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 #include "pbr.h"
  32
  33 #include "zebra/zebra_ns.h"
  34 #include "zebra/zebra_pw.h"
  35 //#include "zebra/zebra_pbr.h"
  36
  37 /* Default port information. */
  38 #define ZEBRA_VTY_PORT                2601
  39
  40 /* Default configuration filename. */
  41 #define DEFAULT_CONFIG_FILE "zebra.conf"
  42
  43 #define ZEBRA_RMAP_DEFAULT_UPDATE_TIMER 5 /* disabled by default */
  44
  45 /* Client structure. */
  46 struct zserv {
  47         /* Client file descriptor. */
  48         int sock;
  49
  50         /* Input/output buffer to the client. */
  51         struct stream_fifo *ibuf_fifo;
  52         struct stream_fifo *obuf_fifo;
  53
  54         /* Private I/O buffers */
  55         struct stream *ibuf_work;
  56         struct stream *obuf_work;
  57
  58         /* Buffer of data waiting to be written to client. */
  59         struct buffer *wb;
  60
  61         /* Threads for read/write. */
  62         struct thread *t_read;
  63         struct thread *t_write;
  64
  65         /* Thread for delayed close. */
  66         struct thread *t_suicide;
  67
  68         /* default routing table this client munges */
  69         int rtm_table;
  70
  71         /* This client's redistribute flag. */
  72         struct redist_proto mi_redist[AFI_MAX][ZEBRA_ROUTE_MAX];
  73         vrf_bitmap_t redist[AFI_MAX][ZEBRA_ROUTE_MAX];
  74
  75         /* Redistribute default route flag. */
  76         vrf_bitmap_t redist_default;
  77
  78         /* Interface information. */
  79         vrf_bitmap_t ifinfo;
  80
  81         /* Router-id information. */
  82         vrf_bitmap_t ridinfo;
  83
  84         bool notify_owner;
  85
  86         /* client's protocol */
  87         uint8_t proto;
  88         unsigned short instance;
  89         uint8_t is_synchronous;
  90
  91         /* Statistics */
  92         uint32_t redist_v4_add_cnt;
  93         uint32_t redist_v4_del_cnt;
  94         uint32_t redist_v6_add_cnt;
  95         uint32_t redist_v6_del_cnt;
  96         uint32_t v4_route_add_cnt;
  97         uint32_t v4_route_upd8_cnt;
  98         uint32_t v4_route_del_cnt;
  99         uint32_t v6_route_add_cnt;
 100         uint32_t v6_route_del_cnt;
 101         uint32_t v6_route_upd8_cnt;
 102         uint32_t connected_rt_add_cnt;
 103         uint32_t connected_rt_del_cnt;
 104         uint32_t ifup_cnt;
 105         uint32_t ifdown_cnt;
 106         uint32_t ifadd_cnt;
 107         uint32_t ifdel_cnt;
 108         uint32_t if_bfd_cnt;
 109         uint32_t bfd_peer_add_cnt;
 110         uint32_t bfd_peer_upd8_cnt;
 111         uint32_t bfd_peer_del_cnt;
 112         uint32_t bfd_peer_replay_cnt;
 113         uint32_t vrfadd_cnt;
 114         uint32_t vrfdel_cnt;
 115         uint32_t if_vrfchg_cnt;
 116         uint32_t bfd_client_reg_cnt;
 117         uint32_t vniadd_cnt;
 118         uint32_t vnidel_cnt;
 119         uint32_t l3vniadd_cnt;
 120         uint32_t l3vnidel_cnt;
 121         uint32_t macipadd_cnt;
 122         uint32_t macipdel_cnt;
 123         uint32_t prefixadd_cnt;
 124         uint32_t prefixdel_cnt;
 125
 126         time_t connect_time;
 127         time_t last_read_time;
 128         time_t last_write_time;
 129         time_t nh_reg_time;
 130         time_t nh_dereg_time;
 131         time_t nh_last_upd_time;
 132
 133         int last_read_cmd;
 134         int last_write_cmd;
 135 };
 136
 137 #define ZAPI_HANDLER_ARGS                                                      \
 138         struct zserv *client, struct zmsghdr *hdr, struct stream *msg,         \
 139                 struct zebra_vrf *zvrf
 140
 141 /* Zebra instance */
 142 struct zebra_t {
 143         /* Thread master */
 144         struct thread_master *master;
 145         struct list *client_list;
 146
 147         /* default table */
 148         uint32_t rtm_table_default;
 149
 150 /* rib work queue */
 151 #define ZEBRA_RIB_PROCESS_HOLD_TIME 10
 152         struct work_queue *ribq;
 153         struct meta_queue *mq;
 154
 155         /* LSP work queue */
 156         struct work_queue *lsp_process_q;
 157
 158 #define ZEBRA_ZAPI_PACKETS_TO_PROCESS 10
 159         uint32_t packets_to_process;
 160 };
 161 extern struct zebra_t zebrad;
 162 extern unsigned int multipath_num;
 163
 164 /* Prototypes. */
 165 extern void zserv_init(void);
 166 extern void zebra_zserv_socket_init(char *path);
 167
 168 extern int zsend_vrf_add(struct zserv *, struct zebra_vrf *);
 169 extern int zsend_vrf_delete(struct zserv *, struct zebra_vrf *);
 170
 171 extern int zsend_interface_add(struct zserv *, struct interface *);
 172 extern int zsend_interface_delete(struct zserv *, struct interface *);
 173 extern int zsend_interface_addresses(struct zserv *, struct interface *);
 174 extern int zsend_interface_address(int, struct zserv *, struct interface *,
 175                                    struct connected *);
 176 extern void nbr_connected_add_ipv6(struct interface *, struct in6_addr *);
 177 extern void nbr_connected_delete_ipv6(struct interface *, struct in6_addr *);
 178 extern int zsend_interface_update(int, struct zserv *, struct interface *);
 179 extern int zsend_redistribute_route(int, struct zserv *, struct prefix *,
 180                                     struct prefix *, struct route_entry *);
 181 extern int zsend_router_id_update(struct zserv *, struct prefix *, vrf_id_t);
 182 extern int zsend_interface_vrf_update(struct zserv *, struct interface *,
 183                                       vrf_id_t);
 184
 185 extern int zsend_interface_link_params(struct zserv *, struct interface *);
 186 extern int zsend_pw_update(struct zserv *, struct zebra_pw *);
 187
 188 extern int zsend_route_notify_owner(struct route_entry *re, struct prefix *p,
 189                                     enum zapi_route_notify_owner note);
 190
 191 struct zebra_pbr_ipset;
 192 struct zebra_pbr_ipset_entry;
 193 struct zebra_pbr_iptable;
 194 struct zebra_pbr_rule;
 195 extern void zsend_rule_notify_owner(struct zebra_pbr_rule *rule,
 196                                     enum zapi_rule_notify_owner note);
 197 extern void zsend_ipset_notify_owner(
 198                         struct zebra_pbr_ipset *ipset,
 199                         enum zapi_ipset_notify_owner note);
 200 extern void zsend_ipset_entry_notify_owner(
 201                         struct zebra_pbr_ipset_entry *ipset,
 202                         enum zapi_ipset_entry_notify_owner note);
 203 extern void zsend_iptable_notify_owner(
 204                         struct zebra_pbr_iptable *iptable,
 205                         enum zapi_iptable_notify_owner note);
 206
 207 extern void zserv_nexthop_num_warn(const char *, const struct prefix *,
 208                                    const unsigned int);
 209 extern int zebra_server_send_message(struct zserv *client, struct stream *msg);
 210
 211 extern struct zserv *zebra_find_client(uint8_t proto, unsigned short instance);
 212
 213 #if defined(HANDLE_ZAPI_FUZZING)
 214 extern void zserv_read_file(char *input);
 215 #endif
 216
 217 #endif /* _ZEBRA_ZEBRA_H */