[PATCH v12 4/4] mac80211: MBSSID channel switch
From: Aloka Dixit <hidden>
Date: 2021-09-16 02:54:50
Subsystem:
mac80211, the rest · Maintainers:
Johannes Berg, Linus Torvalds
From: John Crispin <john@phrozen.org> Trigger ieee80211_csa_finish() on the non-transmitting interfaces when channel switch concludes on the transmitting interface. Signed-off-by: John Crispin <john@phrozen.org> Co-developed-by: Aloka Dixit <redacted> Signed-off-by: Aloka Dixit <redacted> --- v12: No changes. net/mac80211/cfg.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 23fa0bb49be2..88fbed46e1bc 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c@@ -3271,8 +3271,19 @@ void ieee80211_csa_finish(struct ieee80211_vif *vif) { struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); - ieee80211_queue_work(&sdata->local->hw, - &sdata->csa_finalize_work); + if (vif->mbssid_tx_vif == vif) { + struct ieee80211_sub_if_data *child, *tmp; + + list_for_each_entry_safe(child, tmp, + &sdata->local->interfaces, list) + if (child != sdata && child->vif.mbssid_tx_vif == vif && + ieee80211_sdata_running(child)) { + ieee80211_queue_work(&child->local->hw, + &child->csa_finalize_work); + } + } + + ieee80211_queue_work(&sdata->local->hw, &sdata->csa_finalize_work); } EXPORT_SYMBOL(ieee80211_csa_finish);
--
2.31.1