * + * @dst: broken destination + * @dst_dsn: dsn of the broken destination + * @ra: node this frame is addressed to + */ +int mesh_path_error_tx(u8 *dst, __le32 dst_dsn, u8 *ra, + struct net_device *dev) +{ + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400); + struct ieee80211_mgmt *mgmt; + u8 *pos; + int ie_len; + + if (!skb) + return -1; + skb_reserve(skb, local->hw.extra_tx_headroom); + /* 25 is the size of the common mgmt part (24) plus the size of the + * common action part (1) + */ + mgmt = (struct ieee80211_mgmt *) + skb_put(skb, 25 + sizeof(mgmt->u.action.u.mesh_action)); + memset(mgmt, 0, 25 + sizeof(mgmt->u.action.u.mesh_action)); + mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT, + IEEE80211_STYPE_ACTION); + + memcpy(mgmt->da, ra, ETH_ALEN); + memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN); + /* BSSID is left zeroed, wildcard value */ + mgmt->u.action.category = MESH_PATH_SEL_CATEGORY; + mgmt->u.action.u.mesh_action.action_code = MPATH_PERR; + ie_len = 12; + pos = skb_put(skb, 2 + ie_len); + *pos++ = WLAN_EID_PERR; + *pos++ = ie_len; + /* mode flags, reserved */ + *pos++ = 0; + /* number of destinations */ + *pos++ = 1; + memcpy(pos, dst, ETH_ALEN); + pos += ETH_ALEN; + memcpy(pos, &dst_dsn, 4); + + ieee80211_sta_tx(dev, skb, 0); + return 0; +} + +static u32 airtime_link_metric_get(struct ieee80211_local *local, + struct sta_info *sta) +{ + struct ieee80211_supported_band *sband; + /* This should be adjusted for each device */ + int device_constant = 1 << ARITH_SHIFT; + int test_frame_len = TEST_FRAME_LEN << ARITH_SHIFT; + int s_unit = 1 << ARITH_SHIFT; + int rate, err; + u32 tx_time, estimated_retx; + u64 result; + + sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; + + if (sta->fail_avg >= 100) + return MAX_METRIC; + err = (sta->fail_avg << ARITH_SHIFT) / 100; + + /* bitrate is in units of 100 Kbps, while we need rate in units of + * 1Mbps. This will be corrected on tx_time computation. + */ + rate = sband->bitrates[sta->txrate_idx].bitrate; + tx_time = (device_constant + 10 * test_frame_len / rate); + estimated_retx = ((1 << (2 * ARITH_SHIFT)) / (s_unit - err)); + result = (tx_time * estimated_retx) >> (2 * ARITH_SHIFT) ; + return (u32)result; +} + +/** + * hwmp_route_info_get - Update routing info to originator and transmitter + * + * @dev: local mesh interface + * @mgmt: mesh management frame + * @hwmp_ie: hwmp information element (PREP or PREQ) + * + * This function updates the path routing information to the originator and the + * transmitter of a HWMP PREQ or PREP fram. + * + * Returns: metric to frame originator or 0 if the frame should not be further + * processed + * + * Notes: this function is the only place (besides user-provided info) where + * path routing information is updated. + */ +static u32 hwmp_route_info_get(struct net_device *dev, + struct ieee80211_mgmt *mgmt, + u8 *hwmp_ie) +{ + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct mesh_path *mpath; + struct sta_info *sta; + bool fresh_info; + u8 *orig_addr, *ta; + u32 orig_dsn, orig_metric; + unsigned long orig_lifetime, exp_time; + u32 last_hop_metric, new_metric; + bool process = true; + u8 action = mgmt->u.action.u.mesh_action.action_code; + + rcu_read_lock(); + sta = sta_info_get(local, mgmt->sa); + if (!sta) { + rcu_read_unlock(); + return 0; + } + + last_hop_metric = airtime_link_metric_get(local, sta); + /* Update and check originator routing info */ + fresh_info = true; + + switch (action) { + case MPATH_PREQ: + orig_addr = PREQ_IE_ORIG_ADDR(hwmp_ie); + orig_dsn = PREQ_IE_ORIG_DSN(hwmp_ie); + orig_lifetime = PREQ_IE_LIFETIME(hwmp_ie); + orig_metric = PREQ_IE_METRIC(hwmp_ie); + break; + case MPATH_PREP: + /* Originator here refers to the MP that was the destination in + * the Path Request. The draft refers to that MP as the + * destination address, even though usually it is the origin of + * the PREP frame. We divert from the nomenclature in the draft + * so that we can easily use a single function to gather path + * information from both PREQ and PREP frames. + */ + orig_addr = PREP_IE_ORIG_ADDR(hwmp_ie); + orig_dsn = PREP_IE_ORIG_DSN(hwmp_ie); + orig_lifetime = PREP_IE_LIFETIME(hwmp_ie); + orig_metric = PREP_IE_METRIC(hwmp_ie); + break; + default: + rcu_read_unlock(); + return 0; + } + new_metric = orig_metric + last_hop_metric; + if (new_metric < orig_metric) + new_metric = MAX_METRIC; + exp_time = TU_TO_EXP_TIME(orig_lifetime); + + if (memcmp(orig_addr, dev->dev_addr, ETH_ALEN) == 0) { + /* This MP is the originator, we are not interested in this + * frame, except for updating transmitter's path info. + */ + process = false; + fresh_info = false; + } else { + mpath = mesh_path_lookup(orig_addr, dev); + if (mpath) { + spin_lock_bh(&mpath->state_lock); + if (mpath->flags & MESH_PATH_FIXED) + fresh_info = false; + else if ((mpath->flags & MESH_PATH_ACTIVE) && + (mpath->flags & MESH_PATH_DSN_VALID)) { + if (DSN_GT(mpath->dsn, orig_dsn) || + (mpath->dsn == orig_dsn && + action == MPATH_PREQ && + new_metric > mpath->metric)) { + process = false; + fresh_info = false; + } + } + } else { + mesh_path_add(orig_addr, dev); + mpath = mesh_path_lookup(orig_addr, dev); + if (!mpath) { + rcu_read_unlock(); + return 0; + } + spin_lock_bh(&mpath->state_lock); + } + + if (fresh_info) { + mesh_path_assign_nexthop(mpath, sta); + mpath->flags |= MESH_PATH_DSN_VALID; + mpath->metric = new_metric; + mpath->dsn = orig_dsn; + mpath->exp_time = time_after(mpath->exp_time, exp_time) + ? mpath->exp_time : exp_time; + mesh_path_activate(mpath); + spin_unlock_bh(&mpath->state_lock); + mesh_path_tx_pending(mpath); + /* draft says preq_id should be saved to, but there does + * not seem to be any use for it, skipping by now + */ + } else + spin_unlock_bh(&mpath->state_lock); + } + + /* Update and check transmitter routing info */ + ta = mgmt->sa; + if (memcmp(orig_addr, ta, ETH_ALEN) == 0) + fresh_info = false; + else { + fresh_info = true; + + mpath = mesh_path_lookup(ta, dev); + if (mpath) { + spin_lock_bh(&mpath->state_lock); + if ((mpath->flags & MESH_PATH_FIXED) || + ((mpath->flags & MESH_PATH_ACTIVE) && + (last_hop_metric > mpath->metric))) + fresh_info = false; + } else { + mesh_path_add(ta, dev); + mpath = mesh_path_lookup(ta, dev); + if (!mpath) { + rcu_read_unlock(); + return 0; + } + spin_lock_bh(&mpath->state_lock); + } + + if (fresh_info) { + mesh_path_assign_nexthop(mpath, sta); + mpath->flags &= ~MESH_PATH_DSN_VALID; + mpath->metric = last_hop_metric; + mpath->exp_time = time_after(mpath->exp_time, exp_time) + ? mpath->exp_time : exp_time; + mesh_path_activate(mpath); + spin_unlock_bh(&mpath->state_lock); + mesh_path_tx_pending(mpath); + } else + spin_unlock_bh(&mpath->state_lock); + } + + rcu_read_unlock(); + + return process ? new_metric : 0; +} + +static void hwmp_preq_frame_process(struct net_device *dev, + struct ieee80211_mgmt *mgmt, + u8 *preq_elem, u32 metric) { + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_if_sta *ifsta = &sdata->u.sta; + struct mesh_path *mpath; + u8 *dst_addr, *orig_addr; + u8 dst_flags, ttl; + u32 orig_dsn, dst_dsn, lifetime; + bool reply = false; + bool forward = true; + + /* Update destination DSN, if present */ + dst_addr = PREQ_IE_DST_ADDR(preq_elem); + orig_addr = PREQ_IE_ORIG_ADDR(preq_elem); + dst_dsn = PREQ_IE_DST_DSN(preq_elem); + orig_dsn = PREQ_IE_ORIG_DSN(preq_elem); + dst_flags = PREQ_IE_DST_F(preq_elem); + + if (memcmp(dst_addr, dev->dev_addr, ETH_ALEN) == 0) { + forward = false; + reply = true; + metric = 0; + if (time_after(jiffies, ifsta->last_dsn_update + + net_traversal_jiffies(sdata)) || + time_before(jiffies, ifsta->last_dsn_update)) { + dst_dsn = ++ifsta->dsn; + ifsta->last_dsn_update = jiffies; + } + } else { + rcu_read_lock(); + mpath = mesh_path_lookup(dst_addr, dev); + if (mpath) { + if ((!(mpath->flags & MESH_PATH_DSN_VALID)) || + DSN_LT(mpath->dsn, dst_dsn)) { + mpath->dsn = dst_dsn; + mpath->flags &= MESH_PATH_DSN_VALID; + } else if ((!(dst_flags & MP_F_DO)) && + (mpath->flags & MESH_PATH_ACTIVE)) { + reply = true; + metric = mpath->metric; + dst_dsn = mpath->dsn; + if (dst_flags & MP_F_RF) + dst_flags |= MP_F_DO; + else + forward = false; + } + } + rcu_read_unlock(); + } + + if (reply) { + lifetime = PREQ_IE_LIFETIME(preq_elem); + ttl = ifsta->mshcfg.dot11MeshTTL; + if (ttl != 0) + mesh_path_sel_frame_tx(MPATH_PREP, 0, dst_addr, + cpu_to_le32(dst_dsn), 0, orig_addr, + cpu_to_le32(orig_dsn), mgmt->sa, 0, ttl, + cpu_to_le32(lifetime), cpu_to_le32(metric), + 0, dev); + else + ifsta->mshstats.dropped_frames_ttl++; + } + + if (forward) { + u32 preq_id; + u8 hopcount, flags; + + ttl = PREQ_IE_TTL(preq_elem); + lifetime = PREQ_IE_LIFETIME(preq_elem); + if (ttl <= 1) { + ifsta->mshstats.dropped_frames_ttl++; + return; + } + --ttl; + flags = PREQ_IE_FLAGS(preq_elem); + preq_id = PREQ_IE_PREQ_ID(preq_elem); + hopcount = PREQ_IE_HOPCOUNT(preq_elem) + 1; + mesh_path_sel_frame_tx(MPATH_PREQ, flags, orig_addr, + cpu_to_le32(orig_dsn), dst_flags, dst_addr, + cpu_to_le32(dst_dsn), dev->broadcast, + hopcount, ttl, cpu_to_le32(lifetime), + cpu_to_le32(metric), cpu_to_le32(preq_id), + dev); + ifsta->mshstats.fwded_frames++; + } +} + + +static void hwmp_prep_frame_process(struct net_device *dev, + struct ieee80211_mgmt *mgmt, + u8 *prep_elem, u32 metric) +{ + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct mesh_path *mpath; + u8 *dst_addr, *orig_addr; + u8 ttl, hopcount, flags; + u8 next_hop[ETH_ALEN]; + u32 dst_dsn, orig_dsn, lifetime; + + /* Note that we divert from the draft nomenclature and denominate + * destination to what the draft refers to as origininator. So in this + * function destnation refers to the final destination of the PREP, + * which corresponds with the originator of the PREQ which this PREP + * replies + */ + dst_addr = PREP_IE_DST_ADDR(prep_elem); + if (memcmp(dst_addr, dev->dev_addr, ETH_ALEN) == 0) + /* destination, no forwarding required */ + return; + + ttl = PREP_IE_TTL(prep_elem); + if (ttl <= 1) { + sdata->u.sta.mshstats.dropped_frames_ttl++; + return; + } + + rcu_read_lock(); + mpath = mesh_path_lookup(dst_addr, dev); + if (mpath) + spin_lock_bh(&mpath->state_lock); + else + goto fail; + if (!(mpath->flags & MESH_PATH_ACTIVE)) { + spin_unlock_bh(&mpath->state_lock); + goto fail; + } + memcpy(next_hop, mpath->next_hop->addr, ETH_ALEN); + spin_unlock_bh(&mpath->state_lock); + --ttl; + flags = PREP_IE_FLAGS(prep_elem); + lifetime = PREP_IE_LIFETIME(prep_elem); + hopcount = PREP_IE_HOPCOUNT(prep_elem) + 1; + orig_addr = PREP_IE_ORIG_ADDR(prep_elem); + dst_dsn = PREP_IE_DST_DSN(prep_elem); + orig_dsn = PREP_IE_ORIG_DSN(prep_elem); + + mesh_path_sel_frame_tx(MPATH_PREP, flags, orig_addr, + cpu_to_le32(orig_dsn), 0, dst_addr, + cpu_to_le32(dst_dsn), mpath->next_hop->addr, hopcount, ttl, + cpu_to_le32(lifetime), cpu_to_le32(metric), + 0, dev); + rcu_read_unlock(); + sdata->u.sta.mshstats.fwded_frames++; + return; + +fail: + rcu_read_unlock(); + sdata->u.sta.mshstats.dropped_frames_no_route++; + return; +} + +static void hwmp_perr_frame_process(struct net_device *dev, + struct ieee80211_mgmt *mgmt, u8 *perr_elem) +{ + struct mesh_path *mpath; + u8 *ta, *dst_addr; + u32 dst_dsn; + + ta = mgmt->sa; + dst_addr = PERR_IE_DST_ADDR(perr_elem); + dst_dsn = PERR_IE_DST_DSN(perr_elem); + rcu_read_lock(); + mpath = mesh_path_lookup(dst_addr, dev); + if (mpath) { + spin_lock_bh(&mpath->state_lock); + if (mpath->flags & MESH_PATH_ACTIVE && + memcmp(ta, mpath->next_hop->addr, ETH_ALEN) == 0 && + (!(mpath->flags & MESH_PATH_DSN_VALID) || + DSN_GT(dst_dsn, mpath->dsn))) { + mpath->flags &= ~MESH_PATH_ACTIVE; + mpath->dsn = dst_dsn; + spin_unlock_bh(&mpath->state_lock); + mesh_path_error_tx(dst_addr, cpu_to_le32(dst_dsn), + dev->broadcast, dev); + } else + spin_unlock_bh(&mpath->state_lock); + } + rcu_read_unlock(); +} + + + +void mesh_rx_path_sel_frame(struct net_device *dev, + struct ieee80211_mgmt *mgmt, + size_t len) +{ + struct ieee802_11_elems elems; + size_t baselen; + u32 last_hop_metric; + + baselen = (u8 *) mgmt->u.action.u.mesh_action.variable - (u8 *) mgmt; + ieee802_11_parse_elems(mgmt->u.action.u.mesh_action.variable, + len - baselen, &elems); + + switch (mgmt->u.action.u.mesh_action.action_code) { + case MPATH_PREQ: + if (!elems.preq || elems.preq_len != 37) + /* Right now we support just 1 destination and no AE */ + return; + last_hop_metric = hwmp_route_info_get(dev, mgmt, elems.preq); + if (!last_hop_metric) + return; + hwmp_preq_frame_process(dev, mgmt, elems.preq, last_hop_metric); + break; + case MPATH_PREP: + if (!elems.prep || elems.prep_len != 31) + /* Right now we support no AE */ + return; + last_hop_metric = hwmp_route_info_get(dev, mgmt, elems.prep); + if (!last_hop_metric) + return; + hwmp_prep_frame_process(dev, mgmt, elems.prep, last_hop_metric); + break; + case MPATH_PERR: + if (!elems.perr || elems.perr_len != 12) + /* Right now we support only one destination per PERR */ + return; + hwmp_perr_frame_process(dev, mgmt, elems.perr); + default: + return; + } + +} + +/** + * mesh_queue_preq - queue a PREQ to a given destination + * + * @mpath: mesh path to discover + * @flags: special attributes of the PREQ to be sent + * + * Locking: the function must be called from within a rcu read lock block. + * + */ +static void mesh_queue_preq(struct mesh_path *mpath, u8 flags) +{ + struct ieee80211_sub_if_data *sdata = + IEEE80211_DEV_TO_SUB_IF(mpath->dev); + struct ieee80211_if_sta *ifsta = &sdata->u.sta; + struct mesh_preq_queue *preq_node; + + preq_node = kmalloc(sizeof(struct mesh_preq_queue), GFP_KERNEL); + if (!preq_node) { + printk(KERN_DEBUG "Mesh HWMP: could not allocate PREQ node\n"); + return; + } + + spin_lock(&ifsta->mesh_preq_queue_lock); + if (ifsta->preq_queue_len == MAX_PREQ_QUEUE_LEN) { + spin_unlock(&ifsta->mesh_preq_queue_lock); + kfree(preq_node); + if (printk_ratelimit()) + printk(KERN_DEBUG "Mesh HWMP: PREQ node queue full\n"); + return; + } + + memcpy(preq_node->dst, mpath->dst, ETH_ALEN); + preq_node->flags = flags; + + list_add_tail(&preq_node->list, &ifsta->preq_queue.list); + ++ifsta->preq_queue_len; + spin_unlock(&ifsta->mesh_preq_queue_lock); + + if (time_after(jiffies, ifsta->last_preq + min_preq_int_jiff(sdata))) + queue_work(sdata->local->hw.workqueue, &ifsta->work); + + else if (time_before(jiffies, ifsta->last_preq)) { + /* avoid long wait if did not send preqs for a long time + * and jiffies wrapped around + */ + ifsta->last_preq = jiffies - min_preq_int_jiff(sdata) - 1; + queue_work(sdata->local->hw.workqueue, &ifsta->work); + } else + mod_timer(&ifsta->mesh_path_timer, ifsta->last_preq + + min_preq_int_jiff(sdata)); +} + +/** + * mesh_path_start_discovery - launch a path discovery from the PREQ queue + * + * @dev: local mesh interface + */ +void mesh_path_start_discovery(struct net_device *dev) +{ + struct ieee80211_sub_if_data *sdata = + IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_if_sta *ifsta = &sdata->u.sta; + struct mesh_preq_queue *preq_node; + struct mesh_path *mpath; + u8 ttl, dst_flags; + u32 lifetime; + + spin_lock(&ifsta->mesh_preq_queue_lock); + if (!ifsta->preq_queue_len || + time_before(jiffies, ifsta->last_preq + + min_preq_int_jiff(sdata))) { + spin_unlock(&ifsta->mesh_preq_queue_lock); + return; + } + + preq_node = list_first_entry(&ifsta->preq_queue.list, + struct mesh_preq_queue, list); + list_del(&preq_node->list); + --ifsta->preq_queue_len; + spin_unlock(&ifsta->mesh_preq_queue_lock); + + rcu_read_lock(); + mpath = mesh_path_lookup(preq_node->dst, dev); + if (!mpath) + goto enddiscovery; + + spin_lock_bh(&mpath->state_lock); + if (preq_node->flags & PREQ_Q_F_START) { + if (mpath->flags & MESH_PATH_RESOLVING) { + spin_unlock_bh(&mpath->state_lock); + goto enddiscovery; + } else { + mpath->flags &= ~MESH_PATH_RESOLVED; + mpath->flags |= MESH_PATH_RESOLVING; + mpath->discovery_retries = 0; + mpath->discovery_timeout = disc_timeout_jiff(sdata); + } + } else if (!(mpath->flags & MESH_PATH_RESOLVING) || + mpath->flags & MESH_PATH_RESOLVED) { + mpath->flags &= ~MESH_PATH_RESOLVING; + spin_unlock_bh(&mpath->state_lock); + goto enddiscovery; + } + + ifsta->last_preq = jiffies; + + if (time_after(jiffies, ifsta->last_dsn_update + + net_traversal_jiffies(sdata)) || + time_before(jiffies, ifsta->last_dsn_update)) { + ++ifsta->dsn; + sdata->u.sta.last_dsn_update = jiffies; + } + lifetime = default_lifetime(sdata); + ttl = sdata->u.sta.mshcfg.dot11MeshTTL; + if (ttl == 0) { + sdata->u.sta.mshstats.dropped_frames_ttl++; + spin_unlock_bh(&mpath->state_lock); + goto enddiscovery; + } + + if (preq_node->flags & PREQ_Q_F_REFRESH) + dst_flags = MP_F_DO; + else + dst_flags = MP_F_RF; + + spin_unlock_bh(&mpath->state_lock); + mesh_path_sel_frame_tx(MPATH_PREQ, 0, dev->dev_addr, + cpu_to_le32(ifsta->dsn), dst_flags, mpath->dst, + cpu_to_le32(mpath->dsn), dev->broadcast, 0, + ttl, cpu_to_le32(lifetime), 0, + cpu_to_le32(ifsta->preq_id++), dev); + mod_timer(&mpath->timer, jiffies + mpath->discovery_timeout); + +enddiscovery: + rcu_read_unlock(); + kfree(preq_node); +} + +/** + * ieee80211s_lookup_nexthop - put the appropriate next hop on a mesh frame + * + * @next_hop: output argument for next hop address + * @skb: frame to be sent + * @dev: network device the frame will be sent through + * + * Returns: 0 if the next hop was found. Nonzero otherwise. If no next hop is + * found, the function will start a path discovery and queue the frame so it is + * sent when the path is resolved. This means the caller must not free the skb + * in this case. + */ +int mesh_nexthop_lookup(u8 *next_hop, struct sk_buff *skb, + struct net_device *dev) +{ + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct sk_buff *skb_to_free = NULL; + struct mesh_path *mpath; + int err = 0; + + rcu_read_lock(); + mpath = mesh_path_lookup(skb->data, dev); + + if (!mpath) { + mesh_path_add(skb->data, dev); + mpath = mesh_path_lookup(skb->data, dev); + if (!mpath) { + dev_kfree_skb(skb); + sdata->u.sta.mshstats.dropped_frames_no_route++; + err = -ENOSPC; + goto endlookup; + } + } + + if (mpath->flags & MESH_PATH_ACTIVE) { + if (time_after(jiffies, mpath->exp_time - + msecs_to_jiffies(sdata->u.sta.mshcfg.path_refresh_time)) + && skb->pkt_type != PACKET_OTHERHOST + && !(mpath->flags & MESH_PATH_RESOLVING) + && !(mpath->flags & MESH_PATH_FIXED)) { + mesh_queue_preq(mpath, + PREQ_Q_F_START | PREQ_Q_F_REFRESH); + } + memcpy(next_hop, mpath->next_hop->addr, + ETH_ALEN); + } else { + if (!(mpath->flags & MESH_PATH_RESOLVING)) { + /* Start discovery only if it is not running yet */ + mesh_queue_preq(mpath, PREQ_Q_F_START); + } + + if (skb_queue_len(&mpath->frame_queue) >= + MESH_FRAME_QUEUE_LEN) { + skb_to_free = mpath->frame_queue.next; + skb_unlink(skb_to_free, &mpath->frame_queue); + } + + skb_queue_tail(&mpath->frame_queue, skb); + if (skb_to_free) + mesh_path_discard_frame(skb_to_free, dev); + err = -ENOENT; + } + +endlookup: + rcu_read_unlock(); + return err; +} + +void mesh_path_timer(unsigned long data) +{ + struct ieee80211_sub_if_data *sdata; + struct mesh_path *mpath; + + rcu_read_lock(); + mpath = (struct mesh_path *) data; + mpath = rcu_dereference(mpath); + if (!mpath) + goto endmpathtimer; + spin_lock_bh(&mpath->state_lock); + sdata = IEEE80211_DEV_TO_SUB_IF(mpath->dev); + if (mpath->flags & MESH_PATH_RESOLVED || + (!(mpath->flags & MESH_PATH_RESOLVING))) + mpath->flags &= ~(MESH_PATH_RESOLVING | MESH_PATH_RESOLVED); + else if (mpath->discovery_retries < max_preq_retries(sdata)) { + ++mpath->discovery_retries; + mpath->discovery_timeout *= 2; + mesh_queue_preq(mpath, 0); + } else { + mpath->flags = 0; + mpath->exp_time = jiffies; + mesh_path_flush_pending(mpath); + } + + spin_unlock_bh(&mpath->state_lock); +endmpathtimer: + rcu_read_unlock(); +} diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c new file mode 100644 index 000000000000..5845dc21ce85 --- /dev/null +++ b/net/mac80211/mesh_pathtbl.c @@ -0,0 +1,516 @@ +/* + * Copyright (c) 2008 open80211s Ltd. + * Author: Luis Carlos Cobo <luisca@cozybit.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/etherdevice.h> +#include <linux/list.h> +#include <linux/netdevice.h> +#include <linux/random.h> +#include <linux/spinlock.h> +#include <linux/string.h> +#include <net/mac80211.h> +#include "ieee80211_i.h" +#include "mesh.h" + +/* There will be initially 2^INIT_PATHS_SIZE_ORDER buckets */ +#define INIT_PATHS_SIZE_ORDER 2 + +/* Keep the mean chain length below this constant */ +#define MEAN_CHAIN_LEN 2 + +#define MPATH_EXPIRED(mpath) ((mpath->flags & MESH_PATH_ACTIVE) && \ + time_after(jiffies, mpath->exp_time) && \ + !(mpath->flags & MESH_PATH_FIXED)) + +struct mpath_node { + struct hlist_node list; + struct rcu_head rcu; + /* This indirection allows two different tables to point to the same + * mesh_path structure, useful when resizing + */ + struct mesh_path *mpath; +}; + +static struct mesh_table *mesh_paths; + +/* This lock will have the grow table function as writer and add / delete nodes + * as readers. When reading the table (i.e. doing lookups) we are well protected + * by RCU + */ +static DEFINE_RWLOCK(pathtbl_resize_lock); + +/** + * + * mesh_path_assign_nexthop - update mesh path next hop + * + * @mpath: mesh path to update + * @sta: next hop to assign + * + * Locking: mpath->state_lock must be held when calling this function + */ +void mesh_path_assign_nexthop(struct mesh_path *mpath, struct sta_info *sta) +{ + rcu_assign_pointer(mpath->next_hop, sta); +} + + +/** + * mesh_path_lookup - look up a path in the mesh path table + * @dst: hardware address (ETH_ALEN length) of destination + * @dev: local interface + * + * Returns: pointer to the mesh path structure, or NULL if not found + * + * Locking: must be called within a read rcu section. + */ +struct mesh_path *mesh_path_lookup(u8 *dst, struct net_device *dev) +{ + struct mesh_path *mpath; + struct hlist_node *n; + struct hlist_head *bucket; + struct mesh_table *tbl; + struct mpath_node *node; + + tbl = rcu_dereference(mesh_paths); + + bucket = &tbl->hash_buckets[mesh_table_hash(dst, dev, tbl)]; + hlist_for_each_entry_rcu(node, n, bucket, list) { + mpath = node->mpath; + if (mpath->dev == dev && + memcmp(dst, mpath->dst, ETH_ALEN) == 0) { + if (MPATH_EXPIRED(mpath)) { + spin_lock_bh(&mpath->state_lock); + if (MPATH_EXPIRED(mpath)) + mpath->flags &= ~MESH_PATH_ACTIVE; + spin_unlock_bh(&mpath->state_lock); + } + return mpath; + } + } + return NULL; +} + +/** + * mesh_path_lookup_by_idx - look up a path in the mesh path table by its index + * @idx: index + * @dev: local interface, or NULL for all entries + * + * Returns: pointer to the mesh path structure, or NULL if not found. + * + * Locking: must be called within a read rcu section. + */ +struct mesh_path *mesh_path_lookup_by_idx(int idx, struct net_device *dev) +{ + struct mpath_node *node; + struct hlist_node *p; + int i; + int j = 0; + + for_each_mesh_entry(mesh_paths, p, node, i) { + if (dev && node->mpath->dev != dev) + continue; + if (j++ == idx) { + if (MPATH_EXPIRED(node->mpath)) { + spin_lock_bh(&node->mpath->state_lock); + if (MPATH_EXPIRED(node->mpath)) + node->mpath->flags &= ~MESH_PATH_ACTIVE; + spin_unlock_bh(&node->mpath->state_lock); + } + return node->mpath; + } + } + + return NULL; +} + +/** + * mesh_path_add - allocate and add a new path to the mesh path table + * @addr: destination address of the path (ETH_ALEN length) + * @dev: local interface + * + * Returns: 0 on sucess + * + * State: the initial state of the new path is set to 0 + */ +int mesh_path_add(u8 *dst, struct net_device *dev) +{ + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct mesh_path *mpath, *new_mpath; + struct mpath_node *node, *new_node; + struct hlist_head *bucket; + struct hlist_node *n; + int grow = 0; + int err = 0; + u32 hash_idx; + + if (memcmp(dst, dev->dev_addr, ETH_ALEN) == 0) + /* never add ourselves as neighbours */ + return -ENOTSUPP; + + if (is_multicast_ether_addr(dst)) + return -ENOTSUPP; + + if (atomic_add_unless(&sdata->u.sta.mpaths, 1, MESH_MAX_MPATHS) == 0) + return -ENOSPC; + + read_lock(&pathtbl_resize_lock); + + new_mpath = kzalloc(sizeof(struct mesh_path), GFP_KERNEL); + if (!new_mpath) { + atomic_dec(&sdata->u.sta.mpaths); + err = -ENOMEM; + goto endadd2; + } + memcpy(new_mpath->dst, dst, ETH_ALEN); + new_mpath->dev = dev; + new_mpath->flags = 0; + skb_queue_head_init(&new_mpath->frame_queue); + new_node = kmalloc(sizeof(struct mpath_node), GFP_KERNEL); + new_node->mpath = new_mpath; + new_mpath->timer.data = (unsigned long) new_mpath; + new_mpath->timer.function = mesh_path_timer; + new_mpath->exp_time = jiffies; + spin_lock_init(&new_mpath->state_lock); + init_timer(&new_mpath->timer); + + hash_idx = mesh_table_hash(dst, dev, mesh_paths); + bucket = &mesh_paths->hash_buckets[hash_idx]; + + spin_lock(&mesh_paths->hashwlock[hash_idx]); + + hlist_for_each_entry(node, n, bucket, list) { + mpath = node->mpath; + if (mpath->dev == dev && memcmp(dst, mpath->dst, ETH_ALEN) + == 0) { + err = -EEXIST; + atomic_dec(&sdata->u.sta.mpaths); + kfree(new_node); + kfree(new_mpath); + goto endadd; + } + } + + hlist_add_head_rcu(&new_node->list, bucket); + if (atomic_inc_return(&mesh_paths->entries) >= + mesh_paths->mean_chain_len * (mesh_paths->hash_mask + 1)) + grow = 1; + +endadd: + spin_unlock(&mesh_paths->hashwlock[hash_idx]); +endadd2: + read_unlock(&pathtbl_resize_lock); + if (!err && grow) { + struct mesh_table *oldtbl, *newtbl; + + write_lock(&pathtbl_resize_lock); + oldtbl = mesh_paths; + newtbl = mesh_table_grow(mesh_paths); + if (!newtbl) { + write_unlock(&pathtbl_resize_lock); + return -ENOMEM; + } + rcu_assign_pointer(mesh_paths, newtbl); + synchronize_rcu(); + mesh_table_free(oldtbl, false); + write_unlock(&pathtbl_resize_lock); + } + return err; +} + + +/** + * mesh_plink_broken - deactivates paths and sends perr when a link breaks + * + * @sta: broken peer link + * + * This function must be called from the rate control algorithm if enough + * delivery errors suggest that a peer link is no longer usable. + */ +void mesh_plink_broken(struct sta_info *sta) +{ + struct mesh_path *mpath; + struct mpath_node *node; + struct hlist_node *p; + struct net_device *dev = sta->sdata->dev; + int i; + + rcu_read_lock(); + for_each_mesh_entry(mesh_paths, p, node, i) { + mpath = node->mpath; + spin_lock_bh(&mpath->state_lock); + if (mpath->next_hop == sta && + mpath->flags & MESH_PATH_ACTIVE && + !(mpath->flags & MESH_PATH_FIXED)) { + mpath->flags &= ~MESH_PATH_ACTIVE; + ++mpath->dsn; + spin_unlock_bh(&mpath->state_lock); + mesh_path_error_tx(mpath->dst, + cpu_to_le32(mpath->dsn), + dev->broadcast, dev); + } else + spin_unlock_bh(&mpath->state_lock); + } + rcu_read_unlock(); +} +EXPORT_SYMBOL(mesh_plink_broken); + +/** + * mesh_path_flush_by_nexthop - Deletes mesh paths if their next hop matches + * + * @sta - mesh peer to match + * + * RCU notes: this function is called when a mesh plink transitions from + * PLINK_ESTAB to any other state, since PLINK_ESTAB state is the only one that + * allows path creation. This will happen before the sta can be freed (because + * sta_info_destroy() calls this) so any reader in a rcu read block will be + * protected against the plink disappearing. + */ +void mesh_path_flush_by_nexthop(struct sta_info *sta) +{ + struct mesh_path *mpath; + struct mpath_node *node; + struct hlist_node *p; + int i; + + for_each_mesh_entry(mesh_paths, p, node, i) { + mpath = node->mpath; + if (mpath->next_hop == sta) + mesh_path_del(mpath->dst, mpath->dev); + } +} + +void mesh_path_flush(struct net_device *dev) +{ + struct mesh_path *mpath; + struct mpath_node *node; + struct hlist_node *p; + int i; + + for_each_mesh_entry(mesh_paths, p, node, i) { + mpath = node->mpath; + if (mpath->dev == dev) + mesh_path_del(mpath->dst, mpath->dev); + } +} + +static void mesh_path_node_reclaim(struct rcu_head *rp) +{ + struct mpath_node *node = container_of(rp, struct mpath_node, rcu); + struct ieee80211_sub_if_data *sdata = + IEEE80211_DEV_TO_SUB_IF(node->mpath->dev); + + del_timer_sync(&node->mpath->timer); + atomic_dec(&sdata->u.sta.mpaths); + kfree(node->mpath); + kfree(node); +} + +/** + * mesh_path_del - delete a mesh path from the table + * + * @addr: dst address (ETH_ALEN length) + * @dev: local interface + * + * Returns: 0 if succesful + */ +int mesh_path_del(u8 *addr, struct net_device *dev) +{ + struct mesh_path *mpath; + struct mpath_node *node; + struct hlist_head *bucket; + struct hlist_node *n; + int hash_idx; + int err = 0; + + read_lock(&pathtbl_resize_lock); + hash_idx = mesh_table_hash(addr, dev, mesh_paths); + bucket = &mesh_paths->hash_buckets[hash_idx]; + + spin_lock(&mesh_paths->hashwlock[hash_idx]); + hlist_for_each_entry(node, n, bucket, list) { + mpath = node->mpath; + if (mpath->dev == dev && + memcmp(addr, mpath->dst, ETH_ALEN) == 0) { + spin_lock_bh(&mpath->state_lock); + mpath->flags |= MESH_PATH_RESOLVING; + hlist_del_rcu(&node->list); + call_rcu(&node->rcu, mesh_path_node_reclaim); + atomic_dec(&mesh_paths->entries); + spin_unlock_bh(&mpath->state_lock); + goto enddel; + } + } + + err = -ENXIO; +enddel: + spin_unlock(&mesh_paths->hashwlock[hash_idx]); + read_unlock(&pathtbl_resize_lock); + return err; +} + +/** + * mesh_path_tx_pending - sends pending frames in a mesh path queue + * + * @mpath: mesh path to activate + * + * Locking: the state_lock of the mpath structure must NOT be held when calling + * this function. + */ +void mesh_path_tx_pending(struct mesh_path *mpath) +{ + struct sk_buff *skb; + + while ((skb = skb_dequeue(&mpath->frame_queue)) && + (mpath->flags & MESH_PATH_ACTIVE)) + dev_queue_xmit(skb); +} + +/** + * mesh_path_discard_frame - discard a frame whose path could not be resolved + * + * @skb: frame to discard + * @dev: network device the frame was to be sent through + * + * If the frame was beign forwarded from another MP, a PERR frame will be sent + * to the precursor. + * + * Locking: the function must me called within a rcu_read_lock region + */ +void mesh_path_discard_frame(struct sk_buff *skb, struct net_device *dev) +{ + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct mesh_path *mpath; + u32 dsn = 0; + + if (skb->pkt_type == PACKET_OTHERHOST) { + struct ieee80211s_hdr *prev_meshhdr; + int mshhdrlen; + u8 *ra, *da; + + prev_meshhdr = ((struct ieee80211s_hdr *)skb->cb); + mshhdrlen = ieee80211_get_mesh_hdrlen(prev_meshhdr); + da = skb->data; + ra = MESH_PREQ(skb); + mpath = mesh_path_lookup(da, dev); + if (mpath) + dsn = ++mpath->dsn; + mesh_path_error_tx(skb->data, cpu_to_le32(dsn), ra, dev); + } + + kfree_skb(skb); + sdata->u.sta.mshstats.dropped_frames_no_route++; +} + +/** + * mesh_path_flush_pending - free the pending queue of a mesh path + * + * @mpath: mesh path whose queue has to be freed + * + * Locking: the function must me called withing a rcu_read_lock region + */ +void mesh_path_flush_pending(struct mesh_path *mpath) +{ + struct ieee80211_sub_if_data *sdata; + struct sk_buff *skb; + + sdata = IEEE80211_DEV_TO_SUB_IF(mpath->dev); + + while ((skb = skb_dequeue(&mpath->frame_queue)) && + (mpath->flags & MESH_PATH_ACTIVE)) + mesh_path_discard_frame(skb, mpath->dev); +} + +/** + * mesh_path_fix_nexthop - force a specific next hop for a mesh path + * + * @mpath: the mesh path to modify + * @next_hop: the next hop to force + * + * Locking: this function must be called holding mpath->state_lock + */ +void mesh_path_fix_nexthop(struct mesh_path *mpath, struct sta_info *next_hop) +{ + spin_lock_bh(&mpath->state_lock); + mesh_path_assign_nexthop(mpath, next_hop); + mpath->dsn = 0xffff; + mpath->metric = 0; + mpath->hop_count = 0; + mpath->exp_time = 0; + mpath->flags |= MESH_PATH_FIXED; + mesh_path_activate(mpath); + spin_unlock_bh(&mpath->state_lock); + mesh_path_tx_pending(mpath); +} + +static void mesh_path_node_free(struct hlist_node *p, bool free_leafs) +{ + struct mesh_path *mpath; + struct mpath_node *node = hlist_entry(p, struct mpath_node, list); + mpath = node->mpath; + hlist_del_rcu(p); + synchronize_rcu(); + if (free_leafs) + kfree(mpath); + kfree(node); +} + +static void mesh_path_node_copy(struct hlist_node *p, struct mesh_table *newtbl) +{ + struct mesh_path *mpath; + struct mpath_node *node, *new_node; + u32 hash_idx; + + node = hlist_entry(p, struct mpath_node, list); + mpath = node->mpath; + new_node = kmalloc(sizeof(struct mpath_node), GFP_KERNEL); + new_node->mpath = mpath; + hash_idx = mesh_table_hash(mpath->dst, mpath->dev, newtbl); + hlist_add_head(&new_node->list, + &newtbl->hash_buckets[hash_idx]); +} + +int mesh_pathtbl_init(void) +{ + mesh_paths = mesh_table_alloc(INIT_PATHS_SIZE_ORDER); + mesh_paths->free_node = &mesh_path_node_free; + mesh_paths->copy_node = &mesh_path_node_copy; + mesh_paths->mean_chain_len = MEAN_CHAIN_LEN; + if (!mesh_paths) + return -ENOMEM; + return 0; +} + +void mesh_path_expire(struct net_device *dev) +{ + struct mesh_path *mpath; + struct mpath_node *node; + struct hlist_node *p; + int i; + + read_lock(&pathtbl_resize_lock); + for_each_mesh_entry(mesh_paths, p, node, i) { + if (node->mpath->dev != dev) + continue; + mpath = node->mpath; + spin_lock_bh(&mpath->state_lock); + if ((!(mpath->flags & MESH_PATH_RESOLVING)) && + (!(mpath->flags & MESH_PATH_FIXED)) && + time_after(jiffies, + mpath->exp_time + MESH_PATH_EXPIRE)) { + spin_unlock_bh(&mpath->state_lock); + mesh_path_del(mpath->dst, mpath->dev); + } else + spin_unlock_bh(&mpath->state_lock); + } + read_unlock(&pathtbl_resize_lock); +} + +void mesh_pathtbl_unregister(void) +{ + mesh_table_free(mesh_paths, true); +} diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c new file mode 100644 index 000000000000..18fe52436c47 --- /dev/null +++ b/net/mac80211/mesh_plink.c @@ -0,0 +1,761 @@ +/* + * Copyright (c) 2008 open80211s Ltd. + * Author: Luis Carlos Cobo <luisca@cozybit.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/kernel.h> +#include <linux/random.h> +#include "ieee80211_i.h" +#include "ieee80211_rate.h" +#include "mesh.h" + +#ifdef CONFIG_MAC80211_VERBOSE_MPL_DEBUG +#define mpl_dbg(fmt, args...) printk(KERN_DEBUG fmt, ##args) +#else +#define mpl_dbg(fmt, args...) do { (void)(0); } while (0) +#endif + +#define IEEE80211_FC(type, stype) cpu_to_le16(type | stype) +#define PLINK_GET_FRAME_SUBTYPE(p) (p) +#define PLINK_GET_LLID(p) (p + 1) +#define PLINK_GET_PLID(p) (p + 3) + +#define mod_plink_timer(s, t) (mod_timer(&s->plink_timer, \ + jiffies + HZ * t / 1000)) + +/* Peer link cancel reasons, all subject to ANA approval */ +#define MESH_LINK_CANCELLED 2 +#define MESH_MAX_NEIGHBORS 3 +#define MESH_CAPABILITY_POLICY_VIOLATION 4 +#define MESH_CLOSE_RCVD 5 +#define MESH_MAX_RETRIES 6 +#define MESH_CONFIRM_TIMEOUT 7 +#define MESH_SECURITY_ROLE_NEGOTIATION_DIFFERS 8 +#define MESH_SECURITY_AUTHENTICATION_IMPOSSIBLE 9 +#define MESH_SECURITY_FAILED_VERIFICATION 10 + +#define dot11MeshMaxRetries(s) (s->u.sta.mshcfg.dot11MeshMaxRetries) +#define dot11MeshRetryTimeout(s) (s->u.sta.mshcfg.dot11MeshRetryTimeout) +#define dot11MeshConfirmTimeout(s) (s->u.sta.mshcfg.dot11MeshConfirmTimeout) +#define dot11MeshHoldingTimeout(s) (s->u.sta.mshcfg.dot11MeshHoldingTimeout) +#define dot11MeshMaxPeerLinks(s) (s->u.sta.mshcfg.dot11MeshMaxPeerLinks) + +enum plink_frame_type { + PLINK_OPEN = 0, + PLINK_CONFIRM, + PLINK_CLOSE +}; + +enum plink_event { + PLINK_UNDEFINED, + OPN_ACPT, + OPN_RJCT, + OPN_IGNR, + CNF_ACPT, + CNF_RJCT, + CNF_IGNR, + CLS_ACPT, + CLS_IGNR +}; + +static inline +void mesh_plink_inc_estab_count(struct ieee80211_sub_if_data *sdata) +{ + atomic_inc(&sdata->u.sta.mshstats.estab_plinks); + mesh_accept_plinks_update(sdata); +} + +static inline +void mesh_plink_dec_estab_count(struct ieee80211_sub_if_data *sdata) +{ + atomic_dec(&sdata->u.sta.mshstats.estab_plinks); + mesh_accept_plinks_update(sdata); +} + +/** + * mesh_plink_fsm_restart - restart a mesh peer link finite state machine + * + * @sta: mes peer link to restart + * + * Locking: this function must be called holding sta->plink_lock + */ +static inline void mesh_plink_fsm_restart(struct sta_info *sta) +{ + sta->plink_state = PLINK_LISTEN; + sta->llid = sta->plid = sta->reason = 0; + sta->plink_retries = 0; +} + +static struct sta_info *mesh_plink_alloc(struct ieee80211_sub_if_data *sdata, + u8 *hw_addr, u64 rates) +{ + struct ieee80211_local *local = sdata->local; + struct sta_info *sta; + + if (local->num_sta >= MESH_MAX_PLINKS) + return NULL; + + sta = sta_info_alloc(sdata, hw_addr, GFP_ATOMIC); + if (!sta) + return NULL; + + sta->flags |= WLAN_STA_AUTHORIZED; + sta->supp_rates[local->hw.conf.channel->band] = rates; + + return sta; +} + +/** + * mesh_plink_deactivate - deactivate mesh peer link + * + * @sta: mesh peer link to deactivate + * + * All mesh paths with this peer as next hop will be flushed + * + * Locking: the caller must hold sta->plink_lock + */ +static void __mesh_plink_deactivate(struct sta_info *sta) +{ + struct ieee80211_sub_if_data *sdata = sta->sdata; + + if (sta->plink_state == PLINK_ESTAB) + mesh_plink_dec_estab_count(sdata); + sta->plink_state = PLINK_BLOCKED; + mesh_path_flush_by_nexthop(sta); +} + +/** + * __mesh_plink_deactivate - deactivate mesh peer link + * + * @sta: mesh peer link to deactivate + * + * All mesh paths with this peer as next hop will be flushed + */ +void mesh_plink_deactivate(struct sta_info *sta) +{ + spin_lock_bh(&sta->plink_lock); + __mesh_plink_deactivate(sta); + spin_unlock_bh(&sta->plink_lock); +} + +static int mesh_plink_frame_tx(struct net_device *dev, + enum plink_frame_type action, u8 *da, __le16 llid, __le16 plid, + __le16 reason) { + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400); + struct ieee80211_mgmt *mgmt; + bool include_plid = false; + u8 *pos; + int ie_len; + + if (!skb) + return -1; + skb_reserve(skb, local->hw.extra_tx_headroom); + /* 25 is the size of the common mgmt part (24) plus the size of the + * common action part (1) + */ + mgmt = (struct ieee80211_mgmt *) + skb_put(skb, 25 + sizeof(mgmt->u.action.u.plink_action)); + memset(mgmt, 0, 25 + sizeof(mgmt->u.action.u.plink_action)); + mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT, + IEEE80211_STYPE_ACTION); + memcpy(mgmt->da, da, ETH_ALEN); + memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN); + /* BSSID is left zeroed, wildcard value */ + mgmt->u.action.category = PLINK_CATEGORY; + mgmt->u.action.u.plink_action.action_code = action; + + if (action == PLINK_CLOSE) + mgmt->u.action.u.plink_action.aux = reason; + else { + mgmt->u.action.u.plink_action.aux = cpu_to_le16(0x0); + if (action == PLINK_CONFIRM) { + pos = skb_put(skb, 4); + /* two-byte status code followed by two-byte AID */ + memset(pos, 0, 4); + } + mesh_mgmt_ies_add(skb, dev); + } + + /* Add Peer Link Management element */ + switch (action) { + case PLINK_OPEN: + ie_len = 3; + break; + case PLINK_CONFIRM: + ie_len = 5; + include_plid = true; + break; + case PLINK_CLOSE: + default: + if (!plid) + ie_len = 5; + else { + ie_len = 7; + include_plid = true; + } + break; + } + + pos = skb_put(skb, 2 + ie_len); + *pos++ = WLAN_EID_PEER_LINK; + *pos++ = ie_len; + *pos++ = action; + memcpy(pos, &llid, 2); + if (include_plid) { + pos += 2; + memcpy(pos, &plid, 2); + } + if (action == PLINK_CLOSE) { + pos += 2; + memcpy(pos, &reason, 2); + } + + ieee80211_sta_tx(dev, skb, 0); + return 0; +} + +void mesh_neighbour_update(u8 *hw_addr, u64 rates, struct net_device *dev, + bool peer_accepting_plinks) +{ + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct sta_info *sta; + + rcu_read_lock(); + + sta = sta_info_get(local, hw_addr); + if (!sta) { + sta = mesh_plink_alloc(sdata, hw_addr, rates); + if (!sta) { + rcu_read_unlock(); + return; + } + if (sta_info_insert(sta)) { + sta_info_destroy(sta); + rcu_read_unlock(); + return; + } + } + + sta->last_rx = jiffies; + sta->supp_rates[local->hw.conf.channel->band] = rates; + if (peer_accepting_plinks && sta->plink_state == PLINK_LISTEN && + sdata->u.sta.accepting_plinks && + sdata->u.sta.mshcfg.auto_open_plinks) + mesh_plink_open(sta); + + rcu_read_unlock(); +} + +static void mesh_plink_timer(unsigned long data) +{ + struct sta_info *sta; + __le16 llid, plid, reason; + struct net_device *dev = NULL; + struct ieee80211_sub_if_data *sdata; +#ifdef CONFIG_MAC80211_VERBOSE_MPL_DEBUG + DECLARE_MAC_BUF(mac); +#endif + + /* + * This STA is valid because sta_info_destroy() will + * del_timer_sync() this timer after having made sure + * it cannot be readded (by deleting the plink.) + */ + sta = (struct sta_info *) data; + + spin_lock_bh(&sta->plink_lock); + if (sta->ignore_plink_timer) { + sta->ignore_plink_timer = false; + spin_unlock_bh(&sta->plink_lock); + return; + } + mpl_dbg("Mesh plink timer for %s fired on state %d\n", + print_mac(mac, sta->addr), sta->plink_state); + reason = 0; + llid = sta->llid; + plid = sta->plid; + sdata = sta->sdata; + dev = sdata->dev; + + switch (sta->plink_state) { + case PLINK_OPN_RCVD: + case PLINK_OPN_SNT: + /* retry timer */ + if (sta->plink_retries < dot11MeshMaxRetries(sdata)) { + u32 rand; + mpl_dbg("Mesh plink for %s (retry, timeout): %d %d\n", + print_mac(mac, sta->addr), + sta->plink_retries, sta->plink_timeout); + get_random_bytes(&rand, sizeof(u32)); + sta->plink_timeout = sta->plink_timeout + + rand % sta->plink_timeout; + ++sta->plink_retries; + mod_plink_timer(sta, sta->plink_timeout); + spin_unlock_bh(&sta->plink_lock); + mesh_plink_frame_tx(dev, PLINK_OPEN, sta->addr, llid, + 0, 0); + break; + } + reason = cpu_to_le16(MESH_MAX_RETRIES); + /* fall through on else */ + case PLINK_CNF_RCVD: + /* confirm timer */ + if (!reason) + reason = cpu_to_le16(MESH_CONFIRM_TIMEOUT); + sta->plink_state = PLINK_HOLDING; + mod_plink_timer(sta, dot11MeshHoldingTimeout(sdata)); + spin_unlock_bh(&sta->plink_lock); + mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid, plid, + reason); + break; + case PLINK_HOLDING: + /* holding timer */ + del_timer(&sta->plink_timer); + mesh_plink_fsm_restart(sta); + spin_unlock_bh(&sta->plink_lock); + break; + default: + spin_unlock_bh(&sta->plink_lock); + break; + } +} + +static inline void mesh_plink_timer_set(struct sta_info *sta, int timeout) +{ + sta->plink_timer.expires = jiffies + (HZ * timeout / 1000); + sta->plink_timer.data = (unsigned long) sta; + sta->plink_timer.function = mesh_plink_timer; + sta->plink_timeout = timeout; + add_timer(&sta->plink_timer); +} + +int mesh_plink_open(struct sta_info *sta) +{ + __le16 llid; + struct ieee80211_sub_if_data *sdata = sta->sdata; +#ifdef CONFIG_MAC80211_VERBOSE_MPL_DEBUG + DECLARE_MAC_BUF(mac); +#endif + + spin_lock_bh(&sta->plink_lock); + get_random_bytes(&llid, 2); + sta->llid = llid; + if (sta->plink_state != PLINK_LISTEN) { + spin_unlock_bh(&sta->plink_lock); + return -EBUSY; + } + sta->plink_state = PLINK_OPN_SNT; + mesh_plink_timer_set(sta, dot11MeshRetryTimeout(sdata)); + spin_unlock_bh(&sta->plink_lock); + mpl_dbg("Mesh plink: starting establishment with %s\n", + print_mac(mac, sta->addr)); + + return mesh_plink_frame_tx(sdata->dev, PLINK_OPEN, + sta->addr, llid, 0, 0); +} + +void mesh_plink_block(struct sta_info *sta) +{ +#ifdef CONFIG_MAC80211_VERBOSE_MPL_DEBUG + DECLARE_MAC_BUF(mac); +#endif + + spin_lock_bh(&sta->plink_lock); + __mesh_plink_deactivate(sta); + sta->plink_state = PLINK_BLOCKED; + spin_unlock_bh(&sta->plink_lock); +} + +int mesh_plink_close(struct sta_info *sta) +{ + struct ieee80211_sub_if_data *sdata = sta->sdata; + __le16 llid, plid, reason; +#ifdef CONFIG_MAC80211_VERBOSE_MPL_DEBUG + DECLARE_MAC_BUF(mac); +#endif + + mpl_dbg("Mesh plink: closing link with %s\n", + print_mac(mac, sta->addr)); + spin_lock_bh(&sta->plink_lock); + sta->reason = cpu_to_le16(MESH_LINK_CANCELLED); + reason = sta->reason; + + if (sta->plink_state == PLINK_LISTEN || + sta->plink_state == PLINK_BLOCKED) { + mesh_plink_fsm_restart(sta); + spin_unlock_bh(&sta->plink_lock); + return 0; + } else if (sta->plink_state == PLINK_ESTAB) { + __mesh_plink_deactivate(sta); + /* The timer should not be running */ + mod_plink_timer(sta, dot11MeshHoldingTimeout(sdata)); + } else if (!mod_plink_timer(sta, dot11MeshHoldingTimeout(sdata))) + sta->ignore_plink_timer = true; + + sta->plink_state = PLINK_HOLDING; + llid = sta->llid; + plid = sta->plid; + spin_unlock_bh(&sta->plink_lock); + mesh_plink_frame_tx(sta->sdata->dev, PLINK_CLOSE, sta->addr, llid, + plid, reason); + return 0; +} + +void mesh_rx_plink_frame(struct net_device *dev, struct ieee80211_mgmt *mgmt, + size_t len, struct ieee80211_rx_status *rx_status) +{ + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = sdata->local; + struct ieee802_11_elems elems; + struct sta_info *sta; + enum plink_event event; + enum plink_frame_type ftype; + size_t baselen; + u8 ie_len; + u8 *baseaddr; + __le16 plid, llid, reason; +#ifdef CONFIG_MAC80211_VERBOSE_MPL_DEBUG + DECLARE_MAC_BUF(mac); +#endif + + if (is_multicast_ether_addr(mgmt->da)) { + mpl_dbg("Mesh plink: ignore frame from multicast address"); + return; + } + + baseaddr = mgmt->u.action.u.plink_action.variable; + baselen = (u8 *) mgmt->u.action.u.plink_action.variable - (u8 *) mgmt; + if (mgmt->u.action.u.plink_action.action_code == PLINK_CONFIRM) { + baseaddr += 4; + baselen -= 4; + } + ieee802_11_parse_elems(baseaddr, len - baselen, &elems); + if (!elems.peer_link) { + mpl_dbg("Mesh plink: missing necessary peer link ie\n"); + return; + } + + ftype = *((u8 *)PLINK_GET_FRAME_SUBTYPE(elems.peer_link)); + ie_len = elems.peer_link_len; + if ((ftype == PLINK_OPEN && ie_len != 3) || + (ftype == PLINK_CONFIRM && ie_len != 5) || + (ftype == PLINK_CLOSE && ie_len != 5 && ie_len != 7)) { + mpl_dbg("Mesh plink: incorrect plink ie length\n"); + return; + } + + if (ftype != PLINK_CLOSE && (!elems.mesh_id || !elems.mesh_config)) { + mpl_dbg("Mesh plink: missing necessary ie\n"); + return; + } + /* Note the lines below are correct, the llid in the frame is the plid + * from the point of view of this host. + */ + memcpy(&plid, PLINK_GET_LLID(elems.peer_link), 2); + if (ftype == PLINK_CONFIRM || (ftype == PLINK_CLOSE && ie_len == 7)) + memcpy(&llid, PLINK_GET_PLID(elems.peer_link), 2); + + rcu_read_lock(); + + sta = sta_info_get(local, mgmt->sa); + if (!sta && ftype != PLINK_OPEN) { + mpl_dbg("Mesh plink: cls or cnf from unknown peer\n"); + rcu_read_unlock(); + return; + } + + if (sta && sta->plink_state == PLINK_BLOCKED) { + rcu_read_unlock(); + return; + } + + /* Now we will figure out the appropriate event... */ + event = PLINK_UNDEFINED; + if (ftype != PLINK_CLOSE && (!mesh_matches_local(&elems, dev))) { + switch (ftype) { + case PLINK_OPEN: + event = OPN_RJCT; + break; + case PLINK_CONFIRM: + event = CNF_RJCT; + break; + case PLINK_CLOSE: + /* avoid warning */ + break; + } + spin_lock_bh(&sta->plink_lock); + } else if (!sta) { + /* ftype == PLINK_OPEN */ + u64 rates; + if (!mesh_plink_free_count(sdata)) { + mpl_dbg("Mesh plink error: no more free plinks\n"); + rcu_read_unlock(); + return; + } + + rates = ieee80211_sta_get_rates(local, &elems, rx_status->band); + sta = mesh_plink_alloc(sdata, mgmt->sa, rates); + if (!sta) { + mpl_dbg("Mesh plink error: plink table full\n"); + rcu_read_unlock(); + return; + } + if (sta_info_insert(sta)) { + sta_info_destroy(sta); + rcu_read_unlock(); + return; + } + event = OPN_ACPT; + spin_lock_bh(&sta->plink_lock); + } else { + spin_lock_bh(&sta->plink_lock); + switch (ftype) { + case PLINK_OPEN: + if (!mesh_plink_free_count(sdata) || + (sta->plid && sta->plid != plid)) + event = OPN_IGNR; + else + event = OPN_ACPT; + break; + case PLINK_CONFIRM: + if (!mesh_plink_free_count(sdata) || + (sta->llid != llid || sta->plid != plid)) + event = CNF_IGNR; + else + event = CNF_ACPT; + break; + case PLINK_CLOSE: + if (sta->plink_state == PLINK_ESTAB) + /* Do not check for llid or plid. This does not + * follow the standard but since multiple plinks + * per sta are not supported, it is necessary in + * order to avoid a livelock when MP A sees an + * establish peer link to MP B but MP B does not + * see it. This can be caused by a timeout in + * B's peer link establishment or B beign + * restarted. + */ + event = CLS_ACPT; + else if (sta->plid != plid) + event = CLS_IGNR; + else if (ie_len == 7 && sta->llid != llid) + event = CLS_IGNR; + else + event = CLS_ACPT; + break; + default: + mpl_dbg("Mesh plink: unknown frame subtype\n"); + spin_unlock_bh(&sta->plink_lock); + rcu_read_unlock(); + return; + } + } + + mpl_dbg("Mesh plink (peer, state, llid, plid, event): %s %d %d %d %d\n", + print_mac(mac, mgmt->sa), sta->plink_state, + le16_to_cpu(sta->llid), le16_to_cpu(sta->plid), + event); + reason = 0; + switch (sta->plink_state) { + /* spin_unlock as soon as state is updated at each case */ + case PLINK_LISTEN: + switch (event) { + case CLS_ACPT: + mesh_plink_fsm_restart(sta); + spin_unlock_bh(&sta->plink_lock); + break; + case OPN_ACPT: + sta->plink_state = PLINK_OPN_RCVD; + sta->plid = plid; + get_random_bytes(&llid, 2); + sta->llid = llid; + mesh_plink_timer_set(sta, dot11MeshRetryTimeout(sdata)); + spin_unlock_bh(&sta->plink_lock); + mesh_plink_frame_tx(dev, PLINK_OPEN, sta->addr, llid, + 0, 0); + mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, + llid, plid, 0); + break; + default: + spin_unlock_bh(&sta->plink_lock); + break; + } + break; + + case PLINK_OPN_SNT: + switch (event) { + case OPN_RJCT: + case CNF_RJCT: + reason = cpu_to_le16(MESH_CAPABILITY_POLICY_VIOLATION); + case CLS_ACPT: + if (!reason) + reason = cpu_to_le16(MESH_CLOSE_RCVD); + sta->reason = reason; + sta->plink_state = PLINK_HOLDING; + if (!mod_plink_timer(sta, + dot11MeshHoldingTimeout(sdata))) + sta->ignore_plink_timer = true; + + llid = sta->llid; + spin_unlock_bh(&sta->plink_lock); + mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid, + plid, reason); + break; + case OPN_ACPT: + /* retry timer is left untouched */ + sta->plink_state = PLINK_OPN_RCVD; + sta->plid = plid; + llid = sta->llid; + spin_unlock_bh(&sta->plink_lock); + mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, llid, + plid, 0); + break; + case CNF_ACPT: + sta->plink_state = PLINK_CNF_RCVD; + if (!mod_plink_timer(sta, + dot11MeshConfirmTimeout(sdata))) + sta->ignore_plink_timer = true; + + spin_unlock_bh(&sta->plink_lock); + break; + default: + spin_unlock_bh(&sta->plink_lock); + break; + } + break; + + case PLINK_OPN_RCVD: + switch (event) { + case OPN_RJCT: + case CNF_RJCT: + reason = cpu_to_le16(MESH_CAPABILITY_POLICY_VIOLATION); + case CLS_ACPT: + if (!reason) + reason = cpu_to_le16(MESH_CLOSE_RCVD); + sta->reason = reason; + sta->plink_state = PLINK_HOLDING; + if (!mod_plink_timer(sta, + dot11MeshHoldingTimeout(sdata))) + sta->ignore_plink_timer = true; + + llid = sta->llid; + spin_unlock_bh(&sta->plink_lock); + mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid, + plid, reason); + break; + case OPN_ACPT: + llid = sta->llid; + spin_unlock_bh(&sta->plink_lock); + mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, llid, + plid, 0); + break; + case CNF_ACPT: + del_timer(&sta->plink_timer); + sta->plink_state = PLINK_ESTAB; + mesh_plink_inc_estab_count(sdata); + spin_unlock_bh(&sta->plink_lock); + mpl_dbg("Mesh plink with %s ESTABLISHED\n", + print_mac(mac, sta->addr)); + break; + default: + spin_unlock_bh(&sta->plink_lock); + break; + } + break; + + case PLINK_CNF_RCVD: + switch (event) { + case OPN_RJCT: + case CNF_RJCT: + reason = cpu_to_le16(MESH_CAPABILITY_POLICY_VIOLATION); + case CLS_ACPT: + if (!reason) + reason = cpu_to_le16(MESH_CLOSE_RCVD); + sta->reason = reason; + sta->plink_state = PLINK_HOLDING; + if (!mod_plink_timer(sta, + dot11MeshHoldingTimeout(sdata))) + sta->ignore_plink_timer = true; + + llid = sta->llid; + spin_unlock_bh(&sta->plink_lock); + mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid, + plid, reason); + break; + case OPN_ACPT: + del_timer(&sta->plink_timer); + sta->plink_state = PLINK_ESTAB; + mesh_plink_inc_estab_count(sdata); + spin_unlock_bh(&sta->plink_lock); + mpl_dbg("Mesh plink with %s ESTABLISHED\n", + print_mac(mac, sta->addr)); + mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, llid, + plid, 0); + break; + default: + spin_unlock_bh(&sta->plink_lock); + break; + } + break; + + case PLINK_ESTAB: + switch (event) { + case CLS_ACPT: + reason = cpu_to_le16(MESH_CLOSE_RCVD); + sta->reason = reason; + __mesh_plink_deactivate(sta); + sta->plink_state = PLINK_HOLDING; + llid = sta->llid; + mod_plink_timer(sta, dot11MeshHoldingTimeout(sdata)); + spin_unlock_bh(&sta->plink_lock); + mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid, + plid, reason); + break; + case OPN_ACPT: + llid = sta->llid; + spin_unlock_bh(&sta->plink_lock); + mesh_plink_frame_tx(dev, PLINK_CONFIRM, sta->addr, llid, + plid, 0); + break; + default: + spin_unlock_bh(&sta->plink_lock); + break; + } + break; + case PLINK_HOLDING: + switch (event) { + case CLS_ACPT: + if (del_timer(&sta->plink_timer)) + sta->ignore_plink_timer = 1; + mesh_plink_fsm_restart(sta); + spin_unlock_bh(&sta->plink_lock); + break; + case OPN_ACPT: + case CNF_ACPT: + case OPN_RJCT: + case CNF_RJCT: + llid = sta->llid; + reason = sta->reason; + spin_unlock_bh(&sta->plink_lock); + mesh_plink_frame_tx(dev, PLINK_CLOSE, sta->addr, llid, + plid, reason); + break; + default: + spin_unlock_bh(&sta->plink_lock); + } + break; + default: + /* should not get here, PLINK_BLOCKED is dealt with at the + * beggining of the function + */ + spin_unlock_bh(&sta->plink_lock); + break; + } + + rcu_read_unlock(); +} diff --git a/net/mac80211/rc80211_pid_algo.c b/net/mac80211/rc80211_pid_algo.c index 9762803e4876..a1993161de99 100644 --- a/net/mac80211/rc80211_pid_algo.c +++ b/net/mac80211/rc80211_pid_algo.c @@ -15,7 +15,7 @@ #include <linux/debugfs.h> #include <net/mac80211.h> #include "ieee80211_rate.h" - +#include "mesh.h" #include "rc80211_pid.h" @@ -77,7 +77,7 @@ static void rate_control_pid_adjust_rate(struct ieee80211_local *local, int cur_sorted, new_sorted, probe, tmp, n_bitrates, band; int cur = sta->txrate_idx; - sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev); + sdata = sta->sdata; sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; band = sband->band; n_bitrates = sband->n_bitrates; @@ -148,6 +148,9 @@ static void rate_control_pid_sample(struct rc_pid_info *pinfo, struct ieee80211_local *local, struct sta_info *sta) { +#ifdef CONFIG_MAC80211_MESH + struct ieee80211_sub_if_data *sdata = sta->sdata; +#endif struct rc_pid_sta_info *spinfo = sta->rate_ctrl_priv; struct rc_pid_rateinfo *rinfo = pinfo->rinfo; struct ieee80211_supported_band *sband; @@ -178,7 +181,14 @@ static void rate_control_pid_sample(struct rc_pid_info *pinfo, pf = spinfo->last_pf; else { pf = spinfo->tx_num_failed * 100 / spinfo->tx_num_xmit; +#ifdef CONFIG_MAC80211_MESH + if (pf == 100 && + sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT) + mesh_plink_broken(sta); +#endif pf <<= RC_PID_ARITH_SHIFT; + sta->fail_avg = ((pf + (spinfo->last_pf << 3)) / 9) + >> RC_PID_ARITH_SHIFT; } spinfo->tx_num_xmit = 0; @@ -239,23 +249,25 @@ static void rate_control_pid_tx_status(void *priv, struct net_device *dev, unsigned long period; struct ieee80211_supported_band *sband; + rcu_read_lock(); + sta = sta_info_get(local, hdr->addr1); sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; if (!sta) - return; + goto unlock; /* Don't update the state if we're not controlling the rate. */ - sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev); + sdata = sta->sdata; if (sdata->bss && sdata->bss->force_unicast_rateidx > -1) { sta->txrate_idx = sdata->bss->max_ratectrl_rateidx; - return; + goto unlock; } /* Ignore all frames that were sent with a different rate than the rate * we currently advise mac80211 to use. */ if (status->control.tx_rate != &sband->bitrates[sta->txrate_idx]) - goto ignore; + goto unlock; spinfo = sta->rate_ctrl_priv; spinfo->tx_num_xmit++; @@ -293,8 +305,8 @@ static void rate_control_pid_tx_status(void *priv, struct net_device *dev, if (time_after(jiffies, spinfo->last_sample + period)) rate_control_pid_sample(pinfo, local, sta); -ignore: - sta_info_put(sta); + unlock: + rcu_read_unlock(); } static void rate_control_pid_get_rate(void *priv, struct net_device *dev, @@ -309,6 +321,8 @@ static void rate_control_pid_get_rate(void *priv, struct net_device *dev, int rateidx; u16 fc; + rcu_read_lock(); + sta = sta_info_get(local, hdr->addr1); /* Send management frames and broadcast/multicast data using lowest @@ -317,8 +331,7 @@ static void rate_control_pid_get_rate(void *priv, struct net_device *dev, if ((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA || is_multicast_ether_addr(hdr->addr1) || !sta) { sel->rate = rate_lowest(local, sband, sta); - if (sta) - sta_info_put(sta); + rcu_read_unlock(); return; } @@ -334,7 +347,7 @@ static void rate_control_pid_get_rate(void *priv, struct net_device *dev, sta->last_txrate_idx = rateidx; - sta_info_put(sta); + rcu_read_unlock(); sel->rate = &sband->bitrates[rateidx]; @@ -357,6 +370,7 @@ static void rate_control_pid_rate_init(void *priv, void *priv_sta, sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; sta->txrate_idx = rate_lowest_index(local, sband, sta); + sta->fail_avg = 0; } static void *rate_control_pid_alloc(struct ieee80211_local *local) diff --git a/net/mac80211/rc80211_simple.c b/net/mac80211/rc80211_simple.c index bcc541d4b95c..4f72fdca7f12 100644 --- a/net/mac80211/rc80211_simple.c +++ b/net/mac80211/rc80211_simple.c @@ -40,7 +40,7 @@ static void rate_control_rate_inc(struct ieee80211_local *local, int i = sta->txrate_idx; int maxrate; - sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev); + sdata = sta->sdata; if (sdata->bss && sdata->bss->force_unicast_rateidx > -1) { /* forced unicast rate - do not change STA rate */ return; @@ -70,7 +70,7 @@ static void rate_control_rate_dec(struct ieee80211_local *local, struct ieee80211_supported_band *sband; int i = sta->txrate_idx; - sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev); + sdata = sta->sdata; if (sdata->bss && sdata->bss->force_unicast_rateidx > -1) { /* forced unicast rate - do not change STA rate */ return; @@ -118,10 +118,12 @@ static void rate_control_simple_tx_status(void *priv, struct net_device *dev, struct sta_info *sta; struct sta_rate_control *srctrl; + rcu_read_lock(); + sta = sta_info_get(local, hdr->addr1); if (!sta) - return; + goto unlock; srctrl = sta->rate_ctrl_priv; srctrl->tx_num_xmit++; @@ -191,7 +193,8 @@ static void rate_control_simple_tx_status(void *priv, struct net_device *dev, } } - sta_info_put(sta); + unlock: + rcu_read_unlock(); } @@ -208,6 +211,8 @@ rate_control_simple_get_rate(void *priv, struct net_device *dev, int rateidx; u16 fc; + rcu_read_lock(); + sta = sta_info_get(local, hdr->addr1); /* Send management frames and broadcast/multicast data using lowest @@ -216,8 +221,7 @@ rate_control_simple_get_rate(void *priv, struct net_device *dev, if ((fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA || is_multicast_ether_addr(hdr->addr1) || !sta) { sel->rate = rate_lowest(local, sband, sta); - if (sta) - sta_info_put(sta); + rcu_read_unlock(); return; } @@ -233,7 +237,7 @@ rate_control_simple_get_rate(void *priv, struct net_device *dev, sta->last_txrate_idx = rateidx; - sta_info_put(sta); + rcu_read_unlock(); sel->rate = &sband->bitrates[rateidx]; } diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 48574f6c0e74..644d2774469d 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -20,6 +20,7 @@ #include "ieee80211_i.h" #include "ieee80211_led.h" +#include "mesh.h" #include "wep.h" #include "wpa.h" #include "tkip.h" @@ -250,7 +251,7 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb, } -static void ieee80211_parse_qos(struct ieee80211_txrx_data *rx) +static void ieee80211_parse_qos(struct ieee80211_rx_data *rx) { u8 *data = rx->skb->data; int tid; @@ -261,9 +262,9 @@ static void ieee80211_parse_qos(struct ieee80211_txrx_data *rx) /* frame has qos control */ tid = qc[0] & QOS_CONTROL_TID_MASK; if (qc[0] & IEEE80211_QOS_CONTROL_A_MSDU_PRESENT) - rx->flags |= IEEE80211_TXRXD_RX_AMSDU; + rx->flags |= IEEE80211_RX_AMSDU; else - rx->flags &= ~IEEE80211_TXRXD_RX_AMSDU; + rx->flags &= ~IEEE80211_RX_AMSDU; } else { if (unlikely((rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT)) { /* Separate TID for management frames */ @@ -279,13 +280,13 @@ static void ieee80211_parse_qos(struct ieee80211_txrx_data *rx) if (rx->sta) I802_DEBUG_INC(rx->sta->wme_rx_queue[tid]); - rx->u.rx.queue = tid; + rx->queue = tid; /* Set skb->priority to 1d tag if highest order bit of TID is not set. * For now, set skb->priority to 0 for other cases. */ rx->skb->priority = (tid > 7) ? 0 : tid; } -static void ieee80211_verify_ip_alignment(struct ieee80211_txrx_data *rx) +static void ieee80211_verify_ip_alignment(struct ieee80211_rx_data *rx) { #ifdef CONFIG_MAC80211_DEBUG_PACKET_ALIGNMENT int hdrlen; @@ -313,7 +314,7 @@ static void ieee80211_verify_ip_alignment(struct ieee80211_txrx_data *rx) * to move the 802.11 header further back in that case. */ hdrlen = ieee80211_get_hdrlen(rx->fc); - if (rx->flags & IEEE80211_TXRXD_RX_AMSDU) + if (rx->flags & IEEE80211_RX_AMSDU) hdrlen += ETH_HLEN; WARN_ON_ONCE(((unsigned long)(rx->skb->data + hdrlen)) & 3); #endif @@ -356,32 +357,32 @@ static u32 ieee80211_rx_load_stats(struct ieee80211_local *local, /* rx handlers */ static ieee80211_rx_result -ieee80211_rx_h_if_stats(struct ieee80211_txrx_data *rx) +ieee80211_rx_h_if_stats(struct ieee80211_rx_data *rx) { if (rx->sta) - rx->sta->channel_use_raw += rx->u.rx.load; - rx->sdata->channel_use_raw += rx->u.rx.load; + rx->sta->channel_use_raw += rx->load; + rx->sdata->channel_use_raw += rx->load; return RX_CONTINUE; } static ieee80211_rx_result -ieee80211_rx_h_passive_scan(struct ieee80211_txrx_data *rx) +ieee80211_rx_h_passive_scan(struct ieee80211_rx_data *rx) { struct ieee80211_local *local = rx->local; struct sk_buff *skb = rx->skb; if (unlikely(local->sta_hw_scanning)) - return ieee80211_sta_rx_scan(rx->dev, skb, rx->u.rx.status); + return ieee80211_sta_rx_scan(rx->dev, skb, rx->status); if (unlikely(local->sta_sw_scanning)) { /* drop all the other packets during a software scan anyway */ - if (ieee80211_sta_rx_scan(rx->dev, skb, rx->u.rx.status) + if (ieee80211_sta_rx_scan(rx->dev, skb, rx->status) != RX_QUEUED) dev_kfree_skb(skb); return RX_QUEUED; } - if (unlikely(rx->flags & IEEE80211_TXRXD_RXIN_SCAN)) { + if (unlikely(rx->flags & IEEE80211_RX_IN_SCAN)) { /* scanning finished during invoking of handlers */ I802_DEBUG_INC(local->rx_handlers_drop_passive_scan); return RX_DROP_UNUSABLE; @@ -391,23 +392,75 @@ ieee80211_rx_h_passive_scan(struct ieee80211_txrx_data *rx) } static ieee80211_rx_result -ieee80211_rx_h_check(struct ieee80211_txrx_data *rx) +ieee80211_rx_mesh_check(struct ieee80211_rx_data *rx) +{ + int hdrlen = ieee80211_get_hdrlen(rx->fc); + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data; + +#define msh_h_get(h, l) ((struct ieee80211s_hdr *) ((u8 *)h + l)) + + if ((rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) { + if (!((rx->fc & IEEE80211_FCTL_FROMDS) && + (rx->fc & IEEE80211_FCTL_TODS))) + return RX_DROP_MONITOR; + if (memcmp(hdr->addr4, rx->dev->dev_addr, ETH_ALEN) == 0) + return RX_DROP_MONITOR; + } + + /* If there is not an established peer link and this is not a peer link + * establisment frame, beacon or probe, drop the frame. + */ + + if (!rx->sta || sta_plink_state(rx->sta) != PLINK_ESTAB) { + struct ieee80211_mgmt *mgmt; + + if ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT) + return RX_DROP_MONITOR; + + switch (rx->fc & IEEE80211_FCTL_STYPE) { + case IEEE80211_STYPE_ACTION: + mgmt = (struct ieee80211_mgmt *)hdr; + if (mgmt->u.action.category != PLINK_CATEGORY) + return RX_DROP_MONITOR; + /* fall through on else */ + case IEEE80211_STYPE_PROBE_REQ: + case IEEE80211_STYPE_PROBE_RESP: + case IEEE80211_STYPE_BEACON: + return RX_CONTINUE; + break; + default: + return RX_DROP_MONITOR; + } + + } else if ((rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA && + is_broadcast_ether_addr(hdr->addr1) && + mesh_rmc_check(hdr->addr4, msh_h_get(hdr, hdrlen), rx->dev)) + return RX_DROP_MONITOR; +#undef msh_h_get + + return RX_CONTINUE; +} + + +static ieee80211_rx_result +ieee80211_rx_h_check(struct ieee80211_rx_data *rx) { struct ieee80211_hdr *hdr; + hdr = (struct ieee80211_hdr *) rx->skb->data; /* Drop duplicate 802.11 retransmissions (IEEE 802.11 Chap. 9.2.9) */ if (rx->sta && !is_multicast_ether_addr(hdr->addr1)) { if (unlikely(rx->fc & IEEE80211_FCTL_RETRY && - rx->sta->last_seq_ctrl[rx->u.rx.queue] == + rx->sta->last_seq_ctrl[rx->queue] == hdr->seq_ctrl)) { - if (rx->flags & IEEE80211_TXRXD_RXRA_MATCH) { + if (rx->flags & IEEE80211_RX_RA_MATCH) { rx->local->dot11FrameDuplicateCount++; rx->sta->num_duplicates++; } return RX_DROP_MONITOR; } else - rx->sta->last_seq_ctrl[rx->u.rx.queue] = hdr->seq_ctrl; + rx->sta->last_seq_ctrl[rx->queue] = hdr->seq_ctrl; } if (unlikely(rx->skb->len < 16)) { @@ -423,6 +476,10 @@ ieee80211_rx_h_check(struct ieee80211_txrx_data *rx) * deauth/disassoc frames when needed. In addition, hostapd is * responsible for filtering on both auth and assoc states. */ + + if (ieee80211_vif_is_mesh(&rx->sdata->vif)) + return ieee80211_rx_mesh_check(rx); + if (unlikely(((rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA || ((rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_CTL && (rx->fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_PSPOLL)) && @@ -431,7 +488,7 @@ ieee80211_rx_h_check(struct ieee80211_txrx_data *rx) if ((!(rx->fc & IEEE80211_FCTL_FROMDS) && !(rx->fc & IEEE80211_FCTL_TODS) && (rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) - || !(rx->flags & IEEE80211_TXRXD_RXRA_MATCH)) { + || !(rx->flags & IEEE80211_RX_RA_MATCH)) { /* Drop IBSS frames and frames for other hosts * silently. */ return RX_DROP_MONITOR; @@ -445,7 +502,7 @@ ieee80211_rx_h_check(struct ieee80211_txrx_data *rx) static ieee80211_rx_result -ieee80211_rx_h_decrypt(struct ieee80211_txrx_data *rx) +ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data; int keyidx; @@ -486,7 +543,7 @@ ieee80211_rx_h_decrypt(struct ieee80211_txrx_data *rx) * No point in finding a key and decrypting if the frame is neither * addressed to us nor a multicast frame. */ - if (!(rx->flags & IEEE80211_TXRXD_RXRA_MATCH)) + if (!(rx->flags & IEEE80211_RX_RA_MATCH)) return RX_CONTINUE; if (rx->sta) @@ -504,8 +561,8 @@ ieee80211_rx_h_decrypt(struct ieee80211_txrx_data *rx) * we somehow allow the driver to tell us which key * the hardware used if this flag is set? */ - if ((rx->u.rx.status->flag & RX_FLAG_DECRYPTED) && - (rx->u.rx.status->flag & RX_FLAG_IV_STRIPPED)) + if ((rx->status->flag & RX_FLAG_DECRYPTED) && + (rx->status->flag & RX_FLAG_IV_STRIPPED)) return RX_CONTINUE; hdrlen = ieee80211_get_hdrlen(rx->fc); @@ -546,8 +603,8 @@ ieee80211_rx_h_decrypt(struct ieee80211_txrx_data *rx) /* Check for weak IVs if possible */ if (rx->sta && rx->key->conf.alg == ALG_WEP && ((rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) && - (!(rx->u.rx.status->flag & RX_FLAG_IV_STRIPPED) || - !(rx->u.rx.status->flag & RX_FLAG_DECRYPTED)) && + (!(rx->status->flag & RX_FLAG_IV_STRIPPED) || + !(rx->status->flag & RX_FLAG_DECRYPTED)) && ieee80211_wep_is_weak_iv(rx->skb, rx->key)) rx->sta->wep_weak_iv_count++; @@ -564,7 +621,7 @@ ieee80211_rx_h_decrypt(struct ieee80211_txrx_data *rx) } /* either the frame has been decrypted or will be dropped */ - rx->u.rx.status->flag |= RX_FLAG_DECRYPTED; + rx->status->flag |= RX_FLAG_DECRYPTED; return result; } @@ -574,7 +631,7 @@ static void ap_sta_ps_start(struct net_device *dev, struct sta_info *sta) struct ieee80211_sub_if_data *sdata; DECLARE_MAC_BUF(mac); - sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev); + sdata = sta->sdata; if (sdata->bss) atomic_inc(&sdata->bss->num_sta_ps); @@ -595,7 +652,7 @@ static int ap_sta_ps_end(struct net_device *dev, struct sta_info *sta) struct ieee80211_tx_packet_data *pkt_data; DECLARE_MAC_BUF(mac); - sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev); + sdata = sta->sdata; if (sdata->bss) atomic_dec(&sdata->bss->num_sta_ps); @@ -634,7 +691,7 @@ static int ap_sta_ps_end(struct net_device *dev, struct sta_info *sta) } static ieee80211_rx_result -ieee80211_rx_h_sta_process(struct ieee80211_txrx_data *rx) +ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx) { struct sta_info *sta = rx->sta; struct net_device *dev = rx->dev; @@ -657,24 +714,26 @@ ieee80211_rx_h_sta_process(struct ieee80211_txrx_data *rx) /* Update last_rx only for unicast frames in order to prevent * the Probe Request frames (the only broadcast frames from a * STA in infrastructure mode) from keeping a connection alive. + * Mesh beacons will update last_rx when if they are found to + * match the current local configuration when processed. */ sta->last_rx = jiffies; } - if (!(rx->flags & IEEE80211_TXRXD_RXRA_MATCH)) + if (!(rx->flags & IEEE80211_RX_RA_MATCH)) return RX_CONTINUE; sta->rx_fragments++; sta->rx_bytes += rx->skb->len; - sta->last_rssi = rx->u.rx.status->ssi; - sta->last_signal = rx->u.rx.status->signal; - sta->last_noise = rx->u.rx.status->noise; + sta->last_rssi = rx->status->ssi; + sta->last_signal = rx->status->signal; + sta->last_noise = rx->status->noise; if (!(rx->fc & IEEE80211_FCTL_MOREFRAGS)) { /* Change STA power saving mode only in the end of a frame * exchange sequence */ if ((sta->flags & WLAN_STA_PS) && !(rx->fc & IEEE80211_FCTL_PM)) - rx->u.rx.sent_ps_buffered += ap_sta_ps_end(dev, sta); + rx->sent_ps_buffered += ap_sta_ps_end(dev, sta); else if (!(sta->flags & WLAN_STA_PS) && (rx->fc & IEEE80211_FCTL_PM)) ap_sta_ps_start(dev, sta); @@ -779,7 +838,7 @@ ieee80211_reassemble_find(struct ieee80211_sub_if_data *sdata, } static ieee80211_rx_result -ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx) +ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx) { struct ieee80211_hdr *hdr; u16 sc; @@ -805,14 +864,14 @@ ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx) if (frag == 0) { /* This is the first fragment of a new frame. */ entry = ieee80211_reassemble_add(rx->sdata, frag, seq, - rx->u.rx.queue, &(rx->skb)); + rx->queue, &(rx->skb)); if (rx->key && rx->key->conf.alg == ALG_CCMP && (rx->fc & IEEE80211_FCTL_PROTECTED)) { /* Store CCMP PN so that we can verify that the next * fragment has a sequential PN value. */ entry->ccmp = 1; memcpy(entry->last_pn, - rx->key->u.ccmp.rx_pn[rx->u.rx.queue], + rx->key->u.ccmp.rx_pn[rx->queue], CCMP_PN_LEN); } return RX_QUEUED; @@ -822,7 +881,7 @@ ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx) * fragment cache. Add this fragment to the end of the pending entry. */ entry = ieee80211_reassemble_find(rx->sdata, rx->fc, frag, seq, - rx->u.rx.queue, hdr); + rx->queue, hdr); if (!entry) { I802_DEBUG_INC(rx->local->rx_handlers_drop_defrag); return RX_DROP_MONITOR; @@ -841,7 +900,7 @@ ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx) if (pn[i]) break; } - rpn = rx->key->u.ccmp.rx_pn[rx->u.rx.queue]; + rpn = rx->key->u.ccmp.rx_pn[rx->queue]; if (memcmp(pn, rpn, CCMP_PN_LEN) != 0) { if (net_ratelimit()) printk(KERN_DEBUG "%s: defrag: CCMP PN not " @@ -882,7 +941,7 @@ ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx) } /* Complete frame has been reassembled - process it now */ - rx->flags |= IEEE80211_TXRXD_FRAGMENTED; + rx->flags |= IEEE80211_RX_FRAGMENTED; out: if (rx->sta) @@ -895,7 +954,7 @@ ieee80211_rx_h_defragment(struct ieee80211_txrx_data *rx) } static ieee80211_rx_result -ieee80211_rx_h_ps_poll(struct ieee80211_txrx_data *rx) +ieee80211_rx_h_ps_poll(struct ieee80211_rx_data *rx) { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev); struct sk_buff *skb; @@ -905,7 +964,7 @@ ieee80211_rx_h_ps_poll(struct ieee80211_txrx_data *rx) if (likely(!rx->sta || (rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_CTL || (rx->fc & IEEE80211_FCTL_STYPE) != IEEE80211_STYPE_PSPOLL || - !(rx->flags & IEEE80211_TXRXD_RXRA_MATCH))) + !(rx->flags & IEEE80211_RX_RA_MATCH))) return RX_CONTINUE; if ((sdata->vif.type != IEEE80211_IF_TYPE_AP) && @@ -949,7 +1008,7 @@ ieee80211_rx_h_ps_poll(struct ieee80211_txrx_data *rx) if (no_pending_pkts) sta_info_clear_tim_bit(rx->sta); #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG - } else if (!rx->u.rx.sent_ps_buffered) { + } else if (!rx->sent_ps_buffered) { /* * FIXME: This can be the result of a race condition between * us expiring a frame and the station polling for it. @@ -970,7 +1029,7 @@ ieee80211_rx_h_ps_poll(struct ieee80211_txrx_data *rx) } static ieee80211_rx_result -ieee80211_rx_h_remove_qos_control(struct ieee80211_txrx_data *rx) +ieee80211_rx_h_remove_qos_control(struct ieee80211_rx_data *rx) { u16 fc = rx->fc; u8 *data = rx->skb->data; @@ -990,7 +1049,7 @@ ieee80211_rx_h_remove_qos_control(struct ieee80211_txrx_data *rx) } static int -ieee80211_802_1x_port_control(struct ieee80211_txrx_data *rx) +ieee80211_802_1x_port_control(struct ieee80211_rx_data *rx) { if (unlikely(!rx->sta || !(rx->sta->flags & WLAN_STA_AUTHORIZED))) { #ifdef CONFIG_MAC80211_DEBUG @@ -1005,13 +1064,13 @@ ieee80211_802_1x_port_control(struct ieee80211_txrx_data *rx) } static int -ieee80211_drop_unencrypted(struct ieee80211_txrx_data *rx) +ieee80211_drop_unencrypted(struct ieee80211_rx_data *rx) { /* * Pass through unencrypted frames if the hardware has * decrypted them already. */ - if (rx->u.rx.status->flag & RX_FLAG_DECRYPTED) + if (rx->status->flag & RX_FLAG_DECRYPTED) return 0; /* Drop unencrypted frames if key is set. */ @@ -1028,7 +1087,7 @@ ieee80211_drop_unencrypted(struct ieee80211_txrx_data *rx) } static int -ieee80211_data_to_8023(struct ieee80211_txrx_data *rx) +ieee80211_data_to_8023(struct ieee80211_rx_data *rx) { struct net_device *dev = rx->dev; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data; @@ -1050,6 +1109,21 @@ ieee80211_data_to_8023(struct ieee80211_txrx_data *rx) hdrlen = ieee80211_get_hdrlen(fc); + if (ieee80211_vif_is_mesh(&sdata->vif)) { + int meshhdrlen = ieee80211_get_mesh_hdrlen( + (struct ieee80211s_hdr *) (skb->data + hdrlen)); + /* Copy on cb: + * - mesh header: to be used for mesh forwarding + * decision. It will also be used as mesh header template at + * tx.c:ieee80211_subif_start_xmit() if interface + * type is mesh and skb->pkt_type == PACKET_OTHERHOST + * - ta: to be used if a RERR needs to be sent. + */ + memcpy(skb->cb, skb->data + hdrlen, meshhdrlen); + memcpy(MESH_PREQ(skb), hdr->addr2, ETH_ALEN); + hdrlen += meshhdrlen; + } + /* convert IEEE 802.11 header + possible LLC headers into Ethernet * header * IEEE 802.11 address fields: @@ -1083,9 +1157,10 @@ ieee80211_data_to_8023(struct ieee80211_txrx_data *rx) memcpy(dst, hdr->addr3, ETH_ALEN); memcpy(src, hdr->addr4, ETH_ALEN); - if (unlikely(sdata->vif.type != IEEE80211_IF_TYPE_WDS)) { - if (net_ratelimit()) - printk(KERN_DEBUG "%s: dropped FromDS&ToDS " + if (unlikely(sdata->vif.type != IEEE80211_IF_TYPE_WDS && + sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT)) { + if (net_ratelimit()) + printk(KERN_DEBUG "%s: dropped FromDS&ToDS " "frame (RA=%s TA=%s DA=%s SA=%s)\n", rx->dev->name, print_mac(mac, hdr->addr1), @@ -1160,7 +1235,7 @@ ieee80211_data_to_8023(struct ieee80211_txrx_data *rx) /* * requires that rx->skb is a frame with ethernet header */ -static bool ieee80211_frame_allowed(struct ieee80211_txrx_data *rx) +static bool ieee80211_frame_allowed(struct ieee80211_rx_data *rx) { static const u8 pae_group_addr[ETH_ALEN] = { 0x01, 0x80, 0xC2, 0x00, 0x00, 0x03 }; @@ -1186,7 +1261,7 @@ static bool ieee80211_frame_allowed(struct ieee80211_txrx_data *rx) * requires that rx->skb is a frame with ethernet header */ static void -ieee80211_deliver_skb(struct ieee80211_txrx_data *rx) +ieee80211_deliver_skb(struct ieee80211_rx_data *rx) { struct net_device *dev = rx->dev; struct ieee80211_local *local = rx->local; @@ -1200,7 +1275,7 @@ ieee80211_deliver_skb(struct ieee80211_txrx_data *rx) if (local->bridge_packets && (sdata->vif.type == IEEE80211_IF_TYPE_AP || sdata->vif.type == IEEE80211_IF_TYPE_VLAN) && - (rx->flags & IEEE80211_TXRXD_RXRA_MATCH)) { + (rx->flags & IEEE80211_RX_RA_MATCH)) { if (is_multicast_ether_addr(ehdr->h_dest)) { /* * send multicast frames both to higher layers in @@ -1212,7 +1287,7 @@ ieee80211_deliver_skb(struct ieee80211_txrx_data *rx) "multicast frame\n", dev->name); } else { dsta = sta_info_get(local, skb->data); - if (dsta && dsta->dev == dev) { + if (dsta && dsta->sdata->dev == dev) { /* * The destination station is associated to * this AP (in this VLAN), so send the frame @@ -1222,8 +1297,38 @@ ieee80211_deliver_skb(struct ieee80211_txrx_data *rx) xmit_skb = skb; skb = NULL; } - if (dsta) - sta_info_put(dsta); + } + } + + /* Mesh forwarding */ + if (ieee80211_vif_is_mesh(&sdata->vif)) { + u8 *mesh_ttl = &((struct ieee80211s_hdr *)skb->cb)->ttl; + (*mesh_ttl)--; + + if (is_multicast_ether_addr(skb->data)) { + if (*mesh_ttl > 0) { + xmit_skb = skb_copy(skb, GFP_ATOMIC); + if (!xmit_skb && net_ratelimit()) + printk(KERN_DEBUG "%s: failed to clone " + "multicast frame\n", dev->name); + else + xmit_skb->pkt_type = PACKET_OTHERHOST; + } else + IEEE80211_IFSTA_MESH_CTR_INC(&sdata->u.sta, + dropped_frames_ttl); + } else if (skb->pkt_type != PACKET_OTHERHOST && + compare_ether_addr(dev->dev_addr, skb->data) != 0) { + if (*mesh_ttl == 0) { + IEEE80211_IFSTA_MESH_CTR_INC(&sdata->u.sta, + dropped_frames_ttl); + dev_kfree_skb(skb); + skb = NULL; + } else { + xmit_skb = skb; + xmit_skb->pkt_type = PACKET_OTHERHOST; + if (!(dev->flags & IFF_PROMISC)) + skb = NULL; + } } } @@ -1244,7 +1349,7 @@ ieee80211_deliver_skb(struct ieee80211_txrx_data *rx) } static ieee80211_rx_result -ieee80211_rx_h_amsdu(struct ieee80211_txrx_data *rx) +ieee80211_rx_h_amsdu(struct ieee80211_rx_data *rx) { struct net_device *dev = rx->dev; struct ieee80211_local *local = rx->local; @@ -1264,7 +1369,7 @@ ieee80211_rx_h_amsdu(struct ieee80211_txrx_data *rx) if (unlikely(!WLAN_FC_DATA_PRESENT(fc))) return RX_DROP_MONITOR; - if (!(rx->flags & IEEE80211_TXRXD_RX_AMSDU)) + if (!(rx->flags & IEEE80211_RX_AMSDU)) return RX_CONTINUE; err = ieee80211_data_to_8023(rx); @@ -1361,7 +1466,7 @@ ieee80211_rx_h_amsdu(struct ieee80211_txrx_data *rx) } static ieee80211_rx_result -ieee80211_rx_h_data(struct ieee80211_txrx_data *rx) +ieee80211_rx_h_data(struct ieee80211_rx_data *rx) { struct net_device *dev = rx->dev; u16 fc; @@ -1392,7 +1497,7 @@ ieee80211_rx_h_data(struct ieee80211_txrx_data *rx) } static ieee80211_rx_result -ieee80211_rx_h_ctrl(struct ieee80211_txrx_data *rx) +ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx) { struct ieee80211_local *local = rx->local; struct ieee80211_hw *hw = &local->hw; @@ -1435,18 +1540,19 @@ ieee80211_rx_h_ctrl(struct ieee80211_txrx_data *rx) } static ieee80211_rx_result -ieee80211_rx_h_mgmt(struct ieee80211_txrx_data *rx) +ieee80211_rx_h_mgmt(struct ieee80211_rx_data *rx) { struct ieee80211_sub_if_data *sdata; - if (!(rx->flags & IEEE80211_TXRXD_RXRA_MATCH)) + if (!(rx->flags & IEEE80211_RX_RA_MATCH)) return RX_DROP_MONITOR; sdata = IEEE80211_DEV_TO_SUB_IF(rx->dev); if ((sdata->vif.type == IEEE80211_IF_TYPE_STA || - sdata->vif.type == IEEE80211_IF_TYPE_IBSS) && + sdata->vif.type == IEEE80211_IF_TYPE_IBSS || + sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT) && !(sdata->flags & IEEE80211_SDATA_USERSPACE_MLME)) - ieee80211_sta_rx_mgmt(rx->dev, rx->skb, rx->u.rx.status); + ieee80211_sta_rx_mgmt(rx->dev, rx->skb, rx->status); else return RX_DROP_MONITOR; @@ -1455,7 +1561,7 @@ ieee80211_rx_h_mgmt(struct ieee80211_txrx_data *rx) static void ieee80211_rx_michael_mic_report(struct net_device *dev, struct ieee80211_hdr *hdr, - struct ieee80211_txrx_data *rx) + struct ieee80211_rx_data *rx) { int keyidx, hdrlen; DECLARE_MAC_BUF(mac); @@ -1525,7 +1631,8 @@ static void ieee80211_rx_michael_mic_report(struct net_device *dev, rx->skb = NULL; } -static void ieee80211_rx_cooked_monitor(struct ieee80211_txrx_data *rx) +/* TODO: use IEEE80211_RX_FRAGMENTED */ +static void ieee80211_rx_cooked_monitor(struct ieee80211_rx_data *rx) { struct ieee80211_sub_if_data *sdata; struct ieee80211_local *local = rx->local; @@ -1538,9 +1645,9 @@ static void ieee80211_rx_cooked_monitor(struct ieee80211_txrx_data *rx) } __attribute__ ((packed)) *rthdr; struct sk_buff *skb = rx->skb, *skb2; struct net_device *prev_dev = NULL; - struct ieee80211_rx_status *status = rx->u.rx.status; + struct ieee80211_rx_status *status = rx->status; - if (rx->flags & IEEE80211_TXRXD_RX_CMNTR_REPORTED) + if (rx->flags & IEEE80211_RX_CMNTR_REPORTED) goto out_free_skb; if (skb_headroom(skb) < sizeof(*rthdr) && @@ -1555,7 +1662,7 @@ static void ieee80211_rx_cooked_monitor(struct ieee80211_txrx_data *rx) (1 << IEEE80211_RADIOTAP_RATE) | (1 << IEEE80211_RADIOTAP_CHANNEL)); - rthdr->rate = rx->u.rx.rate->bitrate / 5; + rthdr->rate = rx->rate->bitrate / 5; rthdr->chan_freq = cpu_to_le16(status->freq); if (status->band == IEEE80211_BAND_5GHZ) @@ -1598,14 +1705,14 @@ static void ieee80211_rx_cooked_monitor(struct ieee80211_txrx_data *rx) } else goto out_free_skb; - rx->flags |= IEEE80211_TXRXD_RX_CMNTR_REPORTED; + rx->flags |= IEEE80211_RX_CMNTR_REPORTED; return; out_free_skb: dev_kfree_skb(skb); } -typedef ieee80211_rx_result (*ieee80211_rx_handler)(struct ieee80211_txrx_data *); +typedef ieee80211_rx_result (*ieee80211_rx_handler)(struct ieee80211_rx_data *); static ieee80211_rx_handler ieee80211_rx_handlers[] = { ieee80211_rx_h_if_stats, @@ -1629,7 +1736,7 @@ static ieee80211_rx_handler ieee80211_rx_handlers[] = }; static void ieee80211_invoke_rx_handlers(struct ieee80211_sub_if_data *sdata, - struct ieee80211_txrx_data *rx, + struct ieee80211_rx_data *rx, struct sk_buff *skb) { ieee80211_rx_handler *handler; @@ -1672,7 +1779,7 @@ static void ieee80211_invoke_rx_handlers(struct ieee80211_sub_if_data *sdata, /* main receive path */ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata, - u8 *bssid, struct ieee80211_txrx_data *rx, + u8 *bssid, struct ieee80211_rx_data *rx, struct ieee80211_hdr *hdr) { int multicast = is_multicast_ether_addr(hdr->addr1); @@ -1682,15 +1789,15 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata, if (!bssid) return 0; if (!ieee80211_bssid_match(bssid, sdata->u.sta.bssid)) { - if (!(rx->flags & IEEE80211_TXRXD_RXIN_SCAN)) + if (!(rx->flags & IEEE80211_RX_IN_SCAN)) return 0; - rx->flags &= ~IEEE80211_TXRXD_RXRA_MATCH; + rx->flags &= ~IEEE80211_RX_RA_MATCH; } else if (!multicast && compare_ether_addr(sdata->dev->dev_addr, hdr->addr1) != 0) { if (!(sdata->dev->flags & IFF_PROMISC)) return 0; - rx->flags &= ~IEEE80211_TXRXD_RXRA_MATCH; + rx->flags &= ~IEEE80211_RX_RA_MATCH; } break; case IEEE80211_IF_TYPE_IBSS: @@ -1700,19 +1807,29 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata, (rx->fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_BEACON) return 1; else if (!ieee80211_bssid_match(bssid, sdata->u.sta.bssid)) { - if (!(rx->flags & IEEE80211_TXRXD_RXIN_SCAN)) + if (!(rx->flags & IEEE80211_RX_IN_SCAN)) return 0; - rx->flags &= ~IEEE80211_TXRXD_RXRA_MATCH; + rx->flags &= ~IEEE80211_RX_RA_MATCH; } else if (!multicast && compare_ether_addr(sdata->dev->dev_addr, hdr->addr1) != 0) { if (!(sdata->dev->flags & IFF_PROMISC)) return 0; - rx->flags &= ~IEEE80211_TXRXD_RXRA_MATCH; + rx->flags &= ~IEEE80211_RX_RA_MATCH; } else if (!rx->sta) rx->sta = ieee80211_ibss_add_sta(sdata->dev, rx->skb, bssid, hdr->addr2); break; + case IEEE80211_IF_TYPE_MESH_POINT: + if (!multicast && + compare_ether_addr(sdata->dev->dev_addr, + hdr->addr1) != 0) { + if (!(sdata->dev->flags & IFF_PROMISC)) + return 0; + + rx->flags &= ~IEEE80211_RX_RA_MATCH; + } + break; case IEEE80211_IF_TYPE_VLAN: case IEEE80211_IF_TYPE_AP: if (!bssid) { @@ -1721,12 +1838,12 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata, return 0; } else if (!ieee80211_bssid_match(bssid, sdata->dev->dev_addr)) { - if (!(rx->flags & IEEE80211_TXRXD_RXIN_SCAN)) + if (!(rx->flags & IEEE80211_RX_IN_SCAN)) return 0; - rx->flags &= ~IEEE80211_TXRXD_RXRA_MATCH; + rx->flags &= ~IEEE80211_RX_RA_MATCH; } if (sdata->dev == sdata->local->mdev && - !(rx->flags & IEEE80211_TXRXD_RXIN_SCAN)) + !(rx->flags & IEEE80211_RX_IN_SCAN)) /* do not receive anything via * master device when not scanning */ return 0; @@ -1763,7 +1880,7 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw, struct ieee80211_local *local = hw_to_local(hw); struct ieee80211_sub_if_data *sdata; struct ieee80211_hdr *hdr; - struct ieee80211_txrx_data rx; + struct ieee80211_rx_data rx; u16 type; int prepares; struct ieee80211_sub_if_data *prev = NULL; @@ -1775,9 +1892,9 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw, rx.skb = skb; rx.local = local; - rx.u.rx.status = status; - rx.u.rx.load = load; - rx.u.rx.rate = rate; + rx.status = status; + rx.load = load; + rx.rate = rate; rx.fc = le16_to_cpu(hdr->frame_control); type = rx.fc & IEEE80211_FCTL_FTYPE; @@ -1786,17 +1903,17 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw, rx.sta = sta_info_get(local, hdr->addr2); if (rx.sta) { - rx.dev = rx.sta->dev; - rx.sdata = IEEE80211_DEV_TO_SUB_IF(rx.dev); + rx.sdata = rx.sta->sdata; + rx.dev = rx.sta->sdata->dev; } if ((status->flag & RX_FLAG_MMIC_ERROR)) { ieee80211_rx_michael_mic_report(local->mdev, hdr, &rx); - goto end; + return; } if (unlikely(local->sta_sw_scanning || local->sta_hw_scanning)) - rx.flags |= IEEE80211_TXRXD_RXIN_SCAN; + rx.flags |= IEEE80211_RX_IN_SCAN; ieee80211_parse_qos(&rx); ieee80211_verify_ip_alignment(&rx); @@ -1811,7 +1928,7 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw, continue; bssid = ieee80211_get_bssid(hdr, skb->len, sdata->vif.type); - rx.flags |= IEEE80211_TXRXD_RXRA_MATCH; + rx.flags |= IEEE80211_RX_RA_MATCH; prepares = prepare_for_handlers(sdata, bssid, &rx, hdr); if (!prepares) @@ -1851,10 +1968,6 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw, ieee80211_invoke_rx_handlers(prev, &rx, skb); } else dev_kfree_skb(skb); - - end: - if (rx.sta) - sta_info_put(rx.sta); } #define SEQ_MODULO 0x1000 @@ -2031,7 +2144,7 @@ static u8 ieee80211_rx_reorder_ampdu(struct ieee80211_local *local, /* if this mpdu is fragmented - terminate rx aggregation session */ sc = le16_to_cpu(hdr->seq_ctrl); if (sc & IEEE80211_SCTL_FRAG) { - ieee80211_sta_stop_rx_ba_session(sta->dev, sta->addr, + ieee80211_sta_stop_rx_ba_session(sta->sdata->dev, sta->addr, tid, 0, WLAN_REASON_QSTA_REQUIRE_SETUP); ret = 1; goto end_reorder; @@ -2041,9 +2154,7 @@ static u8 ieee80211_rx_reorder_ampdu(struct ieee80211_local *local, mpdu_seq_num = (sc & IEEE80211_SCTL_SEQ) >> 4; ret = ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, skb, mpdu_seq_num, 0); -end_reorder: - if (sta) - sta_info_put(sta); + end_reorder: return ret; } diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index e384e6632d97..3b84c16cf054 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -15,21 +15,52 @@ #include <linux/skbuff.h> #include <linux/if_arp.h> #include <linux/timer.h> +#include <linux/rtnetlink.h> #include <net/mac80211.h> #include "ieee80211_i.h" #include "ieee80211_rate.h" #include "sta_info.h" #include "debugfs_sta.h" +#include "mesh.h" -/* Caller must hold local->sta_lock */ -static void sta_info_hash_add(struct ieee80211_local *local, - struct sta_info *sta) -{ - sta->hnext = local->sta_hash[STA_HASH(sta->addr)]; - local->sta_hash[STA_HASH(sta->addr)] = sta; -} - +/** + * DOC: STA information lifetime rules + * + * STA info structures (&struct sta_info) are managed in a hash table + * for faster lookup and a list for iteration. They are managed using + * RCU, i.e. access to the list and hash table is protected by RCU. + * + * Upon allocating a STA info structure with sta_info_alloc(), the caller owns + * that structure. It must then either destroy it using sta_info_destroy() + * (which is pretty useless) or insert it into the hash table using + * sta_info_insert() which demotes the reference from ownership to a regular + * RCU-protected reference; if the function is called without protection by an + * RCU critical section the reference is instantly invalidated. + * + * Because there are debugfs entries for each station, and adding those + * must be able to sleep, it is also possible to "pin" a station entry, + * that means it can be removed from the hash table but not be freed. + * See the comment in __sta_info_unlink() for more information. + * + * In order to remove a STA info structure, the caller needs to first + * unlink it (sta_info_unlink()) from the list and hash tables and + * then wait for an RCU synchronisation before it can be freed. Due to + * the pinning and the possibility of multiple callers trying to remove + * the same STA info at the same time, sta_info_unlink() can clear the + * STA info pointer it is passed to indicate that the STA info is owned + * by somebody else now. + * + * If sta_info_unlink() did not clear the pointer then the caller owns + * the STA info structure now and is responsible of destroying it with + * a call to sta_info_destroy(), not before RCU synchronisation, of + * course. Note that sta_info_destroy() must be protected by the RTNL. + * + * In all other cases, there is no concept of ownership on a STA entry, + * each structure is owned by the global hash table/list until it is + * removed. All users of the structure need to be RCU protected so that + * the structure won't be freed before they are done using it. + */ /* Caller must hold local->sta_lock */ static int sta_info_hash_del(struct ieee80211_local *local, @@ -41,109 +72,152 @@ static int sta_info_hash_del(struct ieee80211_local *local, if (!s) return -ENOENT; if (s == sta) { - local->sta_hash[STA_HASH(sta->addr)] = s->hnext; + rcu_assign_pointer(local->sta_hash[STA_HASH(sta->addr)], + s->hnext); return 0; } while (s->hnext && s->hnext != sta) s = s->hnext; if (s->hnext) { - s->hnext = sta->hnext; + rcu_assign_pointer(s->hnext, sta->hnext); return 0; } return -ENOENT; } -/* must hold local->sta_lock */ +/* protected by RCU */ static struct sta_info *__sta_info_find(struct ieee80211_local *local, u8 *addr) { struct sta_info *sta; - sta = local->sta_hash[STA_HASH(addr)]; + sta = rcu_dereference(local->sta_hash[STA_HASH(addr)]); while (sta) { if (compare_ether_addr(sta->addr, addr) == 0) break; - sta = sta->hnext; + sta = rcu_dereference(sta->hnext); } return sta; } struct sta_info *sta_info_get(struct ieee80211_local *local, u8 *addr) { - struct sta_info *sta; - - read_lock_bh(&local->sta_lock); - sta = __sta_info_find(local, addr); - if (sta) - __sta_info_get(sta); - read_unlock_bh(&local->sta_lock); - - return sta; + return __sta_info_find(local, addr); } EXPORT_SYMBOL(sta_info_get); +struct sta_info *sta_info_get_by_idx(struct ieee80211_local *local, int idx, + struct net_device *dev) +{ + struct sta_info *sta; + int i = 0; + + list_for_each_entry_rcu(sta, &local->sta_list, list) { + if (dev && dev != sta->sdata->dev) + continue; + if (i < idx) { + ++i; + continue; + } + return sta; + } + + return NULL; +} -static void sta_info_release(struct kref *kref) +void sta_info_destroy(struct sta_info *sta) { - struct sta_info *sta = container_of(kref, struct sta_info, kref); struct ieee80211_local *local = sta->local; struct sk_buff *skb; int i; + DECLARE_MAC_BUF(mbuf); + + if (!sta) + return; + + ASSERT_RTNL(); + might_sleep(); + + rate_control_remove_sta_debugfs(sta); + ieee80211_sta_debugfs_remove(sta); + +#ifdef CONFIG_MAC80211_MESH + if (ieee80211_vif_is_mesh(&sta->sdata->vif)) + mesh_plink_deactivate(sta); +#endif + + /* + * NOTE: This will call synchronize_rcu() internally to + * make sure no key references can be in use. We rely on + * that here for the mesh code! + */ + ieee80211_key_free(sta->key); + WARN_ON(sta->key); + +#ifdef CONFIG_MAC80211_MESH + if (ieee80211_vif_is_mesh(&sta->sdata->vif)) + del_timer_sync(&sta->plink_timer); +#endif - /* free sta structure; it has already been removed from - * hash table etc. external structures. Make sure that all - * buffered frames are release (one might have been added - * after sta_info_free() was called). */ while ((skb = skb_dequeue(&sta->ps_tx_buf)) != NULL) { local->total_ps_buffered--; dev_kfree_skb_any(skb); } - while ((skb = skb_dequeue(&sta->tx_filtered)) != NULL) { + + while ((skb = skb_dequeue(&sta->tx_filtered)) != NULL) dev_kfree_skb_any(skb); - } + for (i = 0; i < STA_TID_NUM; i++) { del_timer_sync(&sta->ampdu_mlme.tid_rx[i].session_timer); del_timer_sync(&sta->ampdu_mlme.tid_tx[i].addba_resp_timer); } rate_control_free_sta(sta->rate_ctrl, sta->rate_ctrl_priv); rate_control_put(sta->rate_ctrl); + +#ifdef CONFIG_MAC80211_VERBOSE_DEBUG + printk(KERN_DEBUG "%s: Destroyed STA %s\n", + wiphy_name(local->hw.wiphy), print_mac(mbuf, sta->addr)); +#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */ + kfree(sta); } -void sta_info_put(struct sta_info *sta) +/* Caller must hold local->sta_lock */ +static void sta_info_hash_add(struct ieee80211_local *local, + struct sta_info *sta) { - kref_put(&sta->kref, sta_info_release); + sta->hnext = local->sta_hash[STA_HASH(sta->addr)]; + rcu_assign_pointer(local->sta_hash[STA_HASH(sta->addr)], sta); } -EXPORT_SYMBOL(sta_info_put); - -struct sta_info *sta_info_add(struct ieee80211_local *local, - struct net_device *dev, u8 *addr, gfp_t gfp) +struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata, + u8 *addr, gfp_t gfp) { + struct ieee80211_local *local = sdata->local; struct sta_info *sta; int i; - DECLARE_MAC_BUF(mac); + DECLARE_MAC_BUF(mbuf); sta = kzalloc(sizeof(*sta), gfp); if (!sta) - return ERR_PTR(-ENOMEM); + return NULL; - kref_init(&sta->kref); + memcpy(sta->addr, addr, ETH_ALEN); + sta->local = local; + sta->sdata = sdata; sta->rate_ctrl = rate_control_get(local->rate_ctrl); - sta->rate_ctrl_priv = rate_control_alloc_sta(sta->rate_ctrl, gfp); + sta->rate_ctrl_priv = rate_control_alloc_sta(sta->rate_ctrl, + gfp); if (!sta->rate_ctrl_priv) { rate_control_put(sta->rate_ctrl); kfree(sta); - return ERR_PTR(-ENOMEM); + return NULL; } - memcpy(sta->addr, addr, ETH_ALEN); - sta->local = local; - sta->dev = dev; spin_lock_init(&sta->ampdu_mlme.ampdu_rx); spin_lock_init(&sta->ampdu_mlme.ampdu_tx); for (i = 0; i < STA_TID_NUM; i++) { @@ -168,35 +242,68 @@ struct sta_info *sta_info_add(struct ieee80211_local *local, } skb_queue_head_init(&sta->ps_tx_buf); skb_queue_head_init(&sta->tx_filtered); - write_lock_bh(&local->sta_lock); - /* mark sta as used (by caller) */ - __sta_info_get(sta); + +#ifdef CONFIG_MAC80211_VERBOSE_DEBUG + printk(KERN_DEBUG "%s: Allocated STA %s\n", + wiphy_name(local->hw.wiphy), print_mac(mbuf, sta->addr)); +#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */ + +#ifdef CONFIG_MAC80211_MESH + sta->plink_state = PLINK_LISTEN; + spin_lock_init(&sta->plink_lock); + init_timer(&sta->plink_timer); +#endif + + return sta; +} + +int sta_info_insert(struct sta_info *sta) +{ + struct ieee80211_local *local = sta->local; + struct ieee80211_sub_if_data *sdata = sta->sdata; + unsigned long flags; + DECLARE_MAC_BUF(mac); + + /* + * Can't be a WARN_ON because it can be triggered through a race: + * something inserts a STA (on one CPU) without holding the RTNL + * and another CPU turns off the net device. + */ + if (unlikely(!netif_running(sdata->dev))) + return -ENETDOWN; + + if (WARN_ON(compare_ether_addr(sta->addr, sdata->dev->dev_addr) == 0)) + return -EINVAL; + + if (WARN_ON(is_multicast_ether_addr(sta->addr))) + return -EINVAL; + + spin_lock_irqsave(&local->sta_lock, flags); /* check if STA exists already */ - if (__sta_info_find(local, addr)) { - write_unlock_bh(&local->sta_lock); - sta_info_put(sta); - return ERR_PTR(-EEXIST); + if (__sta_info_find(local, sta->addr)) { + spin_unlock_irqrestore(&local->sta_lock, flags); + return -EEXIST; } list_add(&sta->list, &local->sta_list); local->num_sta++; sta_info_hash_add(local, sta); - if (local->ops->sta_notify) { - struct ieee80211_sub_if_data *sdata; - sdata = IEEE80211_DEV_TO_SUB_IF(dev); + /* notify driver */ + if (local->ops->sta_notify) { if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN) sdata = sdata->u.vlan.ap; local->ops->sta_notify(local_to_hw(local), &sdata->vif, - STA_NOTIFY_ADD, addr); + STA_NOTIFY_ADD, sta->addr); } - write_unlock_bh(&local->sta_lock); #ifdef CONFIG_MAC80211_VERBOSE_DEBUG - printk(KERN_DEBUG "%s: Added STA %s\n", - wiphy_name(local->hw.wiphy), print_mac(mac, addr)); + printk(KERN_DEBUG "%s: Inserted STA %s\n", + wiphy_name(local->hw.wiphy), print_mac(mac, sta->addr)); #endif /* CONFIG_MAC80211_VERBOSE_DEBUG */ + spin_unlock_irqrestore(&local->sta_lock, flags); + #ifdef CONFIG_MAC80211_DEBUGFS /* debugfs entry adding might sleep, so schedule process * context task for adding entry for STAs that do not yet @@ -204,7 +311,10 @@ struct sta_info *sta_info_add(struct ieee80211_local *local, queue_work(local->hw.workqueue, &local->sta_debugfs_add); #endif - return sta; + if (ieee80211_vif_is_mesh(&sdata->vif)) + mesh_accept_plinks_update(sdata); + + return 0; } static inline void __bss_tim_set(struct ieee80211_if_ap *bss, u16 aid) @@ -230,19 +340,20 @@ static void __sta_info_set_tim_bit(struct ieee80211_if_ap *bss, { if (bss) __bss_tim_set(bss, sta->aid); - if (sta->local->ops->set_tim) + if (sta->local->ops->set_tim) { + sta->local->tim_in_locked_section = true; sta->local->ops->set_tim(local_to_hw(sta->local), sta->aid, 1); + sta->local->tim_in_locked_section = false; + } } void sta_info_set_tim_bit(struct sta_info *sta) { - struct ieee80211_sub_if_data *sdata; - - sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev); + unsigned long flags; - read_lock_bh(&sta->local->sta_lock); - __sta_info_set_tim_bit(sdata->bss, sta); - read_unlock_bh(&sta->local->sta_lock); + spin_lock_irqsave(&sta->local->sta_lock, flags); + __sta_info_set_tim_bit(sta->sdata->bss, sta); + spin_unlock_irqrestore(&sta->local->sta_lock, flags); } static void __sta_info_clear_tim_bit(struct ieee80211_if_ap *bss, @@ -250,88 +361,135 @@ static void __sta_info_clear_tim_bit(struct ieee80211_if_ap *bss, { if (bss) __bss_tim_clear(bss, sta->aid); - if (sta->local->ops->set_tim) + if (sta->local->ops->set_tim) { + sta->local->tim_in_locked_section = true; sta->local->ops->set_tim(local_to_hw(sta->local), sta->aid, 0); + sta->local->tim_in_locked_section = false; + } } void sta_info_clear_tim_bit(struct sta_info *sta) { - struct ieee80211_sub_if_data *sdata; + unsigned long flags; - sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev); + spin_lock_irqsave(&sta->local->sta_lock, flags); + __sta_info_clear_tim_bit(sta->sdata->bss, sta); + spin_unlock_irqrestore(&sta->local->sta_lock, flags); +} - read_lock_bh(&sta->local->sta_lock); - __sta_info_clear_tim_bit(sdata->bss, sta); - read_unlock_bh(&sta->local->sta_lock); +/* + * See comment in __sta_info_unlink, + * caller must hold local->sta_lock. + */ +static void __sta_info_pin(struct sta_info *sta) +{ + WARN_ON(sta->pin_status != STA_INFO_PIN_STAT_NORMAL); + sta->pin_status = STA_INFO_PIN_STAT_PINNED; } -/* Caller must hold local->sta_lock */ -void sta_info_remove(struct sta_info *sta) +/* + * See comment in __sta_info_unlink, returns sta if it + * needs to be destroyed. + */ +static struct sta_info *__sta_info_unpin(struct sta_info *sta) { - struct ieee80211_local *local = sta->local; - struct ieee80211_sub_if_data *sdata; + struct sta_info *ret = NULL; + unsigned long flags; - /* don't do anything if we've been removed already */ - if (sta_info_hash_del(local, sta)) - return; + spin_lock_irqsave(&sta->local->sta_lock, flags); + WARN_ON(sta->pin_status != STA_INFO_PIN_STAT_DESTROY && + sta->pin_status != STA_INFO_PIN_STAT_PINNED); + if (sta->pin_status == STA_INFO_PIN_STAT_DESTROY) + ret = sta; + sta->pin_status = STA_INFO_PIN_STAT_NORMAL; + spin_unlock_irqrestore(&sta->local->sta_lock, flags); - list_del(&sta->list); - sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev); - if (sta->flags & WLAN_STA_PS) { - sta->flags &= ~WLAN_STA_PS; - if (sdata->bss) - atomic_dec(&sdata->bss->num_sta_ps); - __sta_info_clear_tim_bit(sdata->bss, sta); - } - local->num_sta--; + return ret; } -void sta_info_free(struct sta_info *sta) +static void __sta_info_unlink(struct sta_info **sta) { - struct sk_buff *skb; - struct ieee80211_local *local = sta->local; - DECLARE_MAC_BUF(mac); + struct ieee80211_local *local = (*sta)->local; + struct ieee80211_sub_if_data *sdata = (*sta)->sdata; +#ifdef CONFIG_MAC80211_VERBOSE_DEBUG + DECLARE_MAC_BUF(mbuf); +#endif + /* + * pull caller's reference if we're already gone. + */ + if (sta_info_hash_del(local, *sta)) { + *sta = NULL; + return; + } - might_sleep(); + /* + * Also pull caller's reference if the STA is pinned by the + * task that is adding the debugfs entries. In that case, we + * leave the STA "to be freed". + * + * The rules are not trivial, but not too complex either: + * (1) pin_status is only modified under the sta_lock + * (2) sta_info_debugfs_add_work() will set the status + * to PINNED when it found an item that needs a new + * debugfs directory created. In that case, that item + * must not be freed although all *RCU* users are done + * with it. Hence, we tell the caller of _unlink() + * that the item is already gone (as can happen when + * two tasks try to unlink/destroy at the same time) + * (3) We set the pin_status to DESTROY here when we + * find such an item. + * (4) sta_info_debugfs_add_work() will reset the pin_status + * from PINNED to NORMAL when it is done with the item, + * but will check for DESTROY before resetting it in + * which case it will free the item. + */ + if ((*sta)->pin_status == STA_INFO_PIN_STAT_PINNED) { + (*sta)->pin_status = STA_INFO_PIN_STAT_DESTROY; + *sta = NULL; + return; + } - write_lock_bh(&local->sta_lock); - sta_info_remove(sta); - write_unlock_bh(&local->sta_lock); + list_del(&(*sta)->list); - while ((skb = skb_dequeue(&sta->ps_tx_buf)) != NULL) { - local->total_ps_buffered--; - dev_kfree_skb(skb); - } - while ((skb = skb_dequeue(&sta->tx_filtered)) != NULL) { - dev_kfree_skb(skb); + if ((*sta)->flags & WLAN_STA_PS) { + (*sta)->flags &= ~WLAN_STA_PS; + if (sdata->bss) + atomic_dec(&sdata->bss->num_sta_ps); + __sta_info_clear_tim_bit(sdata->bss, *sta); } -#ifdef CONFIG_MAC80211_VERBOSE_DEBUG - printk(KERN_DEBUG "%s: Removed STA %s\n", - wiphy_name(local->hw.wiphy), print_mac(mac, sta->addr)); -#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */ - - ieee80211_key_free(sta->key); - WARN_ON(sta->key); + local->num_sta--; if (local->ops->sta_notify) { - struct ieee80211_sub_if_data *sdata; - - sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev); - if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN) sdata = sdata->u.vlan.ap; local->ops->sta_notify(local_to_hw(local), &sdata->vif, - STA_NOTIFY_REMOVE, sta->addr); + STA_NOTIFY_REMOVE, (*sta)->addr); } - rate_control_remove_sta_debugfs(sta); - ieee80211_sta_debugfs_remove(sta); + if (ieee80211_vif_is_mesh(&sdata->vif)) { + mesh_accept_plinks_update(sdata); +#ifdef CONFIG_MAC80211_MESH + del_timer(&(*sta)->plink_timer); +#endif + } - sta_info_put(sta); +#ifdef CONFIG_MAC80211_VERBOSE_DEBUG + printk(KERN_DEBUG "%s: Removed STA %s\n", + wiphy_name(local->hw.wiphy), print_mac(mbuf, (*sta)->addr)); +#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */ } +void sta_info_unlink(struct sta_info **sta) +{ + struct ieee80211_local *local = (*sta)->local; + unsigned long flags; + + spin_lock_irqsave(&local->sta_lock, flags); + __sta_info_unlink(sta); + spin_unlock_irqrestore(&local->sta_lock, flags); +} static inline int sta_info_buffer_expired(struct ieee80211_local *local, struct sta_info *sta, @@ -377,7 +535,7 @@ static void sta_info_cleanup_expire_buffered(struct ieee80211_local *local, if (!skb) break; - sdata = IEEE80211_DEV_TO_SUB_IF(sta->dev); + sdata = sta->sdata; local->total_ps_buffered--; printk(KERN_DEBUG "Buffered frame expired (STA " "%s)\n", print_mac(mac, sta->addr)); @@ -394,13 +552,10 @@ static void sta_info_cleanup(unsigned long data) struct ieee80211_local *local = (struct ieee80211_local *) data; struct sta_info *sta; - read_lock_bh(&local->sta_lock); - list_for_each_entry(sta, &local->sta_list, list) { - __sta_info_get(sta); + rcu_read_lock(); + list_for_each_entry_rcu(sta, &local->sta_list, list) sta_info_cleanup_expire_buffered(local, sta); - sta_info_put(sta); - } - read_unlock_bh(&local->sta_lock); + rcu_read_unlock(); local->sta_cleanup.expires = round_jiffies(jiffies + STA_INFO_CLEANUP_INTERVAL); @@ -408,37 +563,45 @@ static void sta_info_cleanup(unsigned long data) } #ifdef CONFIG_MAC80211_DEBUGFS -static void sta_info_debugfs_add_task(struct work_struct *work) +static void sta_info_debugfs_add_work(struct work_struct *work) { struct ieee80211_local *local = container_of(work, struct ieee80211_local, sta_debugfs_add); struct sta_info *sta, *tmp; + unsigned long flags; while (1) { sta = NULL; - read_lock_bh(&local->sta_lock); + + spin_lock_irqsave(&local->sta_lock, flags); list_for_each_entry(tmp, &local->sta_list, list) { if (!tmp->debugfs.dir) { sta = tmp; - __sta_info_get(sta); + __sta_info_pin(sta); break; } } - read_unlock_bh(&local->sta_lock); + spin_unlock_irqrestore(&local->sta_lock, flags); if (!sta) break; ieee80211_sta_debugfs_add(sta); rate_control_add_sta_debugfs(sta); - sta_info_put(sta); + + sta = __sta_info_unpin(sta); + + if (sta) { + synchronize_rcu(); + sta_info_destroy(sta); + } } } #endif void sta_info_init(struct ieee80211_local *local) { - rwlock_init(&local->sta_lock); + spin_lock_init(&local->sta_lock); INIT_LIST_HEAD(&local->sta_list); setup_timer(&local->sta_cleanup, sta_info_cleanup, @@ -447,7 +610,7 @@ void sta_info_init(struct ieee80211_local *local) round_jiffies(jiffies + STA_INFO_CLEANUP_INTERVAL); #ifdef CONFIG_MAC80211_DEBUGFS - INIT_WORK(&local->sta_debugfs_add, sta_info_debugfs_add_task); + INIT_WORK(&local->sta_debugfs_add, sta_info_debugfs_add_work); #endif } @@ -465,25 +628,38 @@ void sta_info_stop(struct ieee80211_local *local) /** * sta_info_flush - flush matching STA entries from the STA table + * + * Returns the number of removed STA entries. + * * @local: local interface data - * @dev: matching rule for the net device (sta->dev) or %NULL to match all STAs + * @sdata: matching rule for the net device (sta->dev) or %NULL to match all STAs */ -void sta_info_flush(struct ieee80211_local *local, struct net_device *dev) +int sta_info_flush(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata) { struct sta_info *sta, *tmp; LIST_HEAD(tmp_list); + int ret = 0; + unsigned long flags; - write_lock_bh(&local->sta_lock); - list_for_each_entry_safe(sta, tmp, &local->sta_list, list) - if (!dev || dev == sta->dev) { - __sta_info_get(sta); - sta_info_remove(sta); - list_add_tail(&sta->list, &tmp_list); - } - write_unlock_bh(&local->sta_lock); + might_sleep(); - list_for_each_entry_safe(sta, tmp, &tmp_list, list) { - sta_info_free(sta); - sta_info_put(sta); + spin_lock_irqsave(&local->sta_lock, flags); + list_for_each_entry_safe(sta, tmp, &local->sta_list, list) { + if (!sdata || sdata == sta->sdata) { + __sta_info_unlink(&sta); + if (sta) { + list_add_tail(&sta->list, &tmp_list); + ret++; + } + } } + spin_unlock_irqrestore(&local->sta_lock, flags); + + synchronize_rcu(); + + list_for_each_entry_safe(sta, tmp, &tmp_list, list) + sta_info_destroy(sta); + + return ret; } diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h index 86eed40ada78..f166c8039f2b 100644 --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -12,7 +12,6 @@ #include <linux/list.h> #include <linux/types.h> #include <linux/if_ether.h> -#include <linux/kref.h> #include "ieee80211_key.h" /** @@ -108,6 +107,29 @@ struct tid_ampdu_rx { }; /** + * enum plink_state - state of a mesh peer link finite state machine + * + * @PLINK_LISTEN: initial state, considered the implicit state of non existant + * mesh peer links + * @PLINK_OPN_SNT: mesh plink open frame has been sent to this mesh peer + * @PLINK_OPN_RCVD: mesh plink open frame has been received from this mesh peer + * @PLINK_CNF_RCVD: mesh plink confirm frame has been received from this mesh + * peer + * @PLINK_ESTAB: mesh peer link is established + * @PLINK_HOLDING: mesh peer link is being closed or cancelled + * @PLINK_BLOCKED: all frames transmitted from this mesh plink are discarded + */ +enum plink_state { + PLINK_LISTEN, + PLINK_OPN_SNT, + PLINK_OPN_RCVD, + PLINK_CNF_RCVD, + PLINK_ESTAB, + PLINK_HOLDING, + PLINK_BLOCKED +}; + +/** * struct sta_ampdu_mlme - STA aggregation information. * * @tid_rx: aggregation info for Rx per TID @@ -124,75 +146,132 @@ struct sta_ampdu_mlme { u8 dialog_token_allocator; }; + +/* see __sta_info_unlink */ +#define STA_INFO_PIN_STAT_NORMAL 0 +#define STA_INFO_PIN_STAT_PINNED 1 +#define STA_INFO_PIN_STAT_DESTROY 2 + +/** + * struct sta_info - STA information + * + * This structure collects information about a station that + * mac80211 is communicating with. + * + * @list: global linked list entry + * @hnext: hash table linked list pointer + * @local: pointer to the global information + * @addr: MAC address of this STA + * @aid: STA's unique AID (1..2007, 0 = not assigned yet), + * only used in AP (and IBSS?) mode + * @flags: STA flags, see &enum ieee80211_sta_info_flags + * @ps_tx_buf: buffer of frames to transmit to this station + * when it leaves power saving state + * @tx_filtered: buffer of frames we already tried to transmit + * but were filtered by hardware due to STA having entered + * power saving state + * @rx_packets: Number of MSDUs received from this STA + * @rx_bytes: Number of bytes received from this STA + * @supp_rates: Bitmap of supported rates (per band) + * @ht_info: HT capabilities of this STA + */ struct sta_info { - struct kref kref; + /* General information, mostly static */ struct list_head list; - struct sta_info *hnext; /* next entry in hash table list */ - + struct sta_info *hnext; struct ieee80211_local *local; - - u8 addr[ETH_ALEN]; - u16 aid; /* STA's unique AID (1..2007), 0 = not yet assigned */ - u32 flags; /* WLAN_STA_ */ - - struct sk_buff_head ps_tx_buf; /* buffer of TX frames for station in - * power saving state */ - struct sk_buff_head tx_filtered; /* buffer of TX frames that were - * already given to low-level driver, - * but were filtered */ - unsigned long rx_packets, tx_packets; /* number of RX/TX MSDUs */ - unsigned long rx_bytes, tx_bytes; - unsigned long tx_retry_failed, tx_retry_count; - unsigned long tx_filtered_count; - - unsigned int wep_weak_iv_count; /* number of RX frames with weak IV */ - - unsigned long last_rx; - /* bitmap of supported rates per band */ - u64 supp_rates[IEEE80211_NUM_BANDS]; - int txrate_idx; - /* last rates used to send a frame to this STA */ - int last_txrate_idx, last_nonerp_txrate_idx; - - struct net_device *dev; /* which net device is this station associated - * to */ - + struct ieee80211_sub_if_data *sdata; struct ieee80211_key *key; - - u32 tx_num_consecutive_failures; - u32 tx_num_mpdu_ok; - u32 tx_num_mpdu_fail; - struct rate_control_ref *rate_ctrl; void *rate_ctrl_priv; + struct ieee80211_ht_info ht_info; + u64 supp_rates[IEEE80211_NUM_BANDS]; + u8 addr[ETH_ALEN]; + u16 aid; + u16 listen_interval; - /* last received seq/frag number from this STA (per RX queue) */ - __le16 last_seq_ctrl[NUM_RX_DATA_QUEUES]; + /* + * for use by the internal lifetime management, + * see __sta_info_unlink + */ + u8 pin_status; + + /* frequently updated information, needs locking? */ + u32 flags; + + /* + * STA powersave frame queues, no more than the internal + * locking required. + */ + struct sk_buff_head ps_tx_buf; + struct sk_buff_head tx_filtered; + + /* Updated from RX path only, no locking requirements */ + unsigned long rx_packets, rx_bytes; + unsigned long wep_weak_iv_count; + unsigned long last_rx; unsigned long num_duplicates; /* number of duplicate frames received * from this STA */ - unsigned long tx_fragments; /* number of transmitted MPDUs */ unsigned long rx_fragments; /* number of received MPDUs */ unsigned long rx_dropped; /* number of dropped MPDUs from this STA */ - int last_rssi; /* RSSI of last received frame from this STA */ int last_signal; /* signal of last received frame from this STA */ int last_noise; /* noise of last received frame from this STA */ - int channel_use; - int channel_use_raw; - + /* last received seq/frag number from this STA (per RX queue) */ + __le16 last_seq_ctrl[NUM_RX_DATA_QUEUES]; #ifdef CONFIG_MAC80211_DEBUG_COUNTERS unsigned int wme_rx_queue[NUM_RX_DATA_QUEUES]; +#endif + + /* Updated from TX status path only, no locking requirements */ + unsigned long tx_filtered_count; + unsigned long tx_retry_failed, tx_retry_count; + /* TODO: update in generic code not rate control? */ + u32 tx_num_consecutive_failures; + u32 tx_num_mpdu_ok; + u32 tx_num_mpdu_fail; + /* moving percentage of failed MSDUs */ + unsigned int fail_avg; + + /* Updated from TX path only, no locking requirements */ + unsigned long tx_packets; /* number of RX/TX MSDUs */ + unsigned long tx_bytes; + unsigned long tx_fragments; /* number of transmitted MPDUs */ + int txrate_idx; + int last_txrate_idx; +#ifdef CONFIG_MAC80211_DEBUG_COUNTERS unsigned int wme_tx_queue[NUM_RX_DATA_QUEUES]; -#endif /* CONFIG_MAC80211_DEBUG_COUNTERS */ +#endif - u16 listen_interval; + /* Debug counters, no locking doesn't matter */ + int channel_use; + int channel_use_raw; - struct ieee80211_ht_info ht_info; /* 802.11n HT capabilities - of this STA */ + /* + * Aggregation information, comes with own locking. + */ struct sta_ampdu_mlme ampdu_mlme; - u8 timer_to_tid[STA_TID_NUM]; /* convert timer id to tid */ + u8 timer_to_tid[STA_TID_NUM]; /* identity mapping to ID timers */ u8 tid_to_tx_q[STA_TID_NUM]; /* map tid to tx queue */ +#ifdef CONFIG_MAC80211_MESH + /* + * Mesh peer link attributes + * TODO: move to a sub-structure that is referenced with pointer? + */ + __le16 llid; /* Local link ID */ + __le16 plid; /* Peer link ID */ + __le16 reason; /* Cancel reason on PLINK_HOLDING state */ + u8 plink_retries; /* Retries in establishment */ + bool ignore_plink_timer; + enum plink_state plink_state; + u32 plink_timeout; + struct timer_list plink_timer; + spinlock_t plink_lock; /* For peer_state reads / updates and other + updates in the structure. Ensures robust + transitions for the peerlink FSM */ +#endif + #ifdef CONFIG_MAC80211_DEBUGFS struct sta_info_debugfsdentries { struct dentry *dir; @@ -209,6 +288,14 @@ struct sta_info { #endif }; +static inline enum plink_state sta_plink_state(struct sta_info *sta) +{ +#ifdef CONFIG_MAC80211_MESH + return sta->plink_state; +#endif + return PLINK_LISTEN; +} + /* Maximum number of concurrently registered stations */ #define MAX_STA_COUNT 2007 @@ -228,23 +315,44 @@ struct sta_info { */ #define STA_INFO_CLEANUP_INTERVAL (10 * HZ) -static inline void __sta_info_get(struct sta_info *sta) -{ - kref_get(&sta->kref); -} +/* + * Get a STA info, must have be under RCU read lock. + */ +struct sta_info *sta_info_get(struct ieee80211_local *local, u8 *addr); +/* + * Get STA info by index, BROKEN! + */ +struct sta_info *sta_info_get_by_idx(struct ieee80211_local *local, int idx, + struct net_device *dev); +/* + * Create a new STA info, caller owns returned structure + * until sta_info_insert(). + */ +struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata, + u8 *addr, gfp_t gfp); +/* + * Insert STA info into hash table/list, returns zero or a + * -EEXIST if (if the same MAC address is already present). + * + * Calling this without RCU protection makes the caller + * relinquish its reference to @sta. + */ +int sta_info_insert(struct sta_info *sta); +/* + * Unlink a STA info from the hash table/list. + * This can NULL the STA pointer if somebody else + * has already unlinked it. + */ +void sta_info_unlink(struct sta_info **sta); + +void sta_info_destroy(struct sta_info *sta); +void sta_info_set_tim_bit(struct sta_info *sta); +void sta_info_clear_tim_bit(struct sta_info *sta); -struct sta_info * sta_info_get(struct ieee80211_local *local, u8 *addr); -void sta_info_put(struct sta_info *sta); -struct sta_info *sta_info_add(struct ieee80211_local *local, - struct net_device *dev, u8 *addr, gfp_t gfp); -void sta_info_remove(struct sta_info *sta); -void sta_info_free(struct sta_info *sta); void sta_info_init(struct ieee80211_local *local); int sta_info_start(struct ieee80211_local *local); void sta_info_stop(struct ieee80211_local *local); -void sta_info_flush(struct ieee80211_local *local, struct net_device *dev); - -void sta_info_set_tim_bit(struct sta_info *sta); -void sta_info_clear_tim_bit(struct sta_info *sta); +int sta_info_flush(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata); #endif /* STA_INFO_H */ diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 1cd58e01f1ee..80f4343a3007 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -26,6 +26,7 @@ #include "ieee80211_i.h" #include "ieee80211_led.h" +#include "mesh.h" #include "wep.h" #include "wpa.h" #include "wme.h" @@ -86,11 +87,11 @@ static inline void ieee80211_dump_frame(const char *ifname, const char *title, } #endif /* CONFIG_MAC80211_LOWTX_FRAME_DUMP */ -static u16 ieee80211_duration(struct ieee80211_txrx_data *tx, int group_addr, +static u16 ieee80211_duration(struct ieee80211_tx_data *tx, int group_addr, int next_frag_len) { int rate, mrate, erp, dur, i; - struct ieee80211_rate *txrate = tx->u.tx.rate; + struct ieee80211_rate *txrate = tx->rate; struct ieee80211_local *local = tx->local; struct ieee80211_supported_band *sband; @@ -233,7 +234,7 @@ static int inline is_ieee80211_device(struct net_device *dev, /* tx handlers */ static ieee80211_tx_result -ieee80211_tx_h_check_assoc(struct ieee80211_txrx_data *tx) +ieee80211_tx_h_check_assoc(struct ieee80211_tx_data *tx) { #ifdef CONFIG_MAC80211_VERBOSE_DEBUG struct sk_buff *skb = tx->skb; @@ -241,7 +242,7 @@ ieee80211_tx_h_check_assoc(struct ieee80211_txrx_data *tx) #endif /* CONFIG_MAC80211_VERBOSE_DEBUG */ u32 sta_flags; - if (unlikely(tx->flags & IEEE80211_TXRXD_TX_INJECTED)) + if (unlikely(tx->flags & IEEE80211_TX_INJECTED)) return TX_CONTINUE; if (unlikely(tx->local->sta_sw_scanning) && @@ -249,12 +250,15 @@ ieee80211_tx_h_check_assoc(struct ieee80211_txrx_data *tx) (tx->fc & IEEE80211_FCTL_STYPE) != IEEE80211_STYPE_PROBE_REQ)) return TX_DROP; - if (tx->flags & IEEE80211_TXRXD_TXPS_BUFFERED) + if (tx->sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT) + return TX_CONTINUE; + + if (tx->flags & IEEE80211_TX_PS_BUFFERED) return TX_CONTINUE; sta_flags = tx->sta ? tx->sta->flags : 0; - if (likely(tx->flags & IEEE80211_TXRXD_TXUNICAST)) { + if (likely(tx->flags & IEEE80211_TX_UNICAST)) { if (unlikely(!(sta_flags & WLAN_STA_ASSOC) && tx->sdata->vif.type != IEEE80211_IF_TYPE_IBSS && (tx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA)) { @@ -284,7 +288,7 @@ ieee80211_tx_h_check_assoc(struct ieee80211_txrx_data *tx) } static ieee80211_tx_result -ieee80211_tx_h_sequence(struct ieee80211_txrx_data *tx) +ieee80211_tx_h_sequence(struct ieee80211_tx_data *tx) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data; @@ -323,10 +327,8 @@ static void purge_old_ps_buffers(struct ieee80211_local *local) } total += skb_queue_len(&ap->ps_bc_buf); } - rcu_read_unlock(); - read_lock_bh(&local->sta_lock); - list_for_each_entry(sta, &local->sta_list, list) { + list_for_each_entry_rcu(sta, &local->sta_list, list) { skb = skb_dequeue(&sta->ps_tx_buf); if (skb) { purged++; @@ -334,7 +336,8 @@ static void purge_old_ps_buffers(struct ieee80211_local *local) } total += skb_queue_len(&sta->ps_tx_buf); } - read_unlock_bh(&local->sta_lock); + + rcu_read_unlock(); local->total_ps_buffered = total; printk(KERN_DEBUG "%s: PS buffers full - purged %d frames\n", @@ -342,7 +345,7 @@ static void purge_old_ps_buffers(struct ieee80211_local *local) } static ieee80211_tx_result -ieee80211_tx_h_multicast_ps_buf(struct ieee80211_txrx_data *tx) +ieee80211_tx_h_multicast_ps_buf(struct ieee80211_tx_data *tx) { /* * broadcast/multicast frame @@ -379,13 +382,13 @@ ieee80211_tx_h_multicast_ps_buf(struct ieee80211_txrx_data *tx) } /* buffered in hardware */ - tx->u.tx.control->flags |= IEEE80211_TXCTL_SEND_AFTER_DTIM; + tx->control->flags |= IEEE80211_TXCTL_SEND_AFTER_DTIM; return TX_CONTINUE; } static ieee80211_tx_result -ieee80211_tx_h_unicast_ps_buf(struct ieee80211_txrx_data *tx) +ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx) { struct sta_info *sta = tx->sta; DECLARE_MAC_BUF(mac); @@ -439,32 +442,32 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_txrx_data *tx) } static ieee80211_tx_result -ieee80211_tx_h_ps_buf(struct ieee80211_txrx_data *tx) +ieee80211_tx_h_ps_buf(struct ieee80211_tx_data *tx) { - if (unlikely(tx->flags & IEEE80211_TXRXD_TXPS_BUFFERED)) + if (unlikely(tx->flags & IEEE80211_TX_PS_BUFFERED)) return TX_CONTINUE; - if (tx->flags & IEEE80211_TXRXD_TXUNICAST) + if (tx->flags & IEEE80211_TX_UNICAST) return ieee80211_tx_h_unicast_ps_buf(tx); else return ieee80211_tx_h_multicast_ps_buf(tx); } static ieee80211_tx_result -ieee80211_tx_h_select_key(struct ieee80211_txrx_data *tx) +ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx) { struct ieee80211_key *key; u16 fc = tx->fc; - if (unlikely(tx->u.tx.control->flags & IEEE80211_TXCTL_DO_NOT_ENCRYPT)) + if (unlikely(tx->control->flags & IEEE80211_TXCTL_DO_NOT_ENCRYPT)) tx->key = NULL; else if (tx->sta && (key = rcu_dereference(tx->sta->key))) tx->key = key; else if ((key = rcu_dereference(tx->sdata->default_key))) tx->key = key; else if (tx->sdata->drop_unencrypted && - !(tx->u.tx.control->flags & IEEE80211_TXCTL_EAPOL_FRAME) && - !(tx->flags & IEEE80211_TXRXD_TX_INJECTED)) { + !(tx->control->flags & IEEE80211_TXCTL_EAPOL_FRAME) && + !(tx->flags & IEEE80211_TX_INJECTED)) { I802_DEBUG_INC(tx->local->tx_handlers_drop_unencrypted); return TX_DROP; } else @@ -493,13 +496,13 @@ ieee80211_tx_h_select_key(struct ieee80211_txrx_data *tx) } if (!tx->key || !(tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) - tx->u.tx.control->flags |= IEEE80211_TXCTL_DO_NOT_ENCRYPT; + tx->control->flags |= IEEE80211_TXCTL_DO_NOT_ENCRYPT; return TX_CONTINUE; } static ieee80211_tx_result -ieee80211_tx_h_fragment(struct ieee80211_txrx_data *tx) +ieee80211_tx_h_fragment(struct ieee80211_tx_data *tx) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data; size_t hdrlen, per_fragm, num_fragm, payload_len, left; @@ -509,7 +512,7 @@ ieee80211_tx_h_fragment(struct ieee80211_txrx_data *tx) u8 *pos; int frag_threshold = tx->local->fragmentation_threshold; - if (!(tx->flags & IEEE80211_TXRXD_FRAGMENTED)) + if (!(tx->flags & IEEE80211_TX_FRAGMENTED)) return TX_CONTINUE; first = tx->skb; @@ -561,8 +564,8 @@ ieee80211_tx_h_fragment(struct ieee80211_txrx_data *tx) } skb_trim(first, hdrlen + per_fragm); - tx->u.tx.num_extra_frag = num_fragm - 1; - tx->u.tx.extra_frag = frags; + tx->num_extra_frag = num_fragm - 1; + tx->extra_frag = frags; return TX_CONTINUE; @@ -579,7 +582,7 @@ ieee80211_tx_h_fragment(struct ieee80211_txrx_data *tx) } static ieee80211_tx_result -ieee80211_tx_h_encrypt(struct ieee80211_txrx_data *tx) +ieee80211_tx_h_encrypt(struct ieee80211_tx_data *tx) { if (!tx->key) return TX_CONTINUE; @@ -599,56 +602,56 @@ ieee80211_tx_h_encrypt(struct ieee80211_txrx_data *tx) } static ieee80211_tx_result -ieee80211_tx_h_rate_ctrl(struct ieee80211_txrx_data *tx) +ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx) { struct rate_selection rsel; struct ieee80211_supported_band *sband; sband = tx->local->hw.wiphy->bands[tx->local->hw.conf.channel->band]; - if (likely(!tx->u.tx.rate)) { + if (likely(!tx->rate)) { rate_control_get_rate(tx->dev, sband, tx->skb, &rsel); - tx->u.tx.rate = rsel.rate; + tx->rate = rsel.rate; if (unlikely(rsel.probe)) { - tx->u.tx.control->flags |= + tx->control->flags |= IEEE80211_TXCTL_RATE_CTRL_PROBE; - tx->flags |= IEEE80211_TXRXD_TXPROBE_LAST_FRAG; - tx->u.tx.control->alt_retry_rate = tx->u.tx.rate; - tx->u.tx.rate = rsel.probe; + tx->flags |= IEEE80211_TX_PROBE_LAST_FRAG; + tx->control->alt_retry_rate = tx->rate; + tx->rate = rsel.probe; } else - tx->u.tx.control->alt_retry_rate = NULL; + tx->control->alt_retry_rate = NULL; - if (!tx->u.tx.rate) + if (!tx->rate) return TX_DROP; } else - tx->u.tx.control->alt_retry_rate = NULL; + tx->control->alt_retry_rate = NULL; if (tx->sdata->bss_conf.use_cts_prot && - (tx->flags & IEEE80211_TXRXD_FRAGMENTED) && rsel.nonerp) { - tx->u.tx.last_frag_rate = tx->u.tx.rate; + (tx->flags & IEEE80211_TX_FRAGMENTED) && rsel.nonerp) { + tx->last_frag_rate = tx->rate; if (rsel.probe) - tx->flags &= ~IEEE80211_TXRXD_TXPROBE_LAST_FRAG; + tx->flags &= ~IEEE80211_TX_PROBE_LAST_FRAG; else - tx->flags |= IEEE80211_TXRXD_TXPROBE_LAST_FRAG; - tx->u.tx.rate = rsel.nonerp; - tx->u.tx.control->tx_rate = rsel.nonerp; - tx->u.tx.control->flags &= ~IEEE80211_TXCTL_RATE_CTRL_PROBE; + tx->flags |= IEEE80211_TX_PROBE_LAST_FRAG; + tx->rate = rsel.nonerp; + tx->control->tx_rate = rsel.nonerp; + tx->control->flags &= ~IEEE80211_TXCTL_RATE_CTRL_PROBE; } else { - tx->u.tx.last_frag_rate = tx->u.tx.rate; - tx->u.tx.control->tx_rate = tx->u.tx.rate; + tx->last_frag_rate = tx->rate; + tx->control->tx_rate = tx->rate; } - tx->u.tx.control->tx_rate = tx->u.tx.rate; + tx->control->tx_rate = tx->rate; return TX_CONTINUE; } static ieee80211_tx_result -ieee80211_tx_h_misc(struct ieee80211_txrx_data *tx) +ieee80211_tx_h_misc(struct ieee80211_tx_data *tx) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data; u16 fc = le16_to_cpu(hdr->frame_control); u16 dur; - struct ieee80211_tx_control *control = tx->u.tx.control; + struct ieee80211_tx_control *control = tx->control; if (!control->retry_limit) { if (!is_multicast_ether_addr(hdr->addr1)) { @@ -670,7 +673,7 @@ ieee80211_tx_h_misc(struct ieee80211_txrx_data *tx) } } - if (tx->flags & IEEE80211_TXRXD_FRAGMENTED) { + if (tx->flags & IEEE80211_TX_FRAGMENTED) { /* Do not use multiple retry rates when sending fragmented * frames. * TODO: The last fragment could still use multiple retry @@ -682,8 +685,8 @@ ieee80211_tx_h_misc(struct ieee80211_txrx_data *tx) * there are associated non-ERP stations and RTS/CTS is not configured * for the frame. */ if ((tx->sdata->flags & IEEE80211_SDATA_OPERATING_GMODE) && - (tx->u.tx.rate->flags & IEEE80211_RATE_ERP_G) && - (tx->flags & IEEE80211_TXRXD_TXUNICAST) && + (tx->rate->flags & IEEE80211_RATE_ERP_G) && + (tx->flags & IEEE80211_TX_UNICAST) && tx->sdata->bss_conf.use_cts_prot && !(control->flags & IEEE80211_TXCTL_USE_RTS_CTS)) control->flags |= IEEE80211_TXCTL_USE_CTS_PROTECT; @@ -692,18 +695,18 @@ ieee80211_tx_h_misc(struct ieee80211_txrx_data *tx) * short preambles at the selected rate and short preambles are * available on the network at the current point in time. */ if (((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) && - (tx->u.tx.rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) && + (tx->rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) && tx->sdata->bss_conf.use_short_preamble && (!tx->sta || (tx->sta->flags & WLAN_STA_SHORT_PREAMBLE))) { - tx->u.tx.control->flags |= IEEE80211_TXCTL_SHORT_PREAMBLE; + tx->control->flags |= IEEE80211_TXCTL_SHORT_PREAMBLE; } /* Setup duration field for the first fragment of the frame. Duration * for remaining fragments will be updated when they are being sent * to low-level driver in ieee80211_tx(). */ dur = ieee80211_duration(tx, is_multicast_ether_addr(hdr->addr1), - (tx->flags & IEEE80211_TXRXD_FRAGMENTED) ? - tx->u.tx.extra_frag[0]->len : 0); + (tx->flags & IEEE80211_TX_FRAGMENTED) ? + tx->extra_frag[0]->len : 0); hdr->duration_id = cpu_to_le16(dur); if ((control->flags & IEEE80211_TXCTL_USE_RTS_CTS) || @@ -719,7 +722,7 @@ ieee80211_tx_h_misc(struct ieee80211_txrx_data *tx) control->alt_retry_rate = NULL; /* Use min(data rate, max base rate) as CTS/RTS rate */ - rate = tx->u.tx.rate; + rate = tx->rate; baserate = NULL; for (idx = 0; idx < sband->n_bitrates; idx++) { @@ -741,12 +744,12 @@ ieee80211_tx_h_misc(struct ieee80211_txrx_data *tx) tx->sta->tx_packets++; tx->sta->tx_fragments++; tx->sta->tx_bytes += tx->skb->len; - if (tx->u.tx.extra_frag) { + if (tx->extra_frag) { int i; - tx->sta->tx_fragments += tx->u.tx.num_extra_frag; - for (i = 0; i < tx->u.tx.num_extra_frag; i++) { + tx->sta->tx_fragments += tx->num_extra_frag; + for (i = 0; i < tx->num_extra_frag; i++) { tx->sta->tx_bytes += - tx->u.tx.extra_frag[i]->len; + tx->extra_frag[i]->len; } } } @@ -755,13 +758,13 @@ ieee80211_tx_h_misc(struct ieee80211_txrx_data *tx) } static ieee80211_tx_result -ieee80211_tx_h_load_stats(struct ieee80211_txrx_data *tx) +ieee80211_tx_h_load_stats(struct ieee80211_tx_data *tx) { struct ieee80211_local *local = tx->local; struct sk_buff *skb = tx->skb; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; u32 load = 0, hdrtime; - struct ieee80211_rate *rate = tx->u.tx.rate; + struct ieee80211_rate *rate = tx->rate; /* TODO: this could be part of tx_status handling, so that the number * of retries would be known; TX rate should in that case be stored @@ -772,8 +775,8 @@ ieee80211_tx_h_load_stats(struct ieee80211_txrx_data *tx) /* 1 bit at 1 Mbit/s takes 1 usec; in channel_use values, * 1 usec = 1/8 * (1080 / 10) = 13.5 */ - if (tx->u.tx.channel->band == IEEE80211_BAND_5GHZ || - (tx->u.tx.channel->band == IEEE80211_BAND_2GHZ && + if (tx->channel->band == IEEE80211_BAND_5GHZ || + (tx->channel->band == IEEE80211_BAND_2GHZ && rate->flags & IEEE80211_RATE_ERP_G)) hdrtime = CHAN_UTIL_HDR_SHORT; else @@ -783,20 +786,20 @@ ieee80211_tx_h_load_stats(struct ieee80211_txrx_data *tx) if (!is_multicast_ether_addr(hdr->addr1)) load += hdrtime; - if (tx->u.tx.control->flags & IEEE80211_TXCTL_USE_RTS_CTS) + if (tx->control->flags & IEEE80211_TXCTL_USE_RTS_CTS) load += 2 * hdrtime; - else if (tx->u.tx.control->flags & IEEE80211_TXCTL_USE_CTS_PROTECT) + else if (tx->control->flags & IEEE80211_TXCTL_USE_CTS_PROTECT) load += hdrtime; /* TODO: optimise again */ load += skb->len * CHAN_UTIL_RATE_LCM / rate->bitrate; - if (tx->u.tx.extra_frag) { + if (tx->extra_frag) { int i; - for (i = 0; i < tx->u.tx.num_extra_frag; i++) { + for (i = 0; i < tx->num_extra_frag; i++) { load += 2 * hdrtime; - load += tx->u.tx.extra_frag[i]->len * - tx->u.tx.rate->bitrate; + load += tx->extra_frag[i]->len * + tx->rate->bitrate; } } @@ -811,7 +814,7 @@ ieee80211_tx_h_load_stats(struct ieee80211_txrx_data *tx) } -typedef ieee80211_tx_result (*ieee80211_tx_handler)(struct ieee80211_txrx_data *); +typedef ieee80211_tx_result (*ieee80211_tx_handler)(struct ieee80211_tx_data *); static ieee80211_tx_handler ieee80211_tx_handlers[] = { ieee80211_tx_h_check_assoc, @@ -834,7 +837,7 @@ static ieee80211_tx_handler ieee80211_tx_handlers[] = * with Radiotap Header -- only called for monitor mode interface */ static ieee80211_tx_result -__ieee80211_parse_tx_radiotap(struct ieee80211_txrx_data *tx, +__ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx, struct sk_buff *skb) { /* @@ -850,13 +853,13 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_txrx_data *tx, (struct ieee80211_radiotap_header *) skb->data; struct ieee80211_supported_band *sband; int ret = ieee80211_radiotap_iterator_init(&iterator, rthdr, skb->len); - struct ieee80211_tx_control *control = tx->u.tx.control; + struct ieee80211_tx_control *control = tx->control; sband = tx->local->hw.wiphy->bands[tx->local->hw.conf.channel->band]; control->flags |= IEEE80211_TXCTL_DO_NOT_ENCRYPT; - tx->flags |= IEEE80211_TXRXD_TX_INJECTED; - tx->flags &= ~IEEE80211_TXRXD_FRAGMENTED; + tx->flags |= IEEE80211_TX_INJECTED; + tx->flags &= ~IEEE80211_TX_FRAGMENTED; /* * for every radiotap entry that is present @@ -892,7 +895,7 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_txrx_data *tx, r = &sband->bitrates[i]; if (r->bitrate == target_rate) { - tx->u.tx.rate = r; + tx->rate = r; break; } } @@ -930,7 +933,7 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_txrx_data *tx, control->flags &= ~IEEE80211_TXCTL_DO_NOT_ENCRYPT; if (*iterator.this_arg & IEEE80211_RADIOTAP_F_FRAG) - tx->flags |= IEEE80211_TXRXD_FRAGMENTED; + tx->flags |= IEEE80211_TX_FRAGMENTED; break; /* @@ -961,7 +964,7 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_txrx_data *tx, * initialises @tx */ static ieee80211_tx_result -__ieee80211_tx_prepare(struct ieee80211_txrx_data *tx, +__ieee80211_tx_prepare(struct ieee80211_tx_data *tx, struct sk_buff *skb, struct net_device *dev, struct ieee80211_tx_control *control) @@ -977,12 +980,12 @@ __ieee80211_tx_prepare(struct ieee80211_txrx_data *tx, tx->dev = dev; /* use original interface */ tx->local = local; tx->sdata = IEEE80211_DEV_TO_SUB_IF(dev); - tx->u.tx.control = control; + tx->control = control; /* * Set this flag (used below to indicate "automatic fragmentation"), * it will be cleared/left by radiotap as desired. */ - tx->flags |= IEEE80211_TXRXD_FRAGMENTED; + tx->flags |= IEEE80211_TX_FRAGMENTED; /* process and remove the injection radiotap header */ sdata = IEEE80211_DEV_TO_SUB_IF(dev); @@ -1003,20 +1006,20 @@ __ieee80211_tx_prepare(struct ieee80211_txrx_data *tx, tx->fc = le16_to_cpu(hdr->frame_control); if (is_multicast_ether_addr(hdr->addr1)) { - tx->flags &= ~IEEE80211_TXRXD_TXUNICAST; + tx->flags &= ~IEEE80211_TX_UNICAST; control->flags |= IEEE80211_TXCTL_NO_ACK; } else { - tx->flags |= IEEE80211_TXRXD_TXUNICAST; + tx->flags |= IEEE80211_TX_UNICAST; control->flags &= ~IEEE80211_TXCTL_NO_ACK; } - if (tx->flags & IEEE80211_TXRXD_FRAGMENTED) { - if ((tx->flags & IEEE80211_TXRXD_TXUNICAST) && + if (tx->flags & IEEE80211_TX_FRAGMENTED) { + if ((tx->flags & IEEE80211_TX_UNICAST) && skb->len + FCS_LEN > local->fragmentation_threshold && !local->ops->set_frag_threshold) - tx->flags |= IEEE80211_TXRXD_FRAGMENTED; + tx->flags |= IEEE80211_TX_FRAGMENTED; else - tx->flags &= ~IEEE80211_TXRXD_FRAGMENTED; + tx->flags &= ~IEEE80211_TX_FRAGMENTED; } if (!tx->sta) @@ -1039,7 +1042,7 @@ __ieee80211_tx_prepare(struct ieee80211_txrx_data *tx, /* * NB: @tx is uninitialised when passed in here */ -static int ieee80211_tx_prepare(struct ieee80211_txrx_data *tx, +static int ieee80211_tx_prepare(struct ieee80211_tx_data *tx, struct sk_buff *skb, struct net_device *mdev, struct ieee80211_tx_control *control) @@ -1062,9 +1065,9 @@ static int ieee80211_tx_prepare(struct ieee80211_txrx_data *tx, } static int __ieee80211_tx(struct ieee80211_local *local, struct sk_buff *skb, - struct ieee80211_txrx_data *tx) + struct ieee80211_tx_data *tx) { - struct ieee80211_tx_control *control = tx->u.tx.control; + struct ieee80211_tx_control *control = tx->control; int ret, i; if (!ieee80211_qdisc_installed(local->mdev) && @@ -1081,20 +1084,20 @@ static int __ieee80211_tx(struct ieee80211_local *local, struct sk_buff *skb, local->mdev->trans_start = jiffies; ieee80211_led_tx(local, 1); } - if (tx->u.tx.extra_frag) { + if (tx->extra_frag) { control->flags &= ~(IEEE80211_TXCTL_USE_RTS_CTS | IEEE80211_TXCTL_USE_CTS_PROTECT | IEEE80211_TXCTL_CLEAR_PS_FILT | IEEE80211_TXCTL_FIRST_FRAGMENT); - for (i = 0; i < tx->u.tx.num_extra_frag; i++) { - if (!tx->u.tx.extra_frag[i]) + for (i = 0; i < tx->num_extra_frag; i++) { + if (!tx->extra_frag[i]) continue; if (__ieee80211_queue_stopped(local, control->queue)) return IEEE80211_TX_FRAG_AGAIN; - if (i == tx->u.tx.num_extra_frag) { - control->tx_rate = tx->u.tx.last_frag_rate; + if (i == tx->num_extra_frag) { + control->tx_rate = tx->last_frag_rate; - if (tx->flags & IEEE80211_TXRXD_TXPROBE_LAST_FRAG) + if (tx->flags & IEEE80211_TX_PROBE_LAST_FRAG) control->flags |= IEEE80211_TXCTL_RATE_CTRL_PROBE; else @@ -1104,18 +1107,18 @@ static int __ieee80211_tx(struct ieee80211_local *local, struct sk_buff *skb, ieee80211_dump_frame(wiphy_name(local->hw.wiphy), "TX to low-level driver", - tx->u.tx.extra_frag[i]); + tx->extra_frag[i]); ret = local->ops->tx(local_to_hw(local), - tx->u.tx.extra_frag[i], + tx->extra_frag[i], control); if (ret) return IEEE80211_TX_FRAG_AGAIN; local->mdev->trans_start = jiffies; ieee80211_led_tx(local, 1); - tx->u.tx.extra_frag[i] = NULL; + tx->extra_frag[i] = NULL; } - kfree(tx->u.tx.extra_frag); - tx->u.tx.extra_frag = NULL; + kfree(tx->extra_frag); + tx->extra_frag = NULL; } return IEEE80211_TX_OK; } @@ -1126,7 +1129,7 @@ static int ieee80211_tx(struct net_device *dev, struct sk_buff *skb, struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct sta_info *sta; ieee80211_tx_handler *handler; - struct ieee80211_txrx_data tx; + struct ieee80211_tx_data tx; ieee80211_tx_result res = TX_DROP, res_prepare; int ret, i; @@ -1137,22 +1140,19 @@ static int ieee80211_tx(struct net_device *dev, struct sk_buff *skb, return 0; } + rcu_read_lock(); + /* initialises tx */ res_prepare = __ieee80211_tx_prepare(&tx, skb, dev, control); if (res_prepare == TX_DROP) { dev_kfree_skb(skb); + rcu_read_unlock(); return 0; } - /* - * key references are protected using RCU and this requires that - * we are in a read-site RCU section during receive processing - */ - rcu_read_lock(); - sta = tx.sta; - tx.u.tx.channel = local->hw.conf.channel; + tx.channel = local->hw.conf.channel; for (handler = ieee80211_tx_handlers; *handler != NULL; handler++) { @@ -1163,9 +1163,6 @@ static int ieee80211_tx(struct net_device *dev, struct sk_buff *skb, skb = tx.skb; /* handlers are allowed to change skb */ - if (sta) - sta_info_put(sta); - if (unlikely(res == TX_DROP)) { I802_DEBUG_INC(local->tx_handlers_drop); goto drop; @@ -1177,18 +1174,18 @@ static int ieee80211_tx(struct net_device *dev, struct sk_buff *skb, return 0; } - if (tx.u.tx.extra_frag) { - for (i = 0; i < tx.u.tx.num_extra_frag; i++) { + if (tx.extra_frag) { + for (i = 0; i < tx.num_extra_frag; i++) { int next_len, dur; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) - tx.u.tx.extra_frag[i]->data; + tx.extra_frag[i]->data; - if (i + 1 < tx.u.tx.num_extra_frag) { - next_len = tx.u.tx.extra_frag[i + 1]->len; + if (i + 1 < tx.num_extra_frag) { + next_len = tx.extra_frag[i + 1]->len; } else { next_len = 0; - tx.u.tx.rate = tx.u.tx.last_frag_rate; + tx.rate = tx.last_frag_rate; } dur = ieee80211_duration(&tx, 0, next_len); hdr->duration_id = cpu_to_le16(dur); @@ -1223,11 +1220,11 @@ retry: memcpy(&store->control, control, sizeof(struct ieee80211_tx_control)); store->skb = skb; - store->extra_frag = tx.u.tx.extra_frag; - store->num_extra_frag = tx.u.tx.num_extra_frag; - store->last_frag_rate = tx.u.tx.last_frag_rate; + store->extra_frag = tx.extra_frag; + store->num_extra_frag = tx.num_extra_frag; + store->last_frag_rate = tx.last_frag_rate; store->last_frag_rate_ctrl_probe = - !!(tx.flags & IEEE80211_TXRXD_TXPROBE_LAST_FRAG); + !!(tx.flags & IEEE80211_TX_PROBE_LAST_FRAG); } rcu_read_unlock(); return 0; @@ -1235,10 +1232,10 @@ retry: drop: if (skb) dev_kfree_skb(skb); - for (i = 0; i < tx.u.tx.num_extra_frag; i++) - if (tx.u.tx.extra_frag[i]) - dev_kfree_skb(tx.u.tx.extra_frag[i]); - kfree(tx.u.tx.extra_frag); + for (i = 0; i < tx.num_extra_frag; i++) + if (tx.extra_frag[i]) + dev_kfree_skb(tx.extra_frag[i]); + kfree(tx.extra_frag); rcu_read_unlock(); return 0; } @@ -1384,8 +1381,9 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb, struct ieee80211_tx_packet_data *pkt_data; struct ieee80211_sub_if_data *sdata; int ret = 1, head_need; - u16 ethertype, hdrlen, fc; + u16 ethertype, hdrlen, meshhdrlen = 0, fc; struct ieee80211_hdr hdr; + struct ieee80211s_hdr mesh_hdr; const u8 *encaps_data; int encaps_len, skip_header_bytes; int nh_pos, h_pos; @@ -1427,6 +1425,37 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb, memcpy(hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN); hdrlen = 30; break; +#ifdef CONFIG_MAC80211_MESH + case IEEE80211_IF_TYPE_MESH_POINT: + fc |= IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS; + /* RA TA DA SA */ + if (is_multicast_ether_addr(skb->data)) + memcpy(hdr.addr1, skb->data, ETH_ALEN); + else if (mesh_nexthop_lookup(hdr.addr1, skb, dev)) + return 0; + memcpy(hdr.addr2, dev->dev_addr, ETH_ALEN); + memcpy(hdr.addr3, skb->data, ETH_ALEN); + memcpy(hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN); + if (skb->pkt_type == PACKET_OTHERHOST) { + /* Forwarded frame, keep mesh ttl and seqnum */ + struct ieee80211s_hdr *prev_meshhdr; + prev_meshhdr = ((struct ieee80211s_hdr *)skb->cb); + meshhdrlen = ieee80211_get_mesh_hdrlen(prev_meshhdr); + memcpy(&mesh_hdr, prev_meshhdr, meshhdrlen); + sdata->u.sta.mshstats.fwded_frames++; + } else { + if (!sdata->u.sta.mshcfg.dot11MeshTTL) { + /* Do not send frames with mesh_ttl == 0 */ + sdata->u.sta.mshstats.dropped_frames_ttl++; + ret = 0; + goto fail; + } + meshhdrlen = ieee80211_new_mesh_header(&mesh_hdr, + sdata); + } + hdrlen = 30; + break; +#endif case IEEE80211_IF_TYPE_STA: fc |= IEEE80211_FCTL_TODS; /* BSSID SA DA */ @@ -1453,11 +1482,11 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb, * in AP mode) */ if (!is_multicast_ether_addr(hdr.addr1)) { + rcu_read_lock(); sta = sta_info_get(local, hdr.addr1); - if (sta) { + if (sta) sta_flags = sta->flags; - sta_info_put(sta); - } + rcu_read_unlock(); } /* receiver is QoS enabled, use a QoS type frame */ @@ -1471,8 +1500,8 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb, * EAPOL frames from the local station. */ if (unlikely(!is_multicast_ether_addr(hdr.addr1) && - !(sta_flags & WLAN_STA_AUTHORIZED) && - !(ethertype == ETH_P_PAE && + !(sta_flags & WLAN_STA_AUTHORIZED) && + !(ethertype == ETH_P_PAE && compare_ether_addr(dev->dev_addr, skb->data + ETH_ALEN) == 0))) { #ifdef CONFIG_MAC80211_VERBOSE_DEBUG @@ -1525,7 +1554,7 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb, * build in headroom in __dev_alloc_skb() (linux/skbuff.h) and * alloc_skb() (net/core/skbuff.c) */ - head_need = hdrlen + encaps_len + local->tx_headroom; + head_need = hdrlen + encaps_len + meshhdrlen + local->tx_headroom; head_need -= skb_headroom(skb); /* We are going to modify skb data, so make a copy of it if happens to @@ -1559,6 +1588,12 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb, h_pos += encaps_len; } + if (meshhdrlen > 0) { + memcpy(skb_push(skb, meshhdrlen), &mesh_hdr, meshhdrlen); + nh_pos += meshhdrlen; + h_pos += meshhdrlen; + } + if (fc & IEEE80211_STYPE_QOS_DATA) { __le16 *qos_control; @@ -1628,7 +1663,7 @@ void ieee80211_tx_pending(unsigned long data) struct ieee80211_local *local = (struct ieee80211_local *)data; struct net_device *dev = local->mdev; struct ieee80211_tx_stored_packet *store; - struct ieee80211_txrx_data tx; + struct ieee80211_tx_data tx; int i, ret, reschedule = 0; netif_tx_lock_bh(dev); @@ -1640,13 +1675,13 @@ void ieee80211_tx_pending(unsigned long data) continue; } store = &local->pending_packet[i]; - tx.u.tx.control = &store->control; - tx.u.tx.extra_frag = store->extra_frag; - tx.u.tx.num_extra_frag = store->num_extra_frag; - tx.u.tx.last_frag_rate = store->last_frag_rate; + tx.control = &store->control; + tx.extra_frag = store->extra_frag; + tx.num_extra_frag = store->num_extra_frag; + tx.last_frag_rate = store->last_frag_rate; tx.flags = 0; if (store->last_frag_rate_ctrl_probe) - tx.flags |= IEEE80211_TXRXD_TXPROBE_LAST_FRAG; + tx.flags |= IEEE80211_TX_PROBE_LAST_FRAG; ret = __ieee80211_tx(local, store->skb, &tx); if (ret) { if (ret == IEEE80211_TX_FRAG_AGAIN) @@ -1680,7 +1715,6 @@ static void ieee80211_beacon_add_tim(struct ieee80211_local *local, /* Generate bitmap for TIM only if there are any STAs in power save * mode. */ - read_lock_bh(&local->sta_lock); if (atomic_read(&bss->num_sta_ps) > 0) /* in the hope that this is faster than * checking byte-for-byte */ @@ -1731,7 +1765,6 @@ static void ieee80211_beacon_add_tim(struct ieee80211_local *local, *pos++ = aid0; /* Bitmap control */ *pos++ = 0; /* Part Virt Bitmap */ } - read_unlock_bh(&local->sta_lock); } struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, @@ -1746,6 +1779,10 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, struct rate_selection rsel; struct beacon_data *beacon; struct ieee80211_supported_band *sband; + struct ieee80211_mgmt *mgmt; + int *num_beacons; + bool err = true; + u8 *pos; sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; @@ -1753,11 +1790,84 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, sdata = vif_to_sdata(vif); bdev = sdata->dev; - ap = &sdata->u.ap; - beacon = rcu_dereference(ap->beacon); + if (sdata->vif.type == IEEE80211_IF_TYPE_AP) { + ap = &sdata->u.ap; + beacon = rcu_dereference(ap->beacon); + if (ap && beacon) { + /* + * headroom, head length, + * tail length and maximum TIM length + */ + skb = dev_alloc_skb(local->tx_headroom + + beacon->head_len + + beacon->tail_len + 256); + if (!skb) + goto out; + + skb_reserve(skb, local->tx_headroom); + memcpy(skb_put(skb, beacon->head_len), beacon->head, + beacon->head_len); + + ieee80211_include_sequence(sdata, + (struct ieee80211_hdr *)skb->data); + + /* + * Not very nice, but we want to allow the driver to call + * ieee80211_beacon_get() as a response to the set_tim() + * callback. That, however, is already invoked under the + * sta_lock to guarantee consistent and race-free update + * of the tim bitmap in mac80211 and the driver. + */ + if (local->tim_in_locked_section) { + ieee80211_beacon_add_tim(local, ap, skb, beacon); + } else { + unsigned long flags; + + spin_lock_irqsave(&local->sta_lock, flags); + ieee80211_beacon_add_tim(local, ap, skb, beacon); + spin_unlock_irqrestore(&local->sta_lock, flags); + } + + if (beacon->tail) + memcpy(skb_put(skb, beacon->tail_len), + beacon->tail, beacon->tail_len); + + num_beacons = &ap->num_beacons; + + err = false; + } + } else if (ieee80211_vif_is_mesh(&sdata->vif)) { + /* headroom, head length, tail length and maximum TIM length */ + skb = dev_alloc_skb(local->tx_headroom + 400); + if (!skb) + goto out; + + skb_reserve(skb, local->hw.extra_tx_headroom); + mgmt = (struct ieee80211_mgmt *) + skb_put(skb, 24 + sizeof(mgmt->u.beacon)); + memset(mgmt, 0, 24 + sizeof(mgmt->u.beacon)); + mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT, + IEEE80211_STYPE_BEACON); + memset(mgmt->da, 0xff, ETH_ALEN); + memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN); + /* BSSID is left zeroed, wildcard value */ + mgmt->u.beacon.beacon_int = + cpu_to_le16(local->hw.conf.beacon_int); + mgmt->u.beacon.capab_info = 0x0; /* 0x0 for MPs */ - if (!ap || sdata->vif.type != IEEE80211_IF_TYPE_AP || !beacon) { + pos = skb_put(skb, 2); + *pos++ = WLAN_EID_SSID; + *pos++ = 0x0; + + mesh_mgmt_ies_add(skb, sdata->dev); + + num_beacons = &sdata->u.sta.num_beacons; + + err = false; + } + + if (err) { #ifdef CONFIG_MAC80211_VERBOSE_DEBUG if (net_ratelimit()) printk(KERN_DEBUG "no beacon data avail for %s\n", @@ -1767,24 +1877,6 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, goto out; } - /* headroom, head length, tail length and maximum TIM length */ - skb = dev_alloc_skb(local->tx_headroom + beacon->head_len + - beacon->tail_len + 256); - if (!skb) - goto out; - - skb_reserve(skb, local->tx_headroom); - memcpy(skb_put(skb, beacon->head_len), beacon->head, - beacon->head_len); - - ieee80211_include_sequence(sdata, (struct ieee80211_hdr *)skb->data); - - ieee80211_beacon_add_tim(local, ap, skb, beacon); - - if (beacon->tail) - memcpy(skb_put(skb, beacon->tail_len), beacon->tail, - beacon->tail_len); - if (control) { rate_control_get_rate(local->mdev, sband, skb, &rsel); if (!rsel.rate) { @@ -1808,10 +1900,8 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, control->retry_limit = 1; control->flags |= IEEE80211_TXCTL_CLEAR_PS_FILT; } - - ap->num_beacons++; - - out: + (*num_beacons)++; +out: rcu_read_unlock(); return skb; } @@ -1859,7 +1949,7 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw, struct sk_buff *skb; struct sta_info *sta; ieee80211_tx_handler *handler; - struct ieee80211_txrx_data tx; + struct ieee80211_tx_data tx; ieee80211_tx_result res = TX_DROP; struct net_device *bdev; struct ieee80211_sub_if_data *sdata; @@ -1881,7 +1971,6 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw, rcu_read_unlock(); return NULL; } - rcu_read_unlock(); if (bss->dtim_count != 0) return NULL; /* send buffered bc/mc only after DTIM beacon */ @@ -1907,8 +1996,8 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw, dev_kfree_skb_any(skb); } sta = tx.sta; - tx.flags |= IEEE80211_TXRXD_TXPS_BUFFERED; - tx.u.tx.channel = local->hw.conf.channel; + tx.flags |= IEEE80211_TX_PS_BUFFERED; + tx.channel = local->hw.conf.channel; for (handler = ieee80211_tx_handlers; *handler != NULL; handler++) { res = (*handler)(&tx); @@ -1926,8 +2015,7 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw, skb = NULL; } - if (sta) - sta_info_put(sta); + rcu_read_unlock(); return skb; } diff --git a/net/mac80211/util.c b/net/mac80211/util.c index f64804fed0a9..57c404f3f6d0 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -26,6 +26,7 @@ #include "ieee80211_i.h" #include "ieee80211_rate.h" +#include "mesh.h" #include "wme.h" /* privid for wiphys to determine whether they belong to us or not */ @@ -146,17 +147,35 @@ int ieee80211_get_hdrlen_from_skb(const struct sk_buff *skb) } EXPORT_SYMBOL(ieee80211_get_hdrlen_from_skb); -void ieee80211_tx_set_iswep(struct ieee80211_txrx_data *tx) +int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr) +{ + int ae = meshhdr->flags & IEEE80211S_FLAGS_AE; + /* 7.1.3.5a.2 */ + switch (ae) { + case 0: + return 5; + case 1: + return 11; + case 2: + return 17; + case 3: + return 23; + default: + return 5; + } +} + +void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx->skb->data; hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PROTECTED); - if (tx->u.tx.extra_frag) { + if (tx->extra_frag) { struct ieee80211_hdr *fhdr; int i; - for (i = 0; i < tx->u.tx.num_extra_frag; i++) { + for (i = 0; i < tx->num_extra_frag; i++) { fhdr = (struct ieee80211_hdr *) - tx->u.tx.extra_frag[i]->data; + tx->extra_frag[i]->data; fhdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PROTECTED); } } @@ -382,6 +401,7 @@ void ieee80211_iterate_active_interfaces( case IEEE80211_IF_TYPE_STA: case IEEE80211_IF_TYPE_IBSS: case IEEE80211_IF_TYPE_WDS: + case IEEE80211_IF_TYPE_MESH_POINT: break; } if (sdata->dev == local->mdev) diff --git a/net/mac80211/wep.c b/net/mac80211/wep.c index a33ef5cfa9ad..affcecd78c10 100644 --- a/net/mac80211/wep.c +++ b/net/mac80211/wep.c @@ -306,14 +306,14 @@ u8 * ieee80211_wep_is_weak_iv(struct sk_buff *skb, struct ieee80211_key *key) } ieee80211_rx_result -ieee80211_crypto_wep_decrypt(struct ieee80211_txrx_data *rx) +ieee80211_crypto_wep_decrypt(struct ieee80211_rx_data *rx) { if ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA && ((rx->fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT || (rx->fc & IEEE80211_FCTL_STYPE) != IEEE80211_STYPE_AUTH)) return RX_CONTINUE; - if (!(rx->u.rx.status->flag & RX_FLAG_DECRYPTED)) { + if (!(rx->status->flag & RX_FLAG_DECRYPTED)) { if (ieee80211_wep_decrypt(rx->local, rx->skb, rx->key)) { #ifdef CONFIG_MAC80211_DEBUG if (net_ratelimit()) @@ -322,7 +322,7 @@ ieee80211_crypto_wep_decrypt(struct ieee80211_txrx_data *rx) #endif /* CONFIG_MAC80211_DEBUG */ return RX_DROP_UNUSABLE; } - } else if (!(rx->u.rx.status->flag & RX_FLAG_IV_STRIPPED)) { + } else if (!(rx->status->flag & RX_FLAG_IV_STRIPPED)) { ieee80211_wep_remove_iv(rx->local, rx->skb, rx->key); /* remove ICV */ skb_trim(rx->skb, rx->skb->len - 4); @@ -331,13 +331,13 @@ ieee80211_crypto_wep_decrypt(struct ieee80211_txrx_data *rx) return RX_CONTINUE; } -static int wep_encrypt_skb(struct ieee80211_txrx_data *tx, struct sk_buff *skb) +static int wep_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb) { if (!(tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) { if (ieee80211_wep_encrypt(tx->local, skb, tx->key)) return -1; } else { - tx->u.tx.control->key_idx = tx->key->conf.hw_key_idx; + tx->control->key_idx = tx->key->conf.hw_key_idx; if (tx->key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV) { if (!ieee80211_wep_add_iv(tx->local, skb, tx->key)) return -1; @@ -347,21 +347,21 @@ static int wep_encrypt_skb(struct ieee80211_txrx_data *tx, struct sk_buff *skb) } ieee80211_tx_result -ieee80211_crypto_wep_encrypt(struct ieee80211_txrx_data *tx) +ieee80211_crypto_wep_encrypt(struct ieee80211_tx_data *tx) { - tx->u.tx.control->iv_len = WEP_IV_LEN; - tx->u.tx.control->icv_len = WEP_ICV_LEN; - ieee80211_tx_set_iswep(tx); + tx->control->iv_len = WEP_IV_LEN; + tx->control->icv_len = WEP_ICV_LEN; + ieee80211_tx_set_protected(tx); if (wep_encrypt_skb(tx, tx->skb) < 0) { I802_DEBUG_INC(tx->local->tx_handlers_drop_wep); return TX_DROP; } - if (tx->u.tx.extra_frag) { + if (tx->extra_frag) { int i; - for (i = 0; i < tx->u.tx.num_extra_frag; i++) { - if (wep_encrypt_skb(tx, tx->u.tx.extra_frag[i]) < 0) { + for (i = 0; i < tx->num_extra_frag; i++) { + if (wep_encrypt_skb(tx, tx->extra_frag[i]) < 0) { I802_DEBUG_INC(tx->local-> tx_handlers_drop_wep); return TX_DROP; diff --git a/net/mac80211/wep.h b/net/mac80211/wep.h index 43aef50cd0d6..9f723938b63f 100644 --- a/net/mac80211/wep.h +++ b/net/mac80211/wep.h @@ -29,8 +29,8 @@ int ieee80211_wep_decrypt(struct ieee80211_local *local, struct sk_buff *skb, u8 * ieee80211_wep_is_weak_iv(struct sk_buff *skb, struct ieee80211_key *key); ieee80211_rx_result -ieee80211_crypto_wep_decrypt(struct ieee80211_txrx_data *rx); +ieee80211_crypto_wep_decrypt(struct ieee80211_rx_data *rx); ieee80211_tx_result -ieee80211_crypto_wep_encrypt(struct ieee80211_txrx_data *tx); +ieee80211_crypto_wep_encrypt(struct ieee80211_tx_data *tx); #endif /* WEP_H */ diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c index 8cc036decc82..4e94e4026e78 100644 --- a/net/mac80211/wme.c +++ b/net/mac80211/wme.c @@ -153,6 +153,7 @@ static int wme_qdiscop_enqueue(struct sk_buff *skb, struct Qdisc* qd) if (pkt_data->flags & IEEE80211_TXPD_REQUEUE) { queue = pkt_data->queue; + rcu_read_lock(); sta = sta_info_get(local, hdr->addr1); tid = skb->priority & QOS_CONTROL_TAG1D_MASK; if (sta) { @@ -164,8 +165,8 @@ static int wme_qdiscop_enqueue(struct sk_buff *skb, struct Qdisc* qd) } else { pkt_data->flags &= ~IEEE80211_TXPD_AMPDU; } - sta_info_put(sta); } + rcu_read_unlock(); skb_queue_tail(&q->requeued[queue], skb); qd->q.qlen++; return 0; @@ -187,6 +188,8 @@ static int wme_qdiscop_enqueue(struct sk_buff *skb, struct Qdisc* qd) p++; *p = 0; + rcu_read_lock(); + sta = sta_info_get(local, hdr->addr1); if (sta) { int ampdu_queue = sta->tid_to_tx_q[tid]; @@ -197,8 +200,9 @@ static int wme_qdiscop_enqueue(struct sk_buff *skb, struct Qdisc* qd) } else { pkt_data->flags &= ~IEEE80211_TXPD_AMPDU; } - sta_info_put(sta); } + + rcu_read_unlock(); } if (unlikely(queue >= local->hw.queues)) { diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c index b35e51c6ce0c..df0b7341efc8 100644 --- a/net/mac80211/wpa.c +++ b/net/mac80211/wpa.c @@ -71,7 +71,7 @@ static int ieee80211_get_hdr_info(const struct sk_buff *skb, u8 **sa, u8 **da, ieee80211_tx_result -ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx) +ieee80211_tx_h_michael_mic_add(struct ieee80211_tx_data *tx) { u8 *data, *sa, *da, *key, *mic, qos_tid; size_t data_len; @@ -90,7 +90,7 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx) return TX_DROP; if ((tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) && - !(tx->flags & IEEE80211_TXRXD_FRAGMENTED) && + !(tx->flags & IEEE80211_TX_FRAGMENTED) && !(tx->key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_MMIC) && !wpa_test) { /* hwaccel - with no need for preallocated room for Michael MIC @@ -124,7 +124,7 @@ ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx) ieee80211_rx_result -ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx) +ieee80211_rx_h_michael_mic_verify(struct ieee80211_rx_data *rx) { u8 *data, *sa, *da, *key = NULL, qos_tid; size_t data_len; @@ -139,7 +139,7 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx) /* * No way to verify the MIC if the hardware stripped it */ - if (rx->u.rx.status->flag & RX_FLAG_MMIC_STRIPPED) + if (rx->status->flag & RX_FLAG_MMIC_STRIPPED) return RX_CONTINUE; if (!rx->key || rx->key->conf.alg != ALG_TKIP || @@ -161,7 +161,7 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx) ALG_TKIP_TEMP_AUTH_TX_MIC_KEY]; michael_mic(key, da, sa, qos_tid & 0x0f, data, data_len, mic); if (memcmp(mic, data + data_len, MICHAEL_MIC_LEN) != 0 || wpa_test) { - if (!(rx->flags & IEEE80211_TXRXD_RXRA_MATCH)) + if (!(rx->flags & IEEE80211_RX_RA_MATCH)) return RX_DROP_UNUSABLE; printk(KERN_DEBUG "%s: invalid Michael MIC in data frame from " @@ -176,14 +176,14 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx) skb_trim(skb, skb->len - MICHAEL_MIC_LEN); /* update IV in key information to be able to detect replays */ - rx->key->u.tkip.iv32_rx[rx->u.rx.queue] = rx->u.rx.tkip_iv32; - rx->key->u.tkip.iv16_rx[rx->u.rx.queue] = rx->u.rx.tkip_iv16; + rx->key->u.tkip.iv32_rx[rx->queue] = rx->tkip_iv32; + rx->key->u.tkip.iv16_rx[rx->queue] = rx->tkip_iv16; return RX_CONTINUE; } -static int tkip_encrypt_skb(struct ieee80211_txrx_data *tx, +static int tkip_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb, int test) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; @@ -228,7 +228,7 @@ static int tkip_encrypt_skb(struct ieee80211_txrx_data *tx, 0x7f), (u8) key->u.tkip.iv16); - tx->u.tx.control->key_idx = tx->key->conf.hw_key_idx; + tx->control->key_idx = tx->key->conf.hw_key_idx; return 0; } @@ -243,30 +243,30 @@ static int tkip_encrypt_skb(struct ieee80211_txrx_data *tx, ieee80211_tx_result -ieee80211_crypto_tkip_encrypt(struct ieee80211_txrx_data *tx) +ieee80211_crypto_tkip_encrypt(struct ieee80211_tx_data *tx) { struct sk_buff *skb = tx->skb; int wpa_test = 0, test = 0; - tx->u.tx.control->icv_len = TKIP_ICV_LEN; - tx->u.tx.control->iv_len = TKIP_IV_LEN; - ieee80211_tx_set_iswep(tx); + tx->control->icv_len = TKIP_ICV_LEN; + tx->control->iv_len = TKIP_IV_LEN; + ieee80211_tx_set_protected(tx); if ((tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) && !(tx->key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV) && !wpa_test) { /* hwaccel - with no need for preallocated room for IV/ICV */ - tx->u.tx.control->key_idx = tx->key->conf.hw_key_idx; + tx->control->key_idx = tx->key->conf.hw_key_idx; return TX_CONTINUE; } if (tkip_encrypt_skb(tx, skb, test) < 0) return TX_DROP; - if (tx->u.tx.extra_frag) { + if (tx->extra_frag) { int i; - for (i = 0; i < tx->u.tx.num_extra_frag; i++) { - if (tkip_encrypt_skb(tx, tx->u.tx.extra_frag[i], test) + for (i = 0; i < tx->num_extra_frag; i++) { + if (tkip_encrypt_skb(tx, tx->extra_frag[i], test) < 0) return TX_DROP; } @@ -277,7 +277,7 @@ ieee80211_crypto_tkip_encrypt(struct ieee80211_txrx_data *tx) ieee80211_rx_result -ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx) +ieee80211_crypto_tkip_decrypt(struct ieee80211_rx_data *rx) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data; u16 fc; @@ -295,8 +295,8 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx) if (!rx->sta || skb->len - hdrlen < 12) return RX_DROP_UNUSABLE; - if (rx->u.rx.status->flag & RX_FLAG_DECRYPTED) { - if (rx->u.rx.status->flag & RX_FLAG_IV_STRIPPED) { + if (rx->status->flag & RX_FLAG_DECRYPTED) { + if (rx->status->flag & RX_FLAG_IV_STRIPPED) { /* * Hardware took care of all processing, including * replay protection, and stripped the ICV/IV so @@ -312,9 +312,9 @@ ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx) res = ieee80211_tkip_decrypt_data(rx->local->wep_rx_tfm, key, skb->data + hdrlen, skb->len - hdrlen, rx->sta->addr, - hwaccel, rx->u.rx.queue, - &rx->u.rx.tkip_iv32, - &rx->u.rx.tkip_iv16); + hwaccel, rx->queue, + &rx->tkip_iv32, + &rx->tkip_iv16); if (res != TKIP_DECRYPT_OK || wpa_test) { #ifdef CONFIG_MAC80211_DEBUG if (net_ratelimit()) @@ -429,7 +429,7 @@ static inline int ccmp_hdr2pn(u8 *pn, u8 *hdr) } -static int ccmp_encrypt_skb(struct ieee80211_txrx_data *tx, +static int ccmp_encrypt_skb(struct ieee80211_tx_data *tx, struct sk_buff *skb, int test) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; @@ -478,7 +478,7 @@ static int ccmp_encrypt_skb(struct ieee80211_txrx_data *tx, if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) { /* hwaccel - with preallocated room for CCMP header */ - tx->u.tx.control->key_idx = key->conf.hw_key_idx; + tx->control->key_idx = key->conf.hw_key_idx; return 0; } @@ -492,30 +492,30 @@ static int ccmp_encrypt_skb(struct ieee80211_txrx_data *tx, ieee80211_tx_result -ieee80211_crypto_ccmp_encrypt(struct ieee80211_txrx_data *tx) +ieee80211_crypto_ccmp_encrypt(struct ieee80211_tx_data *tx) { struct sk_buff *skb = tx->skb; int test = 0; - tx->u.tx.control->icv_len = CCMP_MIC_LEN; - tx->u.tx.control->iv_len = CCMP_HDR_LEN; - ieee80211_tx_set_iswep(tx); + tx->control->icv_len = CCMP_MIC_LEN; + tx->control->iv_len = CCMP_HDR_LEN; + ieee80211_tx_set_protected(tx); if ((tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) && !(tx->key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) { /* hwaccel - with no need for preallocated room for CCMP " * header or MIC fields */ - tx->u.tx.control->key_idx = tx->key->conf.hw_key_idx; + tx->control->key_idx = tx->key->conf.hw_key_idx; return TX_CONTINUE; } if (ccmp_encrypt_skb(tx, skb, test) < 0) return TX_DROP; - if (tx->u.tx.extra_frag) { + if (tx->extra_frag) { int i; - for (i = 0; i < tx->u.tx.num_extra_frag; i++) { - if (ccmp_encrypt_skb(tx, tx->u.tx.extra_frag[i], test) + for (i = 0; i < tx->num_extra_frag; i++) { + if (ccmp_encrypt_skb(tx, tx->extra_frag[i], test) < 0) return TX_DROP; } @@ -526,7 +526,7 @@ ieee80211_crypto_ccmp_encrypt(struct ieee80211_txrx_data *tx) ieee80211_rx_result -ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx) +ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) rx->skb->data; u16 fc; @@ -547,15 +547,15 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx) if (!rx->sta || data_len < 0) return RX_DROP_UNUSABLE; - if ((rx->u.rx.status->flag & RX_FLAG_DECRYPTED) && - (rx->u.rx.status->flag & RX_FLAG_IV_STRIPPED)) + if ((rx->status->flag & RX_FLAG_DECRYPTED) && + (rx->status->flag & RX_FLAG_IV_STRIPPED)) return RX_CONTINUE; (void) ccmp_hdr2pn(pn, skb->data + hdrlen); - if (memcmp(pn, key->u.ccmp.rx_pn[rx->u.rx.queue], CCMP_PN_LEN) <= 0) { + if (memcmp(pn, key->u.ccmp.rx_pn[rx->queue], CCMP_PN_LEN) <= 0) { #ifdef CONFIG_MAC80211_DEBUG - u8 *ppn = key->u.ccmp.rx_pn[rx->u.rx.queue]; + u8 *ppn = key->u.ccmp.rx_pn[rx->queue]; printk(KERN_DEBUG "%s: CCMP replay detected for RX frame from " "%s (RX PN %02x%02x%02x%02x%02x%02x <= prev. PN " @@ -568,7 +568,7 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx) return RX_DROP_UNUSABLE; } - if (!(rx->u.rx.status->flag & RX_FLAG_DECRYPTED)) { + if (!(rx->status->flag & RX_FLAG_DECRYPTED)) { /* hardware didn't decrypt/verify MIC */ u8 *scratch, *b_0, *aad; @@ -593,7 +593,7 @@ ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx) } } - memcpy(key->u.ccmp.rx_pn[rx->u.rx.queue], pn, CCMP_PN_LEN); + memcpy(key->u.ccmp.rx_pn[rx->queue], pn, CCMP_PN_LEN); /* Remove CCMP header and MIC */ skb_trim(skb, skb->len - CCMP_MIC_LEN); diff --git a/net/mac80211/wpa.h b/net/mac80211/wpa.h index 16e4dba4aa70..d42d221d8a1d 100644 --- a/net/mac80211/wpa.h +++ b/net/mac80211/wpa.h @@ -14,18 +14,18 @@ #include "ieee80211_i.h" ieee80211_tx_result -ieee80211_tx_h_michael_mic_add(struct ieee80211_txrx_data *tx); +ieee80211_tx_h_michael_mic_add(struct ieee80211_tx_data *tx); ieee80211_rx_result -ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx); +ieee80211_rx_h_michael_mic_verify(struct ieee80211_rx_data *rx); ieee80211_tx_result -ieee80211_crypto_tkip_encrypt(struct ieee80211_txrx_data *tx); +ieee80211_crypto_tkip_encrypt(struct ieee80211_tx_data *tx); ieee80211_rx_result -ieee80211_crypto_tkip_decrypt(struct ieee80211_txrx_data *rx); +ieee80211_crypto_tkip_decrypt(struct ieee80211_rx_data *rx); ieee80211_tx_result -ieee80211_crypto_ccmp_encrypt(struct ieee80211_txrx_data *tx); +ieee80211_crypto_ccmp_encrypt(struct ieee80211_tx_data *tx); ieee80211_rx_result -ieee80211_crypto_ccmp_decrypt(struct ieee80211_txrx_data *rx); +ieee80211_crypto_ccmp_decrypt(struct ieee80211_rx_data *rx); #endif /* WPA_H */ diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 5b3474798b8d..64a7460af734 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -81,8 +81,12 @@ static struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] __read_mostly = { [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 }, [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY, .len = NL80211_MAX_SUPP_RATES }, + [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 }, [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 }, [NL80211_ATTR_MNTR_FLAGS] = { .type = NLA_NESTED }, + [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY, + .len = IEEE80211_MAX_MESH_ID_LEN }, + [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 }, }; /* message building helper */ @@ -369,11 +373,14 @@ static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *drv; + struct vif_params params; int err, ifindex; enum nl80211_iftype type; struct net_device *dev; u32 flags; + memset(¶ms, 0, sizeof(params)); + if (info->attrs[NL80211_ATTR_IFTYPE]) { type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); if (type > NL80211_IFTYPE_MAX) @@ -392,12 +399,18 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) goto unlock; } + if (type == NL80211_IFTYPE_MESH_POINT && + info->attrs[NL80211_ATTR_MESH_ID]) { + params.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); + params.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); + } + rtnl_lock(); err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, &flags); err = drv->ops->change_virtual_intf(&drv->wiphy, ifindex, - type, err ? NULL : &flags); + type, err ? NULL : &flags, ¶ms); rtnl_unlock(); unlock: @@ -408,10 +421,13 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *drv; + struct vif_params params; int err; enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; u32 flags; + memset(¶ms, 0, sizeof(params)); + if (!info->attrs[NL80211_ATTR_IFNAME]) return -EINVAL; @@ -430,15 +446,22 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) goto unlock; } + if (type == NL80211_IFTYPE_MESH_POINT && + info->attrs[NL80211_ATTR_MESH_ID]) { + params.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); + params.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); + } + rtnl_lock(); err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, &flags); err = drv->ops->add_virtual_intf(&drv->wiphy, nla_data(info->attrs[NL80211_ATTR_IFNAME]), - type, err ? NULL : &flags); + type, err ? NULL : &flags, ¶ms); rtnl_unlock(); + unlock: cfg80211_put_dev(drv); return err; @@ -866,10 +889,10 @@ static int parse_station_flags(struct nlattr *nla, u32 *staflags) static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq, int flags, struct net_device *dev, - u8 *mac_addr, struct station_stats *stats) + u8 *mac_addr, struct station_info *sinfo) { void *hdr; - struct nlattr *statsattr; + struct nlattr *sinfoattr; hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION); if (!hdr) @@ -878,20 +901,29 @@ static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq, NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr); - statsattr = nla_nest_start(msg, NL80211_ATTR_STA_STATS); - if (!statsattr) + sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); + if (!sinfoattr) goto nla_put_failure; - if (stats->filled & STATION_STAT_INACTIVE_TIME) - NLA_PUT_U32(msg, NL80211_STA_STAT_INACTIVE_TIME, - stats->inactive_time); - if (stats->filled & STATION_STAT_RX_BYTES) - NLA_PUT_U32(msg, NL80211_STA_STAT_RX_BYTES, - stats->rx_bytes); - if (stats->filled & STATION_STAT_TX_BYTES) - NLA_PUT_U32(msg, NL80211_STA_STAT_TX_BYTES, - stats->tx_bytes); - - nla_nest_end(msg, statsattr); + if (sinfo->filled & STATION_INFO_INACTIVE_TIME) + NLA_PUT_U32(msg, NL80211_STA_INFO_INACTIVE_TIME, + sinfo->inactive_time); + if (sinfo->filled & STATION_INFO_RX_BYTES) + NLA_PUT_U32(msg, NL80211_STA_INFO_RX_BYTES, + sinfo->rx_bytes); + if (sinfo->filled & STATION_INFO_TX_BYTES) + NLA_PUT_U32(msg, NL80211_STA_INFO_TX_BYTES, + sinfo->tx_bytes); + if (sinfo->filled & STATION_INFO_LLID) + NLA_PUT_U16(msg, NL80211_STA_INFO_LLID, + sinfo->llid); + if (sinfo->filled & STATION_INFO_PLID) + NLA_PUT_U16(msg, NL80211_STA_INFO_PLID, + sinfo->plid); + if (sinfo->filled & STATION_INFO_PLINK_STATE) + NLA_PUT_U8(msg, NL80211_STA_INFO_PLINK_STATE, + sinfo->plink_state); + + nla_nest_end(msg, sinfoattr); return genlmsg_end(msg, hdr); @@ -899,17 +931,80 @@ static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq, return genlmsg_cancel(msg, hdr); } +static int nl80211_dump_station(struct sk_buff *skb, + struct netlink_callback *cb) +{ + int wp_idx = 0; + int if_idx = 0; + int sta_idx = cb->args[2]; + int wp_start = cb->args[0]; + int if_start = cb->args[1]; + struct station_info sinfo; + struct cfg80211_registered_device *dev; + struct wireless_dev *wdev; + u8 mac_addr[ETH_ALEN]; + int err; + int exit = 0; + + /* TODO: filter by device */ + mutex_lock(&cfg80211_drv_mutex); + list_for_each_entry(dev, &cfg80211_drv_list, list) { + if (exit) + break; + if (++wp_idx < wp_start) + continue; + if_idx = 0; + + mutex_lock(&dev->devlist_mtx); + list_for_each_entry(wdev, &dev->netdev_list, list) { + if (exit) + break; + if (++if_idx < if_start) + continue; + if (!dev->ops->dump_station) + continue; + + for (;; ++sta_idx) { + rtnl_lock(); + err = dev->ops->dump_station(&dev->wiphy, + wdev->netdev, sta_idx, mac_addr, + &sinfo); + rtnl_unlock(); + if (err) { + sta_idx = 0; + break; + } + if (nl80211_send_station(skb, + NETLINK_CB(cb->skb).pid, + cb->nlh->nlmsg_seq, NLM_F_MULTI, + wdev->netdev, mac_addr, + &sinfo) < 0) { + exit = 1; + break; + } + } + } + mutex_unlock(&dev->devlist_mtx); + } + mutex_unlock(&cfg80211_drv_mutex); + + cb->args[0] = wp_idx; + cb->args[1] = if_idx; + cb->args[2] = sta_idx; + + return skb->len; +} static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *drv; int err; struct net_device *dev; - struct station_stats stats; + struct station_info sinfo; struct sk_buff *msg; u8 *mac_addr = NULL; - memset(&stats, 0, sizeof(stats)); + memset(&sinfo, 0, sizeof(sinfo)); if (!info->attrs[NL80211_ATTR_MAC]) return -EINVAL; @@ -926,15 +1021,18 @@ static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) } rtnl_lock(); - err = drv->ops->get_station(&drv->wiphy, dev, mac_addr, &stats); + err = drv->ops->get_station(&drv->wiphy, dev, mac_addr, &sinfo); rtnl_unlock(); + if (err) + goto out; + msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); if (!msg) goto out; if (nl80211_send_station(msg, info->snd_pid, info->snd_seq, 0, - dev, mac_addr, &stats) < 0) + dev, mac_addr, &sinfo) < 0) goto out_free; err = genlmsg_unicast(msg, info->snd_pid); @@ -1005,6 +1103,10 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) ¶ms.station_flags)) return -EINVAL; + if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) + params.plink_action = + nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); + err = get_drv_dev_by_info_ifindex(info, &drv, &dev); if (err) return err; @@ -1119,6 +1221,273 @@ static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) return err; } +static int nl80211_send_mpath(struct sk_buff *msg, u32 pid, u32 seq, + int flags, struct net_device *dev, + u8 *dst, u8 *next_hop, + struct mpath_info *pinfo) +{ + void *hdr; + struct nlattr *pinfoattr; + + hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION); + if (!hdr) + return -1; + + NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex); + NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst); + NLA_PUT(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop); + + pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); + if (!pinfoattr) + goto nla_put_failure; + if (pinfo->filled & MPATH_INFO_FRAME_QLEN) + NLA_PUT_U32(msg, NL80211_MPATH_INFO_FRAME_QLEN, + pinfo->frame_qlen); + if (pinfo->filled & MPATH_INFO_DSN) + NLA_PUT_U32(msg, NL80211_MPATH_INFO_DSN, + pinfo->dsn); + if (pinfo->filled & MPATH_INFO_METRIC) + NLA_PUT_U32(msg, NL80211_MPATH_INFO_METRIC, + pinfo->metric); + if (pinfo->filled & MPATH_INFO_EXPTIME) + NLA_PUT_U32(msg, NL80211_MPATH_INFO_EXPTIME, + pinfo->exptime); + if (pinfo->filled & MPATH_INFO_FLAGS) + NLA_PUT_U8(msg, NL80211_MPATH_INFO_FLAGS, + pinfo->flags); + if (pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) + NLA_PUT_U32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, + pinfo->discovery_timeout); + if (pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) + NLA_PUT_U8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, + pinfo->discovery_retries); + + nla_nest_end(msg, pinfoattr); + + return genlmsg_end(msg, hdr); + + nla_put_failure: + return genlmsg_cancel(msg, hdr); +} + +static int nl80211_dump_mpath(struct sk_buff *skb, + struct netlink_callback *cb) +{ + int wp_idx = 0; + int if_idx = 0; + int sta_idx = cb->args[2]; + int wp_start = cb->args[0]; + int if_start = cb->args[1]; + struct mpath_info pinfo; + struct cfg80211_registered_device *dev; + struct wireless_dev *wdev; + u8 dst[ETH_ALEN]; + u8 next_hop[ETH_ALEN]; + int err; + int exit = 0; + + /* TODO: filter by device */ + mutex_lock(&cfg80211_drv_mutex); + list_for_each_entry(dev, &cfg80211_drv_list, list) { + if (exit) + break; + if (++wp_idx < wp_start) + continue; + if_idx = 0; + + mutex_lock(&dev->devlist_mtx); + list_for_each_entry(wdev, &dev->netdev_list, list) { + if (exit) + break; + if (++if_idx < if_start) + continue; + if (!dev->ops->dump_mpath) + continue; + + for (;; ++sta_idx) { + rtnl_lock(); + err = dev->ops->dump_mpath(&dev->wiphy, + wdev->netdev, sta_idx, dst, + next_hop, &pinfo); + rtnl_unlock(); + if (err) { + sta_idx = 0; + break; + } + if (nl80211_send_mpath(skb, + NETLINK_CB(cb->skb).pid, + cb->nlh->nlmsg_seq, NLM_F_MULTI, + wdev->netdev, dst, next_hop, + &pinfo) < 0) { + exit = 1; + break; + } + } + } + mutex_unlock(&dev->devlist_mtx); + } + mutex_unlock(&cfg80211_drv_mutex); + + cb->args[0] = wp_idx; + cb->args[1] = if_idx; + cb->args[2] = sta_idx; + + return skb->len; +} + +static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *drv; + int err; + struct net_device *dev; + struct mpath_info pinfo; + struct sk_buff *msg; + u8 *dst = NULL; + u8 next_hop[ETH_ALEN]; + + memset(&pinfo, 0, sizeof(pinfo)); + + if (!info->attrs[NL80211_ATTR_MAC]) + return -EINVAL; + + dst = nla_data(info->attrs[NL80211_ATTR_MAC]); + + err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + if (err) + return err; + + if (!drv->ops->get_mpath) { + err = -EOPNOTSUPP; + goto out; + } + + rtnl_lock(); + err = drv->ops->get_mpath(&drv->wiphy, dev, dst, next_hop, &pinfo); + rtnl_unlock(); + + if (err) + goto out; + + msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); + if (!msg) + goto out; + + if (nl80211_send_mpath(msg, info->snd_pid, info->snd_seq, 0, + dev, dst, next_hop, &pinfo) < 0) + goto out_free; + + err = genlmsg_unicast(msg, info->snd_pid); + goto out; + + out_free: + nlmsg_free(msg); + + out: + cfg80211_put_dev(drv); + dev_put(dev); + return err; +} + +static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *drv; + int err; + struct net_device *dev; + u8 *dst = NULL; + u8 *next_hop = NULL; + + if (!info->attrs[NL80211_ATTR_MAC]) + return -EINVAL; + + if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) + return -EINVAL; + + dst = nla_data(info->attrs[NL80211_ATTR_MAC]); + next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); + + err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + if (err) + return err; + + if (!drv->ops->change_mpath) { + err = -EOPNOTSUPP; + goto out; + } + + rtnl_lock(); + err = drv->ops->change_mpath(&drv->wiphy, dev, dst, next_hop); + rtnl_unlock(); + + out: + cfg80211_put_dev(drv); + dev_put(dev); + return err; +} +static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *drv; + int err; + struct net_device *dev; + u8 *dst = NULL; + u8 *next_hop = NULL; + + if (!info->attrs[NL80211_ATTR_MAC]) + return -EINVAL; + + if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) + return -EINVAL; + + dst = nla_data(info->attrs[NL80211_ATTR_MAC]); + next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); + + err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + if (err) + return err; + + if (!drv->ops->add_mpath) { + err = -EOPNOTSUPP; + goto out; + } + + rtnl_lock(); + err = drv->ops->add_mpath(&drv->wiphy, dev, dst, next_hop); + rtnl_unlock(); + + out: + cfg80211_put_dev(drv); + dev_put(dev); + return err; +} + +static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *drv; + int err; + struct net_device *dev; + u8 *dst = NULL; + + if (info->attrs[NL80211_ATTR_MAC]) + dst = nla_data(info->attrs[NL80211_ATTR_MAC]); + + err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + if (err) + return err; + + if (!drv->ops->del_mpath) { + err = -EOPNOTSUPP; + goto out; + } + + rtnl_lock(); + err = drv->ops->del_mpath(&drv->wiphy, dev, dst); + rtnl_unlock(); + + out: + cfg80211_put_dev(drv); + dev_put(dev); + return err; +} + static struct genl_ops nl80211_ops[] = { { .cmd = NL80211_CMD_GET_WIPHY, @@ -1203,7 +1572,7 @@ static struct genl_ops nl80211_ops[] = { { .cmd = NL80211_CMD_GET_STATION, .doit = nl80211_get_station, - /* TODO: implement dumpit */ + .dumpit = nl80211_dump_station, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, }, @@ -1225,6 +1594,31 @@ static struct genl_ops nl80211_ops[] = { .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, }, + { + .cmd = NL80211_CMD_GET_MPATH, + .doit = nl80211_get_mpath, + .dumpit = nl80211_dump_mpath, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + }, + { + .cmd = NL80211_CMD_SET_MPATH, + .doit = nl80211_set_mpath, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + }, + { + .cmd = NL80211_CMD_NEW_MPATH, + .doit = nl80211_new_mpath, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + }, + { + .cmd = NL80211_CMD_DEL_MPATH, + .doit = nl80211_del_mpath, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + }, }; /* multicast groups */ |