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 along
  18  * with this program; see the file COPYING; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  20  */
  21
  22 #ifndef _ZEBRA_PTM_H
  23 #define _ZEBRA_PTM_H
  24
  25 extern const char ZEBRA_PTM_SOCK_NAME[];
  26 #define ZEBRA_PTM_MAX_SOCKBUF 3200 /* 25B *128 ports */
  27 #define ZEBRA_PTM_SEND_MAX_SOCKBUF 512
  28
  29 #define ZEBRA_PTM_BFD_CLIENT_FLAG_REG   (1 << 1) /* client registered with BFD */
  30
  31 #include "zebra/zserv.h"
  32 #include "zebra/interface.h"
  33
  34 /* Zebra ptm context block */
  35 struct zebra_ptm_cb {
  36         int ptm_sock; /* ptm file descriptor. */
  37
  38         struct buffer *wb; /* Buffer of data waiting to be written to ptm. */
  39
  40         struct thread *t_read;  /* Thread for read */
  41         struct thread *t_write; /* Thread for write */
  42         struct thread *t_timer; /* Thread for timer */
  43
  44         char *out_data;
  45         char *in_data;
  46         int reconnect_time;
  47
  48         int ptm_enable;
  49         int pid;
  50         uint8_t client_flags[ZEBRA_ROUTE_MAX];
  51 };
  52
  53 #define ZEBRA_PTM_STATUS_DOWN 0
  54 #define ZEBRA_PTM_STATUS_UP 1
  55 #define ZEBRA_PTM_STATUS_UNKNOWN 2
  56
  57 /* For interface ptm-enable configuration. */
  58 #define ZEBRA_IF_PTM_ENABLE_OFF    0
  59 #define ZEBRA_IF_PTM_ENABLE_ON     1
  60 #define ZEBRA_IF_PTM_ENABLE_UNSPEC 2
  61
  62 #define IS_BFD_ENABLED_PROTOCOL(protocol) ( \
  63         (protocol) == ZEBRA_ROUTE_BGP || \
  64         (protocol) == ZEBRA_ROUTE_OSPF || \
  65         (protocol) == ZEBRA_ROUTE_OSPF6 || \
  66         (protocol) == ZEBRA_ROUTE_ISIS || \
  67         (protocol) == ZEBRA_ROUTE_PIM || \
  68         (protocol) == ZEBRA_ROUTE_OPENFABRIC \
  69 )
  70
  71 void zebra_ptm_init(void);
  72 void zebra_ptm_finish(void);
  73 int zebra_ptm_connect(struct thread *t);
  74 void zebra_ptm_write(struct vty *vty);
  75 int zebra_ptm_get_enable_state(void);
  76
  77 /* ZAPI message handlers */
  78 void zebra_ptm_bfd_dst_register(ZAPI_HANDLER_ARGS);
  79 void zebra_ptm_bfd_dst_deregister(ZAPI_HANDLER_ARGS);
  80 void zebra_ptm_bfd_client_register(ZAPI_HANDLER_ARGS);
  81 #if HAVE_BFDD > 0
  82 void zebra_ptm_bfd_dst_replay(ZAPI_HANDLER_ARGS);
  83 #endif /* HAVE_BFDD */
  84
  85 void zebra_ptm_show_status(struct vty *vty, struct interface *ifp);
  86 void zebra_ptm_if_init(struct zebra_if *zebra_ifp);
  87 void zebra_ptm_if_set_ptm_state(struct interface *ifp,
  88                                 struct zebra_if *zebra_ifp);
  89 void zebra_ptm_if_write(struct vty *vty, struct zebra_if *zebra_ifp);
  90 #endif