From: John Crispin <john@xxxxxxxxxxx>
Trigger ieee80211_csa_finish() on the non-transmitting interfaces
when channel switch concludes on the transmitting interface.
Signed-off-by: John Crispin <john@xxxxxxxxxxx>
Co-developed-by: Aloka Dixit <alokad@xxxxxxxxxxxxxx>
Signed-off-by: Aloka Dixit <alokad@xxxxxxxxxxxxxx>
---
v11: Reverted changes from v10.
v10: Used iflist_mtx instead of rcu_read_lock() as most other
accesses to sdata->local->interfaces do so.
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 c95c5aacfbfa..6e1d525bf736 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -3244,8 +3244,19 @@ 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
