bsd/netinet6/ah_input.c

86 #include <netinet/ip.h>
132 	struct ip *ip;
159 	ip = mtod(m, struct ip *);
160 	ah = (struct ah *)(void *)(((caddr_t)ip) + off);
165 	ip = mtod(m, struct ip *);
176 	hlen = IP_VHL_HL(ip->ip_vhl) << 2;
178 	hlen = ip->ip_hl << 2;
185 	                      (caddr_t)&ip->ip_src, (caddr_t)&ip->ip_dst,
249 		    ipsec4_logpacketstr(ip, spi)));
257 		    ipsec4_logpacketstr(ip, spi)));
273 		ip = mtod(m, struct ip *);
274 		ah = (struct ah *)(void *)(((caddr_t)ip) + off);
297 			    ipsec4_logpacketstr(ip, spi), ipsec_logsastr(sav)));
318 	ip->ip_len = htons(ip->ip_len + hlen);
319 	ip->ip_off = htons(ip->ip_off);
329 	ip->ip_len = ntohs(ip->ip_len) - hlen;
330 	ip->ip_off = ntohs(ip->ip_off);
346 		    ipsec4_logpacketstr(ip, spi), ipsec_logsastr(sav)));
364 		struct ip *nip;
380 		nip = (struct ip *)((u_char *)(ah + 1) + sizoff + siz1);
381 		if (nip->ip_src.s_addr != ip->ip_src.s_addr
382 		 || nip->ip_dst.s_addr != ip->ip_dst.s_addr) {
405 		    ipsec4_logpacketstr(ip, spi), ipsec_logsastr(sav)));
446 		tos = ip->ip_tos;
448 		if (m->m_len < sizeof(*ip)) {
449 			m = m_pullup(m, sizeof(*ip));
455 		ip = mtod(m, struct ip *);
457 		ip_ecn_egress(ip4_ipsec_ecn, &tos, &ip->ip_tos);
459 			    (caddr_t)&ip->ip_src, (caddr_t)&ip->ip_dst)) {
462 			    ipsec4_logpacketstr(ip, spi), ipsec_logsastr(sav)));
505 			ipaddr->sin_addr = ip->ip_dst;
522 		ip = mtod(m, struct ip *);
528 		ovbcopy((caddr_t)ip, (caddr_t)(((u_char *)ip) + stripsiz), off);
538 			ovbcopy((caddr_t)ip, ((caddr_t)ip) + stripsiz, off);
561 		if (m->m_len < sizeof(*ip)) {
562 			m = m_pullup(m, sizeof(*ip));
568 		ip = mtod(m, struct ip *);
570 		ip->ip_len = ip->ip_len - stripsiz;
572 		ip->ip_len = htons(ntohs(ip->ip_len) - stripsiz);
574 		ip->ip_p = nxt;
584                         struct ip *, ip, struct ifnet *, m->m_pkthdr.rcvif,
585                         struct ip *, ip, struct ip6_hdr *, NULL);