Commit 61403414 authored by Johannes Berg's avatar Johannes Berg
Browse files

wifi: mac80211: implement proper AP MLD HW restart 



Previously, I didn't implement restarting here at all if the
interface is an MLD, so it only worked for non-MLO. Add the
needed code to restart an AP MLD correctly.

Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
Signed-off-by: default avatarGregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230504134511.828474-12-gregory.greenman@intel.com


Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent ce2bb3b6

net/mac80211/util.c

+43 −1
Original line number Diff line number Diff line
@@ -2475,6 +2475,35 @@ static int ieee80211_reconfig_nan(struct ieee80211_sub_if_data *sdata) 
	return 0;

}



static void ieee80211_reconfig_ap_links(struct ieee80211_local *local,

					struct ieee80211_sub_if_data *sdata,

					u32 changed)

{

	int link_id;



	for (link_id = 0; link_id < ARRAY_SIZE(sdata->link); link_id++) {

		struct ieee80211_link_data *link;



		if (!(sdata->vif.active_links & BIT(link_id)))

			continue;



		link = sdata_dereference(sdata->link[link_id], sdata);

		if (!link)

			continue;



		if (rcu_access_pointer(link->u.ap.beacon))

			drv_start_ap(local, sdata, link->conf);



		if (!link->conf->enable_beacon)

			continue;



		changed |= BSS_CHANGED_BEACON |

			   BSS_CHANGED_BEACON_ENABLED;



		ieee80211_link_info_change_notify(sdata, link, changed);

	}

}



int ieee80211_reconfig(struct ieee80211_local *local)

{

	struct ieee80211_hw *hw = &local->hw;
@@ -2737,7 +2766,13 @@ int ieee80211_reconfig(struct ieee80211_local *local) 
			changed |= BSS_CHANGED_IBSS;

			fallthrough;

		case NL80211_IFTYPE_AP:

			changed |= BSS_CHANGED_SSID | BSS_CHANGED_P2P_PS;

			changed |= BSS_CHANGED_P2P_PS;



			if (sdata->vif.valid_links)

				ieee80211_vif_cfg_change_notify(sdata,

								BSS_CHANGED_SSID);

			else

				changed |= BSS_CHANGED_SSID;



			if (sdata->vif.bss_conf.ftm_responder == 1 &&

			    wiphy_ext_feature_isset(sdata->local->hw.wiphy,
@@ -2747,6 +2782,13 @@ int ieee80211_reconfig(struct ieee80211_local *local) 
			if (sdata->vif.type == NL80211_IFTYPE_AP) {

				changed |= BSS_CHANGED_AP_PROBE_RESP;



				if (sdata->vif.valid_links) {

					ieee80211_reconfig_ap_links(local,

								    sdata,

								    changed);

					break;

				}



				if (rcu_access_pointer(sdata->deflink.u.ap.beacon))

					drv_start_ap(local, sdata,

						     sdata->deflink.conf);