zebra/zserv.h

   1 /* Zebra daemon server header.
   2  * Copyright (C) 1997, 98 Kunihiro Ishiguro
   3  *
   4  * This file is part of GNU Zebra.
   5  *
   6  * GNU Zebra is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the
   8  * Free Software Foundation; either version 2, or (at your option) any
   9  * later version.
  10  *
  11  * GNU Zebra is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; see the file COPYING; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 #ifndef _ZEBRA_ZSERV_H
  22 #define _ZEBRA_ZSERV_H
  23
  24 #include "rib.h"
  25 #include "if.h"
  26 #include "workqueue.h"
  27 #include "vrf.h"
  28 #include "routemap.h"
  29 #include "vty.h"
  30 #include "zclient.h"
  31
  32 #include "zebra/zebra_ns.h"
  33 #include "zebra/zebra_pw.h"
  34
  35 /* Default port information. */
  36 #define ZEBRA_VTY_PORT                2601
  37
  38 /* Default configuration filename. */
  39 #define DEFAULT_CONFIG_FILE "zebra.conf"
  40
  41 #define ZEBRA_RMAP_DEFAULT_UPDATE_TIMER 5 /* disabled by default */
  42
  43 /* Client structure. */
  44 struct zserv {
  45         /* Client file descriptor. */
  46         int sock;
  47
  48         /* Input/output buffer to the client. */
  49         struct stream *ibuf;
  50         struct stream *obuf;
  51
  52         /* Buffer of data waiting to be written to client. */
  53         struct buffer *wb;
  54
  55         /* Threads for read/write. */
  56         struct thread *t_read;
  57         struct thread *t_write;
  58
  59         /* Thread for delayed close. */
  60         struct thread *t_suicide;
  61
  62         /* default routing table this client munges */
  63         int rtm_table;
  64
  65         /* This client's redistribute flag. */
  66         struct redist_proto mi_redist[AFI_MAX][ZEBRA_ROUTE_MAX];
  67         vrf_bitmap_t redist[AFI_MAX][ZEBRA_ROUTE_MAX];
  68
  69         /* Redistribute default route flag. */
  70         vrf_bitmap_t redist_default;
  71
  72         /* Interface information. */
  73         vrf_bitmap_t ifinfo;
  74
  75         /* Router-id information. */
  76         vrf_bitmap_t ridinfo;
  77
  78         /* client's protocol */
  79         u_char proto;
  80         u_short instance;
  81         u_char is_synchronous;
  82
  83         /* Statistics */
  84         u_int32_t redist_v4_add_cnt;
  85         u_int32_t redist_v4_del_cnt;
  86         u_int32_t redist_v6_add_cnt;
  87         u_int32_t redist_v6_del_cnt;
  88         u_int32_t v4_route_add_cnt;
  89         u_int32_t v4_route_upd8_cnt;
  90         u_int32_t v4_route_del_cnt;
  91         u_int32_t v6_route_add_cnt;
  92         u_int32_t v6_route_del_cnt;
  93         u_int32_t v6_route_upd8_cnt;
  94         u_int32_t connected_rt_add_cnt;
  95         u_int32_t connected_rt_del_cnt;
  96         u_int32_t ifup_cnt;
  97         u_int32_t ifdown_cnt;
  98         u_int32_t ifadd_cnt;
  99         u_int32_t ifdel_cnt;
 100         u_int32_t if_bfd_cnt;
 101         u_int32_t bfd_peer_add_cnt;
 102         u_int32_t bfd_peer_upd8_cnt;
 103         u_int32_t bfd_peer_del_cnt;
 104         u_int32_t bfd_peer_replay_cnt;
 105         u_int32_t vrfadd_cnt;
 106         u_int32_t vrfdel_cnt;
 107         u_int32_t if_vrfchg_cnt;
 108         u_int32_t bfd_client_reg_cnt;
 109         u_int32_t vniadd_cnt;
 110         u_int32_t vnidel_cnt;
 111         u_int32_t macipadd_cnt;
 112         u_int32_t macipdel_cnt;
 113
 114         time_t connect_time;
 115         time_t last_read_time;
 116         time_t last_write_time;
 117         time_t nh_reg_time;
 118         time_t nh_dereg_time;
 119         time_t nh_last_upd_time;
 120
 121         int last_read_cmd;
 122         int last_write_cmd;
 123 };
 124
 125 /* Zebra instance */
 126 struct zebra_t {
 127         /* Thread master */
 128         struct thread_master *master;
 129         struct list *client_list;
 130
 131         /* default table */
 132         u_int32_t rtm_table_default;
 133
 134         /* rib work queue */
 135         #define ZEBRA_RIB_PROCESS_HOLD_TIME 10
 136         struct work_queue *ribq;
 137         struct meta_queue *mq;
 138
 139         /* LSP work queue */
 140         struct work_queue *lsp_process_q;
 141
 142         #define ZEBRA_ZAPI_PACKETS_TO_PROCESS 10
 143         u_int32_t packets_to_process;
 144 };
 145 extern struct zebra_t zebrad;
 146 extern unsigned int multipath_num;
 147
 148 /* Prototypes. */
 149 extern void zebra_init(void);
 150 extern void zebra_if_init(void);
 151 extern void zebra_zserv_socket_init(char *path);
 152 extern void hostinfo_get(void);
 153 extern void rib_init(void);
 154 extern void interface_list(struct zebra_ns *);
 155 extern void route_read(struct zebra_ns *);
 156 extern void macfdb_read(struct zebra_ns *);
 157 extern void macfdb_read_for_bridge(struct zebra_ns *, struct interface *,
 158                                    struct interface *);
 159 extern void neigh_read(struct zebra_ns *);
 160 extern void neigh_read_for_vlan(struct zebra_ns *, struct interface *);
 161 extern void kernel_init(struct zebra_ns *);
 162 extern void kernel_terminate(struct zebra_ns *);
 163 extern void zebra_route_map_init(void);
 164 extern void zebra_vty_init(void);
 165
 166 extern int zsend_vrf_add(struct zserv *, struct zebra_vrf *);
 167 extern int zsend_vrf_delete(struct zserv *, struct zebra_vrf *);
 168
 169 extern int zsend_interface_add(struct zserv *, struct interface *);
 170 extern int zsend_interface_delete(struct zserv *, struct interface *);
 171 extern int zsend_interface_addresses(struct zserv *, struct interface *);
 172 extern int zsend_interface_address(int, struct zserv *, struct interface *,
 173                                    struct connected *);
 174 extern void nbr_connected_add_ipv6(struct interface *, struct in6_addr *);
 175 extern void nbr_connected_delete_ipv6(struct interface *, struct in6_addr *);
 176 extern int zsend_interface_update(int, struct zserv *, struct interface *);
 177 extern int zsend_redistribute_route(int, struct zserv *, struct prefix *,
 178                                     struct prefix *, struct route_entry *);
 179 extern int zsend_router_id_update(struct zserv *, struct prefix *, vrf_id_t);
 180 extern int zsend_interface_vrf_update(struct zserv *, struct interface *,
 181                                       vrf_id_t);
 182
 183 extern int zsend_interface_link_params(struct zserv *, struct interface *);
 184 extern int zsend_pw_update(struct zserv *, struct zebra_pw *);
 185
 186 extern pid_t pid;
 187
 188 extern void zserv_create_header(struct stream *s, uint16_t cmd,
 189                                 vrf_id_t vrf_id);
 190 extern void zserv_nexthop_num_warn(const char *, const struct prefix *,
 191                                    const unsigned int);
 192 extern int zebra_server_send_message(struct zserv *client);
 193
 194 extern struct zserv *zebra_find_client(u_char proto);
 195
 196 #endif /* _ZEBRA_ZEBRA_H */