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selftests: mlxsw: sch_red_ets: Increase required backlog

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Backlog fluctuates on Spectrum-4 much more than on <4. Increasing the
desired backlog seems to help, as the constant fluctuations do not overlap
into the territory where packets are marked.

Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Amit Cohen <amcohen@nvidia.com>
Link: https://patch.msgid.link/0821fb3aa8bb6a6c0d3000baab04995517c9a0cc.1728316370.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Petr Machata 2024-10-07 18:26:05 +02:00 committed by Jakub Kicinski
parent 881c98f44f
commit 870dd51117
1 changed files with 4 additions and 4 deletions
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8
tools/testing/selftests/drivers/net/mlxsw/sch_red_ets.sh
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@ -20,8 +20,8 @@ source sch_red_core.sh
# $BACKLOG2 are far enough not to overlap, so that we can assume that if we do
# see (do not see) marking, it is actually due to the configuration of that one
# TC, and not due to configuration of the other TC leaking over.
BACKLOG1=200000
BACKLOG2=500000
BACKLOG1=400000
BACKLOG2=1000000
install_root_qdisc()
{
@ -35,7 +35,7 @@ install_qdisc_tc0()
tc qdisc add dev $swp3 parent 10:8 handle 108: red \
limit 1000000 min $BACKLOG1 max $((BACKLOG1 + 1)) \
probability 1.0 avpkt 8000 burst 38 "${args[@]}"
probability 1.0 avpkt 8000 burst 51 "${args[@]}"
}
install_qdisc_tc1()
@ -44,7 +44,7 @@ install_qdisc_tc1()
tc qdisc add dev $swp3 parent 10:7 handle 107: red \
limit 1000000 min $BACKLOG2 max $((BACKLOG2 + 1)) \
probability 1.0 avpkt 8000 burst 63 "${args[@]}"
probability 1.0 avpkt 8000 burst 126 "${args[@]}"
}
install_qdisc()