From: Danielle Ratson <danieller@mellanox.com>
Date: Thu, 17 Oct 2019 09:55:18 +0300
Subject: selftests: mlxsw: Add Spectrum-2 target scale for tc flower scale
test
Patch-mainline: v5.5-rc1
Git-commit: fa57dd728b687bb707efa104529fd6c73e5f98ae
References: bsc#1176774
Return the maximum number of tc flower filters that can be offloaded.
Currently, this value corresponds to the number of counters supported by
the driver.
Signed-off-by: Danielle Ratson <danieller@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
tools/testing/selftests/drivers/net/mlxsw/spectrum-2/resource_scale.sh | 2 -
tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_flower_scale.sh | 20 ++++++++++
2 files changed, 21 insertions(+), 1 deletion(-)
create mode 100644 tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_flower_scale.sh
--- a/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/resource_scale.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/resource_scale.sh
@@ -20,7 +20,7 @@ cleanup()
trap cleanup EXIT
-ALL_TESTS="mirror_gre"
+ALL_TESTS="tc_flower mirror_gre"
for current_test in ${TESTS:-$ALL_TESTS}; do
source ${current_test}_scale.sh
--- /dev/null
+++ b/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_flower_scale.sh
@@ -0,0 +1,20 @@
+# SPDX-License-Identifier: GPL-2.0
+source ../tc_flower_scale.sh
+
+tc_flower_get_target()
+{
+ local should_fail=$1; shift
+
+ # 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 12K (12,288) flow counters and six of
+ # these are used for multicast routing.
+ local target=12282
+
+ if ((! should_fail)); then
+ echo $target
+ else
+ echo $((target + 1))
+ fi
+}