MTU: Setting of MTU on software interface (instead of hardware interface)

[vpp.git] / src / vnet / unix / tapcli.c

diff --git a/src/vnet/unix/tapcli.c b/src/vnet/unix/tapcli.c
index 10a86a4..5c550bc 100644 (file)
--- a/src/vnet/unix/tapcli.c
+++ b/src/vnet/unix/tapcli.c
@@ -1068,8 +1068,9 @@ vnet_tap_connect (vlib_main_t * vm, vnet_tap_connect_args_t * ap)
     hw = vnet_get_hw_interface (tm->vnet_main, ti->hw_if_index);
     hw->min_supported_packet_bytes = TAP_MTU_MIN;
     hw->max_supported_packet_bytes = TAP_MTU_MAX;
-    hw->max_l3_packet_bytes[VLIB_RX] = hw->max_l3_packet_bytes[VLIB_TX] =
-      hw->max_supported_packet_bytes - sizeof (ethernet_header_t);
+    vnet_sw_interface_set_mtu (tm->vnet_main, hw->sw_if_index,
+                              hw->max_supported_packet_bytes -
+                              sizeof (ethernet_header_t));
     ti->sw_if_index = hw->sw_if_index;
     if (ap->sw_if_indexp)
       *(ap->sw_if_indexp) = hw->sw_if_index;