tap: add support to configure tap interface host MTU size
[vpp.git] / src / vnet / devices / tap / tap.h
index 745f9fc..45ff1d9 100644 (file)
@@ -43,6 +43,8 @@ typedef struct
   u8 host_ip6_prefix_len;
   ip6_address_t host_ip6_gw;
   u8 host_ip6_gw_set;
+  u8 host_mtu_set;
+  u32 host_mtu_size;
   /* return */
   u32 sw_if_index;
   int rv;
@@ -66,6 +68,7 @@ typedef struct
   u8 host_ip4_prefix_len;
   u8 host_ip6_addr[16];
   u8 host_ip6_prefix_len;
+  u32 host_mtu_size;
 } tap_interface_details_t;
 
 typedef struct
@@ -75,6 +78,9 @@ typedef struct
 
   /* bit-map of in-use IDs */
   uword *tap_ids;
+
+  /* host mtu size, configurable through startup.conf */
+  int host_mtu_size;
 } tap_main_t;
 
 void tap_create_if (vlib_main_t * vm, tap_create_if_args_t * args);