diff options
| author | Paolo Abeni <pabeni@redhat.com> | 2022-05-04 14:54:05 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-05-05 19:00:15 -0700 |
| commit | 92be2f522777b775a2d83b00c3690732c1243dfc (patch) | |
| tree | 42e97d811bb5549fbe83c5f12da5a43885d95b37 /net/mptcp/protocol.c | |
| parent | b713d0067574e15cddd08ee7f25acd535b7437cf (diff) | |
mptcp: add mib for xmit window sharing
Bump a counter for counter when snd_wnd is shared among subflow,
for observability's sake.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/mptcp/protocol.c')
| -rw-r--r-- | net/mptcp/protocol.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 0e7f556ea2c7..961c2aba2a11 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -1153,8 +1153,10 @@ static int mptcp_check_allowed_size(const struct mptcp_sock *msk, struct sock *s mptcp_snd_wnd = window_end - data_seq; avail_size = min_t(unsigned int, mptcp_snd_wnd, avail_size); - if (unlikely(tcp_sk(ssk)->snd_wnd < mptcp_snd_wnd)) + if (unlikely(tcp_sk(ssk)->snd_wnd < mptcp_snd_wnd)) { tcp_sk(ssk)->snd_wnd = min_t(u64, U32_MAX, mptcp_snd_wnd); + MPTCP_INC_STATS(sock_net(ssk), MPTCP_MIB_SNDWNDSHARED); + } return avail_size; } |