Annotation of sys/netinet6/ip6protosw.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: ip6protosw.h,v 1.7 2003/06/02 23:28:16 millert Exp $ */
! 2: /* $KAME: ip6protosw.h,v 1.22 2001/02/08 18:02:08 itojun Exp $ */
! 3:
! 4: /*
! 5: * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
! 6: * All rights reserved.
! 7: *
! 8: * Redistribution and use in source and binary forms, with or without
! 9: * modification, are permitted provided that the following conditions
! 10: * are met:
! 11: * 1. Redistributions of source code must retain the above copyright
! 12: * notice, this list of conditions and the following disclaimer.
! 13: * 2. Redistributions in binary form must reproduce the above copyright
! 14: * notice, this list of conditions and the following disclaimer in the
! 15: * documentation and/or other materials provided with the distribution.
! 16: * 3. Neither the name of the project nor the names of its contributors
! 17: * may be used to endorse or promote products derived from this software
! 18: * without specific prior written permission.
! 19: *
! 20: * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
! 21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 23: * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
! 24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 30: * SUCH DAMAGE.
! 31: *
! 32: */
! 33:
! 34: /* BSDI protosw.h,v 2.3 1996/10/11 16:02:40 pjd Exp */
! 35:
! 36: /*-
! 37: * Copyright (c) 1982, 1986, 1993
! 38: * The Regents of the University of California. All rights reserved.
! 39: *
! 40: * Redistribution and use in source and binary forms, with or without
! 41: * modification, are permitted provided that the following conditions
! 42: * are met:
! 43: * 1. Redistributions of source code must retain the above copyright
! 44: * notice, this list of conditions and the following disclaimer.
! 45: * 2. Redistributions in binary form must reproduce the above copyright
! 46: * notice, this list of conditions and the following disclaimer in the
! 47: * documentation and/or other materials provided with the distribution.
! 48: * 3. Neither the name of the University nor the names of its contributors
! 49: * may be used to endorse or promote products derived from this software
! 50: * without specific prior written permission.
! 51: *
! 52: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 53: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 54: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 55: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 56: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 57: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 58: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 59: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 60: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 61: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 62: * SUCH DAMAGE.
! 63: *
! 64: * @(#)protosw.h 8.1 (Berkeley) 6/2/93
! 65: */
! 66:
! 67: #ifndef _NETINET6_IP6PROTOSW_H_
! 68: #define _NETINET6_IP6PROTOSW_H_
! 69:
! 70: /*
! 71: * Protocol switch table for IPv6.
! 72: * All other definitions should refer to sys/protosw.h
! 73: */
! 74:
! 75: struct mbuf;
! 76: struct sockaddr;
! 77: struct socket;
! 78: struct domain;
! 79: struct proc;
! 80: struct ip6_hdr;
! 81: struct icmp6_hdr;
! 82: struct in6_addr;
! 83:
! 84: /*
! 85: * argument type for the last arg of pr_ctlinput().
! 86: * should be consulted only with AF_INET6 family.
! 87: *
! 88: * IPv6 ICMP IPv6 [exthdrs] finalhdr paylaod
! 89: * ^ ^ ^ ^
! 90: * | | ip6c_ip6 ip6c_off
! 91: * | ip6c_icmp6
! 92: * ip6c_m
! 93: *
! 94: * ip6c_finaldst usually points to ip6c_ip6->ip6_dst. if the original
! 95: * (internal) packet carries a routing header, it may point the final
! 96: * dstination address in the routing header.
! 97: *
! 98: * ip6c_src: ip6c_ip6->ip6_src + scope info + flowlabel in ip6c_ip6
! 99: * (beware of flowlabel, if you try to compare it against others)
! 100: * ip6c_dst: ip6c_finaldst + scope info
! 101: */
! 102: struct ip6ctlparam {
! 103: struct mbuf *ip6c_m; /* start of mbuf chain */
! 104: struct icmp6_hdr *ip6c_icmp6; /* icmp6 header of target packet */
! 105: struct ip6_hdr *ip6c_ip6; /* ip6 header of target packet */
! 106: int ip6c_off; /* offset of the target proto header */
! 107: struct sockaddr_in6 *ip6c_src; /* srcaddr w/ additional info */
! 108: struct sockaddr_in6 *ip6c_dst; /* (final) dstaddr w/ additional info */
! 109: struct in6_addr *ip6c_finaldst; /* final destination address */
! 110: void *ip6c_cmdarg; /* control command dependent data */
! 111: u_int8_t ip6c_nxt; /* final next header field */
! 112: };
! 113:
! 114: struct ip6protosw {
! 115: short pr_type; /* socket type used for */
! 116: struct domain *pr_domain; /* domain protocol a member of */
! 117: short pr_protocol; /* protocol number */
! 118: short pr_flags; /* see below */
! 119:
! 120: /* protocol-protocol hooks */
! 121: /* input to protocol (from below) */
! 122: int (*pr_input)(struct mbuf **, int *, int);
! 123: /* output to protocol (from above) */
! 124: int (*pr_output)(struct mbuf *, ...);
! 125: /* control input (from below) */
! 126: void (*pr_ctlinput)(int, struct sockaddr *, void *);
! 127: /* control output (from above) */
! 128: int (*pr_ctloutput)(int, struct socket *, int, int, struct mbuf **);
! 129:
! 130: /* user-protocol hook */
! 131: /* user request: see list below */
! 132: int (*pr_usrreq)(struct socket *, int, struct mbuf *,
! 133: struct mbuf *, struct mbuf *, struct proc *);
! 134:
! 135: /* utility hooks */
! 136: void (*pr_init)(void); /* initialization hook */
! 137:
! 138: void (*pr_fasttimo)(void); /* fast timeout (200ms) */
! 139: void (*pr_slowtimo)(void); /* slow timeout (500ms) */
! 140: void (*pr_drain)(void); /* flush any excess space possible */
! 141: /* sysctl for protocol */
! 142: int (*pr_sysctl)(int *, u_int, void *, size_t *, void *, size_t);
! 143: };
! 144:
! 145: #endif /* !_NETINET6_IP6PROTOSW_H_ */
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