wifi: mac80211_hwsim: Multiple BSSID support

Advertise multiple BSSID support for up to 8 interfaces.
Do not send beacons from the non-transmitting interfaces.
Signed-off-by: Aloka Dixit <quic_alokad@quicinc.com>
Link: https://lore.kernel.org/r/20221206005040.3177-4-quic_alokad@quicinc.comSigned-off-by: Johannes Berg <johannes.berg@intel.com>

drivers/net/wireless/virtual/mac80211_hwsim.c

@@ -2122,6 +2122,9 @@ static void mac80211_hwsim_beacon_tx(void *arg, u8 *mac,
 	    vif->type != NL80211_IFTYPE_OCB)
 		return;
 
+	if (vif->mbssid_tx_vif && vif->mbssid_tx_vif != vif)
+		return;
+
 	skb = ieee80211_beacon_get(hw, vif, link_id);
 	if (!skb)
 		return;
@@ -4405,6 +4408,8 @@ static int mac80211_hwsim_new_radio(struct genl_info *info,
 		hw->wiphy->n_cipher_suites = param->n_ciphers;
 	}
 
+	hw->wiphy->mbssid_max_interfaces = 8;
+
 	data->rx_rssi = DEFAULT_RX_RSSI;
 
 	INIT_DELAYED_WORK(&data->roc_start, hw_roc_start);