wifi: mac80211: collect some CSA data into sub-structs

Collect the CSA data in ieee80211_link_data_managed and
ieee80211_link_data into a csa sub-struct to clean up a
bit and make adding new things more obvious.

Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240506215543.29f954b1f576.I9a683a9647c33d4dd3011aade6677982428c1082@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

net/mac80211/link.c

@@ -37,7 +37,7 @@ void ieee80211_link_init(struct ieee80211_sub_if_data *sdata,
 	link_conf->link_id = link_id;
 	link_conf->vif = &sdata->vif;
 
-	wiphy_work_init(&link->csa_finalize_work,
+	wiphy_work_init(&link->csa.finalize_work,
 			ieee80211_csa_finalize_work);
 	wiphy_work_init(&link->color_change_finalize_work,
 			ieee80211_color_change_finalize_work);
@@ -72,7 +72,7 @@ void ieee80211_link_stop(struct ieee80211_link_data *link)
 
 	cancel_delayed_work_sync(&link->color_collision_detect_work);
 	wiphy_work_cancel(link->sdata->local->hw.wiphy,
-			  &link->csa_finalize_work);
+			  &link->csa.finalize_work);
 	ieee80211_link_release_channel(link);
 }
 
@@ -366,8 +366,8 @@ static int _ieee80211_set_active_links(struct ieee80211_sub_if_data *sdata,
 		 */
 		if (link->conf->csa_active)
 			wiphy_delayed_work_queue(local->hw.wiphy,
-						 &link->u.mgd.chswitch_work,
-						 link->u.mgd.csa_time -
+						 &link->u.mgd.csa.switch_work,
+						 link->u.mgd.csa.time -
 						 jiffies);
 	}