Current Path : /usr/src/contrib/ipfilter/ipsend/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //usr/src/contrib/ipfilter/ipsend/ip_var.h |
/* $FreeBSD: release/9.1.0/contrib/ipfilter/ipsend/ip_var.h 145519 2005-04-25 18:20:15Z darrenr $ */ /* @(#)ip_var.h 1.11 88/08/19 SMI; from UCB 7.1 6/5/86 */ /* * Copyright (c) 1982, 1986 Regents of the University of California. * All rights reserved. The Berkeley software License Agreement * specifies the terms and conditions for redistribution. */ /* * Overlay for ip header used by other protocols (tcp, udp). */ #ifndef _netinet_ip_var_h #define _netinet_ip_var_h struct ipovly { caddr_t ih_next, ih_prev; /* for protocol sequence q's */ u_char ih_x1; /* (unused) */ u_char ih_pr; /* protocol */ short ih_len; /* protocol length */ struct in_addr ih_src; /* source internet address */ struct in_addr ih_dst; /* destination internet address */ }; /* * Ip reassembly queue structure. Each fragment * being reassembled is attached to one of these structures. * They are timed out after ipq_ttl drops to 0, and may also * be reclaimed if memory becomes tight. */ struct ipq { struct ipq *next,*prev; /* to other reass headers */ u_char ipq_ttl; /* time for reass q to live */ u_char ipq_p; /* protocol of this fragment */ u_short ipq_id; /* sequence id for reassembly */ struct ipasfrag *ipq_next,*ipq_prev; /* to ip headers of fragments */ struct in_addr ipq_src,ipq_dst; }; /* * Ip header, when holding a fragment. * * Note: ipf_next must be at same offset as ipq_next above */ struct ipasfrag { #if defined(vax) || defined(i386) u_char ip_hl:4, ip_v:4; #endif #if defined(mc68000) || defined(sparc) u_char ip_v:4, ip_hl:4; #endif u_char ipf_mff; /* copied from (ip_off&IP_MF) */ short ip_len; u_short ip_id; short ip_off; u_char ip_ttl; u_char ip_p; u_short ip_sum; struct ipasfrag *ipf_next; /* next fragment */ struct ipasfrag *ipf_prev; /* previous fragment */ }; /* * Structure stored in mbuf in inpcb.ip_options * and passed to ip_output when ip options are in use. * The actual length of the options (including ipopt_dst) * is in m_len. */ #define MAX_IPOPTLEN 40 struct ipoption { struct in_addr ipopt_dst; /* first-hop dst if source routed */ char ipopt_list[MAX_IPOPTLEN]; /* options proper */ }; /* * Structure stored in an mbuf attached to inpcb.ip_moptions and * passed to ip_output when IP multicast options are in use. */ struct ip_moptions { struct ifnet *imo_multicast_ifp; /* ifp for outgoing multicasts */ u_char imo_multicast_ttl; /* TTL for outgoing multicasts */ u_char imo_multicast_loop; /* 1 => hear sends if a member */ u_short imo_num_memberships;/* no. memberships this socket */ struct in_multi *imo_membership[IP_MAX_MEMBERSHIPS]; #ifdef RSVP_ISI long imo_multicast_vif; /* vif for outgoing multicasts */ #endif /* RSVP_ISI */ }; struct ipstat { long ips_total; /* total packets received */ long ips_badsum; /* checksum bad */ long ips_tooshort; /* packet too short */ long ips_toosmall; /* not enough data */ long ips_badhlen; /* ip header length < data size */ long ips_badlen; /* ip length < ip header length */ long ips_fragments; /* fragments received */ long ips_fragdropped; /* frags dropped (dups, out of space) */ long ips_fragtimeout; /* fragments timed out */ long ips_forward; /* packets forwarded */ long ips_cantforward; /* packets rcvd for unreachable dest */ long ips_redirectsent; /* packets forwarded on same net */ }; #ifdef KERNEL /* flags passed to ip_output as last parameter */ #define IP_FORWARDING 0x1 /* most of ip header exists */ #define IP_MULTICASTOPTS 0x2 /* multicast opts present */ #define IP_ROUTETOIF SO_DONTROUTE /* bypass routing tables */ #define IP_ALLOWBROADCAST SO_BROADCAST /* can send broadcast packets */ struct ipstat ipstat; struct ipq ipq; /* ip reass. queue */ u_short ip_id; /* ip packet ctr, for ids */ struct mbuf *ip_srcroute(); #endif #endif /*!_netinet_ip_var_h*/