net/mac80211/cfg.c

3607 	struct ieee80211_link_data *link_data;
3614 	link_data = rcu_dereference(sdata->link[link_id]);
3615 	if (WARN_ON(!link_data)) {
3639 	wiphy_work_queue(local->hw.wiphy, &link_data->csa_finalize_work);
3657 static int ieee80211_set_after_csa_beacon(struct ieee80211_link_data *link_data,
3660 	struct ieee80211_sub_if_data *sdata = link_data->sdata;
3665 		if (!link_data->u.ap.next_beacon)
3668 		err = ieee80211_assign_beacon(sdata, link_data,
3669 					      link_data->u.ap.next_beacon,
3671 		ieee80211_free_next_beacon(link_data);
3696 static int __ieee80211_csa_finalize(struct ieee80211_link_data *link_data)
3698 	struct ieee80211_sub_if_data *sdata = link_data->sdata;
3700 	struct ieee80211_bss_conf *link_conf = link_data->conf;
3713 	if (link_data->reserved_chanctx) {
3719 		if (link_data->reserved_ready)
3722 		return ieee80211_link_use_reserved_context(link_data);
3726 					&link_data->csa_chanreq.oper))
3731 	err = ieee80211_set_after_csa_beacon(link_data, &changed);
3735 	ieee80211_link_info_change_notify(sdata, link_data, changed);
3743 	err = drv_post_channel_switch(link_data);
3747 	cfg80211_ch_switch_notify(sdata->dev, &link_data->csa_chanreq.oper,
3748 				  link_data->link_id);
3753 static void ieee80211_csa_finalize(struct ieee80211_link_data *link_data)
3755 	struct ieee80211_sub_if_data *sdata = link_data->sdata;
3757 	if (__ieee80211_csa_finalize(link_data)) {
3759 			   link_data->link_id);
3784 static int ieee80211_set_csa_beacon(struct ieee80211_link_data *link_data,
3788 	struct ieee80211_sub_if_data *sdata = link_data->sdata;
3794 		link_data->u.ap.next_beacon =
3796 		if (!link_data->u.ap.next_beacon)
3822 			ieee80211_free_next_beacon(link_data);
3832 		err = ieee80211_assign_beacon(sdata, link_data,
3836 			ieee80211_free_next_beacon(link_data);
3939 	struct ieee80211_link_data *link_data;
3955 	link_data = wiphy_dereference(wiphy, sdata->link[link_id]);
3956 	if (!link_data)
3959 	link_conf = link_data->conf;
3992 	err = ieee80211_link_reserve_chanctx(link_data, &chanreq,
4001 		ieee80211_link_unreserve_chanctx(link_data);
4009 	err = ieee80211_set_csa_beacon(link_data, params, &changed);
4011 		ieee80211_link_unreserve_chanctx(link_data);
4015 	link_data->csa_chanreq = chanreq;
4026 					  &link_data->csa_chanreq.oper, 0,
4030 		ieee80211_link_info_change_notify(sdata, link_data, changed);
4031 		drv_channel_switch_beacon(sdata, &link_data->csa_chanreq.oper);
4034 		ieee80211_csa_finalize(link_data);