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2011-12-13cfg80211: Fix race in bss timeoutVasanthakumar Thiagarajan
It is quite possible to run into a race in bss timeout where the drivers see the bss entry just before notifying cfg80211 of a roaming event but it got timed out by the time rdev->event_work got scehduled from cfg80211_wq. This would result in the following WARN-ON() along with the failure to notify the user space of the roaming. The other situation which is happening with ath6kl that runs into issue is when the driver reports roam to same AP event where the AP bss entry already got expired. To fix this, move cfg80211_get_bss() from __cfg80211_roamed() to cfg80211_roamed(). [158645.538384] WARNING: at net/wireless/sme.c:586 __cfg80211_roamed+0xc2/0x1b1() [158645.538810] Call Trace: [158645.538838] [<c1033527>] warn_slowpath_common+0x65/0x7a [158645.538917] [<c14cfacf>] ? __cfg80211_roamed+0xc2/0x1b1 [158645.538946] [<c103354b>] warn_slowpath_null+0xf/0x13 [158645.539055] [<c14cfacf>] __cfg80211_roamed+0xc2/0x1b1 [158645.539086] [<c14beb5b>] cfg80211_process_rdev_events+0x153/0x1cc [158645.539166] [<c14bd57b>] cfg80211_event_work+0x26/0x36 [158645.539195] [<c10482ae>] process_one_work+0x219/0x38b [158645.539273] [<c14bd555>] ? wiphy_new+0x419/0x419 [158645.539301] [<c10486cb>] worker_thread+0xf6/0x1bf [158645.539379] [<c10485d5>] ? rescuer_thread+0x1b5/0x1b5 [158645.539407] [<c104b3e2>] kthread+0x62/0x67 [158645.539484] [<c104b380>] ? __init_kthread_worker+0x42/0x42 [158645.539514] [<c151309a>] kernel_thread_helper+0x6/0xd Reported-by: Kalle Valo <kvalo@qca.qualcomm.com> Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-13mac80211: unlock on error path in ieee80211_ibss_join()Dan Carpenter
We recently introduced a new return here but it needs an unlock first. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-13ath9k_hw: Fix handling of MCI interruptMohammed Shafi Shajakhan
in my previous patches of handling MCI interrupt I overlooked the case of interrupt status/mask variable being zeroed out in the below code, so ath_isr does not cache the MCI interrupt in the intrstatus. finally MCI interrupt handling won't be handled in ath9k_tasklet for the scheduled interrupts. Fix this by moving the MCI interrupt code in the appropriate position in ar9003_hw_get_isr Cc: Wilson Tsao <wtsao@qca.qualcomm.com> Cc: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-13ath9k_hw: check for asynchronous interrupts before bailing outMohammed Shafi Shajakhan
in ar9003_hw_get_isr we bail out if we don't have any primary interrupts and synchronous interrupts, also make sure we don't have any asynchronous interrupts Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-13Merge branch 'wireless-next' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi
2011-12-09iwlwifi regression in 20111205 mergeNikolay Martynov
It looks like the regression was introduced between 20111202 and 20111205 (linux-next tree). Symptoms: connection to AP seem to be established, but no data goes though it in any way. Tested on intel 5300. Peek at the changes have shown that it looks like at least part of the code wasn't merged properly. It was originally committed into iwl_agn.c but code in question was moved to iwl-mac80211.c. This patch puts code in place and my card works again. Signed-off-by: Nikolay Martynov <mar.kolya@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-09wl12xx: silence tx_attr uninitialized warning in wl1271_tx_fill_hdrJohn W. Linville
CC [M] drivers/net/wireless/wl12xx/tx.o drivers/net/wireless/wl12xx/tx.c: In function ‘wl1271_tx_fill_hdr’: drivers/net/wireless/wl12xx/tx.c:288:6: warning: ‘tx_attr’ may be used uninitialized in this function Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-08iwlagn: use IWL_MAX_TID_COUNT instead of TID_MAX_LOAD_COUNTJohannes Berg
We track the load only on 8 TIDs, previously this was TID_MAX_LOAD_COUNT. Since IWL_MAX_TID_COUNT is now 8 as well, use that to make the code more easily understandable. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-12-08iwlagn: use IWL_MAX_TID_COUNT for WoWLANJohannes Berg
Now that I corrected IWL_MAX_TID_COUNT to be 8 instead of 9, we can use it in WoWLAN suspend. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-12-08iwlagn: fix TID use bugJohannes Berg
The driver everywhere uses max TID count as 9, which is wrong, it should be 8. I think the reason it uses 9 here is off-by-one confusion by whoever wrote this. We do use the value IWL_MAX_TID_COUNT for "not QoS/no TID" but that is completely correct even if it is 8 and not 9 since 0-7 are only valid. As a side effect, this fixes the following bug: Open BA session requested for 00:23:cd:16:8a:7e tid 8 ------------[ cut here ]------------ kernel BUG at drivers/net/wireless/iwlwifi/iwl-trans-pcie-int.h:350! ... when you do echo "tx start 8" > /sys/kernel/debug/ieee80211/*/*/*/*/agg_status Cc: stable@vger.kernel.org Reported-by: Nikolay Martynov <mar.kolya@gmail.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-12-08iwlwifi: move calib_results list from iwl_priv to iwl_transDon Fry
Move the calib_results list from the upper layer iwl_priv structure to the lower layer iwl_trans structure. Signed-off-by: Don Fry <donald.h.fry@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-12-08iwlwifi: move device_pointers from iwl_priv to iwl_sharedDon Fry
Move the low level ucode device_pointers structure to iwl_shared. Signed-off-by: Don Fry <donald.h.fry@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-12-08iwlwifi: move eeprom pointer from iwl_priv to iwl_sharedDon Fry
The eeprom image is a device level component, move from iwl_priv to iwl_shared, with associated code changes. Signed-off-by: Don Fry <donald.h.fry@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-12-08iwlwifi: set TX_CMD_FLG_STA_RATE_MSK for BAR frameWey-Yi Guy
It is needed by firmware to use the correct rate for BAR frame transmission Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-12-08iwlwifi: P2P is not enabled by defaultWey-Yi Guy
P2P still under development. it will not enabled by default, but user always can enable it manually for testing. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-12-08iwlwifi: add device ID information support by testmodeHsu, Kenny
Create new tm command to report devce ID information to userspace - IWL_TM_CMD_APP2DEV_GET_DEVICE_ID Signed-off-by: Kenny Hsu <kenny.hsu@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-12-08iwlwifi: rename CONFIG_IWLWIFI_DEVICE_SVTOOL to CONFIG_IWLWIFI_DEVICE_TESTMODEWey-Yi Guy
Change the name to match the works Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-12-08iwlwifi: remove reference to legacy devicesWey-Yi Guy
After driver split, no need to reference to legacy devices, remove comments Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-12-08iwlwifi: minor cleanupWey-Yi Guy
Remove the defines only used by legacy devices Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-12-08iwlwifi: Display more uCode debug infoWey-Yi Guy
When uCode encounter problem, it pass a lot of debug data to help debugging the issue. We only show partial data before, why not display all of those. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-12-08iwlwifi: hide kernel option IWLWIFI_DEVICE_SVTOOLHsu, Kenny
Because the testmode support should be the mandatory foundation of test functionality, it is better to set kernel option IWLWIFI_DEVICE_SVTOOL automatically instead of user configuration. Signed-off-by: Kenny Hsu <kenny.hsu@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-12-08iwlwifi: add uCode version information support by testmodeHsu, Kenny
Create new tm command to report uCode version to userspace - IWL_TM_CMD_APP2DEV_GET_FW_VERSION Signed-off-by: Kenny Hsu <kenny.hsu@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-12-08Merge branch 'master' of ↵Wey-Yi Guy
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into wireless-next
2011-12-08Merge branch 'wl12xx-next' into for-linvilleLuciano Coelho
2011-12-08wl12xx: minor fix in sched_scan_ssid_listEyal Shapira
The user can pass broadcast SSID (ssid="") in the list of SSIDs for active scan. In this case the loop was attempting to match SSIDs in the filter list to this empty entry and marking them as HIDDEN (sending probe request) by mistake Signed-off-by: Eyal Shapira <eyal@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
2011-12-08wl12xx: send testmode reply in wl1271_tm_cmd_interrogateEliad Peller
wl1271_tm_cmd_interrogate creates a reply skb, but doesn't send it (and thus just leaks it). Add the missing cfg80211_testmode_reply() call. Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
2011-12-08wl12xx: remove redundant commands from plt initEliad Peller
During plt init we configure some redundant commands, which are not needed for plt (specifically, we shouldn't configure any role-specific params, as there are no active roles). remove them. Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
2011-12-08wl12xx: fix testmode test/interrogate commandsEliad Peller
fix several issues in testmode test/interrogate commands: 1. check the driver state is not OFF. 2. wakeup the chip from elp (if needed) 3. fix memory leak in wl1271_tm_cmd_interrogate() Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
2011-12-07wireless: disable wext sysfs by defaultJohannes Berg
This code has been on the list to remove for a long time, so disable it by default, add a warning to its Kconfig, and schedule it for removal in 3.5. The only known dependency, hal, has not required it since its 0.5.12 release, which was in early 2009 and hal has since been deprecated completely. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-07ath9k: enable ANI for ar9100 chipsNikolay Martynov
Enable ANI for ar9100 since it seems to be working fine (and as a matter of fact ANI was always performed for ar9100 since code which was supposed to disable it didn't achieve this goal). This patch sets config.enable_ani to default (true) value for ar9100. Signed-off-by: Nikolay Martynov <mar.kolya@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-07ath9k: use config.enable_ani to check if ani should be performedNikolay Martynov
Currently in ath9k code there is an attempt which is meant to disable ANI for ar9100 and ar9340. But it doesn't really achieve this. All it does is disable ANI init and setup (i.e. calls to ath9k_hw_ani_setup and ath9k_hw_ani_init). Since ath9k_hw_ani_setup is not called ah->config.ani_poll_interval is never initialized (i.e. it is always zero) and ath_ani_calibrate always executes ANI procedures (over uninitialized ANI parameters). Moreover, ath_ani_calibrate is being called each 1ms because common->ani.timer is set to zero interval because ah->config.ani_poll_interval==0 (and thus smallest value of all intervals). Normally it should not be called this often. This patch changes the code so config.enable_ani is used to check if ANI should be performed. config.enable_ani is initialized to true by default. This patch sets it to false for ar9100 and ar9340. Signed-off-by: Nikolay Martynov <mar.kolya@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-07ath9k: change calibration debug log to output all calibration typesNikolay Martynov
To help debugging write a log entry when long calibration, short calibration or ANI is performed. Signed-off-by: Nikolay Martynov <mar.kolya@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-07ath9k: trivial: cosmetic fix in calibration debug logNikolay Martynov
Add missed space and change typo in calibration debugging log. Signed-off-by: Nikolay Martynov <mar.kolya@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-07ath9k: cancel all workqueue activity when going idleFelix Fietkau
Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-07ath9k: only drop packets in drv_flush when asked toFelix Fietkau
Recently more places in mac80211 call drv_flush to ensure proper order for state changes wrt. powersave, channel changes, etc. On some systems such calls lead to spurious logspam about failing to stop tx dma, as well as hardware resets that go along with that. Instead of dropping packets in a place where it's completely unnecessary, only do it when drop == true. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-07ath9k: rework power state handlingFelix Fietkau
Turning off the radio when mac80211 tells the driver that it's idle is not a good idea, as idle interfaces might still occasionally scan or send packets. The only time the radio can be safely turned off is when drv_stop has been called. In the mean time, use sc->ps_idle only to indicate network sleep vs full sleep. Move the LED GPIO changes out of the PCI suspend/resume path, the start/stop functions already take care of that. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-07ath9k: always issue a full hw reset after waking up from full-sleep modeFelix Fietkau
After waking up from full sleep, registers are accessible, but rx/tx typically fails. A fast channel change will not recover from this, so ensure that a full-sleep -> wake transition is always followed by a full reset. The reason why this hasn't created any serious problems yet is that it's hidden by the (wrong) behavior of enabling/disabling the radio when the wiphy idle state changes. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-06mac80211: Remove WARN_ON in apply-ht-override logic.Ben Greear
AP interfaces routinely call this logic, so just silently return when this happens instead of splatting the kernel logs. Reported-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-06bcma: pci: use fixed windows when possibleRafał Miłecki
Some cores are mapped in the fixed way, they registers can be accessed all the time. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-06mac80211: accept public action frames with mismatched BSSIDJohannes Berg
Arik's patch "mac80211: allow action frames with unknown BSSID in GO mode" allowed any action frames in P2P mode to go through, but only to cooked monitor interfaces as the IEEE80211_RX_RA_MATCH was still cleared. As a result my no-monitor patches broke invitation responses. Instead of allowing any action frames in P2P GO mode to go through with a wrong BSSID like that patch did, allow all public action frames. They will never be processed by mac80211, but can be reported via nl80211 then. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-06mac80211: fix retransmitJohannes Berg
This fixes another regression from my "pass all fragments to driver at once" patches -- if the packet is being retransmitted then we don't go through all handlers, but we still need to move it to the skbs list, otherwise we run into the first warning in __ieee80211_tx() and leak the skb. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-06iwlwifi: move ucode notification from iwl_priv to iwl_sharedDon Fry
Move the notification structures for ucode operations from the iwl_priv structure to the iwl_shared structure, with associated code changes. Signed-off-by: Don Fry <donald.h.fry@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-06iwlwifi: move ucode_type from iwl_priv to iwl_sharedDon Fry
Move the ucode_type variable from the iwl_priv to the iwl_shared structure with associated code changes. Signed-off-by: Don Fry <donald.h.fry@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-06iwlwifi: replace iwl_priv reference with iwl_trans for ucode.Don Fry
Replace the references to the iwl_priv structure with the iwl_trans structure as the priv structure is never referenced other than to access the trans structure. Rename from iwlagn to iwl. Signed-off-by: Don Fry <donald.h.fry@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-06iwlwifi: rename iwl-agn-ucode as iwl-ucodeDon Fry
iwl-agn-ucode is generic ucode operations, not limited just to iwlagn. Signed-off-by: Don Fry <donald.h.fry@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-06iwlwifi: Rename file name from iwl-sv-open.c to iwl-testmode.cWey-Yi Guy
The file dealing with all the operations through testmode, rename it. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-06iwlwifi: add WOWLAN uCode loading support by testmodeHsu, Kenny
Create new tm command for WOWLAN uCode loading to support further debugging function in userspace. - IWL_TM_CMD_APP2DEV_LOAD_WOWLAN_FW Signed-off-by: Kenny Hsu <kenny.hsu@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-06iwlagn: make debug levels more readableJohannes Berg
Using the actual shifted constants here allows one to read and or them more easily. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-06iwlagn: remove MACDUMP debugJohannes Berg
This is only used for TX debugging where there already is more debugging and tracing is more useful anyway, so remove it. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-06iwlagn: remove HC_DUMP debugJohannes Berg
This debug level is unused, remove it. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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