session: add session stats

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

diff --git a/src/vnet/session/session.h b/src/vnet/session/session.h
index b8cc1c3..e92b1f0 100644 (file)
--- a/src/vnet/session/session.h
+++ b/src/vnet/session/session.h
@@ -40,6 +40,11 @@ typedef enum
     SESSION_N_ERROR,
 } session_input_error_t;
 
+typedef struct session_wrk_stats_
+{
+  u32 errors[SESSION_N_ERRORS];
+} session_wrk_stats_t;
+
 typedef struct session_tx_context_
 {
   CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
@@ -169,6 +174,8 @@ typedef struct session_worker_
   u16 batch_num;
   vlib_dma_batch_t *batch;
 
+  session_wrk_stats_t stats;
+
 #if SESSION_DEBUG
   /** last event poll time by thread */
   clib_time_type_t last_event_poll;
@@ -333,7 +340,7 @@ session_evt_ctrl_data (session_worker_t * wrk, session_evt_elt_t * elt)
 static inline void
 session_evt_ctrl_data_free (session_worker_t * wrk, session_evt_elt_t * elt)
 {
-  ASSERT (elt->evt.event_type > SESSION_IO_EVT_BUILTIN_TX);
+  ASSERT (elt->evt.event_type >= SESSION_CTRL_EVT_RPC);
   pool_put_index (wrk->ctrl_evts_data, elt->evt.ctrl_data_index);
 }
 
@@ -709,7 +716,7 @@ vnet_get_session_main ()
 always_inline session_worker_t *
 session_main_get_worker (u32 thread_index)
 {
-  return &session_main.wrk[thread_index];
+  return vec_elt_at_index (session_main.wrk, thread_index);
 }
 
 static inline session_worker_t *
@@ -717,13 +724,13 @@ session_main_get_worker_if_valid (u32 thread_index)
 {
   if (thread_index > vec_len (session_main.wrk))
     return 0;
-  return &session_main.wrk[thread_index];
+  return session_main_get_worker (thread_index);
 }
 
 always_inline svm_msg_q_t *
 session_main_get_vpp_event_queue (u32 thread_index)
 {
-  return session_main.wrk[thread_index].vpp_event_queue;
+  return session_main_get_worker (thread_index)->vpp_event_queue;
 }
 
 always_inline u8
@@ -732,6 +739,23 @@ session_main_is_enabled ()
   return session_main.is_enabled == 1;
 }
 
+always_inline void
+session_worker_stat_error_inc (session_worker_t *wrk, int error, int value)
+{
+  if ((-(error) >= 0 && -(error) < SESSION_N_ERRORS))
+    wrk->stats.errors[-error] += value;
+  else
+    SESSION_DBG ("unknown session counter");
+}
+
+always_inline void
+session_stat_error_inc (int error, int value)
+{
+  session_worker_t *wrk;
+  wrk = session_main_get_worker (vlib_get_thread_index ());
+  session_worker_stat_error_inc (wrk, error, value);
+}
+
 #define session_cli_return_if_not_enabled()                            \
 do {                                                                   \
     if (!session_main.is_enabled)                                      \