AP MLD: Make BSS parameter change variable

As a preparation to support link removal, make the BSS parameter
change count variable.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>

hostapd/main.c

@@ -338,6 +338,9 @@ setup_mld:
 			return -1;
 		}
 
+		/* Initialize the BSS parameter change to 1 */
+		hapd->eht_mld_bss_param_change = 1;
+
 		wpa_printf(MSG_DEBUG,
 			   "MLD: Set link_id=%u, mld_addr=" MACSTR
 			   ", own_addr=" MACSTR,

src/ap/hostapd.h

@@ -468,6 +468,10 @@ struct hostapd_data {
 #ifdef CONFIG_CTRL_IFACE_UDP
        unsigned char ctrl_iface_cookie[CTRL_IFACE_COOKIE_LEN];
 #endif /* CONFIG_CTRL_IFACE_UDP */
+
+#ifdef CONFIG_IEEE80211BE
+	u8 eht_mld_bss_param_change;
+#endif /* CONFIG_IEEE80211BE */
 };
 
 

src/ap/ieee802_11_eht.c

@@ -563,9 +563,7 @@ u8 * hostapd_eid_eht_basic_ml(struct hostapd_data *hapd, u8 *eid,
 		wpabuf_put_le16(buf, link_bss->conf->dtim_period);
 
 		/* BSS Parameters Change Count */
-		/* TODO: Currently hard code the BSS Parameters Change Count to
-		 * 0x1 */
-		wpabuf_put_u8(buf, 0x1);
+		wpabuf_put_u8(buf, hapd->eht_mld_bss_param_change);
 
 		/* Fragment the sub element if needed */
 		if (total_len <= 255) {