tap gso: experimental support

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

diff --git a/src/vnet/interface.h b/src/vnet/interface.h
index 174e534..5c41859 100644 (file)
--- a/src/vnet/interface.h
+++ b/src/vnet/interface.h
@@ -475,6 +475,9 @@ typedef enum vnet_hw_interface_flags_t_
 
   /* tx checksum offload */
   VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD = (1 << 17),
+
+  /* gso */
+  VNET_HW_INTERFACE_FLAG_SUPPORTS_GSO = (1 << 18),
 } vnet_hw_interface_flags_t;
 
 #define VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT 1
@@ -789,6 +792,12 @@ typedef struct
   u32 tx_node_index;
 } vnet_hw_interface_nodes_t;
 
+typedef struct
+{
+  u32 *split_buffers;
+  u32 padding[14];
+} vnet_interface_per_thread_data_t;
+
 typedef struct
 {
   /* Hardware interfaces. */
@@ -827,6 +836,12 @@ typedef struct
   u32 pcap_pkts_to_capture;
   uword *pcap_drop_filter_hash;
 
+  /* per-thread data */
+  vnet_interface_per_thread_data_t *per_thread_data;
+
+  /* enable GSO processing in packet path if this count is > 0 */
+  u32 gso_interface_count;
+
   /* feature_arc_index */
   u8 output_feature_arc_index;
 } vnet_interface_main_t;