137 static void sendpacket(int sock, struct sockaddr *addr, socklen_t addr_len)  in sendpacket()  argument
142 	res = sendto(sock, sync, sizeof(sync), 0,  in sendpacket()
155 			int sock, int recvmsg_flags,  in printpacket()  argument
261 		if (ioctl(sock, SIOCGSTAMP, &tv))  in printpacket()
269 		if (ioctl(sock, SIOCGSTAMPNS, &ts))  in printpacket()
278 static void recvpacket(int sock, int recvmsg_flags,  in recvpacket()  argument
301 	res = recvmsg(sock, &msg, recvmsg_flags|MSG_DONTWAIT);  in recvpacket()
309 			    sock, recvmsg_flags,  in recvpacket()
325 	int sock;  in main()  local
367 	sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP);  in main()
368 	if (sock < 0)  in main()
373 	if (ioctl(sock, SIOCGIFADDR, &device) < 0)  in main()
387 	if (ioctl(sock, SIOCSHWTSTAMP, &hwtstamp) < 0) {  in main()
403 	if (bind(sock,  in main()
414 	if (setsockopt(sock, IPPROTO_IP, IP_MULTICAST_IF,  in main()
419 	if (setsockopt(sock, IPPROTO_IP, IP_ADD_MEMBERSHIP,  in main()
423 	if (setsockopt(sock, IPPROTO_IP, IP_MULTICAST_LOOP,  in main()
430 		setsockopt(sock, SOL_SOCKET, SO_TIMESTAMP,  in main()
435 		setsockopt(sock, SOL_SOCKET, SO_TIMESTAMPNS,  in main()
440 		setsockopt(sock, SOL_SOCKET, SO_TIMESTAMPING,  in main()
446 	if (setsockopt(sock, SOL_IP, IP_PKTINFO,  in main()
452 	if (getsockopt(sock, SOL_SOCKET, SO_TIMESTAMP, &val, &len) < 0)  in main()
457 	if (getsockopt(sock, SOL_SOCKET, SO_TIMESTAMPNS, &val, &len) < 0)  in main()
463 	if (getsockopt(sock, SOL_SOCKET, SO_TIMESTAMPING, &val, &len) < 0) {  in main()
494 			FD_SET(sock, &readfs);  in main()
495 			FD_SET(sock, &errorfs);  in main()
499 			res = select(sock + 1, &readfs, 0, &errorfs, &delta);  in main()
506 				if (FD_ISSET(sock, &readfs))  in main()
508 				if (FD_ISSET(sock, &errorfs))  in main()
510 				recvpacket(sock, 0,  in main()
513 				recvpacket(sock, MSG_ERRQUEUE,  in main()
519 			sendpacket(sock,  in main()