sys/netinet/tcp_subr.c

369 static char *	tcp_log_addr(struct in_conninfo *inc, struct tcphdr *th,
2832 	struct in_conninfo inc;
2908 						bzero(&inc, sizeof(inc));
2909 						inc.inc_faddr = faddr;
2910 						inc.inc_fibnum =
2912 						tcp_hc_updatemtu(&inc, mtu);
2921 		bzero(&inc, sizeof(inc));
2922 		inc.inc_fport = th->th_dport;
2923 		inc.inc_lport = th->th_sport;
2924 		inc.inc_faddr = faddr;
2925 		inc.inc_laddr = ip->ip_src;
2926 		syncache_unreach(&inc, icmp_tcp_seq, port);
2991 	struct in_conninfo inc;
3091 					bzero(&inc, sizeof(inc));
3092 					inc.inc_fibnum = M_GETFIB(m);
3093 					inc.inc_flags |= INC_ISIPV6;
3094 					inc.inc6_faddr = *dst;
3095 					if (in6_setscope(&inc.inc6_faddr,
3105 						tcp_hc_updatemtu(&inc, mtu);
3115 		bzero(&inc, sizeof(inc));
3116 		inc.inc_fibnum = M_GETFIB(m);
3117 		inc.inc_flags |= INC_ISIPV6;
3118 		inc.inc_fport = t_ports.th_dport;
3119 		inc.inc_lport = t_ports.th_sport;
3120 		inc.inc6_faddr = *dst;
3121 		inc.inc6_laddr = ip6->ip6_src;
3122 		syncache_unreach(&inc, icmp_tcp_seq, port);
3164 tcp_keyed_hash(struct in_conninfo *inc, u_char *key, u_int len)
3173 	SipHash_Update(&ctx, &inc->inc_fport, sizeof(uint16_t));
3174 	SipHash_Update(&ctx, &inc->inc_lport, sizeof(uint16_t));
3175 	switch (inc->inc_flags & INC_ISIPV6) {
3178 		SipHash_Update(&ctx, &inc->inc_faddr, sizeof(struct in_addr));
3179 		SipHash_Update(&ctx, &inc->inc_laddr, sizeof(struct in_addr));
3184 		SipHash_Update(&ctx, &inc->inc6_faddr, sizeof(struct in6_addr));
3185 		SipHash_Update(&ctx, &inc->inc6_laddr, sizeof(struct in6_addr));
3195 tcp_new_ts_offset(struct in_conninfo *inc)
3200 		memcpy(&inc_store, inc, sizeof(struct in_conninfo));
3205 		local_inc = inc;
3273 tcp_new_isn(struct in_conninfo *inc)
3288 	new_isn = (tcp_seq)tcp_keyed_hash(inc, V_isn_secret,
3400 tcp_maxmtu(struct in_conninfo *inc, struct tcp_ifcap *cap)
3406 	KASSERT(inc != NULL, ("tcp_maxmtu with NULL in_conninfo pointer"));
3408 	if (inc->inc_faddr.s_addr != INADDR_ANY) {
3409 		nh = fib4_lookup(inc->inc_fibnum, inc->inc_faddr, 0, NHR_NONE, 0);
3433 tcp_maxmtu6(struct in_conninfo *inc, struct tcp_ifcap *cap)
3441 	KASSERT(inc != NULL, ("tcp_maxmtu6 with NULL in_conninfo pointer"));
3443 	if (inc->inc_flags & INC_IPV6MINMTU)
3446 	if (!IN6_IS_ADDR_UNSPECIFIED(&inc->inc6_faddr)) {
3447 		in6_splitscope(&inc->inc6_faddr, &dst6, &scopeid);
3448 		nh = fib6_lookup(inc->inc_fibnum, &dst6, scopeid, NHR_NONE, 0);
3816 tcp_log_vain(struct in_conninfo *inc, struct tcphdr *th, void *ip4hdr,
3824 	return (tcp_log_addr(inc, th, ip4hdr, ip6hdr));
3828 tcp_log_addrs(struct in_conninfo *inc, struct tcphdr *th, void *ip4hdr,
3836 	return (tcp_log_addr(inc, th, ip4hdr, ip6hdr));
3840 tcp_log_addr(struct in_conninfo *inc, struct tcphdr *th, void *ip4hdr,
3872 	if (inc && ((inc->inc_flags & INC_ISIPV6) == 0)) {
3873 		inet_ntoa_r(inc->inc_faddr, sp);
3875 		sprintf(sp, "]:%i to [", ntohs(inc->inc_fport));
3877 		inet_ntoa_r(inc->inc_laddr, sp);
3879 		sprintf(sp, "]:%i", ntohs(inc->inc_lport));
3881 	} else if (inc) {
3882 		ip6_sprintf(sp, &inc->inc6_faddr);
3884 		sprintf(sp, "]:%i to [", ntohs(inc->inc_fport));
3886 		ip6_sprintf(sp, &inc->inc6_laddr);
3888 		sprintf(sp, "]:%i", ntohs(inc->inc_lport));