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path: root/drivers/net/wireless
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2014-09-02ath10k: remove diag_*_access functionsMichal Kazior1-85/+24
Remove the ugly _access functions. Being explicit is a good thing. Signed-off-by: Michal Kazior <michal.kazior@tieto.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-09-02ath10k: stop monitor vdev for sta assocMichal Kazior1-1/+9
This prevents some fw revisions from crashing in many cases when user is trying to run a promiscuous station interface (e.g. sniffing, 4addr bridge). Signed-off-by: Michal Kazior <michal.kazior@tieto.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-09-02ath10k: fix monitor start/stop sequencesMichal Kazior2-73/+49
Fix some cases where monitor start failure left the driver in a confused state. This also makes the monitor code simpler. Signed-off-by: Michal Kazior <michal.kazior@tieto.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-09-02ath10k: kill tasklets after free_irqMichal Kazior1-0/+2
Commit 5c771e7454d148af35e8b4297d00f880de79ea49 introduced a regression. On some systems spurious interrupts could schedule a tasklet while tearing down leading to, e.g.: BUG: unable to handle kernel paging request at fe589030 IP: [<c1316fb0>] ioread32+0x30/0x40 ... Call Trace: [<fe576c1b>] ath10k_pci_tasklet+0x1b/0x60 [ath10k_pci] [<c1053fbe>] tasklet_action+0x9e/0xb0 [<c10534f1>] __do_softirq+0xf1/0x3f0 [<c1053400>] ? ftrace_raw_event_irq_handler_entry+0xa0/0xa0 [<c1004999>] do_softirq_own_stack+0x29/0x40 <IRQ> [<c1053a76>] irq_exit+0x86/0xb0 ... [<c132d522>] do_pci_disable_device+0x52/0x60 [<c132d57f>] pci_disable_device+0x4f/0xb0 [<c132a961>] ? __pci_set_master+0x51/0x80 [<fe5740b3>] ath10k_pci_release+0x33/0x40 [ath10k_pci] [<fe575d4b>] ath10k_pci_remove+0x7b/0x90 [ath10k_pci] Reported-by: Kalle Valo <kvalo@qca.qualcomm.com> Tested-by: Kalle Valo <kvalo@qca.qualcomm.com> Signed-off-by: Michal Kazior <michal.kazior@tieto.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-09-02ath10k: fix num_legacy_stations trackingMichal Kazior1-1/+1
If a station was reassociated, i.e. due to change of supported rates update via sta_rc_update() the num_legacy_stations would be (incorrectly) bumped up leading to unbalanced usage of the var. This in turn could lock rtscts protection up as enabled. Signed-off-by: Michal Kazior <michal.kazior@tieto.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-09-02ath10k: re-enable interrupts properly in hw recoveryMichal Kazior1-21/+14
Recent changes done to start/restart sequences broke hw recovery in some hw configurations. The pci transport was stopped twice however due to a workaround in the pci disabling code the disable/enable for first msi interrupt was not balanced. This ended up with irqs not being properly re-enabled and the following print out during recovery: ath10k: failed to receive control response completion, polling.. ath10k: Service connect timeout: -110 ath10k: Could not init core: -110 Legacy interrupt mode was unaffected while msi ranged mode would be partially crippled (it would miss fw indication interrupts but otherwise it worked fine). This fixes completely broken fw recovery for a single msi interrupt mode and fixes subsequent fw crash reports for msi range interrupt mode. Signed-off-by: Michal Kazior <michal.kazior@tieto.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-09-01treewide: fix errors in printkMasanari Iida1-1/+1
This patch fix spelling typo in printk. Signed-off-by: Masanari Iida <standby24x7@gmail.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-09-01iwlwifi: mvm: enable scheduled scan on newest firmwareEmmanuel Grumbach1-6/+8
Scheduled scan was disabled because of a bug in the firmware. The firmware reported support for this feature, but enabling it led to assertions. The bugs have been fixes in latest firmware versions, so that we can re-enable the feature on latest firmwares only. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-09-01iwlwifi: bump firmware API version to 10 for 7000 and 8000Emmanuel Grumbach2-3/+3
New firmware on the way. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-08-31iwlwifi: Remove module build requirement for Intel Wireless WiFiMarcel Holtmann1-2/+0
The CONFIG_IWLDVM and CONFIG_IWLMVM currently have a "depends on m" as its requirement forcing it to be build as module. This is not needed and thus just remove it. Fixes: ae7486a2b734 ("iwlwifi: fix Kconfig issues") Signed-off-by: Marcel Holtmann <marcel@holtmann.org> [Squashed 2 commites for MVM and DVM] Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-08-31Revert "iwlwifi: dvm: don't enable CTS to self"Emmanuel Grumbach1-0/+12
This reverts commit 43d826ca5979927131685cc2092c7ce862cb91cd. This commit caused packet loss. Cc: <stable@vger.kernel.org> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-08-28carl9170: tx: Replace rcu_assign_pointer() with RCU_INIT_POINTER()Andreea-Cristina Bernat1-1/+1
According to RCU_INIT_POINTER()'s block comment 3.a, it can be used if "3. The referenced data structure has already been exposed to readers either at compile time or via rcu_assign_pointer() -and- a. You have not made -any- reader-visible changes to this structure since then". This case fulfills the conditions above because between the rcu_dereference() call (cvif = rcu_dereference(ar->beacon_iter);) and the rcu_assign_pointer() call there is no update of the "cvif" variable. Therefore, this patch makes the replacement. The following Coccinelle semantic patch was used: @@ identifier v; @@ v = rcu_dereference(...); ... when != rcu_dereference(...); when != v = ...; when != (<+...v...+>)++; when != \(memcpy\|memset\)(...); ( - rcu_assign_pointer + RCU_INIT_POINTER (..., v); | if(...) { ... when != v = ...; - rcu_assign_pointer + RCU_INIT_POINTER (..., v); ... when any } ) Because there are cases where between a “rcu_dereference()” call and a “rcu_assign_pointer()” call might be updates of the value that interests us, the Coccinelle semantic patch ignores them and replaces with "RCU_INIT_POINTER()" only when the update is not happening. Signed-off-by: Andreea-Cristina Bernat <bernat.ada@gmail.com> Acked-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Fix channel context timerSujith Manoharan1-1/+1
Setup the channel context correctly. Not doing this was causing beacon loss in a P2P-GO/STA concurrent setup. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Add more debug statements for channel contextSujith Manoharan2-12/+81
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Disable fastcc for channel context modeSujith Manoharan1-0/+3
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28rt2x00: support Ralink 5362.Canek Peláez Valdés2-1/+9
Signed-off-by: Canek Peláez Valdés <canek@ciencias.unam.mx> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Fix channel context creationSujith Manoharan2-1/+23
If a new context is being added in addition to the current one, then send the ASSIGN event to abort a running scan since the addition of a context is usually followed by VIF assignment and further operations. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Fix interface limitsSujith Manoharan1-2/+4
There is no reason why managed/p2p interfaces have to be limited to one. IBSS is the only type that needs a restriction. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Print the event/state in ath_chanctx_eventSujith Manoharan2-2/+38
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Add new chanctx eventsSujith Manoharan2-0/+6
This will be useful in handling addition/change of new channel contexts. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Fix ath_chanctx_get()Sujith Manoharan1-4/+10
Move it inside a CONFIG_ATH9K_CHANNEL_CONTEXT ifdef since it is not needed otherwise. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Move ath9k_beacon_add_noa to channel.cSujith Manoharan3-49/+56
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Remove redundant ifdefSujith Manoharan1-2/+0
This was introduced in an earlier patch to handle a compilation warning, but since the channel context code has been mostly isolated, this is not required now. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Fix channel context variables in ath_softcSujith Manoharan1-2/+6
chanctx_work and next_chan are required only when CONFIG_ATH9K_CHANNEL_CONTEXT is enabled. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Fix 'offchannel' in ath_softcSujith Manoharan2-1/+3
Finally move the 'offchannel' instance in ath_softc inside a CONFIG_ATH9K_CHANNEL_CONTEXT cage. The offchannel usage in ath9k_calculate_iter_data() is closed off with an ifdef for now, since the state/opmode calculation is common for both the channel context mode and the normal mode. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Fix function argument typeSujith Manoharan1-2/+2
ath9k_vif_iter() was earlier used as an iterator routine when calling a mac80211 utility. This is no longer the case and hence we can mention the argument type explicitly. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Use ath_chanctx_check_active properlySujith Manoharan2-47/+50
ath_chanctx_check_active() is required only when channel contexts are used. Make sure that it is not called in normal usage. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Add ath9k_offchannel_initSujith Manoharan3-8/+30
This patch adds a routine to setup the offchannel instance in ath_softc. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Add ath9k_chanctx_wake_queuesSujith Manoharan3-13/+32
Introduce a function that handles queues in channel context mode. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Add wrappers for beacon eventsSujith Manoharan4-9/+32
Using these wrappers allows us to move the 'sched' variable in ath_softc inside CONFIG_ATH9K_CHANNEL_CONTEXT. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Fix function declarationsSujith Manoharan1-3/+3
These routines are required only when CONFIG_ATH9K_CHANNEL_CONTEXT is enabled. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Fix channel context eventsSujith Manoharan6-33/+57
Check if channel context usage is enabled before calling ath_chanctx_event() from various parts of the driver. Also, make sure that ath_chanctx_event() is compiled only when CONFIG_ATH9K_CHANNEL_CONTEXT is enabled. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Make ath_chanctx_switch staticSujith Manoharan2-39/+37
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Make ath_chanctx_get_oper_chan staticSujith Manoharan2-19/+18
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Make ath_chanctx_offchan_switch staticSujith Manoharan2-15/+13
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Conditionally compile more functionsSujith Manoharan1-19/+19
Use CONFIG_ATH9K_CHANNEL_CONTEXT to exclude: ath_scan_complete() ath_roc_complete() ath_offchannel_next() ath_scan_next_channel() ath_scan_channel_duration() Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Exclude more functionsSujith Manoharan2-61/+60
Use CONFIG_ATH9K_CHANNEL_CONTEXT to exclude more functions: ath_offchannel_channel_change() ath_scan_channel_start() ath_scan_send_probe() Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Conditionally compile a few functionsSujith Manoharan1-146/+146
Exclude these functions when CONFIG_ATH9K_CHANNEL_CONTEXT is not enabled: ath_chanctx_send_vif_ps_frame() ath_chanctx_send_ps_frame() ath_chanctx_defer_switch() ath_chanctx_set_next() Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Cleanup mgd_prepare_tx callbackSujith Manoharan3-34/+34
Rename the callback from ath9k_chanctx_force_active() to ath9k_mgd_prepare_tx(). Also, move it to main.c and group it with the other callbacks. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Make ath_chanctx_work staticSujith Manoharan2-10/+9
Also compile it conditionally based on CONFIG_ATH9K_CHANNEL_CONTEXT. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Add a routine to tear down channel contextsSujith Manoharan4-2/+13
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Add a routine for initializing channel contextsSujith Manoharan3-15/+25
Setup the offchannel/sched timers and the chanctx work inside the new function. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28carl9170: Remove redundant protection checkAndreea-Cristina Bernat1-10/+1
The carl9170_op_ampdu_action() function is used only by the mac80211 framework. Since the mac80211 already takes care of checks and properly serializing calls to the driver's function there is no need for the driver to do the same thing. Signed-off-by: Andreea-Cristina Bernat <bernat.ada@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Isolate ath9k_use_chanctx module parameterSujith Manoharan5-32/+62
This patch ensures that the module parameter "use_chanctx" is visible only when CONFIG_ATH9K_CHANNEL_CONTEXT is selected. Also register the channel context callbacks with mac80211 only when it is explicitly enabled and compile them out of the driver when CONFIG_ATH9K_CHANNEL_CONTEXT is not selected. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Isolate P2P powersave routinesSujith Manoharan5-36/+111
Use CONFIG_ATH9K_CHANNEL_CONTEXT to conditionally compile P2P-PS code. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Move P2P functions to channel.cSujith Manoharan3-87/+87
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Add a config option for channel contextSujith Manoharan1-0/+9
Channel contexts are supported only for P2P right now, so make sure that the 'normal' path remains unaffected by using a config option. This will also reduce the size of the driver. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Add debug informationSujith Manoharan2-12/+122
Add a few statements to debug channel context operation. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Move channel operations to channel.cSujith Manoharan3-202/+205
This reduces clutter in main.c Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-28ath9k: Handle failure to allocate HW timerSujith Manoharan1-1/+3
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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