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* iwlwifi: do not clear data after chain noise calibShanyu Zhao2010-06-06
| | | | | | | | | | Chain noise calibration data are cleared after the calibration is done in iwlagn_gain_computation() and iwl4965_gain_computation(). This cause the debugfs entries for those data useless. To provide valid debugging info, clear those data right before starting the calibration instead. Signed-off-by: Shanyu Zhao <shanyu.zhao@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
* iwlwifi: remove debug frame dumpingJohannes Berg2010-06-06
| | | | | | | | | | This can now be much better achieved using tracing and post-processing of the trace, rather than doing the processing in place in the driver, so remove a lot of code. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
* iwlwifi: use virtual interface address for scanJohannes Berg2010-06-06
| | | | | | | | | | For probe request frames sent during scan, we should use the virtual interface's mac address that the scan was initiated on to avoid issues when the wrong address is used. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
* iwlwifi: set MAC address in RXON from interfaceJohannes Berg2010-06-06
| | | | | | | | | | | When we do not have an interface, priv->mac_addr is all zeroes, so the memcpy() is not useful as the RXON buffer has been cleared previously. Therefore, use the interface's address that we are setting up the RXON for, if available. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
* iwlwifi: remove mac_addr assignmentJohannes Berg2010-06-06
| | | | | | | | | | | | priv->mac_addr is the address of the operating interface, not the permanent MAC address. They are usually the same, but the user can override the operating address, so we shouldn't set the variable to the permanent one, it is assigned when an interface is added. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
* iwlwifi: remove unused wlap_bssid_addr assignmentJohannes Berg2010-06-06
| | | | | | | | | | There's no microcode that actually uses this variable, and it is reserved for functionality that the driver doesn't support anyway, so we shouldn't be setting it. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
* iwlwifi: remove useless node_addr assignmentsJohannes Berg2010-06-06
| | | | | | | | | iwl_connection_init_rx_config() will already have set up the entire RXON command, so these assignments are duplicate. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
* ssb: remove the ssb DMA APIFUJITA Tomonori2010-06-04
| | | | | | | | | | | | | | Now they are unnecessary. We can use the generic DMA API with any bus. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Michael Buesch <mb@bu3sch.de> Cc: Gary Zambrano <zambrano@broadcom.com> Cc: Stefano Brivio <stefano.brivio@polimi.it> Cc: Larry Finger <Larry.Finger@lwfinger.net> Cc: John W. Linville <linville@tuxdriver.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* b44: replace the ssb_dma API with the generic DMA APIFUJITA Tomonori2010-06-04
| | | | | | | | | | | | | Note that dma_sync_single_for_device and dma_sync_single_for_cpu support a partial sync. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Gary Zambrano <zambrano@broadcom.com> Acked-by: Michael Buesch <mb@bu3sch.de> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* b43: replace the ssb_dma API with the generic DMA APIFUJITA Tomonori2010-06-04
| | | | | | | | | | | Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Stefano Brivio <stefano.brivio@polimi.it> Cc: John W. Linville <linville@tuxdriver.com> Acked-by: Michael Buesch <mb@bu3sch.de> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* b43legacy: replace the ssb_dma API with the generic DMA APIFUJITA Tomonori2010-06-04
| | | | | | | | | | | Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Larry Finger <Larry.Finger@lwfinger.net> Cc: Stefano Brivio <stefano.brivio@polimi.it> Cc: John W. Linville <linville@tuxdriver.com> Acked-by: Michael Buesch <mb@bu3sch.de> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ssb: add dma_dev to ssb_device structureFUJITA Tomonori2010-06-04
| | | | | | | | | | | | | | | | | | | Add dma_dev, a pointer to struct device, to struct ssb_device. We pass it to the generic DMA API with SSB_BUSTYPE_PCI and SSB_BUSTYPE_SSB. ssb_devices_register() sets up it properly. This is preparation for replacing the ssb bus specific DMA API (ssb_dma_*) with the generic DMA API. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by: Michael Buesch <mb@bu3sch.de> Cc: Gary Zambrano <zambrano@broadcom.com> Cc: Stefano Brivio <stefano.brivio@polimi.it> Cc: Larry Finger <Larry.Finger@lwfinger.net> Cc: John W. Linville <linville@tuxdriver.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* iwlwifi: use the DMA state API instead of the pci equivalentsFUJITA Tomonori2010-06-04
| | | | | | | | | | | | | | | | | | | | | This can be cleanly applied to wireless-2.6 and iwlwifi git trees. = From: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Subject: [PATCH] iwlwifi: use the DMA state API instead of the pci equivalents This replace the PCI DMA state API (include/linux/pci-dma.h) with the DMA equivalents since the PCI DMA state API will be obsolete. No functional change. For further information about the background: http://marc.info/?l=linux-netdev&m=127037540020276&w=2 Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Fix bug in rate tableVasanthakumar Thiagarajan2010-06-04
| | | | | | | | | | | | | | | | | | | | | | The following commit added an entry in 11na and 11ng rate table but missed to update its rate count field. This inconsistency between the rate count and the actual number of rates in the table will leave out the final rate entry (mcs15 with half gi in ht40) while forming the valid rate indices. Not having mcs15+shortGI in ht40 will have a performance impact (on max throughput) of about 10% both in nght40 and naht40 mode. Author: Vasanthakumar Thiagarajan <vasanth@atheros.com> Date: Thu May 13 18:42:38 2010 -0700 ath9k: Enable Short GI in 20 Mhz for ar9287 and later chips This patch enables short GI rx at all rates and tx at mcs15 for 20 Mhz channel width also. Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_htc: Configure credit size for AR7010Sujith2010-06-04
| | | | | | | | For non-AR9271 chips, the credit size is different and has to be configured appropriately. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_htc: Setup 5GHz channelsSujith2010-06-04
| | | | | | | | AR7010 is dual-band. Setup the channels and rateset for 5GHz band. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_htc: Configure dual stream ratesSujith2010-06-04
| | | | | | | | The rate information on the target has to be updated for 2-stream devices, along with the correct chainmask. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_htc: Setup HT capabilites for 2-stream devicesSujith2010-06-04
| | | | | | | | The supported MCS rate set has to be setup properly for 2-stream devices. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_common: Move count_streams to common moduleSujith2010-06-04
| | | | | | | This can be used by ath9k_htc. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_htc: Add support for AR7010Sujith2010-06-04
| | | | | | | | Add the USB device IDs for AR7010 and handle firmware loading properly. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_hw: Configure byte swap for non AR9271 chipsSujith2010-06-04
| | | | | | | | | This patch fixes programming the byte swap registers for chipsets other than AR9271. This is needed for AR7010. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Determine Firmware on probeSujith2010-06-04
| | | | | | | | | Do not assign the FW name to driver_info but determine it dynamically on device probe. This facilitates adding new firmware. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* p54spi: replace internal "cx3110x" name with "p54spi"Luke-Jr2010-06-04
| | | | | | | | | | | | While the comment removed in this patch claims board_n800.c uses "cx3110x", it was never merged to mainline like this. Mainlined board files for Nokia N8x0 devices are expected "p54spi", and thus don't work because the modalias is "cx3110x". To my knowledge, these devices are the only real-world use of p54spi, and will not work without this change. Tested against my Nokia N810. Signed-off-by: Luke Dashjr <luke-jr+git@utopios.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_htc: Use proper station add/remove callbacksSujith2010-06-04
| | | | | | | | sta_add/sta_remove are the callbacks that can sleep. Use them instead of sta_notify. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ssb: Handle alternate SSPROM locationLarry Finger2010-06-04
| | | | | | | | | | | | | | | | In kernel Bugzilla #15825 (2 users), in a wireless mailing list thread (http://lists.infradead.org/pipermail/b43-dev/2010-May/000124.html), and on a netbook owned by John Linville (http://marc.info/?l=linux-wireless&m=127230751408818&w=4), there are reports of ssb failing to detect an SPROM at the normal location. After studying the MMIO trace dump for the Broadcom wl driver, it was determined that the affected boxes had a relocated SPROM. This patch fixes all systems that have reported this problem. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Stable <stable@kernel.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: fix dma sync in rx pathMing Lei2010-06-04
| | | | | | | | | | | | | | | If buffer is to be accessed by cpu after dma is over, but between dma mapping and dma unmapping, we should use dma_sync_single_for_cpu to sync the buffer between cpu with device. And dma_sync_single_for_device is used to let device gain the buffer again. v2: Felix pointed out dma_sync_single_for_device is needed to return buffer to device if an unsuccessful status bit check is found. Signed-off-by: Ming Lei <tom.leiming@gmail.com> Acked-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: fix queue stop/start based on the number of pending framesFelix Fietkau2010-06-03
| | | | | | | | | | | | | | | | | Because there is a limited number of tx buffers available, once the queue has been filled to a certain point, ath9k needs to stop accepting new frames from mac80211. In order to prevent a full WMM queue from stopping another queue with fewer frames, this patch limits the number of queued frames to a quarter of the total available tx buffers, minus some reserved frames to be used for other purposes (e.g. beacons). Because tx buffers are reserved for frames when they're staged in software queues as well, the actual queue depth cannot be used for this, so this patch stores a reference to the tx queue in the ath_buf struct and keeps track of the total number of pending frames. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_htc: Fix fair beacon distributionSujith2010-06-03
| | | | | | | | This patch fixes beacon distribution in IBSS mode by configuring the hardware beacon queue properly. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_htc: Handle host RX disableSujith2010-06-03
| | | | | | | | | | The MIB counters used by ANI have to be disabled on the host because the FW doesn't do it on the target side. Also, flush the receive buffers before initializing RX on the target. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_htc: Handle monitor interface removalSujith2010-06-03
| | | | | | | | | The monitor interface instance on the target has to be removed before setting it to FULLSLEEP. Handle this properly. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_htc: Fix locking for ps_idleSujith2010-06-03
| | | | | | | | ps_idle is protected by the htc_pm_lock mutex. Use it to protect the variable. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_htc: Remove useless cancel_work_syncSujith2010-06-03
| | | | | | | | | There is no need to cancel the PS work when disassociation happens. The work handlers are cancelled in the stop() callback. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_htc: Fix bug in handling CONF_IDLESujith2010-06-03
| | | | | | | | | | | Disable the radio only when mac80211 indicates it, through the IEEE80211_CONF_CHANGE_IDLE flag. Not handling this properly will result in multiple calls to radio_disable() even though the radio is already idle. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_htc: Add PS wrappersSujith2010-06-03
| | | | | | | | | The HW has to be awake when registers are accessed. Ensure this is so by using the PS wrappers at appropriate places. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_htc: Revamp CONF_IDLE handlingSujith2010-06-03
| | | | | | | | | | | | | | | | | This patch revamps IDLE power save handling in the driver. Two separate functions (radio enable/disable) are introduced, because the semantics of radio handling is just not the same as the start()/stop() callbacks. For example, the HW must not be disabled, instead, the PHY has to be disabled in radio_disable(). Also, the HW has to be reset properly in radio enable/disable and certain registers have to be programmed only once, in the start() callback. The radio_enable() routine doesn't need the PS wrappers since we set the HW power mode to AWAKE anyway before calling it. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_hw: Fix async fifo for AR9287Sujith2010-06-03
| | | | | | | | | Async fifo is now enabled only for versions 1.3 and above. Enable it in the appropriate place, in the reset routine, instead of process_ini(). Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_hw: Update the PCI WAR registerSujith2010-06-03
| | | | | | | | | | | | This patch updates the PCI power save handling code, fixing ASPM hangs and handling device state D3 properly. The WAR register is programmed with the correct values now. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_hw: Cleanup TX power calculation for AR9287Sujith2010-06-03
| | | | | | | | | | | | | | * Add a few comments, and move the updation of max_power_level to a helper routine. This is also done by non-4K based chipsets, this will be fixed in a separate patch. * Remove two WARs which are required for old AR5416 chipsets, and are not needed for AR9287. * Fix indentation and make things readable. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_hw: Optimize ath9k_hw_ar9287_set_board_valuesSujith2010-06-03
| | | | | | | | | | | | | | | Rather than doing a series of RMWs, calculate the value to be written to the register in question and do a single REGWRITE. This improves bringup time. This depends on the analog_shiftreg configuration option, which is currently buggy. For AP mode, a delay of 100us has to be the default. For station mode, this knob has to be enabled on a per-case basis, though it is a little unclear on when to enable a delay. This can be fixed later though. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_hw: Cleanup eeprom_9287.cSujith2010-06-03
| | | | | | | | | | * Fix whitespace damage. * Remove unused debug messages. * Introduce a macro NUM_EEP_WORDS. * Convert AR9287 to lowercase in function names. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* drivers/net/wireless/ipw2x00/ipw2100.c: Remove unnecessary kmalloc castsJoe Perches2010-06-03
| | | | | Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: clean up ieee80211_stop_tx_ba_sessionJohannes Berg2010-06-03
| | | | | | | | | | | | | | There's no sense in letting anything but internal mac80211 functions set the initiator to anything but WLAN_BACK_INITIATOR, since WLAN_BACK_RECIPIENT is only valid when we have received a frame from the peer, which we react to directly in mac80211. The debugfs code I recently added got this wrong as well. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: remove tx status ampdu_ack_mapJohannes Berg2010-06-03
| | | | | | | | | | | There's a single use of this struct member, but as it is write-only it clearly not necessary. Thus we can free up some space here, even if we don't need it right now it seems pointless to carry around the variable. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: use the key handling code from ath9k_common instead of duplicating itFelix Fietkau2010-06-03
| | | | | Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_common: use allocated key cache entries for multi BSS crypto supportFelix Fietkau2010-06-03
| | | | | | | | | | | | This patch replaces the buggy 'ath9k: Group Key fix for VAPs' change. For AP mode group keys, use the BSSID as lookup mac address, with the multicast keysearch bit set. For IBSS mode, use the peer's MAC address with multicast keysearch. For STA mode, keep using the group key slots. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k_hw: add multicast key search supportFelix Fietkau2010-06-03
| | | | | | | | | | | If a MAC address for a key table entry is flagged with the multicast bit (0x01), indicate to the hardware that multicast lookup instead of unicast lookup should be used. The multicast bit itself never makes it to the actual keytable entry register, as it is shifted out. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ssb: fast powerup delay calculation for PMU capable devicesRafał Miłecki2010-06-03
| | | | | | Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Acked-by: Gábor Stefanik <netrolller.3d@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ssb: update PMU init to match specsRafał Miłecki2010-06-03
| | | | | Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* Revert "iwlwifi: move _agn statistics related structure"John W. Linville2010-06-03
| | | | | | | | | | | | | | | | | | | | | | | | This reverts commit a2064b7a4a22d118087898e4308670da7ac07911. when CONFIG_IWLAGN=n: drivers/net/wireless/iwlwifi/iwl-rx.c:254: error: 'struct iwl_priv' has no member named '_agn' drivers/net/wireless/iwlwifi/iwl-rx.c:303: error: 'struct iwl_priv' has no member named '_agn' drivers/net/wireless/iwlwifi/iwl-rx.c:304: error: 'struct iwl_priv' has no member named '_agn' drivers/net/wireless/iwlwifi/iwl-rx.c:305: error: 'struct iwl_priv' has no member named '_agn' drivers/net/wireless/iwlwifi/iwl-rx.c:306: error: 'struct iwl_priv' has no member named '_agn' and many more. Conflicts: drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c drivers/net/wireless/iwlwifi/iwl-debugfs.c drivers/net/wireless/iwlwifi/iwl-dev.h drivers/net/wireless/iwlwifi/iwl-rx.c Reported-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* rt2x00: Remove suspicious register writeHelmut Schaa2010-06-03
| | | | | | | | | Remove suspicious register write as the reg variable is never filled with an TX_SW_CFG2 associated value before. 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>
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