Pipes

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

diff --git a/src/vnet/interface.h b/src/vnet/interface.h
index 7556bc5..f82cf9d 100644 (file)
--- a/src/vnet/interface.h
+++ b/src/vnet/interface.h
@@ -81,6 +81,20 @@ 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_FLOW_DEV_OP_ADD_FLOW,
+  VNET_FLOW_DEV_OP_DEL_FLOW,
+  VNET_FLOW_DEV_OP_GET_COUNTER,
+  VNET_FLOW_DEV_OP_RESET_COUNTER,
+} vnet_flow_dev_op_t;
+
+/* Interface flow opeations callback. */
+typedef int (vnet_flow_dev_ops_function_t) (struct vnet_main_t * vnm,
+                                           vnet_flow_dev_op_t op,
+                                           u32 hw_if_index, u32 index,
+                                           uword * private_data);
+
 typedef enum vnet_interface_function_priority_t_
 {
   VNET_ITF_FUNC_PRIORITY_LOW,
@@ -140,8 +154,10 @@ static void __vnet_interface_function_deinit_##tag##_##f (void)         \
   _VNET_INTERFACE_FUNCTION_DECL(f,hw_interface_add_del)
 #define VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION(f)             \
   _VNET_INTERFACE_FUNCTION_DECL(f,hw_interface_link_up_down)
-#define VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION_PRIO(f,p)        \
+#define VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION_PRIO(f,p)       \
   _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,hw_interface_link_up_down,p)
+#define VNET_SW_INTERFACE_MTU_CHANGE_FUNCTION(f)                \
+  _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_mtu_change)
 #define VNET_SW_INTERFACE_ADD_DEL_FUNCTION(f)                  \
   _VNET_INTERFACE_FUNCTION_DECL(f,sw_interface_add_del)
 #define VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION(f)            \
@@ -189,6 +205,9 @@ typedef struct _vnet_device_class
   int (*name_renumber) (struct vnet_hw_interface_t * hi,
                        u32 new_dev_instance);
 
+  /* Interface flow offload operations */
+  vnet_flow_dev_ops_function_t *flow_ops_function;
+
   /* Format device instance as name. */
   format_function_t *format_device_name;
 
@@ -201,6 +220,9 @@ typedef struct _vnet_device_class
   /* Trace buffer format for TX function. */
   format_function_t *format_tx_trace;
 
+  /* Format flow offload entry */
+  format_function_t *format_flow;
+
   /* Function to clear hardware counters for device. */
   void (*clear_counters) (u32 dev_class_instance);
 
@@ -296,6 +318,11 @@ typedef enum vnet_link_t_
     [VNET_LINK_NSH] = "nsh",           \
 }
 
+#define FOR_EACH_VNET_LINK(_link)    \
+  for (_link = VNET_LINK_IP4;        \
+       _link <= VNET_LINK_NSH;       \
+       _link++)
+
 /**
  * @brief Number of link types. Not part of the enum so it does not have to be included in
  * switch statements
@@ -512,14 +539,6 @@ 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;
 
@@ -559,6 +578,7 @@ typedef enum
   /* A sub-interface. */
   VNET_SW_INTERFACE_TYPE_SUB,
   VNET_SW_INTERFACE_TYPE_P2P,
+  VNET_SW_INTERFACE_TYPE_PIPE,
 } vnet_sw_interface_type_t;
 
 typedef struct
@@ -616,6 +636,18 @@ typedef enum
   VNET_FLOOD_CLASS_NO_FLOOD,
 } vnet_flood_class_t;
 
+/* Per protocol MTU */
+typedef enum
+{
+  VNET_MTU_L3,                 /* Default payload MTU (without L2 headers) */
+  VNET_MTU_IP4,                        /* Per-protocol MTUs overriding default */
+  VNET_MTU_IP6,
+  VNET_MTU_MPLS,
+  VNET_N_MTU
+} vnet_mtu_t;
+
+extern vnet_mtu_t vnet_link_to_mtu (vnet_link_t link);
+
 /* Software-interface.  This corresponds to a Ethernet VLAN, ATM vc, a
    tunnel, etc.  Configuration (e.g. IP address) gets attached to
    software interface. */
@@ -656,17 +688,17 @@ typedef struct
 
   u32 link_speed;
 
-  union
-  {
-    /* VNET_SW_INTERFACE_TYPE_HARDWARE. */
-    u32 hw_if_index;
+  /* VNET_SW_INTERFACE_TYPE_HARDWARE. */
+  u32 hw_if_index;
 
-    /* VNET_SW_INTERFACE_TYPE_SUB. */
-    vnet_sub_interface_t sub;
+  /* MTU for network layer (not including L2 headers) */
+  u32 mtu[VNET_N_MTU];
 
-    /* VNET_SW_INTERFACE_TYPE_P2P. */
-    vnet_p2p_sub_interface_t p2p;
-  };
+  /* VNET_SW_INTERFACE_TYPE_SUB. */
+  vnet_sub_interface_t sub;
+
+  /* VNET_SW_INTERFACE_TYPE_P2P. */
+  vnet_p2p_sub_interface_t p2p;
 
   vnet_flood_class_t flood_class;
 } vnet_sw_interface_t;
@@ -706,6 +738,26 @@ typedef enum
        _x <= VNET_INTERFACE_COUNTER_TX_BROADCAST;               \
        _x++)
 
+#define foreach_simple_interface_counter_name  \
+  _(DROP, drops, if)                           \
+  _(PUNT, punt, if)                            \
+  _(IP4, ip4, if)                              \
+  _(IP6, ip6, if)                              \
+  _(RX_NO_BUF, rx-no-buf, if)                  \
+  _(RX_MISS, rx-miss, if)                      \
+  _(RX_ERROR, rx-error, if)                    \
+  _(TX_ERROR, tx-error, if)
+
+#define foreach_combined_interface_counter_name        \
+  _(RX, rx, if)                                        \
+  _(RX_UNICAST, rx-unicast, if)                        \
+  _(RX_MULTICAST, rx-multicast, if)            \
+  _(RX_BROADCAST, rx-broadcast, if)            \
+  _(TX, tx, if)                                        \
+  _(TX_UNICAST, tx-unicast-miss, if)           \
+  _(TX_MULTICAST, tx-multicast, if)            \
+  _(TX_BROADCAST, tx-broadcast, if)
+
 typedef enum
 {
   COLLECT_SIMPLE_STATS = 0,