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* rt2800usb: handle TX status timeoutsJohannes Stezenbach2011-04-191-4/+7
| | | | | | | | | | The watchdog just triggers rt2800usb_work_txdone() when it detects a TX status timeout, thus rt2800usb_work_txdone() needs to handle this case. Signed-off-by: Johannes Stezenbach <js@sig21.net> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rt2x00: fix queue timeout checksJohannes Stezenbach2011-04-195-25/+43
| | | | | | | | | | | | | | | Add a timestamp to each queue entry which is updated whenever the status of the entry changes, and remove the per-queue timestamps. The previous check was incorrect and caused both false positives and false negatives. With the corrected check it comes apparent that the TX status usually times out on rt2800usb unless there is sufficient traffic (i.e. the next TX will complete the previous TX status). Signed-off-by: Johannes Stezenbach <js@sig21.net> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rt2800usb: read TX_STA_FIFO asynchronouslyJohannes Stezenbach2011-04-195-24/+110
| | | | | | | | | | | | | | | | | | | | | Trying to fix the "TX status report missed" warnings by reading the TX_STA_FIFO entries as quickly as possible. The TX_STA_FIFO is too small in hardware, thus reading it only from the workqueue is too slow and entries get lost. Start an asynchronous read of the TX_STA_FIFO directly from the TX URB completion callback (atomic context, thus it cannot use the blocking rt2800_register_read()). If the async read returns a valid FIFO entry, it is pushed into a larger FIFO inside struct rt2x00_dev, until rt2800_txdone() picks it up. A .tx_dma_done callback is added to struct rt2x00lib_ops to trigger the async read from the URB completion callback. Signed-off-by: Johannes Stezenbach <js@sig21.net> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rt2x00: Use TXOP_HTTXOP for beaconsHelmut Schaa2011-04-191-2/+3
| | | | | | | | | Use TXOP_HTTXOP for beacons to stay in sync with the legacy drivers. Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Acked-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>
* rt2x00: Update TX_SW_CFG2 init valueHelmut Schaa2011-04-191-1/+1
| | | | | | | | | | Bring the TX_SW_CFG2 initialisation for rt305x devices in sync with the ralink legacy drivers. Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Acked-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>
* rt2x00: Use correct TBTT_SYNC config in AP modeHelmut Schaa2011-04-191-0/+19
| | | | | | | | | | | | | This seems to fix problems with some powersaving clients since a positive value in TBTT_SYNC_CFG_TBTT_ADJUST introduces beacon skew, which is not wanted in AP mode. Also update the rest of the TBTT_SYNC config according to the legacy drivers in AP mode. Signed-off-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>
* rt2x00: Make rt2x00_queue_entry_for_each more flexibleHelmut Schaa2011-04-193-21/+49
| | | | | | | | | | | | | | | | Allow passing a void pointer to rt2x00_queue_entry_for_each which in turn in provided to the callback function. Furthermore, allow the callback function to stop processing by returning true. And also notify the caller of rt2x00_queue_entry_for_each if the loop was canceled by the callback. No functional changes, just preparation for an upcoming patch. Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rt2x00: Split rt2x00dev->flagsIvo van Doorn2011-04-1919-153/+203
| | | | | | | | | | | | | | | | | | | | | | | | The number of flags defined for the rt2x00dev->flags field, has been growing over the years. Currently we are approaching the maximum number of bits which are available in the field. A secondary problem, is that one part of the field are initialized only during boot, because the driver requirements are initialized or device requirements are loaded from the EEPROM. In both cases, the flags are fixed and will not change during device operation. The other flags are the device state, and will change frequently. So far this resulted in the fact that for some flags, the atomic bit accessors are used, while for the others the non-atomic variants are used. By splitting the flags up into a "flags" and "cap_flags" we can put all flags which are fixed inside "cap_flags". This field can then be read non-atomically. In the "flags" field we keep the device state, which is going to be read atomically. This adds more room for more flags in the future, and sanitizes the field access methods. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rt2x00: Fix stuck queue in tx failure caseHelmut Schaa2011-04-191-1/+1
| | | | | | | | | | | | | | | Since commit 0b7fde54f94979edc67bbf86b5adba702ebfefe8 "rt2x00: Protect queue control with mutex" rt2x00 used rt2x00queue_pause_queue for stopping a tx queue in mac80211. But in case of a failure in the tx path rt2x00 still called ieee80211_stop_queue which stopped the queue but prevented rt2x00queue_unpause_queue to wake the queue up again resulting in a stuck tx queue. Fix this by also using rt2x00queue_pause_queue in case of tx failures. Signed-off-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>
* rt2x00: Enable WLAN LED on Ralink SoC (rt305x) devicesLayne Edwards2011-04-191-18/+42
| | | | | | | | | | | | | This patch adds WLAN LED support to the mac80211 rt2x00 driver for Ralink SoC (rt305x) devices. The current WLAN LED drivers in rt2800lib.c set the LED brightness via an MCU request, but do nothing for SoC. This patch checks for SoC and sets the register to enable the WLAN LED (instead of an MCU request). This enables the WLAN LED for RT305x devices. Signed-off-by: Layne Edwards <ledwards@astrumtech.net> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: assign keycache slots to unencrypted stationsFelix Fietkau2011-04-194-4/+36
| | | | | | | | | | | | Frame filtering relies on having a valid destination index (keycache slot), to keep track of the destination. Assigning a keycache slot (configured to unencrypted, with no key data attached) improves powersave handling in AP mode with no encryption. The dummy keycache entry for a station is cleared, when a real key gets added. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: fix powersave frame filtering/buffering in AP modeFelix Fietkau2011-04-198-15/+145
| | | | | | | | | | | | | | | | | | This patch fixes a long standing issue of pending packets in the queue being sent (and retransmitted many times) to sleeping stations. This was made worse by aggregation through driver-internal retransmitting of A-MDPU subframes. Previously the hardware tx filter was cleared unconditionally for every single packet - with this patch it uses the IEEE80211_TX_CTL_CLEAR_PS_FILT for unaggregated frames. A sta_notify driver op is added to stop aggregation for stations when they enter powersave mode. Subframes stay buffered inside the driver, to ensure that the BlockAck window keeps a sane state. Since the driver uses software aggregation, the clearing of the tx filter needs to be handled by the driver instead of mac80211 for aggregated frames. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Fix beacon generation on foreign channelRajkumar Manoharan2011-04-191-14/+22
| | | | | | | | | | | | | | | | | | | While leaving the oper channel, beacon generation is stopped by mac80211 and beacon slots are marked as inactive. During the scan, ath9k configures beacon timers based on IEEE80211_CONF_OFFCHANNEL which inturn generates beacon alert even though bslot is inactive. ath9k fails to disable beacon alert while moving to offchannel if none of the beacon slot is active. This is causing beacon transmission on foreign channel. This patch enables swba based on active bslots. This issue was reported with two vifs (AP+STA) and triggered scan in STA vif in unassociated state. Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: add a function for setting the TIM bit for a specific stationFelix Fietkau2011-04-193-1/+27
| | | | | | | | | | | | This allows a driver to buffer frames for a PS station and tell mac80211 to wake it up even though mac80211 does not have any buffered frames for it. This is necessary for properly handling aggregation related buffering, in ath9k, because the driver needs to keep its frames in order to keep track of the Block-ACK window. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_htc: Fix free slot value for cab queueRajkumar Manoharan2011-04-191-1/+1
| | | | | | | | ath9k_htc_tx_get_slot can return zero as valid index. Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com> Acked-by: Sujith Manoharan <Sujith.Manoharan@Atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mwifiex: optimize driver initialization codeAmitkumar Karwar2011-04-193-64/+33
| | | | | | | | | | | | 1) removal of unnecessary mwifiex_device structure 2) avoid passing adapter pointer to mwifiex_init_sw() 3) remove local variable drv_mode_info in mwifiex_add_card() 4) type change in mwifiex_bss_attr to match mwifiex_private 5) removal of more wordy comments 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>
* mwifiex: remove some macro definitionsAmitkumar Karwar2011-04-195-7/+4
| | | | | | | | use corresponding macros defined in include/linux/ieee80211.h 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>
* mwifiex: remove redundant local variables and commentsYogesh Ashok Powar2011-04-1913-277/+105
| | | | | | | | | | | Remove some local variables (mainly function return values) that are used only once. Also, one dummy function and some wordy comments are removed. Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Kiran Divekar <dkiran@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: fix debugfs printk format warningRandy Dunlap2011-04-191-1/+1
| | | | | | | | | Fix printf() format warning (tm_year is long int): net/mac80211/debugfs_sta.c:113: warning: format '%d' expects type 'int', but argument 4 has type 'long int' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwlegacy: use pci_dev->revisionSergei Shtylyov2011-04-191-1/+1
| | | | | | | | | | Commit be663ab67077fac8e23eb8e231a8c1c94cb32e54 (iwlwifi: split the drivers for agn and legacy devices 3945/4965) added code to read the 4965's revision ID from the PCI configuration register while it's already stored by 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>
* ath9k_htc: Cleanup HTC debugfsRajkumar Manoharan2011-04-193-137/+27
| | | | | | | | | Move the ath9k_htc debugfs under ieee80211 to be inline with ath9k driver and it also helps to simplify debug code. Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com> Acked-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_htc: Add debugfs support to change debug maskRajkumar Manoharan2011-04-192-0/+50
| | | | | | Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com> Acked-by: Sujith Manoharan <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath: fix 0x6C for beaconing/passive scan flags based on country IELuis R. Rodriguez2011-04-191-0/+1
| | | | | | | | | | | | | | | The 0x6C regulatory domain is just like the 0x6A regulatory domain but differs in that 0x6C will allow adhoc and active scan on its channels only if we are associated to an AP with a country IE that allows those channels. The ath_reg_apply_beaconing_flags() does just this -- we respect the manufacturer's intent on only enabling beaconing modes of operation if and only if blessed by the country IE. Cc: David Quan <david.quan@atheros.com> Cc: Senthil Balasubramanian <senthilkumar@atheros.com> Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rfkill: Regulator consumer driver for rfkillAntonio Ospite2011-04-194-0/+224
| | | | | | | | | | | | | Add a regulator consumer driver for rfkill to enable controlling radio transmitters connected to voltage regulators using the regulator framework. A new "vrfkill" virtual supply is provided to use in platform code. Signed-off-by: Guiming Zhuo <gmzhuo@gmail.com> Signed-off-by: Antonio Ospite <ospite@studenti.unina.it> Reviewed-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* Merge branch 'master' of ↵John W. Linville2011-04-1911-805/+964
|\ | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/padovan/bluetooth-next-2.6
| * Bluetooth: Fix lockdep warning in L2CAPGustavo F. Padovan2011-04-141-2/+0
| | | | | | | | | | | | | | | | Fix a regression from the L2CAP "rewrite" patches. Purge the tx_q already happens on l2cap_chan_del() so we don't need it at l2cap_disconnect_req(). Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * Bluetooth: Fix another locking unbalanceGustavo F. Padovan2011-04-141-0/+2
| | | | | | | | | | | | | | l2cap_get_sock_by_scid was changed to not lock the socket anymore, but I forgot to change all the users of this function. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * Bluetooth: Don't lock sock inside l2cap_get_sock_by_scid()Gustavo F. Padovan2011-04-131-5/+3
| | | | | | | | | | | | | | | | Fix an locking issue with the new l2cap_att_channel(). l2cap_att_channel() was trying to lock a locked socket. Reported-by: Anderson Lizardo <anderson.lizardo@openbossa.org> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * Bluetooth: btmrvl: support Marvell Bluetooth device SD8787Kevin Gan2011-04-133-64/+132
| | | | | | | | | | | | | | | | | | | | | | The SD8787 firmware image is shared with mwifiex driver. Whoever gets loaded first will be responsible for firmware downloading. Signed-off-by: Kevin Gan <ganhy@marvell.com> Signed-off-by: Tristan Xu <xurf@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * Bluetooth: Check return value of hci_recv_stream_fragment()Gustavo F. Padovan2011-04-131-1/+6
| | | | | | | | | | | | It may return error and in this case we do add to the stats. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * Bluetooth: hci_uart: check the return value of recv()Jiejing Zhang2011-04-132-3/+10
| | | | | | | | | | | | | | | | Check the return value of hu->proto->recv() in hci_uart_tty_receive() the recv() may return error, check it, not add this to statistics. Signed-off-by: Jiejing Zhang <jiejing.zhang@freescale.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * Bluetooth: Fix Out Of Band pairing when mgmt interface is disabledSzymon Janc2011-04-131-0/+4
| | | | | | | | | | | | | | | | | | Use kernel stored remote Out Of Band data only if management interface is enabled. Otherwise HCI_OP_REMOTE_OOB_DATA_NEG_REPLY was sent to controller even if remote Out Of Band data was present in bluetoothd. Signed-off-by: Szymon Janc <szymon.janc@tieto.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * Bluetooth: Add proper handling of received LE dataGustavo F. Padovan2011-04-131-0/+34
| | | | | | | | | | | | | | Despite it works, handling through l2cap_data_channel() is wrongs. That function should handle only connection oriented data. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * Bluetooth: Clean up ath3k_load_firmware()Gustavo F. Padovan2011-04-131-3/+0
| | | | | | | | Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * Bluetooth: Fix wrong comparison in listen()Gustavo F. Padovan2011-04-131-1/+1
| | | | | | | | | | | | We should check for the pi->scid there. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * Bluetooth: Move tx queue to struct l2cap_chanGustavo F. Padovan2011-04-133-27/+24
| | | | | | | | | | | | tx_q is the queue used by ERTM mode. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * Bluetooth: Remove unneeded uninitialized_vars()Gustavo F. Padovan2011-04-131-1/+1
| | | | | | | | | | | | That was unnecessary use of it. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * Bluetooth: Remove some sk references from l2cap_core.cGustavo F. Padovan2011-04-131-17/+12
| | | | | | | | | | | | | | Change some BT_DBG messages and consequently remove some struct sock declarations. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * Bluetooth: Move SREJ list to struct l2cap_chanGustavo F. Padovan2011-04-133-19/+17
| | | | | | | | | | | | As part of moving all the Channel related operation to struct l2cap_chan. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * Bluetooth: Fix lockdep warning with skb list lockGustavo F. Padovan2011-04-071-0/+5
| | | | | | | | | | | | | | This is a regression acctually, caused by the first patch series for creating a formal strcut l2cap_chan. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * Bluetooth: Move busy workqueue to struct l2cap_chanGustavo F. Padovan2011-04-072-12/+10
| | | | | | | | | | | | As part of the moving channel stuff to l2cap_chan. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * Bluetooth: Move srej and busy queues to struct l2cap_chanGustavo F. Padovan2011-04-073-28/+22
| | | | | | | | | | | | As part of the moving channel stuff to l2cap_chan. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * Bluetooth: Move ERTM timers to struct l2cap_chanGustavo F. Padovan2011-04-073-51/+51
| | | | | | | | | | | | This also triggered a change in l2cap_send_disconn_req() parameters. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * Bluetooth: Move remote info to struct l2cap_chanGustavo F. Padovan2011-04-073-23/+23
| | | | | | | | | | | | As part of the moving channel stuff to l2cap_chan. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * Bluetooth: Move SDU related vars to struct l2cap_chanGustavo F. Padovan2011-04-072-41/+41
| | | | | | | | | | | | As part of the moving channel stuff to l2cap_chan. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * Bluetooth: Move more ERTM stuff to struct l2cap_chanGustavo F. Padovan2011-04-072-32/+29
| | | | | | | | | | | | As part of the moving channel stuff to l2cap_chan. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * Bluetooth: Move of ERTM *_seq vars to struct l2cap_chanGustavo F. Padovan2011-04-073-77/+73
| | | | | | | | | | | | As part of the moving channel to stuff to struct l2cap_chan. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * Bluetooth: Move conn_state to struct l2cap_chanGustavo F. Padovan2011-04-073-195/+217
| | | | | | | | | | | | | | | | This is part of "moving things to l2cap_chan". As one the first move it triggered a big number of changes in the funcions parameters, basically changing the struct sock param to struct l2cap_chan. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * Bluetooth: clean up l2cap_sock_recvmsg()Gustavo F. Padovan2011-04-073-27/+29
| | | | | | | | | | | | | | Move some channel specific stuff to l2cap_core.c, this will make things more clear. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| * Bluetooth: Move conf_{req,rsp} stuff to struct l2cap_chanGustavo F. Padovan2011-04-073-36/+38
| | | | | | | | | | | | They are also l2cap_chan specific. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
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