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-rw-r--r--tools/testing/selftests/net/forwarding/lib.sh36
1 files changed, 36 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/forwarding/lib.sh b/tools/testing/selftests/net/forwarding/lib.sh
index 664b9ecaf228..e3b3cdef3170 100644
--- a/tools/testing/selftests/net/forwarding/lib.sh
+++ b/tools/testing/selftests/net/forwarding/lib.sh
@@ -27,6 +27,7 @@ INTERFACE_TIMEOUT=${INTERFACE_TIMEOUT:=600}
LOW_AGEING_TIME=${LOW_AGEING_TIME:=1000}
REQUIRE_JQ=${REQUIRE_JQ:=yes}
REQUIRE_MZ=${REQUIRE_MZ:=yes}
+STABLE_MAC_ADDRS=${STABLE_MAC_ADDRS:=no}
relative_path="${BASH_SOURCE%/*}"
if [[ "$relative_path" == "${BASH_SOURCE}" ]]; then
@@ -214,10 +215,41 @@ create_netif()
esac
}
+declare -A MAC_ADDR_ORIG
+mac_addr_prepare()
+{
+ local new_addr=
+ local dev=
+
+ for ((i = 1; i <= NUM_NETIFS; ++i)); do
+ dev=${NETIFS[p$i]}
+ new_addr=$(printf "00:01:02:03:04:%02x" $i)
+
+ MAC_ADDR_ORIG["$dev"]=$(ip -j link show dev $dev | jq -e '.[].address')
+ # Strip quotes
+ MAC_ADDR_ORIG["$dev"]=${MAC_ADDR_ORIG["$dev"]//\"/}
+ ip link set dev $dev address $new_addr
+ done
+}
+
+mac_addr_restore()
+{
+ local dev=
+
+ for ((i = 1; i <= NUM_NETIFS; ++i)); do
+ dev=${NETIFS[p$i]}
+ ip link set dev $dev address ${MAC_ADDR_ORIG["$dev"]}
+ done
+}
+
if [[ "$NETIF_CREATE" = "yes" ]]; then
create_netif
fi
+if [[ "$STABLE_MAC_ADDRS" = "yes" ]]; then
+ mac_addr_prepare
+fi
+
for ((i = 1; i <= NUM_NETIFS; ++i)); do
ip link show dev ${NETIFS[p$i]} &> /dev/null
if [[ $? -ne 0 ]]; then
@@ -503,6 +535,10 @@ pre_cleanup()
echo "Pausing before cleanup, hit any key to continue"
read
fi
+
+ if [[ "$STABLE_MAC_ADDRS" = "yes" ]]; then
+ mac_addr_restore
+ fi
}
vrf_prepare()