1 files changed, 20 insertions, 0 deletions
diff --git a/selftest/ns/add_bridge_iface.sh b/selftest/ns/add_bridge_iface.sh
new file mode 100755
index 0000000..4090319
--- /dev/null
+++ b/selftest/ns/add_bridge_iface.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+#
+# Configures the interfaces needed for communication between namespaces.
+# This handles the bridge-end of the veth pair.
+interface=$1
+
+# the main bridge interface is called 'selftest0' (although in future we may
+# want to segregate the different domains by using different bridges)
+bridge=$2
+
+# we need to wait for the child namespace to start up and add the new
+# interface back to our new namespace
+while ! ip link show $interface >/dev/null 2>&1; do
+	sleep 0.1
+	echo "Waiting for $interface to be created..."
+done
+
+# bring the bridge-end of the link up and add it to the bridge
+ip link set dev $interface up
+ip link set $interface master $bridge