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* ath9k: fix tx queue scheduling after channel changesFelix Fietkau2013-10-071-12/+11
| | | | | | | | | Otherwise, if queues are full during a scan, tx scheduling does not resume after switching back to the home channel. Cc: stable@vger.kernel.org Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: fix powersave response handling for BA session packetsFelix Fietkau2013-09-301-3/+6
| | | | | | | | | | | | | | | | | When a packet is passed from mac80211 to the driver with the IEEE80211_TX_CTL_PS_RESPONSE flag set, it bypasses the normal driver internal queueing and goes directly to the UAPSD queue. When that happens, packets that are part of a BlockAck session still need to be tracked as such inside the driver, otherwise it will create discrepancies in the receiver BA reorder window, causing traffic stalls. This only happens in AP mode with powersave-enabled clients. This patch fixes the regression introduced in the commit "ath9k: use software queues for un-aggregated data packets" Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: add txq locking for ath_tx_aggr_startFelix Fietkau2013-09-261-0/+6
| | | | | | | | Prevents race conditions when un-aggregated frames are pending in the driver. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: don't use BAW tracking on PS responses for non-AMPDU packetsFelix Fietkau2013-09-261-2/+4
| | | | | | | | | When .release_buffered_frames was implemented, only A-MPDU packets were buffered internally. Now that this has changed, the BUF_AMPDU flag needs to be checked before calling ath_tx_addto_baw Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Fix regression in LNA diversitySujith Manoharan2013-09-261-7/+0
| | | | | | | | | | | | | The commit "ath9k: Optimize LNA check" tried to use the "rs_firstaggr" flag to optimize the LNA combining algorithm when processing subframes in an A-MPDU. This doesn't appear to work well in practice, so revert it and use the old method of relying on "rs_moreaggr". Cc: stable@vger.kernel.org # 3.11 Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: do not link bf_next across multiple A-MPDUsFelix Fietkau2013-09-261-1/+3
| | | | | | | | This might trip up tx completion processing, although the condition that triggers this should not (yet) occur in practice. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: fix stale flag handling on buffer cloneFelix Fietkau2013-09-261-0/+1
| | | | | | | | | | | Fixes a regression from commit "ath9k: shrink a few data structures by reordering fields" When cloning a buffer, the stale flag (part of bf_state now) needs to be reset after copying the state to prevent tx processing hangs. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* drivers/net: Convert uses of compare_ether_addr to ether_addr_equalJoe Perches2013-09-031-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use the new bool function ether_addr_equal to add some clarity and reduce the likelihood for misuse of compare_ether_addr for sorting. Done via cocci script: (and a little typing) $ cat compare_ether_addr.cocci @@ expression a,b; @@ - !compare_ether_addr(a, b) + ether_addr_equal(a, b) @@ expression a,b; @@ - compare_ether_addr(a, b) + !ether_addr_equal(a, b) @@ expression a,b; @@ - !ether_addr_equal(a, b) == 0 + ether_addr_equal(a, b) @@ expression a,b; @@ - !ether_addr_equal(a, b) != 0 + !ether_addr_equal(a, b) @@ expression a,b; @@ - ether_addr_equal(a, b) == 0 + !ether_addr_equal(a, b) @@ expression a,b; @@ - ether_addr_equal(a, b) != 0 + ether_addr_equal(a, b) @@ expression a,b; @@ - !!ether_addr_equal(a, b) + ether_addr_equal(a, b) Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ath9k: Enable D3/L1 ASPM fix for AR9462Sujith Manoharan2013-08-281-6/+5
| | | | | | | | | AR9462 requires this HW fix for ASPM to work properly. Also, since WARegVal is used only for the AR8003 family, use AR_SREV_9300_20_OR_LATER. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* ath9k: Remove unused ANI commandsSujith Manoharan2013-08-285-18/+4
| | | | | Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* Merge branch 'for-john' of ↵John W. Linville2013-08-282-5/+4
|\ | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
| * cfg80211: add flags to cfg80211_rx_mgmt()Vladimir Kondratiev2013-08-232-5/+4
| | | | | | | | | | | | | | | | | | | | Add flags intended to report various auxiliary information and introduce the NL80211_RXMGMT_FLAG_ANSWERED flag to report that the frame was already answered by the device. Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com> [REPLIED->ANSWERED, reword commit message] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | ath9k: ar9003_eeprom.c:3618 fix variable name typoJohn W. Linville2013-08-281-2/+2
| | | | | | | | | | | | | | | | | | | | drivers/net/wireless/ath/ath9k/ar9003_eeprom.c: In function 'ar9003_hw_ant_ctrl_apply': >> drivers/net/wireless/ath/ath9k/ar9003_eeprom.c:3618: warning: 'regval' is used uninitialized in this function It seems obvious that 'regval' should have been 'value'... Reported-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | Merge branch 'master' of ↵John W. Linville2013-08-284-4/+15
|\ \ | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless Conflicts: drivers/net/wireless/iwlwifi/pcie/trans.c net/mac80211/ibss.c
| * | ath9k: Enable PLL fix only for AR9340/AR9330Sujith Manoharan2013-08-221-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The PLL hang workaround is required only for AR9330 and AR9340. This issue was first observed on an AP121 and the WAR is enabled for AR9340 also (DB120 etc.), since it uses a PLL design identical to AR9330. This is not required for AR9485 and AR9550. Various bugs have been reported regarding this: https://bugzilla.redhat.com/show_bug.cgi?id=997217 https://bugzilla.redhat.com/show_bug.cgi?id=994648 Cc: stable@vger.kernel.org Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | ath9k_htc: Restore skb headroom when returning skb to mac80211Helmut Schaa2013-08-221-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ath9k_htc adds padding between the 802.11 header and the payload during TX by moving the header. When handing the frame back to mac80211 for TX status handling the header is not moved back into its original position. This can result in a too small skb headroom when entering ath9k_htc again (due to a soft retransmission for example) causing an skb_under_panic oops. Fix this by moving the 802.11 header back into its original position before returning the frame to mac80211 as other drivers like rt2x00 or ath5k do. Reported-by: Marc Kleine-Budde <mkl@blackshift.org> Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Tested-by: Marc Kleine-Budde <mkl@blackshift.org> Signed-off-by: Marc Kleine-Budde <mkl@blackshift.org> Cc: stable@vger.kernel.org Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * | Merge branch 'for-john' of ↵John W. Linville2013-08-222-2/+4
| |\ \ | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
| | * | mac80211: add a flag to indicate CCK support for HT clientsFelix Fietkau2013-08-212-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | brcm80211 cannot handle sending frames with CCK rates as part of an A-MPDU session. Other drivers may have issues too. Set the flag in all drivers that have been tested with CCK rates. This fixes a reported brcmsmac regression introduced in commit ef47a5e4f1aaf1d0e2e6875e34b2c9595897bef6 "mac80211/minstrel_ht: fix cck rate sampling" Cc: stable@vger.kernel.org # 3.10 Reported-by: Tom Gundersen <teg@jklm.no> Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | | | ath9k: Fix DEBUG_FS dependency for ath9kSujith Manoharan2013-08-261-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | Reported-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | ath9k: Fix TX poll work lockingSujith Manoharan2013-08-261-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There is no need to call ath_txq_unlock_complete() in the TX poll routine - frame completion is not done here, so use ath_txq_unlock(). Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | ath9k: Fix ASPM workaround usageSujith Manoharan2013-08-266-25/+64
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The PCIE Workaround register (AR_WA/0x4004) is used to handle various hardware quirks. For AR9002 chips, AR_WA_D3_L1_DISABLE is used to prevent the HW from automatically entering L1 state when D3 is enforced. AR_WA_D3_L1_DISABLE has to be enabled for a few AR9280 based cards, mark them based on their PCI subdevice/subvendor IDs and enforce it in ar9002_hw_configpcipowersave(). Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | ath5k: debugfs: NULL-terminate stringsDjalal Harouni2013-08-261-6/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Avoid processing garbage data by NULL terminating the strings. Signed-off-by: Djalal Harouni <tixxdz@opendz.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | ath9k: Fix ASPM for AR9462Sujith Manoharan2013-08-263-0/+31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If the L1 entrance latency is not calibrated properly in the EEPROM in WB222 boards, there could be problems in connectivity. Check and correct the calibrated value if it doesn't match the optimal value for WB222, 4us. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | ath9k: Add one more PCI ID for CUS198Sujith Manoharan2013-08-221-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a AR9485/WB225 based card. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | ath9k: Add antenna diversity tweak for CUS198Sujith Manoharan2013-08-224-0/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This improves RX diversity and performance for AR9485. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | ath9k: Add support for AR9485 1.2Sujith Manoharan2013-08-223-13/+13
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | Merge branch 'for-john' of ↵John W. Linville2013-08-162-3/+7
|\ \ \ \ | | |_|/ | |/| | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
| * | | cfg80211: add wdev to testmode cmdDavid Spinadel2013-08-122-3/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | To allow drivers to implement per-interface testmode operations more easily, pass a wdev pointer if any identification for one was given from userspace. Clean up the code a bit while at it. Signed-off-by: David Spinadel <david.spinadel@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | | | ath9k: enable CSA functionality in ath9kSimon Wunderlich2013-08-165-0/+43
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | CSA is only enabled for one interface, but the same limitation applies for mac80211 too. It checks whether the beacon has been sent (different approaches for non-EDMA-enabled and EDMA-enabled devices), and completes the channel switch after that. Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | ath5k: enable support for 5 MHz and 10 MHz channelsSimon Wunderlich2013-08-164-5/+25
| | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | ath5k: set 5/10 MHz supported channels and fix durationSimon Wunderlich2013-08-163-9/+42
| | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | ath5k: report 5/10 MHz channelsSimon Wunderlich2013-08-161-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | ath9k: announce that ath9k supports 5/10 MHzSimon Wunderlich2013-08-161-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | ath9k: set 5/10 MHz supported channels and fix bitrateSimon Wunderlich2013-08-162-8/+21
| | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | ath9k: report 5/10 MHz channelsSimon Wunderlich2013-08-161-0/+11
| | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | ath9k: use chandef instead of channel_typeSimon Wunderlich2013-08-166-40/+51
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | To enable support for 5/10 MHz, some internal functions must be converted from using the (old) channel_type to chandef. This is a good chance to change all remaining occurences. Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | ath9k: always use SIFS times from OFDM for 5/10 MHzSimon Wunderlich2013-08-161-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 5/10 MHz channels should always use SIFS times as defined in IEEE 802.11-2012 18.4.4 (OFDM PHY characteristics). This makes it compatible to ath5k, which does the same. Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | ath9k: Use lockless variant to initialize RX fifoSujith Manoharan2013-08-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since the rx_fifo queue is accessed only using the various lockless SKB queue routines, there is no need to initialize the lock and __skb_queue_head_init() can be used. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | ath9k: Optimize LNA checkSujith Manoharan2013-08-151-30/+47
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The documentation for antenna diversity says: "The decision of diversity is done at 802.11 preamble. So, for 11G/11B, for every MAC packet hardware will do a decision. But in 11N with aggregation, the decision is made only at the preamble and all other MPDUs will use the same LNA as the first MPDU." Make use of rs_firstaggr to avoid needlessly scanning for LNA changes. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | ath9k: Identify first subframe in an A-MPDUSujith Manoharan2013-08-153-2/+5
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | ath9k: Handle invalid RSSISujith Manoharan2013-08-151-16/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The combined RSSI can be invalid which is indicated by the value -128. Use RX_FLAG_NO_SIGNAL_VAL for such cases. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | ath9k: Remove unused function argumentSujith Manoharan2013-08-151-2/+1
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | ath9k: Fix error condition for corrupt descriptorsSujith Manoharan2013-08-151-10/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In case a descriptor has the "done" bit clear and the next descriptor has it set, we drop both of them. If the packet that is received after these two packets is dropped for some reason, "discard_next" will not cleared. Fix this. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | ath9k: Handle corrupt descriptors properlySujith Manoharan2013-08-151-2/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The MIC/PHYERR/CRC error bits are valid only for the last desc. for chained packets. Check this early in the preprocess() routine and bail out. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | ath9k: Move the RX poll check to preprocess()Sujith Manoharan2013-08-151-4/+4
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | ath9k: Fix RX beacon processingSujith Manoharan2013-08-151-26/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make sure that chained descriptors are handled correctly before the packet is parsed to determine if it is a beacon. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | ath9k: Fix RX packet counterSujith Manoharan2013-08-151-4/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Handle chained descriptors and increment the RX counter only for valid packets. Since this is used only by MCI, use CONFIG_ATH9K_BTCOEX_SUPPORT. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | ath9k: Fix RX debug statisticsSujith Manoharan2013-08-151-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The various error bits that ath_debug_stat_rx() checks are valid only for the last descriptor for a chained packet, handle this correctly. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | ath9k: Fix PHY error processingSujith Manoharan2013-08-151-11/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Parse the PHY error details only for the last fragment in case descriptors are chained. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | | | ath9k: Reorder some functionsSujith Manoharan2013-08-151-110/+110
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
generated by cgit v1.1 at 2025-08-15 06:08:03 +0000