Fixes for buliding for 32bit targets:
[vpp.git] / src / vnet / session / segment_manager.c
index eb24557..e48e951 100644 (file)
@@ -34,7 +34,8 @@ static u32 default_app_evt_queue_size = 128;
 segment_manager_properties_t *
 segment_manager_properties_get (segment_manager_t * sm)
 {
-  return application_get_segment_manager_properties (sm->app_index);
+  app_worker_t *app_wrk = app_worker_get (sm->app_wrk_index);
+  return application_get_segment_manager_properties (app_wrk->app_index);
 }
 
 segment_manager_properties_t *
@@ -50,13 +51,13 @@ segment_manager_properties_init (segment_manager_properties_t * props)
 static u8
 segment_manager_app_detached (segment_manager_t * sm)
 {
-  return (sm->app_index == SEGMENT_MANAGER_INVALID_APP_INDEX);
+  return (sm->app_wrk_index == SEGMENT_MANAGER_INVALID_APP_INDEX);
 }
 
 void
 segment_manager_app_detach (segment_manager_t * sm)
 {
-  sm->app_index = SEGMENT_MANAGER_INVALID_APP_INDEX;
+  sm->app_wrk_index = SEGMENT_MANAGER_INVALID_APP_INDEX;
 }
 
 always_inline u32
@@ -81,14 +82,14 @@ segment_manager_del_segment (segment_manager_t * sm,
   ssvm_delete (&fs->ssvm);
 
   if (CLIB_DEBUG)
-    memset (fs, 0xfb, sizeof (*fs));
+    clib_memset (fs, 0xfb, sizeof (*fs));
   pool_put (sm->segments, fs);
 }
 
 /**
  * Removes segment after acquiring writer lock
  */
-always_inline void
+static inline void
 segment_manager_lock_and_del_segment (segment_manager_t * sm, u32 fs_index)
 {
   svm_fifo_segment_private_t *fs;
@@ -116,6 +117,36 @@ segment_manager_get_segment (segment_manager_t * sm, u32 segment_index)
   return pool_elt_at_index (sm->segments, segment_index);
 }
 
+u64
+segment_manager_segment_handle (segment_manager_t * sm,
+                               svm_fifo_segment_private_t * segment)
+{
+  u32 segment_index = segment_manager_segment_index (sm, segment);
+  return (((u64) segment_manager_index (sm) << 32) | segment_index);
+}
+
+void
+segment_manager_parse_segment_handle (u64 segment_handle, u32 * sm_index,
+                                     u32 * segment_index)
+{
+  *sm_index = segment_handle >> 32;
+  *segment_index = segment_handle & 0xFFFFFFFF;
+}
+
+svm_fifo_segment_private_t *
+segment_manager_get_segment_w_handle (u64 segment_handle)
+{
+  u32 sm_index, segment_index;
+  segment_manager_t *sm;
+
+  segment_manager_parse_segment_handle (segment_handle, &sm_index,
+                                       &segment_index);
+  sm = segment_manager_get (sm_index);
+  if (!sm || pool_is_free_index (sm->segments, segment_index))
+    return 0;
+  return pool_elt_at_index (sm->segments, segment_index);
+}
+
 /**
  * Reads a segment from the segment manager's pool and acquires reader lock
  *
@@ -153,9 +184,9 @@ int
 segment_manager_add_segment (segment_manager_t * sm, u32 segment_size)
 {
   segment_manager_main_t *smm = &segment_manager_main;
-  u32 rnd_margin = 128 << 10, seg_index;
+  u32 rnd_margin = 128 << 10, seg_index, page_size;
   segment_manager_properties_t *props;
-  uword baseva = (u64) ~ 0, alloc_size;
+  uword baseva = (uword) ~ 0ULL, alloc_size;
   svm_fifo_segment_private_t *seg;
   u8 *seg_name;
   int rv;
@@ -181,16 +212,18 @@ segment_manager_add_segment (segment_manager_t * sm, u32 segment_size)
     {
       pool_get (sm->segments, seg);
     }
-  memset (seg, 0, sizeof (*seg));
+  clib_memset (seg, 0, sizeof (*seg));
 
   /*
    * Initialize ssvm segment and svm fifo private header
    */
   segment_size = segment_size ? segment_size : props->add_segment_size;
+  page_size = clib_mem_get_page_size ();
+  segment_size = (segment_size + page_size - 1) & ~(page_size - 1);
   if (props->segment_type != SSVM_SEGMENT_PRIVATE)
     {
       seg_name = format (0, "%d-%d%c", getpid (), segment_name_counter++, 0);
-      alloc_size = segment_size + rnd_margin;
+      alloc_size = (uword) segment_size + rnd_margin;
       baseva = clib_valloc_alloc (&smm->va_allocator, alloc_size, 0);
       if (!baseva)
        {
@@ -235,7 +268,7 @@ segment_manager_new ()
   segment_manager_main_t *smm = &segment_manager_main;
   segment_manager_t *sm;
   pool_get (smm->segment_managers, sm);
-  memset (sm, 0, sizeof (*sm));
+  clib_memset (sm, 0, sizeof (*sm));
   clib_rwlock_init (&sm->segments_rwlock);
   return sm;
 }
@@ -250,8 +283,7 @@ segment_manager_init (segment_manager_t * sm, u32 first_seg_size,
 {
   u32 rx_fifo_size, tx_fifo_size, pair_size;
   u32 rx_rounded_data_size, tx_rounded_data_size;
-  u64 approx_total_size, max_seg_size =
-    ((u64) 1 << 32) - clib_mem_get_page_size ();
+  u64 approx_total_size, max_seg_size = ((u64) 1 << 32) - (128 << 10);
   segment_manager_properties_t *props;
   svm_fifo_segment_private_t *segment;
   u32 approx_segment_count;
@@ -288,8 +320,7 @@ segment_manager_init (segment_manager_t * sm, u32 first_seg_size,
 
          segment = segment_manager_get_segment (sm, seg_index);
          if (i == 0)
-           sm->event_queue = segment_manager_alloc_queue (segment,
-                                                          props->evt_q_size);
+           sm->event_queue = segment_manager_alloc_queue (segment, props);
 
          svm_fifo_segment_preallocate_fifo_pairs (segment,
                                                   props->rx_fifo_size,
@@ -309,8 +340,7 @@ segment_manager_init (segment_manager_t * sm, u32 first_seg_size,
          return seg_index;
        }
       segment = segment_manager_get_segment (sm, seg_index);
-      sm->event_queue = segment_manager_alloc_queue (segment,
-                                                    props->evt_q_size);
+      sm->event_queue = segment_manager_alloc_queue (segment, props);
     }
 
   return 0;
@@ -366,9 +396,17 @@ segment_manager_del_sessions (segment_manager_t * sm)
      */
     while (fifo)
       {
+       if (fifo->ct_session_index != SVM_FIFO_INVALID_SESSION_INDEX)
+         {
+           svm_fifo_t *next = fifo->next;
+           application_local_session_disconnect_w_index (sm->app_wrk_index,
+                                                         fifo->ct_session_index);
+           fifo = next;
+           continue;
+         }
        session = session_get (fifo->master_session_index,
                               fifo->master_thread_index);
-       stream_session_disconnect (session);
+       session_close (session);
        fifo = fifo->next;
       }
 
@@ -411,7 +449,7 @@ segment_manager_del (segment_manager_t * sm)
 
   clib_rwlock_free (&sm->segments_rwlock);
   if (CLIB_DEBUG)
-    memset (sm, 0xfe, sizeof (*sm));
+    clib_memset (sm, 0xfe, sizeof (*sm));
   pool_put (smm->segment_managers, sm);
 }
 
@@ -476,9 +514,9 @@ segment_manager_alloc_session_fifos (segment_manager_t * sm,
   int alloc_fail = 1, rv = 0, new_fs_index;
   segment_manager_properties_t *props;
   u8 added_a_segment = 0;
+  u64 segment_handle;
   u32 sm_index;
 
-  ASSERT (pool_elts (sm->segments) != 0);
   props = segment_manager_properties_get (sm);
 
   /*
@@ -506,13 +544,18 @@ alloc_check:
 
       ASSERT (rx_fifo && tx_fifo);
       sm_index = segment_manager_index (sm);
+      *fifo_segment_index = segment_manager_segment_index (sm, fifo_segment);
       (*tx_fifo)->segment_manager = sm_index;
       (*rx_fifo)->segment_manager = sm_index;
-      *fifo_segment_index = segment_manager_segment_index (sm, fifo_segment);
+      (*tx_fifo)->segment_index = *fifo_segment_index;
+      (*rx_fifo)->segment_index = *fifo_segment_index;
 
       if (added_a_segment)
-       rv = application_add_segment_notify (sm->app_index,
-                                            &fifo_segment->ssvm);
+       {
+         segment_handle = segment_manager_segment_handle (sm, fifo_segment);
+         rv = app_worker_add_segment_notify (sm->app_wrk_index,
+                                             segment_handle);
+       }
       /* Drop the lock after app is notified */
       segment_manager_segment_reader_unlock (sm);
       return rv;
@@ -584,32 +627,67 @@ segment_manager_dealloc_fifos (u32 segment_index, svm_fifo_t * rx_fifo,
       /* Remove segment manager if no sessions and detached from app */
       if (segment_manager_app_detached (sm)
          && !segment_manager_has_fifos (sm))
-       segment_manager_del (sm);
+       {
+         segment_manager_del (sm);
+       }
     }
   else
     segment_manager_segment_reader_unlock (sm);
 }
 
+u32
+segment_manager_evt_q_expected_size (u32 q_len)
+{
+  u32 fifo_evt_size, notif_q_size, q_hdrs;
+  u32 msg_q_sz, fifo_evt_ring_sz, session_ntf_ring_sz;
+
+  fifo_evt_size = 1 << max_log2 (sizeof (session_event_t));
+  notif_q_size = clib_max (16, q_len >> 4);
+
+  msg_q_sz = q_len * sizeof (svm_msg_q_msg_t);
+  fifo_evt_ring_sz = q_len * fifo_evt_size;
+  session_ntf_ring_sz = notif_q_size * 256;
+  q_hdrs = sizeof (svm_queue_t) + sizeof (svm_msg_q_t);
+
+  return (msg_q_sz + fifo_evt_ring_sz + session_ntf_ring_sz + q_hdrs);
+}
+
 /**
  * Allocates shm queue in the first segment
  *
  * Must be called with lock held
  */
-svm_queue_t *
+svm_msg_q_t *
 segment_manager_alloc_queue (svm_fifo_segment_private_t * segment,
-                            u32 queue_size)
+                            segment_manager_properties_t * props)
 {
-  ssvm_shared_header_t *sh;
-  svm_queue_t *q;
+  u32 fifo_evt_size, session_evt_size = 256, notif_q_size;
+  svm_msg_q_cfg_t _cfg, *cfg = &_cfg;
+  svm_msg_q_t *q;
   void *oldheap;
 
-  sh = segment->ssvm.sh;
+  fifo_evt_size = sizeof (session_event_t);
+  notif_q_size = clib_max (16, props->evt_q_size >> 4);
+  /* *INDENT-OFF* */
+  svm_msg_q_ring_cfg_t rc[SESSION_MQ_N_RINGS] = {
+    {props->evt_q_size, fifo_evt_size, 0},
+    {notif_q_size, session_evt_size, 0}
+  };
+  /* *INDENT-ON* */
+  cfg->consumer_pid = 0;
+  cfg->n_rings = 2;
+  cfg->q_nitems = props->evt_q_size;
+  cfg->ring_cfgs = rc;
 
-  oldheap = ssvm_push_heap (sh);
-  q = svm_queue_init (queue_size, sizeof (session_fifo_event_t),
-                     0 /* consumer pid */ ,
-                     0 /* signal when queue non-empty */ );
+  oldheap = ssvm_push_heap (segment->ssvm.sh);
+  q = svm_msg_q_alloc (cfg);
   ssvm_pop_heap (oldheap);
+
+  if (props->use_mq_eventfd)
+    {
+      if (svm_msg_q_alloc_producer_eventfd (q))
+       clib_warning ("failed to alloc eventfd");
+    }
   return q;
 }
 
@@ -657,8 +735,8 @@ segment_manager_show_fn (vlib_main_t * vm, unformat_input_t * input,
   svm_fifo_segment_private_t *seg;
   segment_manager_t *sm;
   u8 show_segments = 0, verbose = 0;
-  uword address;
-  u64 size;
+  char *address;
+  size_t size;
   u32 active_fifos;
   u32 free_fifos;
 
@@ -681,8 +759,8 @@ segment_manager_show_fn (vlib_main_t * vm, unformat_input_t * input,
 
       /* *INDENT-OFF* */
       pool_foreach (sm, smm->segment_managers, ({
-       vlib_cli_output (vm, "%-10d%=15d%=12d", segment_manager_index(sm),
-                          sm->app_index, pool_elts (sm->segments));
+       vlib_cli_output (vm, "%-10d%=15d%=12d", segment_manager_index (sm),
+                          sm->app_wrk_index, pool_elts (sm->segments));
       }));
       /* *INDENT-ON* */