| … | … | ||
|---|---|---|---|
| 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 | void skip_ipv4_hdr (u16 extra = 0) | 61 | u16 ipv4_hdr_len () const |
| 62 | { | 62 | { |
| 63 | skip_hdr ((((*this)[0] & 15) << 2) + extra); | 63 | return ((*this)[0] & 15) << 2; |
| 64 | } | 64 | } |
| 65 | 65 | ||
| 66 | void set (const net_packet &pkt) | 66 | void set (const net_packet &pkt) |
| 67 | { | 67 | { |
| 68 | len = pkt.len; | 68 | len = pkt.len; |
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