netdev - [PATCH RESEND-2 RFC net-next 08/18] selftest: netdevsim: Add devlink rate test

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Message-ID: <1619020385-20220-9-git-send-email-dlinkin@nvidia.com>
Date:   Wed, 21 Apr 2021 18:52:55 +0300
From:   <dlinkin@...dia.com>
To:     <netdev@...r.kernel.org>
CC:     <davem@...emloft.net>, <kuba@...nel.org>, <jiri@...dia.com>,
        <stephen@...workplumber.org>, <dsahern@...il.com>,
        <vladbu@...dia.com>, Dmytro Linkin <dlinkin@...dia.com>
Subject: [PATCH RESEND-2 RFC net-next 08/18] selftest: netdevsim: Add devlink rate test

From: Dmytro Linkin <dlinkin@...dia.com>

Test verifies that all netdevsim VF ports have rate leaf object created
by default.

Co-developed-by: Vlad Buslov <vladbu@...dia.com>
Signed-off-by: Vlad Buslov <vladbu@...dia.com>
Signed-off-by: Dmytro Linkin <dlinkin@...dia.com>
Reviewed-by: Jiri Pirko <jiri@...dia.com>
---
 .../selftests/drivers/net/netdevsim/devlink.sh     | 25 +++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/drivers/net/netdevsim/devlink.sh b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh
index 40909c2..b8b0990 100755
--- a/tools/testing/selftests/drivers/net/netdevsim/devlink.sh
+++ b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh
@@ -5,12 +5,13 @@ lib_dir=$(dirname $0)/../../../net/forwarding
 
 ALL_TESTS="fw_flash_test params_test regions_test reload_test \
 	   netns_reload_test resource_test dev_info_test \
-	   empty_reporter_test dummy_reporter_test"
+	   empty_reporter_test dummy_reporter_test rate_test"
 NUM_NETIFS=0
 source $lib_dir/lib.sh
 
 BUS_ADDR=10
 PORT_COUNT=4
+VF_COUNT=4
 DEV_NAME=netdevsim$BUS_ADDR
 SYSFS_NET_DIR=/sys/bus/netdevsim/devices/$DEV_NAME/net/
 DEBUGFS_DIR=/sys/kernel/debug/netdevsim/$DEV_NAME/
@@ -507,6 +508,28 @@ dummy_reporter_test()
 	log_test "dummy reporter test"
 }
 
+rate_leafs_get()
+{
+	local handle=$1
+
+	cmd_jq "devlink port func rate show -j" \
+	       '.[] | to_entries | .[] | select(.value.type == "leaf") | .key | select(contains("'$handle'"))'
+}
+
+rate_test()
+{
+	RET=0
+
+	echo $VF_COUNT > /sys/bus/netdevsim/devices/$DEV_NAME/sriov_numvfs
+	devlink dev eswitch set $DL_HANDLE mode switchdev
+	local leafs=`rate_leafs_get $DL_HANDLE`
+	local num_leafs=`echo $leafs | wc -w`
+	[ "$num_leafs" == "$VF_COUNT" ]
+	check_err $? "Expected $VF_COUNT rate leafs but got $num_leafs"
+
+	log_test "rate test"
+}
+
 setup_prepare()
 {
 	modprobe netdevsim
-- 
1.8.3.1