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Comparing gvpe/src/device.h (file contents):
Revision 1.12 by pcg, Thu Oct 16 14:12:00 2003 UTC vs.
Revision 1.21 by pcg, Sun Dec 2 00:09:36 2007 UTC

1/* 1/*
2 device.h -- generic header for device.c 2 device.h -- generic header for device.c
3 Copyright (C) 2003 Marc Lehmann <pcg@goof.com> 3 Copyright (C) 2003-2005 Marc Lehmann <gvpe@schmorp.de>
4 4
5 This file is part of GVPE.
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 VPE_DEVICE_H__ 22#ifndef GVPE_DEVICE_H__
21#define VPE_DEVICE_H__ 23#define GVPE_DEVICE_H__
24
25#include "config.h"
22 26
23#define IFNAMESIZE 256 // be conservative 27#define IFNAMESIZE 256 // be conservative
24
25#include "gettext.h"
26 28
27#include "global.h" 29#include "global.h"
28#include "util.h" 30#include "util.h"
29 31
30struct net_packet { 32struct net_packet
33{
31 u32 len; // actually u16, but padding... 34 u32 len; // actually u16, but padding...
32 35
33 u8 &operator[] (u16 offset) const; 36 u8 &operator[] (u16 offset) const;
37 u8 *at (u16 offset) const;
34 38
35 void unshift_hdr (u16 hdrsize) 39 void unshift_hdr (u16 hdrsize)
36 { 40 {
37 memmove ((void *)&(*this)[hdrsize], (void *)&(*this)[0], len); 41 memmove ((void *)&(*this)[hdrsize], (void *)&(*this)[0], len);
38 len += hdrsize; 42 len += hdrsize;
… …
76 80
77 void *operator new (size_t s); 81 void *operator new (size_t s);
78 void operator delete (void *p); 82 void operator delete (void *p);
79}; 83};
80 84
81struct data_packet : net_packet { 85struct data_packet : net_packet
86{
82 u8 data_[MAXSIZE]; 87 u8 data_[MAXSIZE];
83}; 88};
84 89
85inline 90inline
86u8 &net_packet::operator[] (u16 offset) const 91u8 &net_packet::operator[] (u16 offset) const
87{ 92{
88 return ((data_packet *)this)->data_[offset]; 93 return ((data_packet *)this)->data_[offset];
89} 94}
90 95
96inline
97u8 *net_packet::at (u16 offset) const
98{
99 return &((*this)[offset]);
100}
101
91struct tap_packet : net_packet { 102struct tap_packet : net_packet
103{
92 mac dst; 104 mac dst;
93 mac src; 105 mac src;
94 u8 data[MAXSIZE - 12]; 106 u8 data[MAXSIZE - 12];
95}; 107};
96 108
97struct tap_device { 109struct tap_device
110{
98 int fd; 111 int fd;
99 112
100 // network interface name or identifier 113 // network interface name or identifier
101 char ifrname[IFNAMESIZE + 1]; 114 char ifrname[IFNAMESIZE + 1];
102 115
… …
108 //bool open (); 121 //bool open ();
109 //void close (); 122 //void close ();
110 123
111 const char *interface () { return ifrname; } 124 const char *interface () { return ifrname; }
112 const char *info (); 125 const char *info ();
126 const char *if_up ();
113 127
114 tap_packet *recv (); 128 tap_packet *recv ();
115 void send (tap_packet *pkt); 129 void send (tap_packet *pkt);
116}; 130};
117 131

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