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         u_int8_t num_labels;
  28         u_int8_t reserved[3];
  29         mpls_label_t label[2];
  30 };
  31
  32 typedef enum {
  33         STATIC_IFNAME,
  34         STATIC_IPV4_GATEWAY,
  35         STATIC_IPV4_GATEWAY_IFNAME,
  36         STATIC_BLACKHOLE,
  37         STATIC_IPV6_GATEWAY,
  38         STATIC_IPV6_GATEWAY_IFNAME,
  39 } zebra_static_types;
  40
  41 /* Static route information. */
  42 struct static_route {
  43         /* For linked list. */
  44         struct static_route *prev;
  45         struct static_route *next;
  46
  47         /* VRF identifier. */
  48         vrf_id_t vrf_id;
  49
  50         /* Administrative distance. */
  51         u_char distance;
  52
  53         /* Tag */
  54         route_tag_t tag;
  55
  56         /* Flag for this static route's type. */
  57         zebra_static_types type;
  58
  59         /*
  60          * Nexthop value.
  61          */
  62         union g_addr addr;
  63         ifindex_t ifindex;
  64
  65         char ifname[INTERFACE_NAMSIZ + 1];
  66
  67         /* bit flags */
  68         u_char flags;
  69         /*
  70          see ZEBRA_FLAG_REJECT
  71              ZEBRA_FLAG_BLACKHOLE
  72          */
  73
  74         /* Label information */
  75         struct static_nh_label snh_label;
  76 };
  77
  78 extern void static_install_route(afi_t afi, safi_t safi, struct prefix *p,
  79                                  struct prefix_ipv6 *src_p,
  80                                  struct static_route *si);
  81 extern void static_uninstall_route(afi_t afi, safi_t safi, struct prefix *p,
  82                                    struct prefix_ipv6 *src_p,
  83                                    struct static_route *si);
  84
  85 extern int static_add_route(afi_t, safi_t safi, u_char type, struct prefix *p,
  86                             struct prefix_ipv6 *src_p, union g_addr *gate,
  87                             const char *ifname, u_char flags,
  88                             route_tag_t tag, u_char distance,
  89                             struct zebra_vrf *zvrf,
  90                             struct static_nh_label *snh_label);
  91
  92 extern int static_delete_route(afi_t, safi_t safi, u_char type,
  93                                struct prefix *p, struct prefix_ipv6 *src_p,
  94                                union g_addr *gate, const char *ifname,
  95                                route_tag_t tag, u_char distance,
  96                                struct zebra_vrf *zvrf,
  97                                struct static_nh_label *snh_label);
  98
  99 extern void static_ifindex_update(struct interface *ifp, bool up);
 100
 101 #endif