diff options
Diffstat (limited to 'package/kernel/mac80211/patches/subsys/371-mac80211-don-t-apply-flow-control-on-management-fram.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/subsys/371-mac80211-don-t-apply-flow-control-on-management-fram.patch | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/package/kernel/mac80211/patches/subsys/371-mac80211-don-t-apply-flow-control-on-management-fram.patch b/package/kernel/mac80211/patches/subsys/371-mac80211-don-t-apply-flow-control-on-management-fram.patch deleted file mode 100644 index 26f295e680..0000000000 --- a/package/kernel/mac80211/patches/subsys/371-mac80211-don-t-apply-flow-control-on-management-fram.patch +++ /dev/null @@ -1,60 +0,0 @@ -From: Johannes Berg <johannes.berg@intel.com> -Date: Fri, 19 Mar 2021 23:28:01 +0100 -Subject: [PATCH] mac80211: don't apply flow control on management frames - -In some cases (depending on the driver, but it's true e.g. for -iwlwifi) we're using an internal TXQ for management packets, -mostly to simplify the code and to have a place to queue them. -However, it appears that in certain cases we can confuse the -code and management frames are dropped, which is certainly not -what we want. - -Short-circuit the processing of management frames. To keep the -impact minimal, only put them on the frags queue and check the -tid == management only for doing that and to skip the airtime -fairness checks, if applicable. - -Signed-off-by: Johannes Berg <johannes.berg@intel.com> ---- - ---- a/net/mac80211/tx.c -+++ b/net/mac80211/tx.c -@@ -5,7 +5,7 @@ - * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> - * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> - * Copyright 2013-2014 Intel Mobile Communications GmbH -- * Copyright (C) 2018-2020 Intel Corporation -+ * Copyright (C) 2018-2021 Intel Corporation - * - * Transmit and frame generation functions. - */ -@@ -1388,8 +1388,17 @@ static void ieee80211_txq_enqueue(struct - ieee80211_set_skb_enqueue_time(skb); - - spin_lock_bh(&fq->lock); -- fq_tin_enqueue(fq, tin, flow_idx, skb, -- fq_skb_free_func); -+ /* -+ * For management frames, don't really apply codel etc., -+ * we don't want to apply any shaping or anything we just -+ * want to simplify the driver API by having them on the -+ * txqi. -+ */ -+ if (unlikely(txqi->txq.tid == IEEE80211_NUM_TIDS)) -+ __skb_queue_tail(&txqi->frags, skb); -+ else -+ fq_tin_enqueue(fq, tin, flow_idx, skb, -+ fq_skb_free_func); - spin_unlock_bh(&fq->lock); - } - -@@ -3853,6 +3862,9 @@ bool ieee80211_txq_airtime_check(struct - if (!txq->sta) - return true; - -+ if (unlikely(txq->tid == IEEE80211_NUM_TIDS)) -+ return true; -+ - sta = container_of(txq->sta, struct sta_info, sta); - if (atomic_read(&sta->airtime[txq->ac].aql_tx_pending) < - sta->airtime[txq->ac].aql_limit_low) |