zebra/zebra_router.h

   1 /* Zebra Router header.
   2  * Copyright (C) 2018 Cumulus Networks, Inc.
   3  *                    Donald Sharp
   4  *
   5  * This file is part of FRR.
   6  *
   7  * FRR is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the
   9  * Free Software Foundation; either version 2, or (at your option) any
  10  * later version.
  11  *
  12  * FRR is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with FRR; see the file COPYING.  If not, write to the Free
  19  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  20  * 02111-1307, USA.
  21  */
  22 #ifndef __ZEBRA_ROUTER_H__
  23 #define __ZEBRA_ROUTER_H__
  24
  25 #include "zebra/zebra_ns.h"
  26
  27 /*
  28  * This header file contains the idea of a router and as such
  29  * owns data that is associated with a router from zebra's
  30  * perspective.
  31  */
  32
  33 struct zebra_router_table {
  34         RB_ENTRY(zebra_router_table) zebra_router_table_entry;
  35
  36         uint32_t tableid;
  37         afi_t afi;
  38         safi_t safi;
  39         ns_id_t ns_id;
  40
  41         struct route_table *table;
  42 };
  43 RB_HEAD(zebra_router_table_head, zebra_router_table);
  44 RB_PROTOTYPE(zebra_router_table_head, zebra_router_table,
  45              zebra_router_table_entry, zebra_router_table_entry_compare)
  46
  47 struct zebra_router {
  48         /* Thread master */
  49         struct thread_master *master;
  50
  51         /* Lists of clients who have connected to us */
  52         struct list *client_list;
  53
  54         struct zebra_router_table_head tables;
  55
  56         /* L3-VNI hash table (for EVPN). Only in default instance */
  57         struct hash *l3vni_table;
  58
  59         struct hash *rules_hash;
  60
  61         struct hash *ipset_hash;
  62
  63         struct hash *ipset_entry_hash;
  64
  65         struct hash *iptable_hash;
  66
  67 #if defined(HAVE_RTADV)
  68         struct rtadv rtadv;
  69 #endif /* HAVE_RTADV */
  70
  71         /* A sequence number used for tracking routes */
  72         _Atomic uint32_t sequence_num;
  73
  74         /* The default table used for this router */
  75         uint32_t rtm_table_default;
  76
  77         /* rib work queue */
  78 #define ZEBRA_RIB_PROCESS_HOLD_TIME 10
  79 #define ZEBRA_RIB_PROCESS_RETRY_TIME 1
  80         struct work_queue *ribq;
  81
  82         /* Meta Queue Information */
  83         struct meta_queue *mq;
  84
  85         /* LSP work queue */
  86         struct work_queue *lsp_process_q;
  87
  88 #define ZEBRA_ZAPI_PACKETS_TO_PROCESS 1000
  89         _Atomic uint32_t packets_to_process;
  90 };
  91
  92 extern struct zebra_router zrouter;
  93
  94 extern void zebra_router_init(void);
  95 extern void zebra_router_terminate(void);
  96
  97 extern struct route_table *zebra_router_find_table(struct zebra_vrf *zvrf,
  98                                                    uint32_t tableid, afi_t afi,
  99                                                    safi_t safi);
 100 extern struct route_table *zebra_router_get_table(struct zebra_vrf *zvrf,
 101                                                   uint32_t tableid, afi_t afi,
 102                                                   safi_t safi);
 103
 104 extern int zebra_router_config_write(struct vty *vty);
 105
 106 extern unsigned long zebra_router_score_proto(uint8_t proto,
 107                                               unsigned short instance);
 108 extern void zebra_router_sweep_route(void);
 109
 110 extern void zebra_router_show_table_summary(struct vty *vty);
 111
 112 extern uint32_t zebra_router_get_next_sequence(void);
 113 #endif