229 		struct tlv_hdr *tlv = (struct tlv_hdr *)buf;  in dut_echo_thread()  local
236 		if (n != ntohs(tlv->len))  in dut_echo_thread()
239 		if (ntohs(tlv->type) != CMD_ECHO)  in dut_echo_thread()
342 	struct tlv_hdr *tlv = (struct tlv_hdr *)buf;  in recv_msg()  local
346 	if (len != ntohs(tlv->len) || len < sizeof(*tlv))  in recv_msg()
350 		len -= sizeof(*tlv);  in recv_msg()
354 		memcpy(val, tlv->data, len);  in recv_msg()
388 		struct tlv_hdr *tlv = (struct tlv_hdr *)buf;  in dut_run()  local
394 		switch (ntohs(tlv->type)) {  in dut_run()
409 			tlv->type = htons(CMD_ACK);  in dut_run()
410 			tlv->len = htons(sizeof(*tlv));  in dut_run()
411 			err = send(ctrl_sockfd, buf, sizeof(*tlv), 0);  in dut_run()
425 			tlv->type = htons(CMD_ACK);  in dut_run()
426 			tlv->len = htons(sizeof(*tlv));  in dut_run()
427 			err = send(ctrl_sockfd, buf, sizeof(*tlv), 0);  in dut_run()
443 			tlv->type = htons(CMD_ACK);  in dut_run()
444 			n = sizeof(*tlv) + sizeof(opts.feature_flags);  in dut_run()
445 			tlv->len = htons(n);  in dut_run()
448 			memcpy(tlv->data, &val, sizeof(val));  in dut_run()
468 			tlv->type = htons(CMD_ACK);  in dut_run()
469 			n = sizeof(*tlv) + sizeof(val);  in dut_run()
470 			tlv->len = htons(n);  in dut_run()
473 			memcpy(tlv->data, &val, sizeof(val));  in dut_run()
532 	struct tlv_hdr *tlv = (struct tlv_hdr *)buf;  in send_and_recv_msg()  local
535 	tlv->type = htons(cmd);  in send_and_recv_msg()
536 	tlv->len = htons(sizeof(*tlv));  in send_and_recv_msg()
538 	err = send(sockfd, buf, sizeof(*tlv), 0);  in send_and_recv_msg()
546 	return ntohs(tlv->type) == CMD_ACK ? 0 : -EINVAL;  in send_and_recv_msg()
552 	struct tlv_hdr *tlv = (struct tlv_hdr *)buf;  in send_echo_msg()  local
563 	tlv->type = htons(CMD_ECHO);  in send_echo_msg()
564 	tlv->len = htons(sizeof(*tlv));  in send_echo_msg()
566 	n = sendto(sockfd, buf, sizeof(*tlv), MSG_NOSIGNAL | MSG_CONFIRM,  in send_echo_msg()
570 	return n == ntohs(tlv->len) ? 0 : -EINVAL;  in send_echo_msg()