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/cvs/gvpe/src/device.h
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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 1.17 by pcg, Thu Mar 3 16:54:34 2005 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. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18*/ 20*/
19 21
20#ifndef VPE_DEVICE_H__ 22#ifndef VPE_DEVICE_H__
21#define VPE_DEVICE_H__ 23#define VPE_DEVICE_H__
… …
29 31
30struct net_packet { 32struct net_packet {
31 u32 len; // actually u16, but padding... 33 u32 len; // actually u16, but padding...
32 34
33 u8 &operator[] (u16 offset) const; 35 u8 &operator[] (u16 offset) const;
36 u8 *at (u16 offset) const;
34 37
35 void unshift_hdr (u16 hdrsize) 38 void unshift_hdr (u16 hdrsize)
36 { 39 {
37 memmove ((void *)&(*this)[hdrsize], (void *)&(*this)[0], len); 40 memmove ((void *)&(*this)[hdrsize], (void *)&(*this)[0], len);
38 len += hdrsize; 41 len += hdrsize;
… …
86u8 &net_packet::operator[] (u16 offset) const 89u8 &net_packet::operator[] (u16 offset) const
87{ 90{
88 return ((data_packet *)this)->data_[offset]; 91 return ((data_packet *)this)->data_[offset];
89} 92}
90 93
94inline
95u8 *net_packet::at (u16 offset) const
96{
97 return &((*this)[offset]);
98}
99
91struct tap_packet : net_packet { 100struct tap_packet : net_packet {
92 mac dst; 101 mac dst;
93 mac src; 102 mac src;
94 u8 data[MAXSIZE - 12]; 103 u8 data[MAXSIZE - 12];
95}; 104};

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