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2011-07-07rt2x00: Implement tx_frames_pending mac80211 callback function.Gertjan van Wingerde
Implementing this callback function will cause mac80211 refrain from going to powersave state when there are still untransmitted TX frames in the queues. This would exactly mimic the behaviour of the legacy vendor driver which also doesn't go in powersave mode if there are still TX frames that are not transmitted. This should make powersaving and rt2x00 a better couple. Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-07rt2x00: Properly identify rt2800usb devices.Gertjan van Wingerde
Sitecom WLA4000 (USB ID 0x0df6:0x0060) is an RT3072 chipset. Sitecom WLA5000 (USB ID 0x0df6:0x0062) is an RT3572 chipset. Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-07rt2x00: Add device ID for RT539F device.Gertjan van Wingerde
Reported-by: Wim Vander Schelden <wim@fixnum.org> Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-07rt2x00: Reduce window of a queue's tx lock.Gertjan van Wingerde
Currently a lot of actions that can be done without the queue's tx lock being held are done inside the locked area. Move them out to have a leaner and meaner code that operates while the tx lock is being held. Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-07rt2x00: Don't use queue entry as parameter when creating TX descriptor.Gertjan van Wingerde
The functions that create the tx descriptor structure do not operate on a queue entry at all. Signal this fact in the code by not providing a queue entry as a parameter, but the rt2x00 device structure and the skb directly. This patch is a preparation for reducing the time a queue is locked for a tx operation. Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-07rt2x00: Serialize TX operations on a queue.Gertjan van Wingerde
The rt2x00 driver gets frequent occurrences of the following error message when operating under load: phy0 -> rt2x00queue_write_tx_frame: Error - Arrived at non-free entry in the non-full queue 2. This is caused by simultaneous attempts from mac80211 to send a frame via rt2x00, which are not properly serialized inside rt2x00queue_write_tx_frame, causing the second frame to fail sending with the above mentioned error message. Fix this by introducing a per-queue spinlock to serialize the TX operations on that queue. Reported-by: Andreas Hartmann <andihartmann@01019freenet.de> Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-07bcma: detect PCI core working in hostmodeRafał Miłecki
We must not init it like clientmode one, it would break device (tested by Hauke on BCM4718). Add stub hostmode driver for now. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-06mwifiex: modify SDIO aggregation Tx/Rx buffer sizeAmitkumar Karwar
The SDIO aggregation buffer size has been modified to an optimum value which gives good throughput results. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-06ipw2100: Fix command list for debuggingJean Delvare
There is a stray "undefined" string in the array, get rid of it. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: "John W. Linville" <linville@tuxdriver.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-06mac80211: support GTK rekey offloadJohannes Berg
This adds the necessary mac80211 APIs to support GTK rekey offload, mirroring the functionality from cfg80211. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-06cfg80211/nl80211: support GTK rekey offloadJohannes Berg
In certain circumstances, like WoWLAN scenarios, devices may implement (partial) GTK rekeying on the device to avoid waking up the host for it. In order to successfully go through GTK rekeying, the KEK, KCK and the replay counter are required. Add API to let the supplicant hand the parameters to the driver which may store it for future GTK rekey operations. Note that, of course, if GTK rekeying is done by the device, the EAP frame must not be passed up to userspace, instead a rekey event needs to be sent to let userspace update its replay counter. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-06mac80211: allow driver to iterate keysJohannes Berg
When in suspend/wowlan, devices might implement crypto offload differently (more features), and might require reprogramming keys for the WoWLAN (as it is the case for Intel devices that use another uCode image). Thus allow the driver to iterate all keys in this context. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-06iwlwifi: remove unnecessary read of PCI_CAP_ID_EXPJon Mason
The PCIE capability offset is saved during PCI bus walking. It will remove an unnecessary search in the PCI configuration space if this value is referenced instead of reacquiring it. Signed-off-by: Jon Mason <jdmason@kudzu.us> Acked-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-06Merge branch 'for-linville' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/luca/wl12xx
2011-07-05ssb: use pci_dev->subsystem_{vendor,device}Sergei Shtylyov
The SSB code reads PCI subsystem IDs from the PCI configuration registers while they are already stored by the PCI subsystem in the 'subsystem_{vendor|device}' fields of 'struct pci_dev'... Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-05ssb: use pci_dev->revisionSergei Shtylyov
The SSB code reads PCI revision ID from the PCI configuration register while it's already stored by the PCI subsystem in the 'revision' field of 'struct pci_dev'... Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-05b43: Add RX side DMA memory barrierMichael Büsch
This adds a memory barrier to ensure the writes to the ring memory are committed before the DMA ring pointer is updated. We do a similar thing on the TX side already. Signed-off-by: Michael Buesch <m@bues.ch> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-05NFC: add Documentation/networking/nfc.txtAloisio Almeida Jr
Signed-off-by: Aloisio Almeida Jr <aloisio.almeida@openbossa.org> Signed-off-by: Lauro Ramos Venancio <lauro.venancio@openbossa.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-05NFC: pn533: add NXP pn533 nfc device driverAloisio Almeida Jr
Signed-off-by: Lauro Ramos Venancio <lauro.venancio@openbossa.org> Signed-off-by: Aloisio Almeida Jr <aloisio.almeida@openbossa.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-05NFC: add the NFC socket raw protocolLauro Ramos Venancio
This socket protocol is used to perform data exchange with NFC targets. Signed-off-by: Lauro Ramos Venancio <lauro.venancio@openbossa.org> Signed-off-by: Aloisio Almeida Jr <aloisio.almeida@openbossa.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-05NFC: add NFC socket familyAloisio Almeida Jr
Signed-off-by: Lauro Ramos Venancio <lauro.venancio@openbossa.org> Signed-off-by: Aloisio Almeida Jr <aloisio.almeida@openbossa.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-05NFC: add nfc generic netlink interfaceLauro Ramos Venancio
The NFC generic netlink interface exports the NFC control operations to the user space. Signed-off-by: Lauro Ramos Venancio <lauro.venancio@openbossa.org> Signed-off-by: Aloisio Almeida Jr <aloisio.almeida@openbossa.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> Reviewed-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-05NFC: add nfc subsystem coreLauro Ramos Venancio
The NFC subsystem core is responsible for providing the device driver interface. It is also responsible for providing an interface to the control operations and data exchange. Signed-off-by: Lauro Ramos Venancio <lauro.venancio@openbossa.org> Signed-off-by: Aloisio Almeida Jr <aloisio.almeida@openbossa.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-05mac80211: allow driver to impose WoWLAN restrictionsJohannes Berg
If the driver can't support WoWLAN in the current state, this patch allows it to return 1 from the suspend callback to do the normal deconfiguration instead of using suspend/resume calls. Note that if it does this, resume won't be called. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-05ssb: PCI revision ID register is 8-bit wideSergei Shtylyov
The SSB code reads PCI revision ID register as 16-bit entity while the register is actually 8-bit only (the next 8 bits are the programming interface register). Fix the read and make the 'rev' field of 'struct ssb_boardinfo' 8-bit as well, to match the register size. Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-05rtlwifi: rtl8192de: Fix error exit from hw_initLarry Finger
In routine rtl92de_hw_init(), there are two places where a failure is not handled correctly. Reported-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-05rtlwifi: rtl8192de: Replace loops calling udelay with single mdelayLarry Finger
There are a number of loops to implement delays. These are replaced with single calls to mdelay(). The need for a fix was noted by Andrew Morton <akpm@linux-foundation.org>. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-05carl9170: use carl9170 queue enumsChristian Lamparter
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-05rtlwifi: rtl8192de: Remove comparison of boolean with trueLarry Finger
Tests of a boolean against "true" are not needed as non-zero is sufficient.. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-05rtlwifi: rtl8192{ce,cu,se} Remove irq_enabledMike McCormack
This should be unnecessary if synchronize_irq is used. Signed-off-by: Mike McCormack <mikem@ring3k.org> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-05rtlwifi: rtl8192de: Remove irq_enabled booleanLarry Finger
Prepare rtl8192de for the removal of irq_enaqbled. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-05drivers/net/wireless/rtlwifi/rtl8192de/phy.c: fix udelay() usageAndrew Morton
ERROR: "__bad_udelay" [drivers/net/wireless/rtlwifi/rtl8192de/rtl8192de.ko] undefined! Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-05mac80211: fix smatch complainsChristian Lamparter
mlme.c l.757 ieee80211_dynamic_ps_enable_work(11) variable dereferenced before check 'sdata' mesh_pathtbl.c l.650 mesh_path_del(20) double lock 'bottom_half' l.663 mesh_path_del(33) double unlock 'bottom_half' Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-05carl9170: allow PSM if the 5 GHz band is selectedChristian Lamparter
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-05carl9170: enable IEEE80211_HW_NEED_DTIM_PERIODChristian Lamparter
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-05carl9170: import 1.9.4 firmware headersChristian Lamparter
This patch imports all shared header changes from carl9170fw.git. * update copyright boilerplate * add some more strategic __aligned(4). * WoWLAN Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-05net, wireless: Don't return uninitialized in __cfg80211_stop_sched_scan()Jesper Juhl
If the 'driver_initiated' function argument to __cfg80211_stop_sched_scan() is not 0 then we'll return an uninitialized 'err' from the function. Signed-off-by: Jesper Juhl <jj@chaosbits.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-05mac80211: Skip tailroom reservation for full HW-crypto devices with race fixYogesh Ashok Powar
Based on inputs from Johannes Berg <johannes@sipsolutions.net> from http://article.gmane.org/gmane.linux.kernel.wireless.general/68193 and http://article.gmane.org/gmane.linux.kernel.wireless.general/71702 In xmit path, devices that do full hardware crypto (including MMIC and ICV) need no tailroom. For such devices, tailroom reservation can be skipped if all the keys are programmed into the hardware (i.e software crypto is not used for any of the keys) and none of the keys wants software to generate Michael MIC and IV. v2: Added check for IV along with MMIC. Reported-by: Fabio Rossi <rossi.f@inwind.it> Tested-by: Fabio Rossi <rossi.f@inwind.it> Signed-off-by: Mohammed Shafi Shajakhan <mshajakhan@atheros.com> Cc: Mohammed Shafi Shajakhan <mshajakhan@atheros.com> v3: Fixing races to avoid WARNING: at net/mac80211/wpa.c:397 ccmp_encrypt_skb+0xc4/0x1f0 Reported-by: Andreas Hartmann <andihartmann@01019freenet.de> Tested-by: Andreas Hartmann <andihartmann@01019freenet.de> v4: Added links with message ID Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-01iwlagn: remove the indirection for the rx write pointerEmmanuel Grumbach
Not needed since the driver split. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-07-01iwlagn: remove hcmd opsWey-Yi Guy
All "agn" devices use the same hcmd functions, no need to call indirectly. remove hcmd_ops Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-07-01iwlagn: call bt_coex directllyWey-Yi Guy
Call the 2-wire and advanced bt-coex function directly to avoid mistake Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-07-01iwlagn: scd memory boundaryWey-Yi Guy
Assign memory boundary for SCD context, tx status and translation table Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-07-01iwlagn: move the tx allocation funcs to the transport layerEmmanuel Grumbach
These functions allocate all the Tx context. Only the simple tx_init is exported as API. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-07-01iwlagn: add rx_free to transport layerEmmanuel Grumbach
The transport layer ness to release all rx ressources. This function is an API for it. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-07-01iwlagn: introduce transport layer and implement rx_initEmmanuel Grumbach
The transport layer is responsible for all the queues, DMA rings etc... This is the beginning of the separation of all the code that is tighly related to HW design to the aforementioned transport layer. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-07-01iwlagn: add module parameter to disable stuck queue watchdog timerWey-Yi Guy
Add the parameter to disable stuck queue watchdog timer, different platforms might have different timing. Provide the option to disable the timer to prevent un-necessary firmware reload. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-07-01iwlagn: add correct firmware name for 135 seriesWey-Yi Guy
135 series are WiFi/BT combo and require different uCode from 105 series. [A Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-07-01iwlagn: re-define the testmode cmd and attr enumWey-Yi Guy
To make sure not having issues when adding new testmode commands or attributes in the future, re-define the enum. no functional changes Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-07-01iwlagn: verify mutex held for sync commandsJohannes Berg
Emmanuel noticed that there's no explicit checking that prevents the driver from attempting to issue multiple synchronous commands at the same time and wrote a patch to check. However, his patch warns only if a collision actually happened, an unlikely thing since the driver mutex should be held for synchronous command submissions. So instead of checking that a collision happened add a check that the mutex is held which ensures that collisions can't happen. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2011-06-29rtlwifi: potential forever loop in rtl92de_hw_init()Dan Carpenter
"i" should be an int here because we are trying to use it to count to 10000. The original code looks like it could hang in a forever loop. Signed-off-by: Dan Carpenter <error27@gmail.com> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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