| … | |
… | |
| 29 | |
29 | |
| 30 | struct net_packet { |
30 | struct net_packet { |
| 31 | u32 len; // actually u16, but padding... |
31 | u32 len; // actually u16, but padding... |
| 32 | |
32 | |
| 33 | u8 &operator[] (u16 offset) const; |
33 | u8 &operator[] (u16 offset) const; |
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34 | u8 *at (u16 offset) const; |
| 34 | |
35 | |
| 35 | void unshift_hdr (u16 hdrsize) |
36 | void unshift_hdr (u16 hdrsize) |
| 36 | { |
37 | { |
| 37 | memmove ((void *)&(*this)[hdrsize], (void *)&(*this)[0], len); |
38 | memmove ((void *)&(*this)[hdrsize], (void *)&(*this)[0], len); |
| 38 | len += hdrsize; |
39 | len += hdrsize; |
| … | |
… | |
| 86 | u8 &net_packet::operator[] (u16 offset) const |
87 | u8 &net_packet::operator[] (u16 offset) const |
| 87 | { |
88 | { |
| 88 | return ((data_packet *)this)->data_[offset]; |
89 | return ((data_packet *)this)->data_[offset]; |
| 89 | } |
90 | } |
| 90 | |
91 | |
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92 | inline |
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93 | u8 *net_packet::at (u16 offset) const |
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94 | { |
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95 | return &((*this)[offset]); |
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96 | } |
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97 | |
| 91 | struct tap_packet : net_packet { |
98 | struct tap_packet : net_packet { |
| 92 | mac dst; |
99 | mac dst; |
| 93 | mac src; |
100 | mac src; |
| 94 | u8 data[MAXSIZE - 12]; |
101 | u8 data[MAXSIZE - 12]; |
| 95 | }; |
102 | }; |
