Merge branch 'improve-stability-of-big_tcp_tunnels-sh-selftest'

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Alice Mikityanska says:

====================
Improve stability of big_tcp_tunnels.sh selftest

This series addresses flakiness of big_tcp_tunnels.sh discussed at:

https://lore.kernel.org/netdev/349c582c-73e3-468c-91cd-ad6cc3562700@app.fastmail.com/

Lower the thresholds to avoid failures like this (number of packets
below the threshold):

https://netdev-ctrl.bots.linux.dev/logview.html?f=/logs/vmksft/net-dbg/results/754376/28-big-tcp-tunnels-sh/stdout

Tweak tcp_min_tso_segs and initcwnd to avoid failures like this (BIG TCP
doesn't kick in in slow configurations):

https://netdev-ctrl.bots.linux.dev/logview.html?f=/logs/vmksft/net-dbg/results/751124/21-big-tcp-tunnels-sh/stdout

v2 changes: Use $KSFT_MACHINE_SLOW instead of probing kernel config.

v1: https://lore.kernel.org/netdev/20260814194124.3102581-1-alice.kernel@fastmail.im/
====================

Link: https://patch.msgid.link/20260822120308.1165200-1-alice.kernel@fastmail.im
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

...

This commit is contained in:

Jakub Kicinski 2026-08-27 08:42:30 -07:00

parent 6fe7e31a45 1d62b83fb7

commit e2a6641e3b

1 changed files with 34 additions and 4 deletions

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tools/testing/selftests/net/big_tcp_tunnels.sh

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