zebra/zebra_static.h

   1 /*
   2  * Static Routing Information header
   3  * Copyright (C) 2016 Cumulus Networks
   4  *               Donald Sharp
   5  *
   6  * This file is part of Quagga.
   7  *
   8  * Quagga is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License as published by the
  10  * Free Software Foundation; either version 2, or (at your option) any
  11  * later version.
  12  *
  13  * Quagga is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with Quagga; see the file COPYING.  If not, write to the Free
  20  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  21  * 02111-1307, USA.
  22  */
  23 #ifndef __ZEBRA_STATIC_H__
  24 #define __ZEBRA_STATIC_H__
  25
  26 /* Static route label information */
  27 struct static_nh_label
  28 {
  29   u_int8_t num_labels;
  30   u_int8_t reserved[3];
  31   mpls_label_t label[2];
  32 };
  33
  34 typedef enum {
  35   STATIC_IFINDEX,
  36   STATIC_IPV4_GATEWAY,
  37   STATIC_BLACKHOLE,
  38   STATIC_IPV6_GATEWAY,
  39   STATIC_IPV6_GATEWAY_IFINDEX,
  40 } zebra_static_types;
  41
  42 /* Static route information. */
  43 struct static_route
  44 {
  45   /* For linked list. */
  46   struct static_route *prev;
  47   struct static_route *next;
  48
  49   /* VRF identifier. */
  50   vrf_id_t vrf_id;
  51
  52   /* Administrative distance. */
  53   u_char distance;
  54
  55   /* Tag */
  56   route_tag_t tag;
  57
  58   /* Flag for this static route's type. */
  59   zebra_static_types type;
  60
  61   /*
  62    * Nexthop value.
  63    *
  64    * Under IPv4 addr and ifindex are
  65    * used independentyly.
  66    * STATIC_IPV4_GATEWAY uses addr
  67    * STATIC_IFINDEX uses ifindex
  68    */
  69   union g_addr addr;
  70   ifindex_t ifindex;
  71
  72   char ifname[INTERFACE_NAMSIZ + 1];
  73
  74   /* bit flags */
  75   u_char flags;
  76 /*
  77  see ZEBRA_FLAG_REJECT
  78      ZEBRA_FLAG_BLACKHOLE
  79  */
  80
  81   /* Label information */
  82   struct static_nh_label snh_label;
  83 };
  84
  85 extern void
  86 static_install_route (afi_t afi, safi_t safi, struct prefix *p,
  87                       struct prefix_ipv6 *src_p, struct static_route *si);
  88 extern void
  89 static_uninstall_route (afi_t afi, safi_t safi, struct prefix *p,
  90                         struct prefix_ipv6 *src_p, struct static_route *si);
  91
  92 extern int
  93 static_add_route (afi_t, safi_t safi, u_char type, struct prefix *p,
  94                   struct prefix_ipv6 *src_p,
  95                   union g_addr *gate, ifindex_t ifindex,
  96                   const char *ifname, u_char flags, route_tag_t tag,
  97                   u_char distance, struct zebra_vrf *zvrf,
  98                   struct static_nh_label *snh_label);
  99
 100 extern int
 101 static_delete_route (afi_t, safi_t safi, u_char type, struct prefix *p,
 102                      struct prefix_ipv6 *src_p,
 103                      union g_addr *gate, ifindex_t ifindex, route_tag_t tag,
 104                      u_char distance, struct zebra_vrf *zvrf,
 105                      struct static_nh_label *snh_label);
 106
 107 int
 108 zebra_static_ipv4 (struct vty *vty, safi_t safi, int add_cmd,
 109                    const char *dest_str, const char *mask_str,
 110                    const char *gate_str, const char *flag_str,
 111                    const char *tag_str, const char *distance_str,
 112                    const char *vrf_id_str, const char *label_str);
 113
 114 int
 115 static_ipv6_func (struct vty *vty, int add_cmd, const char *dest_str,
 116                   const char *src_str,
 117                   const char *gate_str, const char *ifname,
 118                   const char *flag_str, const char *tag_str,
 119                   const char *distance_str, const char *vrf_id_str,
 120                   const char *label_str);
 121
 122 #endif