Re: [PATCH mptcp-next v5 0/3] mptcp: add statistics for mptcp socket in use

[Mat Martineau <mathew.j.martineau@linux.intel.com>]

On Fri, 7 Oct 2022, menglong8.dong@gmail.com wrote:

> From: Menglong Dong <imagedong@tencent.com>
>
> In the 1th patch, we do some code cleanup with replease 'sock->sk'
> with 'sk'. In the 2th patch, we add statistics for mptcp socket in
> use. And in the 3th patch, we add the testing for this commit.
>

I think v5 looks ok for the export branch - we can get more test coverage 
there and update if needed.

Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>

> Changes since v4:
> - rebase to solve merge conflict
>
> Changes since v3:
> - rename MPTCP_DESTROIED to MPTCP_DESTROYED in the 2th patch
>
> Changes since v2:
> - add testing
>
> Changes since v1:
> - split the code cleanup into the 1th patch.
> - decrease the statistics for listening mptcp socket inuse with
>  mptcp_listen_inuse_dec()
> - add MPTCP_DESTROIED flags to store if mptcp_destroy_common() was
>  called on the msk. For fallback case, we need to decrease the
>  statistics only once, and mptcp_destroy_common() can be called
>  more than once.
>
> Menglong Dong (3):
>  mptcp: introduce 'sk' to replace 'sock->sk' in mptcp_listen()
>  mptcp: add statistics for mptcp socket in use
>  selftest: mptcp: add test for mptcp socket in use
>
> net/mptcp/protocol.c                      | 35 ++++++++++++++++++-----
> net/mptcp/protocol.h                      |  1 +
> net/mptcp/subflow.c                       |  3 ++
> tools/testing/selftests/net/mptcp/diag.sh | 28 ++++++++++++++++++
> 4 files changed, 60 insertions(+), 7 deletions(-)
>
> -- 
> 2.37.2
>
>

--
Mat Martineau
Intel