bsd/net/rtsock_mip.c

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*      $KAME$  */
  23
  24 /* to be included from net/rtsock.c - ugly but necessary for portability */
  25 /*
  26  * Mobile IPv6 addition.
  27  * Send a routing message to all routing socket listeners.
  28  */
  29 void
  30 rt_mip6msg(cmd, ifp, rt)
  31         int cmd;
  32         struct ifnet *ifp;
  33         register struct rtentry *rt;
  34 {
  35         struct rt_addrinfo info;
  36         struct sockaddr *sa = 0;
  37         struct mbuf *m = 0;
  38         register struct rt_msghdr *rtm;
  39
  40 #ifdef MIP6_DEBUG
  41         printf("route_cb.any_count = %d\n", route_cb.any_count);
  42 #endif
  43         bzero((caddr_t)&info, sizeof(info));
  44
  45         if (rt == 0 || ifp == 0)
  46                 return;
  47         netmask = rt_mask(rt);
  48         dst = sa = rt_key(rt);
  49         gate = rt->rt_gateway;
  50         genmask = rt->rt_genmask;
  51         if ((m = rt_msg1(cmd, &info)) == NULL) {
  52 #ifdef MIP6_DEBUG
  53                 printf("failure... \n");
  54 #endif
  55                 return;
  56         }
  57         rtm = mtod(m, struct rt_msghdr *);
  58         rtm->rtm_index = ifp->if_index;
  59         rtm->rtm_flags |= rt->rt_flags;
  60         rtm->rtm_rmx = rt->rt_rmx;
  61         rtm->rtm_addrs = info.rti_addrs;
  62         rtm->rtm_flags |= RTF_DONE;
  63
  64         route_proto.sp_protocol = sa ? sa->sa_family : 0;
  65 #ifdef __bsdi__
  66         raw_input(m, NULL, &route_proto, &route_src, &route_dst);
  67 #else
  68         raw_input(m, &route_proto, &route_src, &route_dst);
  69 #endif
  70 }