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2010-04-16iwlwifi: remove scan_bands logicJohannes Berg
Since mac80211 will now never request scanning multiple bands, we can remove all the associated logic and scan a single band only in each scan. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
2010-04-16iwlwifi: set correct single/dual stream maskWey-Yi Guy
Even the initial single/dual stream values will be overridden later when issue link quality command; but still make sense not to use hard-code value during initialization. Single/Dual stream mask are used to indicate the best antenna for SISO/MIMO; different NIC has different tx antenna configuration; so the parameter need to based on the valid tx antenna. 1x2 device: single tx antenna available, only SISO is valid configuration, but still need to set up MIMO configuration, so set it up with antenna A & B as default. 2x2 device: two tx antenna available, dual_stream will use both valid antenna. 3x3 device: three tx antenna available, skip the first antenna and choice the second and third antenna for dual_stream. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
2010-04-16Merge branch 'wireless-2.6' into wireless-next-2.6Reinette Chatre
Conflicts: drivers/net/wireless/iwlwifi/iwl-6000.c
2010-04-16iwlwifi: correct 6000 EEPROM regulatory addressShanyu Zhao
For 6000 series, the 2.4G HT40 band regulatory settings address in EEPROM was off by 2. Before the fix, you'll see this in dmesg: [79535.788877] ieee80211 phy8: U iwl_mod_ht40_chan_info HT40 Ch. 7 [2.4GHz] WIDE (0x61 0dBm): Ad-Hoc not supported [79535.788880] ieee80211 phy8: U iwl_mod_ht40_chan_info HT40 Ch. 11 [2.4GHz] WIDE (0x61 0dBm): Ad-Hoc not supported And after the fix: [91132.688706] ieee80211 phy14: U iwl_mod_ht40_chan_info HT40 Ch. 7 [2.4GHz] IBSS ACTIVE WIDE (0x6f 0dBm): Ad-Hoc supported [91132.688709] ieee80211 phy14: U iwl_mod_ht40_chan_info HT40 Ch. 11 [2.4GHz] IBSS ACTIVE WIDE (0x6f 0dBm): Ad-Hoc supported Signed-off-by: Shanyu Zhao <shanyu.zhao@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
2010-04-16iwlwifi: fix scan racesJohannes Berg
When an internal scan is started, nothing protects the is_internal_short_scan variable which can cause crashes, cf. https://bugzilla.kernel.org/show_bug.cgi?id=15667. Fix this by making the short scan request use the mutex for locking, which requires making the request go to a work struct so that it can sleep. Reported-by: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
2010-04-16iwlwifi: initialize iwl_wimax_coex_cmd.flagsStanislaw Gruszka
iwl_wimax_coex_cmd.flags can be really uninitialized, so fix that. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16iwlwifi: check scan request ie_lenStanislaw Gruszka
In mac80211 we always check both scan_req->ie and scan_req->ie_len against zero before usage, in iwlwifi we should do the same. Remove not needed "left -= ie_len" while at it. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16wl1251: add support for dedicated IRQ lineGrazvydas Ignotas
wl1251 has WLAN_IRQ pin for generating interrupts to host processor, which is mandatory in SPI mode and optional in SDIO mode (which can use SDIO interrupts instead). However TI recommends using deditated IRQ line for SDIO too. Add support for using dedicated interrupt line with SDIO, but also leave ability to switch to SDIO interrupts in case it's needed. Signed-off-by: Grazvydas Ignotas <notasas@gmail.com> Reviewed-by: Bob Copeland <me@bobcopeland.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_htc: Fix sparse endian warningsSujith
This patch fixes a bunch of endian issues that were exposed by sparse. It's a miracle that the driver worked at all till now. The Lord be praised. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_htc: Handle WMI timeouts properlySujith
If a WMI command has timed out for some reason, a late WMI response would end up updating the response region of a new WMI request that has been issued in the meantime. Fix this race condition by dropping a WMI response if a new WMI command has been issued. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_htc: Add dropped SKB count to debugfsSujith
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_htc: Remove GPIO set on unloadSujith
There is no point in trying to set the LED pin when the module is being unloaded. The target would be reset anyway. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_hw: Use buffered register writesSujith
This patch adds macros at certain places which could be optimized for multiple register writes. The performance of ath9k_htc improves considerably, especially reducing the latency involved in a scan run. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_hw: Relocate Opmode initializationSujith
Programming the opmode in the HW can be done before the assoc_id and STA_ID registers are setup. This helps ath9k_htc when multiple register writes are used. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_hw: Add macros for multiple register writesSujith
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_htc: Implement multiple register write supportSujith
This patch adds support for writing multiple registers in a single USB command. Specific calls from the HW code that performs multiple register writes would be modified to make use of this in subsequent patches. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath: Add buffered register write operationsSujith
This is required to implement delayed/buffered register writes in ath9k_htc. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_htc: Cleanup beacon configurationSujith
This patch cleans up beacon configuration, removing a redundant interface type check and updating beacon interval in the correct place. Signed-off-by: Sujith <Sujith.Manoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16iwmc3200wifi: check sparse endianness annotationsSamuel Ortiz
Add -D__CHECK_ENDIAN__ to driver ccflags so that sparse will always check endianness by default. Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16iwmc3200wifi: Fix sparse warningsSamuel Ortiz
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath5k/ath9k: Fix 64 bits TSF readsBenoit Papillault
According to tests, both TSF lower and upper registers kept counting, so the higher part could have been updated after the lower part has been read, as shown in the following log where the upper part is read first and the lower part next. tsf = {00000003-fffffffd} tsf = {00000003-00000001} tsf = {00000004-0000000b} This patch corrects this by checking that the upper part has not been changed while the lower part was read. It has been tested in an IBSS network where artifical IBSS merges have been done in order to trigger hundreds of rollover for the TSF lower part. It follows the logic mentionned by Derek, with only 2 register reads needed at each additional steps instead of 3 (the minimum number of register reads is still 3). Signed-off-by: Benoit Papillault <benoit.papillault@free.fr> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_hw: add the PCI ID for the first AR9300 deviceLuis R. Rodriguez
The first AR9003 hardware family device supported is the AR9300, which has the vendor:device id 168c:0030 Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_hw: Abort rx if hw is not coming out of full sleep in resetVasanthakumar Thiagarajan
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k: Enable TXOK and TXERR interrupts for TX EDMAVasanthakumar Thiagarajan
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k: add LDPC supportLuis R. Rodriguez
LDPC is enabled by the rate control if the its determined that the target peer supports LDPC. We would have already intersected the HT capabilities so if our peer supports LDPC so do we. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_hw: add LDPC support for AR9003Luis R. Rodriguez
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16mac80211: add LDPC control flagLuis R. Rodriguez
LDPC will be enabled through the rate control algorithm for each buffer the the tx_info flags. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k: Add Tx EDMA supportVasanthakumar Thiagarajan
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_hw: Compute pointer checksum over the link descriptorVasanthakumar Thiagarajan
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k: Initialize and configure tx status for EDMAVasanthakumar Thiagarajan
Also add a function to clean up tx status ring. Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k: Setup appropriate tx desc for regular dma and edmaVasanthakumar Thiagarajan
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_hw: set cwmin and cwmax to 0 for for AR9003 upon txq resetLuis R. Rodriguez
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_hw: enable CRC check of descriptors for AR9003Luis R. Rodriguez
Enable CRC check on the descriptor fetched from host on AR9003 upon reseting the TX queue. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k: add RXLP and RXHP to debugfs countersLuis R. Rodriguez
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_hw: Fill descriptor abstrations for AR9003Vasanthakumar Thiagarajan
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_hw: move AR9002 mac ops to its own fileLuis R. Rodriguez
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_hw: Add function to configure tx status ring bufferVasanthakumar Thiagarajan
Also reset tx status ring suring chip reset. Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_hw: Define abstraction for tx desc accessVasanthakumar Thiagarajan
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k: Load SW filtered NF values and start NF cal during full reset for AR9003Vasanthakumar Thiagarajan
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_hw: skip WEP aggregation enable code for AR9003Luis R. Rodriguez
The AR9002 hardware code enables aggregation for WEP but mac80211 doesn't enable aggregation with WEP, and the AR9003 code family does not need this so skip it for now for AR9003 but leave the code and annotate we should eventually consider how to remove this in consideration for the HAL unification goals. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_hw: skip asynch fifo enablement to AR9003Luis R. Rodriguez
The asynch fifo code is specific to >= AR9287 so stuff it into the AR9002 hardware family code and skip it for AR9003 cards. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_hw: Update ath9k_hw_set_dma for AR9300Felix Fietkau
Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_hw: add TX/RX gain register initialization for AR9003Luis R. Rodriguez
This is done depending on what the EEPROM settings indicates. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_hw: add the AR9300 SREV hw name printLuis R. Rodriguez
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_hw: Configure Tx interrupt mitigation timerVasanthakumar Thiagarajan
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_hw: move the RF claim stuff to AR9002 hardware familyLuis R. Rodriguez
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_hw: move AR9280 PCI EEPROM fix to eeprom_def.cFelix Fietkau
Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_hw: Fill get_isr() for AR9003Vasanthakumar Thiagarajan
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_hw: add OFDM spur mitigation for AR9003Luis R. Rodriguez
We add this now as OFDM spur mitigation required accessing the EEPROM for the AR9003 devices. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-16ath9k_hw: Implement AR9003 eeprom callbacksSenthil Balasubramanian
Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com> Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>