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Commit d04cc726 authored by Petr Machata's avatar Petr Machata Committed by David S. Miller
Browse files

selftests: forwarding: devlink_lib: Add shared buffer helpers 



Add helpers to obtain, set, and restore a pool size, and a port-pool and
tc-pool threshold.

Signed-off-by: default avatarPetr Machata <petrm@mellanox.com>
Signed-off-by: default avatarIdo Schimmel <idosch@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8e46aee6

tools/testing/selftests/net/forwarding/devlink_lib.sh

+95 −0
Original line number Diff line number Diff line
@@ -95,3 +95,98 @@ devlink_reload() 
			grep -c "size_new")

	check_err $still_pending "Failed reload - There are still unset sizes"

}



declare -A DEVLINK_ORIG



devlink_port_pool_threshold()

{

	local port=$1; shift

	local pool=$1; shift



	devlink sb port pool show $port pool $pool -j \

		| jq '.port_pool."'"$port"'"[].threshold'

}



devlink_port_pool_th_set()

{

	local port=$1; shift

	local pool=$1; shift

	local th=$1; shift

	local key="port_pool($port,$pool).threshold"



	DEVLINK_ORIG[$key]=$(devlink_port_pool_threshold $port $pool)

	devlink sb port pool set $port pool $pool th $th

}



devlink_port_pool_th_restore()

{

	local port=$1; shift

	local pool=$1; shift

	local key="port_pool($port,$pool).threshold"



	devlink sb port pool set $port pool $pool th ${DEVLINK_ORIG[$key]}

}



devlink_pool_size_thtype()

{

	local pool=$1; shift



	devlink sb pool show "$DEVLINK_DEV" pool $pool -j \

	    | jq -r '.pool[][] | (.size, .thtype)'

}



devlink_pool_size_thtype_set()

{

	local pool=$1; shift

	local thtype=$1; shift

	local size=$1; shift

	local key="pool($pool).size_thtype"



	DEVLINK_ORIG[$key]=$(devlink_pool_size_thtype $pool)

	devlink sb pool set "$DEVLINK_DEV" pool $pool size $size thtype $thtype

}



devlink_pool_size_thtype_restore()

{

	local pool=$1; shift

	local key="pool($pool).size_thtype"

	local -a orig=(${DEVLINK_ORIG[$key]})



	devlink sb pool set "$DEVLINK_DEV" pool $pool \

		size ${orig[0]} thtype ${orig[1]}

}



devlink_tc_bind_pool_th()

{

	local port=$1; shift

	local tc=$1; shift

	local dir=$1; shift



	devlink sb tc bind show $port tc $tc type $dir -j \

	    | jq -r '.tc_bind[][] | (.pool, .threshold)'

}



devlink_tc_bind_pool_th_set()

{

	local port=$1; shift

	local tc=$1; shift

	local dir=$1; shift

	local pool=$1; shift

	local th=$1; shift

	local key="tc_bind($port,$dir,$tc).pool_th"



	DEVLINK_ORIG[$key]=$(devlink_tc_bind_pool_th $port $tc $dir)

	devlink sb tc bind set $port tc $tc type $dir pool $pool th $th

}



devlink_tc_bind_pool_th_restore()

{

	local port=$1; shift

	local tc=$1; shift

	local dir=$1; shift

	local key="tc_bind($port,$dir,$tc).pool_th"

	local -a orig=(${DEVLINK_ORIG[$key]})



	devlink sb tc bind set $port tc $tc type $dir \

		pool ${orig[0]} th ${orig[1]}

}