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>
---
tools/testing/selftests/net/forwarding/lib.sh | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/tools/testing/selftests/net/forwarding/lib.sh b/tools/testing/selftests/net/forwarding/lib.sh
index 959183b516ce..74859f969997 100644
--- a/tools/testing/selftests/net/forwarding/lib.sh
+++ b/tools/testing/selftests/net/forwarding/lib.sh
@@ -746,6 +746,25 @@ setup_wait()
sleep $WAIT_TIME
}
+wait_for_dev()
+{
+ local dev=$1; shift
+ local timeout=${1:-$WAIT_TIMEOUT}; shift
+ local max_iterations=$(($timeout * 10))
+
+ for ((i = 1; i <= $max_iterations; ++i)); do
+ ip link show dev $dev up &> /dev/null
+ if [[ $? -ne 0 ]]; then
+ sleep 0.1
+ else
+ return 0
+ fi
+ done
+
+ log_test wait_for_dev ": Interface $dev did not appear."
+ exit 1
+}
+
cmd_jq()
{
local cmd=$1
--
2.44.0
