sys/netinet/tcp_syncache.c

150 static int	 syncookie_cmp(struct in_conninfo *inc, struct syncache_head *sch,
516 syncache_lookup(struct in_conninfo *inc, struct syncache_head **schp)
529 	hash = jenkins_hash32((uint32_t *)&inc->inc_ie, 5,
538 		if (bcmp(&inc->inc_ie, &sc->sc_inc.inc_ie,
552 syncache_chkrst(struct in_conninfo *inc, struct tcphdr *th, struct mbuf *m)
558 	sc = syncache_lookup(inc, &sch);	/* returns locked sch */
566 		if ((s = tcp_log_addrs(inc, th, NULL, NULL)))
582 		if ((s = tcp_log_addrs(inc, th, NULL, NULL)))
622 			if ((s = tcp_log_addrs(inc, th, NULL, NULL)))
632 			if ((s = tcp_log_addrs(inc, th, NULL, NULL)))
641 		if ((s = tcp_log_addrs(inc, th, NULL, NULL)))
656 syncache_badack(struct in_conninfo *inc)
661 	sc = syncache_lookup(inc, &sch);	/* returns locked sch */
671 syncache_unreach(struct in_conninfo *inc, tcp_seq th_seq)
676 	sc = syncache_lookup(inc, &sch);	/* returns locked sch */
1003 syncache_expand(struct in_conninfo *inc, struct tcpopt *to, struct tcphdr *th,
1019 	sc = syncache_lookup(inc, &sch);	/* returns locked sch */
1028 		syncookie_cmp(inc, sch, sc, th, to, *lsop);
1046 			if ((s = tcp_log_addrs(inc, th, NULL, NULL)))
1055 			if ((s = tcp_log_addrs(inc, th, NULL, NULL)))
1062 		sc = syncookie_lookup(inc, sch, &scs, th, to, *lsop);
1065 			if ((s = tcp_log_addrs(inc, th, NULL, NULL)))
1077 			if ((s = tcp_log_addrs(inc, th, NULL, NULL))) {
1100 				if ((s = tcp_log_addrs(inc, th, NULL, NULL))) {
1112 				if ((s = tcp_log_addrs(inc, th, NULL, NULL))) {
1134 			if ((s = tcp_log_addrs(inc, th, NULL, NULL))) {
1152 			if ((s = tcp_log_addrs(inc, th, NULL, NULL))) {
1170 				if ((s = tcp_log_addrs(inc, th, NULL, NULL))) {
1179 				if ((s = tcp_log_addrs(inc, th, NULL, NULL))) {
1217 		if ((s = tcp_log_addrs(inc, th, NULL, NULL)))
1229 		if ((s = tcp_log_addrs(inc, th, NULL, NULL)))
1307 syncache_add(struct in_conninfo *inc, struct tcpopt *to, struct tcphdr *th,
1347 	if (inc->inc_flags & INC_ISIPV6) {
1385 			result = tcp_fastopen_check_cookie(inc,
1417 	if (!(inc->inc_flags & INC_ISIPV6))
1453 	sc = syncache_lookup(inc, &sch);	/* returns locked entry */
1553 	bcopy(inc, &sc->sc_inc, sizeof(struct in_conninfo));
1581 			sc->sc_tsoff = tcp_new_ts_offset(inc);
2043 syncookie_mac(struct in_conninfo *inc, tcp_seq irs, uint8_t flags,
2051 	switch (inc->inc_flags & INC_ISIPV6) {
2054 		SipHash_Update(&ctx, &inc->inc_faddr, sizeof(inc->inc_faddr));
2055 		SipHash_Update(&ctx, &inc->inc_laddr, sizeof(inc->inc_laddr));
2060 		SipHash_Update(&ctx, &inc->inc6_faddr, sizeof(inc->inc6_faddr));
2061 		SipHash_Update(&ctx, &inc->inc6_laddr, sizeof(inc->inc6_laddr));
2065 	SipHash_Update(&ctx, &inc->inc_fport, sizeof(inc->inc_fport));
2066 	SipHash_Update(&ctx, &inc->inc_lport, sizeof(inc->inc_lport));
2133 syncookie_lookup(struct in_conninfo *inc, struct syncache_head *sch,
2161 	hash = syncookie_mac(inc, seq, cookie.cookie, secbits, (uintptr_t)sch);
2169 	bcopy(inc, &sc->sc_inc, sizeof(struct in_conninfo));
2175 	switch (inc->inc_flags & INC_ISIPV6) {
2215 		sc->sc_tsoff = tcp_new_ts_offset(inc);
2229 syncookie_cmp(struct in_conninfo *inc, struct syncache_head *sch,
2237 	scx = syncookie_lookup(inc, sch, &scs, th, to, lso);
2239 	if ((s = tcp_log_addrs(inc, th, NULL, NULL)) == NULL)