bsd/net/rtsock_mip.c

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*      $KAME$  */
  26
  27 /* to be included from net/rtsock.c - ugly but necessary for portability */
  28 /*
  29  * Mobile IPv6 addition.
  30  * Send a routing message to all routing socket listeners.
  31  */
  32 void
  33 rt_mip6msg(cmd, ifp, rt)
  34         int cmd;
  35         struct ifnet *ifp;
  36         register struct rtentry *rt;
  37 {
  38         struct rt_addrinfo info;
  39         struct sockaddr *sa = 0;
  40         struct mbuf *m = 0;
  41         register struct rt_msghdr *rtm;
  42
  43 #ifdef MIP6_DEBUG
  44         printf("route_cb.any_count = %d\n", route_cb.any_count);
  45 #endif
  46         bzero((caddr_t)&info, sizeof(info));
  47
  48         if (rt == 0 || ifp == 0)
  49                 return;
  50         netmask = rt_mask(rt);
  51         dst = sa = rt_key(rt);
  52         gate = rt->rt_gateway;
  53         genmask = rt->rt_genmask;
  54         if ((m = rt_msg1(cmd, &info)) == NULL) {
  55 #ifdef MIP6_DEBUG
  56                 printf("failure... \n");
  57 #endif
  58                 return;
  59         }
  60         rtm = mtod(m, struct rt_msghdr *);
  61         rtm->rtm_index = ifp->if_index;
  62         rtm->rtm_flags |= rt->rt_flags;
  63         rtm->rtm_rmx = rt->rt_rmx;
  64         rtm->rtm_addrs = info.rti_addrs;
  65         rtm->rtm_flags |= RTF_DONE;
  66
  67         route_proto.sp_protocol = sa ? sa->sa_family : 0;
  68 #ifdef __bsdi__
  69         raw_input(m, NULL, &route_proto, &route_src, &route_dst);
  70 #else
  71         raw_input(m, &route_proto, &route_src, &route_dst);
  72 #endif
  73 }