[PATCH net-next V3 09/10] selftest: netdevsim: Add devlink port resource test
From: Tariq Toukan <tariqt@nvidia.com>
Date: 2026-02-26 22:20:50
Also in:
linux-doc, linux-kselftest, linux-rdma, lkml
Subsystem:
kernel selftest framework, netdevsim, networking drivers, the rest · Maintainers:
Shuah Khan, Jakub Kicinski, Andrew Lunn, "David S. Miller", Eric Dumazet, Paolo Abeni, Linus Torvalds
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> Reviewed-by: Jiri Pirko <redacted> Signed-off-by: Tariq Toukan <tariqt@nvidia.com> --- .../drivers/net/netdevsim/devlink.sh | 38 ++++++++++++++++++- 1 file changed, 37 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/drivers/net/netdevsim/devlink.sh b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh
index 9efd20d0241c..93f6ef3cd700 100755
--- a/tools/testing/selftests/drivers/net/netdevsim/devlink.sh
+++ b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh@@ -5,7 +5,8 @@ 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 resource_dump_test dev_info_test \ + netns_reload_test resource_test resource_dump_test \ + port_resource_test dev_info_test \ empty_reporter_test dummy_reporter_test rate_test" NUM_NETIFS=0 source $lib_dir/lib.sh
@@ -871,6 +872,41 @@ rate_test() log_test "rate test" } +port_resource_test() +{ + RET=0 + + if ! devlink port help 2>&1 | grep -q resource; then + echo "SKIP: missing devlink port resource support" + return + fi + + local first_port="${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" == "test_resource" ] + check_err $? "Unexpected resource name $name (expected test_resource)" + + size=$(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