From: Jiri Pirko <jiri@xxxxxxxxxx>
The existing setup_wait*() helper family check the status of the
interface to be up. Introduce wait_for_dev() to wait for the netdevice
to appear, for example after test script does manual device bind.
Signed-off-by: Jiri Pirko <jiri@xxxxxxxxxx>
Reviewed-by: Petr Machata <petrm@xxxxxxxxxx>
---
v3->v4:
- removed "up" from ip link command line
v1->v2:
- reworked wait_for_dev() helper to use slowwait() helper
---
tools/testing/selftests/net/forwarding/lib.sh | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/tools/testing/selftests/net/forwarding/lib.sh b/tools/testing/selftests/net/forwarding/lib.sh
index 00e089dd951d..94751993321c 100644
--- a/tools/testing/selftests/net/forwarding/lib.sh
+++ b/tools/testing/selftests/net/forwarding/lib.sh
@@ -733,6 +733,19 @@ setup_wait()
sleep $WAIT_TIME
}
+wait_for_dev()
+{
+ local dev=$1; shift
+ local timeout=${1:-$WAIT_TIMEOUT}; shift
+
+ slowwait $timeout ip link show dev $dev &> /dev/null
+ if (( $? )); then
+ check_err 1
+ log_test wait_for_dev "Interface $dev did not appear."
+ exit $EXIT_STATUS
+ fi
+}
+
cmd_jq()
{
local cmd=$1
--
2.44.0
