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  1. 23 11月, 2010 3 次提交
    • F
      ath9k_hw: fix A-MPDU key search issues on AR9003 · 02d2ebb2
      由 Felix Fietkau 提交于 
      Under load, a large number of frames can produce decryption errors, even when
no key cache update is being done. Performing a key search for every single
frame in an A-MPDU improves reliability.
Signed-off-by: NFelix Fietkau <nbd@openwrt.org>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
      02d2ebb2
    • J
      ath9k: Use static const · 07b2fa5a
      由 Joe Perches 提交于 
      Using static const generally increases object text and decreases data size.
It also generally decreases overall object size.

   text	   data	    bss	    dec	    hex	filename
  11161	     56	   2136	  13353	   3429	drivers/net/wireless/ath/ath9k/ar9003_paprd.o.new
  11167	     56	   2136	  13359	   342f	drivers/net/wireless/ath/ath9k/ar9003_paprd.o.old
  15428	     56	   3056	  18540	   486c	drivers/net/wireless/ath/ath9k/eeprom_4k.o.old
  15451	     56	   3056	  18563	   4883	drivers/net/wireless/ath/ath9k/eeprom_4k.o.new
  14087	     56	   2560	  16703	   413f	drivers/net/wireless/ath/ath9k/eeprom_9287.o.old
  14036	     56	   2560	  16652	   410c	drivers/net/wireless/ath/ath9k/eeprom_9287.o.new
  10041	     56	   2384	  12481	   30c1	drivers/net/wireless/ath/ath9k/ani.o.new
  10088	     56	   2384	  12528	   30f0	drivers/net/wireless/ath/ath9k/ani.o.old
   9316	   1580	   2304	  13200	   3390	drivers/net/wireless/ath/ath9k/htc_drv_init.o.new
   9316	   1580	   2304	  13200	   3390	drivers/net/wireless/ath/ath9k/htc_drv_init.o.old
  16483	     56	   3432	  19971	   4e03	drivers/net/wireless/ath/ath9k/ar9003_phy.o.new
  16517	     56	   3432	  20005	   4e25	drivers/net/wireless/ath/ath9k/ar9003_phy.o.old
  18221	    104	   2960	  21285	   5325	drivers/net/wireless/ath/ath9k/rc.o.old
  18203	    104	   2960	  21267	   5313	drivers/net/wireless/ath/ath9k/rc.o.new
  19985	     56	   4288	  24329	   5f09	drivers/net/wireless/ath/ath9k/eeprom_def.o.new
  20040	     56	   4288	  24384	   5f40	drivers/net/wireless/ath/ath9k/eeprom_def.o.old
  23997	     56	   4984	  29037	   716d	drivers/net/wireless/ath/ath9k/ar5008_phy.o.old
  23846	     56	   4984	  28886	   70d6	drivers/net/wireless/ath/ath9k/ar5008_phy.o.new
  24285	     56	   3184	  27525	   6b85	drivers/net/wireless/ath/ath9k/ar9003_eeprom.o.old
  24101	     56	   3184	  27341	   6acd	drivers/net/wireless/ath/ath9k/ar9003_eeprom.o.new
   6834	     56	   1032	   7922	   1ef2	drivers/net/wireless/ath/ath9k/ar9002_phy.o.old
   6780	     56	   1032	   7868	   1ebc	drivers/net/wireless/ath/ath9k/ar9002_phy.o.new
  36211	     64	   8624	  44899	   af63	drivers/net/wireless/ath/ath9k/hw.o.new
  36401	     64	   8624	  45089	   b021	drivers/net/wireless/ath/ath9k/hw.o.old
   9281	     56	   1496	  10833	   2a51	drivers/net/wireless/ath/ath9k/ar9003_calib.o.old
   9150	     56	   1496	  10702	   29ce	drivers/net/wireless/ath/ath9k/ar9003_calib.o.new

Use ARRAY_SIZE instead of a magic number.
Signed-off-by: NJoe Perches <joe@perches.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
      07b2fa5a
    • F
      ath9k: fix recursive locking in the tx flush path · e1566d1f
      由 Felix Fietkau 提交于 
      Signed-off-by: NFelix Fietkau <nbd@openwrt.org>
Tested-by: NBen Greear <greearb@candelatech.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
      e1566d1f
  3. 19 11月, 2010 2 次提交
  5. 18 11月, 2010 16 次提交
  7. 17 11月, 2010 17 次提交
  9. 16 11月, 2010 2 次提交
    • A
      bitops: Provide generic sign_extend32 function · 7919a57b
      由 Andreas Herrmann 提交于 
      This patch moves code out from wireless drivers where two different
functions are defined in three code locations for the same purpose and
provides a common function to sign extend a 32-bit value.
Signed-off-by: NAndreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
      7919a57b
    • F
      ath9k: rework tx queue selection and fix queue stopping/waking · 066dae93
      由 Felix Fietkau 提交于 
      The current ath9k tx queue handling code showed a few issues that could
lead to locking issues, tx stalls due to stopped queues, and maybe even
DMA issues.

The main source of these issues is that in some places the queue is
selected via skb queue mapping in places where this mapping may no
longer be valid. One such place is when data frames are transmitted via
the CAB queue (for powersave buffered frames). This is made even worse
by a lookup WMM AC values from the assigned tx queue (which is
undefined for the CAB queue).

This messed up the pending frame counting, which in turn caused issues
with queues getting stopped, but not woken again.

To fix these issues, this patch removes an unnecessary abstraction
separating a driver internal queue number from the skb queue number
(not to be confused with the hardware queue number).

It seems that this abstraction may have been necessary because of tx
queue preinitialization from the initvals. This patch avoids breakage
here by pushing the software <-> hardware queue mapping to the function
that assigns the tx queues and redefining the WMM AC definitions to
match the numbers used by mac80211 (also affects ath9k_htc).

To ensure consistency wrt. pending frame count tracking, these counters
are moved to the ath_txq struct, updated with the txq lock held, but
only where the tx queue selected by the skb queue map actually matches
the tx queue used by the driver for the frame.
Signed-off-by: NFelix Fietkau <nbd@openwrt.org>
Reported-by: NBjörn Smedman <bjorn.smedman@venatech.se>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
      066dae93