diff options
Diffstat (limited to 'sys/netinet6/pim6.h')
| -rw-r--r-- | sys/netinet6/pim6.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/sys/netinet6/pim6.h b/sys/netinet6/pim6.h new file mode 100644 index 00000000000..dc49e2bbd3c --- /dev/null +++ b/sys/netinet6/pim6.h @@ -0,0 +1,68 @@ +/* $OpenBSD: pim6.h,v 1.1 1999/12/08 06:50:23 itojun Exp $ */ + +/* + * Copyright (C) 1998 WIDE Project. + * 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. + */ +/* + * Protocol Independent Multicast (PIM) definitions + * + * Written by Ahmed Helmy, SGI, July 1996 + * + * MULTICAST + */ + +/* + * PIM packet header + */ +#define PIM_VERSION 2 +struct pim { +#if defined(BYTE_ORDER) && (BYTE_ORDER == LITTLE_ENDIAN) + u_char pim_type:4, /* the PIM message type, currently they are: + * Hello, Register, Register-Stop, Join/Prune, + * Bootstrap, Assert, Graft (PIM-DM only), + * Graft-Ack (PIM-DM only), C-RP-Adv + */ + pim_ver:4; /* PIM version number; 2 for PIMv2 */ +#else + u_char pim_ver:4, /* PIM version */ + pim_type:4; /* PIM type */ +#endif + u_char pim_rsv; /* Reserved */ + u_short pim_cksum; /* IP style check sum */ +}; + +#define PIM_MINLEN 8 /* The header min. length is 8 */ +#define PIM6_REG_MINLEN (PIM_MINLEN+40) /* Register message + inner IP6 header */ + +/* + * Message types + */ +#define PIM_REGISTER 1 /* PIM Register type is 1 */ + +/* second bit in reg_head is the null bit */ +#define PIM_NULL_REGISTER 0x40000000 |