137 	if (client_ctx->sock_fd < 0) {  in lwm2m_open_socket()
141 			client_ctx->sock_fd = zsock_socket(client_ctx->remote_addr.sa_family,  in lwm2m_open_socket()
144 			client_ctx->sock_fd =  in lwm2m_open_socket()
149 		if (client_ctx->sock_fd < 0) {  in lwm2m_open_socket()
164 	if (client_ctx->sock_fd >= 0) {  in lwm2m_close_socket()
165 		int ret = zsock_close(client_ctx->sock_fd);  in lwm2m_close_socket()
174 	client_ctx->sock_fd = -1;  in lwm2m_close_socket()
189 	if (client_ctx->sock_fd >= 0 && !client_ctx->connection_suspended) {  in lwm2m_socket_suspend()
190 		int socket_temp_id = client_ctx->sock_fd;  in lwm2m_socket_suspend()
193 		client_ctx->sock_fd = -1;  in lwm2m_socket_suspend()
197 		client_ctx->sock_fd = socket_temp_id;  in lwm2m_socket_suspend()
200 			client_ctx->set_socket_state(client_ctx->sock_fd,  in lwm2m_socket_suspend()
548 	sock_fds[sock_nfds].fd = ctx->sock_fd;  in lwm2m_socket_add()
563 		sock_fds[i].fd = ctx->sock_fd;  in lwm2m_socket_update()
678 			ctx->set_socket_state(ctx->sock_fd, LWM2M_SOCKET_STATE_ONGOING);  in hint_socket_state()
680 			ctx->set_socket_state(ctx->sock_fd, LWM2M_SOCKET_STATE_ONE_RESPONSE);  in hint_socket_state()
682 			ctx->set_socket_state(ctx->sock_fd, LWM2M_SOCKET_STATE_LAST);  in hint_socket_state()
685 		ctx->set_socket_state(ctx->sock_fd, LWM2M_SOCKET_STATE_NO_DATA);  in hint_socket_state()
697 	len = zsock_recvfrom(client_ctx->sock_fd, in_buf, sizeof(in_buf) - 1, ZSOCK_MSG_DONTWAIT,  in socket_recv_message()
749 	rc = zsock_send(msg->ctx->sock_fd, msg->cpkt.data, msg->cpkt.offset, 0);  in socket_send_message()
881 			if (sock_ctx[i] != NULL && sock_ctx[i]->sock_fd < 0) {  in socket_loop()
1072 		ret = zsock_setsockopt(ctx->sock_fd, SOL_TLS, TLS_SEC_TAG_LIST, tls_tag_list,  in lwm2m_set_default_sockopt()
1083 			ret = zsock_setsockopt(ctx->sock_fd, SOL_TLS, TLS_SESSION_CACHE,  in lwm2m_set_default_sockopt()
1095 			ret = zsock_setsockopt(ctx->sock_fd, SOL_TLS, TLS_DTLS_CID, &cid,  in lwm2m_set_default_sockopt()
1112 			ret = zsock_setsockopt(ctx->sock_fd, SOL_TLS, TLS_HOSTNAME,  in lwm2m_set_default_sockopt()
1125 			ret = zsock_setsockopt(ctx->sock_fd, SOL_TLS, TLS_PEER_VERIFY, &verify,  in lwm2m_set_default_sockopt()
1135 			ret = zsock_setsockopt(ctx->sock_fd, SOL_TLS, TLS_PEER_VERIFY, &verify,  in lwm2m_set_default_sockopt()
1144 			ret = zsock_setsockopt(ctx->sock_fd, SOL_TLS, TLS_CIPHERSUITE_LIST,  in lwm2m_set_default_sockopt()
1151 			ret = zsock_setsockopt(ctx->sock_fd, SOL_TLS, TLS_CIPHERSUITE_LIST,  in lwm2m_set_default_sockopt()
1189 	if (client_ctx->sock_fd < 0) {  in lwm2m_socket_start()
1214 	if (zsock_connect(client_ctx->sock_fd, &client_ctx->remote_addr, addr_len) < 0) {  in lwm2m_socket_start()
1220 	flags = zsock_fcntl(client_ctx->sock_fd, F_GETFL, 0);  in lwm2m_socket_start()
1226 	ret = zsock_fcntl(client_ctx->sock_fd, F_SETFL, flags | O_NONBLOCK);  in lwm2m_socket_start()
1233 	LOG_INF("Connected, sock id %d", client_ctx->sock_fd);  in lwm2m_socket_start()
1242 	int sock_fd = client_ctx->sock_fd;  in lwm2m_socket_close()  local
1245 	client_ctx->sock_fd = -1;  in lwm2m_socket_close()
1246 	if (sock_fd >= 0) {  in lwm2m_socket_close()
1247 		return zsock_close(sock_fd);  in lwm2m_socket_close()