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path: root/drivers/net/wireless/ath
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2014-01-09ath9k: Use correct channel for RX packetsSujith Manoharan1-11/+14
Accessing the current channel definition in mac80211 when processing RX packets is problematic because it could have been updated when a scan is issued. Since a channel change involves flushing the existing packets in the RX queue before a chip-reset is done, they would be processed using the wrong band/channel information. To avoid this, use the current channel information maintained in the driver. Cc: stable@vger.kernel.org Reported-by: Oleksij Rempel <linux@rempel-privat.de> Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-09ath9k: Update WB335 PCI IDsSujith Manoharan1-19/+82
* Add new AR9565 1.0/1.0.1/1.1 IDs * Change Dell/Lenovo/Samsung cards to 2-Antenna with diversity. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-09wil6210: prefetch head of packetVladimir Kondratiev1-0/+3
As soon as skb is ready to be reaped, prefetch 1-st cache line. This accelerates data access that is performed later, during the packet classification by the driver and IP stack. Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-09wil6210: Fix IP version indication for Tx csum offloadVladimir Kondratiev1-2/+3
Bit DMA_CFG_DESC_TX_OFFLOAD_CFG_L3T_IPV4_POS should be set for IPv4 only. Don't set it for IPv6 Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-09wil6210: interrupt moderationVladimir Kondratiev2-0/+14
Use hardware capabilities to limit IRQ generation to about 15 per msec It corresponds to about 7 packets/IRQ when running iperf with default parameters at 1.3Gbps Do not enable this feature in the sniffer (monitor) mode, because interrupt moderation cause timestamp accuracy deterioration. For the sniffer flow, it is important to get precise timestamp. Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-06Merge branch 'master' of ↵John W. Linville4-19/+67
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
2014-01-04wireless: delete non-required instances of include <linux/init.h>Paul Gortmaker5-5/+0
None of these files are actually using any __init type directives and hence don't need to include <linux/init.h>. Most are just a left over from __devinit and __cpuinit removal, or simply due to code getting copied from one driver to the next. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Acked-by: Christian Lamparter <chunkeey@googlemail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath9k: Fix regulatory complianceSujith Manoharan1-3/+2
The maximum permissible values for noise floor in ETSI and Japan domains have been updated with new EU regulations for CCA detection. Adjust the values in the driver accordingly. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath9k: Fix AR955x RX sensitivitySujith Manoharan2-0/+233
AR955x has problems with RX sensitivity in 2G. This patch adds a routine to select range_osdac dynamically on a per-chain basis to address this issue. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath9k: Add hardware support for QCA9531Sujith Manoharan4-24/+57
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath9k: Initialize QCA953x INI arraysSujith Manoharan1-1/+47
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath9k: Add QCA953x initvalsSujith Manoharan1-0/+718
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath9k: Assign macVersion for QCA9531Sujith Manoharan2-0/+6
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath9k: Add version/revision macros for QCA9531Sujith Manoharan1-1/+12
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04carl9170: use ether_addr_equal_64bitsJulia Lawall1-3/+3
Ether_addr_equal_64bits is more efficient than ether_addr_equal, and can be used when each argument is an array within a structure that contains at least two bytes of data beyond the array. The structures involved are: ieee80211_hdr defined in include/linux/ieee80211.h, ieee80211_bar defined in include/linux/ieee80211.h and ath_common defined in drivers/net/wireless/ath/ath.h This was done using Coccinelle (http://coccinelle.lip6.fr/). Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Acked-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath9k: use ether_addr_equal_64bitsJulia Lawall2-2/+2
Ether_addr_equal_64bits is more efficient than ether_addr_equal, and can be used when each argument is an array within a structure that contains at least two bytes of data beyond the array. The structures involved are: ieee80211_hdr defined in include/linux/ieee80211.h ath_common defined in drivers/net/wireless/ath/ath.h This was done using Coccinelle (http://coccinelle.lip6.fr/). Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath5k: use ether_addr_equal_64bitsJulia Lawall1-2/+2
Ether_addr_equal_64bits is more efficient than ether_addr_equal, and can be used when each argument is an array within a structure that contains at least two bytes of data beyond the array. The structures involved are: ieee80211_mgmt defined in include/linux/ieee80211.h and ath_common defined in drivers/net/wireless/ath/ath.h This was done using Coccinelle (http://coccinelle.lip6.fr/). Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath9k: Fix interrupt statisticsSujith Manoharan1-1/+1
Initialize "sync_cause" to zero since commit "ath9k: move ath9k_debug_sync_cause out of ath9k_hw" fills it conditionally based on ISR status. Not doing this results in garbage values in debugfs. Cc: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath9k: Remove unused config option ack_6mbSujith Manoharan2-3/+0
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath9k: Fix AR9100 chip power-onSujith Manoharan1-1/+5
AR9100 requires a larger delay after waking up the RTC. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath9k: Cleanup __ath9k_hw_init()Sujith Manoharan1-32/+32
* Move initialization of config variables to ath9k_hw_init_config(). * Move initialization of defaults to ath9k_hw_init_defaults(). Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath9k: Handle unsupported MAC versions earlySujith Manoharan1-24/+24
There is no point in trying to bring up the chip when the MAC version is not present in the supported list. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath9k: Move private HW callbacks to hw-ops.hSujith Manoharan2-39/+27
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath9k: Remove unused functionsSujith Manoharan1-12/+0
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath9k: Fix "cc_lock" usageSujith Manoharan2-9/+7
IRQ save/restore is not required for the cycle counters since they are accessed only from softirq and process context. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath9k: Process BB watchdog events in the taskletSujith Manoharan1-8/+6
Move the BB processing code to the tasklet and avoid doing it in the ISR, there is no real benefit and this makes the ISR less heavy. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath9k: Remove RX PollSujith Manoharan7-77/+17
This patch removes the convoluted and hacky method of monitoring for connectivity. We rely on mac80211's connection loss logic and doing it in the driver is not necessary. The HW check for MAC/BB hangs is also simplified, there is no need to have a separate work instance for it. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath9k: Fix baseband watchdog resetSujith Manoharan1-8/+19
Do a HW reset only for required signatures. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath9k: Identify baseband watchdog signaturesSujith Manoharan3-0/+65
A full HW reset is not required for all baseband watchdog signatures. Some BB watchdog updates are benign and can be discarded, some require re-programming of certain registers and others require a chip reset. This patch adds a routine to identify such signatures. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath9k: Fix baseband watchdog interruptsSujith Manoharan3-6/+27
Program the required baseband watchdog interrupt mask to ensure that the correct watchdog interrupts are raised when the BB is hung for some reason. Also, use the capability HW_BB_WATCHDOG instead of relying on other flags. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath9k: Fix PHY restart workaroundSujith Manoharan2-11/+11
The PHY restart workaround that handles baseband hangs for packets with unsupported rates is required only for a HW bug in AR9300 v2.2. All the subsequent chips in the AR9003 family do not require this driver fix since it has been addressed in the HW. Since the value of the AR_PHY_RESTART register is written with the default initvals, make sure that PHY restart is always disabled once this particular BB hang signaure has been encountered. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath9k: Fix MAC HW hang check for AR9003Sujith Manoharan1-55/+75
The current method of identifying MAC hangs is convoluted and also, the signatures are wrong and don't apply to all the chips in the AR9003 family. Fix this by cleaning up the code and checking for the correct hang signatures. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath9k: Add HW callbacks for MAC/BB hang checksSujith Manoharan4-70/+85
This is required for adding separate hang check routines for AR9002 and AR9003. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath9k: Register supported HW hang checksSujith Manoharan5-9/+59
HW hang checks have to be done on a per-chip basis. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath9k: Fix max AMPDU size calculationSujith Manoharan2-13/+2
The maximum A-MPDU size is calculated in ath_tx_aggr_start(), so there is no need to do it in node_attach() too. Also, make sure that the correct size is calculated as described in 8.4.2.58.3. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath9k_hw: fix TSF offset calculationFelix Fietkau1-2/+2
Since the unit is microseconds and not milliseconds, tv_sec needs to be multiplied by 1000000, not 1000. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath9k_hw: fix gentimer callback without overflow handlerFelix Fietkau1-2/+2
If a gentimer has both the trigger and the overflow bits set, only mask out the trigger bit if an overflow handler is present. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-01-04ath9k: fix sparse non static symbol warningWei Yongjun1-1/+1
Fixes the following sparse warning: drivers/net/wireless/ath/ath9k/spectral.c:500:24: warning: symbol 'rfs_spec_scan_cb' was not declared. Should it be static? Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-12-19ath9k: simplify/fix tx packet TID handlingFelix Fietkau1-8/+1
mac80211 guarantees that skb->priority is set to the TID, so use it instead of trying to parse the QoS header manually. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-12-19ath9k: fix TSF offset precision issueFelix Fietkau1-3/+4
Dividing the beacon interval by ATH_BCBUF (8) truncates the result for the default beacon interval of 100. Fix the calculation by moving the division after conversion from TU to microseconds. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-12-19ath9k: call ath9k_set_tsfadjust from ath9k_beacon_configFelix Fietkau3-12/+11
Make that function and ath9k_allow_beacon_config static Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-12-19ath9k: move ath9k_debug_sync_cause out of ath9k_hwFelix Fietkau8-57/+64
ath9k_hw should not depend on any ath9k data structures like ath_softc Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-12-19ath9k: Use a subroutine for the AR9330 reset WARSujith Manoharan2-33/+38
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-12-19ath9k: Fix RTC reset delaySujith Manoharan1-1/+6
The delay that is required after issuing a RTC reset varies for each chip. Handle this properly. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-12-19ath9k: Add a delay between RTC reset/clear for AR9003Sujith Manoharan1-2/+1
The small delay that is present between a RTC reset/clear operation is required for the chip to settle and this is needed for all chips, not just the AR9002 family. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-12-19ath9k: Fix regulatory complianceSujith Manoharan2-1/+35
To comply with ETSI regulations, make sure that the CCA registers are programmed with the threshold values from the EEPROM/Caldata. A new field is used to indicate if the card has been calibrated with the required threshold information. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-12-19ath9k: Update BaseExtension_1 eeprom structureSujith Manoharan2-7/+17
* Add a new field "misc_enable" * Use int_8 for tempslopextension. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-12-19ath9k: Initialize "switchcomspdt" eeprom field explicitlySujith Manoharan1-0/+10
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-12-19ath9k: Remove unneeded ref. count initializationSujith Manoharan1-1/+0
The interrupt reference counter is always initialized in ath9k_start(). Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-12-19ath9k: Cleanup ath9k.hSujith Manoharan2-102/+79
* Remove unused macros. * Move definitions to appropriate sections. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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