netdev - [patch net-next v2 2/2] selftests: netdevsim: add devlink params tests

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Date:   Wed, 14 Aug 2019 17:26:04 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, jakub.kicinski@...ronome.com,
        mlxsw@...lanox.com
Subject: [patch net-next v2 2/2] selftests: netdevsim: add devlink params tests

From: Jiri Pirko <jiri@...lanox.com>

Test recently added netdevsim devlink param implementation.

Signed-off-by: Jiri Pirko <jiri@...lanox.com>
---
v1->v2:
-using cmd_jq helper
---
 .../drivers/net/netdevsim/devlink.sh          | 62 ++++++++++++++++++-
 1 file changed, 61 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/drivers/net/netdevsim/devlink.sh b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh
index 9d8baf5d14b3..6828e9404460 100755
--- a/tools/testing/selftests/drivers/net/netdevsim/devlink.sh
+++ b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh
@@ -3,7 +3,7 @@
 
 lib_dir=$(dirname $0)/../../../net/forwarding
 
-ALL_TESTS="fw_flash_test"
+ALL_TESTS="fw_flash_test params_test"
 NUM_NETIFS=0
 source $lib_dir/lib.sh
 
@@ -30,6 +30,66 @@ fw_flash_test()
 	log_test "fw flash test"
 }
 
+param_get()
+{
+	local name=$1
+
+	cmd_jq "devlink dev param show $DL_HANDLE name $name -j" \
+	       '.[][][].values[] | select(.cmode == "driverinit").value'
+}
+
+param_set()
+{
+	local name=$1
+	local value=$2
+
+	devlink dev param set $DL_HANDLE name $name cmode driverinit value $value
+}
+
+check_value()
+{
+	local name=$1
+	local phase_name=$2
+	local expected_param_value=$3
+	local expected_debugfs_value=$4
+	local value
+
+	value=$(param_get $name)
+	check_err $? "Failed to get $name param value"
+	[ "$value" == "$expected_param_value" ]
+	check_err $? "Unexpected $phase_name $name param value"
+	value=$(<$DEBUGFS_DIR/$name)
+	check_err $? "Failed to get $name debugfs value"
+	[ "$value" == "$expected_debugfs_value" ]
+	check_err $? "Unexpected $phase_name $name debugfs value"
+}
+
+params_test()
+{
+	RET=0
+
+	local max_macs
+	local test1
+
+	check_value max_macs initial 32 32
+	check_value test1 initial true Y
+
+	param_set max_macs 16
+	check_err $? "Failed to set max_macs param value"
+	param_set test1 false
+	check_err $? "Failed to set test1 param value"
+
+	check_value max_macs post-set 16 32
+	check_value test1 post-set false Y
+
+	devlink dev reload $DL_HANDLE
+
+	check_value max_macs post-reload 16 16
+	check_value test1 post-reload false N
+
+	log_test "params test"
+}
+
 setup_prepare()
 {
 	modprobe netdevsim
-- 
2.21.0