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Subject[PATCH net-next v2 0/2] mptcp: add last time fields in mptcp_info
Date
These patches from Geliang add support for the "last time" field in
MPTCP Info, and verify that the counters look valid.

Patch 1 adds these counters: last_data_sent, last_data_recv and
last_ack_recv. They are available in the MPTCP Info, so exposed via
getsockopt(MPTCP_INFO) and the Netlink Diag interface.

Patch 2 adds a test in diag.sh MPTCP selftest, to check that the
counters have moved by at least 250ms, after having waited twice that
time.

Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
---
Changes in v2:
- Only patch 1/2 has been modified following Eric's suggestion, see the
individual changelog for more details.
- Link to v1: https://lore.kernel.org/r/20240405-upstream-net-next-20240405-mptcp-last-time-info-v1-0-52dc49453649@kernel.org

---
Geliang Tang (2):
mptcp: add last time fields in mptcp_info
selftests: mptcp: test last time mptcp_info

include/uapi/linux/mptcp.h | 4 +++
net/mptcp/options.c | 1 +
net/mptcp/protocol.c | 7 ++++
net/mptcp/protocol.h | 3 ++
net/mptcp/sockopt.c | 16 +++++++---
tools/testing/selftests/net/mptcp/diag.sh | 53 +++++++++++++++++++++++++++++++
6 files changed, 79 insertions(+), 5 deletions(-)
---
base-commit: 2ecd487b670fcbb1ad4893fff1af4aafdecb6023
change-id: 20240405-upstream-net-next-20240405-mptcp-last-time-info-9b03618e08f1

Best regards,
--
Matthieu Baerts (NGI0) <matttbe@kernel.org>


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