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path: root/drivers/net/wireless
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2012-11-18Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
Minor line offset auto-merges. Signed-off-by: David S. Miller <davem@davemloft.net>
2012-11-16Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
2012-11-14brcmfmac: fix typo in CONFIG_BRCMISCANHauke Mehrtens
The old ifdef CONFIG_BRCMFISCAN looks wrong to me and it makes more sense when CONFIG_BRCMISCAN is used. This patch was just compile tested by me, but not runtime tested. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Acked-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-14Merge branch 'for-john' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes
2012-11-14Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
2012-11-07iwlwifi: use ieee80211_free_txskbJohannes Berg
To let mac80211 clean up any TX information when a frame is dropped, use ieee80211_free_txskb(). Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-05iwlwifi: handle DMA mapping failuresJohannes Berg
The RX replenish code doesn't handle DMA mapping failures, which will cause issues if there actually is a failure. This was reported by Shuah Khan who found a DMA mapping framework warning ("device driver failed to check map error"). Cc: stable@vger.kernel.org Reported-by: Shuah Khan <shuah.khan@hp.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-03drivers/net: use tasklet_kill in device remove/close processXiaotian Feng
Some driver uses tasklet_disable in device remove/close process, tasklet_disable will inc tasklet->count and return. If the tasklet is not handled yet because some softirq pressure, the tasklet will placed on the tasklet_vec, never have a chance to excute. This might lead to ksoftirqd heavy loaded, wakeup with pending_softirq, but tasklet is disabled. tasklet_kill should be used in this case. Signed-off-by: Xiaotian Feng <dannyfeng@tencent.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: netdev@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2012-10-30ar5523: make buffer size variable unsignedDan Carpenter
A negative buffer size doesn't make sense and it breaks this check in ar5523_get_max_rxsz(): if (!ar->rxbufsz || ar->rxbufsz > AR5523_SANE_RXBUFSZ) { ... Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-30rtlwifi: rtl8192c: rtl8192ce: rtl8192cu: rtl8192se: rtl8192de: Shorten some ↵Larry Finger
variable names The private data areas for these drivers contain some very long variable names that cause difficulty in fitting source lines to an 80-character limit. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-30rtlwifi: rtl8192c: rtl8192ce: Add support for B-CUT version of RTL8188CELarry Finger
Realtek devices with designation RTL8188CE-VL have the so-called B-cut of the wireless chip. This patch adds the special programming needed by these devices. In addition, a variable that was static has been moved into the private data area as it is now needed in two different routines. This change also fixes a minor bug that would be present if a system had more than one RTL81{88,92}CE devices. Other drivers in the rtlwifi family had already made this change, thus the variable already exists in the private data structure. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Anisse Astier <anisse@astier.eu> Cc: Li Chaoming <chaoming_li@realsil.com.cn> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-30ath9k: Test for TID only in BlockAcks while checking tx statusSven Eckelmann
The ath9k xmit functions for AMPDUs can send frames as non-aggregate in case only one frame is currently available. The client will then answer using a normal Ack instead of a BlockAck. This acknowledgement has no TID stored and therefore the hardware is not able to provide us the corresponding TID. The TID set by the hardware in the tx status descriptor has to be seen as undefined and not as a valid TID value for normal acknowledgements. Doing otherwise results in a massive amount of retransmissions and stalls of connections. Users may experience low bandwidth and complete connection stalls in environments with transfers using multiple TIDs. This regression was introduced in b11b160defc48e4daa283f785192ea3a23a51f8e ("ath9k: validate the TID in the tx status information"). Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Cc: stable@vger.kernel.org Acked-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-30rt2800: validate step value for temperature compensationStanislaw Gruszka
Some hardware has correct (!= 0xff) value of tssi_bounds[4] in the EEPROM, but step is equal to 0xff. This results on ridiculous delta calculations and completely broke TX power settings. Reported-and-tested-by: Pavel Lucik <pavel.lucik@gmail.com> Cc: stable@vger.kernel.org Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless Conflicts: drivers/net/wireless/mwifiex/cfg80211.c
2012-10-29ath9k: Dump BTCOEX tuning parametersRajkumar Manoharan
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29ath9k_hw: validate MCI stuck after RTC wakeupRajkumar Manoharan
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29ath9k_hw: Fix concurrent tx on lower tx powerRajkumar Manoharan
Whenever WLAN receives scheduling msg from BT, it reduces tx power based on RSSI level. And then BT starts simultaneous transmission along with WLAN. Sometimes HW MAC compares tx power that is used prior to power reduction which is causing BT transmission to defer. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29ath9k_hw: Enable hw PLL power save for AR9565Rajkumar Manoharan
This reduced the power consumption to half in full and network sleep. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29ath9k_hw: Enable hw PLL power save for AR9462Rajkumar Manoharan
This reduced the power consumption to half in full and network sleep. Cc: stable@vger.kernel.org Cc: Paul Stewart <pstew@chromium.org> Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29ar5523: Add new driverPontus Fuchs
This driver is for the AR5523 chipset from Atheros. It was created in 2007 by Christoph Hellwig but it was never finished. I found it a couple of months ago and after some polishing it's working pretty fine. The driver was written with the FreeBSD driver (uath) as reference, which was written with the reverse-engineered windows driver as reference, hence the feature set is very limited. Station mode only, no HW crypto offload. Signed-off-by: Pontus Fuchs <pontus.fuchs@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29brcmfmac: store IEs per virtual interfaceArend van Spriel
For AP feature the IEs are stored in global structure. For future functionality like P2P-GO it needs to be stored per virtual interface so better store it in the virtual interface structure. Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29brcmfmac: remove unnecessary macro usage in brcmf_cfg80211_resume()Arend van Spriel
The macro wiphy_to_cfg() is a bit redundant as the function already has a pointer variable to brcmf_cfg80211_info structure. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29brcmfmac: add virtual interface support in brcmf_cfg80211_suspend()Arend van Spriel
With multiple interfaces suspend will need to iterate over all and bring down the link. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29brcmfmac: use memset when setting a broadcast mac addressArend van Spriel
The driver had a global constant ether_bcast, which was copied whenever a broadcast mac address was needed. This patch does a memset(dest, 0xFF, ETH_ALEN) instead and consequently removes the global ether_bcast. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29brcmfmac: rename check_sys_up() to check_vif_up()Arend van Spriel
The function now return the status for a virtual interface so it seems better rename the function to understand what it does. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29brcmfmac: remove unused enumeration wl_prof_listArend van Spriel
The enumeration wl_prof_list is no longer used so it can be safely removed. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29brcmfmac: cleanup brcmf_cfg80211_profile structureArend van Spriel
A couple of unused fields have been removed and kernel-doc info has been added to the structure. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29brcmfmac: remove debugfs functionality from wl_cfg80211.cArend van Spriel
In wl_cfg80211.c debugfs directory was created to expose dtim_period and beacon_interval. However, this can be easily obtained using iw so it is removed from the driver. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29brcmfmac: separate connection status from scanning statusArend van Spriel
The connection status is to be kept per virtual interface and the scanning status is for device. So they need to be separated for multiple interface support. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29brcmfmac: use vif struct to check_sys_up() functionArend van Spriel
This checks the status that will soon be moved to virtual interface data so preparing for that use the structure brcmf_cfg80211_vif as parameter instead. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Hante Meulemen <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29brcmfmac: store profile information per virtual interfaceArend van Spriel
The profile information applies to an interface so each virtual interface needs it. So it is removed from brcmf_cfg80211_info and added to brcmf_cfg80211_vif structure. Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29brcmfmac: introduce brcmf_cfg80211_vif structureArend van Spriel
This patch introduces the brcmf_cfg80211_vif structure which is used to keep track of multiple virtual interfaces in the driver. Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29brcmfmac: remove brcmf_find_bssidx() functionArend van Spriel
The function brcmf_find_bssidx() is no longer used so remove it from the driver code. Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29brcmfmac: change parameter list for send_key_to_dongle()Arend van Spriel
The first two parameters given to send_key_to_dongle() are redundant so they have been removed. Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29brcmfmac: use fwil for default configuration setup.Hante Meuleman
modify the setup code to use the refactored firmware interface layer. Reviewed-by: Arend Van Spriel <arend@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29brcmfmac: streamline header parse code of sdio glom readFranky Lin
Use brcmf_sdio_hdparser to handle header of super frame and sub frame in glomming frame read. Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29brcmfmac: use struct brcmf_if as interface object for fwil functionsArend van Spriel
The functions for communicating were given the net_device only because its private data contained struct brcmf_if object. However, not all firmware related interfaces will be associated with a net_device. To accomodate provisioning firmware for such interfaces the struct brcmf_if object will be passed to the fwil functions. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29brcmfmac: add function converting ieee80211_channel to chanspecArend van Spriel
The firmware carries channel information in a different format as the provided ieee80211_channel structure. Conversion is needed when receiving requests from cfg80211 carrying ieee80211_channel structures. This patch adds a utility function to do that. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29brcmfmac: use bssidx from struct brcmf_if for bsscfg specific commandsArend van Spriel
The firmware interface has functions to send bsscfg specific commands to the device. These functions currently have a bssidx parameter, but that same information is stored in struct brcmf_if, which is in the private data of the net_device parameter. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29brcmfmac: rework driver initialization in brcmf_bus_start()Arend van Spriel
In brcmf_bus_start() a number of settings are sent to the device. For this functions are used that bypass the common firmware interface. By reordering the code in brcmf_bus_start() this bypass can be removed. Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29brcmfmac: extend struct brcmf_if with bssidx fieldArend van Spriel
When the firmware notifies the driver about adding a new interface it also provides an index for the bss associated with this interface. This index will be needed for upcoming features like peer-to-peer. By adding this index in struct brcmf_if it is easy to obtain as this will be associated with the net_device private data. Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29brcmfmac: clean usb download code.Hante Meuleman
reuse ioctl waiting method. Reviewed-by: Arend Van Spriel <arend@broadcom.com> Signed-off-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29brcmfmac: remove redundant function brcmf_c_mkiovar_bsscfgHante Meuleman
function brcmf_c_mkiovar_bsscfg became redundant with refactoring of firmware interface layer. Reviewed-by: Arend Van Spriel <arend@broadcom.com> Signed-off-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29brcmfmac: change testmode command to use new firmware interface layerHante Meuleman
switch to new firmware interface layer and remove redundant code. Reviewed-by: Arend Van Spriel <arend@broadcom.com> Signed-off-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29brcmfmac: remove unused iswl variable.Hante Meuleman
Variable iswl always gets initialised to the same and support for this var is not needed. Reviewed-by: Arend Van Spriel <arend@broadcom.com> Signed-off-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29brcmfmac: refactor firmware interface layer.Hante Meuleman
Refactor the functions that are related to getting and setting data to and and from the firmware. Reviewed-by: Arend Van Spriel <arend@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Franky Lin <frankyl@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29carl9170: split up carl9170_handle_mpduChristian Lamparter
carl9170_handle_mpdu is the final part of the rx path of the driver. It splits the raw data streams from the device into skb packets and passes them on to mac80211. As a result of continuous updates, it grew over the years when new code was added by the following commits: - report A-MPDU status - fix HT peer BA session corruption - A-MPDU frame type filter - ... This patch splits the routine into two stages. The first stage only deals with the details about extracting and verifying the data from the incoming stream. Whereas the second stage packs it into skbs and passes it on to mac80211. Reported-by: Javier Lopez <jlopex@cozybit.com> Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29mwifiex: rx path enhancement to derive priv only onceAvinash Patil
We derive mwifiex_private structure which is per interface from received skb's rx_info. Once priv is derived, same priv can be propagated to other functions instead of callee deriving priv from rx_info again. Signed-off-by: Avinash Patil <patila@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29mwifiex: handle extended supported rates IE for APAvinash Patil
During start_ap handler, some rates come as extended supported rates IE - part of beacon tail IE. This patch adds support for parsing them and adding to bss_rates TLV for bss_start command to firmware. Signed-off-by: Avinash Patil <patila@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-10-29Revert "mwifiex: retrieve correct max_power information in reg_notifier handler"Amitkumar Karwar
This reverts commit 34202e28fe7fc8551313f9a035a8857db83de757 We made "34202ee.." because we didn't support custom regulatory rules at that time. But now we use our own custom regulatory rules, so it needs to be changed back. Also, chan->max_power calculations in cfg80211 were broken. Hence we started using chan->max_reg_power. Now it has got fixed in following commit. commit 5e31fc0815a4e2c72b1b495fe7a0d8f9bfb9e4b4 Author: Stanislaw Gruszka <sgruszka@redhat.com> Date: Tue Jul 24 08:35:39 2012 +0200 wireless: reg: restore previous behaviour of chan->max_power calculations Hence we will use chan->max_power instead of chan->max_reg_power. 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>
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