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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Jun 2021 12:18:07.6257 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c849726b-5df9-46ad-26ce-08d925c07b01 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.112.35];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT033.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB3229 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Dmytro Linkin Test verifies that netdevsim VFs can set and retrieve shared/max tx rate through new devlink API. Co-developed-by: Vlad Buslov Signed-off-by: Vlad Buslov Signed-off-by: Dmytro Linkin Reviewed-by: Jiri Pirko --- Notes: v1->v2: - s/func/function/ in devlink commands .../selftests/drivers/net/netdevsim/devlink.sh | 55 ++++++++++++++++++++++ 1 file changed, 55 insertions(+) diff --git a/tools/testing/selftests/drivers/net/netdevsim/devlink.sh b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh index c654be0..05dcefc 100755 --- a/tools/testing/selftests/drivers/net/netdevsim/devlink.sh +++ b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh @@ -516,6 +516,45 @@ rate_leafs_get() '.[] | to_entries | .[] | select(.value.type == "leaf") | .key | select(contains("'$handle'"))' } +rate_attr_set() +{ + local handle=$1 + local name=$2 + local value=$3 + local units=$4 + + devlink port function rate set $handle $name $value$units +} + +rate_attr_get() +{ + local handle=$1 + local name=$2 + + cmd_jq "devlink port function rate show $handle -j" '.[][].'$name +} + +rate_attr_tx_rate_check() +{ + local handle=$1 + local name=$2 + local rate=$3 + local debug_file=$4 + + rate_attr_set $handle $name $rate mbit + check_err $? "Failed to set $name value" + + local debug_value=$(cat $debug_file) + check_err $? "Failed to read $name value from debugfs" + [ "$debug_value" == "$rate" ] + check_err $? "Unexpected $name debug value $debug_value != $rate" + + local api_value=$(( $(rate_attr_get $handle $name) * 8 / 1000000 )) + check_err $? "Failed to get $name attr value" + [ "$api_value" == "$rate" ] + check_err $? "Unexpected $name attr value $api_value != $rate" +} + rate_test() { RET=0 @@ -527,6 +566,22 @@ rate_test() [ "$num_leafs" == "$VF_COUNT" ] check_err $? "Expected $VF_COUNT rate leafs but got $num_leafs" + rate=10 + for r_obj in $leafs + do + rate_attr_tx_rate_check $r_obj tx_share $rate \ + $DEBUGFS_DIR/ports/${r_obj##*/}/tx_share + rate=$(($rate+10)) + done + + rate=100 + for r_obj in $leafs + do + rate_attr_tx_rate_check $r_obj tx_max $rate \ + $DEBUGFS_DIR/ports/${r_obj##*/}/tx_max + rate=$(($rate+100)) + done + log_test "rate test" } -- 1.8.3.1