tap: fix tun set mtu

Type: fix
Fixes: 1cd0e5dd533f4209dde453eaa43215e52cd42985

Change-Id: I64318585fb3b12369b78735c681f3b747c67b53b
Signed-off-by: Benoît Ganne <bganne@cisco.com>

diff --git a/src/vnet/devices/tap/tap.c b/src/vnet/devices/tap/tap.c
index 7c8a9b0..b7ccba9 100644 (file)
--- a/src/vnet/devices/tap/tap.c
+++ b/src/vnet/devices/tap/tap.c
@@ -694,7 +694,7 @@ tap_create_if (vlib_main_t * vm, tap_create_if_args_t * args)
     {
       hw->min_frame_size = TUN_MIN_PACKET_BYTES;
       vnet_hw_interface_set_mtu (
-       vnm, hw->sw_if_index,
+       vnm, hw->hw_if_index,
        args->host_mtu_size ? args->host_mtu_size : TUN_DEFAULT_PACKET_BYTES);
     }