Annotation of embedaddon/pimd/dvmrp_proto.c, revision 1.1
1.1 ! misho 1: /*
! 2: * Copyright (c) 1998-2001
! 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: * $Id: dvmrp_proto.c,v 1.10 2001/09/10 20:31:36 pavlin Exp $
! 32: */
! 33:
! 34:
! 35: #include "defs.h"
! 36:
! 37:
! 38: /* TODO */
! 39: /*
! 40: * Process an incoming neighbor probe message.
! 41: */
! 42: void
! 43: dvmrp_accept_probe(src, dst, p, datalen, level)
! 44: uint32_t src __attribute__((unused));
! 45: uint32_t dst __attribute__((unused));
! 46: uint8_t *p __attribute__((unused));
! 47: int datalen __attribute__((unused));
! 48: uint32_t level __attribute__((unused));
! 49: {
! 50: return;
! 51: }
! 52:
! 53:
! 54: /* TODO */
! 55: /*
! 56: * Process an incoming route report message.
! 57: */
! 58: void
! 59: dvmrp_accept_report(src, dst, p, datalen, level)
! 60: uint32_t src __attribute__((unused));
! 61: uint32_t dst __attribute__((unused));
! 62: uint8_t *p __attribute__((unused));
! 63: int datalen __attribute__((unused));
! 64: uint32_t level __attribute__((unused));
! 65: {
! 66: return;
! 67: }
! 68:
! 69:
! 70: /* TODO */
! 71: void
! 72: dvmrp_accept_info_request(src, dst, p, datalen)
! 73: uint32_t src __attribute__((unused));
! 74: uint32_t dst __attribute__((unused));
! 75: uint8_t *p __attribute__((unused));
! 76: int datalen __attribute__((unused));
! 77: {
! 78: return;
! 79: }
! 80:
! 81:
! 82: /*
! 83: * Process an incoming info reply message.
! 84: */
! 85: void
! 86: dvmrp_accept_info_reply(src, dst, p, datalen)
! 87: uint32_t src;
! 88: uint32_t dst;
! 89: uint8_t *p __attribute__((unused));
! 90: int datalen __attribute__((unused));
! 91: {
! 92: IF_DEBUG(DEBUG_PKT)
! 93: logit(LOG_DEBUG, 0, "ignoring spurious DVMRP info reply from %s to %s",
! 94: inet_fmt(src, s1, sizeof(s1)), inet_fmt(dst, s2, sizeof(s2)));
! 95: }
! 96:
! 97:
! 98: /*
! 99: * Process an incoming neighbor-list message.
! 100: */
! 101: void
! 102: dvmrp_accept_neighbors(src, dst, p, datalen, level)
! 103: uint32_t src;
! 104: uint32_t dst;
! 105: uint8_t *p __attribute__((unused));
! 106: int datalen __attribute__((unused));
! 107: uint32_t level __attribute__((unused));
! 108: {
! 109: logit(LOG_INFO, 0, "ignoring spurious DVMRP neighbor list from %s to %s",
! 110: inet_fmt(src, s1, sizeof(s1)), inet_fmt(dst, s2, sizeof(s2)));
! 111: }
! 112:
! 113:
! 114: /*
! 115: * Process an incoming neighbor-list message.
! 116: */
! 117: void
! 118: dvmrp_accept_neighbors2(src, dst, p, datalen, level)
! 119: uint32_t src;
! 120: uint32_t dst;
! 121: uint8_t *p __attribute__((unused));
! 122: int datalen __attribute__((unused));
! 123: uint32_t level __attribute__((unused));
! 124: {
! 125: IF_DEBUG(DEBUG_PKT)
! 126: logit(LOG_DEBUG, 0,
! 127: "ignoring spurious DVMRP neighbor list2 from %s to %s",
! 128: inet_fmt(src, s1, sizeof(s1)), inet_fmt(dst, s2, sizeof(s2)));
! 129: }
! 130:
! 131:
! 132: /* TODO */
! 133: /*
! 134: * Takes the prune message received and then strips it to
! 135: * determine the (src, grp) pair to be pruned.
! 136: *
! 137: * Adds the router to the (src, grp) entry then.
! 138: *
! 139: * Determines if further packets have to be sent down that vif
! 140: *
! 141: * Determines if a corresponding prune message has to be generated
! 142: */
! 143: void
! 144: dvmrp_accept_prune(src, dst, p, datalen)
! 145: uint32_t src __attribute__((unused));
! 146: uint32_t dst __attribute__((unused));
! 147: uint8_t *p __attribute__((unused));
! 148: int datalen __attribute__((unused));
! 149: {
! 150: return;
! 151: }
! 152:
! 153:
! 154: /* TODO */
! 155: /* determine the multicast group and src
! 156: *
! 157: * if it does, then determine if a prune was sent
! 158: * upstream.
! 159: * if prune sent upstream, send graft upstream and send
! 160: * ack downstream.
! 161: *
! 162: * if no prune sent upstream, change the forwarding bit
! 163: * for this interface and send ack downstream.
! 164: *
! 165: * if no entry exists for this group send ack downstream.
! 166: */
! 167: void
! 168: dvmrp_accept_graft(src, dst, p, datalen)
! 169: uint32_t src __attribute__((unused));
! 170: uint32_t dst __attribute__((unused));
! 171: uint8_t *p __attribute__((unused));
! 172: int datalen __attribute__((unused));
! 173: {
! 174: return;
! 175: }
! 176:
! 177:
! 178: /* TODO */
! 179: /*
! 180: * find out which group is involved first of all
! 181: * then determine if a graft was sent.
! 182: * if no graft sent, ignore the message
! 183: * if graft was sent and the ack is from the right
! 184: * source, remove the graft timer so that we don't
! 185: * have send a graft again
! 186: */
! 187: void
! 188: dvmrp_accept_g_ack(src, dst, p, datalen)
! 189: uint32_t src __attribute__((unused));
! 190: uint32_t dst __attribute__((unused));
! 191: uint8_t *p __attribute__((unused));
! 192: int datalen __attribute__((unused));
! 193: {
! 194: return;
! 195: }
! 196:
! 197: /**
! 198: * Local Variables:
! 199: * version-control: t
! 200: * indent-tabs-mode: t
! 201: * c-file-style: "ellemtel"
! 202: * c-basic-offset: 4
! 203: * End:
! 204: */
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