ipfw/nat64/nat64_translate.c

285 nat64_check_private_ip4(const struct nat64_config *cfg, in_addr_t ia)
288 	if (cfg->flags & NAT64_ALLOW_PRIVATE)
292 	if (cfg->flags & NAT64_WKPFX) {
845     int offset, struct nat64_config *cfg)
860 		NAT64STAT_INC(&cfg->stats, nomem);
1000 	    nat64_check_private_ip4(cfg, ip.ip_src.s_addr) != 0 ||
1001 	    nat64_check_private_ip4(cfg, ip.ip_dst.s_addr) != 0) {
1036 		NAT64STAT_INC(&cfg->stats, nomem);
1051 	MPASS(cfg->flags & NAT64_PLATPFX);
1052 	nat64_embed_ip4(&eip6->ip6_dst, cfg->plat_plen, ip.ip_dst.s_addr);
1122 	NAT64STAT_INC(&cfg->stats, dropped);
1170     struct in6_addr *daddr, uint16_t lport, struct nat64_config *cfg,
1187 		    ICMP_TIMXCEED_INTRANS, 0, &cfg->stats, logdata);
1205 		    ICMP_PARAMPROB_LENGTH, 0, &cfg->stats, logdata);
1211 		NAT64STAT_INC(&cfg->stats, dropped);
1217 		NAT64STAT_INC(&cfg->stats, noroute6);
1219 		    &cfg->stats, logdata);
1225 		    FRAGSZ(nh.nh_mtu) + sizeof(struct ip), &cfg->stats, logdata);
1264 		m = nat64_icmp_translate(m, &ip6, lport, hlen, cfg);
1271 	nat64_fragment6(&cfg->stats, &ip6, &mq, m, nh.nh_mtu, ip_id, ip_off);
1274 		    &cfg->stats, logdata) != 0)
1276 		NAT64STAT_INC(&cfg->stats, opcnt46);
1284     struct nat64_config *cfg, void *logdata)
1304 			NAT64STAT_INC(&cfg->stats, dropped);
1334 			NAT64STAT_INC(&cfg->stats, dropped);
1346 			NAT64STAT_INC(&cfg->stats, dropped);
1391 				NAT64STAT_INC(&cfg->stats, dropped);
1402 			NAT64STAT_INC(&cfg->stats, dropped);
1409 		NAT64STAT_INC(&cfg->stats, dropped);
1415 		NAT64STAT_INC(&cfg->stats, dropped);
1442 		NAT64STAT_INC(&cfg->stats, nomem);
1481 	ip.ip_src.s_addr = nat64_extract_ip4(&ip6i->ip6_src, cfg->plat_plen);
1490 	nat64_icmp_reflect(m, type, code, (uint16_t)mtu, &cfg->stats,
1499 	NAT64STAT_INC(&cfg->stats, dropped);
1505     struct nat64_config *cfg, void *logdata)
1532 		NAT64STAT_INC(&cfg->stats, dropped);
1536 	ip.ip_dst.s_addr = nat64_extract_ip4(&ip6->ip6_dst, cfg->plat_plen);
1538 		NAT64STAT_INC(&cfg->stats, dropped);
1544 		    ICMP6_TIME_EXCEED_TRANSIT, 0, &cfg->stats, logdata);
1553 		NAT64STAT_INC(&cfg->stats, dropped);
1562 			NAT64STAT_INC(&cfg->stats, dropped);
1571 			NAT64STAT_INC(&cfg->stats, dropped);
1579 			    offsetof(struct ip6_hdr, ip6_plen), &cfg->stats,
1588 		NAT64STAT_INC(&cfg->stats, dropped);
1598 			    cfg, logdata));
1602 		NAT64STAT_INC(&cfg->stats, noroute4);
1604 		    ICMP6_DST_UNREACH_NOROUTE, 0, &cfg->stats, logdata);
1609 		    &cfg->stats, logdata);
1663 	    &cfg->stats, logdata) == 0)
1664 		NAT64STAT_INC(&cfg->stats, opcnt64);