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Comparing gvpe/src/device.h (file contents):
Revision 1.4 by pcg, Sun Apr 6 20:01:52 2003 UTC vs.
Revision 1.7 by pcg, Tue Oct 14 16:59:34 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 <net/if.h> 22#define IFNAMESIZE 256 // be conservative
23 23
24#include "gettext.h" 24#include "gettext.h"
25 25
26#include "global.h" 26#include "global.h"
27 27
28struct net_packet { 28struct net_packet {
29 u32 len; // actually u16, but padding... 29 u32 len; // actually u16, but padding...
30 30
31 u8 &operator[] (u16 offset) const; 31 u8 &operator[] (u16 offset) const;
32 32
33 void unshift_hdr (u16 hdrsize)
34 {
35 memmove ((void *)&(*this)[hdrsize], (void *)&(*this)[0], len);
36 len += hdrsize;
37 }
38
33 void skip_hdr (u16 hdrsize) 39 void skip_hdr (u16 hdrsize)
34 { 40 {
41 len -= hdrsize;
35 memmove ((void *)&(*this)[0], (void *)&(*this)[hdrsize], len -= hdrsize); 42 memmove ((void *)&(*this)[0], (void *)&(*this)[hdrsize], len);
36 } 43 }
37 44
38 void set (const net_packet &pkt) 45 void set (const net_packet &pkt)
39 { 46 {
40 len = pkt.len; 47 len = pkt.len;
… …
69 mac dst; 76 mac dst;
70 mac src; 77 mac src;
71 u8 data[MAXSIZE - 12]; 78 u8 data[MAXSIZE - 12];
72}; 79};
73 80
74struct tap_device { 81struct tap_device_base {
75 int fd; 82 int fd;
76 83
77 // linux tuntap 84 // network interface name or identifier
78 char ifrname[IFNAMSIZ + 1]; 85 char ifrname[IFNAMESIZE + 1];
79 86
80 char *device; 87 char *device;
81 88
82 tap_device (); 89 bool open ();
83 ~tap_device (); 90 void close ();
84 91
85 const char *interface () { return ifrname; } 92 const char *interface () { return ifrname; }
86 const char *info () { return _("Linux tun/tap device"); } 93 const char *info ();
87 94
88 tap_packet *recv (); 95 tap_packet *recv ();
89 void send (tap_packet *pkt); 96 void send (tap_packet *pkt);
90}; 97};
91 98
99struct tap_device;
100
101extern tap_device tap;
102
92#endif 103#endif
93 104

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