FST: Add FST IEs into AP mode management frames

This adds the FST IEs received from the FST module into Beacon, Probe
Response, and (Re)Association Response frames.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>

src/ap/ap_drv_ops.c

@@ -81,6 +81,22 @@ int hostapd_build_ap_extra_ies(struct hostapd_data *hapd,
 		wpabuf_put_data(proberesp, buf, pos - buf);
 	}
 
+#ifdef CONFIG_FST
+	if (hapd->iface->fst_ies) {
+		size_t add = wpabuf_len(hapd->iface->fst_ies);
+
+		if (wpabuf_resize(&beacon, add) < 0)
+			goto fail;
+		wpabuf_put_buf(beacon, hapd->iface->fst_ies);
+		if (wpabuf_resize(&proberesp, add) < 0)
+			goto fail;
+		wpabuf_put_buf(proberesp, hapd->iface->fst_ies);
+		if (wpabuf_resize(&assocresp, add) < 0)
+			goto fail;
+		wpabuf_put_buf(assocresp, hapd->iface->fst_ies);
+	}
+#endif /* CONFIG_FST */
+
 	if (hapd->wps_beacon_ie) {
 		if (wpabuf_resize(&beacon, wpabuf_len(hapd->wps_beacon_ie)) <
 		    0)

src/ap/beacon.c

@@ -377,6 +377,10 @@ static u8 * hostapd_gen_probe_resp(struct hostapd_data *hapd,
 	if (hapd->p2p_probe_resp_ie)
 		buflen += wpabuf_len(hapd->p2p_probe_resp_ie);
 #endif /* CONFIG_P2P */
+#ifdef CONFIG_FST
+	if (hapd->iface->fst_ies)
+		buflen += wpabuf_len(hapd->iface->fst_ies);
+#endif /* CONFIG_FST */
 	if (hapd->conf->vendor_elements)
 		buflen += wpabuf_len(hapd->conf->vendor_elements);
 	if (hapd->conf->vendor_vht) {
@@ -449,6 +453,15 @@ static u8 * hostapd_gen_probe_resp(struct hostapd_data *hapd,
 
 	pos = hostapd_add_csa_elems(hapd, pos, (u8 *)resp,
 				    &hapd->cs_c_off_proberesp);
+
+#ifdef CONFIG_FST
+	if (hapd->iface->fst_ies) {
+		os_memcpy(pos, wpabuf_head(hapd->iface->fst_ies),
+			  wpabuf_len(hapd->iface->fst_ies));
+		pos += wpabuf_len(hapd->iface->fst_ies);
+	}
+#endif /* CONFIG_FST */
+
 #ifdef CONFIG_IEEE80211AC
 	if (hapd->iconf->ieee80211ac && !hapd->conf->disable_11ac) {
 		pos = hostapd_eid_vht_capabilities(hapd, pos);
@@ -797,6 +810,10 @@ int ieee802_11_build_ap_params(struct hostapd_data *hapd,
 	if (hapd->p2p_beacon_ie)
 		tail_len += wpabuf_len(hapd->p2p_beacon_ie);
 #endif /* CONFIG_P2P */
+#ifdef CONFIG_FST
+	if (hapd->iface->fst_ies)
+		tail_len += wpabuf_len(hapd->iface->fst_ies);
+#endif /* CONFIG_FST */
 	if (hapd->conf->vendor_elements)
 		tail_len += wpabuf_len(hapd->conf->vendor_elements);
 
@@ -895,6 +912,15 @@ int ieee802_11_build_ap_params(struct hostapd_data *hapd,
 	tailpos = hostapd_eid_roaming_consortium(hapd, tailpos);
 	tailpos = hostapd_add_csa_elems(hapd, tailpos, tail,
 					&hapd->cs_c_off_beacon);
+
+#ifdef CONFIG_FST
+	if (hapd->iface->fst_ies) {
+		os_memcpy(tailpos, wpabuf_head(hapd->iface->fst_ies),
+			  wpabuf_len(hapd->iface->fst_ies));
+		tailpos += wpabuf_len(hapd->iface->fst_ies);
+	}
+#endif /* CONFIG_FST */
+
 #ifdef CONFIG_IEEE80211AC
 	if (hapd->iconf->ieee80211ac && !hapd->conf->disable_11ac) {
 		tailpos = hostapd_eid_vht_capabilities(hapd, tailpos);

src/ap/ieee802_11.c

@@ -1632,6 +1632,14 @@ static void send_assoc_resp(struct hostapd_data *hapd, struct sta_info *sta,
 	if (sta->qos_map_enabled)
 		p = hostapd_eid_qos_map_set(hapd, p);
 
+#ifdef CONFIG_FST
+	if (hapd->iface->fst_ies) {
+		os_memcpy(p, wpabuf_head(hapd->iface->fst_ies),
+			  wpabuf_len(hapd->iface->fst_ies));
+		p += wpabuf_len(hapd->iface->fst_ies);
+	}
+#endif /* CONFIG_FST */
+
 #ifdef CONFIG_IEEE80211AC
 	if (hapd->conf->vendor_vht && (sta->flags & WLAN_STA_VENDOR_VHT))
 		p = hostapd_eid_vendor_vht(hapd, p);