vnet: store hw interface speed in kbps instead of using flags
[vpp.git] / src / vnet / interface.h
index 6eaf501..01d61af 100644 (file)
@@ -69,7 +69,8 @@ typedef clib_error_t *(vnet_subif_add_del_function_t)
 
 /* Interface set mac address callback. */
 typedef clib_error_t *(vnet_interface_set_mac_address_function_t)
-  (struct vnet_hw_interface_t * hi, char *address);
+  (struct vnet_hw_interface_t * hi,
+   const u8 * old_address, const u8 * new_address);
 
 /* Interface set rx mode callback. */
 typedef clib_error_t *(vnet_interface_set_rx_mode_function_t)
@@ -89,7 +90,7 @@ typedef enum
   VNET_FLOW_DEV_OP_RESET_COUNTER,
 } vnet_flow_dev_op_t;
 
-/* Interface flow opeations callback. */
+/* Interface flow operations 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,
@@ -108,6 +109,7 @@ typedef struct _vnet_interface_function_list_elt
   clib_error_t *(*fp) (struct vnet_main_t * vnm, u32 if_index, u32 flags);
 } _vnet_interface_function_list_elt_t;
 
+#ifndef CLIB_MARCH_VARIANT
 #define _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,p)                    \
                                                                         \
 static void __vnet_interface_function_init_##tag##_##f (void)           \
@@ -146,6 +148,12 @@ static void __vnet_interface_function_deinit_##tag##_##f (void)         \
       next = next->next_interface_function;                             \
     }                                                                   \
 }
+#else
+/* create unused pointer to silence compiler warnings and get whole
+   function optimized out */
+#define _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,p)                    \
+static __clib_unused void * __clib_unused_##f = f;
+#endif
 
 #define _VNET_INTERFACE_FUNCTION_DECL(f,tag)                            \
   _VNET_INTERFACE_FUNCTION_DECL_PRIO(f,tag,VNET_ITF_FUNC_PRIORITY_LOW)
@@ -154,8 +162,10 @@ 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)            \
@@ -193,6 +203,9 @@ typedef struct _vnet_device_class
   /* Transmit function. */
   vlib_node_function_t *tx_function;
 
+  /* Transmit function candidate registration with priority */
+  vlib_node_fn_registration_t *tx_fn_registrations;
+
   /* Error strings indexed by error code for this node. */
   char **tx_function_error_strings;
 
@@ -243,6 +256,7 @@ typedef struct _vnet_device_class
   vnet_interface_set_mac_address_function_t *mac_addr_change_function;
 } vnet_device_class_t;
 
+#ifndef CLIB_MARCH_VARIANT
 #define VNET_DEVICE_CLASS(x,...)                                        \
   __VA_ARGS__ vnet_device_class_t x;                                    \
 static void __vnet_add_device_class_registration_##x (void)             \
@@ -262,6 +276,30 @@ static void __vnet_rm_device_class_registration_##x (void)              \
                                   &x, next_class_registration);         \
 }                                                                       \
 __VA_ARGS__ vnet_device_class_t x
+#else
+/* create unused pointer to silence compiler warnings and get whole
+   function optimized out */
+#define VNET_DEVICE_CLASS(x,...)                                        \
+static __clib_unused vnet_device_class_t __clib_unused_##x
+#endif
+
+#define VNET_DEVICE_CLASS_TX_FN(devclass)                              \
+uword CLIB_MARCH_SFX (devclass##_tx_fn)();                             \
+static vlib_node_fn_registration_t                                     \
+  CLIB_MARCH_SFX(devclass##_tx_fn_registration) =                      \
+  { .function = &CLIB_MARCH_SFX (devclass##_tx_fn), };                 \
+                                                                       \
+static void __clib_constructor                                         \
+CLIB_MARCH_SFX (devclass##_tx_fn_multiarch_register) (void)            \
+{                                                                      \
+  extern vnet_device_class_t devclass;                                 \
+  vlib_node_fn_registration_t *r;                                      \
+  r = &CLIB_MARCH_SFX (devclass##_tx_fn_registration);                 \
+  r->priority = CLIB_MARCH_FN_PRIORITY();                              \
+  r->next_registration = devclass.tx_fn_registrations;                 \
+  devclass.tx_fn_registrations = r;                                    \
+}                                                                      \
+uword CLIB_CPU_OPTIMIZED CLIB_MARCH_SFX (devclass##_tx_fn)
 
 #define VLIB_DEVICE_TX_FUNCTION_CLONE_TEMPLATE(arch, fn, tgt)          \
   uword                                                                        \
@@ -391,7 +429,7 @@ typedef struct _vnet_hw_interface_class
                        u32 sw_if_index,
                        vnet_link_t link_type, const void *dst_hw_address);
 
-  /* Update an adjacecny added by FIB (as opposed to via the
+  /* Update an adjacency added by FIB (as opposed to via the
    * neighbour resolution protocol). */
   void (*update_adjacency) (struct vnet_main_t * vnm,
                            u32 sw_if_index, u32 adj_index);
@@ -444,57 +482,41 @@ static void __vnet_rm_hw_interface_class_registration_##x (void)        \
 }                                                                       \
 __VA_ARGS__ vnet_hw_interface_class_t x
 
-/* Hardware-interface.  This corresponds to a physical wire
-   that packets flow over. */
-typedef struct vnet_hw_interface_t
+typedef enum vnet_hw_interface_flags_t_
 {
-  /* Interface name. */
-  u8 *name;
-
-  u32 flags;
+  VNET_HW_INTERFACE_FLAG_NONE,
   /* Hardware link state is up. */
-#define VNET_HW_INTERFACE_FLAG_LINK_UP         (1 << 0)
+  VNET_HW_INTERFACE_FLAG_LINK_UP = (1 << 0),
   /* Hardware duplex state */
-#define VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT    1
-#define VNET_HW_INTERFACE_FLAG_HALF_DUPLEX     (1 << 1)
-#define VNET_HW_INTERFACE_FLAG_FULL_DUPLEX     (1 << 2)
+  VNET_HW_INTERFACE_FLAG_HALF_DUPLEX = (1 << 1),
+  VNET_HW_INTERFACE_FLAG_FULL_DUPLEX = (1 << 2),
+
+  /* rx mode flags */
+  VNET_HW_INTERFACE_FLAG_SUPPORTS_INT_MODE = (1 << 16),
+
+  /* tx checksum offload */
+  VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD = (1 << 17),
+} vnet_hw_interface_flags_t;
+
+#define VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT 1
+#define VNET_HW_INTERFACE_FLAG_SPEED_SHIFT  3
 #define VNET_HW_INTERFACE_FLAG_DUPLEX_MASK     \
   (VNET_HW_INTERFACE_FLAG_HALF_DUPLEX |                \
    VNET_HW_INTERFACE_FLAG_FULL_DUPLEX)
 
-  /* Hardware link speed */
-#define VNET_HW_INTERFACE_FLAG_SPEED_SHIFT     3
-#define VNET_HW_INTERFACE_FLAG_SPEED_10M       (1 << 3)
-#define VNET_HW_INTERFACE_FLAG_SPEED_100M      (1 << 4)
-#define VNET_HW_INTERFACE_FLAG_SPEED_1G                (1 << 5)
-#define VNET_HW_INTERFACE_FLAG_SPEED_2_5G      (1 << 6)
-#define VNET_HW_INTERFACE_FLAG_SPEED_5G                (1 << 7)
-#define VNET_HW_INTERFACE_FLAG_SPEED_10G       (1 << 8)
-#define VNET_HW_INTERFACE_FLAG_SPEED_20G       (1 << 9)
-#define VNET_HW_INTERFACE_FLAG_SPEED_25G       (1 << 10)
-#define VNET_HW_INTERFACE_FLAG_SPEED_40G       (1 << 11)
-#define VNET_HW_INTERFACE_FLAG_SPEED_50G       (1 << 12)
-#define VNET_HW_INTERFACE_FLAG_SPEED_56G       (1 << 13)
-#define VNET_HW_INTERFACE_FLAG_SPEED_100G      (1 << 14)
-#define VNET_HW_INTERFACE_FLAG_SPEED_MASK      \
-  (VNET_HW_INTERFACE_FLAG_SPEED_10M |          \
-   VNET_HW_INTERFACE_FLAG_SPEED_100M |         \
-   VNET_HW_INTERFACE_FLAG_SPEED_1G |           \
-   VNET_HW_INTERFACE_FLAG_SPEED_2_5G |         \
-   VNET_HW_INTERFACE_FLAG_SPEED_5G |           \
-   VNET_HW_INTERFACE_FLAG_SPEED_10G |          \
-   VNET_HW_INTERFACE_FLAG_SPEED_20G |          \
-   VNET_HW_INTERFACE_FLAG_SPEED_25G |          \
-   VNET_HW_INTERFACE_FLAG_SPEED_40G |          \
-   VNET_HW_INTERFACE_FLAG_SPEED_50G |          \
-   VNET_HW_INTERFACE_FLAG_SPEED_56G |          \
-   VNET_HW_INTERFACE_FLAG_SPEED_100G)
+/* Hardware-interface.  This corresponds to a physical wire
+   that packets flow over. */
+typedef struct vnet_hw_interface_t
+{
+  /* Interface name. */
+  u8 *name;
 
-  /* rx mode flags */
-#define VNET_HW_INTERFACE_FLAG_SUPPORTS_INT_MODE (1 << 16)
+  /* flags */
+  vnet_hw_interface_flags_t flags;
 
-  /* tx checksum offload */
-#define VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD (1 << 17)
+
+  /* link speed in kbps */
+  u32 link_speed;
 
   /* Hardware address as vector.  Zero (e.g. zero-length vector) if no
      address for this class (e.g. PPP). */
@@ -537,14 +559,6 @@ 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;
 
@@ -584,6 +598,7 @@ 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
@@ -641,32 +656,53 @@ typedef enum
   VNET_FLOOD_CLASS_NO_FLOOD,
 } vnet_flood_class_t;
 
-/* Software-interface.  This corresponds to a Ethernet VLAN, ATM vc, a
-   tunnel, etc.  Configuration (e.g. IP address) gets attached to
-   software interface. */
-typedef struct
+/* Per protocol MTU */
+typedef enum
 {
-  vnet_sw_interface_type_t type:16;
+  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;
 
-  u16 flags;
-  /* Interface is "up" meaning adminstratively up.
+extern vnet_mtu_t vnet_link_to_mtu (vnet_link_t link);
+
+typedef enum vnet_sw_interface_flags_t_
+{
+  VNET_SW_INTERFACE_FLAG_NONE = 0,
+  /* Interface is "up" meaning administratively up.
      Up in the sense of link state being up is maintained by hardware interface. */
-#define VNET_SW_INTERFACE_FLAG_ADMIN_UP (1 << 0)
+  VNET_SW_INTERFACE_FLAG_ADMIN_UP = (1 << 0),
 
   /* Interface is disabled for forwarding: punt all traffic to slow-path. */
-#define VNET_SW_INTERFACE_FLAG_PUNT (1 << 1)
+  VNET_SW_INTERFACE_FLAG_PUNT = (1 << 1),
 
-#define VNET_SW_INTERFACE_FLAG_PROXY_ARP (1 << 2)
+  VNET_SW_INTERFACE_FLAG_PROXY_ARP = (1 << 2),
 
-#define VNET_SW_INTERFACE_FLAG_UNNUMBERED (1 << 3)
+  VNET_SW_INTERFACE_FLAG_UNNUMBERED = (1 << 3),
 
-#define VNET_SW_INTERFACE_FLAG_BOND_SLAVE (1 << 4)
+  VNET_SW_INTERFACE_FLAG_BOND_SLAVE = (1 << 4),
 
   /* Interface does not appear in CLI/API */
-#define VNET_SW_INTERFACE_FLAG_HIDDEN (1 << 5)
+  VNET_SW_INTERFACE_FLAG_HIDDEN = (1 << 5),
 
   /* Interface in ERROR state */
-#define VNET_SW_INTERFACE_FLAG_ERROR (1 << 6)
+  VNET_SW_INTERFACE_FLAG_ERROR = (1 << 6),
+
+  /* Interface has IP configured directed broadcast */
+  VNET_SW_INTERFACE_FLAG_DIRECTED_BCAST = (1 << 7),
+
+} __attribute__ ((packed)) vnet_sw_interface_flags_t;
+
+/* Software-interface.  This corresponds to a Ethernet VLAN, ATM vc, a
+   tunnel, etc.  Configuration (e.g. IP address) gets attached to
+   software interface. */
+typedef struct
+{
+  vnet_sw_interface_type_t type:16;
+
+  vnet_sw_interface_flags_t flags;
 
   /* Index for this interface. */
   u32 sw_if_index;
@@ -681,17 +717,17 @@ typedef struct
 
   u32 link_speed;
 
-  union
-  {
-    /* VNET_SW_INTERFACE_TYPE_HARDWARE. */
-    u32 hw_if_index;
+  /* VNET_SW_INTERFACE_TYPE_HARDWARE. */
+  u32 hw_if_index;
+
+  /* MTU for network layer (not including L2 headers) */
+  u32 mtu[VNET_N_MTU];
 
-    /* VNET_SW_INTERFACE_TYPE_SUB. */
-    vnet_sub_interface_t sub;
+  /* VNET_SW_INTERFACE_TYPE_SUB. */
+  vnet_sub_interface_t sub;
 
-    /* VNET_SW_INTERFACE_TYPE_P2P. */
-    vnet_p2p_sub_interface_t p2p;
-  };
+  /* VNET_SW_INTERFACE_TYPE_P2P. */
+  vnet_p2p_sub_interface_t p2p;
 
   vnet_flood_class_t flood_class;
 } vnet_sw_interface_t;
@@ -731,6 +767,26 @@ 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,
@@ -801,7 +857,7 @@ static inline void
 vnet_interface_counter_lock (vnet_interface_main_t * im)
 {
   if (im->sw_if_counter_lock)
-    while (__sync_lock_test_and_set (im->sw_if_counter_lock, 1))
+    while (clib_atomic_test_and_set (im->sw_if_counter_lock))
       /* zzzz */ ;
 }
 
@@ -809,7 +865,7 @@ static inline void
 vnet_interface_counter_unlock (vnet_interface_main_t * im)
 {
   if (im->sw_if_counter_lock)
-    *im->sw_if_counter_lock = 0;
+    clib_atomic_release (im->sw_if_counter_lock);
 }
 
 void vnet_pcap_drop_trace_filter_add_del (u32 error_index, int is_add);