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[net,0/2] mptcp: only inc MPJoinAckHMacFailure for HMAC failures

Message ID 20250407-net-mptcp-hmac-failure-mib-v1-0-3c9ecd0a3a50@kernel.org
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Series mptcp: only inc MPJoinAckHMacFailure for HMAC failures | expand

Message

Matthieu Baerts (NGI0) April 7, 2025, 6:26 p.m. UTC 
Recently, during a debugging session using local MPTCP connections, I
noticed MPJoinAckHMacFailure was strangely not zero on the server side.

The first patch fixes this issue -- present since v5.9 -- and the second
one validates it in the selftests.

Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
---
Matthieu Baerts (NGI0) (2):
      mptcp: only inc MPJoinAckHMacFailure for HMAC failures
      selftests: mptcp: validate MPJoin HMacFailure counters

 net/mptcp/subflow.c                             |  8 ++++++--
 tools/testing/selftests/net/mptcp/mptcp_join.sh | 18 ++++++++++++++++++
 2 files changed, 24 insertions(+), 2 deletions(-)
---
base-commit: 61f96e684edd28ca40555ec49ea1555df31ba619
change-id: 20250407-net-mptcp-hmac-failure-mib-66f599305ff3

Best regards,