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| 20 | #define VPE_DEVICE_H__ |
20 | #define VPE_DEVICE_H__ |
| 21 | |
21 | |
| 22 | #include "config.h" |
22 | #include "config.h" |
| 23 | |
23 | |
| 24 | #include <cstdlib> |
24 | #include <cstdlib> |
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25 | #include <cstring> |
| 25 | |
26 | |
| 26 | #include <net/if.h> |
27 | #include <net/if.h> |
| 27 | |
28 | |
| 28 | #include "gettext.h" |
29 | #include "gettext.h" |
| 29 | |
30 | |
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| 31 | |
32 | |
| 32 | struct net_packet { |
33 | struct net_packet { |
| 33 | u32 len; // actually u16, but padding... |
34 | u32 len; // actually u16, but padding... |
| 34 | |
35 | |
| 35 | u8 &operator[] (u16 offset); |
36 | u8 &operator[] (u16 offset); |
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37 | |
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38 | void skip_hdr (u16 hdrsize) |
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39 | { |
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40 | memmove ((void *)&(*this)[0], (void *)&(*this)[hdrsize], len -= hdrsize); |
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41 | } |
| 36 | |
42 | |
| 37 | bool is_arp () |
43 | bool is_arp () |
| 38 | { |
44 | { |
| 39 | return (*this)[12] == 0x08 && (*this)[13] == 0x06 // 0806 protocol |
45 | return (*this)[12] == 0x08 && (*this)[13] == 0x06 // 0806 protocol |
| 40 | && (*this)[14] == 0x00 && (*this)[15] == 0x01 // 0001 hw_format |
46 | && (*this)[14] == 0x00 && (*this)[15] == 0x01 // 0001 hw_format |
