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/cvs/gvpe/src/device.h
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Comparing gvpe/src/device.h (file contents):
Revision 1.9 by pcg, Tue Oct 14 17:06:21 2003 UTC vs.
Revision 1.10 by pcg, Thu Oct 16 02:28:36 2003 UTC

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

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