49 		printf("invalid option: %s\n", error);  in usage()
50 	printf("timestamping interface option*\n\n"  in usage()
68 	printf("%s: %s\n", error, strerror(errno));  in bail()
127 		printf("%s: %s\n", "send", strerror(errno));  in sendpacket()
129 		printf("%ld.%06ld: sent %d bytes\n",  in sendpacket()
147 	printf("%ld.%06ld: received %s data, %d bytes from %s, %zu bytes control messages\n",  in printpacket()
156 		printf("   cmsg len %zu: ", cmsg->cmsg_len);  in printpacket()
159 			printf("SOL_SOCKET ");  in printpacket()
164 				printf("SO_TIMESTAMP %ld.%06ld",  in printpacket()
172 				printf("SO_TIMESTAMPNS %ld.%09ld",  in printpacket()
180 				printf("SO_TIMESTAMPING ");  in printpacket()
181 				printf("SW %ld.%09ld ",  in printpacket()
187 				printf("HW raw %ld.%09ld",  in printpacket()
193 				printf("type %d", cmsg->cmsg_type);  in printpacket()
198 			printf("IPPROTO_IP ");  in printpacket()
203 				printf("IP_RECVERR ee_errno '%s' ee_origin %d => %s",  in printpacket()
214 					printf(" => truncated data?!");  in printpacket()
217 					printf(" => GOT OUR DATA BACK (HURRAY!)");  in printpacket()
223 				printf("IP_PKTINFO interface index %u",  in printpacket()
228 				printf("type %d", cmsg->cmsg_type);  in printpacket()
233 			printf("level %d type %d",  in printpacket()
238 		printf("\n");  in printpacket()
243 			printf("   %s: %s\n", "SIOCGSTAMP", strerror(errno));  in printpacket()
245 			printf("SIOCGSTAMP %ld.%06ld\n",  in printpacket()
251 			printf("   %s: %s\n", "SIOCGSTAMPNS", strerror(errno));  in printpacket()
253 			printf("SIOCGSTAMPNS %ld.%09ld\n",  in printpacket()
284 		printf("%s %s: %s\n",  in recvpacket()
372 			printf("SIOCSHWTSTAMP: disabling hardware time stamping not possible\n");  in main()
376 	printf("SIOCSHWTSTAMP: tx_type %d requested, got %d; rx_filter %d requested, got %d\n",  in main()
429 		printf("%s: %s\n", "setsockopt IP_PKTINFO", strerror(errno));  in main()
434 		printf("%s: %s\n", "getsockopt SO_TIMESTAMP", strerror(errno));  in main()
436 		printf("SO_TIMESTAMP %d\n", val);  in main()
439 		printf("%s: %s\n", "getsockopt SO_TIMESTAMPNS",  in main()
442 		printf("SO_TIMESTAMPNS %d\n", val);  in main()
445 		printf("%s: %s\n", "getsockopt SO_TIMESTAMPING",  in main()
448 		printf("SO_TIMESTAMPING %d\n", val);  in main()
450 			printf("   not the expected value %d\n",  in main()
477 			printf("%ld.%06ld: select %ldus\n",  in main()
482 			printf("%ld.%06ld: select returned: %d, %s\n",  in main()
488 					printf("ready for reading\n");  in main()
490 					printf("has error\n");  in main()