Cleanup/refactor session layer code

Change-Id: Ica99e8cb919fca6b069c37c969d60e8ccc2c6bf9
Signed-off-by: Florin Coras <fcoras@cisco.com>

1 files changed, 0 insertions, 685 deletions

diff --git a/src/vnet/session/node.c b/src/vnet/session/node.c
deleted file mode 100644
index 8d703b0b302..00000000000
--- a/src/vnet/session/node.c
+++ /dev/null
@@ -1,685 +0,0 @@
-/*
- * Copyright (c) 2017 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <math.h>
-#include <vlib/vlib.h>
-#include <vnet/vnet.h>
-#include <vnet/tcp/tcp.h>
-#include <vppinfra/elog.h>
-#include <vnet/session/application.h>
-#include <vnet/session/session_debug.h>
-#include <vlibmemory/unix_shared_memory_queue.h>
-
-vlib_node_registration_t session_queue_node;
-
-typedef struct
-{
-  u32 session_index;
-  u32 server_thread_index;
-} session_queue_trace_t;
-
-/* packet trace format function */
-static u8 *
-format_session_queue_trace (u8 * s, va_list * args)
-{
-  CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
-  CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
-  session_queue_trace_t *t = va_arg (*args, session_queue_trace_t *);
-
-  s = format (s, "SESSION_QUEUE: session index %d, server thread index %d",
-	      t->session_index, t->server_thread_index);
-  return s;
-}
-
-vlib_node_registration_t session_queue_node;
-
-#define foreach_session_queue_error		\
-_(TX, "Packets transmitted")                  	\
-_(TIMER, "Timer events")			\
-_(NO_BUFFER, "Out of buffers")
-
-typedef enum
-{
-#define _(sym,str) SESSION_QUEUE_ERROR_##sym,
-  foreach_session_queue_error
-#undef _
-    SESSION_QUEUE_N_ERROR,
-} session_queue_error_t;
-
-static char *session_queue_error_strings[] = {
-#define _(sym,string) string,
-  foreach_session_queue_error
-#undef _
-};
-
-static u32 session_type_to_next[] = {
-  SESSION_QUEUE_NEXT_TCP_IP4_OUTPUT,
-  SESSION_QUEUE_NEXT_IP4_LOOKUP,
-  SESSION_QUEUE_NEXT_TCP_IP6_OUTPUT,
-  SESSION_QUEUE_NEXT_IP6_LOOKUP,
-};
-
-always_inline void
-session_tx_fifo_chain_tail (session_manager_main_t * smm, vlib_main_t * vm,
-			    u8 thread_index, svm_fifo_t * fifo,
-			    vlib_buffer_t * b0, u32 bi0, u8 n_bufs_per_seg,
-			    u32 * left_to_snd0, u16 * n_bufs, u32 * rx_offset,
-			    u16 deq_per_buf, u8 peek_data)
-{
-  vlib_buffer_t *chain_b0, *prev_b0;
-  u32 chain_bi0;
-  u16 len_to_deq0, n_bytes_read;
-  u8 *data0, j;
-
-  chain_bi0 = bi0;
-  chain_b0 = b0;
-  for (j = 1; j < n_bufs_per_seg; j++)
-    {
-      prev_b0 = chain_b0;
-      len_to_deq0 = clib_min (*left_to_snd0, deq_per_buf);
-
-      *n_bufs -= 1;
-      chain_bi0 = smm->tx_buffers[thread_index][*n_bufs];
-      _vec_len (smm->tx_buffers[thread_index]) = *n_bufs;
-
-      chain_b0 = vlib_get_buffer (vm, chain_bi0);
-      chain_b0->current_data = 0;
-      data0 = vlib_buffer_get_current (chain_b0);
-      if (peek_data)
-	{
-	  n_bytes_read = svm_fifo_peek (fifo, *rx_offset, len_to_deq0, data0);
-	  *rx_offset += n_bytes_read;
-	}
-      else
-	{
-	  n_bytes_read = svm_fifo_dequeue_nowait (fifo, len_to_deq0, data0);
-	}
-      ASSERT (n_bytes_read == len_to_deq0);
-      chain_b0->current_length = n_bytes_read;
-      b0->total_length_not_including_first_buffer += chain_b0->current_length;
-
-      /* update previous buffer */
-      prev_b0->next_buffer = chain_bi0;
-      prev_b0->flags |= VLIB_BUFFER_NEXT_PRESENT;
-
-      /* update current buffer */
-      chain_b0->next_buffer = 0;
-
-      *left_to_snd0 -= n_bytes_read;
-      if (*left_to_snd0 == 0)
-	break;
-    }
-}
-
-always_inline int
-session_tx_fifo_read_and_snd_i (vlib_main_t * vm, vlib_node_runtime_t * node,
-				session_manager_main_t * smm,
-				session_fifo_event_t * e0,
-				stream_session_t * s0, u32 thread_index,
-				int *n_tx_packets, u8 peek_data)
-{
-  u32 n_trace = vlib_get_trace_count (vm, node);
-  u32 left_to_snd0, max_len_to_snd0, len_to_deq0, snd_space0;
-  u32 n_bufs_per_evt, n_frames_per_evt;
-  transport_connection_t *tc0;
-  transport_proto_vft_t *transport_vft;
-  u32 next_index, next0, *to_next, n_left_to_next, bi0;
-  vlib_buffer_t *b0;
-  u32 rx_offset = 0, max_dequeue0, n_bytes_per_seg;
-  u16 snd_mss0, n_bufs_per_seg, n_bufs;
-  u8 *data0;
-  int i, n_bytes_read;
-  u32 n_bytes_per_buf, deq_per_buf;
-  u32 buffers_allocated, buffers_allocated_this_call;
-
-  next_index = next0 = session_type_to_next[s0->session_type];
-
-  transport_vft = session_get_transport_vft (s0->session_type);
-  tc0 = transport_vft->get_connection (s0->connection_index, thread_index);
-
-  /* Make sure we have space to send and there's something to dequeue */
-  snd_mss0 = transport_vft->send_mss (tc0);
-  snd_space0 = transport_vft->send_space (tc0);
-
-  /* Can't make any progress */
-  if (snd_space0 == 0 || snd_mss0 == 0)
-    {
-      vec_add1 (smm->pending_event_vector[thread_index], *e0);
-      return 0;
-    }
-
-  if (peek_data)
-    {
-      /* Offset in rx fifo from where to peek data  */
-      rx_offset = transport_vft->tx_fifo_offset (tc0);
-    }
-
-  /* Check how much we can pull. If buffering, subtract the offset */
-  max_dequeue0 = svm_fifo_max_dequeue (s0->server_tx_fifo) - rx_offset;
-
-  /* Nothing to read return */
-  if (max_dequeue0 == 0)
-    {
-      svm_fifo_unset_event (s0->server_tx_fifo);
-      return 0;
-    }
-
-  /* Ensure we're not writing more than transport window allows */
-  if (max_dequeue0 < snd_space0)
-    {
-      /* Constrained by tx queue. Try to send only fully formed segments */
-      max_len_to_snd0 = (max_dequeue0 > snd_mss0) ?
-	max_dequeue0 - max_dequeue0 % snd_mss0 : max_dequeue0;
-      /* TODO Nagle ? */
-    }
-  else
-    {
-      max_len_to_snd0 = snd_space0;
-    }
-
-  n_bytes_per_buf = vlib_buffer_free_list_buffer_size
-    (vm, VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
-  n_bytes_per_seg = MAX_HDRS_LEN + snd_mss0;
-  n_bufs_per_seg = ceil ((double) n_bytes_per_seg / n_bytes_per_buf);
-  n_bufs_per_evt = (ceil ((double) max_len_to_snd0 / n_bytes_per_seg))
-    * n_bufs_per_seg;
-  n_frames_per_evt = ceil ((double) n_bufs_per_evt / VLIB_FRAME_SIZE);
-
-  deq_per_buf = clib_min (snd_mss0, n_bytes_per_buf);
-
-  n_bufs = vec_len (smm->tx_buffers[thread_index]);
-  left_to_snd0 = max_len_to_snd0;
-  for (i = 0; i < n_frames_per_evt; i++)
-    {
-      /* Make sure we have at least one full frame of buffers ready */
-      if (PREDICT_FALSE (n_bufs < VLIB_FRAME_SIZE))
-	{
-	  vec_validate (smm->tx_buffers[thread_index],
-			n_bufs + 2 * VLIB_FRAME_SIZE - 1);
-
-	  buffers_allocated = 0;
-	  do
-	    {
-	      buffers_allocated_this_call =
-		vlib_buffer_alloc
-		(vm,
-		 &smm->tx_buffers[thread_index][n_bufs + buffers_allocated],
-		 2 * VLIB_FRAME_SIZE - buffers_allocated);
-	      buffers_allocated += buffers_allocated_this_call;
-	    }
-	  while (buffers_allocated_this_call > 0
-		 && ((buffers_allocated + n_bufs < VLIB_FRAME_SIZE)));
-
-	  n_bufs += buffers_allocated;
-
-	  _vec_len (smm->tx_buffers[thread_index]) = n_bufs;
-
-	  if (PREDICT_FALSE (n_bufs < VLIB_FRAME_SIZE))
-	    {
-	      vec_add1 (smm->pending_event_vector[thread_index], *e0);
-	      return -1;
-	    }
-	}
-      /* Allow enqueuing of a new event */
-      svm_fifo_unset_event (s0->server_tx_fifo);
-
-      vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
-      while (left_to_snd0 && n_left_to_next >= n_bufs_per_seg)
-	{
-	  /*
-	   * Handle first buffer in chain separately
-	   */
-
-	  /* Get free buffer */
-	  ASSERT (n_bufs >= 1);
-	  bi0 = smm->tx_buffers[thread_index][--n_bufs];
-	  ASSERT (bi0);
-	  _vec_len (smm->tx_buffers[thread_index]) = n_bufs;
-
-	  /* usual speculation, or the enqueue_x1 macro will barf */
-	  to_next[0] = bi0;
-	  to_next += 1;
-	  n_left_to_next -= 1;
-
-	  b0 = vlib_get_buffer (vm, bi0);
-	  b0->error = 0;
-	  b0->flags = VLIB_BUFFER_TOTAL_LENGTH_VALID
-	    | VNET_BUFFER_F_LOCALLY_ORIGINATED;
-	  b0->current_data = 0;
-	  b0->total_length_not_including_first_buffer = 0;
-
-	  len_to_deq0 = clib_min (left_to_snd0, deq_per_buf);
-
-	  data0 = vlib_buffer_make_headroom (b0, MAX_HDRS_LEN);
-	  if (peek_data)
-	    {
-	      n_bytes_read = svm_fifo_peek (s0->server_tx_fifo, rx_offset,
-					    len_to_deq0, data0);
-	      /* Keep track of progress locally, transport is also supposed to
-	       * increment it independently when pushing the header */
-	      rx_offset += n_bytes_read;
-	    }
-	  else
-	    {
-	      n_bytes_read = svm_fifo_dequeue_nowait (s0->server_tx_fifo,
-						      len_to_deq0, data0);
-	    }
-
-	  if (n_bytes_read <= 0)
-	    goto dequeue_fail;
-
-	  b0->current_length = n_bytes_read;
-
-	  left_to_snd0 -= n_bytes_read;
-	  *n_tx_packets = *n_tx_packets + 1;
-
-	  /*
-	   * Fill in the remaining buffers in the chain, if any
-	   */
-	  if (PREDICT_FALSE (n_bufs_per_seg > 1))
-	    session_tx_fifo_chain_tail (smm, vm, thread_index,
-					s0->server_tx_fifo, b0, bi0,
-					n_bufs_per_seg, &left_to_snd0,
-					&n_bufs, &rx_offset, deq_per_buf,
-					peek_data);
-
-	  /* Ask transport to push header after current_length and
-	   * total_length_not_including_first_buffer are updated */
-	  transport_vft->push_header (tc0, b0);
-
-	  /* *INDENT-OFF* */
-	  SESSION_EVT_DBG(SESSION_EVT_DEQ, s0, ({
-	      ed->data[0] = e0->event_id;
-	      ed->data[1] = max_dequeue0;
-	      ed->data[2] = len_to_deq0;
-	      ed->data[3] = left_to_snd0;
-	  }));
-	  /* *INDENT-ON* */
-
-
-	  VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
-	  if (PREDICT_FALSE (n_trace > 0))
-	    {
-	      session_queue_trace_t *t0;
-	      vlib_trace_buffer (vm, node, next_index, b0,
-				 1 /* follow_chain */ );
-	      vlib_set_trace_count (vm, node, --n_trace);
-	      t0 = vlib_add_trace (vm, node, b0, sizeof (*t0));
-	      t0->session_index = s0->session_index;
-	      t0->server_thread_index = s0->thread_index;
-	    }
-
-	  vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
-					   to_next, n_left_to_next,
-					   bi0, next0);
-	}
-      vlib_put_next_frame (vm, node, next_index, n_left_to_next);
-    }
-
-  /* If we couldn't dequeue all bytes mark as partially read */
-  if (max_len_to_snd0 < max_dequeue0)
-    {
-      /* If we don't already have new event */
-      if (svm_fifo_set_event (s0->server_tx_fifo))
-	{
-	  vec_add1 (smm->pending_event_vector[thread_index], *e0);
-	}
-    }
-  return 0;
-
-dequeue_fail:
-  /*
-   * Can't read from fifo. If we don't already have an event, save as partially
-   * read, return buff to free list and return
-   */
-  clib_warning ("dequeue fail");
-
-  if (svm_fifo_set_event (s0->server_tx_fifo))
-    {
-      vec_add1 (smm->pending_event_vector[thread_index], *e0);
-    }
-  vlib_put_next_frame (vm, node, next_index, n_left_to_next + 1);
-  _vec_len (smm->tx_buffers[thread_index]) += 1;
-
-  return 0;
-}
-
-int
-session_tx_fifo_peek_and_snd (vlib_main_t * vm, vlib_node_runtime_t * node,
-			      session_manager_main_t * smm,
-			      session_fifo_event_t * e0,
-			      stream_session_t * s0, u32 thread_index,
-			      int *n_tx_pkts)
-{
-  return session_tx_fifo_read_and_snd_i (vm, node, smm, e0, s0, thread_index,
-					 n_tx_pkts, 1);
-}
-
-int
-session_tx_fifo_dequeue_and_snd (vlib_main_t * vm, vlib_node_runtime_t * node,
-				 session_manager_main_t * smm,
-				 session_fifo_event_t * e0,
-				 stream_session_t * s0, u32 thread_index,
-				 int *n_tx_pkts)
-{
-  return session_tx_fifo_read_and_snd_i (vm, node, smm, e0, s0, thread_index,
-					 n_tx_pkts, 0);
-}
-
-always_inline stream_session_t *
-session_event_get_session (session_fifo_event_t * e, u8 thread_index)
-{
-  ASSERT (e->fifo->master_thread_index == thread_index);
-  return stream_session_get_if_valid (e->fifo->master_session_index,
-				      thread_index);
-}
-
-void
-dump_thread_0_event_queue (void)
-{
-  session_manager_main_t *smm = vnet_get_session_manager_main ();
-  vlib_main_t *vm = &vlib_global_main;
-  u32 my_thread_index = vm->thread_index;
-  session_fifo_event_t _e, *e = &_e;
-  stream_session_t *s0;
-  int i, index;
-  i8 *headp;
-
-  unix_shared_memory_queue_t *q;
-  q = smm->vpp_event_queues[my_thread_index];
-
-  index = q->head;
-
-  for (i = 0; i < q->cursize; i++)
-    {
-      headp = (i8 *) (&q->data[0] + q->elsize * index);
-      clib_memcpy (e, headp, q->elsize);
-
-      switch (e->event_type)
-	{
-	case FIFO_EVENT_APP_TX:
-	  s0 = session_event_get_session (e, my_thread_index);
-	  fformat (stdout, "[%04d] TX session %d\n", i, s0->session_index);
-	  break;
-
-	case FIFO_EVENT_DISCONNECT:
-	  s0 = stream_session_get_from_handle (e->session_handle);
-	  fformat (stdout, "[%04d] disconnect session %d\n", i,
-		   s0->session_index);
-	  break;
-
-	case FIFO_EVENT_BUILTIN_RX:
-	  s0 = session_event_get_session (e, my_thread_index);
-	  fformat (stdout, "[%04d] builtin_rx %d\n", i, s0->session_index);
-	  break;
-
-	case FIFO_EVENT_RPC:
-	  fformat (stdout, "[%04d] RPC call %llx with %llx\n",
-		   i, (u64) (e->rpc_args.fp), (u64) (e->rpc_args.arg));
-	  break;
-
-	default:
-	  fformat (stdout, "[%04d] unhandled event type %d\n",
-		   i, e->event_type);
-	  break;
-	}
-
-      index++;
-
-      if (index == q->maxsize)
-	index = 0;
-    }
-}
-
-static u8
-session_node_cmp_event (session_fifo_event_t * e, svm_fifo_t * f)
-{
-  stream_session_t *s;
-  switch (e->event_type)
-    {
-    case FIFO_EVENT_APP_RX:
-    case FIFO_EVENT_APP_TX:
-    case FIFO_EVENT_BUILTIN_RX:
-      if (e->fifo == f)
-	return 1;
-      break;
-    case FIFO_EVENT_DISCONNECT:
-      break;
-    case FIFO_EVENT_RPC:
-      s = stream_session_get_from_handle (e->session_handle);
-      if (!s)
-	{
-	  clib_warning ("session has event but doesn't exist!");
-	  break;
-	}
-      if (s->server_rx_fifo == f || s->server_tx_fifo == f)
-	return 1;
-      break;
-    default:
-      break;
-    }
-  return 0;
-}
-
-u8
-session_node_lookup_fifo_event (svm_fifo_t * f, session_fifo_event_t * e)
-{
-  session_manager_main_t *smm = vnet_get_session_manager_main ();
-  unix_shared_memory_queue_t *q;
-  session_fifo_event_t *pending_event_vector, *evt;
-  int i, index, found = 0;
-  i8 *headp;
-  u8 thread_index;
-
-  ASSERT (e);
-  thread_index = f->master_thread_index;
-  /*
-   * Search evt queue
-   */
-  q = smm->vpp_event_queues[thread_index];
-  index = q->head;
-  for (i = 0; i < q->cursize; i++)
-    {
-      headp = (i8 *) (&q->data[0] + q->elsize * index);
-      clib_memcpy (e, headp, q->elsize);
-      found = session_node_cmp_event (e, f);
-      if (found)
-	break;
-      if (++index == q->maxsize)
-	index = 0;
-    }
-  /*
-   * Search pending events vector
-   */
-  pending_event_vector = smm->pending_event_vector[thread_index];
-  vec_foreach (evt, pending_event_vector)
-  {
-    found = session_node_cmp_event (evt, f);
-    if (found)
-      {
-	clib_memcpy (e, evt, sizeof (*evt));
-	break;
-      }
-  }
-  return found;
-}
-
-static uword
-session_queue_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
-		       vlib_frame_t * frame)
-{
-  session_manager_main_t *smm = vnet_get_session_manager_main ();
-  session_fifo_event_t *my_pending_event_vector, *e;
-  session_fifo_event_t *my_fifo_events;
-  u32 n_to_dequeue, n_events;
-  unix_shared_memory_queue_t *q;
-  application_t *app;
-  int n_tx_packets = 0;
-  u32 my_thread_index = vm->thread_index;
-  int i, rv;
-  f64 now = vlib_time_now (vm);
-  void (*fp) (void *);
-
-  SESSION_EVT_DBG (SESSION_EVT_POLL_GAP_TRACK, smm, my_thread_index);
-
-  /*
-   *  Update TCP time
-   */
-  tcp_update_time (now, my_thread_index);
-
-  /*
-   * Get vpp queue events
-   */
-  q = smm->vpp_event_queues[my_thread_index];
-  if (PREDICT_FALSE (q == 0))
-    return 0;
-
-  my_fifo_events = smm->free_event_vector[my_thread_index];
-
-  /* min number of events we can dequeue without blocking */
-  n_to_dequeue = q->cursize;
-  my_pending_event_vector = smm->pending_event_vector[my_thread_index];
-
-  if (n_to_dequeue == 0 && vec_len (my_pending_event_vector) == 0)
-    return 0;
-
-  SESSION_EVT_DBG (SESSION_EVT_DEQ_NODE, 0);
-
-  /*
-   * If we didn't manage to process previous events try going
-   * over them again without dequeuing new ones.
-   */
-  /* XXX: Block senders to sessions that can't keep up */
-  if (0 && vec_len (my_pending_event_vector) >= 100)
-    {
-      clib_warning ("too many fifo events unsolved");
-      goto skip_dequeue;
-    }
-
-  /* See you in the next life, don't be late */
-  if (pthread_mutex_trylock (&q->mutex))
-    return 0;
-
-  for (i = 0; i < n_to_dequeue; i++)
-    {
-      vec_add2 (my_fifo_events, e, 1);
-      unix_shared_memory_queue_sub_raw (q, (u8 *) e);
-    }
-
-  /* The other side of the connection is not polling */
-  if (q->cursize < (q->maxsize / 8))
-    (void) pthread_cond_broadcast (&q->condvar);
-  pthread_mutex_unlock (&q->mutex);
-
-  vec_append (my_fifo_events, my_pending_event_vector);
-
-  _vec_len (my_pending_event_vector) = 0;
-  smm->pending_event_vector[my_thread_index] = my_pending_event_vector;
-
-skip_dequeue:
-  n_events = vec_len (my_fifo_events);
-  for (i = 0; i < n_events; i++)
-    {
-      stream_session_t *s0;	/* $$$ prefetch 1 ahead maybe */
-      session_fifo_event_t *e0;
-
-      e0 = &my_fifo_events[i];
-
-      switch (e0->event_type)
-	{
-	case FIFO_EVENT_APP_TX:
-	  s0 = session_event_get_session (e0, my_thread_index);
-
-	  if (CLIB_DEBUG && !s0)
-	    {
-	      clib_warning ("It's dead, Jim!");
-	      continue;
-	    }
-
-	  if (PREDICT_FALSE (s0->session_state == SESSION_STATE_CLOSED))
-	    continue;
-	  /* Spray packets in per session type frames, since they go to
-	   * different nodes */
-	  rv = (smm->session_tx_fns[s0->session_type]) (vm, node, smm, e0, s0,
-							my_thread_index,
-							&n_tx_packets);
-	  /* Out of buffers */
-	  if (PREDICT_FALSE (rv < 0))
-	    {
-	      vlib_node_increment_counter (vm, node->node_index,
-					   SESSION_QUEUE_ERROR_NO_BUFFER, 1);
-	      continue;
-	    }
-	  break;
-	case FIFO_EVENT_DISCONNECT:
-	  s0 = stream_session_get_from_handle (e0->session_handle);
-	  stream_session_disconnect (s0);
-	  break;
-	case FIFO_EVENT_BUILTIN_RX:
-	  s0 = session_event_get_session (e0, my_thread_index);
-	  svm_fifo_unset_event (s0->server_rx_fifo);
-	  app = application_get (s0->app_index);
-	  app->cb_fns.builtin_server_rx_callback (s0);
-	  break;
-	case FIFO_EVENT_RPC:
-	  fp = e0->rpc_args.fp;
-	  (*fp) (e0->rpc_args.arg);
-	  break;
-
-	default:
-	  clib_warning ("unhandled event type %d", e0->event_type);
-	}
-    }
-
-  _vec_len (my_fifo_events) = 0;
-  smm->free_event_vector[my_thread_index] = my_fifo_events;
-
-  vlib_node_increment_counter (vm, session_queue_node.index,
-			       SESSION_QUEUE_ERROR_TX, n_tx_packets);
-
-  SESSION_EVT_DBG (SESSION_EVT_DEQ_NODE, 1);
-
-  return n_tx_packets;
-}
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (session_queue_node) =
-{
-  .function = session_queue_node_fn,
-  .name = "session-queue",
-  .format_trace = format_session_queue_trace,
-  .type = VLIB_NODE_TYPE_INPUT,
-  .n_errors = ARRAY_LEN (session_queue_error_strings),
-  .error_strings = session_queue_error_strings,
-  .n_next_nodes = SESSION_QUEUE_N_NEXT,
-  .state = VLIB_NODE_STATE_DISABLED,
-  .next_nodes =
-  {
-      [SESSION_QUEUE_NEXT_DROP] = "error-drop",
-      [SESSION_QUEUE_NEXT_IP4_LOOKUP] = "ip4-lookup",
-      [SESSION_QUEUE_NEXT_IP6_LOOKUP] = "ip6-lookup",
-      [SESSION_QUEUE_NEXT_TCP_IP4_OUTPUT] = "tcp4-output",
-      [SESSION_QUEUE_NEXT_TCP_IP6_OUTPUT] = "tcp6-output",
-  },
-};
-/* *INDENT-ON* */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */