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path: root/drivers/net/wireless
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* ath9k: remove a bogus WARN_ONFelix Fietkau2011-08-24
| | | | | | | | | | On embedded hardware it's normal to not have a PCI device for the PCI bridge that the wifi card is attached to. pdev->bus->self will be NULL in that case. In that case, simply return without emitting an useless kernel stack trace. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Dump modal noisefloor calibration historyRajkumar Manoharan2011-08-24
| | | | | | | | Debugfs file location: <debugfs_mnt>/ieee80211/phy#/ath9k/dump_nfcal Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Fix invalid noisefloor reading due to channel updateRajkumar Manoharan2011-08-24
| | | | | | | | | | | While switching b/w HT20/40, the current channel's nf values are updated into history buffer. Since the current channel's channel type, channel flag got updated before reading nf value from hw. This channel type mismatch is causing invalid readings when hw is on ht20 but getnf tries to read on extn chains. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Fix noisefloor history update for extn chainsRajkumar Manoharan2011-08-24
| | | | | | | | | | | | Before doing hw reset the current channel's noisefloor readings are updated into history buffer. The extension chain's readings are considered only if the current channel was configured in HT40. While moving from HT40 to HT20, the extn chain's readings are skipped though the current channel is in ht40. This patch updates extn chain reading based on channel flag. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Move ath9k_init_crypto to commonRajkumar Manoharan2011-08-24
| | | | | Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Remove SC_OP_ENABLE_APMRajkumar Manoharan2011-08-24
| | | | | Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_hw: Remove unnecessary chainmask configurationRajkumar Manoharan2011-08-24
| | | | | | | | The chainmasks were already configured at process_ini before doing init calibration. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: qinfo never be NULL in setuptxqueueRajkumar Manoharan2011-08-24
| | | | | Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Remove unused argument tsf from ath9k_hw_rxprocdescRajkumar Manoharan2011-08-24
| | | | | Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Re-enable RXOEL interrupt after processing rx buffersRajkumar Manoharan2011-08-24
| | | | | | | | Once RXEOL was disabled, it never be enabled again. This patch re-enables rxeol at the end of rx tasklet. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Fix rx overrun interrupt stormRajkumar Manoharan2011-08-24
| | | | | | | | | | | | | | | | | | | | | | | | | Whenever RXEOL is received, both RXORN and RXEOL got cleared to avoid rx overrun interrupt storm. This was handled only for edma chips. The same scenario was also observered with AR9280, doing frequent channel type switch b/w HT20/40 with bidi traffic that is causing failure to stop rx dma. This patch clears the RXEOL & RXORN interrupts for all chips. ath: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x42000020 DMADBG_7=0x000062c0 ath: Could not stop RX, we could be confusing the DMA engine when we start RX up ------------[ cut here ]------------ WARNING: at drivers/net/wireless/ath/ath9k/recv.c:532 ath_stoprecv+0x110/0x120 [ath9k]() Call Trace: [<ffffffff8104a55a>] warn_slowpath_common+0x7a/0xb0 [<ffffffff8104a5a5>] warn_slowpath_null+0x15/0x20 [<ffffffffa0560380>] ath_stoprecv+0x110/0x120 [ath9k] [<ffffffffa055e6fa>] ath_reset+0x6a/0x200 [ath9k] Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_hw: Fix exceed transmission burst-time of 5GHzRajkumar Manoharan2011-08-24
| | | | | | | | | | | | The WAR which adds extra delimiters when using RTS/CTS with aggregation and non-enterprise AR9003 chips. This extra padding is done after doing all the 4ms limit checks and hence the total aggregate sizes are exceeding the allowed duration. This patch limits the aggregate sizes appropriately after including these extra delimiters. Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* b43: HT-PHY: allow writing longer tables with a single callRafał Miłecki2011-08-23
| | | | | | | | Sometimes we need to write table which is 2-10 elements long. It's easier to create such a function instead of defining array every time. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* b43: HT-PHY: init: add missing small-tables writesRafał Miłecki2011-08-22
| | | | | Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rtlwifi: add module parameter to set global debug levelStefan Assmann2011-08-22
| | | | | | | | No need to recompile the module anymore to set the debug level. Signed-off-by: Stefan Assmann <sassmann@kpanic.de> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* b43: HT-PHY: init: add some AFE (Analog Frontend) operationRafał Miłecki2011-08-22
| | | | | Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* b43: HT-PHY: init: add missing PHY mask/set opsRafał Miłecki2011-08-22
| | | | | | | | | | | | | MMIO hacks were used to trick ndis&wl. For example following: phy_read(0x0280) -> 0xffff phy_write(0x0280) <- 0xff3e *** phy_read(0x0280) -> 0x0000 phy_write(0x0280) <- 0x003e was translated to mask 0xff00 and set 0x3e. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* b43: HT-PHY: init: init BPHY and upload 0x1a tableRafał Miłecki2011-08-22
| | | | | Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* b43: HT-PHY: init: copy tables and reset CCARafał Miłecki2011-08-22
| | | | | Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* b43: HT-PHY: init: implement few simple PHY writesRafał Miłecki2011-08-22
| | | | | Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* b43: HT-PHY: init: zero EXTG registersRafał Miłecki2011-08-22
| | | | | Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mwl8k: Traffic to clients gets affected when one client leaves a cyrpto bssNishant Sarmukadam2011-08-22
| | | | | | | | | | | | | | | When a client disassociates from a crypto enabled bss, data traffic to other clients connected to the bss is stalled. This was due to a boolean variable used to keep track if HW crypto is enabled i.e. if set key has been called to add a key. This flag was being reset every time delete key was called e.g when a station leaves the bss. Once the flag is reset, rx status flags were not being set for connected clients which disrupts traffic to these clients. Fix this issue by not resetting the flag since we do not need to reset this flag during the life time of the bss. Signed-off-by: Nishant Sarmukadam <nishants@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* b43: make forcing clock common (HT-PHY also uses that)Rafał Miłecki2011-08-22
| | | | | Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* b43: include HT-PHY in some common codeRafał Miłecki2011-08-22
| | | | | Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* b43: support new RX header, noticed to be used in 598.314+ fwRafał Miłecki2011-08-22
| | | | | Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* b43: support new TX header, noticed to be used by 598.314+ fwRafał Miłecki2011-08-22
| | | | | Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* b43: use enum for firmware header formatRafał Miłecki2011-08-22
| | | | | Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* b43: rename TX header formatsRafał Miłecki2011-08-22
| | | | | | | | Replace "old" and "new" with number of the first firmware known to use the given format. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* b43: reload phy and bss settings after core restartsFelix Fietkau2011-08-22
| | | | | | | | | | | b43_op_config and b43_op_bss_info_changed apply many settings by directly writing to hardware registers. These settings are lost as soon as the core is restarted and the initvals are reloaded. This was discovered because restarting hostapd led to the beacon interval getting set to ~33s (see https://dev.openwrt.org/ticket/8033 for more information). Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: do btcoex ASPM disabling at initialization timeStanislaw Gruszka2011-08-22
| | | | | | | | | | | | Disable ASPM in pci ->probe on upstream (device) and downstream (PCIe port) component. According to e1000e driver authors this is required. I did not find that requirement in PCIe spec, but it seems to be logical for me. This need to be fixed for CONFIG_PCIEASPM, that will be done later ... Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: merge common ->config_pci_powersave() checksStanislaw Gruszka2011-08-22
| | | | | | | | Move common checks into wrapper function. Since ASPM can be only enabled on PCIe devices ->is_pciexpress check is unneeded. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: remove ->config_pci_powersave() redundant argumentStanislaw Gruszka2011-08-22
| | | | | | | | | We always call ->config_pci_powersave() with both restore and power_off arguments equal to 0 or both equal to 1, so merge them into one argument. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mwifiex: use cfg80211 dynamic scan table and cfg80211_get_bss APIAmitkumar Karwar2011-08-12
| | | | | | | | | | | | | | Instead of maintaining static scan table in driver, scan list is sent to cfg80211 stack (after parsing each scan command response). In assoc handler (for infra and ibss network) requested BSS information is retrieved using cfg80211_get_bss() API. With the changes above some redundant code are removed. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: avoid sending a-mpdu packets to sleeping stationsFelix Fietkau2011-08-12
| | | | | | | | | | If the driver gets a tx status report for an A-MPDU sent to a station that just went to sleep, that leaves a race condition where this tx status can trigger another A-MPDU transmission. To fix this, check if the station is sleeping before queueing the tid. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: remove eeprom txgain override for minor version < 19Marek Lindner2011-08-12
| | | | | | | | | | | | | | | | | | ath9k_hw_4k_get_eeprom() overrides the eeprom value for txgain if the minor version is not 19 or above with a value of 0. ar9002_hw_init_mode_gain_regs() relies on this information to determine whether this is a high power wifi card or not. The override caused the driver to always use the 'normal' power tables even for high power devices if their minor version was not high enough. Thus leading to reduced power output. This isn't needed for the AR9285; the check originated with the AR9280 setup code which requires the EEPROM version check. Signed-off-by: Marek Lindner <lindner_marek@yahoo.de> Acked-by: Felix Fietkau <nbd@openwrt.org> Acked-by: Adrian Chadd <adrian@freebsd.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: remove obselete commentsMohammed Shafi Shajakhan2011-08-10
| | | | | | | | the comments are obselete as the virtual wiphy support was removed from the driver Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: optimize rate control statisticsMohammed Shafi Shajakhan2011-08-10
| | | | | | | | | | for the ease of debugging, we display only the rate control statistics for currently operating mode and bandwidth Cc: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com> Cc: "Balasubramanian, senthilkumar" <senthilb@qca.qualcomm.com> Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_htc: minor clean-upMohammed Shafi Shajakhan2011-08-10
| | | | | Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211_hwsim: Fix RX status reporting for HTJouni Malinen2011-08-10
| | | | | | | | | | RX_FLAG_HT must be included when reporting MCS rates. Without this, mac80211 ended up dropping any frame sent at MCS index 12 or higher and that resulted in oddly random looking errors in mac80211_hwsim tests. Signed-off-by: Jouni Malinen <j@w1.fi> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* Merge branch 'for-linville' of ↵John W. Linville2011-08-10
|\ | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath6kl
| * ath6kl: fix function name conflicts with ath9kKalle Valo2011-08-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Stephen reported that compilation fails if both ath6kl and ath9k are compiled in: drivers/net/wireless/ath/ath6kl/built-in.o: In function `htc_start': (.opd+0x600): multiple definition of `htc_start' drivers/net/wireless/ath/ath9k/built-in.o:(.opd+0x3e40): first defined here drivers/net/wireless/ath/ath6kl/built-in.o: In function `.htc_stop': (.text+0x7b40): multiple definition of `.htc_stop' drivers/net/wireless/ath/ath9k/built-in.o:(.text+0x67b34): first defined he= re drivers/net/wireless/ath/ath6kl/built-in.o: In function `.htc_start': (.text+0x7d18): multiple definition of `.htc_start' drivers/net/wireless/ath/ath9k/built-in.o:(.text+0x67ba0): first defined he= re drivers/net/wireless/ath/ath6kl/built-in.o: In function `htc_stop': (.opd+0x5e8): multiple definition of `htc_stop' drivers/net/wireless/ath/ath9k/built-in.o:(.opd+0x3e28): first defined here To fix this add ath6kl prefix to all public functions in htc.c. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
* | Merge branch 'ath6kl-next' of ↵John W. Linville2011-08-09
|\| | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/kvalo/ath6kl
| * ath6kl: Release the memory allocated for the firmwareRaja Mani2011-08-09
| | | | | | | | | | | | | | | | Nowhere the firmware memory is freed, free it during the device destroy process. Signed-off-by: Raja Mani <rmani@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
| * ath6kl: Fix crash during the connection processRaja Mani2011-08-09
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Sometimes, the network manager is failing to connect to the AP due to the below kernel crash message. The reason behind this, after issuing the connect command to the chip, the chip is sending disconnect event and then immediately one connect event to the host in some random cases. The host driver resets all states (including cfg80211 state machine) when it receives disconnect event from the chip. But, still the host driver reports the next received connect event to cfg80211, at that time cfg80211 SME state would have been in IDLE state, which was causing the below kernel crash. Now, host driver's sme state machine is checked every time before delivering connect event to cfg80211 WARNING: at net/wireless/sme.c:517 cfg80211_connect_result+0x10d/0x120() [..] Call Trace: [<c0145732>] warn_slowpath_common+0x72/0xa0 [<c05d676d>] ? cfg80211_connect_result+0x10d/0x120 [<c05d676d>] ? cfg80211_connect_result+0x10d/0x120 [<c0145782>] warn_slowpath_null+0x22/0x30 [<c05d676d>] cfg80211_connect_result+0x10d/0x120 [<f83ff497>] ath6kl_cfg80211_connect_event+0x427/0x4f0 [ath6kl] [<c035d26a>] ? put_dec+0x2a/0xa0 [<c035d645>] ? number+0x365/0x380 [<c0154675>] ? mod_timer+0x135/0x260 [<c035e00e>] ? format_decode+0x2fe/0x370 [<c01263c8>] ? default_spin_lock_flags+0x8/0x10 [<c05fd91f>] ? _raw_spin_lock_irqsave+0x2f/0x50 [<c0146032>] ? console_unlock+0x172/0x1c0 [<f8402659>] ath6kl_connect_event+0x89/0x400 [ath6kl] [<f840826e>] ath6kl_wmi_control_rx+0x98e/0x1d60 [ath6kl] [<c01335b5>] ? __wake_up+0x45/0x60 [<f84053aa>] ath6kl_rx+0x56a/0x770 [ath6kl] [<c04d0242>] ? mmc_release_host+0x22/0x40 [<c04d9329>] ? sdio_release_host+0x19/0x30 [<f840a27a>] ? ath6kl_sdio_read_write_sync+0x7a/0xc0 [ath6kl] [<f83f82b1>] do_rx_completion+0x41/0x50 [ath6kl] [<f83faa6a>] htc_rxmsg_pending_handler+0x6ba/0xbd0 [ath6kl] [<f8404bb0>] ? ath6kl_tx_data_cleanup+0x30/0x30 [ath6kl] [<f840a1c0>] ? ath6kl_sdio_irq_handler+0x30/0x70 [ath6kl] [<f83f7cd5>] ath6kldev_intr_bh_handler+0x2a5/0x630 [ath6kl] [<f840a1c0>] ath6kl_sdio_irq_handler+0x30/0x70 [ath6kl] [<c04d97c7>] sdio_irq_thread+0xc7/0x2d0 [<c013aeb0>] ? default_wake_function+0x10/0x20 [<c012fc98>] ? __wake_up_common+0x48/0x70 [<c04d9700>] ? sdio_claim_irq+0x200/0x200 [<c0163854>] kthread+0x74/0x80 [<c01637e0>] ? kthread_worker_fn+0x160/0x160 [<c0604c06>] kernel_thread_helper+0x6/0x10 Signed-off-by: Raja Mani <rmani@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
| * ath6kl: Cleanup void * in ath6kl_cfg80211_scan_node()Vasanthakumar Thiagarajan2011-08-09
| | | | | | | | | | Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
| * ath6kl: Use ath6kl_cfg80211_scan_node() directly instead of function pointerVasanthakumar Thiagarajan2011-08-09
| | | | | | | | | | Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
| * ath6kl: Remove ath6kl_wmi_iterate_nodes()Vasanthakumar Thiagarajan2011-08-09
| | | | | | | | | | | | | | Use wlan_iterate_nodes() directly. Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
| * ath6kl: Pass only the needed scan_table to ath6kl_wmi_iterate_nodes()Vasanthakumar Thiagarajan2011-08-09
| | | | | | | | | | Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
| * ath6kl: Move initialization/deinitialization of scan_table to appropriate ↵Vasanthakumar Thiagarajan2011-08-09
| | | | | | | | | | | | | | | | | | | | functions By having scan_table in struct ath6kl, it makes sense to move initialization to ath6kl_init() and deinitialization to ath6kl_destroy(). Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
| * ath6kl: Cleanup parameters of wlan_node_table_init()Vasanthakumar Thiagarajan2011-08-09
| | | | | | | | | | Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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