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 #include "zebra/zebra_mpls.h"
  26
  27 /* Static route label information */
  28 struct static_nh_label {
  29         uint8_t num_labels;
  30         uint8_t reserved[3];
  31         mpls_label_t label[MPLS_MAX_LABELS];
  32 };
  33
  34 enum static_blackhole_type {
  35         STATIC_BLACKHOLE_DROP = 0,
  36         STATIC_BLACKHOLE_NULL,
  37         STATIC_BLACKHOLE_REJECT
  38 };
  39
  40 typedef enum {
  41         STATIC_IFNAME,
  42         STATIC_IPV4_GATEWAY,
  43         STATIC_IPV4_GATEWAY_IFNAME,
  44         STATIC_BLACKHOLE,
  45         STATIC_IPV6_GATEWAY,
  46         STATIC_IPV6_GATEWAY_IFNAME,
  47 } zebra_static_types;
  48
  49 /* Static route information. */
  50 struct static_route {
  51         /* For linked list. */
  52         struct static_route *prev;
  53         struct static_route *next;
  54
  55         /* VRF identifier. */
  56         vrf_id_t vrf_id;
  57         vrf_id_t nh_vrf_id;
  58         char nh_vrfname[VRF_NAMSIZ + 1];
  59
  60         /* Administrative distance. */
  61         uint8_t distance;
  62
  63         /* Tag */
  64         route_tag_t tag;
  65
  66         /* Flag for this static route's type. */
  67         zebra_static_types type;
  68
  69         /*
  70          * Nexthop value.
  71          */
  72         enum static_blackhole_type bh_type;
  73         union g_addr addr;
  74         ifindex_t ifindex;
  75
  76         char ifname[INTERFACE_NAMSIZ + 1];
  77
  78         /* Label information */
  79         struct static_nh_label snh_label;
  80
  81         /* Table Information */
  82         uint32_t table_id;
  83 };
  84
  85 extern void static_install_route(afi_t afi, safi_t safi, struct prefix *p,
  86                                  struct prefix_ipv6 *src_p,
  87                                  struct static_route *si);
  88 extern void static_uninstall_route(afi_t afi, safi_t safi, struct prefix *p,
  89                                    struct prefix_ipv6 *src_p,
  90                                    struct static_route *si);
  91
  92 extern int static_add_route(afi_t, safi_t safi, uint8_t type, struct prefix *p,
  93                             struct prefix_ipv6 *src_p, union g_addr *gate,
  94                             const char *ifname,
  95                             enum static_blackhole_type bh_type, route_tag_t tag,
  96                             uint8_t distance, struct zebra_vrf *zvrf,
  97                             struct zebra_vrf *nh_zvrf,
  98                             struct static_nh_label *snh_label,
  99                             uint32_t table_id);
 100
 101 extern int static_delete_route(afi_t, safi_t safi, uint8_t type,
 102                                struct prefix *p, struct prefix_ipv6 *src_p,
 103                                union g_addr *gate, const char *ifname,
 104                                route_tag_t tag, uint8_t distance,
 105                                struct zebra_vrf *zvrf,
 106                                struct static_nh_label *snh_label,
 107                                uint32_t table_id);
 108
 109 extern void static_ifindex_update(struct interface *ifp, bool up);
 110
 111 extern void static_cleanup_vrf_ids(struct zebra_vrf *zvrf);
 112 extern void static_fixup_vrf_ids(struct zebra_vrf *zvrf);
 113 #endif