X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/1c15e88899094343f75aeba04122cd96a96b428e..ad7871609881e73855d0b04da49b486cd93efca7:/usr/src/sys/netinet/ip_var.h diff --git a/usr/src/sys/netinet/ip_var.h b/usr/src/sys/netinet/ip_var.h index 29367f5fe7..27eda5e67c 100644 --- a/usr/src/sys/netinet/ip_var.h +++ b/usr/src/sys/netinet/ip_var.h @@ -1,23 +1,36 @@ /* - * Copyright (c) 1982, 1986 Regents of the University of California. - * All rights reserved. + * Copyright (c) 1982, 1986, 1993 + * The Regents of the University of California. All rights reserved. * - * Redistribution is only permitted until one year after the first shipment - * of 4.4BSD by the Regents. Otherwise, redistribution and use in source and - * binary forms are permitted provided that: (1) source distributions retain - * this entire copyright notice and comment, and (2) distributions including - * binaries display the following acknowledgement: This product includes - * software developed by the University of California, Berkeley and its - * contributors'' in the documentation or other materials provided with the - * distribution and in all advertising materials mentioning features or use - * of this software. Neither the name of the University nor the names of - * its contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. * - * @(#)ip_var.h 7.7 (Berkeley) 6/28/90 + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)ip_var.h 8.1 (Berkeley) 6/10/93 */ /* @@ -62,7 +75,9 @@ struct ipasfrag { u_char ip_v:4, ip_hl:4; #endif - u_char ipf_mff; /* copied from (ip_off&IP_MF) */ + u_char ipf_mff; /* XXX overlays ip_tos: use low bit + * to avoid destroying tos; + * copied from (ip_off&IP_MF) */ short ip_len; u_short ip_id; short ip_off; @@ -86,38 +101,88 @@ struct ipoption { char ipopt_list[MAX_IPOPTLEN]; /* options proper */ }; +/* + * Structure 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]; +}; + 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 */ - long ips_noproto; /* unknown or unsupported protocol */ - long ips_delivered; /* packets consumed here */ - long ips_localout; /* total ip packets generated here */ - long ips_odropped; /* lost packets due to nobufs, etc. */ - long ips_reassembled; /* total packets reassembled ok */ - long ips_fragmented; /* output packets fragmented ok */ - long ips_ofragments; /* output fragments created */ - long ips_cantfrag; /* don't fragment flag was set, etc. */ + u_long ips_total; /* total packets received */ + u_long ips_badsum; /* checksum bad */ + u_long ips_tooshort; /* packet too short */ + u_long ips_toosmall; /* not enough data */ + u_long ips_badhlen; /* ip header length < data size */ + u_long ips_badlen; /* ip length < ip header length */ + u_long ips_fragments; /* fragments received */ + u_long ips_fragdropped; /* frags dropped (dups, out of space) */ + u_long ips_fragtimeout; /* fragments timed out */ + u_long ips_forward; /* packets forwarded */ + u_long ips_cantforward; /* packets rcvd for unreachable dest */ + u_long ips_redirectsent; /* packets forwarded on same net */ + u_long ips_noproto; /* unknown or unsupported protocol */ + u_long ips_delivered; /* datagrams delivered to upper level*/ + u_long ips_localout; /* total ip packets generated here */ + u_long ips_odropped; /* lost packets due to nobufs, etc. */ + u_long ips_reassembled; /* total packets reassembled ok */ + u_long ips_fragmented; /* datagrams sucessfully fragmented */ + u_long ips_ofragments; /* output fragments created */ + u_long ips_cantfrag; /* don't fragment flag was set, etc. */ + u_long ips_badoptions; /* error in option processing */ + u_long ips_noroute; /* packets discarded due to no route */ + u_long ips_badvers; /* ip version != 4 */ + u_long ips_rawout; /* total raw ip packets generated */ }; #ifdef KERNEL /* flags passed to ip_output as last parameter */ #define IP_FORWARDING 0x1 /* most of ip header exists */ +#define IP_RAWOUTPUT 0x2 /* raw ip header exists */ #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 */ +int ip_defttl; /* default IP ttl */ -struct mbuf *ip_srcroute(); +int in_control __P((struct socket *, int, caddr_t, struct ifnet *)); +int ip_ctloutput __P((int, struct socket *, int, int, struct mbuf **)); +void ip_deq __P((struct ipasfrag *)); +int ip_dooptions __P((struct mbuf *)); +void ip_drain __P((void)); +void ip_enq __P((struct ipasfrag *, struct ipasfrag *)); +void ip_forward __P((struct mbuf *, int)); +void ip_freef __P((struct ipq *)); +void ip_freemoptions __P((struct ip_moptions *)); +int ip_getmoptions __P((int, struct ip_moptions *, struct mbuf **)); +void ip_init __P((void)); +int ip_mforward __P((struct mbuf *, struct ifnet *)); +int ip_optcopy __P((struct ip *, struct ip *)); +int ip_output __P((struct mbuf *, + struct mbuf *, struct route *, int, struct ip_moptions *)); +int ip_pcbopts __P((struct mbuf **, struct mbuf *)); +struct ip * + ip_reass __P((struct ipasfrag *, struct ipq *)); +struct in_ifaddr * + ip_rtaddr __P((struct in_addr)); +int ip_setmoptions __P((int, struct ip_moptions **, struct mbuf *)); +void ip_slowtimo __P((void)); +struct mbuf * + ip_srcroute __P((void)); +void ip_stripoptions __P((struct mbuf *, struct mbuf *)); +int ip_sysctl __P((int *, u_int, void *, size_t *, void *, size_t)); +void ipintr __P((void)); +int rip_ctloutput __P((int, struct socket *, int, int, struct mbuf **)); +void rip_init __P((void)); +void rip_input __P((struct mbuf *)); +int rip_output __P((struct mbuf *, struct socket *, u_long)); +int rip_usrreq __P((struct socket *, + int, struct mbuf *, struct mbuf *, struct mbuf *)); #endif