Commit ed62af45 authored by Ido Schimmel's avatar Ido Schimmel Committed by David S. Miller
Browse files

selftests: spectrum-2: tc_flower_scale: Dynamically set scale target 



Instead of hard coding the scale target in the test, dynamically set it
based on the maximum number of flow counters and their current
occupancy.

Signed-off-by: default avatarIdo Schimmel <idosch@nvidia.com>
Reviewed-by: default avatarPetr Machata <petrm@nvidia.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent be00853b

tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_flower_scale.sh

+10 −5
Original line number Diff line number Diff line
@@ -4,17 +4,22 @@ source ../tc_flower_scale.sh 
tc_flower_get_target()

{

	local should_fail=$1; shift

	local max_cnts



	# The driver associates a counter with each tc filter, which means the

	# number of supported filters is bounded by the number of available

	# counters.

	# Currently, the driver supports 30K (30,720) flow counters and six of

	# these are used for multicast routing.

	local target=30714

	max_cnts=$(devlink_resource_size_get counters flow)



	# Remove already allocated counters.

	((max_cnts -= $(devlink_resource_occ_get counters flow)))



	# Each rule uses two counters, for packets and bytes.

	((max_cnts /= 2))



	if ((! should_fail)); then

		echo $target

		echo $max_cnts

	else

		echo $((target + 1))

		echo $((max_cnts + 1))

	fi

}