summaryrefslogtreecommitdiffstats
path: root/test
ModeNameSize
-rw-r--r--Makefile3819logstatsplain
-rw-r--r--bfd.py6776logstatsplain
d---------doc108logstatsplain
-rw-r--r--framework.py24421logstatsplain
-rw-r--r--hook.py7218logstatsplain
-rw-r--r--log.py1914logstatsplain
d---------patches / scapy-2.3.338logstatsplain
-rw-r--r--run_tests.py271logstatsplain
d---------scapy_handlers39logstatsplain
-rw-r--r--template_bd.py3281logstatsplain
-rw-r--r--test_bfd.py10227logstatsplain
-rw-r--r--test_classifier.py13875logstatsplain
-rw-r--r--test_fib.py633logstatsplain
-rw-r--r--test_flowperpkt.py6612logstatsplain
-rw-r--r--test_gre.py23024logstatsplain
-rw-r--r--test_ip4.py17368logstatsplain
-rw-r--r--test_ip4_irb.py9224logstatsplain
-rw-r--r--test_ip6.py7926logstatsplain
-rw-r--r--test_l2_fib.py13490logstatsplain
-rw-r--r--test_l2bd.py11208logstatsplain
-rw-r--r--test_l2bd_multi_instance.py18656logstatsplain
-rw-r--r--test_l2xc.py8394logstatsplain
-rw-r--r--test_l2xc_multi_instance.py12733logstatsplain
-rw-r--r--test_lb.py8033logstatsplain
-rw-r--r--test_mpls.py24721logstatsplain
-rw-r--r--test_snat.py23940logstatsplain
-rw-r--r--test_span.py7587logstatsplain
-rw-r--r--test_vxlan.py3708logstatsplain
-rw-r--r--util.py1988logstatsplain
-rw-r--r--vpp_gre_interface.py1263logstatsplain
-rw-r--r--vpp_interface.py8463logstatsplain
-rw-r--r--vpp_ip_route.py4394logstatsplain
-rw-r--r--vpp_lo_interface.py366logstatsplain
-rw-r--r--vpp_object.py2525logstatsplain
-rw-r--r--vpp_papi_provider.py36303logstatsplain
-rw-r--r--vpp_pg_interface.py16152logstatsplain
-rw-r--r--vpp_sub_interface.py4323logstatsplain
n614' href='#n614'>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
/*
 * node.c: udp packet processing
 *
 * Copyright (c) 2013-2019 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 <vlib/vlib.h>
#include <vnet/pg/pg.h>
#include <vnet/udp/udp.h>
#include <vnet/udp/udp_packet.h>
#include <vppinfra/sparse_vec.h>

typedef enum
{
  UDP_LOCAL_NEXT_PUNT,
  UDP_LOCAL_NEXT_DROP,
  UDP_LOCAL_NEXT_ICMP,
  UDP_LOCAL_N_NEXT
} udp_local_next_t;

typedef struct
{
  u16 src_port;
  u16 dst_port;
  u8 bound;
} udp_local_rx_trace_t;

#define UDP_NO_NODE_SET ((u16) ~0)

#ifndef CLIB_MARCH_VARIANT
u8 *
format_udp_rx_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 *);
  udp_local_rx_trace_t *t = va_arg (*args, udp_local_rx_trace_t *);

  s = format (s, "UDP: src-port %d dst-port %d%s",
	      clib_net_to_host_u16 (t->src_port),
	      clib_net_to_host_u16 (t->dst_port),
	      t->bound ? "" : " (no listener)");
  return s;
}
#endif /* CLIB_MARCH_VARIANT */

always_inline uword
udp46_local_inline (vlib_main_t * vm,
		    vlib_node_runtime_t * node,
		    vlib_frame_t * from_frame, int is_ip4)
{
  udp_main_t *um = &udp_main;
  __attribute__ ((unused)) u32 n_left_from, next_index, *from, *to_next;
  word n_no_listener = 0;
  u8 punt_unknown = is_ip4 ? um->punt_unknown4 : um->punt_unknown6;
  u16 *next_by_dst_port = (is_ip4 ?
			   um->next_by_dst_port4 : um->next_by_dst_port6);
  from = vlib_frame_vector_args (from_frame);
  n_left_from = from_frame->n_vectors;

  next_index = node->cached_next_index;

  while (n_left_from > 0)
    {
      u32 n_left_to_next;

      vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);

      while (n_left_from >= 4 && n_left_to_next >= 2)
	{
	  u32 bi0, bi1;
	  vlib_buffer_t *b0, *b1;
	  udp_header_t *h0 = 0, *h1 = 0;
	  u32 i0, i1, dst_port0, dst_port1;
	  u32 advance0, advance1;
	  u32 error0, next0, error1, next1;

	  /* Prefetch next iteration. */
	  {
	    vlib_buffer_t *p2, *p3;

	    p2 = vlib_get_buffer (vm, from[2]);
	    p3 = vlib_get_buffer (vm, from[3]);

	    vlib_prefetch_buffer_header (p2, LOAD);
	    vlib_prefetch_buffer_header (p3, LOAD);

	    CLIB_PREFETCH (p2->data, sizeof (h0[0]), LOAD);
	    CLIB_PREFETCH (p3->data, sizeof (h1[0]), LOAD);
	  }

	  bi0 = from[0];
	  bi1 = from[1];
	  to_next[0] = bi0;
	  to_next[1] = bi1;
	  from += 2;
	  to_next += 2;
	  n_left_to_next -= 2;
	  n_left_from -= 2;

	  b0 = vlib_get_buffer (vm, bi0);
	  b1 = vlib_get_buffer (vm, bi1);

	  /* ip4/6_local hands us the ip header, not the udp header */
	  if (is_ip4)
	    {
	      advance0 = sizeof (ip4_header_t);
	      advance1 = sizeof (ip4_header_t);
	    }
	  else
	    {
	      advance0 = sizeof (ip6_header_t);
	      advance1 = sizeof (ip6_header_t);
	    }

	  if (PREDICT_FALSE (b0->current_length < advance0 + sizeof (*h0)))
	    {
	      error0 = UDP_ERROR_LENGTH_ERROR;
	      next0 = UDP_LOCAL_NEXT_DROP;
	    }
	  else
	    {
	      vlib_buffer_advance (b0, advance0);
	      h0 = vlib_buffer_get_current (b0);
	      error0 = UDP_ERROR_NONE;
	      next0 = UDP_LOCAL_NEXT_PUNT;
	      if (PREDICT_FALSE (clib_net_to_host_u16 (h0->length) >
				 vlib_buffer_length_in_chain (vm, b0)))
		{
		  error0 = UDP_ERROR_LENGTH_ERROR;
		  next0 = UDP_LOCAL_NEXT_DROP;
		}
	    }

	  if (PREDICT_FALSE (b1->current_length < advance1 + sizeof (*h1)))
	    {
	      error1 = UDP_ERROR_LENGTH_ERROR;
	      next1 = UDP_LOCAL_NEXT_DROP;
	    }
	  else
	    {
	      vlib_buffer_advance (b1, advance1);
	      h1 = vlib_buffer_get_current (b1);
	      error1 = UDP_ERROR_NONE;
	      next1 = UDP_LOCAL_NEXT_PUNT;
	      if (PREDICT_FALSE (clib_net_to_host_u16 (h1->length) >
				 vlib_buffer_length_in_chain (vm, b1)))
		{
		  error1 = UDP_ERROR_LENGTH_ERROR;
		  next1 = UDP_LOCAL_NEXT_DROP;
		}
	    }

	  /* Index sparse array with network byte order. */
	  dst_port0 = (error0 == 0) ? h0->dst_port : 0;
	  dst_port1 = (error1 == 0) ? h1->dst_port : 0;
	  sparse_vec_index2 (next_by_dst_port, dst_port0, dst_port1, &i0,
			     &i1);
	  next0 = (error0 == 0) ? vec_elt (next_by_dst_port, i0) : next0;
	  next1 = (error1 == 0) ? vec_elt (next_by_dst_port, i1) : next1;

	  if (PREDICT_FALSE (i0 == SPARSE_VEC_INVALID_INDEX ||
			     next0 == UDP_NO_NODE_SET))
	    {
	      // move the pointer back so icmp-error can find the
	      // ip packet header
	      vlib_buffer_advance (b0, -(word) advance0);

	      if (PREDICT_FALSE (punt_unknown))
		{
		  b0->error = node->errors[UDP_ERROR_PUNT];
		  next0 = UDP_LOCAL_NEXT_PUNT;
		}
	      else if (is_ip4)
		{
		  icmp4_error_set_vnet_buffer (b0,
					       ICMP4_destination_unreachable,
					       ICMP4_destination_unreachable_port_unreachable,
					       0);
		  next0 = UDP_LOCAL_NEXT_ICMP;
		  n_no_listener++;
		}
	      else
		{
		  icmp6_error_set_vnet_buffer (b0,
					       ICMP6_destination_unreachable,
					       ICMP6_destination_unreachable_port_unreachable,
					       0);
		  next0 = UDP_LOCAL_NEXT_ICMP;
		  n_no_listener++;
		}
	    }
	  else
	    {
	      b0->error = node->errors[UDP_ERROR_NONE];
	      // advance to the payload
	      vlib_buffer_advance (b0, sizeof (*h0));
	    }

	  if (PREDICT_FALSE (i1 == SPARSE_VEC_INVALID_INDEX ||
			     next1 == UDP_NO_NODE_SET))
	    {
	      // move the pointer back so icmp-error can find the
	      // ip packet header
	      vlib_buffer_advance (b1, -(word) advance1);

	      if (PREDICT_FALSE (punt_unknown))
		{
		  b1->error = node->errors[UDP_ERROR_PUNT];
		  next1 = UDP_LOCAL_NEXT_PUNT;
		}
	      else if (is_ip4)
		{
		  icmp4_error_set_vnet_buffer (b1,
					       ICMP4_destination_unreachable,
					       ICMP4_destination_unreachable_port_unreachable,
					       0);
		  next1 = UDP_LOCAL_NEXT_ICMP;
		  n_no_listener++;
		}
	      else
		{
		  icmp6_error_set_vnet_buffer (b1,
					       ICMP6_destination_unreachable,
					       ICMP6_destination_unreachable_port_unreachable,
					       0);
		  next1 = UDP_LOCAL_NEXT_ICMP;
		  n_no_listener++;
		}
	    }
	  else
	    {
	      b1->error = node->errors[UDP_ERROR_NONE];
	      // advance to the payload
	      vlib_buffer_advance (b1, sizeof (*h1));
	    }

	  if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
	    {
	      udp_local_rx_trace_t *tr = vlib_add_trace (vm, node,
							 b0, sizeof (*tr));
	      if (b0->error != node->errors[UDP_ERROR_LENGTH_ERROR])
		{
		  tr->src_port = h0 ? h0->src_port : 0;
		  tr->dst_port = h0 ? h0->dst_port : 0;
		  tr->bound = (next0 != UDP_LOCAL_NEXT_ICMP);
		}
	    }
	  if (PREDICT_FALSE (b1->flags & VLIB_BUFFER_IS_TRACED))
	    {
	      udp_local_rx_trace_t *tr = vlib_add_trace (vm, node,
							 b1, sizeof (*tr));
	      if (b1->error != node->errors[UDP_ERROR_LENGTH_ERROR])
		{
		  tr->src_port = h1 ? h1->src_port : 0;
		  tr->dst_port = h1 ? h1->dst_port : 0;
		  tr->bound = (next1 != UDP_LOCAL_NEXT_ICMP);
		}
	    }

	  vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
					   to_next, n_left_to_next,
					   bi0, bi1, next0, next1);
	}

      while (n_left_from > 0 && n_left_to_next > 0)
	{
	  u32 bi0;
	  vlib_buffer_t *b0;
	  udp_header_t *h0 = 0;
	  u32 i0, next0;
	  u32 advance0;

	  bi0 = from[0];
	  to_next[0] = bi0;
	  from += 1;
	  to_next += 1;
	  n_left_from -= 1;
	  n_left_to_next -= 1;

	  b0 = vlib_get_buffer (vm, bi0);

	  /* ip4/6_local hands us the ip header, not the udp header */
	  if (is_ip4)
	    advance0 = sizeof (ip4_header_t);
	  else
	    advance0 = sizeof (ip6_header_t);

	  if (PREDICT_FALSE (b0->current_length < advance0 + sizeof (*h0)))
	    {
	      b0->error = node->errors[UDP_ERROR_LENGTH_ERROR];
	      next0 = UDP_LOCAL_NEXT_DROP;
	      goto trace_x1;
	    }

	  vlib_buffer_advance (b0, advance0);

	  h0 = vlib_buffer_get_current (b0);

	  if (PREDICT_TRUE (clib_net_to_host_u16 (h0->length) <=
			    vlib_buffer_length_in_chain (vm, b0)))
	    {
	      i0 = sparse_vec_index (next_by_dst_port, h0->dst_port);
	      next0 = vec_elt (next_by_dst_port, i0);

	      if (PREDICT_FALSE ((i0 == SPARSE_VEC_INVALID_INDEX) ||
				 next0 == UDP_NO_NODE_SET))
		{
		  // move the pointer back so icmp-error can find the
		  // ip packet header
		  vlib_buffer_advance (b0, -(word) advance0);

		  if (PREDICT_FALSE (punt_unknown))
		    {
		      b0->error = node->errors[UDP_ERROR_PUNT];
		      next0 = UDP_LOCAL_NEXT_PUNT;
		    }
		  else if (is_ip4)
		    {
		      icmp4_error_set_vnet_buffer (b0,
						   ICMP4_destination_unreachable,
						   ICMP4_destination_unreachable_port_unreachable,
						   0);
		      next0 = UDP_LOCAL_NEXT_ICMP;
		      n_no_listener++;
		    }
		  else
		    {
		      icmp6_error_set_vnet_buffer (b0,
						   ICMP6_destination_unreachable,
						   ICMP6_destination_unreachable_port_unreachable,
						   0);
		      next0 = UDP_LOCAL_NEXT_ICMP;
		      n_no_listener++;
		    }
		}
	      else
		{
		  b0->error = node->errors[UDP_ERROR_NONE];
		  // advance to the payload
		  vlib_buffer_advance (b0, sizeof (*h0));
		}
	    }
	  else
	    {
	      b0->error = node->errors[UDP_ERROR_LENGTH_ERROR];
	      next0 = UDP_LOCAL_NEXT_DROP;
	    }

	trace_x1:
	  if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
	    {
	      udp_local_rx_trace_t *tr = vlib_add_trace (vm, node,
							 b0, sizeof (*tr));
	      if (b0->error != node->errors[UDP_ERROR_LENGTH_ERROR])
		{
		  tr->src_port = h0->src_port;
		  tr->dst_port = h0->dst_port;
		  tr->bound = (next0 != UDP_LOCAL_NEXT_ICMP);
		}
	    }

	  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);
    }
  vlib_error_count (vm, node->node_index, UDP_ERROR_NO_LISTENER,
		    n_no_listener);
  return from_frame->n_vectors;
}

static char *udp_error_strings[] = {
#define udp_error(n,s) s,
#include "udp_error.def"
#undef udp_error
};

VLIB_NODE_FN (udp4_local_node) (vlib_main_t * vm,
				vlib_node_runtime_t * node,
				vlib_frame_t * from_frame)
{
  return udp46_local_inline (vm, node, from_frame, 1 /* is_ip4 */ );
}

VLIB_NODE_FN (udp6_local_node) (vlib_main_t * vm,
				vlib_node_runtime_t * node,
				vlib_frame_t * from_frame)
{
  return udp46_local_inline (vm, node, from_frame, 0 /* is_ip4 */ );
}

/* *INDENT-OFF* */
VLIB_REGISTER_NODE (udp4_local_node) = {
  .name = "ip4-udp-lookup",
  /* Takes a vector of packets. */
  .vector_size = sizeof (u32),

  .n_errors = UDP_N_ERROR,
  .error_strings = udp_error_strings,

  .n_next_nodes = UDP_LOCAL_N_NEXT,
  .next_nodes = {
    [UDP_LOCAL_NEXT_PUNT]= "ip4-punt",
    [UDP_LOCAL_NEXT_DROP]= "ip4-drop",
    [UDP_LOCAL_NEXT_ICMP]= "ip4-icmp-error",
  },

  .format_buffer = format_udp_header,
  .format_trace = format_udp_rx_trace,
  .unformat_buffer = unformat_udp_header,
};
/* *INDENT-ON* */

/* *INDENT-OFF* */
VLIB_REGISTER_NODE (udp6_local_node) = {
  .name = "ip6-udp-lookup",
  /* Takes a vector of packets. */
  .vector_size = sizeof (u32),

  .n_errors = UDP_N_ERROR,
  .error_strings = udp_error_strings,

  .n_next_nodes = UDP_LOCAL_N_NEXT,
  .next_nodes = {
    [UDP_LOCAL_NEXT_PUNT]= "ip6-punt",
    [UDP_LOCAL_NEXT_DROP]= "ip6-drop",
    [UDP_LOCAL_NEXT_ICMP]= "ip6-icmp-error",
  },

  .format_buffer = format_udp_header,
  .format_trace = format_udp_rx_trace,
  .unformat_buffer = unformat_udp_header,
};
/* *INDENT-ON* */

#ifndef CLIB_MARCH_VARIANT
static void
add_dst_port (udp_main_t * um,
	      udp_dst_port_t dst_port, char *dst_port_name, u8 is_ip4)
{
  udp_dst_port_info_t *pi;
  u32 i;

  vec_add2 (um->dst_port_infos[is_ip4], pi, 1);
  i = pi - um->dst_port_infos[is_ip4];

  pi->name = dst_port_name;
  pi->dst_port = dst_port;
  pi->next_index = pi->node_index = ~0;

  hash_set (um->dst_port_info_by_dst_port[is_ip4], dst_port, i);

  if (pi->name)
    hash_set_mem (um->dst_port_info_by_name[is_ip4], pi->name, i);
}

void
udp_register_dst_port (vlib_main_t * vm,
		       udp_dst_port_t dst_port, u32 node_index, u8 is_ip4)
{
  udp_main_t *um = &udp_main;
  udp_dst_port_info_t *pi;
  u16 *n;

  {
    clib_error_t *error = vlib_call_init_function (vm, udp_local_init);
    if (error)
      clib_error_report (error);
  }

  pi = udp_get_dst_port_info (um, dst_port, is_ip4);
  if (!pi)
    {
      add_dst_port (um, dst_port, 0, is_ip4);
      pi = udp_get_dst_port_info (um, dst_port, is_ip4);
      ASSERT (pi);
    }

  pi->node_index = node_index;
  pi->next_index = vlib_node_add_next (vm,
				       is_ip4 ? udp4_local_node.index
				       : udp6_local_node.index, node_index);

  /* Setup udp protocol -> next index sparse vector mapping. */
  if (is_ip4)
    n = sparse_vec_validate (um->next_by_dst_port4,
			     clib_host_to_net_u16 (dst_port));
  else
    n = sparse_vec_validate (um->next_by_dst_port6,
			     clib_host_to_net_u16 (dst_port));

  n[0] = pi->next_index;
}

void
udp_unregister_dst_port (vlib_main_t * vm, udp_dst_port_t dst_port, u8 is_ip4)
{
  udp_main_t *um = &udp_main;
  udp_dst_port_info_t *pi;
  u16 *n;

  pi = udp_get_dst_port_info (um, dst_port, is_ip4);
  /* Not registered? Fagedaboudit */
  if (!pi)
    return;

  /* Kill the mapping. Don't bother killing the pi, it may be back. */
  if (is_ip4)
    n = sparse_vec_validate (um->next_by_dst_port4,
			     clib_host_to_net_u16 (dst_port));
  else
    n = sparse_vec_validate (um->next_by_dst_port6,
			     clib_host_to_net_u16 (dst_port));

  n[0] = UDP_NO_NODE_SET;
}

bool
udp_is_valid_dst_port (udp_dst_port_t dst_port, u8 is_ip4)
{
  udp_main_t *um = &udp_main;
  u16 *n;

  if (is_ip4)
    n = sparse_vec_validate (um->next_by_dst_port4,
			     clib_host_to_net_u16 (dst_port));
  else
    n = sparse_vec_validate (um->next_by_dst_port6,
			     clib_host_to_net_u16 (dst_port));

  return (n[0] != SPARSE_VEC_INVALID_INDEX && n[0] != UDP_NO_NODE_SET);
}

void
udp_punt_unknown (vlib_main_t * vm, u8 is_ip4, u8 is_add)
{
  udp_main_t *um = &udp_main;
  {
    clib_error_t *error = vlib_call_init_function (vm, udp_local_init);
    if (error)
      clib_error_report (error);
  }

  if (is_ip4)
    um->punt_unknown4 = is_add;
  else
    um->punt_unknown6 = is_add;
}

/* Parse a UDP header. */
uword
unformat_udp_header (unformat_input_t * input, va_list * args)
{
  u8 **result = va_arg (*args, u8 **);
  udp_header_t *udp;
  __attribute__ ((unused)) int old_length;
  u16 src_port, dst_port;

  /* Allocate space for IP header. */
  {
    void *p;

    old_length = vec_len (*result);
    vec_add2 (*result, p, sizeof (ip4_header_t));
    udp = p;
  }

  clib_memset (udp, 0, sizeof (udp[0]));
  if (unformat (input, "src-port %d dst-port %d", &src_port, &dst_port))
    {
      udp->src_port = clib_host_to_net_u16 (src_port);
      udp->dst_port = clib_host_to_net_u16 (dst_port);
      return 1;
    }
  return 0;
}

static void
udp_setup_node (vlib_main_t * vm, u32 node_index)
{
  vlib_node_t *n = vlib_get_node (vm, node_index);
  pg_node_t *pn = pg_get_node (node_index);

  n->format_buffer = format_udp_header;
  n->unformat_buffer = unformat_udp_header;
  pn->unformat_edit = unformat_pg_udp_header;
}

clib_error_t *
udp_local_init (vlib_main_t * vm)
{
  udp_main_t *um = &udp_main;
  int i;

  {
    clib_error_t *error;
    error = vlib_call_init_function (vm, udp_init);
    if (error)
      clib_error_report (error);
  }


  for (i = 0; i < 2; i++)
    {
      um->dst_port_info_by_name[i] = hash_create_string (0, sizeof (uword));
      um->dst_port_info_by_dst_port[i] = hash_create (0, sizeof (uword));
    }

  udp_setup_node (vm, udp4_local_node.index);
  udp_setup_node (vm, udp6_local_node.index);

  um->punt_unknown4 = 0;
  um->punt_unknown6 = 0;

  um->next_by_dst_port4 = sparse_vec_new
    ( /* elt bytes */ sizeof (um->next_by_dst_port4[0]),
     /* bits in index */ BITS (((udp_header_t *) 0)->dst_port));

  um->next_by_dst_port6 = sparse_vec_new
    ( /* elt bytes */ sizeof (um->next_by_dst_port6[0]),
     /* bits in index */ BITS (((udp_header_t *) 0)->dst_port));

#define _(n,s) add_dst_port (um, UDP_DST_PORT_##s, #s, 1 /* is_ip4 */);
  foreach_udp4_dst_port
#undef _
#define _(n,s) add_dst_port (um, UDP_DST_PORT_##s, #s, 0 /* is_ip4 */);
    foreach_udp6_dst_port
#undef _
    ip4_register_protocol (IP_PROTOCOL_UDP, udp4_local_node.index);
  /* Note: ip6 differs from ip4, UDP is hotwired to ip6-udp-lookup */
  return 0;
}

VLIB_INIT_FUNCTION (udp_local_init);
#endif /* CLIB_MARCH_VARIANT */

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