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Comparing gvpe/src/device.h (file contents):
Revision 1.5 by pcg, Tue Apr 8 02:00:54 2003 UTC vs.
Revision 1.10 by pcg, Thu Oct 16 02:28:36 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
46 { 46 {
47 len = pkt.len; 47 len = pkt.len;
48 memcpy (&((*this)[0]), &(pkt[0]), len); 48 memcpy (&((*this)[0]), &(pkt[0]), len);
49 } 49 }
50 50
51 bool is_ipv4 () const
52 {
53 return (*this)[12] == 0x08 && (*this)[13] == 0x00 // IP
54 && ((*this)[14] & 0xf0) == 0x40; // IPv4
55 }
56
57 u32 &ipv4_src () const
58 {
59 return *(u32 *)&(*this)[26];
60 }
61
62 u32 &ipv4_dst () const
63 {
64 return *(u32 *)&(*this)[30];
65 }
66
51 bool is_arp () 67 bool is_arp () const
52 { 68 {
53 return (*this)[12] == 0x08 && (*this)[13] == 0x06 // 0806 protocol 69 return (*this)[12] == 0x08 && (*this)[13] == 0x06 // 0806 protocol
54 && (*this)[14] == 0x00 && (*this)[15] == 0x01 // 0001 hw_format 70 && (*this)[14] == 0x00 && (*this)[15] == 0x01 // 0001 hw_format
55 && (*this)[16] == 0x08 && (*this)[17] == 0x00 // 0800 prot_format 71 && (*this)[16] == 0x08 && (*this)[17] == 0x00 // 0800 prot_format
56 && (*this)[18] == 0x06 && (*this)[19] == 0x04; // 06 hw_len 04 prot_len 72 && (*this)[18] == 0x06 && (*this)[19] == 0x04; // 06 hw_len 04 prot_len
79}; 95};
80 96
81struct tap_device { 97struct tap_device {
82 int fd; 98 int fd;
83 99
84 // linux tuntap 100 // network interface name or identifier
85 char ifrname[IFNAMSIZ + 1]; 101 char ifrname[IFNAMESIZE + 1];
86 102
87 char *device; 103 char *device;
88 104
89 tap_device (); 105 tap_device ();
90 ~tap_device (); 106 ~tap_device ();
91 107
108 //bool open ();
109 //void close ();
110
92 const char *interface () { return ifrname; } 111 const char *interface () { return ifrname; }
93 const char *info () { return _("Linux tun/tap device"); } 112 const char *info ();
94 113
95 tap_packet *recv (); 114 tap_packet *recv ();
96 void send (tap_packet *pkt); 115 void send (tap_packet *pkt);
97}; 116};
98 117
118//extern tap_device *tap_device ();
119
99#endif 120#endif
100 121

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