Thu, Feb 05, 2026 at 03:28:32PM +0100, tariqt@nvidia.com wrote:
>From: Or Har-Toov <ohartoov@nvidia.com>
>
>Add selftest to verify port-level resource functionality using netdevsim.
>
>Signed-off-by: Or Har-Toov <ohartoov@nvidia.com>
>Reviewed-by: Shay Drori <shayd@nvidia.com>
>Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
>Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
>---
> .../drivers/net/netdevsim/devlink.sh | 37 ++++++++++++++++++-
> 1 file changed, 36 insertions(+), 1 deletion(-)
>
>diff --git a/tools/testing/selftests/drivers/net/netdevsim/devlink.sh b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh
>index 1b529ccaf050..272e60eb7bfe 100755
>--- a/tools/testing/selftests/drivers/net/netdevsim/devlink.sh
>+++ b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh
>@@ -5,7 +5,7 @@ lib_dir=$(dirname $0)/../../../net/forwarding
>
> ALL_TESTS="fw_flash_test params_test \
> params_default_test regions_test reload_test \
>- netns_reload_test resource_test dev_info_test \
>+ netns_reload_test resource_test port_resource_test dev_info_test \
> empty_reporter_test dummy_reporter_test rate_test"
> NUM_NETIFS=0
> source $lib_dir/lib.sh
>@@ -856,6 +856,41 @@ rate_test()
> log_test "rate test"
> }
>
>+port_resource_test()
>+{
>+ RET=0
>+
>+ if ! devlink port help 2>&1 | grep -q resource; then
>+ echo "SKIP: missing devlink port resource support"
>+ return
>+ fi
>+
>+ local first_port="${DL_HANDLE}/0"
>+ local name
>+ local size
>+
>+ devlink port resource show "$first_port" > /dev/null 2>&1
>+ check_err $? "Failed to show port resource for $first_port"
>+
>+ name=$(cmd_jq "devlink port resource show $first_port -j" \
>+ ".[][][].name")
>+ [ "$name" == "max_sfs" ]
Test resource name not updated.
>+ check_err $? "Unexpected resource name $name (expected max_sfs)"
>+
>+ size=$(cmd_jq "devlink port resource show $first_port -j" \
>+ ".[][][].size")
>+ [ "$size" == "20" ]
>+ check_err $? "Unexpected resource size $size (expected 20)"
>+
>+ devlink port resource show "$DL_HANDLE" > /dev/null 2>&1
>+ check_err $? "Failed to show port resources for $DL_HANDLE"
>+
>+ devlink port resource show > /dev/null 2>&1
>+ check_err $? "Failed to dump all port resources"
>+
>+ log_test "port resource test"
>+}
>+
> setup_prepare()
> {
> modprobe netdevsim
>--
>2.44.0
>