sys/netproto/mpls/mpls_proto.c

   1 /*
   2  * Copyright (c) 2007 The DragonFly Project.  All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  *
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in
  12  *    the documentation and/or other materials provided with the
  13  *    distribution.
  14  * 3. Neither the name of The DragonFly Project nor the names of its
  15  *    contributors may be used to endorse or promote products derived
  16  *    from this software without specific, prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  21  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
  22  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  23  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
  24  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  26  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  27  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  28  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  */
  31
  32 #include <sys/domain.h>
  33 #include <sys/kernel.h>         /* SYSINIT via DOMAIN_SET */
  34 #include <sys/protosw.h>
  35 #include <sys/socket.h>
  36 #include <sys/globaldata.h>
  37 #include <sys/thread.h>
  38
  39 #include <net/radix.h>          /* rn_inithead */
  40
  41 #include <netproto/mpls/mpls.h>
  42 #include <netproto/mpls/mpls_var.h>
  43
  44 /* forward declarations */
  45 static struct domain mplsdomain;
  46 static struct pr_usrreqs nousrreqs;  /* XXX use this for something */
  47
  48 struct protosw mplssw[] = {
  49     {
  50         .pr_type = 0,
  51         .pr_domain = &mplsdomain,
  52
  53         .pr_init = mpls_init,
  54         .pr_usrreqs = &nousrreqs
  55     },
  56     {
  57         .pr_type = SOCK_RAW,
  58         .pr_domain = &mplsdomain,
  59         .pr_protocol = 0,
  60         .pr_flags = PR_ATOMIC|PR_ADDR,
  61
  62         .pr_usrreqs = &nousrreqs
  63     }
  64 };
  65
  66 static int
  67 mpls_inithead(void **head, int off)
  68 {
  69         return rn_inithead(head, rn_cpumaskhead(mycpuid), off);
  70 }
  71
  72 static  struct  domain mplsdomain = {
  73         AF_MPLS,                        /* dom_family */
  74         "mpls",                         /* dom_name */
  75         NULL,                           /* dom_init */
  76         NULL,                           /* dom_externalize */
  77         NULL,                           /* dom_dispose */
  78         mplssw,                         /* dom_protosw */
  79         &mplssw[NELEM(mplssw)],
  80                                         /* dom_protoswNPROTOSW */
  81         SLIST_ENTRY_INITIALIZER,        /* dom_next */
  82         mpls_inithead,                  /* dom_rtattach */
  83         32,                             /* dom_rtoffset */
  84         sizeof(struct sockaddr_mpls),   /* dom_maxrtkey */
  85         NULL,                           /* dom_ifattach */
  86         NULL                            /* dom_ifdetach */
  87 };
  88
  89 DOMAIN_SET(mpls);
  90
  91 #if 0
  92 SYSCTL_NODE(_net,       PF_MPLS,        mpls,   CTLFLAG_RW,     0,
  93         "MPLS Family");
  94 #endif
  95