Cross Reference: /vbox/src/VBox/Devices/Network/slirp/ip

Lines Matching refs:ip
158  * ip here is ip header + 64bytes readed from ICMP packet
161 icmp_find_original_mbuf(PNATState pData, struct ip *ip)
164     struct ip *ip0;
182     LogFlowFunc(("ENTER: ip->ip_p:%d\n", ip->ip_p));
183     switch (ip->ip_p)
186             icp = (struct icmp *)((char *)ip + (ip->ip_hl << 2));
190                 ip0 = mtod(m0, struct ip *);
209                 if (  (   (icp->icmp_type != ICMP_ECHO && ip->ip_src.s_addr == ip0->ip_dst.s_addr)
210                        || (icp->icmp_type == ICMP_ECHO && ip->ip_dst.s_addr == ip0->ip_dst.s_addr))
228             udp = (struct udphdr *)((char *)ip + (ip->ip_hl << 2));
229             faddr.s_addr = ip->ip_dst.s_addr;
238                 tcp = (struct tcphdr *)((char *)ip + (ip->ip_hl << 2));
240                 faddr.s_addr = ip->ip_dst.s_addr;
269             Log(("NAT:ICMP: unsupported protocol(%d)\n", ip->ip_p));
343     struct ip *ip;
344     ip = mtod(m, struct ip *);
345     Assert(ip->ip_p == IPPROTO_ICMP);
363     register struct ip *ip = mtod(m, struct ip *);
364     int icmplen = ip->ip_len;
408             ip->ip_len += hlen;              /* since ip_input subtracts this */
409             dst = ip->ip_dst.s_addr;
417                 ip->ip_dst.s_addr = ip->ip_src.s_addr;
418                 ip->ip_src.s_addr = dst;
435                 if ((ip->ip_dst.s_addr & RT_H2N_U32(pData->netmask)) == pData->special_addr.s_addr)
438                     switch (RT_N2H_U32(ip->ip_dst.s_addr) & ~pData->netmask)
448                     addr.sin_addr.s_addr = ip->ip_dst.s_addr;
471                     ttl = ip->ip_ttl;
537  * It is reported as the bad ip packet.  The header should
543  * so the largest possible datagram is 14 (ethernet) + 20 (ip) +
544  * 8 (icmp) + 60 (max original ip with options) + 8 (original payload)
554     struct ip *oip, *ip;
571     oip = mtod(msrc, struct ip *);
581     AssertStmt(ohlen >= sizeof(struct ip), goto end_error);
609     ip = mtod(m, struct ip *);
610     m->m_pkthdr.header = (void *)ip;
612     /* fill in ip (ip_output0() does the boilerplate for us) */
613     ip->ip_tos = ((oip->ip_tos & 0x1E) | 0xC0);  /* high priority for errors */
614     /* ip->ip_len will be set later */
615     ip->ip_off = 0;
616     ip->ip_ttl = MAXTTL;
617     ip->ip_p = IPPROTO_ICMP;
618     ip->ip_src = alias_addr;
619     ip->ip_dst = oip->ip_src;
622     icp = (struct icmp *)((char *)ip + sizeof(*ip));
628     /* fill in icmp payload: original ip header plus 8 bytes of its payload */
641     /* hide ip header for icmp checksum calculation */
642     m->m_data += sizeof(struct ip);
648     /* reveal ip header */
649     m->m_data -= sizeof(struct ip);
650     m->m_len += sizeof(struct ip);
651     ip->ip_len = m->m_len;
682  * Reflect the ip packet back to the source
688     register struct ip *ip = mtod(m, struct ip *);
689     int hlen = ip->ip_hl << 2;
694      * Send an icmp packet back to the ip level,
702     icp->icmp_cksum = cksum(m, ip->ip_len - hlen);