ip6_var.h revision 1.2.2.2
1 1.2.2.2 thorpej /* 2 1.2.2.2 thorpej * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 3 1.2.2.2 thorpej * All rights reserved. 4 1.2.2.2 thorpej * 5 1.2.2.2 thorpej * Redistribution and use in source and binary forms, with or without 6 1.2.2.2 thorpej * modification, are permitted provided that the following conditions 7 1.2.2.2 thorpej * are met: 8 1.2.2.2 thorpej * 1. Redistributions of source code must retain the above copyright 9 1.2.2.2 thorpej * notice, this list of conditions and the following disclaimer. 10 1.2.2.2 thorpej * 2. Redistributions in binary form must reproduce the above copyright 11 1.2.2.2 thorpej * notice, this list of conditions and the following disclaimer in the 12 1.2.2.2 thorpej * documentation and/or other materials provided with the distribution. 13 1.2.2.2 thorpej * 3. Neither the name of the project nor the names of its contributors 14 1.2.2.2 thorpej * may be used to endorse or promote products derived from this software 15 1.2.2.2 thorpej * without specific prior written permission. 16 1.2.2.2 thorpej * 17 1.2.2.2 thorpej * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 18 1.2.2.2 thorpej * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 1.2.2.2 thorpej * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 1.2.2.2 thorpej * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 21 1.2.2.2 thorpej * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 1.2.2.2 thorpej * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 1.2.2.2 thorpej * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 1.2.2.2 thorpej * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 1.2.2.2 thorpej * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 1.2.2.2 thorpej * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 1.2.2.2 thorpej * SUCH DAMAGE. 28 1.2.2.2 thorpej */ 29 1.2.2.2 thorpej 30 1.2.2.2 thorpej /* 31 1.2.2.2 thorpej * Copyright (c) 1982, 1986, 1993 32 1.2.2.2 thorpej * The Regents of the University of California. All rights reserved. 33 1.2.2.2 thorpej * 34 1.2.2.2 thorpej * Redistribution and use in source and binary forms, with or without 35 1.2.2.2 thorpej * modification, are permitted provided that the following conditions 36 1.2.2.2 thorpej * are met: 37 1.2.2.2 thorpej * 1. Redistributions of source code must retain the above copyright 38 1.2.2.2 thorpej * notice, this list of conditions and the following disclaimer. 39 1.2.2.2 thorpej * 2. Redistributions in binary form must reproduce the above copyright 40 1.2.2.2 thorpej * notice, this list of conditions and the following disclaimer in the 41 1.2.2.2 thorpej * documentation and/or other materials provided with the distribution. 42 1.2.2.2 thorpej * 3. All advertising materials mentioning features or use of this software 43 1.2.2.2 thorpej * must display the following acknowledgement: 44 1.2.2.2 thorpej * This product includes software developed by the University of 45 1.2.2.2 thorpej * California, Berkeley and its contributors. 46 1.2.2.2 thorpej * 4. Neither the name of the University nor the names of its contributors 47 1.2.2.2 thorpej * may be used to endorse or promote products derived from this software 48 1.2.2.2 thorpej * without specific prior written permission. 49 1.2.2.2 thorpej * 50 1.2.2.2 thorpej * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 51 1.2.2.2 thorpej * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 52 1.2.2.2 thorpej * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 53 1.2.2.2 thorpej * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 54 1.2.2.2 thorpej * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 55 1.2.2.2 thorpej * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 56 1.2.2.2 thorpej * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 57 1.2.2.2 thorpej * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 58 1.2.2.2 thorpej * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 59 1.2.2.2 thorpej * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 60 1.2.2.2 thorpej * SUCH DAMAGE. 61 1.2.2.2 thorpej * 62 1.2.2.2 thorpej * @(#)ip_var.h 8.1 (Berkeley) 6/10/93 63 1.2.2.2 thorpej */ 64 1.2.2.2 thorpej 65 1.2.2.2 thorpej #ifndef _NETINET6_IP6_VAR_H_ 66 1.2.2.2 thorpej #define _NETINET6_IP6_VAR_H_ 67 1.2.2.2 thorpej 68 1.2.2.2 thorpej /* 69 1.2.2.2 thorpej * IP6 reassembly queue structure. Each fragment 70 1.2.2.2 thorpej * being reassembled is attached to one of these structures. 71 1.2.2.2 thorpej */ 72 1.2.2.2 thorpej struct ip6q { 73 1.2.2.2 thorpej u_long ip6q_head; 74 1.2.2.2 thorpej u_short ip6q_len; 75 1.2.2.2 thorpej u_char ip6q_nxt; 76 1.2.2.2 thorpej u_char ip6q_hlim; 77 1.2.2.2 thorpej struct ip6asfrag *ip6q_down; 78 1.2.2.2 thorpej struct ip6asfrag *ip6q_up; 79 1.2.2.2 thorpej u_long ip6q_ident; 80 1.2.2.2 thorpej u_char ip6q_arrive; 81 1.2.2.2 thorpej u_char ip6q_ttl; 82 1.2.2.2 thorpej struct in6_addr ip6q_src, ip6q_dst; 83 1.2.2.2 thorpej struct ip6q *ip6q_next; 84 1.2.2.2 thorpej struct ip6q *ip6q_prev; 85 1.2.2.2 thorpej int ip6q_unfrglen; 86 1.2.2.2 thorpej #ifdef notyet 87 1.2.2.2 thorpej u_char *ip6q_nxtp; 88 1.2.2.2 thorpej #endif 89 1.2.2.2 thorpej }; 90 1.2.2.2 thorpej 91 1.2.2.2 thorpej struct ip6asfrag { 92 1.2.2.2 thorpej u_long ip6af_head; 93 1.2.2.2 thorpej u_short ip6af_len; 94 1.2.2.2 thorpej u_char ip6af_nxt; 95 1.2.2.2 thorpej u_char ip6af_hlim; 96 1.2.2.2 thorpej /* must not override the above members during reassembling */ 97 1.2.2.2 thorpej struct ip6asfrag *ip6af_down; 98 1.2.2.2 thorpej struct ip6asfrag *ip6af_up; 99 1.2.2.2 thorpej u_short ip6af_mff; 100 1.2.2.2 thorpej u_short ip6af_off; 101 1.2.2.2 thorpej struct mbuf *ip6af_m; 102 1.2.2.2 thorpej u_long ip6af_offset; /* offset where next header starts */ 103 1.2.2.2 thorpej u_short ip6af_frglen; /* fragmentable part length */ 104 1.2.2.2 thorpej u_char ip6af_x1[10]; 105 1.2.2.2 thorpej }; 106 1.2.2.2 thorpej 107 1.2.2.2 thorpej #define IP6_REASS_MBUF(ip6af) (*(struct mbuf **)&((ip6af)->ip6af_m)) 108 1.2.2.2 thorpej 109 1.2.2.2 thorpej struct ip6_moptions { 110 1.2.2.2 thorpej struct ifnet *im6o_multicast_ifp; /* ifp for outgoing multicasts */ 111 1.2.2.2 thorpej u_char im6o_multicast_hlim; /* hoplimit for outgoing multicasts */ 112 1.2.2.2 thorpej u_char im6o_multicast_loop; /* 1 >= hear sends if a member */ 113 1.2.2.2 thorpej LIST_HEAD(, in6_multi_mship) im6o_memberships; 114 1.2.2.2 thorpej }; 115 1.2.2.2 thorpej 116 1.2.2.2 thorpej /* 117 1.2.2.2 thorpej * Control options for outgoing packets 118 1.2.2.2 thorpej */ 119 1.2.2.2 thorpej 120 1.2.2.2 thorpej /* Routing header related info */ 121 1.2.2.2 thorpej struct ip6po_rhinfo { 122 1.2.2.2 thorpej struct ip6_rthdr *ip6po_rhi_rthdr; /* Routing header */ 123 1.2.2.2 thorpej struct route_in6 ip6po_rhi_route; /* Route to the 1st hop */ 124 1.2.2.2 thorpej }; 125 1.2.2.2 thorpej #define ip6po_rthdr ip6po_rhinfo.ip6po_rhi_rthdr 126 1.2.2.2 thorpej #define ip6po_route ip6po_rhinfo.ip6po_rhi_route 127 1.2.2.2 thorpej 128 1.2.2.2 thorpej struct ip6_pktopts { 129 1.2.2.2 thorpej struct mbuf *ip6po_m; /* Pointer to mbuf storing the data */ 130 1.2.2.2 thorpej int ip6po_hlim; /* Hoplimit for outgoing packets */ 131 1.2.2.2 thorpej struct in6_pktinfo *ip6po_pktinfo; /* Outgoing IF/address information */ 132 1.2.2.2 thorpej struct sockaddr *ip6po_nexthop; /* Next-hop address */ 133 1.2.2.2 thorpej struct ip6_hbh *ip6po_hbh; /* Hop-by-Hop options header */ 134 1.2.2.2 thorpej struct ip6_dest *ip6po_dest1; /* Destination options header(1st part) */ 135 1.2.2.2 thorpej struct ip6po_rhinfo ip6po_rhinfo; /* Routing header related info. */ 136 1.2.2.2 thorpej struct ip6_dest *ip6po_dest2; /* Destination options header(2nd part) */ 137 1.2.2.2 thorpej }; 138 1.2.2.2 thorpej 139 1.2.2.2 thorpej struct ip6stat { 140 1.2.2.2 thorpej u_long ip6s_total; /* total packets received */ 141 1.2.2.2 thorpej u_long ip6s_tooshort; /* packet too short */ 142 1.2.2.2 thorpej u_long ip6s_toosmall; /* not enough data */ 143 1.2.2.2 thorpej u_long ip6s_fragments; /* fragments received */ 144 1.2.2.2 thorpej u_long ip6s_fragdropped; /* frags dropped(dups, out of space) */ 145 1.2.2.2 thorpej u_long ip6s_fragtimeout; /* fragments timed out */ 146 1.2.2.2 thorpej u_long ip6s_fragoverflow; /* fragments that exceeded limit */ 147 1.2.2.2 thorpej u_long ip6s_forward; /* packets forwarded */ 148 1.2.2.2 thorpej u_long ip6s_cantforward; /* packets rcvd for unreachable dest */ 149 1.2.2.2 thorpej u_long ip6s_redirectsent; /* packets forwarded on same net */ 150 1.2.2.2 thorpej u_long ip6s_delivered; /* datagrams delivered to upper level*/ 151 1.2.2.2 thorpej u_long ip6s_localout; /* total ip packets generated here */ 152 1.2.2.2 thorpej u_long ip6s_odropped; /* lost packets due to nobufs, etc. */ 153 1.2.2.2 thorpej u_long ip6s_reassembled; /* total packets reassembled ok */ 154 1.2.2.2 thorpej u_long ip6s_fragmented; /* datagrams sucessfully fragmented */ 155 1.2.2.2 thorpej u_long ip6s_ofragments; /* output fragments created */ 156 1.2.2.2 thorpej u_long ip6s_cantfrag; /* don't fragment flag was set, etc. */ 157 1.2.2.2 thorpej u_long ip6s_badoptions; /* error in option processing */ 158 1.2.2.2 thorpej u_long ip6s_noroute; /* packets discarded due to no route */ 159 1.2.2.2 thorpej u_long ip6s_badvers; /* ip6 version != 6 */ 160 1.2.2.2 thorpej u_long ip6s_rawout; /* total raw ip packets generated */ 161 1.2.2.2 thorpej u_long ip6s_badscope; /* scope error */ 162 1.2.2.2 thorpej u_long ip6s_notmember; /* don't join this multicast group */ 163 1.2.2.2 thorpej u_long ip6s_nxthist[256]; /* next header history */ 164 1.2.2.2 thorpej u_long ip6s_m1; /* one mbuf */ 165 1.2.2.2 thorpej u_long ip6s_m2m[32]; /* two or more mbuf */ 166 1.2.2.2 thorpej u_long ip6s_mext1; /* one ext mbuf */ 167 1.2.2.2 thorpej u_long ip6s_mext2m; /* two or more ext mbuf */ 168 1.2.2.2 thorpej u_long ip6s_exthdrtoolong; /* ext hdr are not continuous */ 169 1.2.2.2 thorpej u_long ip6s_nogif; /* no match gif found */ 170 1.2.2.2 thorpej u_long ip6s_toomanyhdr; /* discarded due to too many headers */ 171 1.2.2.2 thorpej }; 172 1.2.2.2 thorpej 173 1.2.2.2 thorpej #ifdef _KERNEL 174 1.2.2.2 thorpej /* flags passed to ip6_output as last parameter */ 175 1.2.2.2 thorpej #define IPV6_DADOUTPUT 0x01 /* DAD */ 176 1.2.2.2 thorpej #define IPV6_FORWARDING 0x02 /* most of IPv6 header exists */ 177 1.2.2.2 thorpej 178 1.2.2.2 thorpej extern struct ip6stat ip6stat; /* statistics */ 179 1.2.2.2 thorpej extern u_long ip6_id; /* fragment identifier */ 180 1.2.2.2 thorpej extern int ip6_defhlim; /* default hop limit */ 181 1.2.2.2 thorpej extern int ip6_defmcasthlim; /* default multicast hop limit */ 182 1.2.2.2 thorpej extern int ip6_forwarding; /* act as router? */ 183 1.2.2.2 thorpej extern int ip6_forward_srcrt; /* forward src-routed? */ 184 1.2.2.2 thorpej extern int ip6_gif_hlim; /* Hop limit for gif encap packet */ 185 1.2.2.2 thorpej extern struct socket *ip6_mrouter; /* multicast routing daemon */ 186 1.2.2.2 thorpej extern int ip6_sendredirects; /* send IP redirects when forwarding? */ 187 1.2.2.2 thorpej extern int ip6_maxfragpackets; /* Maximum packets in reassembly queue */ 188 1.2.2.2 thorpej extern int ip6_sourcecheck; /* Verify source interface */ 189 1.2.2.2 thorpej extern int ip6_sourcecheck_interval; /* Interval between log messages */ 190 1.2.2.2 thorpej extern int ip6_accept_rtadv; /* Acts as a host not a router */ 191 1.2.2.2 thorpej extern int ip6_keepfaith; /* Firewall Aided Internet Translator */ 192 1.2.2.2 thorpej extern int ip6_log_interval; 193 1.2.2.2 thorpej extern time_t ip6_log_time; 194 1.2.2.2 thorpej extern int ip6_hdrnestlimit; /* upper limit of # of extension headers */ 195 1.2.2.2 thorpej extern int ip6_dad_count; /* DupAddrDetectionTransmits */ 196 1.2.2.2 thorpej 197 1.2.2.2 thorpej extern u_int32_t ip6_flow_seq; 198 1.2.2.2 thorpej extern int ip6_auto_flowlabel; 199 1.2.2.2 thorpej 200 1.2.2.2 thorpej #if !defined(__FreeBSD__) || __FreeBSD__ < 3 201 1.2.2.2 thorpej struct in6pcb; 202 1.2.2.2 thorpej #endif 203 1.2.2.2 thorpej 204 1.2.2.2 thorpej int icmp6_ctloutput __P((int, struct socket *, int, int, struct mbuf **)); 205 1.2.2.2 thorpej void ip6_init __P((void)); 206 1.2.2.2 thorpej void ip6intr __P((void)); 207 1.2.2.2 thorpej void ip6_input __P((struct mbuf *)); 208 1.2.2.2 thorpej void ip6_freemoptions __P((struct ip6_moptions *)); 209 1.2.2.2 thorpej int ip6_unknown_opt __P((u_int8_t *, struct mbuf *, int)); 210 1.2.2.2 thorpej char * ip6_get_prevhdr __P((struct mbuf *, int)); 211 1.2.2.2 thorpej int ip6_mforward __P((struct ip6_hdr *, struct ifnet *, struct mbuf *)); 212 1.2.2.2 thorpej int ip6_process_hopopts __P((struct mbuf *, u_int8_t *, int, long *, 213 1.2.2.2 thorpej u_int32_t *)); 214 1.2.2.2 thorpej void ip6_savecontrol __P((struct in6pcb *, struct mbuf **, struct ip6_hdr *, 215 1.2.2.2 thorpej struct mbuf *)); 216 1.2.2.2 thorpej int ip6_sysctl __P((int *, u_int, void *, size_t *, void *, size_t)); 217 1.2.2.2 thorpej 218 1.2.2.2 thorpej void ip6_forward __P((struct mbuf *, int)); 219 1.2.2.2 thorpej 220 1.2.2.2 thorpej void ip6_mloopback __P((struct ifnet *, struct mbuf *, struct sockaddr_in6 *)); 221 1.2.2.2 thorpej int ip6_output __P((struct mbuf *, struct ip6_pktopts *, 222 1.2.2.2 thorpej struct route_in6 *, int, 223 1.2.2.2 thorpej struct ip6_moptions *)); 224 1.2.2.2 thorpej int ip6_ctloutput __P((int, struct socket *, int, int, struct mbuf **)); 225 1.2.2.2 thorpej int ip6_setpktoptions __P((struct mbuf *, struct ip6_pktopts *, int)); 226 1.2.2.2 thorpej int ip6_optlen __P((struct in6pcb *)); 227 1.2.2.2 thorpej 228 1.2.2.2 thorpej int route6_input __P((struct mbuf **, int *, int)); 229 1.2.2.2 thorpej 230 1.2.2.2 thorpej void frag6_init __P((void)); 231 1.2.2.2 thorpej int frag6_input __P((struct mbuf **, int *, int)); 232 1.2.2.2 thorpej void frag6_slowtimo __P((void)); 233 1.2.2.2 thorpej void frag6_drain __P((void)); 234 1.2.2.2 thorpej 235 1.2.2.2 thorpej void rip6_init __P((void)); 236 1.2.2.2 thorpej int rip6_input __P((struct mbuf **mp, int *offp, int proto)); 237 1.2.2.2 thorpej int rip6_ctloutput __P((int, struct socket *, int, int, struct mbuf **)); 238 1.2.2.2 thorpej int rip6_output __P((struct mbuf *, ...)); 239 1.2.2.2 thorpej int rip6_usrreq __P((struct socket *, 240 1.2.2.2 thorpej int, struct mbuf *, struct mbuf *, struct mbuf *, struct proc *)); 241 1.2.2.2 thorpej 242 1.2.2.2 thorpej int dest6_input __P((struct mbuf **, int *, int)); 243 1.2.2.2 thorpej int none_input __P((struct mbuf **, int *, int)); 244 1.2.2.2 thorpej #endif /* _KERNEL */ 245 1.2.2.2 thorpej 246 1.2.2.2 thorpej #endif /* !_NETINET6_IP6_VAR_H_ */ 247
Indexes created Sun Oct 19 02:09:48 GMT 2025