Detect increases in PMTU.

[tinc] / src / device.h

diff --git a/src/device.h b/src/device.h
index 34a6e4d..a3c2914 100644 (file)
--- a/src/device.h
+++ b/src/device.h
@@ -1,7 +1,7 @@
 /*
-    net.h -- generic header for device.c
+    device.h -- generic header for device.c
     Copyright (C) 2001-2005 Ivo Timmermans
-                  2001-2006 Guus Sliepen <guus@tinc-vpn.org>
+                  2001-2012 Guus Sliepen <guus@tinc-vpn.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -13,9 +13,9 @@
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
 #ifndef __TINC_DEVICE_H__
@@ -28,10 +28,20 @@ extern char *device;
 
 extern char *iface;
 
-extern bool setup_device(void);
-extern void close_device(void);
-extern bool read_packet(struct vpn_packet_t *);
-extern bool write_packet(struct vpn_packet_t *);
-extern void dump_device_stats(void);
+typedef struct devops_t {
+       bool (*setup)(void);
+       void (*close)(void);
+       bool (*read)(struct vpn_packet_t *);
+       bool (*write)(struct vpn_packet_t *);
+       void (*dump_stats)(void);
+} devops_t;
+
+extern const devops_t os_devops;
+extern const devops_t dummy_devops;
+extern const devops_t raw_socket_devops;
+extern const devops_t multicast_devops;
+extern const devops_t uml_devops;
+extern const devops_t vde_devops;
+extern devops_t devops;
 
 #endif                                                 /* __TINC_DEVICE_H__ */