1 | /* |
1 | /* |
2 | global.h -- global variables and constants |
2 | global.h -- global variables and constants |
3 | Copyright (C) 2003-2004 Marc Lehmann <pcg@goof.com> |
3 | Copyright (C) 2003-2005 Marc Lehmann <gvpe@schmorp.de> |
4 | |
4 | |
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5 | This file is part of GVPE. |
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6 | |
5 | This program is free software; you can redistribute it and/or modify |
7 | GVPE is free software; you can redistribute it and/or modify |
6 | it under the terms of the GNU General Public License as published by |
8 | it under the terms of the GNU General Public License as published by |
7 | the Free Software Foundation; either version 2 of the License, or |
9 | the Free Software Foundation; either version 2 of the License, or |
8 | (at your option) any later version. |
10 | (at your option) any later version. |
9 | |
11 | |
10 | This program is distributed in the hope that it will be useful, |
12 | This program is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | GNU General Public License for more details. |
15 | GNU General Public License for more details. |
14 | |
16 | |
15 | You should have received a copy of the GNU General Public License |
17 | You should have received a copy of the GNU General Public License |
16 | along with this program; if not, write to the Free Software |
18 | along with gvpe; if not, write to the Free Software |
17 | Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
19 | Foundation, Inc. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
18 | */ |
20 | */ |
19 | |
21 | |
20 | #ifndef GLOBAL_H__ |
22 | #ifndef GLOBAL_H__ |
21 | #define GLOBAL_H__ |
23 | #define GLOBAL_H__ |
22 | |
24 | |
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56 | // hdr seq len hmac MAC MAC |
58 | // hdr seq len hmac MAC MAC |
57 | #define VPE_OVERHEAD (4 + 4 + 4 + RAND_SIZE + HMACLENGTH - 6 - 6) |
59 | #define VPE_OVERHEAD (4 + 4 + 4 + RAND_SIZE + HMACLENGTH - 6 - 6) |
58 | #define IP_OVERHEAD 20 // size of a (normal) ip header |
60 | #define IP_OVERHEAD 20 // size of a (normal) ip header |
59 | #define GRE_OVERHEAD (IP_OVERHEAD + 4) |
61 | #define GRE_OVERHEAD (IP_OVERHEAD + 4) |
60 | #define ICMP_OVERHEAD (IP_OVERHEAD + 4) |
62 | #define ICMP_OVERHEAD (IP_OVERHEAD + 4) |
61 | #define UDP_OVERHEAD (IP_OVERHEAD + 20) // size of a (normal) ip + udp header |
63 | #define UDP_OVERHEAD (IP_OVERHEAD + 20) // size of a (normal) ip + udp header (wrong, but don't care) |
62 | #define TCP_OVERHEAD (IP_OVERHEAD + 22) // size of a (normal) ip + tcp header + pakcetlength |
64 | #define TCP_OVERHEAD (IP_OVERHEAD + 22) // size of a (normal) ip + tcp header + packetlength |
63 | #define MAX_OVERHEAD UDP_OVERHEAD // the max. overhead of any protocol (ok, tcp doesn't count) |
65 | #define MAX_OVERHEAD UDP_OVERHEAD // the max. overhead of any protocol (ok, tcp doesn't count) |
64 | #define ETH_OVERHEAD 14 // the size of an ethernet header |
66 | #define ETH_OVERHEAD 14 // the size of an ethernet header |
65 | #define MAXSIZE (MAX_MTU + VPE_OVERHEAD)// slightly too large, but who cares |
67 | #define MAXSIZE (MAX_MTU + VPE_OVERHEAD)// slightly too large, but who cares |
66 | |
68 | |
67 | #define PKTCACHESIZE 5 // the size of the memory pool for packets |
69 | #define PKTCACHESIZE 5 // the size of the memory pool for packets |
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70 | |
72 | |
71 | #define WINDOWSIZE 512 // sliding window size |
73 | #define WINDOWSIZE 512 // sliding window size |
72 | |
74 | |
73 | extern char *confbase; // directory in which all config files are |
75 | extern char *confbase; // directory in which all config files are |
74 | extern char *thisnode; // config for current node (TODO: remove) |
76 | extern char *thisnode; // config for current node (TODO: remove) |
75 | extern char *pidfilename; // pid file location |
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76 | |
77 | |
77 | #endif |
78 | #endif |
78 | |
79 | |