[patch net-next v5 3/5] selftests: forwarding: add check_driver() helper

[Jiri Pirko]

From: Jiri Pirko <j...@nvidia.com>

Add a helper to be used to check if the netdevice is backed by specified
driver.

Signed-off-by: Jiri Pirko <j...@nvidia.com>
Reviewed-by: Petr Machata <pe...@nvidia.com>
---
 tools/testing/selftests/net/forwarding/lib.sh | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/tools/testing/selftests/net/forwarding/lib.sh 
b/tools/testing/selftests/net/forwarding/lib.sh
index 9d6802c6c023..00e089dd951d 100644
--- a/tools/testing/selftests/net/forwarding/lib.sh
+++ b/tools/testing/selftests/net/forwarding/lib.sh
@@ -278,10 +278,17 @@ check_port_mab_support()
        fi
 }
 
-if [[ "$(id -u)" -ne 0 ]]; then
-       echo "SKIP: need root privileges"
-       exit $ksft_skip
-fi
+check_driver()
+{
+       local dev=$1; shift
+       local expected=$1; shift
+       local driver_name=`driver_name_get $dev`
+
+       if [[ $driver_name != $expected ]]; then
+               echo "SKIP: expected driver $expected for $dev, got 
$driver_name instead"
+               exit $ksft_skip
+       fi
+}
 
 if [[ "$CHECK_TC" = "yes" ]]; then
        check_tc_version
-- 
2.44.0