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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 1.5 by pcg, Tue Apr 8 02:00:54 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 unshift_hdr (u16 hdrsize)
34 {
35 memmove ((void *)&(*this)[hdrsize], (void *)&(*this)[0], len);
36 len += hdrsize;
37 }
38
39 void skip_hdr (u16 hdrsize)
40 {
41 len -= hdrsize;
42 memmove ((void *)&(*this)[0], (void *)&(*this)[hdrsize], len);
43 }
44
45 void set (const net_packet &pkt)
46 {
47 len = pkt.len;
48 memcpy (&((*this)[0]), &(pkt[0]), len);
49 }
36 50
37 bool is_arp () 51 bool is_arp ()
38 { 52 {
39 return (*this)[12] == 0x08 && (*this)[13] == 0x06 // 0806 protocol 53 return (*this)[12] == 0x08 && (*this)[13] == 0x06 // 0806 protocol
40 && (*this)[14] == 0x00 && (*this)[15] == 0x01 // 0001 hw_format 54 && (*this)[14] == 0x00 && (*this)[15] == 0x01 // 0001 hw_format
… …
49struct data_packet : net_packet { 63struct data_packet : net_packet {
50 u8 data_[MAXSIZE]; 64 u8 data_[MAXSIZE];
51}; 65};
52 66
53inline 67inline
54u8 &net_packet::operator[] (u16 offset) 68u8 &net_packet::operator[] (u16 offset) const
55{ 69{
56 return ((data_packet *)this)->data_[offset]; 70 return ((data_packet *)this)->data_[offset];
57} 71}
58 72
59typedef u8 mac[6]; 73typedef u8 mac[6];

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