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| author | Felix Fietkau <nbd@nbd.name> | 2016-11-04 10:32:05 +0100 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2016-11-04 10:32:05 +0100 |
| commit | cae688544d139bd035d7bfadf2034ab02f85c749 (patch) | |
| tree | 3979bc54aa25a7fcf1b523b9be06439df6a12f71 /package/kernel/mac80211 | |
| parent | db82db32030175f0a3dbed32a7432036efc6896d (diff) | |
| download | mtk-20170518-cae688544d139bd035d7bfadf2034ab02f85c749.zip mtk-20170518-cae688544d139bd035d7bfadf2034ab02f85c749.tar.gz mtk-20170518-cae688544d139bd035d7bfadf2034ab02f85c749.tar.bz2 | |
mac80211: fix A-MSDU tx aggregation (FS#174)
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'package/kernel/mac80211')
| -rw-r--r-- | package/kernel/mac80211/patches/324-mac80211-fix-A-MSDU-aggregation-with-fast-xmit-txq.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/324-mac80211-fix-A-MSDU-aggregation-with-fast-xmit-txq.patch b/package/kernel/mac80211/patches/324-mac80211-fix-A-MSDU-aggregation-with-fast-xmit-txq.patch new file mode 100644 index 0000000..579f112 --- /dev/null +++ b/package/kernel/mac80211/patches/324-mac80211-fix-A-MSDU-aggregation-with-fast-xmit-txq.patch @@ -0,0 +1,34 @@ +From: Felix Fietkau <nbd@nbd.name> +Date: Fri, 4 Nov 2016 10:18:51 +0100 +Subject: [PATCH] mac80211: fix A-MSDU aggregation with fast-xmit + txq + +A-MSDU aggregation alters the QoS header after a frame has been +enqueued, so it needs to be ready before enqueue and not overwritten +again afterwards + +Fixes: bb42f2d13ffc ("mac80211: Move reorder-sensitive TX handlers to after TXQ dequeue") +Signed-off-by: Felix Fietkau <nbd@nbd.name> +--- + +--- a/net/mac80211/tx.c ++++ b/net/mac80211/tx.c +@@ -3245,7 +3245,6 @@ static void ieee80211_xmit_fast_finish(s + + if (hdr->frame_control & cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) { + tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK; +- *ieee80211_get_qos_ctl(hdr) = tid; + hdr->seq_ctrl = ieee80211_tx_next_seq(sta, tid); + } else { + info->flags |= IEEE80211_TX_CTL_ASSIGN_SEQ; +@@ -3370,6 +3369,11 @@ static bool ieee80211_xmit_fast(struct i + (tid_tx ? IEEE80211_TX_CTL_AMPDU : 0); + info->control.flags = IEEE80211_TX_CTRL_FAST_XMIT; + ++ if (hdr->frame_control & cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) { ++ tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK; ++ *ieee80211_get_qos_ctl(hdr) = tid; ++ } ++ + __skb_queue_head_init(&tx.skbs); + + tx.flags = IEEE80211_TX_UNICAST; |