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selftests/net: packetdrill: add --mss option to three tests

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Three tests are cooking GSO packets but do not provide
gso_size information to the kernel, triggering this message:

TCP: tun0: Driver has suspect GRO implementation, TCP performance may be compromised.

Add --mss option to avoid this warning.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20250710155641.3028726-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Eric Dumazet
2025-07-10 15:56:41 +00:00
committed by Jakub Kicinski
parent 9ae277096f
commit f0600fe949
3 changed files with 8 additions and 0 deletions
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2
tools/testing/selftests/net/packetdrill/tcp_blocking_blocking-read.pkt
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@@ -1,6 +1,8 @@
// SPDX-License-Identifier: GPL-2.0
// Test for blocking read.
--tolerance_usecs=10000
--mss=1000
`./defaults.sh`