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path: root/drivers/net/wireless/ath
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2011-04-25ath9k_hw: Enable byte Tx/Rx data swap for AR9340Vasanthakumar Thiagarajan1-1/+3
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-25ath9k_hw: Configure tuning capacitance value for AR9340 as wellVasanthakumar Thiagarajan1-1/+1
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-25ath9k_hw: Skip internal regulator configuration for AR9340Vasanthakumar Thiagarajan1-1/+2
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-25ath9k_hw: Don't configure AR_CH0_THERM for AR9340Vasanthakumar Thiagarajan1-3/+7
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-25ath9k_hw: Fix register offset AR_PHY_65NM_CH0_THERM for AR9340Vasanthakumar Thiagarajan1-1/+1
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-25ath9k_hw: Clean up rx/tx chain configuration before AGC/IQ calVasanthakumar Thiagarajan1-8/+5
Use hw supported chains instead of hard coded values. Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-25ath9k_hw: Configure RF channel freqency for AR9340Vasanthakumar Thiagarajan1-3/+20
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-25ath9k_hw: Read spur frequency information from eeprom for AR9340Vasanthakumar Thiagarajan1-2/+2
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-25ath9k_hw: Initialize tx and rx gain table from initvals.h for ar9340Vasanthakumar Thiagarajan1-6/+36
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-25ath9k_hw: Don't do ani initialization for AR9340Vasanthakumar Thiagarajan1-1/+1
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-25ath9k_hw: Initialize mode registers from initvals.h for AR9340Vasanthakumar Thiagarajan3-1/+62
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-25ath9k_hw: Add initvals.h for ar9340Vasanthakumar Thiagarajan1-0/+1525
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-25ath9k_hw: Configure pll control register accordingly for AR9340Vasanthakumar Thiagarajan4-3/+56
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-25ath9k_hw: Get AHB clock information from ath9k_platform_dataVasanthakumar Thiagarajan2-0/+3
Add a bool in ath9k_platform_data to pass AHB clock speed information. Driver needs this to configure PLL on some SOCs. Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-25ath9k_hw: Take care of few host interface register changes for AR9340Vasanthakumar Thiagarajan1-30/+43
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-25ath9k_hw: Define devid and mac version for AR9340Vasanthakumar Thiagarajan3-1/+6
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-19ath9k: assign keycache slots to unencrypted stationsFelix Fietkau4-4/+36
Frame filtering relies on having a valid destination index (keycache slot), to keep track of the destination. Assigning a keycache slot (configured to unencrypted, with no key data attached) improves powersave handling in AP mode with no encryption. The dummy keycache entry for a station is cleared, when a real key gets added. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-19ath9k: fix powersave frame filtering/buffering in AP modeFelix Fietkau8-15/+145
This patch fixes a long standing issue of pending packets in the queue being sent (and retransmitted many times) to sleeping stations. This was made worse by aggregation through driver-internal retransmitting of A-MDPU subframes. Previously the hardware tx filter was cleared unconditionally for every single packet - with this patch it uses the IEEE80211_TX_CTL_CLEAR_PS_FILT for unaggregated frames. A sta_notify driver op is added to stop aggregation for stations when they enter powersave mode. Subframes stay buffered inside the driver, to ensure that the BlockAck window keeps a sane state. Since the driver uses software aggregation, the clearing of the tx filter needs to be handled by the driver instead of mac80211 for aggregated frames. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-19ath9k: Fix beacon generation on foreign channelRajkumar Manoharan1-14/+22
While leaving the oper channel, beacon generation is stopped by mac80211 and beacon slots are marked as inactive. During the scan, ath9k configures beacon timers based on IEEE80211_CONF_OFFCHANNEL which inturn generates beacon alert even though bslot is inactive. ath9k fails to disable beacon alert while moving to offchannel if none of the beacon slot is active. This is causing beacon transmission on foreign channel. This patch enables swba based on active bslots. This issue was reported with two vifs (AP+STA) and triggered scan in STA vif in unassociated state. Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-19ath9k_htc: Fix free slot value for cab queueRajkumar Manoharan1-1/+1
ath9k_htc_tx_get_slot can return zero as valid index. Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com> Acked-by: Sujith Manoharan <Sujith.Manoharan@Atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-19ath9k_htc: Cleanup HTC debugfsRajkumar Manoharan3-137/+27
Move the ath9k_htc debugfs under ieee80211 to be inline with ath9k driver and it also helps to simplify debug code. Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com> Acked-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-19ath9k_htc: Add debugfs support to change debug maskRajkumar Manoharan2-0/+50
Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com> Acked-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-19ath: fix 0x6C for beaconing/passive scan flags based on country IELuis R. Rodriguez1-0/+1
The 0x6C regulatory domain is just like the 0x6A regulatory domain but differs in that 0x6C will allow adhoc and active scan on its channels only if we are associated to an AP with a country IE that allows those channels. The ath_reg_apply_beaconing_flags() does just this -- we respect the manufacturer's intent on only enabling beaconing modes of operation if and only if blessed by the country IE. Cc: David Quan <david.quan@atheros.com> Cc: Senthil Balasubramanian <senthilkumar@atheros.com> Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-19ath9k: fix the return value of ath_stoprecvFelix Fietkau1-1/+1
The patch 'ath9k_hw: fix stopping rx DMA during resets' added code to detect a condition where rx DMA was stopped, but the MAC failed to enter the idle state. This condition requires a hardware reset, however the return value of ath_stoprecv was 'true' in that case, which allowed it to skip the reset when issuing a fast channel change. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Reported-by: Paul Stewart <pstew@google.com> Cc: stable@kernel.org Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-14ath: Add a missing world regulatory domain 0x6CSenthil Balasubramanian2-3/+6
Some customers use 0x6C world regulatory domain and this patch adds the support. Cc: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-14ath5k: disable 5 GHz support for the dualband PHY chip on dual-radio AR5312Felix Fietkau3-1/+17
There are two variants of AR5312 dual-band devices, one single-radio and the other one dual-radio. On the dual-radio board, the first MAC only supports 5 GHz, even though it has a dual-band PHY. The 2.4 GHz part of this phy is used in pass-through mode, connecting the second MAC with the second PHY. Disable 2.4 GHz for the first MAC on an AR5312, but only if the board configuration indicates a dual-radio device. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-14ath5k: fix the EEPROM check for hw AES crypto supportFelix Fietkau1-1/+1
EEPROM version 5.0 adds a new field for disabling AES support, having an older version means that AES is present. This patch fixes hw AES crypto support on AR5312 boards, which have an older EEPROM version. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-14ath5k: add a new bus op for reading the mac addressFelix Fietkau5-31/+52
On AHB, the calibration data usually does not contain a valid MAC address, the correct MAC address is stored in the board config. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-14ath: unshare struct ath_bus_ops between ath5k and ath9kFelix Fietkau3-8/+15
This struct is not used in any common code, and moving it out of the ath header makes it easier to add more driver specific ops. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-14ath5k: disable 5 GHz support if a 2.4 GHz radio is detectedFelix Fietkau1-0/+3
On a dual-radio dual-band AR5312 device, the calibration data is shared between the 5 GHz and the 2.4 GHz radio/MAC. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-14ath9k: Fix improper beacon slot selection in IBSSRajkumar Manoharan1-1/+6
Request a re-configuration of Beacon related timers on the receipt of the first Beacon frame has to be set only for station mode. Setting beacon sync for IBSS is causing wrong beacon slot selection on beacon generation. Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-14ath9k: avoid using trinary operator w/ TX_STAT_INCJohn W. Linville1-1/+4
Otherwise, you get this: CC [M] drivers/net/wireless/ath/ath9k/hif_usb.o drivers/net/wireless/ath/ath9k/hif_usb.c: In function ‘ath9k_skb_queue_complete’: drivers/net/wireless/ath/ath9k/hif_usb.c:230:12: error: expected expression before ‘do’ make[2]: *** [drivers/net/wireless/ath/ath9k/hif_usb.o] Error 1 make[1]: *** [drivers/net/wireless/ath/ath9k] Error 2 make: *** [drivers/net/wireless/ath/] Error 2 The TX_STAT_INC macro should probably be changed to accomodate such usage, although using a trinary operator in place of an if-else seems questionable to me anyway. Signed-off-by: John W. Linville <linville@tuxdriver.com> Acked-by: Sujith Manoharan <Sujith.Manoharan@Atheros.com>
2011-04-13ath9k_htc: Enable AP and P2P modesSujith Manoharan1-1/+4
Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-13ath9k_htc: Add detailed firmware statisticsSujith Manoharan4-52/+195
New debugfs files: <debugfs_root>/ath9k_htc/<phy#>/tgt_int_stats <debugfs_root>/ath9k_htc/<phy#>/tgt_tx_stats <debugfs_root>/ath9k_htc/<phy#>/tgt_rx_stats Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-13ath9k_htc: Use helper routines for transmissionSujith Manoharan1-100/+127
Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-13ath9k_htc: Use separate URB pool for management framesSujith Manoharan2-9/+108
Beacon transmission needs to involve as little latency as possible after receiving a SWBA event from the target. Since packets are buffered to use TX stream mode, beacon frames sometimes gets queued up and are not sent out immediately. Fix this by decoupling management frame transmission from the normal data path and send them out immediately. Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-13ath9k_htc: Add a timer to cleanup WMI eventsSujith Manoharan6-3/+159
Occasionally, a WMI event would arrive ahead of the TX URB completion handler. Discarding these events would exhaust the available TX slots, so handle them by running a timer cleaning up such events. Also, timeout packets for which TX completion events have not arrived. Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-13ath9k_htc: Add a debugfs file showing endpoint statusSujith Manoharan2-0/+55
Location: ath9k_htc/phy#/queue Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-13ath9k_htc: Add a debugfs file to dump TX slot informationSujith Manoharan2-0/+43
Location: ath9k_htc/phy#/slot Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-13ath9k_htc: Add support for TX completionSujith Manoharan5-31/+207
Now that the infrastructure is in place, process WMI TX status events and complete packets. Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-13ath9k_htc: Drain packets on station removalSujith Manoharan6-0/+54
When a station entry is removed, there could still be pending packets destined for that station in the HIF layer. Sending these to the target is not necessary, so drain them in the driver itself. Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-13ath9k_htc: Optimize HTC start/stop APISujith Manoharan3-21/+6
There is no point in looping over all the endpoints, since the HIF layer uses the start/stop APIs only for the TX pipe. Simplify the API accordingly. Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-13ath9k_htc: Drain pending TX frames properlySujith Manoharan6-49/+69
When doing a channel set or a reset operation the pending frames queued up for transmission have to be flushed and sent to mac80211. Fixing this has to be done in two separate steps: * Flush queued frames and kill the URB TX completion handler. * Complete all the frames that in the TX pending queue. This patch adds proper support for draining and all the callsites namely, channel change/reset/idle/stop are fixed. A separate queue is used for handling failed frames. Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-13ath9k_htc: Use helper functions for TX processingSujith Manoharan1-64/+73
Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-13ath9k_htc: Add TX slotsSujith Manoharan4-14/+73
Maintain a bitmap of slots for transmission and update the cookie field for every packet with the slot value. This value would be used for matching packets when TX completion processing is added. Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-13ath9k_htc: Move endpoint header parsing to TX taskletSujith Manoharan2-23/+46
There is no need to do endpoint header removal in the ISR. Also, this is needed when TX slot management is added later on. Use a helper function to strip the driver header. Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-13ath9k_htc: Introduce new HTC APISujith Manoharan6-30/+49
A new routine that takes an endpoint explicitly is introduced. The normal htc_send() now retrieves the endpoint from the packet's private data. This would be useful in TX completion when the endpoint ID would be required. While at it, use a helper function to map the queue to endpoint. Data/mgmt/beacon packets use htc_send(), while WMI comamnds pass the endpoint to HTC. Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-13ath9k_htc: Fix TX queue managementSujith Manoharan5-27/+52
Handle queue start/stop properly by maintaining a counter to check if the pending frame count has exceeded the threshold. Otherwise, packets would be dropped needlessly. While at it, use a simple flag to track queue status and use helper functions too. Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-13ath9k_htc: Increase URB count for REG_IN pipeSujith Manoharan2-42/+61
Using a single URB for receiving WMI events is insufficient, increase it to 64 to not lose WMI events in high throughput situations. Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-13ath9k_htc: Add a new WMI event WMI_TXSTATUS_EVENTIDSujith Manoharan1-0/+39
This event will be generated by the target for packet completions. Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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