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

[vpp.git] / src / plugins / dpdk / device / init.c

diff --git a/src/plugins/dpdk/device/init.c b/src/plugins/dpdk/device/init.c
index 76d122d..ac20edc 100755 (executable)
--- a/src/plugins/dpdk/device/init.c
+++ b/src/plugins/dpdk/device/init.c
@@ -696,12 +696,9 @@ dpdk_lib_init (dpdk_main_t * dm)
            clib_warning ("VLAN strip cannot be supported by interface\n");
        }
 
-      if (hi)
-       hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] =
-         xd->port_conf.rxmode.max_rx_pkt_len - sizeof (ethernet_header_t);
-      else
-       clib_warning ("hi NULL");
-
+      vnet_sw_interface_set_mtu (dm->vnet_main, sw->sw_if_index,
+                                xd->port_conf.rxmode.max_rx_pkt_len -
+                                sizeof (ethernet_header_t));
       rte_eth_dev_set_mtu (xd->device_index, mtu);
     }
 
@@ -1530,9 +1527,10 @@ dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
 
                    /* Init l3 packet size allowed on bonded interface */
                    bhi->max_packet_bytes = ETHERNET_MAX_PACKET_BYTES;
-                   bhi->max_l3_packet_bytes[VLIB_RX] =
-                     bhi->max_l3_packet_bytes[VLIB_TX] =
-                     ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
+                   vnet_sw_interface_set_mtu (vnm, bhi->sw_if_index,
+                                              ETHERNET_MAX_PACKET_BYTES -
+                                              sizeof (ethernet_header_t));
+
                    while (nlink >= 1)
                      {         /* for all slave links */
                        int slave = slink[--nlink];
@@ -1570,11 +1568,13 @@ dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
                        clib_memcpy (shi->hw_address, addr, 6);
                        clib_memcpy (sei->address, addr, 6);
                        /* Set l3 packet size allowed as the lowest of slave */
-                       if (bhi->max_l3_packet_bytes[VLIB_RX] >
-                           shi->max_l3_packet_bytes[VLIB_RX])
-                         bhi->max_l3_packet_bytes[VLIB_RX] =
-                           bhi->max_l3_packet_bytes[VLIB_TX] =
-                           shi->max_l3_packet_bytes[VLIB_RX];
+                       vnet_sw_interface_t *bsi =
+                         vnet_get_sw_interface (vnm, bhi->sw_if_index);
+                       if (bsi->max_l3_packet_bytes[VLIB_RX] >
+                           ssi->max_l3_packet_bytes[VLIB_RX])
+                         bsi->max_l3_packet_bytes[VLIB_RX] =
+                           bsi->max_l3_packet_bytes[VLIB_TX] =
+                           ssi->max_l3_packet_bytes[VLIB_RX];
                        /* Set max packet size allowed as the lowest of slave */
                        if (bhi->max_packet_bytes > shi->max_packet_bytes)
                          bhi->max_packet_bytes = shi->max_packet_bytes;