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| author | Felix Fietkau <nbd@openwrt.org> | 2015-09-24 15:02:07 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2015-09-24 15:02:07 +0000 |
| commit | 528d38b4e9e878f1a180a8eb2966d4fc53cc0883 (patch) | |
| tree | f75cdac06cef2c6dfe6a5a372c3ecb482a91106e | |
| parent | ff6ae7ce34fe2edc78be7d7d1997b25a700b5f80 (diff) | |
| download | upstream-528d38b4e9e878f1a180a8eb2966d4fc53cc0883.tar.gz upstream-528d38b4e9e878f1a180a8eb2966d4fc53cc0883.tar.bz2 upstream-528d38b4e9e878f1a180a8eb2966d4fc53cc0883.zip | |
mac80211: fix a few issues with fast-xmit support
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 47041
2 files changed, 68 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/334-mac80211-fix-tx-sequence-number-assignment-with-soft.patch b/package/kernel/mac80211/patches/334-mac80211-fix-tx-sequence-number-assignment-with-soft.patch new file mode 100644 index 0000000000..b19e7ee851 --- /dev/null +++ b/package/kernel/mac80211/patches/334-mac80211-fix-tx-sequence-number-assignment-with-soft.patch @@ -0,0 +1,23 @@ +From: Felix Fietkau <nbd@openwrt.org> +Date: Thu, 24 Sep 2015 14:10:07 +0200 +Subject: [PATCH] mac80211: fix tx sequence number assignment with software + queue + fast-xmit + +When using software queueing, tx sequence number assignment happens at +ieee80211_tx_dequeue time, so the fast-xmit codepath must not do that. + +Signed-off-by: Felix Fietkau <nbd@openwrt.org> +--- + +--- a/net/mac80211/tx.c ++++ b/net/mac80211/tx.c +@@ -2766,7 +2766,8 @@ static bool ieee80211_xmit_fast(struct i + + if (hdr->frame_control & cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) { + *ieee80211_get_qos_ctl(hdr) = tid; +- hdr->seq_ctrl = ieee80211_tx_next_seq(sta, tid); ++ if (!sta->sta.txq[0]) ++ hdr->seq_ctrl = ieee80211_tx_next_seq(sta, tid); + } else { + info->flags |= IEEE80211_TX_CTL_ASSIGN_SEQ; + hdr->seq_ctrl = cpu_to_le16(sdata->sequence_number); diff --git a/package/kernel/mac80211/patches/335-mac80211-fix-handling-of-PS-filtering-with-fast-xmit.patch b/package/kernel/mac80211/patches/335-mac80211-fix-handling-of-PS-filtering-with-fast-xmit.patch new file mode 100644 index 0000000000..7aef205fe1 --- /dev/null +++ b/package/kernel/mac80211/patches/335-mac80211-fix-handling-of-PS-filtering-with-fast-xmit.patch @@ -0,0 +1,45 @@ +From: Felix Fietkau <nbd@openwrt.org> +Date: Thu, 24 Sep 2015 14:11:40 +0200 +Subject: [PATCH] mac80211: fix handling of PS filtering with fast-xmit + +Fixes dropped packets in the tx path in case a non-PS station triggers +the tx filter. + +Cc: stable@vger.kernel.org # 4.2 +Signed-off-by: Felix Fietkau <nbd@openwrt.org> +--- + +--- a/net/mac80211/status.c ++++ b/net/mac80211/status.c +@@ -101,6 +101,7 @@ static void ieee80211_handle_filtered_fr + * when it wakes up for the next time. + */ + set_sta_flag(sta, WLAN_STA_CLEAR_PS_FILT); ++ ieee80211_clear_fast_xmit(sta); + + /* + * This code races in the following way: +--- a/net/mac80211/tx.c ++++ b/net/mac80211/tx.c +@@ -1217,8 +1217,10 @@ ieee80211_tx_prepare(struct ieee80211_su + + if (!tx->sta) + info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT; +- else if (test_and_clear_sta_flag(tx->sta, WLAN_STA_CLEAR_PS_FILT)) ++ else if (test_and_clear_sta_flag(tx->sta, WLAN_STA_CLEAR_PS_FILT)) { + info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT; ++ ieee80211_check_fast_xmit(tx->sta); ++ } + + info->flags |= IEEE80211_TX_CTL_FIRST_FRAGMENT; + +@@ -2450,7 +2452,8 @@ void ieee80211_check_fast_xmit(struct st + + if (test_sta_flag(sta, WLAN_STA_PS_STA) || + test_sta_flag(sta, WLAN_STA_PS_DRIVER) || +- test_sta_flag(sta, WLAN_STA_PS_DELIVER)) ++ test_sta_flag(sta, WLAN_STA_PS_DELIVER) || ++ test_sta_flag(sta, WLAN_STA_CLEAR_PS_FILT)) + goto out; + + if (sdata->noack_map) |