| … | |
… | |
| 56 | { |
56 | { |
| 57 | len -= hdrsize; |
57 | len -= hdrsize; |
| 58 | memmove ((void *)&(*this)[0], (void *)&(*this)[hdrsize], len); |
58 | memmove ((void *)&(*this)[0], (void *)&(*this)[hdrsize], len); |
| 59 | } |
59 | } |
| 60 | |
60 | |
|
|
61 | u16 ipv4_hdr_len () const |
|
|
62 | { |
|
|
63 | return ((*this)[0] & 15) << 2; |
|
|
64 | } |
|
|
65 | |
| 61 | void set (const net_packet &pkt) |
66 | void set (const net_packet &pkt) |
| 62 | { |
67 | { |
| 63 | len = pkt.len; |
68 | len = pkt.len; |
| 64 | memcpy (&((*this)[0]), &(pkt[0]), len); |
69 | memcpy (&((*this)[0]), &(pkt[0]), len); |
| 65 | } |
70 | } |
| … | |
… | |
| 95 | struct data_packet : net_packet |
100 | struct data_packet : net_packet |
| 96 | { |
101 | { |
| 97 | u8 data_[MAXSIZE]; |
102 | u8 data_[MAXSIZE]; |
| 98 | }; |
103 | }; |
| 99 | |
104 | |
| 100 | inline |
105 | inline |
| 101 | u8 &net_packet::operator[] (u16 offset) const |
106 | u8 &net_packet::operator[] (u16 offset) const |
| 102 | { |
107 | { |
| 103 | return ((data_packet *)this)->data_[offset]; |
108 | return ((data_packet *)this)->data_[offset]; |
| 104 | } |
109 | } |
| 105 | |
110 | |
| 106 | inline |
111 | inline |
| 107 | u8 *net_packet::at (u16 offset) const |
112 | u8 *net_packet::at (u16 offset) const |
| 108 | { |
113 | { |
| 109 | return &((*this)[offset]); |
114 | return &((*this)[offset]); |
| 110 | } |
115 | } |
| 111 | |
116 | |
