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

[vpp.git] / src / vnet / interface.h

diff --git a/src/vnet/interface.h b/src/vnet/interface.h
index 6a140d2..d462e1e 100644 (file)
--- a/src/vnet/interface.h
+++ b/src/vnet/interface.h
@@ -76,6 +76,11 @@ typedef clib_error_t *(vnet_interface_set_rx_mode_function_t)
   (struct vnet_main_t * vnm, u32 if_index, u32 queue_id,
    vnet_hw_interface_rx_mode mode);
 
+/* Interface set l2 mode callback. */
+typedef clib_error_t *(vnet_interface_set_l2_mode_function_t)
+  (struct vnet_main_t * vnm, struct vnet_hw_interface_t * hi,
+   i32 l2_if_adjust);
+
 typedef enum vnet_interface_function_priority_t_
 {
   VNET_ITF_FUNC_PRIORITY_LOW,
@@ -165,6 +170,9 @@ typedef struct _vnet_device_class
   /* Function to call interface rx mode is changed */
   vnet_interface_set_rx_mode_function_t *rx_mode_change_function;
 
+  /* Function to call interface l2 mode is changed */
+  vnet_interface_set_l2_mode_function_t *set_l2_mode_function;
+
   /* Redistribute flag changes/existence of this interface class. */
   u32 redistribute;
 
@@ -504,14 +512,6 @@ typedef struct vnet_hw_interface_t
   /* Largest packet size for this interface. */
   u32 max_packet_bytes;
 
-  /* Number of extra bytes that go on the wire.
-     Packet length on wire
-     = max (length + per_packet_overhead_bytes, min_packet_bytes). */
-  u32 per_packet_overhead_bytes;
-
-  /* Receive and transmit layer 3 packet size limits (MRU/MTU). */
-  u32 max_l3_packet_bytes[VLIB_N_RX_TX];
-
   /* Hash table mapping sub interface id to sw_if_index. */
   uword *sub_interface_sw_if_index_by_id;
 
@@ -597,11 +597,15 @@ typedef struct
 
 typedef enum
 {
+  /* THe BVI interface */
+  VNET_FLOOD_CLASS_BVI,
   /* Always flood */
   VNET_FLOOD_CLASS_NORMAL,
   VNET_FLOOD_CLASS_TUNNEL_MASTER,
   /* Does not flood when tunnel master is in the same L2 BD */
-  VNET_FLOOD_CLASS_TUNNEL_NORMAL
+  VNET_FLOOD_CLASS_TUNNEL_NORMAL,
+  /* Never flood to this type */
+  VNET_FLOOD_CLASS_NO_FLOOD,
 } vnet_flood_class_t;
 
 /* Software-interface.  This corresponds to a Ethernet VLAN, ATM vc, a
@@ -644,6 +648,9 @@ typedef struct
 
   u32 link_speed;
 
+  /* Receive and transmit layer 3 packet size limits (MRU/MTU). */
+  u32 max_l3_packet_bytes[VLIB_N_RX_TX];
+
   union
   {
     /* VNET_SW_INTERFACE_TYPE_HARDWARE. */