network/traceroute/traceroute.c

300 	u_char seq;		/* sequence number of this packet */
442 		"spt dpt seq     ack     xxflwin sum urp",
505 	register int seq = 0;
1048 			outdata.seq = ++seq;
1057 			send_probe(seq, ttl);
1066 				i = packet_ok(packet, cc, from, seq);
1284 send_probe(int seq, int ttl)
1289 	outip->ip_id = htons(ident + seq);
1391     register int seq)
1422 	    && (*proto->check)((u_char *)icp, (u_char)seq))
1434 		    && (*proto->check)(inner, (u_char)seq))
1459 	icmpheader->icmp_seq = htons(outdata->seq);
1467 icmp_check(const u_char *data, int seq)
1472 	    && icmpheader->icmp_seq == htons(seq));
1480 	outudp->uh_sport = htons(ident + (fixedPort ? outdata->seq : 0));
1481 	outudp->uh_dport = htons(port + (fixedPort ? 0 : outdata->seq));
1493 udp_check(const u_char *data, int seq)
1497 	return (ntohs(udp->uh_sport) == ident + (fixedPort ? seq : 0) &&
1498 	    ntohs(udp->uh_dport) == port + (fixedPort ? 0 : seq));
1506 	outudp->uh_sport = htons(ident + (fixedPort ? outdata->seq : 0));
1507 	outudp->uh_dport = htons(port + (fixedPort ? 0 : outdata->seq));
1519 udplite_check(const u_char *data, int seq)
1523 	return (ntohs(udp->uh_sport) == ident + (fixedPort ? seq : 0) &&
1524 	    ntohs(udp->uh_dport) == port + (fixedPort ? 0 : seq));
1533 	tcp->th_dport = htons(port + (fixedPort ? 0 : outdata->seq));
1545 tcp_check(const u_char *data, int seq)
1550 	    && ntohs(tcp->th_dport) == port + (fixedPort ? 0 : seq)
1564 	sctp->dest_port = htons(port + (fixedPort ? 0 : outdata->seq));
1631 sctp_check(const u_char *data, int seq)
1636 	    ntohs(sctp->dest_port) != port + (fixedPort ? 0 : seq))
1660 	gre->callId = htons(ident + outdata->seq);
1664 gre_check(const u_char *data, int seq)
1669 	    && ntohs(gre->callId) == ident + seq);
1678 	ptr[1] = htons(port + outdata->seq);
1682 gen_check(const u_char *data, int seq)
1687 	    && ntohs(ptr[1]) == port + seq);