Notify client steer request event on UBUS

Signed-off-by: Filip Matusiak <filip.matusiak@iopsys.eu>

src/cntlr.c

@@ -484,6 +484,41 @@ void cntlr_update_sta_steer_counters(struct controller *c,
 	mapsta->num_steer_hist += 1;
 }
 
+void cntlr_notify_client_steer_req_evt(struct controller *c,
+			uint8_t *bssid, uint32_t sta_nr, uint8_t stas[][6],
+			uint32_t bssid_nr, uint8_t target_bssid[][6])
+{
+	char ev_data[1024] = {0};
+
+	snprintf(ev_data, sizeof(ev_data),
+			"{\"bssid\":\""MACFMT"\"",
+			MAC2STR(bssid));
+
+	if (sta_nr) {
+		char mac[64] = {0};
+
+		strncat(ev_data, ",\"sta_mac\":", sizeof(ev_data) - strlen(ev_data));
+		snprintf(mac, sizeof(mac), "\""MACFMT"\"", MAC2STR(stas[0]));
+		strncat(ev_data, mac, sizeof(ev_data) - strlen(ev_data));
+
+		// TODO: use blob_buf directly to provide further STA MACs
+	}
+
+	if (bssid_nr) {
+		char mac[64] = {0};
+
+		strncat(ev_data, ",\"target_bssid\":", sizeof(ev_data) - strlen(ev_data));
+		snprintf(mac, sizeof(mac), "\""MACFMT"\"", MAC2STR(target_bssid[0]));
+		strncat(ev_data, mac, sizeof(ev_data) - strlen(ev_data));
+
+		// TODO: use blob_buf directly to provide further target MACs
+	}
+
+	strncat(ev_data, "}", sizeof(ev_data) - strlen(ev_data));
+
+	cntlr_notify_event(c, "client_steer_request", ev_data);
+}
+
 #if 0
 static int invoke_disconnect_sta(struct node *n, struct netif_iface *p,
 		uint8_t *sta_mac)

src/cntlr.h

@@ -386,6 +386,9 @@ struct netif_iface *cntlr_iterate_fbss(struct controller *c, uint8_t *mac);
 void cntlr_update_sta_steer_counters(struct controller *c, uint8_t *sta_mac,
 		uint8_t *src_bssid, uint8_t *dst_bssid,
 		uint32_t mode, enum steer_trigger trigger);
+void cntlr_notify_client_steer_req_evt(struct controller *c,
+			uint8_t *bssid, uint32_t sta_nr, uint8_t stas[][6],
+			uint32_t bssid_nr, uint8_t target_bssid[][6]);
 struct steer_control_config *get_steer_control_config(struct controller *c);
 struct sta *cntlr_add_sta(struct controller *c, uint8_t *macaddr);
 struct sta *cntlr_find_sta(struct controller *c, uint8_t *mac);

src/cntlr_cmdu.c

@@ -1023,6 +1023,8 @@ int cntlr_send_client_steer_request(struct controller *c,
 	if (!cmdu_data)
 		return -1;
 
+	cntlr_notify_client_steer_req_evt(c, bssid, sta_nr, stas, bssid_nr, target_bssid);
+
 	send_cmdu(c, cmdu_data);
 	cmdu_free(cmdu_data);
 

src/cntlr_ubus.c

@@ -1344,6 +1344,9 @@ static int cntlr_client_steering(struct ubus_context *ctx, struct ubus_object *o
 	cntlr_update_sta_steering_stats(c, bss_id, sta_nr, sta_id,
 					bssid_nr, target_bbsid);
 
+	cntlr_notify_client_steer_req_evt(c, bss_id, sta_nr, sta_id,
+					bssid_nr, target_bbsid);
+
 	cmdu_put_eom(cmdu);
 	send_cmdu(c, cmdu);
 	cmdu_free(cmdu);