31 lines
997 B
Diff
31 lines
997 B
Diff
From: Felix Fietkau <nbd@nbd.name>
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Date: Fri, 26 Aug 2016 21:57:16 +0200
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Subject: [PATCH] mac80211: fix tim recalculation after PS response
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Handle the case where the mac80211 intermediate queues are empty and the
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driver has buffered frames
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Fixes: ba8c3d6f16a1 ("mac80211: add an intermediate software queue implementation")
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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--- a/net/mac80211/sta_info.c
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+++ b/net/mac80211/sta_info.c
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@@ -1616,7 +1616,6 @@ ieee80211_sta_ps_deliver_response(struct
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sta_info_recalc_tim(sta);
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} else {
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- unsigned long tids = sta->txq_buffered_tids & driver_release_tids;
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int tid;
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/*
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@@ -1648,7 +1647,8 @@ ieee80211_sta_ps_deliver_response(struct
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for (tid = 0; tid < ARRAY_SIZE(sta->sta.txq); tid++) {
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struct txq_info *txqi = to_txq_info(sta->sta.txq[tid]);
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- if (!(tids & BIT(tid)) || txqi->tin.backlog_packets)
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+ if (!(driver_release_tids & BIT(tid)) ||
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+ txqi->tin.backlog_packets)
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continue;
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sta_info_recalc_tim(sta);
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