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-rw-r--r--package/kernel/mac80211/patches/324-ath9k_hw-fix-hardware-queue-allocation.patch31
1 files changed, 31 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/324-ath9k_hw-fix-hardware-queue-allocation.patch b/package/kernel/mac80211/patches/324-ath9k_hw-fix-hardware-queue-allocation.patch
new file mode 100644
index 0000000000..8eba1f2720
--- /dev/null
+++ b/package/kernel/mac80211/patches/324-ath9k_hw-fix-hardware-queue-allocation.patch
@@ -0,0 +1,31 @@
+From: Felix Fietkau <nbd@openwrt.org>
+Date: Sun, 30 Nov 2014 20:30:46 +0100
+Subject: [PATCH] ath9k_hw: fix hardware queue allocation
+
+The driver passes the desired hardware queue index for a WMM data queue
+in qinfo->tqi_subtype. This was ignored in ath9k_hw_setuptxqueue, which
+instead relied on the order in which the function is called.
+
+Cc: stable@vger.kernel.org
+Reported-by: Hubert Feurstein <h.feurstein@gmail.com>
+Signed-off-by: Felix Fietkau <nbd@openwrt.org>
+---
+
+--- a/drivers/net/wireless/ath/ath9k/mac.c
++++ b/drivers/net/wireless/ath/ath9k/mac.c
+@@ -311,14 +311,7 @@ int ath9k_hw_setuptxqueue(struct ath_hw
+ q = ATH9K_NUM_TX_QUEUES - 3;
+ break;
+ case ATH9K_TX_QUEUE_DATA:
+- for (q = 0; q < ATH9K_NUM_TX_QUEUES; q++)
+- if (ah->txq[q].tqi_type ==
+- ATH9K_TX_QUEUE_INACTIVE)
+- break;
+- if (q == ATH9K_NUM_TX_QUEUES) {
+- ath_err(common, "No available TX queue\n");
+- return -1;
+- }
++ q = qinfo->tqi_subtype;
+ break;
+ default:
+ ath_err(common, "Invalid TX queue type: %u\n", type);