/*
net.h -- header for net.c
Copyright (C) 1998-2002 Ivo Timmermans <zarq@iname.com>
- 2000-2002 Guus Sliepen <guus@sliepen.warande.net>
+ 2000-2002 Guus Sliepen <guus@sliepen.eu.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
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: net.h,v 1.9.4.46 2002/03/01 14:09:31 guus Exp $
+ $Id: net.h,v 1.9.4.52 2002/06/21 10:11:12 guus Exp $
*/
#ifndef __TINC_NET_H__
#include <netinet/in.h>
#include <sys/time.h>
+#ifdef HAVE_INTTYPES_H
+ #include <inttypes.h>
+#endif
+
#include "config.h"
-#define MTU 1514 /* 1500 bytes payload + 14 bytes ethernet header */
-#define MAXSIZE 1600 /* MTU + header (seqno) and trailer (CBC padding and HMAC) */
+#ifdef ENABLE_JUMBOGRAMS
+ #define MTU 9014 /* 9000 bytes payload + 14 bytes ethernet header */
+ #define MAXSIZE 9100 /* MTU + header (seqno) and trailer (CBC padding and HMAC) */
+ #define MAXBUFSIZE 9100 /* Must support TCP packets of length 9000. */
+#else
+ #define MTU 1514 /* 1500 bytes payload + 14 bytes ethernet header */
+ #define MAXSIZE 1600 /* MTU + header (seqno) and trailer (CBC padding and HMAC) */
+ #define MAXBUFSIZE 2100 /* Quite large but needed for support of keys up to 8192 bits. */
+#endif
-#define MAXBUFSIZE 2048 /* Probably way too much, but it must fit every possible request. */
#define MAXSOCKETS 128 /* Overkill... */
+#define MAXQUEUELENGTH 8 /* Maximum number of packats in a single queue */
+
typedef struct mac_t
{
- unsigned char x[6];
+ uint8_t x[6];
} mac_t;
typedef struct ipv4_t
{
- unsigned char x[4];
+ uint8_t x[4];
} ipv4_t;
typedef struct ip_mask_t {
typedef struct ipv6_t
{
- unsigned short x[8];
+ uint16_t x[8];
} ipv6_t;
typedef unsigned short port_t;
typedef struct vpn_packet_t {
length_t len; /* the actual number of bytes in the `data' field */
int priority; /* priority or TOS */
- unsigned int seqno; /* 32 bits sequence number (network byte order of course) */
- unsigned char data[MAXSIZE];
+ uint32_t seqno; /* 32 bits sequence number (network byte order of course) */
+ uint8_t data[MAXSIZE];
} vpn_packet_t;
typedef struct queue_element_t {
struct addrinfo *aip;
} outgoing_t;
+typedef struct listen_socket_t {
+ int tcp;
+ int udp;
+ sockaddr_t sa;
+} listen_socket_t;
+
extern int maxtimeout;
extern int seconds_till_retry;
extern int addressfamily;
#include "connection.h" /* Yes, very strange placement indeed, but otherwise the typedefs get all tangled up */
-extern int tcp_socket[MAXSOCKETS];
-extern int udp_socket[MAXSOCKETS];
+extern listen_socket_t listen_socket[MAXSOCKETS];
extern int listen_sockets;
extern int keyexpires;
extern int keylifetime;