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

[vpp.git] / src / vnet / ip / ip6_neighbor.c

diff --git a/src/vnet/ip/ip6_neighbor.c b/src/vnet/ip/ip6_neighbor.c
index a1439fa..fee4356 100644 (file)
--- a/src/vnet/ip/ip6_neighbor.c
+++ b/src/vnet/ip/ip6_neighbor.c
@@ -2575,6 +2575,10 @@ ip6_neighbor_sw_interface_add_del (vnet_main_t * vnm,
     {
       if (is_add)
        {
+         vnet_hw_interface_t *hw_if0;
+
+         hw_if0 = vnet_get_sup_hw_interface (vnm, sw_if_index);
+
          pool_get (nm->if_radv_pool, a);
 
          ri = a - nm->if_radv_pool;
@@ -2608,8 +2612,7 @@ ip6_neighbor_sw_interface_add_del (vnet_main_t * vnm,
          a->send_radv = 1;
 
          /* fill in radv_info for this interface that will be needed later */
-         a->adv_link_mtu =
-           vnet_sw_interface_get_mtu (vnm, sw_if_index, VLIB_TX);
+         a->adv_link_mtu = hw_if0->max_l3_packet_bytes[VLIB_RX];
 
          clib_memcpy (a->link_layer_address, eth_if0->address, 6);