diff --git a/hostapd/main.c b/hostapd/main.c
index 18b2dd9..615dc2f 100644
--- a/hostapd/main.c
+++ b/hostapd/main.c
@@ -166,8 +166,61 @@
 		return -1;
 	}
 
+#ifdef CONFIG_IEEE80211BE
+	for (i = 0; conf->mld_ap && i < iface->interfaces->count; i++) {
+		struct hostapd_iface *h = iface->interfaces->iface[i];
+		struct hostapd_data *h_hapd = h->bss[0];
+		struct hostapd_bss_config *hconf = h_hapd->conf;
+
+		if (h == iface) {
+			wpa_printf(MSG_DEBUG, "MLD: Skip own interface");
+			continue;
+		}
+
+		if (!hconf->mld_ap || hconf->mld_id != conf->mld_id) {
+			wpa_printf(MSG_DEBUG,
+				   "MLD: Skip non matching mld_id");
+			continue;
+		}
+
+		wpa_printf(MSG_DEBUG, "MLD: Found matching MLD interface");
+		if (!h_hapd->drv_priv) {
+			wpa_printf(MSG_DEBUG,
+				   "MLD: Matching MLD BSS not initialized yet");
+			continue;
+		}
+
+		hapd->drv_priv = h_hapd->drv_priv;
+
+		/*
+		 * All interfaces participating in the AP MLD would have
+		 * the same MLD address, which is the interface hardware
+		 * address, while the interface address would be
+		 * derived from the original interface address if BSSID
+		 * is not configured, and otherwise it would be the
+		 * configured BSSID.
+		 */
+		os_memcpy(hapd->mld_addr, h_hapd->mld_addr, ETH_ALEN);
+		if (is_zero_ether_addr(b)) {
+			os_memcpy(hapd->own_addr, h_hapd->mld_addr, ETH_ALEN);
+			random_mac_addr_keep_oui(hapd->own_addr);
+		} else {
+			os_memcpy(hapd->own_addr, b, ETH_ALEN);
+		}
+
+		/*
+		 * Mark the interface as a secondary interface, as this
+		 * is needed for the de-initialization flow
+		 */
+		hapd->mld_first_bss = h_hapd;
+		hapd->mld_link_id = hapd->mld_first_bss->mld_next_link_id++;
+
+		goto setup_mld;
+	}
+#endif /* CONFIG_IEEE80211BE */
+
 	/* Initialize the driver interface */
-	if (!(b[0] | b[1] | b[2] | b[3] | b[4] | b[5]))
+	if (is_zero_ether_addr(b))
 		b = NULL;
 
 	os_memset(&params, 0, sizeof(params));
@@ -191,6 +244,15 @@
 		break;
 	}
 	params.bssid = b;
+#ifdef CONFIG_IEEE80211BE
+	/*
+	 * Use the configured MLD MAC address as the interface hardware address
+	 * if this AP is a part of an AP MLD.
+	 */
+	if (!is_zero_ether_addr(hapd->conf->mld_addr) && hapd->conf->mld_ap)
+		params.bssid = hapd->conf->mld_addr;
+#endif /* CONFIG_IEEE80211BE */
+
 	params.ifname = hapd->conf->iface;
 	params.driver_params = hapd->iconf->driver_params;
 	params.use_pae_group_addr = hapd->conf->use_pae_group_addr;
@@ -216,6 +278,26 @@
 		return -1;
 	}
 
+#ifdef CONFIG_IEEE80211BE
+	/*
+	 * This is the first interface added to the AP MLD, so have the
+	 * interface hardware address be the MLD address, while the link address
+	 * would be derived from the original interface address if BSSID is not
+	 * configured, and otherwise it would be the configured BSSID.
+	 */
+	if (hapd->conf->mld_ap) {
+		os_memcpy(hapd->mld_addr, hapd->own_addr, ETH_ALEN);
+		hapd->mld_next_link_id = 0;
+		hapd->mld_link_id = hapd->mld_next_link_id++;
+		if (!b)
+			random_mac_addr_keep_oui(hapd->own_addr);
+		else
+			os_memcpy(hapd->own_addr, b, ETH_ALEN);
+	}
+
+setup_mld:
+#endif /* CONFIG_IEEE80211BE */
+
 	if (hapd->driver->get_capa &&
 	    hapd->driver->get_capa(hapd->drv_priv, &capa) == 0) {
 		struct wowlan_triggers *triggs;
@@ -237,6 +319,8 @@
 		 */
 		hostapd_get_ext_capa(iface);
 
+		hostapd_get_mld_capa(iface);
+
 		triggs = wpa_get_wowlan_triggers(conf->wowlan_triggers, &capa);
 		if (triggs && hapd->driver->set_wowlan) {
 			if (hapd->driver->set_wowlan(hapd->drv_priv, triggs))
@@ -248,6 +332,25 @@
 		iface->ema_max_periodicity = capa.ema_max_periodicity;
 	}
 
+#ifdef CONFIG_IEEE80211BE
+	if (hapd->conf->mld_ap) {
+		if (!(iface->drv_flags2 & WPA_DRIVER_FLAGS2_MLO)) {
+			wpa_printf(MSG_INFO,
+				   "MLD: Not supported by the driver");
+			return -1;
+		}
+
+		wpa_printf(MSG_DEBUG,
+			   "MLD: Set link_id=%u, mld_addr=" MACSTR
+			   ", own_addr=" MACSTR,
+			   hapd->mld_link_id, MAC2STR(hapd->mld_addr),
+			   MAC2STR(hapd->own_addr));
+
+		hostapd_drv_link_add(hapd, hapd->mld_link_id,
+				     hapd->own_addr);
+	}
+#endif /* CONFIG_IEEE80211BE */
+
 	return 0;
 }