vnet: introduce vnet_error()

[vpp.git] / src / vnet / interface_api.c

diff --git a/src/vnet/interface_api.c b/src/vnet/interface_api.c
index 5218f74..d70cd1e 100644 (file)
--- a/src/vnet/interface_api.c
+++ b/src/vnet/interface_api.c
@@ -146,6 +146,7 @@ vl_api_hw_interface_set_mtu_t_handler (vl_api_hw_interface_set_mtu_t * mp)
   u32 sw_if_index = ntohl (mp->sw_if_index);
   u16 mtu = ntohs (mp->mtu);
   ethernet_main_t *em = &ethernet_main;
+  clib_error_t *err;
   int rv = 0;
 
   VALIDATE_SW_IF_INDEX (mp);
@@ -157,7 +158,6 @@ vl_api_hw_interface_set_mtu_t_handler (vl_api_hw_interface_set_mtu_t * mp)
       goto bad_sw_if_index;
     }
 
-  vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, si->hw_if_index);
   ethernet_interface_t *eif = ethernet_get_interface (em, si->hw_if_index);
 
   if (!eif)
@@ -166,20 +166,13 @@ vl_api_hw_interface_set_mtu_t_handler (vl_api_hw_interface_set_mtu_t * mp)
       goto bad_sw_if_index;
     }
 
-  if (mtu < hi->min_supported_packet_bytes)
+  if ((err = vnet_hw_interface_set_mtu (vnm, si->hw_if_index, mtu)))
     {
-      rv = VNET_API_ERROR_INVALID_VALUE;
+      rv = vnet_api_error (err);
+      clib_error_free (err);
       goto bad_sw_if_index;
     }
 
-  if (mtu > hi->max_supported_packet_bytes)
-    {
-      rv = VNET_API_ERROR_INVALID_VALUE;
-      goto bad_sw_if_index;
-    }
-
-  vnet_hw_interface_set_mtu (vnm, si->hw_if_index, mtu);
-
   BAD_SW_IF_INDEX_LABEL;
   REPLY_MACRO (VL_API_HW_INTERFACE_SET_MTU_REPLY);
 }