selftests/net: fix out-of-order delivery of FIN in gro:tcp test

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[ Upstream commit 02d064de05 ]

Due to the gro_sender sending data packets and FIN packets
in very quick succession, these are received almost simultaneously
by the gro_receiver. FIN packets are sometimes processed before the
data packets leading to intermittent (~1/100) test failures.

This change adds a delay of 100ms before sending FIN packets
in gro:tcp test to avoid the out-of-order delivery. The same
mitigation already exists for the gro:ip test.

Fixes: 7d1575014a ("selftests/net: GRO coalesce test")
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Anubhav Singh <anubhavsinggh@google.com>
Link: https://patch.msgid.link/20251030062818.1562228-1-anubhavsinggh@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Anubhav Singh 2025-10-30 06:28:18 +00:00 • committed by Greg Kroah-Hartman

parent 4399894c96

commit 45aba86fb3

1 changed files with 8 additions and 0 deletions

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tools/testing/selftests/net/gro.c

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