misc: Move l2tp to plugin

Type: refactor

Change-Id: Ifb36eeb146b87e9e305881429d32d6879e955e1e
Signed-off-by: Neale Ranns <nranns@cisco.com>

11 files changed, 0 insertions, 2018 deletions

diff --git a/src/vnet/CMakeLists.txt b/src/vnet/CMakeLists.txt
index 8c315ce5d73..579302c4687 100644
--- a/src/vnet/CMakeLists.txt
+++ b/src/vnet/CMakeLists.txt
@@ -762,29 +762,6 @@ list(APPEND VNET_HEADERS
 )
 
 ##############################################################################
-# Tunnel protocol: l2tpv3
-##############################################################################
-list(APPEND VNET_SOURCES
-  l2tp/l2tp.c
-  l2tp/encap.c
-  l2tp/decap.c
-  l2tp/pg.c
-  l2tp/l2tp_api.c
-)
-
-list(APPEND VNET_MULTIARCH_SOURCES
-  l2tp/encap.c
-  l2tp/decap.c
-)
-
-list(APPEND VNET_HEADERS
-  l2tp/l2tp.h
-  l2tp/packet.h
-)
-
-list(APPEND VNET_API_FILES l2tp/l2tp.api)
-
-##############################################################################
 # Tunnel protocol: gre+mpls
 ##############################################################################
 list(APPEND VNET_SOURCES
diff --git a/src/vnet/l2tp/FEATURE.yaml b/src/vnet/l2tp/FEATURE.yaml
deleted file mode 100644
index 58df9b2215e..00000000000
--- a/src/vnet/l2tp/FEATURE.yaml
+++ /dev/null
@@ -1,8 +0,0 @@
----
-name: L2TPv3
-maintainer: unmaintained
-features:
-  - L2TPv3 over IPv6
-description: "An initial and incomplete implementation of L2TPv3 (RFC3931)."
-state: experimental
-properties: [API, CLI]
diff --git a/src/vnet/l2tp/decap.c b/src/vnet/l2tp/decap.c
deleted file mode 100644
index 787cc115a7e..00000000000
--- a/src/vnet/l2tp/decap.c
+++ /dev/null
@@ -1,301 +0,0 @@
-/*
- * decap.c : L2TPv3 tunnel decapsulation
- *
- * 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 <vppinfra/error.h>
-#include <vppinfra/hash.h>
-#include <vnet/vnet.h>
-#include <vnet/ip/ip.h>
-#include <vnet/ethernet/ethernet.h>
-#include <vnet/l2tp/l2tp.h>
-#include <vnet/l2/l2_input.h>
-
-/* Statistics (not really errors) */
-#define foreach_l2t_decap_error                                 \
-_(USER_TO_NETWORK, "L2TP user (ip6) to L2 network pkts")        \
-_(SESSION_ID_MISMATCH, "l2tpv3 local session id mismatches")    \
-_(COOKIE_MISMATCH, "l2tpv3 local cookie mismatches")            \
-_(NO_SESSION, "l2tpv3 session not found")                       \
-_(ADMIN_DOWN, "l2tpv3 tunnel is down")
-
-static char *l2t_decap_error_strings[] = {
-#define _(sym,string) string,
-  foreach_l2t_decap_error
-#undef _
-};
-
-typedef enum
-{
-#define _(sym,str) L2T_DECAP_ERROR_##sym,
-  foreach_l2t_decap_error
-#undef _
-    L2T_DECAP_N_ERROR,
-} l2t_DECAP_error_t;
-
-typedef enum
-{
-  L2T_DECAP_NEXT_DROP,
-  L2T_DECAP_NEXT_L2_INPUT,
-  L2T_DECAP_N_NEXT,
-  /* Pseudo next index */
-  L2T_DECAP_NEXT_NO_INTERCEPT = L2T_DECAP_N_NEXT,
-} l2t_decap_next_t;
-
-#define NSTAGES 3
-
-static inline void
-stage0 (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_buffer_t * b)
-{
-  vlib_prefetch_buffer_header (b, STORE);
-  /* l2tpv3 header is a long way away, need 2 cache lines */
-  CLIB_PREFETCH (b->data, 2 * CLIB_CACHE_LINE_BYTES, STORE);
-}
-
-static inline void
-stage1 (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_buffer_t * b)
-{
-  l2t_main_t *lm = &l2t_main;
-  ip6_header_t *ip6 = vlib_buffer_get_current (b);
-  u32 session_index;
-  uword *p = 0;
-  l2tpv3_header_t *l2t;
-
-  /* Not L2tpv3 (0x73, 0t115)? Use the normal path. */
-  if (PREDICT_FALSE (ip6->protocol != IP_PROTOCOL_L2TP))
-    {
-      vnet_buffer (b)->l2t.next_index = L2T_DECAP_NEXT_NO_INTERCEPT;
-      return;
-    }
-
-  /* Make up your minds, people... */
-  switch (lm->lookup_type)
-    {
-    case L2T_LOOKUP_SRC_ADDRESS:
-      p = hash_get_mem (lm->session_by_src_address, &ip6->src_address);
-      break;
-    case L2T_LOOKUP_DST_ADDRESS:
-      p = hash_get_mem (lm->session_by_dst_address, &ip6->dst_address);
-      break;
-    case L2T_LOOKUP_SESSION_ID:
-      l2t = (l2tpv3_header_t *) (ip6 + 1);
-      p = hash_get (lm->session_by_session_id, l2t->session_id);
-      break;
-    default:
-      ASSERT (0);
-    }
-
-  if (PREDICT_FALSE (p == 0))
-    {
-      vnet_buffer (b)->l2t.next_index = L2T_DECAP_NEXT_NO_INTERCEPT;
-      return;
-    }
-  else
-    {
-      session_index = p[0];
-    }
-
-  /* Remember mapping index, prefetch the mini counter */
-  vnet_buffer (b)->l2t.next_index = L2T_DECAP_NEXT_L2_INPUT;
-  vnet_buffer (b)->l2t.session_index = session_index;
-
-  /* $$$$$ prefetch counter */
-}
-
-static inline u32
-last_stage (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_buffer_t * b)
-{
-  l2t_main_t *lm = &l2t_main;
-  ip6_header_t *ip6 = vlib_buffer_get_current (b);
-  vlib_node_t *n = vlib_get_node (vm, node->node_index);
-  u32 node_counter_base_index = n->error_heap_index;
-  vlib_error_main_t *em = &vm->error_main;
-  l2tpv3_header_t *l2tp;
-  u32 counter_index;
-  l2t_session_t *session = 0;
-  u32 session_index;
-  u32 next_index;
-  u8 l2tp_decap_local = (l2t_decap_local_node.index == n->index);
-
-  /* Other-than-output pkt? We're done... */
-  if (vnet_buffer (b)->l2t.next_index != L2T_DECAP_NEXT_L2_INPUT)
-    {
-      next_index = vnet_buffer (b)->l2t.next_index;
-      goto done;
-    }
-
-  em->counters[node_counter_base_index + L2T_DECAP_ERROR_USER_TO_NETWORK] +=
-    1;
-
-  session_index = vnet_buffer (b)->l2t.session_index;
-
-  counter_index =
-    session_index_to_counter_index (session_index,
-				    SESSION_COUNTER_USER_TO_NETWORK);
-
-  /* per-mapping byte stats include the ethernet header */
-  vlib_increment_combined_counter (&lm->counter_main,
-				   vlib_get_thread_index (),
-				   counter_index, 1 /* packet_increment */ ,
-				   vlib_buffer_length_in_chain (vm, b) +
-				   sizeof (ethernet_header_t));
-
-  session = pool_elt_at_index (lm->sessions, session_index);
-
-  l2tp = vlib_buffer_get_current (b) + sizeof (*ip6);
-
-  if (PREDICT_FALSE (l2tp->session_id != session->local_session_id))
-    {
-      /* Key matched but session id does not. Assume packet is not for us. */
-      em->counters[node_counter_base_index +
-		   L2T_DECAP_ERROR_SESSION_ID_MISMATCH] += 1;
-      next_index = L2T_DECAP_NEXT_NO_INTERCEPT;
-      goto done;
-    }
-
-  if (PREDICT_FALSE (l2tp->cookie != session->local_cookie[0]))
-    {
-      if (l2tp->cookie != session->local_cookie[1])
-	{
-	  /* Key and session ID matched, but cookie doesn't. Drop this packet. */
-	  b->error = node->errors[L2T_DECAP_ERROR_COOKIE_MISMATCH];
-	  next_index = L2T_DECAP_NEXT_DROP;
-	  goto done;
-	}
-    }
-
-  vnet_buffer (b)->sw_if_index[VLIB_RX] = session->sw_if_index;
-
-  if (PREDICT_FALSE (!(session->admin_up)))
-    {
-      b->error = node->errors[L2T_DECAP_ERROR_ADMIN_DOWN];
-      next_index = L2T_DECAP_NEXT_DROP;
-      goto done;
-    }
-
-  /* strip the ip6 and L2TP header */
-  vlib_buffer_advance (b, sizeof (*ip6) + session->l2tp_hdr_size);
-
-  /* Required to make the l2 tag push / pop code work on l2 subifs */
-  vnet_update_l2_len (b);
-
-  if (PREDICT_FALSE (b->flags & VLIB_BUFFER_IS_TRACED))
-    {
-      l2t_trace_t *t = vlib_add_trace (vm, node, b, sizeof (*t));
-      t->is_user_to_network = 1;
-      t->our_address.as_u64[0] = ip6->dst_address.as_u64[0];
-      t->our_address.as_u64[1] = ip6->dst_address.as_u64[1];
-      t->client_address.as_u64[0] = ip6->src_address.as_u64[0];
-      t->client_address.as_u64[1] = ip6->src_address.as_u64[1];
-      t->session_index = session_index;
-    }
-
-  return L2T_DECAP_NEXT_L2_INPUT;
-
-done:
-  if (next_index == L2T_DECAP_NEXT_NO_INTERCEPT)
-    {
-      /* Small behavioral change between l2tp-decap and l2tp-decap-local */
-      if (l2tp_decap_local)
-	{
-	  b->error = node->errors[L2T_DECAP_ERROR_NO_SESSION];
-	  next_index = L2T_DECAP_NEXT_DROP;
-	}
-      else
-	{
-	  /* Go to next node on the ip6 configuration chain */
-	  if (PREDICT_TRUE (session != 0))
-	    vnet_feature_next (&next_index, b);
-	}
-    }
-
-  if (PREDICT_FALSE (b->flags & VLIB_BUFFER_IS_TRACED))
-    {
-      l2t_trace_t *t = vlib_add_trace (vm, node, b, sizeof (*t));
-      t->is_user_to_network = 1;
-      t->our_address.as_u64[0] = ip6->dst_address.as_u64[0];
-      t->our_address.as_u64[1] = ip6->dst_address.as_u64[1];
-      t->client_address.as_u64[0] = ip6->src_address.as_u64[0];
-      t->client_address.as_u64[1] = ip6->src_address.as_u64[1];
-      t->session_index = ~0;
-    }
-  return next_index;
-}
-
-#include <vnet/pipeline.h>
-
-VLIB_NODE_FN (l2t_decap_node) (vlib_main_t * vm,
-			       vlib_node_runtime_t * node,
-			       vlib_frame_t * frame)
-{
-  return dispatch_pipeline (vm, node, frame);
-}
-
-/*
- * l2tp-decap and l2tp-decap-local have very slightly different behavior.
- * When a packet has no associated session l2tp-decap let it go to ip6 forward,
- * while l2tp-decap-local drops it.
- */
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (l2t_decap_node) = {
-  .name = "l2tp-decap",
-  .vector_size = sizeof (u32),
-  .format_trace = format_l2t_trace,
-  .type = VLIB_NODE_TYPE_INTERNAL,
-
-  .n_errors = ARRAY_LEN(l2t_decap_error_strings),
-  .error_strings = l2t_decap_error_strings,
-
-  .n_next_nodes = L2T_DECAP_N_NEXT,
-
-  /* edit / add dispositions here */
-  .next_nodes = {
-        [L2T_DECAP_NEXT_L2_INPUT] = "l2-input",
-        [L2T_DECAP_NEXT_DROP] = "error-drop",
-  },
-};
-/* *INDENT-ON* */
-
-extern vlib_node_function_t l2t_decap_node_fn;
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (l2t_decap_local_node) = {
-  .function = l2t_decap_node_fn,
-  .name = "l2tp-decap-local",
-  .vector_size = sizeof (u32),
-  .format_trace = format_l2t_trace,
-  .type = VLIB_NODE_TYPE_INTERNAL,
-
-  .n_errors = ARRAY_LEN(l2t_decap_error_strings),
-  .error_strings = l2t_decap_error_strings,
-
-  .n_next_nodes = L2T_DECAP_N_NEXT,
-
-  /* edit / add dispositions here */
-  .next_nodes = {
-    [L2T_DECAP_NEXT_L2_INPUT] = "l2-input",
-    [L2T_DECAP_NEXT_DROP] = "error-drop",
-  },
-};
-/* *INDENT-ON* */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
diff --git a/src/vnet/l2tp/encap.c b/src/vnet/l2tp/encap.c
deleted file mode 100644
index 8863ddfa20d..00000000000
--- a/src/vnet/l2tp/encap.c
+++ /dev/null
@@ -1,235 +0,0 @@
-/*
- * encap.c : L2TPv3 tunnel encapsulation
- *
- * 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 <vppinfra/error.h>
-#include <vppinfra/hash.h>
-#include <vnet/vnet.h>
-#include <vnet/ip/ip.h>
-#include <vnet/ethernet/ethernet.h>
-#include <vnet/l2tp/l2tp.h>
-
-/* Statistics (not really errors) */
-#define foreach_l2t_encap_error					\
-_(NETWORK_TO_USER, "L2TP L2 network to user (ip6) pkts")	\
-_(LOOKUP_FAIL_TO_L3, "L2TP L2 session lookup failed pkts")      \
-_(ADMIN_DOWN, "L2TP tunnel is down")
-
-static char *l2t_encap_error_strings[] = {
-#define _(sym,string) string,
-  foreach_l2t_encap_error
-#undef _
-};
-
-typedef enum
-{
-#define _(sym,str) L2T_ENCAP_ERROR_##sym,
-  foreach_l2t_encap_error
-#undef _
-    L2T_ENCAP_N_ERROR,
-} l2t_encap_error_t;
-
-
-typedef enum
-{
-  L2T_ENCAP_NEXT_DROP,
-  L2T_ENCAP_NEXT_IP6_LOOKUP,
-  L2T_ENCAP_N_NEXT,
-} l2t_encap_next_t;
-
-typedef struct
-{
-  u32 cached_session_index;
-  u32 cached_sw_if_index;
-  vnet_main_t *vnet_main;
-} l2tp_encap_runtime_t;
-
-extern vlib_node_registration_t l2t_encap_node;
-
-#define NSTAGES 3
-
-static inline void
-stage0 (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_buffer_t * b)
-{
-  vlib_prefetch_buffer_header (b, STORE);
-  CLIB_PREFETCH (b->data, 2 * CLIB_CACHE_LINE_BYTES, STORE);
-}
-
-static inline void
-stage1 (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_buffer_t * b)
-{
-  l2tp_encap_runtime_t *rt = (void *) node->runtime_data;
-  vnet_hw_interface_t *hi;
-
-  u32 sw_if_index = vnet_buffer (b)->sw_if_index[VLIB_TX];
-  u32 session_index = rt->cached_session_index;
-
-  if (PREDICT_FALSE (rt->cached_sw_if_index != sw_if_index))
-    {
-      hi = vnet_get_sup_hw_interface (rt->vnet_main, sw_if_index);
-      session_index = rt->cached_session_index = hi->dev_instance;
-      rt->cached_sw_if_index = sw_if_index;
-    }
-
-  /* Remember mapping index, prefetch the mini counter */
-  vnet_buffer (b)->l2t.next_index = L2T_ENCAP_NEXT_IP6_LOOKUP;
-  vnet_buffer (b)->l2t.session_index = session_index;
-
-  /* $$$$ prefetch counter... */
-}
-
-static inline u32
-last_stage (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_buffer_t * b)
-{
-  l2t_main_t *lm = &l2t_main;
-  vlib_node_t *n = vlib_get_node (vm, l2t_encap_node.index);
-  u32 node_counter_base_index = n->error_heap_index;
-  vlib_error_main_t *em = &vm->error_main;
-  l2tpv3_header_t *l2tp;
-  u32 session_index;
-  u32 counter_index;
-  l2t_session_t *s;
-  ip6_header_t *ip6;
-  u16 payload_length;
-  u32 next_index = L2T_ENCAP_NEXT_IP6_LOOKUP;
-
-  /* Other-than-output pkt? We're done... */
-  if (vnet_buffer (b)->l2t.next_index != L2T_ENCAP_NEXT_IP6_LOOKUP)
-    return vnet_buffer (b)->l2t.next_index;
-
-  em->counters[node_counter_base_index + L2T_ENCAP_ERROR_NETWORK_TO_USER] +=
-    1;
-
-  session_index = vnet_buffer (b)->l2t.session_index;
-
-  counter_index =
-    session_index_to_counter_index (session_index,
-				    SESSION_COUNTER_NETWORK_TO_USER);
-
-  /* per-mapping byte stats include the ethernet header */
-  vlib_increment_combined_counter (&lm->counter_main,
-				   vlib_get_thread_index (),
-				   counter_index, 1 /* packet_increment */ ,
-				   vlib_buffer_length_in_chain (vm, b));
-
-  s = pool_elt_at_index (lm->sessions, session_index);
-
-  vnet_buffer (b)->sw_if_index[VLIB_TX] = s->encap_fib_index;
-
-  /* Paint on an l2tpv3 hdr */
-  vlib_buffer_advance (b, -(s->l2tp_hdr_size));
-  l2tp = vlib_buffer_get_current (b);
-
-  l2tp->session_id = s->remote_session_id;
-  l2tp->cookie = s->remote_cookie;
-  if (PREDICT_FALSE (s->l2_sublayer_present))
-    {
-      l2tp->l2_specific_sublayer = 0;
-    }
-
-  /* Paint on an ip6 header */
-  vlib_buffer_advance (b, -(sizeof (*ip6)));
-  ip6 = vlib_buffer_get_current (b);
-
-  if (PREDICT_FALSE (!(s->admin_up)))
-    {
-      b->error = node->errors[L2T_ENCAP_ERROR_ADMIN_DOWN];
-      next_index = L2T_ENCAP_NEXT_DROP;
-      goto done;
-    }
-
-  ip6->ip_version_traffic_class_and_flow_label =
-    clib_host_to_net_u32 (0x6 << 28);
-
-  /* calculate ip6 payload length */
-  payload_length = vlib_buffer_length_in_chain (vm, b);
-  payload_length -= sizeof (*ip6);
-
-  ip6->payload_length = clib_host_to_net_u16 (payload_length);
-  ip6->protocol = IP_PROTOCOL_L2TP;
-  ip6->hop_limit = 0xff;
-  ip6->src_address.as_u64[0] = s->our_address.as_u64[0];
-  ip6->src_address.as_u64[1] = s->our_address.as_u64[1];
-  ip6->dst_address.as_u64[0] = s->client_address.as_u64[0];
-  ip6->dst_address.as_u64[1] = s->client_address.as_u64[1];
-
-
-done:
-  if (PREDICT_FALSE (b->flags & VLIB_BUFFER_IS_TRACED))
-    {
-      l2t_trace_t *t = vlib_add_trace (vm, node, b, sizeof (*t));
-      t->is_user_to_network = 0;
-      t->our_address.as_u64[0] = ip6->src_address.as_u64[0];
-      t->our_address.as_u64[1] = ip6->src_address.as_u64[1];
-      t->client_address.as_u64[0] = ip6->dst_address.as_u64[0];
-      t->client_address.as_u64[1] = ip6->dst_address.as_u64[1];
-      t->session_index = session_index;
-    }
-
-  return next_index;
-}
-
-#include <vnet/pipeline.h>
-
-VLIB_NODE_FN (l2t_encap_node) (vlib_main_t * vm,
-			       vlib_node_runtime_t * node,
-			       vlib_frame_t * frame)
-{
-  return dispatch_pipeline (vm, node, frame);
-}
-
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (l2t_encap_node) = {
-  .name = "l2tp-encap",
-  .vector_size = sizeof (u32),
-  .format_trace = format_l2t_trace,
-  .type = VLIB_NODE_TYPE_INTERNAL,
-  .runtime_data_bytes = sizeof (l2tp_encap_runtime_t),
-
-  .n_errors = ARRAY_LEN(l2t_encap_error_strings),
-  .error_strings = l2t_encap_error_strings,
-
-  .n_next_nodes = L2T_ENCAP_N_NEXT,
-
-  /*  add dispositions here */
-  .next_nodes = {
-    [L2T_ENCAP_NEXT_IP6_LOOKUP] = "ip6-lookup",
-    [L2T_ENCAP_NEXT_DROP] = "error-drop",
-  },
-};
-/* *INDENT-ON* */
-
-#ifndef CLIB_MARCH_VARIANT
-void
-l2tp_encap_init (vlib_main_t * vm)
-{
-  l2tp_encap_runtime_t *rt;
-
-  rt = vlib_node_get_runtime_data (vm, l2t_encap_node.index);
-  rt->vnet_main = vnet_get_main ();
-  rt->cached_sw_if_index = (u32) ~ 0;
-  rt->cached_session_index = (u32) ~ 0;
-}
-#endif /* CLIB_MARCH_VARIANT */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
diff --git a/src/vnet/l2tp/l2tp.api b/src/vnet/l2tp/l2tp.api
deleted file mode 100644
index 618c4122fd6..00000000000
--- a/src/vnet/l2tp/l2tp.api
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * Copyright (c) 2015-2016 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 = "2.0.0";
-
-import "vnet/interface_types.api";
-import "vnet/ethernet/ethernet_types.api";
-import "vnet/ip/ip_types.api";
-
-/** \brief l2tpv3 tunnel interface create request
-    @param client_index - opaque cookie to identify the sender
-    @param context - sender context, to match reply w/ request
-    @param client_address - remote client tunnel ip address
-    @param client_address - local tunnel ip address
-    @param is_ipv6 - ipv6 if non-zero, else ipv4
-    @param local_session_id - local tunnel session id
-    @param remote_session_id - remote tunnel session id
-    @param local_cookie - local tunnel cookie
-    @param l2_sublayer_present - l2 sublayer is present in packets if non-zero
-    @param encap_vrf_id - fib identifier used for outgoing encapsulated packets
-*/
-define l2tpv3_create_tunnel
-{
-  u32 client_index;
-  u32 context;
-  vl_api_address_t client_address;
-  vl_api_address_t our_address;
-  u32 local_session_id;
-  u32 remote_session_id;
-  u64 local_cookie;
-  u64 remote_cookie;
-  bool l2_sublayer_present;
-  u32 encap_vrf_id;
-};
-
-/** \brief l2tpv3 tunnel interface create response
-    @param context - sender context, to match reply w/ request
-    @param retval - return code for the request
-    @param sw_if_index - index of the new tunnel interface
-*/
-define l2tpv3_create_tunnel_reply
-{
-  u32 context;
-  i32 retval;
-  vl_api_interface_index_t sw_if_index;
-};
-
-autoreply define l2tpv3_set_tunnel_cookies
-{
-  u32 client_index;
-  u32 context;
-  vl_api_interface_index_t sw_if_index;
-  u64 new_local_cookie;
-  u64 new_remote_cookie;
-};
-
-define sw_if_l2tpv3_tunnel_details
-{
-  u32 context;
-  vl_api_interface_index_t sw_if_index;
-  string interface_name[64];
-  vl_api_address_t client_address;
-  vl_api_address_t our_address;
-  u32 local_session_id;
-  u32 remote_session_id;
-  u64 local_cookie[2];
-  u64 remote_cookie;
-  bool l2_sublayer_present;
-};
-
-define sw_if_l2tpv3_tunnel_dump
-{
-  u32 client_index;
-  u32 context;
-};
-
-autoreply define l2tpv3_interface_enable_disable
-{
-  u32 client_index;
-  u32 context;
-  bool enable_disable;
-  vl_api_interface_index_t sw_if_index;
-};
-
-enum l2t_lookup_key : u8
-{
-	L2T_LOOKUP_KEY_API_SRC_ADDR = 0,
-	L2T_LOOKUP_KEY_API_DST_ADDR = 1,
-	L2T_LOOKUP_KEY_API_SESSION_ID = 2,
-};
-
-autoreply define l2tpv3_set_lookup_key
-{
-  u32 client_index;
-  u32 context;
-  vl_api_l2t_lookup_key_t key;
-};
-
-/*
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
diff --git a/src/vnet/l2tp/l2tp.c b/src/vnet/l2tp/l2tp.c
deleted file mode 100644
index fa112ee7986..00000000000
--- a/src/vnet/l2tp/l2tp.c
+++ /dev/null
@@ -1,764 +0,0 @@
-/*
- * l2tp.c : L2TPv3 tunnel support
- *
- * 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 <vppinfra/error.h>
-#include <vppinfra/hash.h>
-#include <vnet/vnet.h>
-#include <vnet/ip/ip.h>
-#include <vnet/l2/l2_input.h>
-#include <vnet/ethernet/ethernet.h>
-#include <vnet/l2tp/l2tp.h>
-
-l2t_main_t l2t_main;
-
-/* packet trace format function */
-u8 *
-format_l2t_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 *);
-  l2t_trace_t *t = va_arg (*args, l2t_trace_t *);
-
-  if (t->is_user_to_network)
-    s = format (s, "L2T: %U (client) -> %U (our) session %d",
-		format_ip6_address, &t->client_address,
-		format_ip6_address, &t->our_address, t->session_index);
-  else
-    s = format (s, "L2T: %U (our) -> %U (client) session %d)",
-		format_ip6_address, &t->our_address,
-		format_ip6_address, &t->client_address, t->session_index);
-  return s;
-}
-
-u8 *
-format_l2t_session (u8 * s, va_list * args)
-{
-  l2t_session_t *session = va_arg (*args, l2t_session_t *);
-  l2t_main_t *lm = &l2t_main;
-  u32 counter_index;
-  vlib_counter_t v;
-
-  s = format (s, "[%d] %U (our) %U (client) %U (sw_if_index %d)\n",
-	      session - lm->sessions,
-	      format_ip6_address, &session->our_address,
-	      format_ip6_address, &session->client_address,
-	      format_vnet_sw_interface_name, lm->vnet_main,
-	      vnet_get_sw_interface (lm->vnet_main, session->sw_if_index),
-	      session->sw_if_index);
-
-  s = format (s, "   local cookies %016llx %016llx remote cookie %016llx\n",
-	      clib_net_to_host_u64 (session->local_cookie[0]),
-	      clib_net_to_host_u64 (session->local_cookie[1]),
-	      clib_net_to_host_u64 (session->remote_cookie));
-
-  s = format (s, "   local session-id %d remote session-id %d\n",
-	      clib_net_to_host_u32 (session->local_session_id),
-	      clib_net_to_host_u32 (session->remote_session_id));
-
-  s = format (s, "   l2 specific sublayer %s\n",
-	      session->l2_sublayer_present ? "preset" : "absent");
-
-  counter_index =
-    session_index_to_counter_index (session - lm->sessions,
-				    SESSION_COUNTER_USER_TO_NETWORK);
-
-  vlib_get_combined_counter (&lm->counter_main, counter_index, &v);
-  if (v.packets != 0)
-    s = format (s, "   user-to-net: %llu pkts %llu bytes\n",
-		v.packets, v.bytes);
-
-  vlib_get_combined_counter (&lm->counter_main, counter_index + 1, &v);
-
-  if (v.packets != 0)
-    s = format (s, "   net-to-user: %llu pkts %llu bytes\n",
-		v.packets, v.bytes);
-  return s;
-}
-
-static clib_error_t *
-show_l2tp_command_fn (vlib_main_t * vm,
-		      unformat_input_t * input, vlib_cli_command_t * cmd)
-{
-  l2t_session_t *session;
-  l2t_main_t *lm = &l2t_main;
-  char *keystr = 0;
-  int verbose = 0;
-
-  if (unformat (input, "verbose") || unformat (input, "v"))
-    verbose = 1;
-
-  if (pool_elts (lm->sessions) == 0)
-    vlib_cli_output (vm, "No l2tp sessions...");
-  else
-    vlib_cli_output (vm, "%u l2tp sessions...", pool_elts (lm->sessions));
-
-  if (verbose)
-    {
-      switch (lm->lookup_type)
-	{
-	case L2T_LOOKUP_SRC_ADDRESS:
-	  keystr = "src address";
-	  break;
-
-	case L2T_LOOKUP_DST_ADDRESS:
-	  keystr = "dst address";
-	  break;
-
-	case L2T_LOOKUP_SESSION_ID:
-	  keystr = "session id";
-	  break;
-
-	default:
-	  keystr = "BOGUS!";
-	  break;
-	}
-
-      vlib_cli_output (vm, "L2tp session lookup on %s", keystr);
-
-      /* *INDENT-OFF* */
-      pool_foreach (session, lm->sessions,
-      ({
-        vlib_cli_output (vm, "%U", format_l2t_session, session);
-      }));
-      /* *INDENT-ON* */
-    }
-
-  return 0;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (show_session_detail_command, static) = {
-  .path = "show l2tpv3",
-  .short_help = "show l2tpv3 [verbose]",
-  .function = show_l2tp_command_fn,
-};
-/* *INDENT-ON* */
-
-static clib_error_t *
-test_counters_command_fn (vlib_main_t * vm,
-			  unformat_input_t * input, vlib_cli_command_t * cmd)
-{
-  l2t_session_t *session;
-  l2t_main_t *lm = &l2t_main;
-  u32 session_index;
-  u32 counter_index;
-  u32 nincr = 0;
-  u32 thread_index = vm->thread_index;
-
-  /* *INDENT-OFF* */
-  pool_foreach (session, lm->sessions,
-  ({
-    session_index = session - lm->sessions;
-    counter_index =
-      session_index_to_counter_index (session_index,
-                                      SESSION_COUNTER_USER_TO_NETWORK);
-    vlib_increment_combined_counter (&lm->counter_main,
-                                     thread_index,
-                                     counter_index,
-                                     1/*pkt*/, 1111 /*bytes*/);
-    vlib_increment_combined_counter (&lm->counter_main,
-                                     thread_index,
-                                     counter_index+1,
-                                     1/*pkt*/, 2222 /*bytes*/);
-    nincr++;
-
-  }));
-  /* *INDENT-ON* */
-  vlib_cli_output (vm, "Incremented %d active counters\n", nincr);
-
-  return 0;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (test_counters_command, static) = {
-    .path = "test lt2p counters",
-    .short_help = "increment all active counters",
-    .function = test_counters_command_fn,
-};
-/* *INDENT-ON* */
-
-static clib_error_t *
-clear_counters_command_fn (vlib_main_t * vm,
-			   unformat_input_t * input, vlib_cli_command_t * cmd)
-{
-  l2t_session_t *session;
-  l2t_main_t *lm = &l2t_main;
-  u32 session_index;
-  u32 counter_index;
-  u32 nincr = 0;
-
-  /* *INDENT-OFF* */
-  pool_foreach (session, lm->sessions,
-  ({
-    session_index = session - lm->sessions;
-    counter_index =
-      session_index_to_counter_index (session_index,
-                                      SESSION_COUNTER_USER_TO_NETWORK);
-    vlib_zero_combined_counter (&lm->counter_main, counter_index);
-    vlib_zero_combined_counter (&lm->counter_main, counter_index+1);
-    nincr++;
-  }));
-  /* *INDENT-ON* */
-  vlib_cli_output (vm, "Cleared %d active counters\n", nincr);
-
-  return 0;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (clear_counters_command, static) = {
-  .path = "clear l2tp counters",
-  .short_help = "clear all active counters",
-  .function = clear_counters_command_fn,
-};
-/* *INDENT-ON* */
-
-static u8 *
-format_l2tpv3_name (u8 * s, va_list * args)
-{
-  l2t_main_t *lm = &l2t_main;
-  u32 i = va_arg (*args, u32);
-  u32 show_dev_instance = ~0;
-
-  if (i < vec_len (lm->dev_inst_by_real))
-    show_dev_instance = lm->dev_inst_by_real[i];
-
-  if (show_dev_instance != ~0)
-    i = show_dev_instance;
-
-  return format (s, "l2tpv3_tunnel%d", i);
-}
-
-static int
-l2tpv3_name_renumber (vnet_hw_interface_t * hi, u32 new_dev_instance)
-{
-  l2t_main_t *lm = &l2t_main;
-
-  vec_validate_init_empty (lm->dev_inst_by_real, hi->dev_instance, ~0);
-
-  lm->dev_inst_by_real[hi->dev_instance] = new_dev_instance;
-
-  return 0;
-}
-
-/* *INDENT-OFF* */
-VNET_DEVICE_CLASS (l2tpv3_device_class,static) = {
-  .name = "L2TPv3",
-  .format_device_name = format_l2tpv3_name,
-  .name_renumber = l2tpv3_name_renumber,
-};
-/* *INDENT-ON* */
-
-static u8 *
-format_l2tp_header_with_length (u8 * s, va_list * args)
-{
-  u32 dev_instance = va_arg (*args, u32);
-  s = format (s, "unimplemented dev %u", dev_instance);
-  return s;
-}
-
-/* *INDENT-OFF* */
-VNET_HW_INTERFACE_CLASS (l2tpv3_hw_class) = {
-  .name = "L2TPV3",
-  .format_header = format_l2tp_header_with_length,
-  .build_rewrite = default_build_rewrite,
-  .flags = VNET_HW_INTERFACE_CLASS_FLAG_P2P,
-};
-/* *INDENT-ON* */
-
-int
-create_l2tpv3_ipv6_tunnel (l2t_main_t * lm,
-			   ip6_address_t * client_address,
-			   ip6_address_t * our_address,
-			   u32 local_session_id,
-			   u32 remote_session_id,
-			   u64 local_cookie,
-			   u64 remote_cookie,
-			   int l2_sublayer_present,
-			   u32 encap_fib_index, u32 * sw_if_index)
-{
-  l2t_session_t *s = 0;
-  vnet_main_t *vnm = lm->vnet_main;
-  vnet_hw_interface_t *hi;
-  uword *p = (uword *) ~ 0;
-  u32 hw_if_index;
-  l2tpv3_header_t l2tp_hdr;
-  ip6_address_t *dst_address_copy, *src_address_copy;
-  u32 counter_index;
-
-  remote_session_id = clib_host_to_net_u32 (remote_session_id);
-  local_session_id = clib_host_to_net_u32 (local_session_id);
-
-  switch (lm->lookup_type)
-    {
-    case L2T_LOOKUP_SRC_ADDRESS:
-      p = hash_get_mem (lm->session_by_src_address, client_address);
-      break;
-
-    case L2T_LOOKUP_DST_ADDRESS:
-      p = hash_get_mem (lm->session_by_dst_address, our_address);
-      break;
-
-    case L2T_LOOKUP_SESSION_ID:
-      p = hash_get (lm->session_by_session_id, local_session_id);
-      break;
-
-    default:
-      ASSERT (0);
-    }
-
-  /* adding a session: session must not already exist */
-  if (p)
-    return VNET_API_ERROR_INVALID_VALUE;
-
-  pool_get (lm->sessions, s);
-  clib_memset (s, 0, sizeof (*s));
-  clib_memcpy (&s->our_address, our_address, sizeof (s->our_address));
-  clib_memcpy (&s->client_address, client_address,
-	       sizeof (s->client_address));
-  s->local_cookie[0] = clib_host_to_net_u64 (local_cookie);
-  s->remote_cookie = clib_host_to_net_u64 (remote_cookie);
-  s->local_session_id = local_session_id;
-  s->remote_session_id = remote_session_id;
-  s->l2_sublayer_present = l2_sublayer_present;
-  /* precompute l2tp header size */
-  s->l2tp_hdr_size = l2_sublayer_present ?
-    sizeof (l2tpv3_header_t) :
-    sizeof (l2tpv3_header_t) - sizeof (l2tp_hdr.l2_specific_sublayer);
-  s->admin_up = 0;
-  s->encap_fib_index = encap_fib_index;
-
-  /* Setup hash table entries */
-  switch (lm->lookup_type)
-    {
-    case L2T_LOOKUP_SRC_ADDRESS:
-      src_address_copy = clib_mem_alloc (sizeof (*src_address_copy));
-      clib_memcpy (src_address_copy, client_address,
-		   sizeof (*src_address_copy));
-      hash_set_mem (lm->session_by_src_address, src_address_copy,
-		    s - lm->sessions);
-      break;
-    case L2T_LOOKUP_DST_ADDRESS:
-      dst_address_copy = clib_mem_alloc (sizeof (*dst_address_copy));
-      clib_memcpy (dst_address_copy, our_address, sizeof (*dst_address_copy));
-      hash_set_mem (lm->session_by_dst_address, dst_address_copy,
-		    s - lm->sessions);
-      break;
-    case L2T_LOOKUP_SESSION_ID:
-      hash_set (lm->session_by_session_id, local_session_id,
-		s - lm->sessions);
-      break;
-
-    default:
-      ASSERT (0);
-    }
-
-  /* validate counters */
-  counter_index =
-    session_index_to_counter_index (s - lm->sessions,
-				    SESSION_COUNTER_USER_TO_NETWORK);
-  vlib_validate_combined_counter (&lm->counter_main, counter_index);
-  vlib_validate_combined_counter (&lm->counter_main, counter_index + 1);
-
-  if (vec_len (lm->free_l2tpv3_tunnel_hw_if_indices) > 0)
-    {
-      hw_if_index = lm->free_l2tpv3_tunnel_hw_if_indices
-	[vec_len (lm->free_l2tpv3_tunnel_hw_if_indices) - 1];
-      _vec_len (lm->free_l2tpv3_tunnel_hw_if_indices) -= 1;
-
-      hi = vnet_get_hw_interface (vnm, hw_if_index);
-      hi->dev_instance = s - lm->sessions;
-      hi->hw_instance = hi->dev_instance;
-    }
-  else
-    {
-      hw_if_index = vnet_register_interface
-	(vnm, l2tpv3_device_class.index, s - lm->sessions,
-	 l2tpv3_hw_class.index, s - lm->sessions);
-      hi = vnet_get_hw_interface (vnm, hw_if_index);
-      hi->output_node_index = l2t_encap_node.index;
-      /* $$$$ initialize custom dispositions, if needed */
-    }
-
-  s->hw_if_index = hw_if_index;
-  s->sw_if_index = hi->sw_if_index;
-
-  if (sw_if_index)
-    *sw_if_index = hi->sw_if_index;
-
-  if (!lm->proto_registered)
-    {
-      ip6_register_protocol (IP_PROTOCOL_L2TP, l2t_decap_local_node.index);
-      lm->proto_registered = true;
-    }
-
-  return 0;
-}
-
-static clib_error_t *
-create_l2tpv3_tunnel_command_fn (vlib_main_t * vm,
-				 unformat_input_t * input,
-				 vlib_cli_command_t * cmd)
-{
-  ip6_address_t client_address, our_address;
-  unformat_input_t _line_input, *line_input = &_line_input;
-  l2t_main_t *lm = &l2t_main;
-  u64 local_cookie = (u64) ~ 0, remote_cookie = (u64) ~ 0;
-  u32 local_session_id = 1, remote_session_id = 1;
-  int our_address_set = 0, client_address_set = 0;
-  int l2_sublayer_present = 0;
-  int rv;
-  u32 sw_if_index;
-  u32 encap_fib_id = ~0;
-  u32 encap_fib_index = ~0;
-  clib_error_t *error = NULL;
-
-  /* Get a line of input. */
-  if (!unformat_user (input, unformat_line_input, line_input))
-    return 0;
-
-  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
-    {
-      if (unformat (line_input, "client %U",
-		    unformat_ip6_address, &client_address))
-	client_address_set = 1;
-      else if (unformat (line_input, "our %U",
-			 unformat_ip6_address, &our_address))
-	our_address_set = 1;
-      else if (unformat (line_input, "local-cookie %llx", &local_cookie))
-	;
-      else if (unformat (line_input, "remote-cookie %llx", &remote_cookie))
-	;
-      else if (unformat (line_input, "local-session-id %d",
-			 &local_session_id))
-	;
-      else if (unformat (line_input, "remote-session-id %d",
-			 &remote_session_id))
-	;
-      else if (unformat (line_input, "fib-id %d", &encap_fib_id))
-	;
-      else if (unformat (line_input, "l2-sublayer-present"))
-	l2_sublayer_present = 1;
-      else
-	{
-	  error = clib_error_return (0, "parse error: '%U'",
-				     format_unformat_error, line_input);
-	  goto done;
-	}
-    }
-
-  if (encap_fib_id != ~0)
-    {
-      uword *p;
-      ip6_main_t *im = &ip6_main;
-      if (!(p = hash_get (im->fib_index_by_table_id, encap_fib_id)))
-	{
-	  error = clib_error_return (0, "No fib with id %d", encap_fib_id);
-	  goto done;
-	}
-      encap_fib_index = p[0];
-    }
-  else
-    {
-      encap_fib_index = ~0;
-    }
-
-  if (our_address_set == 0)
-    {
-      error = clib_error_return (0, "our address not specified");
-      goto done;
-    }
-  if (client_address_set == 0)
-    {
-      error = clib_error_return (0, "client address not specified");
-      goto done;
-    }
-
-  rv = create_l2tpv3_ipv6_tunnel (lm, &client_address, &our_address,
-				  local_session_id, remote_session_id,
-				  local_cookie, remote_cookie,
-				  l2_sublayer_present,
-				  encap_fib_index, &sw_if_index);
-  switch (rv)
-    {
-    case 0:
-      vlib_cli_output (vm, "%U\n", format_vnet_sw_if_index_name,
-		       vnet_get_main (), sw_if_index);
-      break;
-    case VNET_API_ERROR_INVALID_VALUE:
-      error = clib_error_return (0, "session already exists...");
-      goto done;
-
-    case VNET_API_ERROR_NO_SUCH_ENTRY:
-      error = clib_error_return (0, "session does not exist...");
-      goto done;
-
-    default:
-      error = clib_error_return (0, "l2tp_session_add_del returned %d", rv);
-      goto done;
-    }
-
-done:
-  unformat_free (line_input);
-
-  return error;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (create_l2tpv3_tunnel_command, static) =
-{
-  .path = "create l2tpv3 tunnel",
-  .short_help =
-  "create l2tpv3 tunnel client <ip6> our <ip6> local-cookie <hex> remote-cookie <hex> local-session <dec> remote-session <dec>",
-  .function = create_l2tpv3_tunnel_command_fn,
-};
-/* *INDENT-ON* */
-
-int
-l2tpv3_set_tunnel_cookies (l2t_main_t * lm,
-			   u32 sw_if_index,
-			   u64 new_local_cookie, u64 new_remote_cookie)
-{
-  l2t_session_t *s;
-  vnet_hw_interface_t *hi;
-  vnet_main_t *vnm = vnet_get_main ();
-  hi = vnet_get_sup_hw_interface (vnm, sw_if_index);
-
-  if (pool_is_free_index (lm->sessions, hi->dev_instance))
-    return VNET_API_ERROR_INVALID_VALUE;
-
-  s = pool_elt_at_index (lm->sessions, hi->dev_instance);
-
-  s->local_cookie[1] = s->local_cookie[0];
-  s->local_cookie[0] = clib_host_to_net_u64 (new_local_cookie);
-  s->remote_cookie = clib_host_to_net_u64 (new_remote_cookie);
-
-  return 0;
-}
-
-
-static clib_error_t *
-set_l2tp_tunnel_cookie_command_fn (vlib_main_t * vm,
-				   unformat_input_t * input,
-				   vlib_cli_command_t * cmd)
-{
-  l2t_main_t *lm = &l2t_main;
-  vnet_main_t *vnm = vnet_get_main ();
-  u32 sw_if_index = ~0;
-  u64 local_cookie = (u64) ~ 0, remote_cookie = (u64) ~ 0;
-
-  int rv;
-
-  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, "local %llx", &local_cookie))
-	;
-      else if (unformat (input, "remote %llx", &remote_cookie))
-	;
-      else
-	break;
-    }
-  if (sw_if_index == ~0)
-    return clib_error_return (0, "unknown interface");
-  if (local_cookie == ~0)
-    return clib_error_return (0, "local cookie required");
-  if (remote_cookie == ~0)
-    return clib_error_return (0, "remote cookie required");
-
-  rv = l2tpv3_set_tunnel_cookies (lm, sw_if_index,
-				  local_cookie, remote_cookie);
-
-  switch (rv)
-    {
-    case 0:
-      break;
-
-    case VNET_API_ERROR_INVALID_SW_IF_INDEX:
-      return clib_error_return (0, "invalid interface");
-
-    default:
-      return clib_error_return (0, "l2tp_session_set_cookies returned %d",
-				rv);
-    }
-
-  return 0;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (set_l2tp_tunnel_cookie_command, static) =
-{
-  .path = "set l2tpv3 tunnel cookie",
-  .short_help =
-  "set l2tpv3 tunnel cookie <intfc> local <hex> remote <hex>",
-  .function = set_l2tp_tunnel_cookie_command_fn,
-};
-/* *INDENT-ON* */
-
-int
-l2tpv3_interface_enable_disable (vnet_main_t * vnm,
-				 u32 sw_if_index, int enable_disable)
-{
-
-  if (pool_is_free_index (vnm->interface_main.sw_interfaces, sw_if_index))
-    return VNET_API_ERROR_INVALID_SW_IF_INDEX;
-
-  vnet_feature_enable_disable ("ip6-unicast", "l2tp-decap", sw_if_index,
-			       enable_disable, 0, 0);
-  return 0;
-}
-
-/* Enable/disable L2TPv3 intercept on IP6 forwarding path */
-static clib_error_t *
-set_ip6_l2tpv3 (vlib_main_t * vm,
-		unformat_input_t * input, vlib_cli_command_t * cmd)
-{
-  u32 sw_if_index = ~0;
-  int is_add = 1;
-  int rv;
-  vnet_main_t *vnm = vnet_get_main ();
-
-  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, "del"))
-	is_add = 0;
-      else
-	break;
-    }
-
-  if (sw_if_index == ~0)
-    return clib_error_return (0, "interface required");
-
-  rv = l2tpv3_interface_enable_disable (vnm, sw_if_index, is_add);
-
-  switch (rv)
-    {
-    case 0:
-      break;
-
-    case VNET_API_ERROR_INVALID_SW_IF_INDEX:
-      return clib_error_return (0, "invalid interface");
-
-    default:
-      return clib_error_return (0,
-				"l2tp_interface_enable_disable returned %d",
-				rv);
-    }
-  return 0;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (set_interface_ip6_l2tpv3, static) =
-{
-  .path = "set interface ip6 l2tpv3",
-  .function = set_ip6_l2tpv3,
-  .short_help = "set interface ip6 l2tpv3 <intfc> [del]",
-};
-/* *INDENT-ON* */
-
-static clib_error_t *
-l2tp_config (vlib_main_t * vm, unformat_input_t * input)
-{
-  l2t_main_t *lm = &l2t_main;
-
-  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
-    {
-      if (unformat (input, "lookup-v6-src"))
-	lm->lookup_type = L2T_LOOKUP_SRC_ADDRESS;
-      else if (unformat (input, "lookup-v6-dst"))
-	lm->lookup_type = L2T_LOOKUP_DST_ADDRESS;
-      else if (unformat (input, "lookup-session-id"))
-	lm->lookup_type = L2T_LOOKUP_SESSION_ID;
-      else
-	return clib_error_return (0, "unknown input `%U'",
-				  format_unformat_error, input);
-    }
-  return 0;
-}
-
-VLIB_CONFIG_FUNCTION (l2tp_config, "l2tp");
-
-
-clib_error_t *
-l2tp_sw_interface_up_down (vnet_main_t * vnm, u32 sw_if_index, u32 flags)
-{
-  l2t_main_t *lm = &l2t_main;
-  vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm, sw_if_index);
-  if (hi->hw_class_index != l2tpv3_hw_class.index)
-    return 0;
-
-  u32 session_index = hi->dev_instance;
-  l2t_session_t *s = pool_elt_at_index (lm->sessions, session_index);
-  s->admin_up = ! !(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP);
-  return 0;
-}
-
-VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION (l2tp_sw_interface_up_down);
-
-clib_error_t *
-l2tp_init (vlib_main_t * vm)
-{
-  l2t_main_t *lm = &l2t_main;
-  ip_main_t *im = &ip_main;
-  ip_protocol_info_t *pi;
-
-  lm->vnet_main = vnet_get_main ();
-  lm->vlib_main = vm;
-  lm->lookup_type = L2T_LOOKUP_DST_ADDRESS;
-
-  lm->session_by_src_address = hash_create_mem
-    (0, sizeof (ip6_address_t) /* key bytes */ ,
-     sizeof (u32) /* value bytes */ );
-  lm->session_by_dst_address = hash_create_mem
-    (0, sizeof (ip6_address_t) /* key bytes */ ,
-     sizeof (u32) /* value bytes */ );
-  lm->session_by_session_id = hash_create (0, sizeof (uword));
-
-  pi = ip_get_protocol_info (im, IP_PROTOCOL_L2TP);
-  pi->unformat_pg_edit = unformat_pg_l2tp_header;
-
-  lm->proto_registered = false;
-
-  /* insure these nodes are included in build */
-  l2tp_encap_init (vm);
-
-  return 0;
-}
-
-VLIB_INIT_FUNCTION (l2tp_init);
-
-clib_error_t *
-l2tp_worker_init (vlib_main_t * vm)
-{
-  l2tp_encap_init (vm);
-
-  return 0;
-}
-
-VLIB_WORKER_INIT_FUNCTION (l2tp_worker_init);
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
diff --git a/src/vnet/l2tp/l2tp.h b/src/vnet/l2tp/l2tp.h
deleted file mode 100644
index 49873380057..00000000000
--- a/src/vnet/l2tp/l2tp.h
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
- * l2tp.h : L2TPv3 tunnel support
- *
- * 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_l2tp_h__
-#define __included_l2tp_h__
-
-#include <vlib/vlib.h>
-#include <vnet/ip/ip.h>
-#include <vnet/l2tp/packet.h>
-
-typedef struct
-{
-  /* ip6 addresses */
-  ip6_address_t our_address;
-  ip6_address_t client_address;
-
-  /* l2tpv3 header parameters */
-  u64 local_cookie[2];
-  u64 remote_cookie;
-  u32 local_session_id;
-  u32 remote_session_id;
-
-  /* tunnel interface */
-  u32 hw_if_index;
-  u32 sw_if_index;
-
-  /* fib index used for outgoing encapsulated packets */
-  u32 encap_fib_index;
-
-  u8 l2tp_hdr_size;
-  u8 l2_sublayer_present;
-  u8 cookie_flags;		/* in host byte order */
-
-  u8 admin_up;
-} l2t_session_t;
-
-typedef enum
-{
-  L2T_LOOKUP_SRC_ADDRESS = 0,
-  L2T_LOOKUP_DST_ADDRESS,
-  L2T_LOOKUP_SESSION_ID,
-} ip6_to_l2_lookup_t;
-
-typedef struct
-{
-  /* session pool */
-  l2t_session_t *sessions;
-
-  /* ip6 -> l2 hash tables. Make up your minds, people... */
-  uword *session_by_src_address;
-  uword *session_by_dst_address;
-  uword *session_by_session_id;
-
-  ip6_to_l2_lookup_t lookup_type;
-
-  /* Counters */
-  vlib_combined_counter_main_t counter_main;
-
-  /* vector of free l2tpv3 tunnel interfaces */
-  u32 *free_l2tpv3_tunnel_hw_if_indices;
-
-  /* show device instance by real device instance */
-  u32 *dev_inst_by_real;
-
-  /* convenience */
-  vlib_main_t *vlib_main;
-  vnet_main_t *vnet_main;
-
-  bool proto_registered;
-
-} l2t_main_t;
-
-/* Packet trace structure */
-typedef struct
-{
-  int is_user_to_network;
-  u32 session_index;
-  ip6_address_t our_address;
-  ip6_address_t client_address;
-} l2t_trace_t;
-
-extern l2t_main_t l2t_main;
-extern vlib_node_registration_t l2t_encap_node;
-extern vlib_node_registration_t l2t_decap_node;
-extern vlib_node_registration_t l2t_decap_local_node;
-
-enum
-{
-  SESSION_COUNTER_USER_TO_NETWORK = 0,
-  SESSION_COUNTER_NETWORK_TO_USER,
-};
-
-static inline u32
-session_index_to_counter_index (u32 session_index, u32 counter_id)
-{
-  return ((session_index << 1) + counter_id);
-}
-
-u8 *format_l2t_trace (u8 * s, va_list * args);
-
-typedef struct
-{
-  /* Any per-interface config would go here */
-} ip6_l2tpv3_config_t;
-
-uword unformat_pg_l2tp_header (unformat_input_t * input, va_list * args);
-
-void l2tp_encap_init (vlib_main_t * vm);
-int create_l2tpv3_ipv6_tunnel (l2t_main_t * lm,
-			       ip6_address_t * client_address,
-			       ip6_address_t * our_address,
-			       u32 local_session_id,
-			       u32 remote_session_id,
-			       u64 local_cookie,
-			       u64 remote_cookie,
-			       int l2_sublayer_present,
-			       u32 encap_fib_index, u32 * sw_if_index);
-
-int l2tpv3_set_tunnel_cookies (l2t_main_t * lm,
-			       u32 sw_if_index,
-			       u64 new_local_cookie, u64 new_remote_cookie);
-
-int l2tpv3_interface_enable_disable (vnet_main_t * vnm,
-				     u32 sw_if_index, int enable_disable);
-
-#endif /* __included_l2tp_h__ */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
diff --git a/src/vnet/l2tp/l2tp_api.c b/src/vnet/l2tp/l2tp_api.c
deleted file mode 100644
index 3a31372253f..00000000000
--- a/src/vnet/l2tp/l2tp_api.c
+++ /dev/null
@@ -1,273 +0,0 @@
-/*
- *------------------------------------------------------------------
- * l2tp_api.c - l2tpv3 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 <vlibmemory/api.h>
-
-#include <vnet/interface.h>
-#include <vnet/api_errno.h>
-#include <vnet/l2tp/l2tp.h>
-#include <vnet/ip/ip_types_api.h>
-
-#include <vnet/vnet_msg_enum.h>
-
-#define vl_typedefs		/* define message structures */
-#include <vnet/vnet_all_api_h.h>
-#undef vl_typedefs
-
-#define vl_endianfun		/* define message structures */
-#include <vnet/vnet_all_api_h.h>
-#undef vl_endianfun
-
-/* instantiate all the print functions we know about */
-#define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
-#define vl_printfun
-#include <vnet/vnet_all_api_h.h>
-#undef vl_printfun
-
-#include <vlibapi/api_helper_macros.h>
-
-#define foreach_vpe_api_msg                             \
-_(L2TPV3_CREATE_TUNNEL, l2tpv3_create_tunnel)                           \
-_(L2TPV3_SET_TUNNEL_COOKIES, l2tpv3_set_tunnel_cookies)                 \
-_(L2TPV3_INTERFACE_ENABLE_DISABLE, l2tpv3_interface_enable_disable)     \
-_(L2TPV3_SET_LOOKUP_KEY, l2tpv3_set_lookup_key)                         \
-_(SW_IF_L2TPV3_TUNNEL_DUMP, sw_if_l2tpv3_tunnel_dump)
-
-static void
-send_sw_if_l2tpv3_tunnel_details (vpe_api_main_t * am,
-				  vl_api_registration_t * reg,
-				  l2t_session_t * s,
-				  l2t_main_t * lm, u32 context)
-{
-  vl_api_sw_if_l2tpv3_tunnel_details_t *mp;
-  u8 *if_name = NULL;
-  vnet_sw_interface_t *si = NULL;
-
-  si = vnet_get_hw_sw_interface (lm->vnet_main, s->hw_if_index);
-
-  if_name = format (if_name, "%U",
-		    format_vnet_sw_interface_name, lm->vnet_main, si);
-
-  mp = vl_msg_api_alloc (sizeof (*mp));
-  clib_memset (mp, 0, sizeof (*mp));
-  mp->_vl_msg_id = ntohs (VL_API_SW_IF_L2TPV3_TUNNEL_DETAILS);
-  strncpy ((char *) mp->interface_name,
-	   (char *) if_name, ARRAY_LEN (mp->interface_name) - 1);
-  mp->sw_if_index = ntohl (si->sw_if_index);
-  mp->local_session_id = s->local_session_id;
-  mp->remote_session_id = s->remote_session_id;
-  mp->local_cookie[0] = s->local_cookie[0];
-  mp->local_cookie[1] = s->local_cookie[1];
-  mp->remote_cookie = s->remote_cookie;
-  ip_address_encode ((ip46_address_t *) & s->client_address, IP46_TYPE_IP6,
-		     &mp->client_address);
-  ip_address_encode ((ip46_address_t *) & s->our_address, IP46_TYPE_IP6,
-		     &mp->our_address);
-  mp->l2_sublayer_present = s->l2_sublayer_present;
-  mp->context = context;
-
-  vl_api_send_msg (reg, (u8 *) mp);
-}
-
-
-static void
-vl_api_sw_if_l2tpv3_tunnel_dump_t_handler (vl_api_sw_if_l2tpv3_tunnel_dump_t *
-					   mp)
-{
-  vpe_api_main_t *am = &vpe_api_main;
-  l2t_main_t *lm = &l2t_main;
-  vl_api_registration_t *reg;
-  l2t_session_t *session;
-
-  reg = vl_api_client_index_to_registration (mp->client_index);
-  if (!reg)
-    return;
-
-  /* *INDENT-OFF* */
-  pool_foreach (session, lm->sessions,
-  ({
-    send_sw_if_l2tpv3_tunnel_details (am, reg, session, lm, mp->context);
-  }));
-  /* *INDENT-ON* */
-}
-
-static void vl_api_l2tpv3_create_tunnel_t_handler
-  (vl_api_l2tpv3_create_tunnel_t * mp)
-{
-  vl_api_l2tpv3_create_tunnel_reply_t *rmp;
-  l2t_main_t *lm = &l2t_main;
-  u32 sw_if_index = (u32) ~ 0;
-  int rv;
-  ip46_address_t client, our;
-
-  if (mp->our_address.af == ADDRESS_IP4)
-    {
-      rv = VNET_API_ERROR_UNIMPLEMENTED;
-      goto out;
-    }
-
-  u32 encap_fib_index;
-
-  if (mp->encap_vrf_id != ~0)
-    {
-      uword *p;
-      ip6_main_t *im = &ip6_main;
-      if (!
-	  (p =
-	   hash_get (im->fib_index_by_table_id, ntohl (mp->encap_vrf_id))))
-	{
-	  rv = VNET_API_ERROR_NO_SUCH_FIB;
-	  goto out;
-	}
-      encap_fib_index = p[0];
-    }
-  else
-    {
-      encap_fib_index = ~0;
-    }
-
-  ip_address_decode (&mp->client_address, &client);
-  ip_address_decode (&mp->our_address, &our);
-
-  rv = create_l2tpv3_ipv6_tunnel (lm,
-				  &client.ip6,
-				  &our.ip6,
-				  ntohl (mp->local_session_id),
-				  ntohl (mp->remote_session_id),
-				  clib_net_to_host_u64 (mp->local_cookie),
-				  clib_net_to_host_u64 (mp->remote_cookie),
-				  mp->l2_sublayer_present,
-				  encap_fib_index, &sw_if_index);
-
-out:
-  /* *INDENT-OFF* */
-  REPLY_MACRO2(VL_API_L2TPV3_CREATE_TUNNEL_REPLY,
-  ({
-    rmp->sw_if_index = ntohl (sw_if_index);
-  }));
-  /* *INDENT-ON* */
-}
-
-static void vl_api_l2tpv3_set_tunnel_cookies_t_handler
-  (vl_api_l2tpv3_set_tunnel_cookies_t * mp)
-{
-  vl_api_l2tpv3_set_tunnel_cookies_reply_t *rmp;
-  l2t_main_t *lm = &l2t_main;
-  int rv;
-
-  VALIDATE_SW_IF_INDEX (mp);
-
-  rv = l2tpv3_set_tunnel_cookies (lm, ntohl (mp->sw_if_index),
-				  clib_net_to_host_u64 (mp->new_local_cookie),
-				  clib_net_to_host_u64
-				  (mp->new_remote_cookie));
-
-  BAD_SW_IF_INDEX_LABEL;
-
-  REPLY_MACRO (VL_API_L2TPV3_SET_TUNNEL_COOKIES_REPLY);
-}
-
-static void vl_api_l2tpv3_interface_enable_disable_t_handler
-  (vl_api_l2tpv3_interface_enable_disable_t * mp)
-{
-  int rv;
-  vnet_main_t *vnm = vnet_get_main ();
-  vl_api_l2tpv3_interface_enable_disable_reply_t *rmp;
-
-  VALIDATE_SW_IF_INDEX (mp);
-
-  rv = l2tpv3_interface_enable_disable
-    (vnm, ntohl (mp->sw_if_index), mp->enable_disable);
-
-  BAD_SW_IF_INDEX_LABEL;
-
-  REPLY_MACRO (VL_API_L2TPV3_INTERFACE_ENABLE_DISABLE_REPLY);
-}
-
-static void vl_api_l2tpv3_set_lookup_key_t_handler
-  (vl_api_l2tpv3_set_lookup_key_t * mp)
-{
-  int rv = 0;
-  l2t_main_t *lm = &l2t_main;
-  vl_api_l2tpv3_set_lookup_key_reply_t *rmp;
-
-  if (mp->key > L2T_LOOKUP_KEY_API_SESSION_ID)
-    {
-      rv = VNET_API_ERROR_INVALID_VALUE;
-      goto out;
-    }
-
-  lm->lookup_type = (ip6_to_l2_lookup_t) mp->key;
-
-out:
-  REPLY_MACRO (VL_API_L2TPV3_SET_LOOKUP_KEY_REPLY);
-}
-
-/*
- * l2tp_api_hookup
- * Add vpe's API message handlers to the table.
- * vlib has already mapped shared memory and
- * added the client registration handlers.
- * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
- */
-#define vl_msg_name_crc_list
-#include <vnet/vnet_all_api_h.h>
-#undef vl_msg_name_crc_list
-
-static void
-setup_message_id_table (api_main_t * am)
-{
-#define _(id,n,crc) vl_msg_api_add_msg_name_crc (am, #n "_" #crc, id);
-  foreach_vl_msg_name_crc_l2tp;
-#undef _
-}
-
-static clib_error_t *
-l2tp_api_hookup (vlib_main_t * vm)
-{
-  api_main_t *am = vlibapi_get_main ();
-
-#define _(N,n)                                                  \
-    vl_msg_api_set_handlers(VL_API_##N, #n,                     \
-                           vl_api_##n##_t_handler,              \
-                           vl_noop_handler,                     \
-                           vl_api_##n##_t_endian,               \
-                           vl_api_##n##_t_print,                \
-                           sizeof(vl_api_##n##_t), 1);
-  foreach_vpe_api_msg;
-#undef _
-
-  /*
-   * Set up the (msg_name, crc, message-id) table
-   */
-  setup_message_id_table (am);
-
-  return 0;
-}
-
-VLIB_API_INIT_FUNCTION (l2tp_api_hookup);
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
diff --git a/src/vnet/l2tp/packet.h b/src/vnet/l2tp/packet.h
deleted file mode 100644
index 66dfea2194c..00000000000
--- a/src/vnet/l2tp/packet.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * packet.h : L2TPv3 packet header format
- *
- * 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_l2tp_packet_h__
-#define __included_l2tp_packet_h__
-
-/*
- * See RFC4719 for packet format.
- * Note: the l2_specific_sublayer is present in current Linux l2tpv3
- * tunnels. It is not present in IOS XR l2tpv3 tunnels.
- * The Linux implementation is almost certainly wrong.
- */
-/* *INDENT-OFF* */
-typedef CLIB_PACKED (struct
-{
-  u32 session_id;
-  u64 cookie; u32
-  l2_specific_sublayer;	/* set to 0 (if present) */
-}) l2tpv3_header_t;
-/* *INDENT-ON* */
-
-#endif /* __included_l2tp_packet_h__ */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
diff --git a/src/vnet/l2tp/pg.c b/src/vnet/l2tp/pg.c
deleted file mode 100644
index 1e523d3bbb0..00000000000
--- a/src/vnet/l2tp/pg.c
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- * pg.c: packet generator for L2TPv3 header
- *
- * 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 <vlib/vlib.h>
-#include <vnet/pg/pg.h>
-#include <vnet/l2tp/l2tp.h>
-
-typedef struct
-{
-  pg_edit_t session_id;
-  pg_edit_t cookie;
-} pg_l2tp_header_t;
-
-typedef struct
-{
-  pg_edit_t l2_sublayer;
-} pg_l2tp_header_l2_sublayer_t;
-
-static inline void
-pg_l2tp_header_init (pg_l2tp_header_t * e)
-{
-  pg_edit_init (&e->session_id, l2tpv3_header_t, session_id);
-  pg_edit_init (&e->cookie, l2tpv3_header_t, cookie);
-}
-
-uword
-unformat_pg_l2tp_header (unformat_input_t * input, va_list * args)
-{
-  pg_stream_t *s = va_arg (*args, pg_stream_t *);
-  pg_l2tp_header_t *h;
-  u32 group_index, error;
-  vlib_main_t *vm = vlib_get_main ();
-
-  h = pg_create_edit_group (s, sizeof (h[0]),
-			    sizeof (l2tpv3_header_t) - sizeof (u32),
-			    &group_index);
-  pg_l2tp_header_init (h);
-
-  error = 1;
-
-  /* session id and cookie are required */
-  if (!unformat (input, "L2TP: session_id %U cookie %U",
-		 unformat_pg_edit, unformat_pg_number, &h->session_id,
-		 unformat_pg_edit, unformat_pg_number, &h->cookie))
-    {
-      goto done;
-    }
-
-  /* "l2_sublayer <value>" is optional */
-  if (unformat (input, "l2_sublayer"))
-    {
-      pg_l2tp_header_l2_sublayer_t *h2;
-
-      h2 = pg_add_edits (s, sizeof (h2[0]), sizeof (u32), group_index);
-      pg_edit_init (&h2->l2_sublayer, l2tpv3_header_t, l2_specific_sublayer);
-      if (!unformat_user (input, unformat_pg_edit,
-			  unformat_pg_number, &h2->l2_sublayer))
-	{
-	  goto done;
-	}
-    }
-
-  /* Parse an ethernet header if it is present */
-  {
-    pg_node_t *pg_node = 0;
-    vlib_node_t *eth_lookup_node;
-
-    eth_lookup_node = vlib_get_node_by_name (vm, (u8 *) "ethernet-input");
-    ASSERT (eth_lookup_node);
-
-    pg_node = pg_get_node (eth_lookup_node->index);
-
-    if (pg_node && pg_node->unformat_edit
-	&& unformat_user (input, pg_node->unformat_edit, s))
-      ;
-  }
-
-  error = 0;
-
-done:
-  if (error)
-    pg_free_edit_group (s);
-  return error == 0;
-}
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
diff --git a/src/vnet/vnet_all_api_h.h b/src/vnet/vnet_all_api_h.h
index 9daf5e95b4d..86edc88ac49 100644
--- a/src/vnet/vnet_all_api_h.h
+++ b/src/vnet/vnet_all_api_h.h
@@ -40,7 +40,6 @@
 #include <vnet/gre/gre.api.h>
 #include <vnet/interface.api.h>
 #include <vnet/l2/l2.api.h>
-#include <vnet/l2tp/l2tp.api.h>
 #include <vnet/span/span.api.h>
 #include <vnet/ip/ip.api.h>
 #include <vnet/vxlan/vxlan.api.h>