Drop packets if connection is teardown

src/wtp/wtp.h

@@ -132,6 +132,7 @@ struct wtp_t {
 	struct capwap_dtls_context dtlscontext;
 	struct capwap_dtls ctrldtls;
 	struct capwap_dtls datadtls;
+	int teardown;
 };
 
 #define WTP_RADIO_ENABLED			0

src/wtp/wtp_dfa.c

@@ -387,7 +387,7 @@ int wtp_dfa_running(void) {
 			}
 
 			if (index >= 0) {
-				if (action == WTP_DFA_DROP_PACKET) {
+				if ((action == WTP_DFA_DROP_PACKET) || g_wtp.teardown) {
 					/* Drop packet */
 					continue;
 				} else {

src/wtp/wtp_dfa_dtls.c

@@ -56,6 +56,8 @@ int wtp_dfa_state_dtlsconnect_to_dtlsteardown(struct capwap_parsed_packet* packe
 int wtp_teardown_connection(struct timeout_control* timeout) {
 	ASSERT(timeout != NULL);
 
+	g_wtp.teardown = 1;
+
 	/* DTSL Control */
 	if (g_wtp.ctrldtls.enable) {
 		capwap_crypt_close(&g_wtp.ctrldtls);

src/wtp/wtp_dfa_idle.c

@@ -6,7 +6,10 @@
 int wtp_dfa_state_idle(struct capwap_parsed_packet* packet, struct timeout_control* timeout) {
 	ASSERT(timeout != NULL);
 	ASSERT(packet == NULL);
-	
+
+	/* Remove teardown flag */
+	g_wtp.teardown = 0;
+
 	if (!g_wtp.acdiscoveryrequest && (g_wtp.acpreferedarray->count > 0)) {
 		/* Found in configuration file the AC address */
 		memcpy(&g_wtp.acctrladdress, capwap_array_get_item_pointer(g_wtp.acpreferedarray, g_wtp.acpreferedselected), sizeof(struct sockaddr_storage));