diff options
| author | Paolo Abeni <[email protected]> | 2022-05-04 21:54:05 +0000 |
|---|---|---|
| committer | Jakub Kicinski <[email protected]> | 2022-05-06 02:00:15 +0000 |
| commit | 92be2f522777b775a2d83b00c3690732c1243dfc (patch) | |
| tree | 42e97d811bb5549fbe83c5f12da5a43885d95b37 /net/mptcp/protocol.c | |
| parent | mptcp: really share subflow snd_wnd (diff) | |
| download | kernel-92be2f522777b775a2d83b00c3690732c1243dfc.tar.gz kernel-92be2f522777b775a2d83b00c3690732c1243dfc.zip | |
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 <[email protected]>
Signed-off-by: Mat Martineau <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
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; } |