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* mac80211: do remain-on-channel while idleJohannes Berg2012-06-06
| | | | | | | | | | | | | | | | | | The IDLE handling in HW off-channel is broken right now since we turn off IDLE only when the off-channel period already started. Therefore, all drivers that use it today (only iwlwifi!) must support off-channel while idle, so playing with idle isn't needed at all. Off-channel in general, since it's no longer used for authentication/association, shouldn't affect PS, so also remove that logic. Also document a small caveat for reporting TX status from off-channel frames in HW remain-on-channel. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* wireless: update wireless URLsJohannes Berg2012-06-06
| | | | | | | | | The preferred URL is http://wireless.kernel.org/ rather than http://linuxwireless.org/, update all URLs to point there. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Resync beacons properlySujith Manoharan2012-06-06
| | | | | | | | | | | After a chip reset, the beacon timers have to re-programmed correctly for a station in associated state. Use the PS flags to ensure that this is done after a TSF sync happens, otherwise the driver ends up using incorrect values for TBTT/DTIM in powersave mode. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Fix powersave lockingSujith Manoharan2012-06-06
| | | | | | | | The 'ps_flags' is used/accessed in a variety of contexts and requires proper locking. Use 'sc_pm_lock' appropriately. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Handle fatal interrupts properlySujith Manoharan2012-06-06
| | | | | | | | | | When a fatal interrupt is received or it is detected that the baseband has hung, the chip has to be reset immediately. Otherwise, we end up processing spurious interrupts. Ensure that we bail out properly in the ISR when the reset work hasn't completed yet. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Use atomic operationsSujith Manoharan2012-06-06
| | | | | | | | | The 'sc_flags' variable is being used in a number of places with no locking whatsoever. This patch converts the usage of sc_flags to atomic ops. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Move LNA code to antenna.cSujith Manoharan2012-06-06
| | | | | | | And use a helper function to setup antennae after a reset. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Fix work handlingSujith Manoharan2012-06-06
| | | | | | | | | | | | * Currently, there is no synchronization between the reset work and the tx-poll work. Fix this and make sure that we bail out properly if a reset work is in progress. * Cleanup the PLL WAR and enable it for AR9340 too and use a helper for restarting work/timers after a reset. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Group link monitoring logicSujith Manoharan2012-06-06
| | | | | | | | Add link.c and move all the link/connection monitoring code to it. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: improve BT FTP/PAN performanceRajkumar Manoharan2012-06-06
| | | | | | | | | | | When BT FTP/PAN transmits while WLAN is idle, the one of 9462 chain often picks up BT's tx signal and starts receiving. If the current weight is set to be higher than BT tx, BT tx will be aborted and this also degrades BT performance. Hence lower WLAN rx priority in this case only when there are no WLAN traffic. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_hw: fix power state for MCIRajkumar Manoharan2012-06-06
| | | | | | | | | Program MCI related power registers only if MCI interrupts are enabled. This could help to reduce power consumptions when WLAN alone is enabled in BT coex chips. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath: do not update cycle counters with sleep modeRajkumar Manoharan2012-06-06
| | | | | | | | | When the chip is waking up from sleep state, the cycle counters might have incorrect readings. So it is better not to update those readings with software counters. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: BT coex performance tuning for AR9462Rajkumar Manoharan2012-06-06
| | | | | | | | Use smaller aggregation limit and increasing aggregation threshold for osla that could improve wlan performance when there is HID profile. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_hw: fix BT RF performanceRajkumar Manoharan2012-06-06
| | | | | | | | | When software rfkill is triggered, before put the chip in reset state, give LNA and SPDT control to BT to make sure BT can have good RF performance. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_hw: configure ar9462 switching regulatorRajkumar Manoharan2012-06-06
| | | | | | | | Enable WLAN and BT mode for switching regulator discontinuous orverride for AR9462 chips. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_hw: program BT to control SPDTRajkumar Manoharan2012-06-06
| | | | | | | | program BT to control SPDT everytime while loading switch table from eeprom. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_hw: fix IQ calibration chain indexRajkumar Manoharan2012-06-06
| | | | | | | | | | The chain index to perform IQ calibration is counted to number of valid tx chains and then used for indexing chain specific registers. If the chainmask is set to 0x2 (i.e chain 1 only), still it accesses chain 0 registers for chain 1. So use real chain index instead sequential one. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: cleanup MCI indentationRajkumar Manoharan2012-06-06
| | | | | | | | Fix bad indentation & if nesting to lose about two levels of unnecessary indentation. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_hw: update ar9462 initval table to fix rxRajkumar Manoharan2012-06-06
| | | | | | | | | The wrong ADC sample phase that happen between awake and network/full sleep will lead to improper rx noisefloor calibration. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Use separate operational flags for BTCOEXSujith Manoharan2012-06-06
| | | | | | | Also, use atomic operations to check the flags. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Remove SC_OP_OFFCHANNELSujith Manoharan2012-06-06
| | | | | | | | | mac80211's IEEE80211_CONF_OFFCHANNEL can be used directly to track offchannel state. Also pass the correct boolean value to ath9k_hw_startpcureceive(). Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_hw: Fix variable usageSujith Manoharan2012-06-06
| | | | | | | | Exposed by sparse: ar9003_mci.c:1134:31: warning: Using plain integer as NULL pointer Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Add MCI interrupt to debugfs statisticsSujith Manoharan2012-06-06
| | | | | Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_hw: Cleanup power mode APISujith Manoharan2012-06-06
| | | | | | | | The 'setChip' variable is unused, remove it and simplify the functions. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_hw: Fix MCI usageSujith Manoharan2012-06-06
| | | | | | | | | MCI has to be handled only when BTCOEX is actually enabled. Check for this condition before calling MCI related functions from various reset/calibration call-sites. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_hw: Fix AR_RTC_KEEP_AWAKE usageSujith Manoharan2012-06-06
| | | | | | | | | The default value that is being programmed to AR_RTC_KEEP_AWAKE is 0x2, there is no need to program it manually in various functions. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Setup MCI interrupts properlySujith Manoharan2012-06-06
| | | | | | | | MCI interrupts have to be enabled only when BTCOEX is actually in use. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Handle ASPM properlySujith Manoharan2012-06-06
| | | | | | | | | ASPM has to be disabled when BTCOEX is in use, do this properly by calling the bus-specific ASPM init routine after the BTCOEX scheme has been determined. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Prune ath9k_init_deviceSujith Manoharan2012-06-06
| | | | | | | | | Instead of cluttering ath9k_init_device() with 'ath_softc' specific initialization code, use ath9k_init_softc() to setup driver-specific work routines, timers etc. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: add stations after AP start on reconfigArik Nemtsov2012-06-06
| | | | | | | | | | | | When performing a HW restart for an AP mode interface, add stations back only after the AP is beaconing. This mimics the normal flow of STA addition on AP. Some devices (wlcore) do not support adding stations before beaconing, so this has the added benefit of making recovery work for them. Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* brcm80211: brcmsmac: fixed checkpatch and sparse warningsChris Yungmann2012-06-06
| | | | | | | Fixed checkpatch and sparse warnings related to aiutils.* Signed-off-by: Chris Yungmann <yungmann.chris@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: validate remain-on-channel time betterJohannes Berg2012-06-06
| | | | | | | | | | | | | | | | The remain-on-channel time validation shouldn't depend on the value of HZ, as it does now with the check against jiffies, since then you might use a value that works on one system but not on another. Fix it by checking against a minimum that's fixed. Also add validation of the wait duration for a management frame TX since this also translates into remain-on-channel internally. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ssb: recognize ARM Cortex M3Hauke Mehrtens2012-06-06
| | | | | | | | | I found this core on a BCM4322, a PCI card in the Linksys WRT610N V1. This core is not used by the driver, this patch just makes ssb show the correct name. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: Clear wowlan flag when drv_suspend returns failurePontus Fuchs2012-06-06
| | | | | | | | | | | | | | | | drv_resume can get called without a prior call to drv_suspend. Consider the following steps: 1. Suspend is started but driver's drv_suspend returns error. 2. Suspend is aborted. local->wowlan flag is left set. 3. Interface is removed. 4. Suspend again. This time open_count is 0 so drv_suspend is not called and local->wowlan not cleared. 5. On resume ieee80211_reconfig will call drv_resume since local->wowlan is set. Signed-off-by: Pontus Fuchs <pontus.fuchs@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: Add missing mesh parameter dot11MeshForwarding for debugfsChun-Yeow Yeoh2012-06-06
| | | | | Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: print info when disabling HTJohannes Berg2012-06-06
| | | | | | | | | Make mac80211 print a message when it disables HT due to the connection using WEP/TKIP or due to the AP not supporting WMM/QoS. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: configure 11b/g channel access rules for legacy APsStanislaw Gruszka2012-06-06
| | | | | | | | | | For each EDCA TX queue change default settings (in STA mode) to conform old 802.11b/g channel access rules. This is needed for drivers that do not have QoS enable/disable "switch" (like rt2x00) to make them work properly with legacy APs. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Ensure a fair beacon distribution in IBSS modeVivek Natarajan2012-06-06
| | | | | | | | | Configure CWmin based on slot time for IBSS mode. This helps in increasing the beacon distribution of ath9k to accepted levels in 11a mode. Signed-off-by: Vivek Natarajan <nataraja@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rt2x00:Add RT5392 chipset supportZero.Lin2012-06-06
| | | | | | Signed-off-by: Zero.Lin <Zero.Lin@mediatek.com> Reviewed-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwl4965: claim RSN IBSS supportStanislaw Gruszka2012-06-06
| | | | | | | | Similar like other drivers including iwl3945, do not configure group keys to the hardware (on Ad-Hoc mode) to make IBSS RSN work. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rt2x00: claim RSN IBSS supportStanislaw Gruszka2012-06-06
| | | | | | | | | Similar like other drivers, do not configure group keys to the hardware (on Ad-Hoc mode) to make IBSS RSN work. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: fix/add bits for spectral scanningZefir Kurtisi2012-06-06
| | | | | | | | | Updates for spectral scanning register modification for AR93x: * fix bits for spectral_scan_count * add bits for new parameters Signed-off-by: Zefir Kurtisi <zefir.kurtisi@neratec.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rfkill: Add the capability to switch all devices of all type in ↵Alex Hung2012-06-06
| | | | | | | | | | | | | | __rfkill_switch_all(). __rfkill_switch_all() switches the state of devices of a given type; however, it does not switch devices of all type (RFKILL_TYPE_ALL). As a result, it ignores the keycode "KEY_RFKILL" from another module, i.e. eeepc-wmi. This fix is to make __rfkill_switch_all() to be able to switch not only devices of a given type but also all devices. Signed-off-by: Alex Hung <alex.hung@canonical.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211: clarify set_channel APIsJohannes Berg2012-06-06
| | | | | | | | | | | | | | | Now that we've removed all uses of the set_channel API except for the monitor channel and in libertas, clarify this. Split the libertas mesh use into a new libertas_set_mesh_channel() operation, just to keep backward compatibility, and rename the normal set_channel() to set_monitor_channel(). Also describe the desired set_monitor_channel() semantics more clearly. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* Merge branch 'master' of ↵John W. Linville2012-06-06
|\ | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless Conflicts: drivers/net/wireless/iwlwifi/iwl-drv.c
| * Merge branch 'master' of ↵John W. Linville2012-06-06
| |\ | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth
| | * Bluetooth: Fix checking the wrong flag when accepting a socketVinicius Costa Gomes2012-06-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Most probably a typo, the check should have been for BT_SK_DEFER_SETUP instead of BT_DEFER_SETUP (which right now only represents a socket option). Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org> Acked-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
| * | cfg80211: fix interface combinations checkJohannes Berg2012-06-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If a given interface combination doesn't contain a required interface type then we missed checking that and erroneously allowed it even though iface type wasn't there at all. Add a check that makes sure that all interface types are accounted for. Cc: stable@kernel.org Reported-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | iwlwifi: unregister LEDs if mac80211 registration failsJohannes Berg2012-06-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Otherwise the LEDs stick around and cause issues the next time around since they're still there but not really hooked up. Cc: stable@kernel.org Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | iwlwifi: fix double free/complete in firmware loadingJohannes Berg2012-06-05
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Linus reported that due to mac80211 failing to register the device (due to WoWLAN) his machine crashed etc. as we double-freed the vmalloc() firmware area. His patch to fix it was very similar to this one but I noticed that there's another bug in the area: we complete the completion before starting, so since we're running in a work struct context stop() could be called while in the middle of start() which will almost certainly lead to issues. Make a modification similar to his to avoid the double- free but also move the completion to another spot so it is only done after start() either finished or failed so that stop() can have a consistent state. Reported-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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