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-rw-r--r--tools/testing/selftests/net/lib.sh44
1 files changed, 44 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/lib.sh b/tools/testing/selftests/net/lib.sh
index 0bd9a038a1f0..701905eeff66 100644
--- a/tools/testing/selftests/net/lib.sh
+++ b/tools/testing/selftests/net/lib.sh
@@ -222,6 +222,31 @@ setup_ns()
NS_LIST+=("${ns_list[@]}")
}
+# Create netdevsim with given id and net namespace.
+create_netdevsim() {
+ local id="$1"
+ local ns="$2"
+
+ modprobe netdevsim &> /dev/null
+ udevadm settle
+
+ echo "$id 1" | ip netns exec $ns tee /sys/bus/netdevsim/new_device >/dev/null
+ local dev=$(ip netns exec $ns ls /sys/bus/netdevsim/devices/netdevsim$id/net)
+ ip -netns $ns link set dev $dev name nsim$id
+ ip -netns $ns link set dev nsim$id up
+
+ echo nsim$id
+}
+
+# Remove netdevsim with given id.
+cleanup_netdevsim() {
+ local id="$1"
+
+ if [ -d "/sys/bus/netdevsim/devices/netdevsim$id/net" ]; then
+ echo "$id" > /sys/bus/netdevsim/del_device
+ fi
+}
+
tc_rule_stats_get()
{
local dev=$1; shift
@@ -450,6 +475,25 @@ kill_process()
{ kill $pid && wait $pid; } 2>/dev/null
}
+check_command()
+{
+ local cmd=$1; shift
+
+ if [[ ! -x "$(command -v "$cmd")" ]]; then
+ log_test_skip "$cmd not installed"
+ return $EXIT_STATUS
+ fi
+}
+
+require_command()
+{
+ local cmd=$1; shift
+
+ if ! check_command "$cmd"; then
+ exit $EXIT_STATUS
+ fi
+}
+
ip_link_add()
{
local name=$1; shift