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

[vpp.git] / src / vnet / ipsec-gre / interface.c

diff --git a/src/vnet/ipsec-gre/interface.c b/src/vnet/ipsec-gre/interface.c
index 56832ee..fa33684 100644 (file)
--- a/src/vnet/ipsec-gre/interface.c
+++ b/src/vnet/ipsec-gre/interface.c
@@ -28,13 +28,7 @@
 #include <vnet/ip/format.h>
 #include <vnet/ipsec/ipsec.h>
 
-#if DPDK_CRYPTO==1
-#include <vnet/devices/dpdk/ipsec/esp.h>
-#define ESP_NODE "dpdk-esp-encrypt"
-#else
 #include <vnet/ipsec/esp.h>
-#define ESP_NODE "esp-encrypt"
-#endif
 
 u8 *
 format_ipsec_gre_tunnel (u8 * s, va_list * args)
@@ -180,12 +174,9 @@ vnet_ipsec_gre_add_del_tunnel (vnet_ipsec_gre_add_del_tunnel_args_t * a,
 
       hi->min_packet_bytes = 64 + sizeof (gre_header_t) +
        sizeof (ip4_header_t) + sizeof (esp_header_t) + sizeof (esp_footer_t);
-      hi->per_packet_overhead_bytes =
-       /* preamble */ 8 + /* inter frame gap */ 12;
 
       /* Standard default gre MTU. */
-      hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] =
-       9000;
+      vnet_sw_interface_set_mtu (vnm, hi->sw_if_index, 9000);
 
       clib_memcpy (&t->tunnel_src, &a->src, sizeof (t->tunnel_src));
       clib_memcpy (&t->tunnel_dst, &a->dst, sizeof (t->tunnel_dst));
@@ -193,7 +184,7 @@ vnet_ipsec_gre_add_del_tunnel (vnet_ipsec_gre_add_del_tunnel_args_t * a,
       hash_set (igm->tunnel_by_key, key, t - igm->tunnels);
 
       slot = vlib_node_add_named_next_with_slot
-       (vnm->vlib_main, hi->tx_node_index, ESP_NODE,
+       (vnm->vlib_main, hi->tx_node_index, "esp-encrypt",
         IPSEC_GRE_OUTPUT_NEXT_ESP_ENCRYPT);
 
       ASSERT (slot == IPSEC_GRE_OUTPUT_NEXT_ESP_ENCRYPT);
@@ -238,6 +229,7 @@ create_ipsec_gre_tunnel_command_fn (vlib_main_t * vm,
   vnet_ipsec_gre_add_del_tunnel_args_t _a, *a = &_a;
   int rv;
   u32 sw_if_index;
+  clib_error_t *error = NULL;
 
   /* Get a line of input. */
   if (!unformat_user (input, unformat_line_input, line_input))
@@ -256,16 +248,24 @@ create_ipsec_gre_tunnel_command_fn (vlib_main_t * vm,
       else if (unformat (line_input, "remote-sa %d", &rsa))
        num_m_args++;
       else
-       return clib_error_return (0, "unknown input `%U'",
-                                 format_unformat_error, input);
+       {
+         error = clib_error_return (0, "unknown input `%U'",
+                                    format_unformat_error, line_input);
+         goto done;
+       }
     }
-  unformat_free (line_input);
 
   if (num_m_args < 4)
-    return clib_error_return (0, "mandatory argument(s) missing");
+    {
+      error = clib_error_return (0, "mandatory argument(s) missing");
+      goto done;
+    }
 
   if (memcmp (&src, &dst, sizeof (src)) == 0)
-    return clib_error_return (0, "src and dst are identical");
+    {
+      error = clib_error_return (0, "src and dst are identical");
+      goto done;
+    }
 
   memset (a, 0, sizeof (*a));
   a->is_add = is_add;
@@ -283,14 +283,19 @@ create_ipsec_gre_tunnel_command_fn (vlib_main_t * vm,
                       vnet_get_main (), sw_if_index);
       break;
     case VNET_API_ERROR_INVALID_VALUE:
-      return clib_error_return (0, "GRE tunnel already exists...");
+      error = clib_error_return (0, "GRE tunnel already exists...");
+      goto done;
     default:
-      return clib_error_return (0,
-                               "vnet_ipsec_gre_add_del_tunnel returned %d",
-                               rv);
+      error = clib_error_return (0,
+                                "vnet_ipsec_gre_add_del_tunnel returned %d",
+                                rv);
+      goto done;
     }
 
-  return 0;
+done:
+  unformat_free (line_input);
+
+  return error;
 }
 
 /* *INDENT-OFF* */