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/cvs/gvpe/src/device.h
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Comparing gvpe/src/device.h (file contents):
Revision 1.1 by pcg, Sat Mar 1 15:53:03 2003 UTC vs.
Revision 1.4 by pcg, Sun Apr 6 20:01:52 2003 UTC

… …
17*/ 17*/
18 18
19#ifndef VPE_DEVICE_H__ 19#ifndef VPE_DEVICE_H__
20#define VPE_DEVICE_H__ 20#define VPE_DEVICE_H__
21 21
22#include "config.h"
23
24#include <cstdlib>
25
26#include <net/if.h> 22#include <net/if.h>
27 23
28#include "gettext.h" 24#include "gettext.h"
29 25
30#include "global.h" 26#include "global.h"
31 27
32struct net_packet { 28struct net_packet {
33 u32 len; // actually u16, but padding... 29 u32 len; // actually u16, but padding...
34 30
35 u8 &operator[] (u16 offset); 31 u8 &operator[] (u16 offset) const;
32
33 void skip_hdr (u16 hdrsize)
34 {
35 memmove ((void *)&(*this)[0], (void *)&(*this)[hdrsize], len -= hdrsize);
36 }
37
38 void set (const net_packet &pkt)
39 {
40 len = pkt.len;
41 memcpy (&((*this)[0]), &(pkt[0]), len);
42 }
36 43
37 bool is_arp () 44 bool is_arp ()
38 { 45 {
39 return (*this)[12] == 0x08 && (*this)[13] == 0x06 // 0806 protocol 46 return (*this)[12] == 0x08 && (*this)[13] == 0x06 // 0806 protocol
40 && (*this)[14] == 0x00 && (*this)[15] == 0x01 // 0001 hw_format 47 && (*this)[14] == 0x00 && (*this)[15] == 0x01 // 0001 hw_format
… …
49struct data_packet : net_packet { 56struct data_packet : net_packet {
50 u8 data_[MAXSIZE]; 57 u8 data_[MAXSIZE];
51}; 58};
52 59
53inline 60inline
54u8 &net_packet::operator[] (u16 offset) 61u8 &net_packet::operator[] (u16 offset) const
55{ 62{
56 return ((data_packet *)this)->data_[offset]; 63 return ((data_packet *)this)->data_[offset];
57} 64}
58 65
59typedef u8 mac[6]; 66typedef u8 mac[6];

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