Return to pim.h CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / pimd / include / netinet

Annotation of embedaddon/pimd/include/netinet/pim.h, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * Copyright (c) 1996-2000
                      3:  * University of Southern California/Information Sciences Institute.
                      4:  * All rights reserved.
                      5:  *
                      6:  * Redistribution and use in source and binary forms, with or without
                      7:  * modification, are permitted provided that the following conditions
                      8:  * are met:
                      9:  * 1. Redistributions of source code must retain the above copyright
                     10:  *    notice, this list of conditions and the following disclaimer.
                     11:  * 2. Redistributions in binary form must reproduce the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer in the
                     13:  *    documentation and/or other materials provided with the distribution.
                     14:  * 3. Neither the name of the project nor the names of its contributors
                     15:  *    may be used to endorse or promote products derived from this software
                     16:  *    without specific prior written permission.
                     17:  *
                     18:  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
                     19:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     20:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     21:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
                     22:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     23:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     24:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     25:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     26:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     27:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     28:  * SUCH DAMAGE.
                     29:  */
                     30: 
                     31: #ifndef _NETINET_PIM_H_
                     32: #define _NETINET_PIM_H_
                     33: 
                     34: /*
                     35:  * Protocol Independent Multicast (PIM) definitions.
                     36:  * RFC 2362, June 1998.
                     37:  *
                     38:  * Written by Ahmed Helmy, USC/SGI, July 1996.
                     39:  * Modified by George Edmond Eddy (Rusty), ISI, February 1998.
                     40:  * Modified by Pavlin Radoslavov, USC/ISI, May 1998, October 2000.
                     41:  */
                     42: 
                     43: 
                     44: #ifndef _PIM_VT
                     45: #ifndef BYTE_ORDER
                     46: # error BYTE_ORDER is not defined!
                     47: #endif
                     48: #if (BYTE_ORDER != BIG_ENDIAN) && (BYTE_ORDER != LITTLE_ENDIAN)
                     49: # error BYTE_ORDER must be defined to either BIG_ENDIAN or LITTLE_ENDIAN
                     50: #endif
                     51: #endif /* ! _PIM_VT */
                     52: 
                     53: /*
                     54:  * PIM packet header
                     55:  */
                     56: struct pim {
                     57: #ifdef _PIM_VT
                     58:        uint8_t         pim_vt;         /* PIM version and message type */
                     59: #else /* ! _PIM_VT   */
                     60: #if BYTE_ORDER == BIG_ENDIAN
                     61:        u_int           pim_vers:4,     /* PIM protocol version         */
                     62:                        pim_type:4;     /* PIM message type             */
                     63: #endif
                     64: #if BYTE_ORDER == LITTLE_ENDIAN
                     65:        u_int           pim_type:4,     /* PIM message type             */
                     66:                        pim_vers:4;     /* PIM protocol version         */
                     67: #endif
                     68: #endif /* ! _PIM_VT  */
                     69:        uint8_t         pim_reserved;   /* Reserved                     */
                     70:        uint16_t        pim_cksum;      /* IP-style checksum            */
                     71: };
                     72: /* KAME-related name backward compatibility */
                     73: #define pim_ver pim_vers
                     74: #define pim_rsv pim_reserved
                     75: 
                     76: #ifdef _PIM_VT
                     77: #define PIM_MAKE_VT(v, t)      (0xff & (((v) << 4) | (0x0f & (t))))
                     78: #define PIM_VT_V(x)            (((x) >> 4) & 0x0f)
                     79: #define PIM_VT_T(x)            ((x) & 0x0f)
                     80: #endif /* _PIM_VT */
                     81: 
                     82: #define PIM_VERSION            2
                     83: #define PIM_MINLEN             8       /* PIM message min. length      */
                     84: #define PIM_REG_MINLEN (PIM_MINLEN+20) /* PIM Register hdr + inner IPv4 hdr */
                     85: #define PIM6_REG_MINLEN        (PIM_MINLEN+40) /* PIM Register hdr + inner IPv6 hdr */
                     86: 
                     87: /*
                     88:  * PIM message types
                     89:  */
                     90: #define PIM_HELLO              0x0     /* PIM-SM and PIM-DM            */
                     91: #define PIM_REGISTER           0x1     /* PIM-SM only                  */
                     92: #define PIM_REGISTER_STOP      0x2     /* PIM-SM only                  */
                     93: #define PIM_JOIN_PRUNE         0x3     /* PIM-SM and PIM-DM            */
                     94: #define PIM_BOOTSTRAP          0x4     /* PIM-SM only                  */
                     95: #define PIM_ASSERT             0x5     /* PIM-SM and PIM-DM            */
                     96: #define PIM_GRAFT              0x6     /* PIM-DM only                  */
                     97: #define PIM_GRAFT_ACK          0x7     /* PIM-DM only                  */
                     98: #define PIM_CAND_RP_ADV                0x8     /* PIM-SM only                  */
                     99: #define PIM_ALL_DF_ELECTION    0xa     /* Bidir-PIM-SM only            */
                    100: 
                    101: /*
                    102:  * PIM-Register message flags
                    103:  */
                    104: #define PIM_BORDER_REGISTER 0x80000000U        /* The Border bit (host-order)  */
                    105: #define PIM_NULL_REGISTER   0x40000000U        /* The Null-Register bit (host-order)*/
                    106: 
                    107: /*
                    108:  * All-PIM-Routers IPv4 and IPv6 multicast addresses
                    109:  */
                    110: #define INADDR_ALLPIM_ROUTERS_GROUP    (uint32_t)0xe000000dU  /* 224.0.0.13 */
                    111: #define IN6ADDR_LINKLOCAL_ALLPIM_ROUTERS       "ff02::d"
                    112: #define IN6ADDR_LINKLOCAL_ALLPIM_ROUTERS_INIT                          \
                    113:        {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,             \
                    114:            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0d }}}
                    115: 
                    116: #endif /* _NETINET_PIM_H_ */