diff options
| author |   Matthieu Baerts (NGI0) <matttbe@kernel.org> | 2025-04-13 11:34:36 +0200 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2025-04-15 08:21:47 -0700 |
| commit | 4ce7fb8de556c0a16c17b5d11d54fa21479f2552 (patch) | |
| tree | 82d3399eabe17dce6531ad604a77db8b09cf29b6 /net/mptcp/subflow.c | |
| parent | mptcp: pass right struct to subflow_hmac_valid (diff) | |
| download | wireguard-linux-4ce7fb8de556c0a16c17b5d11d54fa21479f2552.tar.xz wireguard-linux-4ce7fb8de556c0a16c17b5d11d54fa21479f2552.zip | |
mptcp: add MPJoinRejected MIB counter
This counter is useful to understand why some paths are rejected, and
not created as expected.
It is incremented when receiving a connection request, if the PM didn't
allow the creation of new subflows.
Reviewed-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250413-net-next-mptcp-sched-mib-sft-misc-v2-5-0f83a4350150@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | net/mptcp/subflow.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index e7951786a97c..15613d691bfe 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -247,6 +247,7 @@ again: if (unlikely(req->syncookie)) { if (!mptcp_can_accept_new_subflow(subflow_req->msk)) { + SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_JOINREJECTED); subflow_add_reset_reason(skb, MPTCP_RST_EPROHIBIT); return -EPERM; } @@ -902,6 +903,7 @@ create_child: } if (!mptcp_can_accept_new_subflow(owner)) { + SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_JOINREJECTED); subflow_add_reset_reason(skb, MPTCP_RST_EPROHIBIT); goto dispose_child; } |