wifi: mac80211: parse unsolicited broadcast probe response data

During commands like channel switch and color change, the updated
unsolicited broadcast probe response template may be provided. However,
this data is not parsed or acted upon in mac80211.

Add support to parse it and set the BSS changed flag
BSS_CHANGED_UNSOL_BCAST_PROBE_RESP so that drivers could take further
action.

Signed-off-by: Yuvarani V <[email protected]>
Signed-off-by: Aditya Kumar Singh <[email protected]>
Link: https://patch.msgid.link/20250710-update_unsol_bcast_probe_resp-v2-2-31aca39d3b30@oss.qualcomm.com
Signed-off-by: Johannes Berg <[email protected]>

Author: Yuvarani V

net/mac80211/cfg.c

@@ -4187,6 +4187,12 @@ __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
 		goto out;
 	}
 
+	err = ieee80211_set_unsol_bcast_probe_resp(sdata,
+						   &params->unsol_bcast_probe_resp,
+						   link_data, link_conf, &changed);
+	if (err)
+		goto out;
+
 	chanctx = container_of(conf, struct ieee80211_chanctx, conf);
 
 	ch_switch.timestamp = 0;
@@ -5128,6 +5134,12 @@ ieee80211_color_change(struct wiphy *wiphy, struct net_device *dev,
 		goto out;
 	}
 
+	err = ieee80211_set_unsol_bcast_probe_resp(sdata,
+						   &params->unsol_bcast_probe_resp,
+						   link, link_conf, &changed);
+	if (err)
+		goto out;
+
 	err = ieee80211_set_color_change_beacon(link, params, &changed);
 	if (err)
 		goto out;