misc: deprecate gbp and its dependents

Type: improvement

Signed-off-by: Neale Ranns <nranns@cisco.com>
Signed-off-by: Benoît Ganne <bganne@cisco.com>
Change-Id: I2f30a4f04fd9a8635ce2d259b5fd5b0c85cee8c3

6 files changed, 0 insertions, 721 deletions

diff --git a/src/plugins/l2e/CMakeLists.txt b/src/plugins/l2e/CMakeLists.txt
deleted file mode 100644
index 2bfb05a43e6..00000000000
--- a/src/plugins/l2e/CMakeLists.txt
+++ /dev/null
@@ -1,28 +0,0 @@
-# Copyright (c) 2018 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.
-
-add_vpp_plugin(l2e
-  SOURCES
-  l2e_node.c
-  l2e_api.c
-  l2e.c
-
-  MULTIARCH_SOURCES
-  l2e_node.c
-
-  API_FILES
-  l2e.api
-
-  INSTALL_HEADERS
-  l2e.h
-)
diff --git a/src/plugins/l2e/l2e.api b/src/plugins/l2e/l2e.api
deleted file mode 100644
index 586e2bae5ca..00000000000
--- a/src/plugins/l2e/l2e.api
+++ /dev/null
@@ -1,39 +0,0 @@
-/* Hey Emacs use -*- mode: C -*- */
-/*
- * Copyright (c) 2016 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.
- */
-
-option version = "1.0.0";
-import "vnet/interface_types.api";
-
-/** \brief L2 emulation at L3
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-    @param sw_if_index - interface the operation is applied to
-    @param enable - Turn the service on or off
-*/
-autoreply define l2_emulation
-{
-  option status="in_progress";
-  u32 client_index;
-  u32 context;
-  vl_api_interface_index_t sw_if_index;
-  bool enable;
-};
-
-/*
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
diff --git a/src/plugins/l2e/l2e.c b/src/plugins/l2e/l2e.c
deleted file mode 100644
index 4c6eac50446..00000000000
--- a/src/plugins/l2e/l2e.c
+++ /dev/null
@@ -1,198 +0,0 @@
-/*
- * l2e.c : Extract L3 packets from the L2 input and feed
- *                   them into the L3 path.
- *
- * Copyright (c) 2013 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 <plugins/l2e/l2e.h>
-#include <vnet/l2/l2_input.h>
-#include <vnet/l2/feat_bitmap.h>
-#include <vnet/ip/ip.h>
-
-l2_emulation_main_t l2_emulation_main;
-
-/**
- * A zero'd out struct we can use in the vec_validate
- */
-static const l2_emulation_t ezero = { };
-
-__clib_export void
-l2_emulation_enable (u32 sw_if_index)
-{
-  l2_emulation_main_t *em = &l2_emulation_main;
-  vec_validate_init_empty (em->l2_emulations, sw_if_index, ezero);
-
-  l2_emulation_t *l23e = &em->l2_emulations[sw_if_index];
-
-  l23e->enabled = 1;
-
-  /*
-   * L3 enable the interface - using IP unnumbered from the control
-   * plane may not be possible since there may be no BVI interface
-   * to which to unnumber
-   */
-  ip4_sw_interface_enable_disable (sw_if_index, 1);
-  ip6_sw_interface_enable_disable (sw_if_index, 1);
-
-  l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_L2_EMULATION, 1);
-}
-
-
-__clib_export void
-l2_emulation_disable (u32 sw_if_index)
-{
-  l2_emulation_main_t *em = &l2_emulation_main;
-  if (vec_len (em->l2_emulations) >= sw_if_index)
-    {
-      l2_emulation_t *l23e = &em->l2_emulations[sw_if_index];
-      clib_memset (l23e, 0, sizeof (*l23e));
-
-      l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_L2_EMULATION, 0);
-      ip4_sw_interface_enable_disable (sw_if_index, 0);
-      ip6_sw_interface_enable_disable (sw_if_index, 0);
-    }
-}
-
-static clib_error_t *
-l2_emulation_interface_add_del (vnet_main_t * vnm,
-				u32 sw_if_index, u32 is_add)
-{
-  l2_emulation_main_t *em = &l2_emulation_main;
-  if (is_add)
-    {
-      vec_validate_init_empty (em->l2_emulations, sw_if_index, ezero);
-    }
-
-  return (NULL);
-}
-
-VNET_SW_INTERFACE_ADD_DEL_FUNCTION (l2_emulation_interface_add_del);
-
-static clib_error_t *
-l2_emulation_cli (vlib_main_t * vm,
-		  unformat_input_t * input, vlib_cli_command_t * cmd)
-{
-  vnet_main_t *vnm = vnet_get_main ();
-  u32 sw_if_index = ~0;
-  u8 enable = 1;
-
-  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
-    {
-      if (unformat (input, "%U", unformat_vnet_sw_interface,
-		    vnm, &sw_if_index))
-	;
-      else if (unformat (input, "enable"))
-	enable = 1;
-      else if (unformat (input, "disable"))
-	enable = 0;
-      else
-	break;
-    }
-
-  if (~0 == sw_if_index)
-    return clib_error_return (0, "interface must be specified");
-
-  if (enable)
-    l2_emulation_enable (sw_if_index);
-  else
-    l2_emulation_disable (sw_if_index);
-
-  return (NULL);
-}
-
-/*?
- * Configure l2 emulation.
- *  When the interface is in L2 mode, configure the extraction of L3
- *  packets out of the L2 path and into the L3 path.
- *
- * @cliexpar
- * @cliexstart{set interface l2 input l2-emulation <interface-name> [disable]}
- * @cliexend
- ?*/
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (l2_emulation_cli_node, static) = {
-  .path = "set interface l2 l2-emulation",
-  .short_help =
-  "set interface l2 l2-emulation <interface-name> [disable|enable]\n",
-  .function = l2_emulation_cli,
-};
-/* *INDENT-ON* */
-
-static clib_error_t *
-l2_emulation_show (vlib_main_t * vm,
-		   unformat_input_t * input, vlib_cli_command_t * cmd)
-{
-  l2_emulation_main_t *em = &l2_emulation_main;
-  vnet_main_t *vnm = vnet_get_main ();
-  l2_emulation_t *l23e;
-  u32 sw_if_index;
-
-  vec_foreach_index (sw_if_index, em->l2_emulations)
-  {
-    l23e = &em->l2_emulations[sw_if_index];
-    if (l23e->enabled)
-      {
-	vlib_cli_output (vm, "%U\n",
-			 format_vnet_sw_if_index_name, vnm, sw_if_index);
-      }
-  }
-  return (NULL);
-}
-
-/*?
- * Show l2 emulation.
- *  When the interface is in L2 mode, configure the extraction of L3
- *  packets out of the L2 path and into the L3 path.
- *
- * @cliexpar
- * @cliexstart{show interface l2 l2-emulation}
- * @cliexend
- ?*/
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (l2_emulation_show_node, static) = {
-  .path = "show interface l2 l2-emulation",
-  .short_help = "show interface l2 l2-emulation\n",
-  .function = l2_emulation_show,
-};
-/* *INDENT-ON* */
-
-static clib_error_t *
-l2_emulation_init (vlib_main_t * vm)
-{
-  l2_emulation_main_t *em = &l2_emulation_main;
-  vlib_node_t *node;
-
-  node = vlib_get_node_by_name (vm, (u8 *) "l2-emulation");
-  em->l2_emulation_node_index = node->index;
-
-  /* Initialize the feature next-node indexes */
-  feat_bitmap_init_next_nodes (vm,
-			       em->l2_emulation_node_index,
-			       L2INPUT_N_FEAT,
-			       l2input_get_feat_names (),
-			       em->l2_input_feat_next);
-
-  return 0;
-}
-
-VLIB_INIT_FUNCTION (l2_emulation_init);
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
diff --git a/src/plugins/l2e/l2e.h b/src/plugins/l2e/l2e.h
deleted file mode 100644
index e548d333f9d..00000000000
--- a/src/plugins/l2e/l2e.h
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- * Copyright (c) 2013 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.
- */
-
-#ifndef included_vnet_l2_emulation_h
-#define included_vnet_l2_emulation_h
-
-#include <vlib/vlib.h>
-#include <vnet/vnet.h>
-
-/**
- * Per-interface L2 configuration
- */
-typedef struct l2_emulation_t_
-{
-  /**
-   * Enabled or Disabled.
-   *  this is required since one L3 protocl can be enabled, but others not
-   */
-  u8 enabled;
-} l2_emulation_t;
-
-/**
- * per-packet trace data
- */
-typedef struct l2_emulation_trace_t_
-{
-  /* per-pkt trace data */
-  u8 extracted;
-} l2_emulation_trace_t;
-
-/**
- * Grouping of global data for the L2 emulation feature
- */
-typedef struct l2_emulation_main_t_
-{
-  u16 msg_id_base;
-
-  u32 l2_emulation_node_index;
-
-  /**
-   * Per-interface vector of emulation configs
-   */
-  l2_emulation_t *l2_emulations;
-
-  /**
-   * Next nodes for L2 output features
-   */
-  u32 l2_input_feat_next[32];
-} l2_emulation_main_t;
-
-/**
- * L2 Emulation is a feautre that is applied to L2 ports to 'extract'
- * IP packets from the L2 path and inject them into the L3 path (i.e.
- * into the appropriate ip[4|6]_input node).
- * L3 routes in the table_id for that interface should then be configured
- * as DVR routes, therefore the forwarded packet has the L2 header
- * preserved and togehter the L3 routed system behaves like an L2 bridge.
- */
-extern void l2_emulation_enable (u32 sw_if_index);
-extern void l2_emulation_disable (u32 sw_if_index);
-
-extern l2_emulation_main_t l2_emulation_main;
-
-#endif
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
diff --git a/src/plugins/l2e/l2e_api.c b/src/plugins/l2e/l2e_api.c
deleted file mode 100644
index fe2fb7ee06e..00000000000
--- a/src/plugins/l2e/l2e_api.c
+++ /dev/null
@@ -1,89 +0,0 @@
-/*
- *------------------------------------------------------------------
- * l2e_api.c - layer 2 emulation api
- *
- * Copyright (c) 2016 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 <vnet/vnet.h>
-#include <vnet/plugin/plugin.h>
-
-#include <vnet/interface.h>
-#include <vnet/api_errno.h>
-#include <vpp/app/version.h>
-
-#include <l2e/l2e.h>
-
-#include <vlibapi/api.h>
-#include <vlibmemory/api.h>
-
-/* define message IDs */
-#include <l2e/l2e.api_enum.h>
-#include <l2e/l2e.api_types.h>
-
-#include <vlibapi/api_helper_macros.h>
-
-#define L2E_MSG_BASE l2em->msg_id_base
-
-static void
-vl_api_l2_emulation_t_handler (vl_api_l2_emulation_t * mp)
-{
-  l2_emulation_main_t *l2em = &l2_emulation_main;
-  vl_api_l2_emulation_reply_t *rmp;
-  int rv = 0;
-
-  VALIDATE_SW_IF_INDEX (mp);
-
-  u32 sw_if_index = ntohl (mp->sw_if_index);
-
-  if (mp->enable)
-    l2_emulation_enable (sw_if_index);
-  else
-    l2_emulation_disable (sw_if_index);
-
-  BAD_SW_IF_INDEX_LABEL;
-
-  REPLY_MACRO (VL_API_L2_EMULATION_REPLY + L2E_MSG_BASE);
-}
-
-#include <l2e/l2e.api.c>
-static clib_error_t *
-l2e_init (vlib_main_t * vm)
-{
-  l2_emulation_main_t *l2em = &l2_emulation_main;
-
-  /* Ask for a correctly-sized block of API message decode slots */
-  l2em->msg_id_base = setup_message_id_table ();
-
-  return (NULL);
-}
-
-VLIB_API_INIT_FUNCTION (l2e_init);
-
-/* *INDENT-OFF* */
-VLIB_PLUGIN_REGISTER () = {
-    .version = VPP_BUILD_VER,
-    .description = "Layer 2 (L2) Emulation",
-};
-/* *INDENT-ON* */
-
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
diff --git a/src/plugins/l2e/l2e_node.c b/src/plugins/l2e/l2e_node.c
deleted file mode 100644
index 71c9b4bc6af..00000000000
--- a/src/plugins/l2e/l2e_node.c
+++ /dev/null
@@ -1,283 +0,0 @@
-/*
- * l2e_node.c : l2 emulation node
- *
- * Copyright (c) 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 <plugins/l2e/l2e.h>
-#include <vnet/l2/l2_input.h>
-#include <vnet/l2/feat_bitmap.h>
-
-#define foreach_l2_emulation                    \
-  _(IP4, "Extract IPv4")                        \
-  _(IP6, "Extract IPv6")
-
-typedef enum
-{
-#define _(sym,str) L2_EMULATION_ERROR_##sym,
-  foreach_l2_emulation
-#undef _
-    L2_EMULATION_N_ERROR,
-} l2_emulation_error_t;
-
-static char *l2_emulation_error_strings[] = {
-#define _(sym,string) string,
-  foreach_l2_emulation
-#undef _
-};
-
-typedef enum
-{
-#define _(sym,str) L2_EMULATION_NEXT_##sym,
-  foreach_l2_emulation
-#undef _
-    L2_EMULATION_N_NEXT,
-} l2_emulation_next_t;
-
-/* packet trace format function */
-static u8 *
-format_l2_emulation_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 *);
-  l2_emulation_trace_t *t = va_arg (*args, l2_emulation_trace_t *);
-
-  s = format (s, "l2-emulation: %s", (t->extracted ? "yes" : "no"));
-
-  return s;
-}
-
-VLIB_NODE_FN (l2_emulation_node) (vlib_main_t * vm,
-				  vlib_node_runtime_t * node,
-				  vlib_frame_t * frame)
-{
-  l2_emulation_main_t *em = &l2_emulation_main;
-  u32 n_left_from, *from, *to_next;
-  l2_emulation_next_t next_index;
-  u32 ip4_hits = 0;
-  u32 ip6_hits = 0;
-
-  next_index = 0;
-  n_left_from = frame->n_vectors;
-  from = vlib_frame_vector_args (frame);
-
-  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)
-	{
-	  vlib_buffer_t *b0, *b1;
-	  u32 sw_if_index0, sw_if_index1;
-	  u16 ether_type0, ether_type1;
-	  u32 next0 = ~0, next1 = ~0;
-	  u8 l2_len0, l2_len1;
-	  u32 bi0, bi1;
-	  u8 *h0, *h1;
-
-	  bi0 = to_next[0] = from[0];
-	  bi1 = to_next[1] = from[1];
-
-	  from += 2;
-	  n_left_from -= 2;
-	  to_next += 2;
-	  n_left_to_next -= 2;
-
-	  b0 = vlib_get_buffer (vm, bi0);
-	  b1 = vlib_get_buffer (vm, bi1);
-	  l2_len0 = vnet_buffer (b0)->l2.l2_len;
-	  l2_len1 = vnet_buffer (b1)->l2.l2_len;
-
-	  h0 = vlib_buffer_get_current (b0);
-	  h1 = vlib_buffer_get_current (b1);
-
-	  ether_type0 = clib_net_to_host_u16 (*(u16 *) (h0 + l2_len0 - 2));
-	  ether_type1 = clib_net_to_host_u16 (*(u16 *) (h1 + l2_len1 - 2));
-	  sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
-	  sw_if_index1 = vnet_buffer (b1)->sw_if_index[VLIB_RX];
-
-	  /*
-	   * only extract unicast
-	   */
-	  if (PREDICT_TRUE (!(h0[0] & 0x1)))
-	    {
-	      switch (ether_type0)
-		{
-		case ETHERNET_TYPE_IP4:
-		  ASSERT (em->l2_emulations[sw_if_index0].enabled);
-		  ++ip4_hits;
-		  next0 = L2_EMULATION_NEXT_IP4;
-		  vlib_buffer_advance (b0, l2_len0);
-		  break;
-		case ETHERNET_TYPE_IP6:
-		  ASSERT (em->l2_emulations[sw_if_index0].enabled);
-		  ++ip6_hits;
-		  next0 = L2_EMULATION_NEXT_IP6;
-		  vlib_buffer_advance (b0, l2_len0);
-		default:
-		  break;
-		}
-	    }
-	  if (PREDICT_TRUE (!(h1[0] & 0x1)))
-	    {
-	      switch (ether_type1)
-		{
-		case ETHERNET_TYPE_IP4:
-		  ASSERT (em->l2_emulations[sw_if_index1].enabled);
-		  ++ip4_hits;
-		  next1 = L2_EMULATION_NEXT_IP4;
-		  vlib_buffer_advance (b1, l2_len1);
-		  break;
-		case ETHERNET_TYPE_IP6:
-		  ASSERT (em->l2_emulations[sw_if_index1].enabled);
-		  ++ip6_hits;
-		  next1 = L2_EMULATION_NEXT_IP6;
-		  vlib_buffer_advance (b1, l2_len1);
-		default:
-		  break;
-		}
-	    }
-	  if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
-			     && (b0->flags & VLIB_BUFFER_IS_TRACED)))
-	    {
-	      l2_emulation_trace_t *t =
-		vlib_add_trace (vm, node, b0, sizeof (*t));
-	      t->extracted = (next0 != ~0);
-	    }
-	  if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
-			     && (b1->flags & VLIB_BUFFER_IS_TRACED)))
-	    {
-	      l2_emulation_trace_t *t =
-		vlib_add_trace (vm, node, b1, sizeof (*t));
-	      t->extracted = (next1 != ~0);
-	    }
-
-	  /* Determine the next node and remove ourself from bitmap */
-	  if (PREDICT_TRUE (next0 == ~0))
-	    next0 = vnet_l2_feature_next (b0, em->l2_input_feat_next,
-					  L2INPUT_FEAT_L2_EMULATION);
-
-	  /* Determine the next node and remove ourself from bitmap */
-	  if (PREDICT_TRUE (next1 == ~0))
-	    next1 = vnet_l2_feature_next (b1, em->l2_input_feat_next,
-					  L2INPUT_FEAT_L2_EMULATION);
-
-	  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)
-	{
-	  vlib_buffer_t *b0;
-	  u32 sw_if_index0;
-	  u16 ether_type0;
-	  u32 next0 = ~0;
-	  u8 l2_len0;
-	  u32 bi0;
-	  u8 *h0;
-
-	  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);
-	  l2_len0 = vnet_buffer (b0)->l2.l2_len;
-
-	  h0 = vlib_buffer_get_current (b0);
-	  ether_type0 = clib_net_to_host_u16 (*(u16 *) (h0 + l2_len0 - 2));
-	  sw_if_index0 = vnet_buffer (b0)->sw_if_index[VLIB_RX];
-
-	  /*
-	   * only extract unicast
-	   */
-	  if (PREDICT_TRUE (!(h0[0] & 0x1)))
-	    {
-	      switch (ether_type0)
-		{
-		case ETHERNET_TYPE_IP4:
-		  ASSERT (em->l2_emulations[sw_if_index0].enabled);
-		  ++ip4_hits;
-		  next0 = L2_EMULATION_NEXT_IP4;
-		  vlib_buffer_advance (b0, l2_len0);
-		  break;
-		case ETHERNET_TYPE_IP6:
-		  ASSERT (em->l2_emulations[sw_if_index0].enabled);
-		  ++ip6_hits;
-		  next0 = L2_EMULATION_NEXT_IP6;
-		  vlib_buffer_advance (b0, l2_len0);
-		default:
-		  break;
-		}
-	    }
-
-	  if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE)
-			     && (b0->flags & VLIB_BUFFER_IS_TRACED)))
-	    {
-	      l2_emulation_trace_t *t =
-		vlib_add_trace (vm, node, b0, sizeof (*t));
-	      t->extracted = (next0 != ~0);
-	    }
-
-	  /* Determine the next node and remove ourself from bitmap */
-	  if (PREDICT_TRUE (next0 == ~0))
-	    next0 = vnet_l2_feature_next (b0, em->l2_input_feat_next,
-					  L2INPUT_FEAT_L2_EMULATION);
-
-	  /* verify speculative enqueue, maybe switch current next frame */
-	  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_node_increment_counter (vm, node->node_index,
-			       L2_EMULATION_ERROR_IP4, ip4_hits);
-  vlib_node_increment_counter (vm, node->node_index,
-			       L2_EMULATION_ERROR_IP6, ip6_hits);
-
-  return frame->n_vectors;
-}
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (l2_emulation_node) = {
-  .name = "l2-emulation",
-  .vector_size = sizeof (u32),
-  .format_trace = format_l2_emulation_trace,
-  .type = VLIB_NODE_TYPE_INTERNAL,
-
-  .n_errors = ARRAY_LEN(l2_emulation_error_strings),
-  .error_strings = l2_emulation_error_strings,
-
-  .n_next_nodes = L2_EMULATION_N_NEXT,
-
-  /* edit / add dispositions here */
-  .next_nodes = {
-    [L2_EMULATION_NEXT_IP4] = "ip4-input",
-    [L2_EMULATION_NEXT_IP6] = "ip6-input",
-  },
-};
-/* *INDENT-ON* */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */