Re: [PATCH net-next V2 6/7] selftest: netdevsim: Add devlink port resource test
From: Jiri Pirko <jiri@resnulli.us>
Date: 2026-02-06 09:37:53
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linux-doc, linux-kselftest, linux-rdma, lkml
Thu, Feb 05, 2026 at 03:28:32PM +0100, tariqt@nvidia.com wrote:
quoted hunk ↗ jump to hunk
From: Or Har-Toov <redacted> Add selftest to verify port-level resource functionality using netdevsim. Signed-off-by: Or Har-Toov <redacted> Reviewed-by: Shay Drori <redacted> Reviewed-by: Moshe Shemesh <redacted> 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/forwardingALL_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