X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet.h;h=ae3840246bca626d9c6c6e0f47f848adafa5adb5;hp=490cdcf3794bf977703c38eb59c6d25b1dcec437;hb=249933350bda2c3fa09c7ce8eb36bf84ee30a1cb;hpb=eaf1208e9d5c5a15e4b23de936830520bf3b5685

diff --git a/src/net.h b/src/net.h
index 490cdcf3..ae384024 100644
--- a/src/net.h
+++ b/src/net.h
@@ -17,7 +17,7 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: net.h,v 1.9.4.54 2002/09/10 22:12:33 guus Exp $
+    $Id: net.h,v 1.9.4.58 2003/05/07 11:21:58 guus Exp $
 */
 
 #ifndef __TINC_NET_H__
@@ -29,6 +29,7 @@
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <sys/time.h>
+#include <openssl/evp.h>
 
 #ifdef HAVE_INTTYPES_H
 #include <inttypes.h>
@@ -36,14 +37,13 @@
 
 #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 MAXSIZE (MTU + 4 + EVP_MAX_BLOCK_LENGTH + EVP_MAX_MD_SIZE + MTU/64 + 20)	/* MTU + seqno + padding + HMAC + compressor overhead */
+#define MAXBUFSIZE ((MAXSIZE > 2048 ? MAXSIZE : 2048) + 128)	/* Enough room for a request with a MAXSIZEd packet or a 8192 bits RSA key */
+
 #define MAXSOCKETS 128			/* Overkill... */
 
 #define MAXQUEUELENGTH 8		/* Maximum number of packats in a single queue */
@@ -65,8 +65,6 @@ typedef struct ipv6_t {
 	uint16_t x[8];
 } ipv6_t;
 
-typedef unsigned short port_t;
-
 typedef short length_t;
 
 typedef union {
@@ -130,6 +128,7 @@ extern int do_prune;
 extern int do_purge;
 extern char *myport;
 extern time_t now;
+extern EVP_CIPHER_CTX packet_ctx;
 
 extern void retry_outgoing(outgoing_t *);
 extern void handle_incoming_vpn_data(int);