Add extern to *_main global variable declarations in header files.

[vpp.git] / src / vpp / stats / stats.h

diff --git a/src/vpp/stats/stats.h b/src/vpp/stats/stats.h
index 118115b..452e305 100644 (file)
--- a/src/vpp/stats/stats.h
+++ b/src/vpp/stats/stats.h
@@ -21,6 +21,7 @@
 #include <vnet/interface.h>
 #include <pthread.h>
 #include <vlib/threads.h>
+#include <vnet/fib/fib_table.h>
 #include <vlib/unix/unix.h>
 #include <vlibmemory/api.h>
 #include <vlibmemory/unix_shared_memory_queue.h>
@@ -30,11 +31,91 @@ typedef struct
 {
   volatile u32 lock;
   volatile u32 release_hint;
-  u32 thread_id;
+  u32 thread_index;
   u32 count;
   int tag;
 } data_structure_lock_t;
 
+/**
+ * @brief stats request registration indexes
+ *
+ */
+/* from .../vnet/vnet/ip/lookup.c. Yuck */
+typedef CLIB_PACKED (struct
+                    {
+                    ip4_address_t address;
+u32 address_length: 6;
+u32 index:          26;
+                    }) ip4_route_t;
+
+/* see interface.api */
+typedef struct
+{
+  u32 sw_if_index;
+  u64 drop;
+  u64 punt;
+  u64 rx_ip4;
+  u64 rx_ip6;
+  u64 rx_no_buffer;
+  u64 rx_miss;
+  u64 rx_error;
+  u64 tx_error;
+  u64 rx_mpls;
+} vnet_simple_counter_t;
+
+typedef struct
+{
+  u32 sw_if_index;
+  u64 rx_packets;                      /**< packet counter */
+  u64 rx_bytes;                        /**< byte counter  */
+  u64 tx_packets;                      /**< packet counter */
+  u64 tx_bytes;                        /**< byte counter  */
+} vnet_combined_counter_t;
+
+typedef struct
+{
+  ip6_address_t address;
+  u32 address_length;
+  u32 index;
+} ip6_route_t;
+
+
+typedef struct
+{
+  ip4_route_t *ip4routes;
+  ip6_route_t *ip6routes;
+  fib_table_t **fibs;
+  hash_pair_t **pvec;
+  uword *results;
+} do_ip46_fibs_t;
+
+typedef struct
+{
+  u16 msg_id;
+  u32 size;
+  u32 client_index;
+  u32 context;
+  i32 retval;
+} client_registration_reply_t;
+
+typedef enum
+{
+#define stats_reg(n) IDX_##n,
+#include <vpp/stats/stats.reg>
+#undef stats_reg
+  STATS_REG_N_IDX,
+} stats_reg_index_t;
+
+typedef struct
+{
+  //Standard client information
+  uword *client_hash;
+  vpe_client_registration_t *clients;
+  u32 item;
+
+} vpe_client_stats_registration_t;
+
+
 typedef struct
 {
   void *mheap;
@@ -44,8 +125,41 @@ typedef struct
   u32 stats_poll_interval_in_seconds;
   u32 enable_poller;
 
-  uword *stats_registration_hash;
-  vpe_client_registration_t *stats_registrations;
+  /*
+   * stats_registrations is a vector, indexed by
+   * IDX_xxxx_COUNTER generated for each streaming
+   * stat a client can register for. (see stats.reg)
+   *
+   * The values in the vector refer to pools.
+   *
+   * The pool is of type vpe_client_stats_registration_t
+   *
+   * This typedef consists of:
+   *
+   * u32 item: This is the instance of the IDX_xxxx_COUNTER a
+   *           client is interested in.
+   * vpe_client_registration_t *clients: The list of clients interested.
+   *
+   * e.g.
+   * stats_registrations[IDX_INTERFACE_SIMPLE_COUNTERS] refers to a pool
+   * containing elements:
+   *
+   * u32 item = sw_if_index1
+   * clients = ["clienta","clientb"]
+   *
+   * When clients == NULL the pool element is freed. When the pool is empty
+   *
+   * ie
+   * 0 == pool_elts(stats_registrations[IDX_INTERFACE_SIMPLE_COUNTERS]
+   *
+   * then there is no need to process INTERFACE_SIMPLE_COUNTERS
+   *
+   * Note that u32 item = ~0 is the simple case for ALL interfaces or fibs.
+   *
+   */
+
+  uword **stats_registration_hash;
+  vpe_client_stats_registration_t **stats_registrations;
 
   /* control-plane data structure lock */
   data_structure_lock_t *data_structure_lock;
@@ -53,6 +167,16 @@ typedef struct
   /* bail out of FIB walk if set */
   clib_longjmp_t jmp_buf;
 
+  /* Vectors for Distribution funcs: do_ip4_fibs and do_ip6_fibs. */
+  do_ip46_fibs_t do_ip46_fibs;
+
+  /*
+     Working vector vars so as to not thrash memory allocator.
+     Has effect of making "static"
+   */
+  vpe_client_stats_registration_t **regs_tmp;
+  vpe_client_registration_t **clients_tmp;
+
   /* convenience */
   vlib_main_t *vlib_main;
   vnet_main_t *vnet_main;
@@ -60,7 +184,7 @@ typedef struct
   api_main_t *api_main;
 } stats_main_t;
 
-stats_main_t stats_main;
+extern stats_main_t stats_main;
 
 void dslock (stats_main_t * sm, int release_hint, int tag);
 void dsunlock (stats_main_t * sm);