zebra/zebra_ptm.h

   1 /*
   2  * Definitions for prescriptive topology module (PTM).
   3  * Copyright (C) 1998, 99, 2000 Kunihiro Ishiguro, Toshiaki Takada
   4  *
   5  * This file is part of GNU Zebra.
   6  *
   7  * GNU Zebra 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  * GNU Zebra 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 GNU Zebra; 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
  23 #ifndef _ZEBRA_PTM_H
  24 #define _ZEBRA_PTM_H
  25
  26 extern const char ZEBRA_PTM_SOCK_NAME[];
  27 #define ZEBRA_PTM_MAX_SOCKBUF 3200 /* 25B *128 ports */
  28 #define ZEBRA_PTM_SEND_MAX_SOCKBUF 512
  29
  30 #define ZEBRA_PTM_BFD_CLIENT_FLAG_REG   (1 << 1) /* client registered with BFD */
  31
  32 /* Zebra ptm context block */
  33 struct zebra_ptm_cb
  34 {
  35   int ptm_sock; /* ptm file descriptor. */
  36
  37   struct buffer *wb; /* Buffer of data waiting to be written to ptm. */
  38
  39   struct thread *t_read; /* Thread for read */
  40   struct thread *t_write; /* Thread for write */
  41   struct thread *t_timer; /* Thread for timer */
  42
  43   char *out_data;
  44   char *in_data;
  45   int reconnect_time;
  46
  47   int ptm_enable;
  48   int pid;
  49   u_int8_t client_flags[ZEBRA_ROUTE_MAX];
  50 };
  51
  52 #define ZEBRA_PTM_STATUS_DOWN 0
  53 #define ZEBRA_PTM_STATUS_UP 1
  54 #define ZEBRA_PTM_STATUS_UNKNOWN 2
  55
  56 /* For interface ptm-enable configuration. */
  57 #define ZEBRA_IF_PTM_ENABLE_OFF    0
  58 #define ZEBRA_IF_PTM_ENABLE_ON     1
  59 #define ZEBRA_IF_PTM_ENABLE_UNSPEC 2
  60
  61 void zebra_ptm_init (void);
  62 void zebra_ptm_finish(void);
  63 int zebra_ptm_connect (struct thread *t);
  64 void zebra_ptm_write (struct vty *vty);
  65 int zebra_ptm_get_enable_state(void);
  66
  67 int zebra_ptm_bfd_dst_register (struct zserv *client, int sock, u_short length,
  68                                   int command, struct zebra_vrf *zvrf);
  69 int zebra_ptm_bfd_dst_deregister (struct zserv *client, int sock,
  70                                   u_short length, struct zebra_vrf *zvrf);
  71 void
  72 zebra_ptm_show_status(struct vty *vty, struct interface *ifp);
  73 int zebra_ptm_bfd_client_register (struct zserv *client, int sock,
  74                                     u_short length);
  75 void zebra_ptm_if_init(struct zebra_if *zebra_ifp);
  76 void zebra_ptm_if_set_ptm_state(struct interface *ifp, struct zebra_if *zebra_ifp);
  77 void zebra_ptm_if_write (struct vty *vty, struct zebra_if *zebra_ifp);
  78 void zebra_ptm_bfd_client_deregister (int proto);
  79 #endif