From 97a060dce22e57a63d2f5410acd2a81382b3a6a9 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Thu, 2 Mar 2023 11:18:14 +0100 Subject: [PATCH] mac80211: add patch for allowing the driver to refresh aggregation sessions Required by a mt76 update Signed-off-by: Felix Fietkau --- ...troduce-ieee80211_refresh_tx_agg_ses.patch | 60 +++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 package/kernel/mac80211/patches/subsys/325-wifi-mac80211-introduce-ieee80211_refresh_tx_agg_ses.patch diff --git a/package/kernel/mac80211/patches/subsys/325-wifi-mac80211-introduce-ieee80211_refresh_tx_agg_ses.patch b/package/kernel/mac80211/patches/subsys/325-wifi-mac80211-introduce-ieee80211_refresh_tx_agg_ses.patch new file mode 100644 index 0000000000..acd6c126aa --- /dev/null +++ b/package/kernel/mac80211/patches/subsys/325-wifi-mac80211-introduce-ieee80211_refresh_tx_agg_ses.patch @@ -0,0 +1,60 @@ +From: Ryder Lee +Date: Sat, 18 Feb 2023 01:50:05 +0800 +Subject: [PATCH] wifi: mac80211: introduce + ieee80211_refresh_tx_agg_session_timer() + +This allows low level drivers to refresh the tx agg session timer, based on +querying stats from the firmware usually. Especially for some mt76 devices +support .net_fill_forward_path would bypass mac80211, which leads to tx BA +session timeout for certain clients. + +Signed-off-by: Ryder Lee +--- + +--- a/include/net/mac80211.h ++++ b/include/net/mac80211.h +@@ -5970,6 +5970,18 @@ void ieee80211_queue_delayed_work(struct + unsigned long delay); + + /** ++ * ieee80211_refresh_tx_agg_session_timer - Refresh a tx agg session timer. ++ * @sta: the station for which to start a BA session ++ * @tid: the TID to BA on. ++ * ++ * This function allows low level driver to refresh tx agg session timer ++ * to maintain BA session, the session level will still be managed by the ++ * mac80211. ++ */ ++void ieee80211_refresh_tx_agg_session_timer(struct ieee80211_sta *sta, ++ u16 tid); ++ ++/** + * ieee80211_start_tx_ba_session - Start a tx Block Ack session. + * @sta: the station for which to start a BA session + * @tid: the TID to BA on. +--- a/net/mac80211/agg-tx.c ++++ b/net/mac80211/agg-tx.c +@@ -552,6 +552,23 @@ void ieee80211_tx_ba_session_handle_star + ieee80211_send_addba_with_timeout(sta, tid_tx); + } + ++void ieee80211_refresh_tx_agg_session_timer(struct ieee80211_sta *pubsta, ++ u16 tid) ++{ ++ struct sta_info *sta = container_of(pubsta, struct sta_info, sta); ++ struct tid_ampdu_tx *tid_tx; ++ ++ if (WARN_ON_ONCE(tid >= IEEE80211_NUM_TIDS)) ++ return; ++ ++ tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[tid]); ++ if (!tid_tx) ++ return; ++ ++ tid_tx->last_tx = jiffies; ++} ++EXPORT_SYMBOL(ieee80211_refresh_tx_agg_session_timer); ++ + /* + * After accepting the AddBA Response we activated a timer, + * resetting it after each frame that we send. -- 2.30.2