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authorselias <samelias@cisco.com>2017-03-16 15:28:59 +0100
committerTibor Frank <tifrank@cisco.com>2017-03-30 11:13:12 +0000
commitd919da731b92e02ccc9cee207f9d138876b7b08e (patch)
tree90a82ef2a43e0ec91c77d9476a874c9620288c51 /tests/func/honeycomb/mgmt-cfg-proxyarp-apihc-func.robot
parentbd680a762d945b7970f7e62b7ee47776f0301f8c (diff)
CSIT-532 HC Test: IPv6 Neighbor Discovery proxy
Change-Id: I6495726a814e116191f7a183be71c661466e7053 Signed-off-by: selias <samelias@cisco.com>
Diffstat (limited to 'tests/func/honeycomb/mgmt-cfg-proxyarp-apihc-func.robot')
-rw-r--r--tests/func/honeycomb/mgmt-cfg-proxyarp-apihc-func.robot2
1 files changed, 1 insertions, 1 deletions
diff --git a/tests/func/honeycomb/mgmt-cfg-proxyarp-apihc-func.robot b/tests/func/honeycomb/mgmt-cfg-proxyarp-apihc-func.robot
index f63d8adce2..aea7f2d2c8 100644
--- a/tests/func/honeycomb/mgmt-cfg-proxyarp-apihc-func.robot
+++ b/tests/func/honeycomb/mgmt-cfg-proxyarp-apihc-func.robot
@@ -33,7 +33,7 @@
| Suite Teardown
| ... | Run Keyword If Any Tests Failed
| ... | Restart Honeycomb And VPP And Clear Persisted Configuration | ${node}
-| Force Tags | honeycomb_sanity | honeycomb_test
+| Force Tags | honeycomb_sanity
| Documentation | *Honeycomb proxyARP management test suite.*
*** Test Cases ***
ref='#n414'>414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679
/*
 * Copyright (c) 2015 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.
 */
/*
 * node.c: VLIB processing nodes
 *
 * Copyright (c) 2008 Eliot Dresselhaus
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#include <vlib/vlib.h>
#include <vlib/threads.h>

/* Query node given name. */
vlib_node_t *
vlib_get_node_by_name (vlib_main_t * vm, u8 * name)
{
  vlib_node_main_t *nm = &vm->node_main;
  uword *p;
  u8 *key = name;
  if (!clib_mem_is_heap_object (key))
    key = format (0, "%s", key);
  p = hash_get (nm->node_by_name, key);
  if (key != name)
    vec_free (key);
  return p ? vec_elt (nm->nodes, p[0]) : 0;
}

static void
node_set_elog_name (vlib_main_t * vm, uword node_index)
{
  vlib_node_t *n = vlib_get_node (vm, node_index);
  elog_event_type_t *t;

  t = vec_elt_at_index (vm->node_call_elog_event_types, node_index);
  vec_free (t->format);
  t->format = (char *) format (0, "%v-call: %%d%c", n->name, 0);

  t = vec_elt_at_index (vm->node_return_elog_event_types, node_index);
  vec_free (t->format);
  t->format = (char *) format (0, "%v-return: %%d%c", n->name, 0);

  n->name_elog_string = elog_string (&vm->elog_main, "%v%c", n->name, 0);
}

static void
vlib_worker_thread_node_rename (u32 node_index)
{
  int i;
  vlib_main_t *vm;
  vlib_node_t *n;

  if (vec_len (vlib_mains) == 1)
    return;

  vm = vlib_mains[0];
  n = vlib_get_node (vm, node_index);

  ASSERT (vlib_get_thread_index () == 0);
  ASSERT (*vlib_worker_threads->wait_at_barrier == 1);

  for (i = 1; i < vec_len (vlib_mains); i++)
    {
      vlib_main_t *vm_worker = vlib_mains[i];
      vlib_node_t *n_worker = vlib_get_node (vm_worker, node_index);

      n_worker->name = n->name;
      n_worker->name_elog_string = n->name_elog_string;
    }
}

void
vlib_node_rename (vlib_main_t * vm, u32 node_index, char *fmt, ...)
{
  va_list va;
  vlib_node_main_t *nm = &vm->node_main;
  vlib_node_t *n = vlib_get_node (vm, node_index);

  va_start (va, fmt);
  hash_unset (nm->node_by_name, n->name);
  vec_free (n->name);
  n->name = va_format (0, fmt, &va);
  va_end (va);
  hash_set (nm->node_by_name, n->name, n->index);

  node_set_elog_name (vm, node_index);

  /* Propagate the change to all worker threads */
  vlib_worker_thread_node_rename (node_index);
}

static void
vlib_node_runtime_update (vlib_main_t * vm, u32 node_index, u32 next_index)
{
  vlib_node_main_t *nm = &vm->node_main;
  vlib_node_runtime_t *r, *s;
  vlib_node_t *node, *next_node;
  vlib_next_frame_t *nf;
  vlib_pending_frame_t *pf;
  i32 i, j, n_insert;

  ASSERT (vlib_get_thread_index () == 0);

  vlib_worker_thread_barrier_sync (vm);

  node = vec_elt (nm->nodes, node_index);
  r = vlib_node_get_runtime (vm, node_index);

  n_insert = vec_len (node->next_nodes) - r->n_next_nodes;
  if (n_insert > 0)
    {
      i = r->next_frame_index + r->n_next_nodes;
      vec_insert (nm->next_frames, n_insert, i);

      /* Initialize newly inserted next frames. */
      for (j = 0; j < n_insert; j++)
	vlib_next_frame_init (nm->next_frames + i + j);

      /* Relocate other next frames at higher indices. */
      for (j = 0; j < vec_len (nm->nodes); j++)
	{
	  s = vlib_node_get_runtime (vm, j);
	  if (j != node_index && s->next_frame_index >= i)
	    s->next_frame_index += n_insert;
	}

      /* Pending frames may need to be relocated also. */
      vec_foreach (pf, nm->pending_frames)
      {
	if (pf->next_frame_index != VLIB_PENDING_FRAME_NO_NEXT_FRAME
	    && pf->next_frame_index >= i)
	  pf->next_frame_index += n_insert;
      }
      /* *INDENT-OFF* */
      pool_foreach (pf, nm->suspended_process_frames, ({
	  if (pf->next_frame_index != ~0 && pf->next_frame_index >= i)
	    pf->next_frame_index += n_insert;
      }));
      /* *INDENT-ON* */

      r->n_next_nodes = vec_len (node->next_nodes);
    }

  /* Set frame's node runtime index. */
  next_node = vlib_get_node (vm, node->next_nodes[next_index]);
  nf = nm->next_frames + r->next_frame_index + next_index;
  nf->node_runtime_index = next_node->runtime_index;

  vlib_worker_thread_node_runtime_update ();

  vlib_worker_thread_barrier_release (vm);
}

uword
vlib_node_get_next (vlib_main_t * vm, uword node_index, uword next_node_index)
{
  vlib_node_main_t *nm = &vm->node_main;
  vlib_node_t *node;
  uword *p;

  node = vec_elt (nm->nodes, node_index);

  /* Runtime has to be initialized. */
  ASSERT (nm->flags & VLIB_NODE_MAIN_RUNTIME_STARTED);

  if ((p = hash_get (node->next_slot_by_node, next_node_index)))
    {
      return p[0];
    }

  return (~0);
}

/* Add next node to given node in given slot. */
uword
vlib_node_add_next_with_slot (vlib_main_t * vm,
			      uword node_index,
			      uword next_node_index, uword slot)
{
  vlib_node_main_t *nm = &vm->node_main;
  vlib_node_t *node, *next;
  uword *p;

  node = vec_elt (nm->nodes, node_index);
  next = vec_elt (nm->nodes, next_node_index);

  /* Runtime has to be initialized. */
  ASSERT (nm->flags & VLIB_NODE_MAIN_RUNTIME_STARTED);

  if ((p = hash_get (node->next_slot_by_node, next_node_index)))
    {
      /* Next already exists: slot must match. */
      if (slot != ~0)
	ASSERT (slot == p[0]);
      return p[0];
    }

  if (slot == ~0)
    slot = vec_len (node->next_nodes);

  vec_validate_init_empty (node->next_nodes, slot, ~0);
  vec_validate (node->n_vectors_by_next_node, slot);

  node->next_nodes[slot] = next_node_index;
  hash_set (node->next_slot_by_node, next_node_index, slot);

  vlib_node_runtime_update (vm, node_index, slot);

  next->prev_node_bitmap = clib_bitmap_ori (next->prev_node_bitmap,
					    node_index);

  /* Siblings all get same node structure. */
  {
    uword sib_node_index, sib_slot;
    vlib_node_t *sib_node;
    /* *INDENT-OFF* */
    clib_bitmap_foreach (sib_node_index, node->sibling_bitmap, ({
      sib_node = vec_elt (nm->nodes, sib_node_index);
      if (sib_node != node)
	{
	  sib_slot = vlib_node_add_next_with_slot (vm, sib_node_index, next_node_index, slot);
	  ASSERT (sib_slot == slot);
	}
    }));
    /* *INDENT-ON* */
  }

  return slot;
}

/* Add named next node to given node in given slot. */
uword
vlib_node_add_named_next_with_slot (vlib_main_t * vm,
				    uword node, char *name, uword slot)
{
  vlib_node_main_t *nm;
  vlib_node_t *n, *n_next;

  nm = &vm->node_main;
  n = vlib_get_node (vm, node);

  n_next = vlib_get_node_by_name (vm, (u8 *) name);
  if (!n_next)
    {
      if (nm->flags & VLIB_NODE_MAIN_RUNTIME_STARTED)
	return ~0;

      if (slot == ~0)
	slot = clib_max (vec_len (n->next_node_names),
			 vec_len (n->next_nodes));
      vec_validate (n->next_node_names, slot);
      n->next_node_names[slot] = name;
      return slot;
    }

  return vlib_node_add_next_with_slot (vm, node, n_next->index, slot);
}

static void
node_elog_init (vlib_main_t * vm, uword ni)
{
  elog_event_type_t t;

  memset (&t, 0, sizeof (t));

  /* 2 event types for this node: one when node function is called.
     One when it returns. */
  vec_validate (vm->node_call_elog_event_types, ni);
  vm->node_call_elog_event_types[ni] = t;

  vec_validate (vm->node_return_elog_event_types, ni);
  vm->node_return_elog_event_types[ni] = t;

  node_set_elog_name (vm, ni);
}

#ifdef CLIB_UNIX
#define STACK_ALIGN (clib_mem_get_page_size())
#else
#define STACK_ALIGN CLIB_CACHE_LINE_BYTES
#endif

static void
register_node (vlib_main_t * vm, vlib_node_registration_t * r)
{
  vlib_node_main_t *nm = &vm->node_main;
  vlib_node_t *n;
  u32 page_size = clib_mem_get_page_size ();
  int i;

  if (CLIB_DEBUG > 0)
    {
      /* Default (0) type should match INTERNAL. */
      vlib_node_t zero = { 0 };
      ASSERT (VLIB_NODE_TYPE_INTERNAL == zero.type);
    }

  ASSERT (r->function != 0);

  n = clib_mem_alloc_no_fail (sizeof (n[0]));
  memset (n, 0, sizeof (n[0]));
  n->index = vec_len (nm->nodes);

  vec_add1 (nm->nodes, n);

  /* Name is always a vector so it can be formatted with %v. */
  if (clib_mem_is_heap_object (vec_header (r->name, 0)))
    n->name = vec_dup ((u8 *) r->name);
  else
    n->name = format (0, "%s", r->name);

  if (!nm->node_by_name)
    nm->node_by_name = hash_create_vec ( /* size */ 32,
					sizeof (n->name[0]), sizeof (uword));

  /* Node names must be unique. */
  {
    vlib_node_t *o = vlib_get_node_by_name (vm, n->name);
    if (o)
      clib_error ("more than one node named `%v'", n->name);
  }

  hash_set (nm->node_by_name, n->name, n->index);

  r->index = n->index;		/* save index in registration */
  n->function = r->function;

  /* Node index of next sibling will be filled in by vlib_node_main_init. */
  n->sibling_of = r->sibling_of;
  if (r->sibling_of && r->n_next_nodes > 0)
    clib_error ("sibling node should not have any next nodes `%v'", n->name);

  if (r->type == VLIB_NODE_TYPE_INTERNAL)
    ASSERT (r->vector_size > 0);

#define _(f) n->f = r->f

  _(type);
  _(flags);
  _(state);
  _(scalar_size);
  _(vector_size);
  _(format_buffer);
  _(unformat_buffer);
  _(format_trace);
  _(validate_frame);

  /* Register error counters. */
  vlib_register_errors (vm, n->index, r->n_errors, r->error_strings);
  node_elog_init (vm, n->index);

  _(runtime_data_bytes);
  if (r->runtime_data_bytes > 0)
    {
      vec_resize (n->runtime_data, r->runtime_data_bytes);
      if (r->runtime_data)
	clib_memcpy (n->runtime_data, r->runtime_data, r->runtime_data_bytes);
    }

  vec_resize (n->next_node_names, r->n_next_nodes);
  for (i = 0; i < r->n_next_nodes; i++)
    n->next_node_names[i] = r->next_nodes[i];

  vec_validate_init_empty (n->next_nodes, r->n_next_nodes - 1, ~0);
  vec_validate (n->n_vectors_by_next_node, r->n_next_nodes - 1);

  n->owner_node_index = n->owner_next_index = ~0;

  /* Initialize node runtime. */
  {
    vlib_node_runtime_t *rt;
    u32 i;

    if (n->type == VLIB_NODE_TYPE_PROCESS)
      {
	vlib_process_t *p;
	uword log2_n_stack_bytes;

	log2_n_stack_bytes = clib_max (r->process_log2_n_stack_bytes, 15);

#ifdef CLIB_UNIX
	/*
	 * Bump the stack size if running over a kernel with a large page size,
	 * and the stack isn't any too big to begin with. Otherwise, we'll
	 * trip over the stack guard page for sure.
	 */
	if ((page_size > (4 << 10)) && log2_n_stack_bytes < 19)
	  {
	    if ((1 << log2_n_stack_bytes) <= page_size)
	      log2_n_stack_bytes = min_log2 (page_size) + 1;
	    else
	      log2_n_stack_bytes++;
	  }
#endif

	p = clib_mem_alloc_aligned_at_offset
	  (sizeof (p[0]) + (1 << log2_n_stack_bytes),
	   STACK_ALIGN, STRUCT_OFFSET_OF (vlib_process_t, stack),
	   0 /* no, don't call os_out_of_memory */ );
	if (p == 0)
	  clib_panic ("failed to allocate process stack (%d bytes)",
		      1 << log2_n_stack_bytes);

	memset (p, 0, sizeof (p[0]));
	p->log2_n_stack_bytes = log2_n_stack_bytes;

	/* Process node's runtime index is really index into process
	   pointer vector. */
	n->runtime_index = vec_len (nm->processes);

	vec_add1 (nm->processes, p);

	/* Paint first stack word with magic number so we can at least
	   detect process stack overruns. */
	p->stack[0] = VLIB_PROCESS_STACK_MAGIC;

	/* Node runtime is stored inside of process. */
	rt = &p->node_runtime;

#ifdef CLIB_UNIX
	/*
	 * Disallow writes to the bottom page of the stack, to
	 * catch stack overflows.
	 */
	if (mprotect (p->stack, page_size, PROT_READ) < 0)
	  clib_unix_warning ("process stack");
#endif

      }
    else
      {
	vec_add2_aligned (nm->nodes_by_type[n->type], rt, 1,
			  /* align */ CLIB_CACHE_LINE_BYTES);
	n->runtime_index = rt - nm->nodes_by_type[n->type];
      }

    if (n->type == VLIB_NODE_TYPE_INPUT)
      nm->input_node_counts_by_state[n->state] += 1;

    rt->function = n->function;
    rt->flags = n->flags;
    rt->state = n->state;
    rt->node_index = n->index;

    rt->n_next_nodes = r->n_next_nodes;
    rt->next_frame_index = vec_len (nm->next_frames);

    vec_resize (nm->next_frames, rt->n_next_nodes);
    for (i = 0; i < rt->n_next_nodes; i++)
      vlib_next_frame_init (nm->next_frames + rt->next_frame_index + i);

    vec_resize (rt->errors, r->n_errors);
    for (i = 0; i < vec_len (rt->errors); i++)
      rt->errors[i] = vlib_error_set (n->index, i);

    STATIC_ASSERT_SIZEOF (vlib_node_runtime_t, 128);
    ASSERT (vec_len (n->runtime_data) <= VLIB_NODE_RUNTIME_DATA_SIZE);

    if (vec_len (n->runtime_data) > 0)
      clib_memcpy (rt->runtime_data, n->runtime_data,
		   vec_len (n->runtime_data));

    vec_free (n->runtime_data);
  }
}

/* Register new packet processing node. */
u32
vlib_register_node (vlib_main_t * vm, vlib_node_registration_t * r)
{
  register_node (vm, r);
  return r->index;
}

static uword
null_node_fn (vlib_main_t * vm,
	      vlib_node_runtime_t * node, vlib_frame_t * frame)
{
  u16 n_vectors = frame->n_vectors;

  vlib_node_increment_counter (vm, node->node_index, 0, n_vectors);
  vlib_buffer_free (vm, vlib_frame_args (frame), n_vectors);
  vlib_frame_free (vm, node, frame);

  return n_vectors;
}

void
vlib_register_all_static_nodes (vlib_main_t * vm)
{
  vlib_node_registration_t *r;

  static char *null_node_error_strings[] = {
    "blackholed packets",
  };

  static vlib_node_registration_t null_node_reg = {
    .function = null_node_fn,
    .vector_size = sizeof (u32),
    .name = "null-node",
    .n_errors = 1,
    .error_strings = null_node_error_strings,
  };

  /* make sure that node index 0 is not used by
     real node */
  register_node (vm, &null_node_reg);

  r = vm->node_main.node_registrations;
  while (r)
    {
      register_node (vm, r);
      r = r->next_registration;
    }
}

clib_error_t *
vlib_node_main_init (vlib_main_t * vm)
{
  vlib_node_main_t *nm = &vm->node_main;
  clib_error_t *error = 0;
  vlib_node_t *n;
  uword ni;

  nm->frame_size_hash = hash_create (0, sizeof (uword));
  nm->flags |= VLIB_NODE_MAIN_RUNTIME_STARTED;

  /* Generate sibling relationships */
  {
    vlib_node_t *n, *sib;
    uword si;

    for (ni = 0; ni < vec_len (nm->nodes); ni++)
      {
	n = vec_elt (nm->nodes, ni);

	if (!n->sibling_of)
	  continue;

	sib = vlib_get_node_by_name (vm, (u8 *) n->sibling_of);
	if (!sib)
	  {
	    error = clib_error_create ("sibling `%s' not found for node `%v'",
				       n->sibling_of, n->name);
	    goto done;
	  }

        /* *INDENT-OFF* */
	clib_bitmap_foreach (si, sib->sibling_bitmap, ({
	      vlib_node_t * m = vec_elt (nm->nodes, si);

	      /* Connect all of sibling's siblings to us. */
	      m->sibling_bitmap = clib_bitmap_ori (m->sibling_bitmap, n->index);

	      /* Connect us to all of sibling's siblings. */
	      n->sibling_bitmap = clib_bitmap_ori (n->sibling_bitmap, si);
	    }));
        /* *INDENT-ON* */

	/* Connect sibling to us. */
	sib->sibling_bitmap = clib_bitmap_ori (sib->sibling_bitmap, n->index);

	/* Connect us to sibling. */
	n->sibling_bitmap = clib_bitmap_ori (n->sibling_bitmap, sib->index);
      }
  }

  /* Resolve next names into next indices. */
  for (ni = 0; ni < vec_len (nm->nodes); ni++)
    {
      uword i;

      n = vec_elt (nm->nodes, ni);

      for (i = 0; i < vec_len (n->next_node_names); i++)
	{
	  char *a = n->next_node_names[i];

	  if (!a)
	    continue;

	  if (~0 == vlib_node_add_named_next_with_slot (vm, n->index, a, i))
	    {
	      error = clib_error_create
		("node `%v' refers to unknown node `%s'", n->name, a);
	      goto done;
	    }
	}

      vec_free (n->next_node_names);
    }

  /* Set previous node pointers. */
  for (ni = 0; ni < vec_len (nm->nodes); ni++)
    {
      vlib_node_t *n_next;
      uword i;

      n = vec_elt (nm->nodes, ni);

      for (i = 0; i < vec_len (n->next_nodes); i++)
	{
	  if (n->next_nodes[i] >= vec_len (nm->nodes))
	    continue;

	  n_next = vec_elt (nm->nodes, n->next_nodes[i]);
	  n_next->prev_node_bitmap =
	    clib_bitmap_ori (n_next->prev_node_bitmap, n->index);
	}
    }

  {
    vlib_next_frame_t *nf;
    vlib_node_runtime_t *r;
    vlib_node_t *next;
    uword i;

    vec_foreach (r, nm->nodes_by_type[VLIB_NODE_TYPE_INTERNAL])
    {
      if (r->n_next_nodes == 0)
	continue;

      n = vlib_get_node (vm, r->node_index);
      nf = vec_elt_at_index (nm->next_frames, r->next_frame_index);

      for (i = 0; i < vec_len (n->next_nodes); i++)
	{
	  next = vlib_get_node (vm, n->next_nodes[i]);

	  /* Validate node runtime indices are correctly initialized. */
	  ASSERT (nf[i].node_runtime_index == next->runtime_index);

	  nf[i].flags = 0;
	  if (next->flags & VLIB_NODE_FLAG_FRAME_NO_FREE_AFTER_DISPATCH)
	    nf[i].flags |= VLIB_FRAME_NO_FREE_AFTER_DISPATCH;
	}
    }
  }

done:
  return error;
}

/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */