[22/40] wifi: mac80211: move CSA finalize to wiphy work

Commit Message

Johannes Berg Aug. 28, 2023, 11:59 a.m. UTC

From: Johannes Berg <[e-mail]>

This work should be made per link as well, and then
will have cancellation issues. Moving it to a wiphy
work already fixes those beforehand.

Reviewed-by: Emmanuel Grumbach <[e-mail]>
Signed-off-by: Johannes Berg <[e-mail]>
---
 net/mac80211/cfg.c         | 8 ++++----
 net/mac80211/chan.c        | 4 ++--
 net/mac80211/ieee80211_i.h | 4 ++--
 net/mac80211/iface.c       | 2 +-
 net/mac80211/link.c        | 4 ++--
 5 files changed, 11 insertions(+), 11 deletions(-)

Patch

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index e81e712448b2..8c7e6f637a1e 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -3581,11 +3581,11 @@  void ieee80211_csa_finish(struct ieee80211_vif *vif)
 			if (iter == sdata || iter->vif.mbssid_tx_vif != vif)
 				continue;
 
-			ieee80211_queue_work(&iter->local->hw,
-					     &iter->deflink.csa_finalize_work);
+			wiphy_work_queue(iter->local->hw.wiphy,
+					 &iter->deflink.csa_finalize_work);
 		}
 	}
-	ieee80211_queue_work(&local->hw, &sdata->deflink.csa_finalize_work);
+	wiphy_work_queue(local->hw.wiphy, &sdata->deflink.csa_finalize_work);
 
 	rcu_read_unlock();
 }
@@ -3713,7 +3713,7 @@  static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
 	}
 }
 
-void ieee80211_csa_finalize_work(struct work_struct *work)
+void ieee80211_csa_finalize_work(struct wiphy *wiphy, struct wiphy_work *work)
 {
 	struct ieee80211_sub_if_data *sdata =
 		container_of(work, struct ieee80211_sub_if_data,
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c
index 68952752b599..f967ed9d2a3a 100644
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -1206,8 +1206,8 @@  ieee80211_link_chanctx_reservation_complete(struct ieee80211_link_data *link)
 	case NL80211_IFTYPE_AP:
 	case NL80211_IFTYPE_MESH_POINT:
 	case NL80211_IFTYPE_OCB:
-		ieee80211_queue_work(&sdata->local->hw,
-				     &link->csa_finalize_work);
+		wiphy_work_queue(sdata->local->hw.wiphy,
+				 &link->csa_finalize_work);
 		break;
 	case NL80211_IFTYPE_STATION:
 		wiphy_delayed_work_queue(sdata->local->hw.wiphy,
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index a5569f9bb83f..8d9ced518087 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -990,7 +990,7 @@  struct ieee80211_link_data {
 	struct ieee80211_key __rcu *default_mgmt_key;
 	struct ieee80211_key __rcu *default_beacon_key;
 
-	struct work_struct csa_finalize_work;
+	struct wiphy_work csa_finalize_work;
 	bool csa_block_tx; /* write-protected by sdata_lock and local->mtx */
 
 	bool operating_11g_mode;
@@ -1989,7 +1989,7 @@  int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
 				  struct wireless_dev *wdev, u64 cookie);
 
 /* channel switch handling */
-void ieee80211_csa_finalize_work(struct work_struct *work);
+void ieee80211_csa_finalize_work(struct wiphy *wiphy, struct wiphy_work *work);
 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
 			     struct cfg80211_csa_settings *params);
 
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 82bb340ef4be..3b419af7720c 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -535,9 +535,9 @@  static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, bool going_do
 	mutex_unlock(&local->mtx);
 	sdata_unlock(sdata);
 
-	cancel_work_sync(&sdata->deflink.csa_finalize_work);
 	cancel_work_sync(&sdata->deflink.color_change_finalize_work);
 
+	wiphy_work_cancel(local->hw.wiphy, &sdata->deflink.csa_finalize_work);
 	wiphy_delayed_work_cancel(local->hw.wiphy,
 				  &sdata->deflink.dfs_cac_timer_work);
 
diff --git a/net/mac80211/link.c b/net/mac80211/link.c
index bcff8a909405..2f7e2fc60be3 100644
--- a/net/mac80211/link.c
+++ b/net/mac80211/link.c
@@ -37,8 +37,8 @@  void ieee80211_link_init(struct ieee80211_sub_if_data *sdata,
 	link_conf->link_id = link_id;
 	link_conf->vif = &sdata->vif;
 
-	INIT_WORK(&link->csa_finalize_work,
-		  ieee80211_csa_finalize_work);
+	wiphy_work_init(&link->csa_finalize_work,
+			ieee80211_csa_finalize_work);
 	INIT_WORK(&link->color_change_finalize_work,
 		  ieee80211_color_change_finalize_work);
 	INIT_DELAYED_WORK(&link->color_collision_detect_work,