release/src/router/tinc/src/device.h

   1 /*
   2     device.h -- generic header for device.c
   3     Copyright (C) 2001-2005 Ivo Timmermans
   4                   2001-2012 Guus Sliepen <guus@tinc-vpn.org>
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU 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; if not, write to the Free Software Foundation, Inc.,
  18     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 */
  20
  21 #ifndef __TINC_DEVICE_H__
  22 #define __TINC_DEVICE_H__
  23
  24 #include "net.h"
  25
  26 extern int device_fd;
  27 extern char *device;
  28 extern char *iface;
  29
  30 extern uint64_t device_in_packets;
  31 extern uint64_t device_in_bytes;
  32 extern uint64_t device_out_packets;
  33 extern uint64_t device_out_bytes;
  34
  35 typedef struct devops_t {
  36         bool (*setup)(void);
  37         void (*close)(void);
  38         bool (*read)(struct vpn_packet_t *);
  39         bool (*write)(struct vpn_packet_t *);
  40 } devops_t;
  41
  42 extern const devops_t os_devops;
  43 extern const devops_t dummy_devops;
  44 extern const devops_t raw_socket_devops;
  45 extern const devops_t multicast_devops;
  46 extern const devops_t uml_devops;
  47 extern const devops_t vde_devops;
  48 extern devops_t devops;
  49
  50 #endif /* __TINC_DEVICE_H__ */