diff options
Diffstat (limited to 'package/kernel/mac80211/patches/subsys/305-mac80211-fix-regression-in-SSN-handling-of-addba-tx.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/subsys/305-mac80211-fix-regression-in-SSN-handling-of-addba-tx.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/subsys/305-mac80211-fix-regression-in-SSN-handling-of-addba-tx.patch b/package/kernel/mac80211/patches/subsys/305-mac80211-fix-regression-in-SSN-handling-of-addba-tx.patch new file mode 100644 index 0000000000..6ffdffc562 --- /dev/null +++ b/package/kernel/mac80211/patches/subsys/305-mac80211-fix-regression-in-SSN-handling-of-addba-tx.patch @@ -0,0 +1,44 @@ +From: Felix Fietkau <nbd@nbd.name> +Date: Wed, 24 Nov 2021 10:30:41 +0100 +Subject: [PATCH] mac80211: fix regression in SSN handling of addba tx + +Some drivers that do their own sequence number allocation (e.g. ath9k) rely +on being able to modify params->ssn on starting tx ampdu sessions. +This was broken by a change that modified it to use sta->tid_seq[tid] instead. + +Cc: stable@vger.kernel.org +Fixes: 31d8bb4e07f8 ("mac80211: agg-tx: refactor sending addba") +Reported-by: Eneas U de Queiroz <cotequeiroz@gmail.com> +Signed-off-by: Felix Fietkau <nbd@nbd.name> +--- + +--- a/net/mac80211/agg-tx.c ++++ b/net/mac80211/agg-tx.c +@@ -480,8 +480,7 @@ static void ieee80211_send_addba_with_ti + + /* send AddBA request */ + ieee80211_send_addba_request(sdata, sta->sta.addr, tid, +- tid_tx->dialog_token, +- sta->tid_seq[tid] >> 4, ++ tid_tx->dialog_token, tid_tx->ssn, + buf_size, tid_tx->timeout); + + WARN_ON(test_and_set_bit(HT_AGG_STATE_SENT_ADDBA, &tid_tx->state)); +@@ -523,6 +522,7 @@ void ieee80211_tx_ba_session_handle_star + + params.ssn = sta->tid_seq[tid] >> 4; + ret = drv_ampdu_action(local, sdata, ¶ms); ++ tid_tx->ssn = params.ssn; + if (ret == IEEE80211_AMPDU_TX_START_DELAY_ADDBA) { + return; + } else if (ret == IEEE80211_AMPDU_TX_START_IMMEDIATE) { +--- a/net/mac80211/sta_info.h ++++ b/net/mac80211/sta_info.h +@@ -190,6 +190,7 @@ struct tid_ampdu_tx { + u8 stop_initiator; + bool tx_stop; + u16 buf_size; ++ u16 ssn; + + u16 failed_bar_ssn; + bool bar_pending; |