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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: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Petr Machata 2019-03-28 12:12:24 +00:00 committed by David S. Miller
parent 8e46aee697
commit d04cc726c8
1 changed files with 95 additions and 0 deletions
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95
tools/testing/selftests/net/forwarding/devlink_lib.sh
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@ -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]}
}