Commit 870dd511 authored by Petr Machata's avatar Petr Machata Committed by Jakub Kicinski
Browse files

selftests: mlxsw: sch_red_ets: Increase required backlog 



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: default avatarPetr Machata <petrm@nvidia.com>
Reviewed-by: default avatarAmit Cohen <amcohen@nvidia.com>
Link: https://patch.msgid.link/0821fb3aa8bb6a6c0d3000baab04995517c9a0cc.1728316370.git.petrm@nvidia.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 881c98f4

tools/testing/selftests/drivers/net/mlxsw/sch_red_ets.sh

+4 −4
Original line number Diff line number Diff line
@@ -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()