--- gvpe/src/global.h 2003/10/16 02:41:21 1.15 +++ gvpe/src/global.h 2007/12/02 00:45:42 1.22 @@ -1,8 +1,10 @@ /* global.h -- global variables and constants - Copyright (C) 2003 Marc Lehmann + Copyright (C) 2003-2005 Marc Lehmann - This program is free software; you can redistribute it and/or modify + This file is part of GVPE. + + GVPE is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. @@ -13,8 +15,8 @@ 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. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + along with gvpe; if not, write to the Free Software + Foundation, Inc. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef GLOBAL_H__ @@ -47,32 +49,30 @@ #define DIGEST ENABLE_DIGEST () #define HMAC_KEYLEN (256 >> 3) // number of bits used for the HMAC key (also change CHG_HMAC_KEY) -#define MAX_SEQNO 0xfffffff0U +#define WINDOWSIZE 512 // sliding window size +#define MAX_SEQNO (0xfffffff0U - WINDOWSIZE * 8) #define CHG_SEQNO 0 // where the seqno starts within the rsa challenge #define CHG_CIPHER_KEY 4 // where the key starts within the rsa challenge #define CHG_HMAC_KEY 86 // where the key starts within the rsa challenge (256 bits at the end!) -// hdr seq len hmac MAC MAC -#define VPE_OVERHEAD (4 + 4 + 4 + RAND_SIZE + HMACLENGTH - 6 - 6) -#define IP_OVERHEAD 20 // size of a (normal) ip header -#define GRE_OVERHEAD (IP_OVERHEAD + 4) -#define ICMP_OVERHEAD (IP_OVERHEAD + 4) -#define UDP_OVERHEAD (IP_OVERHEAD + 20) // size of a (normal) ip + udp header -#define TCP_OVERHEAD (IP_OVERHEAD + 22) // size of a (normal) ip + tcp header + pakcetlength -#define MAX_OVERHEAD UDP_OVERHEAD // the max. overhead of any protocol (ok, tcp doesn't count) -#define ETH_OVERHEAD 14 // the size of an ethernet header -#define MAXSIZE (MAX_MTU + VPE_OVERHEAD)// slightly too large, but who cares - -#define PKTCACHESIZE 5 // the size of the memory pool for packets +// hdr seq len hmac MAC MAC +#define VPE_OVERHEAD (4 + 4 + 4 + RAND_SIZE + HMACLENGTH - 6 - 6) +#define IP_OVERHEAD 20 // size of a (normal) ip header +#define GRE_OVERHEAD (IP_OVERHEAD + 4) +#define ICMP_OVERHEAD (IP_OVERHEAD + 4) +#define UDP_OVERHEAD (IP_OVERHEAD + 20) // size of a (normal) ip + udp header (wrong, but don't care) +#define TCP_OVERHEAD (IP_OVERHEAD + 22) // size of a (normal) ip + tcp header + packetlength +#define MAX_OVERHEAD UDP_OVERHEAD // the max. overhead of any protocol (ok, tcp doesn't count) +#define ETH_OVERHEAD 14 // the size of an ethernet header +#define MAXSIZE (MAX_MTU + VPE_OVERHEAD) // slightly too large, but who cares -#define QUEUEDEPTH 16 // the number of packets that will be queued (should be low) +#define PKTCACHESIZE 5 // the size of the memory pool for packets -#define WINDOWSIZE 512 // sliding window size +#define QUEUEDEPTH 16 // the number of packets that will be queued (should be low) extern char *confbase; // directory in which all config files are extern char *thisnode; // config for current node (TODO: remove) -extern char *pidfilename; // pid file location #endif