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 along
  19  * with this program; see the file COPYING; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  21  */
  22 #ifndef __ZEBRA_STATIC_H__
  23 #define __ZEBRA_STATIC_H__
  24
  25 /* Static route label information */
  26 struct static_nh_label
  27 {
  28   u_int8_t num_labels;
  29   u_int8_t reserved[3];
  30   mpls_label_t label[2];
  31 };
  32
  33 typedef enum {
  34   STATIC_IFINDEX,
  35   STATIC_IPV4_GATEWAY,
  36   STATIC_BLACKHOLE,
  37   STATIC_IPV6_GATEWAY,
  38   STATIC_IPV6_GATEWAY_IFINDEX,
  39 } zebra_static_types;
  40
  41 /* Static route information. */
  42 struct static_route
  43 {
  44   /* For linked list. */
  45   struct static_route *prev;
  46   struct static_route *next;
  47
  48   /* VRF identifier. */
  49   vrf_id_t vrf_id;
  50
  51   /* Administrative distance. */
  52   u_char distance;
  53
  54   /* Tag */
  55   route_tag_t tag;
  56
  57   /* Flag for this static route's type. */
  58   zebra_static_types type;
  59
  60   /*
  61    * Nexthop value.
  62    *
  63    * Under IPv4 addr and ifindex are
  64    * used independentyly.
  65    * STATIC_IPV4_GATEWAY uses addr
  66    * STATIC_IFINDEX uses ifindex
  67    */
  68   union g_addr addr;
  69   ifindex_t ifindex;
  70
  71   char ifname[INTERFACE_NAMSIZ + 1];
  72
  73   /* bit flags */
  74   u_char flags;
  75 /*
  76  see ZEBRA_FLAG_REJECT
  77      ZEBRA_FLAG_BLACKHOLE
  78  */
  79
  80   /* Label information */
  81   struct static_nh_label snh_label;
  82 };
  83
  84 extern void
  85 static_install_route (afi_t afi, safi_t safi, struct prefix *p,
  86                       struct prefix_ipv6 *src_p, struct static_route *si);
  87 extern void
  88 static_uninstall_route (afi_t afi, safi_t safi, struct prefix *p,
  89                         struct prefix_ipv6 *src_p, struct static_route *si);
  90
  91 extern int
  92 static_add_route (afi_t, safi_t safi, u_char type, struct prefix *p,
  93                   struct prefix_ipv6 *src_p,
  94                   union g_addr *gate, ifindex_t ifindex,
  95                   const char *ifname, u_char flags, route_tag_t tag,
  96                   u_char distance, struct zebra_vrf *zvrf,
  97                   struct static_nh_label *snh_label);
  98
  99 extern int
 100 static_delete_route (afi_t, safi_t safi, u_char type, struct prefix *p,
 101                      struct prefix_ipv6 *src_p,
 102                      union g_addr *gate, ifindex_t ifindex, route_tag_t tag,
 103                      u_char distance, struct zebra_vrf *zvrf,
 104                      struct static_nh_label *snh_label);
 105
 106 int
 107 zebra_static_ipv4 (struct vty *vty, safi_t safi, int add_cmd,
 108                    const char *dest_str, const char *mask_str,
 109                    const char *gate_str, const char *flag_str,
 110                    const char *tag_str, const char *distance_str,
 111                    const char *vrf_id_str, const char *label_str);
 112
 113 int
 114 static_ipv6_func (struct vty *vty, int add_cmd, const char *dest_str,
 115                   const char *src_str,
 116                   const char *gate_str, const char *ifname,
 117                   const char *flag_str, const char *tag_str,
 118                   const char *distance_str, const char *vrf_id_str,
 119                   const char *label_str);
 120
 121 #endif