netdev - [PATCH net-next 2/3] selftests: mlxsw: Test offloadability of root TBF

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Message-Id: <20211027152001.1320496-3-idosch@idosch.org>
Date:   Wed, 27 Oct 2021 18:20:00 +0300
From:   Ido Schimmel <idosch@...sch.org>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, petrm@...dia.com,
        jiri@...dia.com, mlxsw@...dia.com, Ido Schimmel <idosch@...dia.com>
Subject: [PATCH net-next 2/3] selftests: mlxsw: Test offloadability of root TBF

From: Petr Machata <petrm@...dia.com>

TBF can be used as a root qdisc, with the usual ETS/RED/TBF hierarchy below
it. This use should now be offloaded. Add a test that verifies that it is.

Signed-off-by: Petr Machata <petrm@...dia.com>
Signed-off-by: Ido Schimmel <idosch@...dia.com>
---
 .../selftests/drivers/net/mlxsw/sch_offload.sh     | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/tools/testing/selftests/drivers/net/mlxsw/sch_offload.sh b/tools/testing/selftests/drivers/net/mlxsw/sch_offload.sh
index ade79ef08de3..071a33d10c20 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/sch_offload.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/sch_offload.sh
@@ -6,7 +6,9 @@
 
 ALL_TESTS="
 	test_root
+	test_port_tbf
 	test_etsprio
+	test_etsprio_port_tbf
 "
 NUM_NETIFS=1
 lib_dir=$(dirname $0)/../../../net/forwarding
@@ -221,6 +223,12 @@ test_root()
 	do_test_combinations 1 0
 }
 
+test_port_tbf()
+{
+	with_tbf 1: root \
+		do_test_combinations 8 1
+}
+
 do_test_etsprio()
 {
 	local parent=$1; shift
@@ -264,6 +272,12 @@ test_etsprio()
 	do_test_etsprio root ""
 }
 
+test_etsprio_port_tbf()
+{
+	with_tbf 1: root \
+		do_test_etsprio "parent 1:1" "-TBF"
+}
+
 cleanup()
 {
 	tc qdisc del dev $h1 root &>/dev/null
-- 
2.31.1