along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: net.h,v 1.9.4.42 2002/02/26 22:47:51 guus Exp $
+ $Id: net.h,v 1.9.4.48 2002/03/22 11:43:48 guus Exp $
*/
#ifndef __TINC_NET_H__
#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... */
typedef struct mac_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];
} vpn_packet_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;
-extern int udp_socket;
+extern listen_socket_t listen_socket[MAXSOCKETS];
+extern int listen_sockets;
extern int keyexpires;
extern int keylifetime;
extern int do_prune;
extern int do_purge;
extern char *myport;
+extern time_t now;
extern void retry_outgoing(outgoing_t *);
-extern void handle_incoming_vpn_data(void);
+extern void handle_incoming_vpn_data(int);
extern void finish_connecting(connection_t *);
extern void do_outgoing_connection(connection_t *);
-extern int handle_new_meta_connection(void);
+extern int handle_new_meta_connection(int);
extern int setup_listen_socket(sockaddr_t *);
extern int setup_vpn_in_socket(sockaddr_t *);
extern void send_packet(struct node_t *, vpn_packet_t *);