TCP/UDP checksum offload API

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

diff --git a/src/vnet/interface.h b/src/vnet/interface.h
index d42e5fd..fb75ff3 100644 (file)
--- a/src/vnet/interface.h
+++ b/src/vnet/interface.h
@@ -48,6 +48,16 @@ struct vnet_hw_interface_t;
 struct vnet_sw_interface_t;
 struct ip46_address_t;
 
+typedef enum
+{
+  VNET_HW_INTERFACE_RX_MODE_UNKNOWN,
+  VNET_HW_INTERFACE_RX_MODE_POLLING,
+  VNET_HW_INTERFACE_RX_MODE_INTERRUPT,
+  VNET_HW_INTERFACE_RX_MODE_ADAPTIVE,
+  VNET_HW_INTERFACE_RX_MODE_DEFAULT,
+  VNET_HW_INTERFACE_NUM_RX_MODES,
+} vnet_hw_interface_rx_mode;
+
 /* Interface up/down callback. */
 typedef clib_error_t *(vnet_interface_function_t)
   (struct vnet_main_t * vnm, u32 if_index, u32 flags);
@@ -61,6 +71,11 @@ typedef clib_error_t *(vnet_subif_add_del_function_t)
 typedef clib_error_t *(vnet_interface_set_mac_address_function_t)
   (struct vnet_hw_interface_t * hi, char *address);
 
+/* Interface set rx mode callback. */
+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);
+
 typedef enum vnet_interface_function_priority_t_
 {
   VNET_ITF_FUNC_PRIORITY_LOW,
@@ -134,6 +149,9 @@ typedef struct _vnet_device_class
   /* Function to call when sub-interface is added/deleted */
   vnet_subif_add_del_function_t *subif_add_del_function;
 
+  /* Function to call interface rx mode is changed */
+  vnet_interface_set_rx_mode_function_t *rx_mode_change_function;
+
   /* Redistribute flag changes/existence of this interface class. */
   u32 redistribute;
 
@@ -180,9 +198,6 @@ typedef struct _vnet_device_class
   /* Link-list of all device classes set up by constructors created below */
   struct _vnet_device_class *next_class_registration;
 
-  /* Splice vnet_interface_output_node into TX path */
-  u8 flatten_output_chains;
-
   /* Function to set mac address. */
   vnet_interface_set_mac_address_function_t *mac_addr_change_function;
 } vnet_device_class_t;
@@ -240,6 +255,7 @@ typedef enum vnet_link_t_
   VNET_LINK_MPLS,
   VNET_LINK_ETHERNET,
   VNET_LINK_ARP,
+  VNET_LINK_NSH,
 } __attribute__ ((packed)) vnet_link_t;
 
 #define VNET_LINKS {                   \
@@ -248,13 +264,14 @@ typedef enum vnet_link_t_
     [VNET_LINK_IP6] = "ipv6",          \
     [VNET_LINK_MPLS] = "mpls",         \
     [VNET_LINK_ARP] = "arp",          \
+    [VNET_LINK_NSH] = "nsh",           \
 }
 
 /**
  * @brief Number of link types. Not part of the enum so it does not have to be included in
  * switch statements
  */
-#define VNET_LINK_NUM (VNET_LINK_ARP+1)
+#define VNET_LINK_NUM (VNET_LINK_NSH+1)
 
 /**
  * @brief Convert a link to to an Ethertype
@@ -399,9 +416,11 @@ typedef struct vnet_hw_interface_t
    VNET_HW_INTERFACE_FLAG_SPEED_40G |          \
    VNET_HW_INTERFACE_FLAG_SPEED_100G)
 
-  /* l2output node flags */
-#define VNET_HW_INTERFACE_FLAG_L2OUTPUT_SHIFT  9
-#define VNET_HW_INTERFACE_FLAG_L2OUTPUT_MAPPED (1 << 9)
+  /* rx mode flags */
+#define VNET_HW_INTERFACE_FLAG_SUPPORTS_INT_MODE (1 << 10)
+
+  /* tx checksum offload */
+#define VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD (1 << 11)
 
   /* Hardware address as vector.  Zero (e.g. zero-length vector) if no
      address for this class (e.g. PPP). */
@@ -462,6 +481,19 @@ typedef struct vnet_hw_interface_t
 #define VNET_HW_INTERFACE_BOND_INFO_NONE ((uword *) 0)
 #define VNET_HW_INTERFACE_BOND_INFO_SLAVE ((uword *) ~0)
 
+  /* Input node */
+  u32 input_node_index;
+
+  /* input node cpu index by queue */
+  u32 *input_node_thread_index_by_queue;
+
+  /* vnet_hw_interface_rx_mode by queue */
+  u8 *rx_mode_by_queue;
+  vnet_hw_interface_rx_mode default_rx_mode;
+
+  /* device input device_and_queue runtime index */
+  uword *dq_runtime_index_by_queue;
+
 } vnet_hw_interface_t;
 
 extern vnet_device_class_t vnet_local_interface_device_class;
@@ -536,6 +568,12 @@ typedef struct
 
 #define VNET_SW_INTERFACE_FLAG_BOND_SLAVE (1 << 4)
 
+  /* Interface does not appear in CLI/API */
+#define VNET_SW_INTERFACE_FLAG_HIDDEN (1 << 5)
+
+  /* Interface in ERROR state */
+#define VNET_SW_INTERFACE_FLAG_ERROR (1 << 6)
+
   /* Index for this interface. */
   u32 sw_if_index;