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| author | Alexander Drozdov <al.drozdov@gmail.com> | 2015-03-23 09:11:13 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-03-24 05:01:28 +0300 |
| commit | 682f048bd49449f4ab978664a7f69a44a74e3caa (patch) | |
| tree | 4b623e8ddd2e4f874947e3c9f128591661dd10e8 /include/uapi/linux | |
| parent | 68c2e5de360411674d9821ee2b46f5d8ee965161 (diff) | |
| download | linux-682f048bd49449f4ab978664a7f69a44a74e3caa.tar.xz | |
af_packet: pass checksum validation status to the user
Introduce TP_STATUS_CSUM_VALID tp_status flag to tell the
af_packet user that at least the transport header checksum
has been already validated.
For now, the flag may be set for incoming packets only.
Signed-off-by: Alexander Drozdov <al.drozdov@gmail.com>
Cc: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/uapi/linux')
| -rw-r--r-- | include/uapi/linux/if_packet.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/if_packet.h b/include/uapi/linux/if_packet.h index da2d668b8cf1..053bd102fbe0 100644 --- a/include/uapi/linux/if_packet.h +++ b/include/uapi/linux/if_packet.h @@ -99,6 +99,7 @@ struct tpacket_auxdata { #define TP_STATUS_VLAN_VALID (1 << 4) /* auxdata has valid tp_vlan_tci */ #define TP_STATUS_BLK_TMO (1 << 5) #define TP_STATUS_VLAN_TPID_VALID (1 << 6) /* auxdata has valid tp_vlan_tpid */ +#define TP_STATUS_CSUM_VALID (1 << 7) /* Tx ring - header status */ #define TP_STATUS_AVAILABLE 0 |