Commit 1a9c0482 authored by Dmytro Linkin's avatar Dmytro Linkin Committed by David S. Miller
Browse files

selftest: netdevsim: Add devlink rate grouping test 



Test verifies that netdevsim correctly implements devlink ops callbacks
that set node as a parent of devlink leaf or node rate object.

Co-developed-by: default avatarVlad Buslov <vladbu@nvidia.com>
Signed-off-by: default avatarVlad Buslov <vladbu@nvidia.com>
Signed-off-by: default avatarDmytro Linkin <dlinkin@nvidia.com>
Reviewed-by: default avatarJiri Pirko <jiri@nvidia.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f3d101b4

tools/testing/selftests/drivers/net/netdevsim/devlink.sh

+42 −0
Original line number Diff line number Diff line
@@ -563,6 +563,26 @@ rate_attr_tx_rate_check() 
	check_err $? "Unexpected $name attr value $api_value != $rate"

}



rate_attr_parent_check()

{

	local handle=$1

	local parent=$2

	local debug_file=$3



	rate_attr_set $handle parent $parent

	check_err $? "Failed to set parent"



	debug_value=$(cat $debug_file)

	check_err $? "Failed to get parent debugfs value"

	[ "$debug_value" == "$parent" ]

	check_err $? "Unexpected parent debug value $debug_value != $parent"



	api_value=$(rate_attr_get $r_obj parent)

	check_err $? "Failed to get parent attr value"

	[ "$api_value" == "$parent" ]

	check_err $? "Unexpected parent attr value $api_value != $parent"

}



rate_node_add()

{

	local handle=$1
@@ -627,6 +647,28 @@ rate_test() 
	[ $num_nodes == 0 ]

	check_err $? "Expected 0 rate node but got $num_nodes"



	local node1_name='group1'

	local node1="$DL_HANDLE/$node1_name"

	rate_node_add "$node1"

	check_err $? "Failed to add node $node1"



	rate_attr_parent_check $r_obj $node1_name \

		$DEBUGFS_DIR/ports/${r_obj##*/}/rate_parent



	local node2_name='group2'

	local node2="$DL_HANDLE/$node2_name"

	rate_node_add "$node2"

	check_err $? "Failed to add node $node2"



	rate_attr_parent_check $node2 $node1_name \

		$DEBUGFS_DIR/rate_nodes/$node2_name/rate_parent

	rate_node_del "$node2"

	check_err $? "Failed to delete node $node2"

	rate_attr_set "$r_obj" noparent

	check_err $? "Failed to unset $r_obj parent node"

	rate_node_del "$node1"

	check_err $? "Failed to delete node $node1"



	log_test "rate test"

}