diff options
Diffstat (limited to 'include/net/eth.h')
| -rw-r--r-- | include/net/eth.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/net/eth.h b/include/net/eth.h index 18d0be3b16..5a32259938 100644 --- a/include/net/eth.h +++ b/include/net/eth.h @@ -67,6 +67,14 @@ typedef struct tcp_header { uint16_t th_urp; /* urgent pointer */ } tcp_header; +#define TCP_FLAGS_ONLY(flags) ((flags) & 0x3f) + +#define TCP_HEADER_FLAGS(tcp) \ + TCP_FLAGS_ONLY(be16_to_cpu((tcp)->th_offset_flags)) + +#define TCP_HEADER_DATA_OFFSET(tcp) \ + (((be16_to_cpu((tcp)->th_offset_flags) >> 12) & 0xf) << 2) + typedef struct udp_header { uint16_t uh_sport; /* source port */ uint16_t uh_dport; /* destination port */ |