diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2021-01-22 20:05:58 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-01-22 20:05:58 -0800 |
| commit | 04a886372a2052078fa72b4ecb23f0ac8094f654 (patch) | |
| tree | 144fe447206ea0b48670e815cf02ab2354338a52 /include/uapi/linux | |
| parent | 5225d5f57b3574c0954f03d8d21dfac92ea7e729 (diff) | |
| parent | 7eeba1706eba6def15f6cb2fc7b3c3b9a2651edc (diff) | |
Merge branch 'tcp-add-cmsg-rx-timestamps-to-rx-zerocopy'
Arjun Roy says:
====================
tcp: add CMSG+rx timestamps to rx. zerocopy
Provide CMSG and receive timestamp support to TCP
receive zerocopy. Patch 1 refactors CMSG pending state for
tcp_recvmsg() to avoid the use of magic numbers; patch 2 implements
receive timestamp via CMSG support for receive zerocopy, and uses the
constants added in patch 1.
====================
Link: https://lore.kernel.org/r/20210121004148.2340206-1-arjunroy.kdev@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/uapi/linux')
| -rw-r--r-- | include/uapi/linux/tcp.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/uapi/linux/tcp.h b/include/uapi/linux/tcp.h index 16dfa40bdac3..42fc5a640df4 100644 --- a/include/uapi/linux/tcp.h +++ b/include/uapi/linux/tcp.h @@ -354,5 +354,9 @@ struct tcp_zerocopy_receive { __u64 copybuf_address; /* in: copybuf address (small reads) */ __s32 copybuf_len; /* in/out: copybuf bytes avail/used or error */ __u32 flags; /* in: flags */ + __u64 msg_control; /* ancillary data */ + __u64 msg_controllen; + __u32 msg_flags; + /* __u32 hole; Next we must add >1 u32 otherwise length checks fail. */ }; #endif /* _UAPI_LINUX_TCP_H */ |