From 73d9ad0c952ae6257f3ce01115f91c3485bb4778 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Wed, 12 Mar 2014 10:00:56 +0000 Subject: [PATCH] ath9k: merge an aggregation related fix Signed-off-by: Felix Fietkau SVN-Revision: 39886 --- .../mac80211/patches/300-pending_work.patch | 32 ++++++++++++++++++- 1 file changed, 31 insertions(+), 1 deletion(-) diff --git a/package/kernel/mac80211/patches/300-pending_work.patch b/package/kernel/mac80211/patches/300-pending_work.patch index 897f6c41935..1da7941d21d 100644 --- a/package/kernel/mac80211/patches/300-pending_work.patch +++ b/package/kernel/mac80211/patches/300-pending_work.patch @@ -1,3 +1,24 @@ +commit 584d297fd29fb39c76af25ae74ff9d5fe74c8a14 +Author: Helmut Schaa +Date: Wed Mar 12 10:37:55 2014 +0100 + + ath9k: Fix sequence number assignment for non-data frames + + Since commit 558ff225de80ac95b132d3a115ddadcd64498b4f (ath9k: fix + ps-poll responses under a-mpdu sessions) non-data frames would have + gotten a sequence number from a TIDs sequence counter instead of + using the global sequence counter. + + This can lead to instable connections. + + To fix this only select the correct TID if we are processing a + data frame. Furthermore, prevent non-data frames to get a sequence + number from a TID sequence counter by adding a check to + ath_tx_setup_buffer. + + Cc: Felix Fietkau + Signed-off-by: Helmut Schaa + commit 3a0f984b1cdcd6a9f8c441635ef3b05d58547f4e Author: Felix Fietkau Date: Tue Mar 11 14:03:32 2014 +0100 @@ -3370,11 +3391,20 @@ Date: Thu Jan 23 20:06:34 2014 +0100 ATH_CABQ_READY_TIME) / 100; ath_txq_update(sc, qnum, &qi); +@@ -2061,7 +2063,7 @@ static struct ath_buf *ath_tx_setup_buff + + ATH_TXBUF_RESET(bf); + +- if (tid) { ++ if (tid && ieee80211_is_data_present(hdr->frame_control)) { + fragno = le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG; + seqno = tid->seq_next; + hdr->seq_ctrl = cpu_to_le16(tid->seq_next << IEEE80211_SEQ_SEQ_SHIFT); @@ -2184,14 +2186,15 @@ int ath_tx_start(struct ieee80211_hw *hw txq->stopped = true; } -+ if (txctl->an) ++ if (txctl->an && ieee80211_is_data_present(hdr->frame_control)) + tid = ath_get_skb_tid(sc, txctl->an, skb); + if (info->flags & IEEE80211_TX_CTL_PS_RESPONSE) { -- 2.30.2