package/kernel/mac80211/patches/324-ath9k_hw-fix-hardware-queue-allocation.patch

   1 From: Felix Fietkau <nbd@openwrt.org>
   2 Date: Sun, 30 Nov 2014 20:30:46 +0100
   3 Subject: [PATCH] ath9k_hw: fix hardware queue allocation
   4
   5 The driver passes the desired hardware queue index for a WMM data queue
   6 in qinfo->tqi_subtype. This was ignored in ath9k_hw_setuptxqueue, which
   7 instead relied on the order in which the function is called.
   8
   9 Cc: stable@vger.kernel.org
  10 Reported-by: Hubert Feurstein <h.feurstein@gmail.com>
  11 Signed-off-by: Felix Fietkau <nbd@openwrt.org>
  12 ---
  13
  14 --- a/drivers/net/wireless/ath/ath9k/mac.c
  15 +++ b/drivers/net/wireless/ath/ath9k/mac.c
  16 @@ -311,14 +311,7 @@ int ath9k_hw_setuptxqueue(struct ath_hw
  17                 q = ATH9K_NUM_TX_QUEUES - 3;
  18                 break;
  19         case ATH9K_TX_QUEUE_DATA:
  20 -               for (q = 0; q < ATH9K_NUM_TX_QUEUES; q++)
  21 -                       if (ah->txq[q].tqi_type ==
  22 -                           ATH9K_TX_QUEUE_INACTIVE)
  23 -                               break;
  24 -               if (q == ATH9K_NUM_TX_QUEUES) {
  25 -                       ath_err(common, "No available TX queue\n");
  26 -                       return -1;
  27 -               }
  28 +               q = qinfo->tqi_subtype;
  29                 break;
  30         default:
  31                 ath_err(common, "Invalid TX queue type: %u\n", type);