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Diffstat (limited to 'sys/netinet/pim.h')
| -rw-r--r-- | sys/netinet/pim.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/sys/netinet/pim.h b/sys/netinet/pim.h new file mode 100644 index 00000000000..03c5ea76a25 --- /dev/null +++ b/sys/netinet/pim.h @@ -0,0 +1,122 @@ +/* $OpenBSD: pim.h,v 1.1 2005/01/14 14:51:28 mcbride Exp $ */ +/* $NetBSD: pim.h,v 1.1 2004/09/04 23:32:29 manu Exp $ */ + +/* + * Copyright (c) 1996-2000 + * University of Southern California/Information Sciences Institute. + * All rights reserved. + * + * 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. Neither the name of the project 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 BY THE PROJECT 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 PROJECT 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. + * + * $FreeBSD: /repoman/r/ncvs/src/sys/netinet/pim.h,v 1.2 2004/03/08 07:45:32 hsu Exp $ + */ + +#ifndef _NETINET_PIM_H_ +#define _NETINET_PIM_H_ + +/* + * Protocol Independent Multicast (PIM) definitions. + * RFC 2362, June 1998. + * + * Written by Ahmed Helmy, USC/SGI, July 1996. + * Modified by George Edmond Eddy (Rusty), ISI, February 1998. + * Modified by Pavlin Radoslavov, USC/ISI, May 1998, October 2000. + */ + +#include <sys/types.h> + +#ifndef _PIM_VT +#ifndef BYTE_ORDER +# error BYTE_ORDER is not defined! +#endif +#if (BYTE_ORDER != BIG_ENDIAN) && (BYTE_ORDER != LITTLE_ENDIAN) +# error BYTE_ORDER must be defined to either BIG_ENDIAN or LITTLE_ENDIAN +#endif +#endif /* ! _PIM_VT */ + +/* + * PIM packet header + */ +struct pim { +#ifdef _PIM_VT + uint8_t pim_vt; /* PIM version and message type */ +#else /* ! _PIM_VT */ +#if BYTE_ORDER == BIG_ENDIAN + u_int pim_vers:4, /* PIM protocol version */ + pim_type:4; /* PIM message type */ +#endif +#if BYTE_ORDER == LITTLE_ENDIAN + u_int pim_type:4, /* PIM message type */ + pim_vers:4; /* PIM protocol version */ +#endif +#endif /* ! _PIM_VT */ + uint8_t pim_reserved; /* Reserved */ + uint16_t pim_cksum; /* IP-style checksum */ +}; +/* KAME-related name backward compatibility */ +#define pim_ver pim_vers +#define pim_rsv pim_reserved + +#ifdef _PIM_VT +#define PIM_MAKE_VT(v, t) (0xff & (((v) << 4) | (0x0f & (t)))) +#define PIM_VT_V(x) (((x) >> 4) & 0x0f) +#define PIM_VT_T(x) ((x) & 0x0f) +#endif /* _PIM_VT */ + +#define PIM_VERSION 2 +#define PIM_MINLEN 8 /* PIM message min. length */ +#define PIM_REG_MINLEN (PIM_MINLEN+20) /* PIM Register hdr + inner IPv4 hdr */ +#define PIM6_REG_MINLEN (PIM_MINLEN+40) /* PIM Register hdr + inner IPv6 hdr */ + +/* + * PIM message types + */ +#define PIM_HELLO 0x0 /* PIM-SM and PIM-DM */ +#define PIM_REGISTER 0x1 /* PIM-SM only */ +#define PIM_REGISTER_STOP 0x2 /* PIM-SM only */ +#define PIM_JOIN_PRUNE 0x3 /* PIM-SM and PIM-DM */ +#define PIM_BOOTSTRAP 0x4 /* PIM-SM only */ +#define PIM_ASSERT 0x5 /* PIM-SM and PIM-DM */ +#define PIM_GRAFT 0x6 /* PIM-DM only */ +#define PIM_GRAFT_ACK 0x7 /* PIM-DM only */ +#define PIM_CAND_RP_ADV 0x8 /* PIM-SM only */ +#define PIM_ALL_DF_ELECTION 0xa /* Bidir-PIM-SM only */ + +/* + * PIM-Register message flags + */ +#define PIM_BORDER_REGISTER 0x80000000U /* The Border bit (host-order) */ +#define PIM_NULL_REGISTER 0x40000000U /* The Null-Register bit (host-order)*/ + +/* + * All-PIM-Routers IPv4 and IPv6 multicast addresses + */ +#define INADDR_ALLPIM_ROUTERS_GROUP (uint32_t)0xe000000dU /* 224.0.0.13 */ +#define IN6ADDR_LINKLOCAL_ALLPIM_ROUTERS "ff02::d" +#define IN6ADDR_LINKLOCAL_ALLPIM_ROUTERS_INIT \ + {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0d }}} + +#endif /* _NETINET_PIM_H_ */ |