geneve: Move to plugin

Type: refactor

Change-Id: I613bf4d6517591351b212bfe6c8d93abf235f5dc
Signed-off-by: Neale Ranns <nranns@cisco.com>

1 files changed, 0 insertions, 1303 deletions

diff --git a/src/vnet/geneve/decap.c b/src/vnet/geneve/decap.c
deleted file mode 100644
index b570e3512c4..00000000000
--- a/src/vnet/geneve/decap.c
+++ /dev/null
@@ -1,1303 +0,0 @@
-/*
- * Copyright (c) 2017 SUSE LLC.
- * 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/geneve/geneve.h>
-
-typedef struct
-{
-  u32 next_index;
-  u32 tunnel_index;
-  u32 error;
-  u32 vni_rsvd;
-} geneve_rx_trace_t;
-
-static u8 *
-format_geneve_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 *);
-  geneve_rx_trace_t *t = va_arg (*args, geneve_rx_trace_t *);
-
-  if (t->tunnel_index != ~0)
-    {
-      s =
-	format (s,
-		"GENEVE decap from geneve_tunnel%d vni %d next %d error %d",
-		t->tunnel_index, t->vni_rsvd, t->next_index, t->error);
-    }
-  else
-    {
-      s = format (s, "GENEVE decap error - tunnel for vni %d does not exist",
-		  t->vni_rsvd);
-    }
-  return s;
-}
-
-always_inline u32
-validate_geneve_fib (vlib_buffer_t * b, geneve_tunnel_t * t, u32 is_ip4)
-{
-  u32 fib_index, sw_if_index;
-
-  sw_if_index = vnet_buffer (b)->sw_if_index[VLIB_RX];
-
-  if (is_ip4)
-    fib_index = (vnet_buffer (b)->sw_if_index[VLIB_TX] == (u32) ~ 0) ?
-      vec_elt (ip4_main.fib_index_by_sw_if_index, sw_if_index) :
-      vnet_buffer (b)->sw_if_index[VLIB_TX];
-  else
-    fib_index = (vnet_buffer (b)->sw_if_index[VLIB_TX] == (u32) ~ 0) ?
-      vec_elt (ip6_main.fib_index_by_sw_if_index, sw_if_index) :
-      vnet_buffer (b)->sw_if_index[VLIB_TX];
-
-  return (fib_index == t->encap_fib_index);
-}
-
-always_inline uword
-geneve_input (vlib_main_t * vm,
-	      vlib_node_runtime_t * node,
-	      vlib_frame_t * from_frame, u32 is_ip4)
-{
-  u32 n_left_from, next_index, *from, *to_next;
-  geneve_main_t *vxm = &geneve_main;
-  vnet_main_t *vnm = vxm->vnet_main;
-  vnet_interface_main_t *im = &vnm->interface_main;
-  u32 last_tunnel_index = ~0;
-  geneve4_tunnel_key_t last_key4;
-  geneve6_tunnel_key_t last_key6;
-  u32 pkts_decapsulated = 0;
-  u32 thread_index = vm->thread_index;
-  u32 stats_sw_if_index, stats_n_packets, stats_n_bytes;
-  vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b = bufs;
-
-  if (is_ip4)
-    last_key4.as_u64 = ~0;
-  else
-    clib_memset (&last_key6, 0xff, sizeof (last_key6));
-
-  from = vlib_frame_vector_args (from_frame);
-  n_left_from = from_frame->n_vectors;
-  vlib_get_buffers (vm, from, bufs, n_left_from);
-
-  next_index = node->cached_next_index;
-  stats_sw_if_index = node->runtime_data[0];
-  stats_n_packets = stats_n_bytes = 0;
-
-  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;
-	  u32 next0, next1;
-	  ip4_header_t *ip4_0, *ip4_1;
-	  ip6_header_t *ip6_0, *ip6_1;
-	  geneve_header_t *geneve0, *geneve1;
-	  uword *p0, *p1;
-	  u32 tunnel_index0, tunnel_index1;
-	  geneve_tunnel_t *t0, *t1, *mt0 = NULL, *mt1 = NULL;
-	  geneve4_tunnel_key_t key4_0, key4_1;
-	  geneve6_tunnel_key_t key6_0, key6_1;
-	  u32 error0, error1;
-	  u32 sw_if_index0, sw_if_index1, len0, len1;
-
-	  /* Prefetch next iteration. */
-	  {
-	    vlib_prefetch_buffer_header (b[2], LOAD);
-	    vlib_prefetch_buffer_header (b[3], LOAD);
-
-	    CLIB_PREFETCH (b[2]->data, 2 * CLIB_CACHE_LINE_BYTES, LOAD);
-	    CLIB_PREFETCH (b[3]->data, 2 * CLIB_CACHE_LINE_BYTES, 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 = b[0];
-	  b1 = b[1];
-	  b += 2;
-
-	  /* udp leaves current_data pointing at the geneve header */
-	  geneve0 = vlib_buffer_get_current (b0);
-	  geneve1 = vlib_buffer_get_current (b1);
-
-	  vnet_geneve_hdr_1word_ntoh (geneve0);
-	  vnet_geneve_hdr_1word_ntoh (geneve1);
-
-	  if (is_ip4)
-	    {
-	      vlib_buffer_advance
-		(b0, -(word) (sizeof (udp_header_t) + sizeof (ip4_header_t)));
-	      vlib_buffer_advance
-		(b1, -(word) (sizeof (udp_header_t) + sizeof (ip4_header_t)));
-	      ip4_0 = vlib_buffer_get_current (b0);
-	      ip4_1 = vlib_buffer_get_current (b1);
-	    }
-	  else
-	    {
-	      vlib_buffer_advance
-		(b0, -(word) (sizeof (udp_header_t) + sizeof (ip6_header_t)));
-	      vlib_buffer_advance
-		(b1, -(word) (sizeof (udp_header_t) + sizeof (ip6_header_t)));
-	      ip6_0 = vlib_buffer_get_current (b0);
-	      ip6_1 = vlib_buffer_get_current (b1);
-	    }
-
-	  /* pop (ip, udp, geneve) */
-	  if (is_ip4)
-	    {
-	      vlib_buffer_advance (b0,
-				   sizeof (*ip4_0) + sizeof (udp_header_t) +
-				   GENEVE_BASE_HEADER_LENGTH +
-				   vnet_get_geneve_options_len (geneve0));
-	      vlib_buffer_advance (b1,
-				   sizeof (*ip4_1) + sizeof (udp_header_t) +
-				   GENEVE_BASE_HEADER_LENGTH +
-				   vnet_get_geneve_options_len (geneve1));
-	    }
-	  else
-	    {
-	      vlib_buffer_advance (b0,
-				   sizeof (*ip6_0) + sizeof (udp_header_t) +
-				   GENEVE_BASE_HEADER_LENGTH +
-				   vnet_get_geneve_options_len (geneve0));
-	      vlib_buffer_advance (b1,
-				   sizeof (*ip6_1) + sizeof (udp_header_t) +
-				   GENEVE_BASE_HEADER_LENGTH +
-				   vnet_get_geneve_options_len (geneve1));
-	    }
-
-	  tunnel_index0 = ~0;
-	  error0 = 0;
-
-	  tunnel_index1 = ~0;
-	  error1 = 0;
-
-	  if (PREDICT_FALSE
-	      (vnet_get_geneve_version (geneve0) != GENEVE_VERSION))
-	    {
-	      error0 = GENEVE_ERROR_BAD_FLAGS;
-	      next0 = GENEVE_INPUT_NEXT_DROP;
-	      goto trace0;
-	    }
-#if SUPPORT_OPTIONS_HEADER==1
-	  if (PREDICT_FALSE (vnet_get_geneve_critical_bit (geneve0) == 1))
-	    {
-	      error0 = GENEVE_ERROR_BAD_FLAGS;
-	      next0 = GENEVE_INPUT_NEXT_DROP;
-	      goto trace0;
-	    }
-#endif
-	  if (is_ip4)
-	    {
-	      key4_0.remote = ip4_0->src_address.as_u32;
-	      key4_0.vni = vnet_get_geneve_vni_network_order (geneve0);
-
-	      /* Make sure GENEVE tunnel exist according to packet SIP and VNI */
-	      if (PREDICT_FALSE (key4_0.as_u64 != last_key4.as_u64))
-		{
-		  p0 = hash_get (vxm->geneve4_tunnel_by_key, key4_0.as_u64);
-		  if (PREDICT_FALSE (p0 == NULL))
-		    {
-		      error0 = GENEVE_ERROR_NO_SUCH_TUNNEL;
-		      next0 = GENEVE_INPUT_NEXT_DROP;
-		      goto trace0;
-		    }
-		  last_key4.as_u64 = key4_0.as_u64;
-		  tunnel_index0 = last_tunnel_index = p0[0];
-		}
-	      else
-		tunnel_index0 = last_tunnel_index;
-	      t0 = pool_elt_at_index (vxm->tunnels, tunnel_index0);
-
-	      /* Validate GENEVE tunnel encap-fib index against packet */
-	      if (PREDICT_FALSE (validate_geneve_fib (b0, t0, is_ip4) == 0))
-		{
-		  error0 = GENEVE_ERROR_NO_SUCH_TUNNEL;
-		  next0 = GENEVE_INPUT_NEXT_DROP;
-		  goto trace0;
-		}
-
-	      /* Validate GENEVE tunnel SIP against packet DIP */
-	      if (PREDICT_TRUE
-		  (ip4_0->dst_address.as_u32 == t0->local.ip4.as_u32))
-		goto next0;	/* valid packet */
-	      if (PREDICT_FALSE
-		  (ip4_address_is_multicast (&ip4_0->dst_address)))
-		{
-		  key4_0.remote = ip4_0->dst_address.as_u32;
-		  key4_0.vni = vnet_get_geneve_vni_network_order (geneve0);
-		  /* Make sure mcast GENEVE tunnel exist by packet DIP and VNI */
-		  p0 = hash_get (vxm->geneve4_tunnel_by_key, key4_0.as_u64);
-		  if (PREDICT_TRUE (p0 != NULL))
-		    {
-		      mt0 = pool_elt_at_index (vxm->tunnels, p0[0]);
-		      goto next0;	/* valid packet */
-		    }
-		}
-	      error0 = GENEVE_ERROR_NO_SUCH_TUNNEL;
-	      next0 = GENEVE_INPUT_NEXT_DROP;
-	      goto trace0;
-
-	    }
-	  else			/* !is_ip4 */
-	    {
-	      key6_0.remote.as_u64[0] = ip6_0->src_address.as_u64[0];
-	      key6_0.remote.as_u64[1] = ip6_0->src_address.as_u64[1];
-	      key6_0.vni = vnet_get_geneve_vni_network_order (geneve0);
-
-	      /* Make sure GENEVE tunnel exist according to packet SIP and VNI */
-	      if (PREDICT_FALSE
-		  (memcmp (&key6_0, &last_key6, sizeof (last_key6)) != 0))
-		{
-		  p0 = hash_get_mem (vxm->geneve6_tunnel_by_key, &key6_0);
-		  if (PREDICT_FALSE (p0 == NULL))
-		    {
-		      error0 = GENEVE_ERROR_NO_SUCH_TUNNEL;
-		      next0 = GENEVE_INPUT_NEXT_DROP;
-		      goto trace0;
-		    }
-		  clib_memcpy_fast (&last_key6, &key6_0, sizeof (key6_0));
-		  tunnel_index0 = last_tunnel_index = p0[0];
-		}
-	      else
-		tunnel_index0 = last_tunnel_index;
-	      t0 = pool_elt_at_index (vxm->tunnels, tunnel_index0);
-
-	      /* Validate GENEVE tunnel encap-fib index against packet */
-	      if (PREDICT_FALSE (validate_geneve_fib (b0, t0, is_ip4) == 0))
-		{
-		  error0 = GENEVE_ERROR_NO_SUCH_TUNNEL;
-		  next0 = GENEVE_INPUT_NEXT_DROP;
-		  goto trace0;
-		}
-
-	      /* Validate GENEVE tunnel SIP against packet DIP */
-	      if (PREDICT_TRUE (ip6_address_is_equal (&ip6_0->dst_address,
-						      &t0->local.ip6)))
-		goto next0;	/* valid packet */
-	      if (PREDICT_FALSE
-		  (ip6_address_is_multicast (&ip6_0->dst_address)))
-		{
-		  key6_0.remote.as_u64[0] = ip6_0->dst_address.as_u64[0];
-		  key6_0.remote.as_u64[1] = ip6_0->dst_address.as_u64[1];
-		  key6_0.vni = vnet_get_geneve_vni_network_order (geneve0);
-		  p0 = hash_get_mem (vxm->geneve6_tunnel_by_key, &key6_0);
-		  if (PREDICT_TRUE (p0 != NULL))
-		    {
-		      mt0 = pool_elt_at_index (vxm->tunnels, p0[0]);
-		      goto next0;	/* valid packet */
-		    }
-		}
-	      error0 = GENEVE_ERROR_NO_SUCH_TUNNEL;
-	      next0 = GENEVE_INPUT_NEXT_DROP;
-	      goto trace0;
-	    }
-
-	next0:
-	  next0 = t0->decap_next_index;
-	  sw_if_index0 = t0->sw_if_index;
-	  len0 = vlib_buffer_length_in_chain (vm, b0);
-
-	  /* Required to make the l2 tag push / pop code work on l2 subifs */
-	  if (PREDICT_TRUE (next0 == GENEVE_INPUT_NEXT_L2_INPUT))
-	    vnet_update_l2_len (b0);
-
-	  /* Set packet input sw_if_index to unicast GENEVE tunnel for learning */
-	  vnet_buffer (b0)->sw_if_index[VLIB_RX] = sw_if_index0;
-	  sw_if_index0 = (mt0) ? mt0->sw_if_index : sw_if_index0;
-
-	  pkts_decapsulated++;
-	  stats_n_packets += 1;
-	  stats_n_bytes += len0;
-
-	  /* Batch stats increment on the same geneve tunnel so counter
-	     is not incremented per packet */
-	  if (PREDICT_FALSE (sw_if_index0 != stats_sw_if_index))
-	    {
-	      stats_n_packets -= 1;
-	      stats_n_bytes -= len0;
-	      if (stats_n_packets)
-		vlib_increment_combined_counter
-		  (im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_RX,
-		   thread_index, stats_sw_if_index,
-		   stats_n_packets, stats_n_bytes);
-	      stats_n_packets = 1;
-	      stats_n_bytes = len0;
-	      stats_sw_if_index = sw_if_index0;
-	    }
-
-	trace0:
-	  b0->error = error0 ? node->errors[error0] : 0;
-
-	  if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
-	    {
-	      geneve_rx_trace_t *tr
-		= vlib_add_trace (vm, node, b0, sizeof (*tr));
-	      tr->next_index = next0;
-	      tr->error = error0;
-	      tr->tunnel_index = tunnel_index0;
-	      tr->vni_rsvd = vnet_get_geneve_vni (geneve0);
-	    }
-
-	  if (PREDICT_FALSE
-	      (vnet_get_geneve_version (geneve1) != GENEVE_VERSION))
-	    {
-	      error1 = GENEVE_ERROR_BAD_FLAGS;
-	      next1 = GENEVE_INPUT_NEXT_DROP;
-	      goto trace1;
-	    }
-#if SUPPORT_OPTIONS_HEADER==1
-	  if (PREDICT_FALSE (vnet_get_geneve_critical_bit (geneve1) == 1))
-	    {
-	      error1 = GENEVE_ERROR_BAD_FLAGS;
-	      next1 = GENEVE_INPUT_NEXT_DROP;
-	      goto trace1;
-	    }
-#endif
-	  if (is_ip4)
-	    {
-	      key4_1.remote = ip4_1->src_address.as_u32;
-	      key4_1.vni = vnet_get_geneve_vni_network_order (geneve1);
-
-	      /* Make sure unicast GENEVE tunnel exist by packet SIP and VNI */
-	      if (PREDICT_FALSE (key4_1.as_u64 != last_key4.as_u64))
-		{
-		  p1 = hash_get (vxm->geneve4_tunnel_by_key, key4_1.as_u64);
-		  if (PREDICT_FALSE (p1 == NULL))
-		    {
-		      error1 = GENEVE_ERROR_NO_SUCH_TUNNEL;
-		      next1 = GENEVE_INPUT_NEXT_DROP;
-		      goto trace1;
-		    }
-		  last_key4.as_u64 = key4_1.as_u64;
-		  tunnel_index1 = last_tunnel_index = p1[0];
-		}
-	      else
-		tunnel_index1 = last_tunnel_index;
-	      t1 = pool_elt_at_index (vxm->tunnels, tunnel_index1);
-
-	      /* Validate GENEVE tunnel encap-fib index against packet */
-	      if (PREDICT_FALSE (validate_geneve_fib (b1, t1, is_ip4) == 0))
-		{
-		  error1 = GENEVE_ERROR_NO_SUCH_TUNNEL;
-		  next1 = GENEVE_INPUT_NEXT_DROP;
-		  goto trace1;
-		}
-
-	      /* Validate GENEVE tunnel SIP against packet DIP */
-	      if (PREDICT_TRUE
-		  (ip4_1->dst_address.as_u32 == t1->local.ip4.as_u32))
-		goto next1;	/* valid packet */
-	      if (PREDICT_FALSE
-		  (ip4_address_is_multicast (&ip4_1->dst_address)))
-		{
-		  key4_1.remote = ip4_1->dst_address.as_u32;
-		  key4_1.vni = vnet_get_geneve_vni_network_order (geneve1);
-		  /* Make sure mcast GENEVE tunnel exist by packet DIP and VNI */
-		  p1 = hash_get (vxm->geneve4_tunnel_by_key, key4_1.as_u64);
-		  if (PREDICT_TRUE (p1 != NULL))
-		    {
-		      mt1 = pool_elt_at_index (vxm->tunnels, p1[0]);
-		      goto next1;	/* valid packet */
-		    }
-		}
-	      error1 = GENEVE_ERROR_NO_SUCH_TUNNEL;
-	      next1 = GENEVE_INPUT_NEXT_DROP;
-	      goto trace1;
-
-	    }
-	  else			/* !is_ip4 */
-	    {
-	      key6_1.remote.as_u64[0] = ip6_1->src_address.as_u64[0];
-	      key6_1.remote.as_u64[1] = ip6_1->src_address.as_u64[1];
-	      key6_1.vni = vnet_get_geneve_vni_network_order (geneve1);
-
-	      /* Make sure GENEVE tunnel exist according to packet SIP and VNI */
-	      if (PREDICT_FALSE
-		  (memcmp (&key6_1, &last_key6, sizeof (last_key6)) != 0))
-		{
-		  p1 = hash_get_mem (vxm->geneve6_tunnel_by_key, &key6_1);
-
-		  if (PREDICT_FALSE (p1 == NULL))
-		    {
-		      error1 = GENEVE_ERROR_NO_SUCH_TUNNEL;
-		      next1 = GENEVE_INPUT_NEXT_DROP;
-		      goto trace1;
-		    }
-
-		  clib_memcpy_fast (&last_key6, &key6_1, sizeof (key6_1));
-		  tunnel_index1 = last_tunnel_index = p1[0];
-		}
-	      else
-		tunnel_index1 = last_tunnel_index;
-	      t1 = pool_elt_at_index (vxm->tunnels, tunnel_index1);
-
-	      /* Validate GENEVE tunnel encap-fib index against packet */
-	      if (PREDICT_FALSE (validate_geneve_fib (b1, t1, is_ip4) == 0))
-		{
-		  error1 = GENEVE_ERROR_NO_SUCH_TUNNEL;
-		  next1 = GENEVE_INPUT_NEXT_DROP;
-		  goto trace1;
-		}
-
-	      /* Validate GENEVE tunnel SIP against packet DIP */
-	      if (PREDICT_TRUE (ip6_address_is_equal (&ip6_1->dst_address,
-						      &t1->local.ip6)))
-		goto next1;	/* valid packet */
-	      if (PREDICT_FALSE
-		  (ip6_address_is_multicast (&ip6_1->dst_address)))
-		{
-		  key6_1.remote.as_u64[0] = ip6_1->dst_address.as_u64[0];
-		  key6_1.remote.as_u64[1] = ip6_1->dst_address.as_u64[1];
-		  key6_1.vni = vnet_get_geneve_vni_network_order (geneve1);
-		  p1 = hash_get_mem (vxm->geneve6_tunnel_by_key, &key6_1);
-		  if (PREDICT_TRUE (p1 != NULL))
-		    {
-		      mt1 = pool_elt_at_index (vxm->tunnels, p1[0]);
-		      goto next1;	/* valid packet */
-		    }
-		}
-	      error1 = GENEVE_ERROR_NO_SUCH_TUNNEL;
-	      next1 = GENEVE_INPUT_NEXT_DROP;
-	      goto trace1;
-	    }
-
-	next1:
-	  next1 = t1->decap_next_index;
-	  sw_if_index1 = t1->sw_if_index;
-	  len1 = vlib_buffer_length_in_chain (vm, b1);
-
-	  /* Required to make the l2 tag push / pop code work on l2 subifs */
-	  if (PREDICT_TRUE (next1 == GENEVE_INPUT_NEXT_L2_INPUT))
-	    vnet_update_l2_len (b1);
-
-	  /* Set packet input sw_if_index to unicast GENEVE tunnel for learning */
-	  vnet_buffer (b1)->sw_if_index[VLIB_RX] = sw_if_index1;
-	  sw_if_index1 = (mt1) ? mt1->sw_if_index : sw_if_index1;
-
-	  pkts_decapsulated++;
-	  stats_n_packets += 1;
-	  stats_n_bytes += len1;
-
-	  /* Batch stats increment on the same geneve tunnel so counter
-	     is not incremented per packet */
-	  if (PREDICT_FALSE (sw_if_index1 != stats_sw_if_index))
-	    {
-	      stats_n_packets -= 1;
-	      stats_n_bytes -= len1;
-	      if (stats_n_packets)
-		vlib_increment_combined_counter
-		  (im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_RX,
-		   thread_index, stats_sw_if_index,
-		   stats_n_packets, stats_n_bytes);
-	      stats_n_packets = 1;
-	      stats_n_bytes = len1;
-	      stats_sw_if_index = sw_if_index1;
-	    }
-
-	trace1:
-	  b1->error = error1 ? node->errors[error1] : 0;
-
-	  if (PREDICT_FALSE (b1->flags & VLIB_BUFFER_IS_TRACED))
-	    {
-	      geneve_rx_trace_t *tr
-		= vlib_add_trace (vm, node, b1, sizeof (*tr));
-	      tr->next_index = next1;
-	      tr->error = error1;
-	      tr->tunnel_index = tunnel_index1;
-	      tr->vni_rsvd = vnet_get_geneve_vni (geneve1);
-	    }
-
-	  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;
-	  u32 next0;
-	  ip4_header_t *ip4_0;
-	  ip6_header_t *ip6_0;
-	  geneve_header_t *geneve0;
-	  uword *p0;
-	  u32 tunnel_index0;
-	  geneve_tunnel_t *t0, *mt0 = NULL;
-	  geneve4_tunnel_key_t key4_0;
-	  geneve6_tunnel_key_t key6_0;
-	  u32 error0;
-	  u32 sw_if_index0, len0;
-
-	  bi0 = from[0];
-	  to_next[0] = bi0;
-	  from += 1;
-	  to_next += 1;
-	  n_left_from -= 1;
-	  n_left_to_next -= 1;
-
-	  b0 = b[0];
-	  b += 1;
-
-	  /* udp leaves current_data pointing at the geneve header */
-	  geneve0 = vlib_buffer_get_current (b0);
-	  vnet_geneve_hdr_1word_ntoh (geneve0);
-
-	  if (is_ip4)
-	    {
-	      vlib_buffer_advance
-		(b0, -(word) (sizeof (udp_header_t) + sizeof (ip4_header_t)));
-	      ip4_0 = vlib_buffer_get_current (b0);
-	    }
-	  else
-	    {
-	      vlib_buffer_advance
-		(b0, -(word) (sizeof (udp_header_t) + sizeof (ip6_header_t)));
-	      ip6_0 = vlib_buffer_get_current (b0);
-	    }
-
-	  /* pop (ip, udp, geneve) */
-	  if (is_ip4)
-	    {
-	      vlib_buffer_advance
-		(b0,
-		 sizeof (*ip4_0) + sizeof (udp_header_t) +
-		 GENEVE_BASE_HEADER_LENGTH +
-		 vnet_get_geneve_options_len (geneve0));
-	    }
-	  else
-	    {
-	      vlib_buffer_advance
-		(b0,
-		 sizeof (*ip6_0) + sizeof (udp_header_t) +
-		 GENEVE_BASE_HEADER_LENGTH +
-		 vnet_get_geneve_options_len (geneve0));
-	    }
-
-	  tunnel_index0 = ~0;
-	  error0 = 0;
-
-	  if (PREDICT_FALSE
-	      (vnet_get_geneve_version (geneve0) != GENEVE_VERSION))
-	    {
-	      error0 = GENEVE_ERROR_BAD_FLAGS;
-	      next0 = GENEVE_INPUT_NEXT_DROP;
-	      goto trace00;
-	    }
-#if SUPPORT_OPTIONS_HEADER==1
-	  if (PREDICT_FALSE (vnet_get_geneve_critical_bit (geneve0) == 1))
-	    {
-	      error0 = GENEVE_ERROR_BAD_FLAGS;
-	      next0 = GENEVE_INPUT_NEXT_DROP;
-	      goto trace00;
-	    }
-#endif
-	  if (is_ip4)
-	    {
-	      key4_0.remote = ip4_0->src_address.as_u32;
-	      key4_0.vni = vnet_get_geneve_vni_network_order (geneve0);
-
-	      /* Make sure unicast GENEVE tunnel exist by packet SIP and VNI */
-	      if (PREDICT_FALSE (key4_0.as_u64 != last_key4.as_u64))
-		{
-		  p0 = hash_get (vxm->geneve4_tunnel_by_key, key4_0.as_u64);
-		  if (PREDICT_FALSE (p0 == NULL))
-		    {
-		      error0 = GENEVE_ERROR_NO_SUCH_TUNNEL;
-		      next0 = GENEVE_INPUT_NEXT_DROP;
-		      goto trace00;
-		    }
-		  last_key4.as_u64 = key4_0.as_u64;
-		  tunnel_index0 = last_tunnel_index = p0[0];
-		}
-	      else
-		tunnel_index0 = last_tunnel_index;
-	      t0 = pool_elt_at_index (vxm->tunnels, tunnel_index0);
-
-	      /* Validate GENEVE tunnel encap-fib index agaist packet */
-	      if (PREDICT_FALSE (validate_geneve_fib (b0, t0, is_ip4) == 0))
-		{
-		  error0 = GENEVE_ERROR_NO_SUCH_TUNNEL;
-		  next0 = GENEVE_INPUT_NEXT_DROP;
-		  goto trace00;
-		}
-
-	      /* Validate GENEVE tunnel SIP against packet DIP */
-	      if (PREDICT_TRUE
-		  (ip4_0->dst_address.as_u32 == t0->local.ip4.as_u32))
-		goto next00;	/* valid packet */
-	      if (PREDICT_FALSE
-		  (ip4_address_is_multicast (&ip4_0->dst_address)))
-		{
-		  key4_0.remote = ip4_0->dst_address.as_u32;
-		  key4_0.vni = vnet_get_geneve_vni_network_order (geneve0);
-		  /* Make sure mcast GENEVE tunnel exist by packet DIP and VNI */
-		  p0 = hash_get (vxm->geneve4_tunnel_by_key, key4_0.as_u64);
-		  if (PREDICT_TRUE (p0 != NULL))
-		    {
-		      mt0 = pool_elt_at_index (vxm->tunnels, p0[0]);
-		      goto next00;	/* valid packet */
-		    }
-		}
-	      error0 = GENEVE_ERROR_NO_SUCH_TUNNEL;
-	      next0 = GENEVE_INPUT_NEXT_DROP;
-	      goto trace00;
-
-	    }
-	  else			/* !is_ip4 */
-	    {
-	      key6_0.remote.as_u64[0] = ip6_0->src_address.as_u64[0];
-	      key6_0.remote.as_u64[1] = ip6_0->src_address.as_u64[1];
-	      key6_0.vni = vnet_get_geneve_vni_network_order (geneve0);
-
-	      /* Make sure GENEVE tunnel exist according to packet SIP and VNI */
-	      if (PREDICT_FALSE
-		  (memcmp (&key6_0, &last_key6, sizeof (last_key6)) != 0))
-		{
-		  p0 = hash_get_mem (vxm->geneve6_tunnel_by_key, &key6_0);
-		  if (PREDICT_FALSE (p0 == NULL))
-		    {
-		      error0 = GENEVE_ERROR_NO_SUCH_TUNNEL;
-		      next0 = GENEVE_INPUT_NEXT_DROP;
-		      goto trace00;
-		    }
-		  clib_memcpy_fast (&last_key6, &key6_0, sizeof (key6_0));
-		  tunnel_index0 = last_tunnel_index = p0[0];
-		}
-	      else
-		tunnel_index0 = last_tunnel_index;
-	      t0 = pool_elt_at_index (vxm->tunnels, tunnel_index0);
-
-	      /* Validate GENEVE tunnel encap-fib index agaist packet */
-	      if (PREDICT_FALSE (validate_geneve_fib (b0, t0, is_ip4) == 0))
-		{
-		  error0 = GENEVE_ERROR_NO_SUCH_TUNNEL;
-		  next0 = GENEVE_INPUT_NEXT_DROP;
-		  goto trace00;
-		}
-
-	      /* Validate GENEVE tunnel SIP against packet DIP */
-	      if (PREDICT_TRUE (ip6_address_is_equal (&ip6_0->dst_address,
-						      &t0->local.ip6)))
-		goto next00;	/* valid packet */
-	      if (PREDICT_FALSE
-		  (ip6_address_is_multicast (&ip6_0->dst_address)))
-		{
-		  key6_0.remote.as_u64[0] = ip6_0->dst_address.as_u64[0];
-		  key6_0.remote.as_u64[1] = ip6_0->dst_address.as_u64[1];
-		  key6_0.vni = vnet_get_geneve_vni_network_order (geneve0);
-		  p0 = hash_get_mem (vxm->geneve6_tunnel_by_key, &key6_0);
-		  if (PREDICT_TRUE (p0 != NULL))
-		    {
-		      mt0 = pool_elt_at_index (vxm->tunnels, p0[0]);
-		      goto next00;	/* valid packet */
-		    }
-		}
-	      error0 = GENEVE_ERROR_NO_SUCH_TUNNEL;
-	      next0 = GENEVE_INPUT_NEXT_DROP;
-	      goto trace00;
-	    }
-
-	next00:
-	  next0 = t0->decap_next_index;
-	  sw_if_index0 = t0->sw_if_index;
-	  len0 = vlib_buffer_length_in_chain (vm, b0);
-
-	  /* Required to make the l2 tag push / pop code work on l2 subifs */
-	  if (PREDICT_TRUE (next0 == GENEVE_INPUT_NEXT_L2_INPUT))
-	    vnet_update_l2_len (b0);
-
-	  /* Set packet input sw_if_index to unicast GENEVE tunnel for learning */
-	  vnet_buffer (b0)->sw_if_index[VLIB_RX] = sw_if_index0;
-	  sw_if_index0 = (mt0) ? mt0->sw_if_index : sw_if_index0;
-
-	  pkts_decapsulated++;
-	  stats_n_packets += 1;
-	  stats_n_bytes += len0;
-
-	  /* Batch stats increment on the same geneve tunnel so counter
-	     is not incremented per packet */
-	  if (PREDICT_FALSE (sw_if_index0 != stats_sw_if_index))
-	    {
-	      stats_n_packets -= 1;
-	      stats_n_bytes -= len0;
-	      if (stats_n_packets)
-		vlib_increment_combined_counter
-		  (im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_RX,
-		   thread_index, stats_sw_if_index,
-		   stats_n_packets, stats_n_bytes);
-	      stats_n_packets = 1;
-	      stats_n_bytes = len0;
-	      stats_sw_if_index = sw_if_index0;
-	    }
-
-	trace00:
-	  b0->error = error0 ? node->errors[error0] : 0;
-
-	  if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
-	    {
-	      geneve_rx_trace_t *tr
-		= vlib_add_trace (vm, node, b0, sizeof (*tr));
-	      tr->next_index = next0;
-	      tr->error = error0;
-	      tr->tunnel_index = tunnel_index0;
-	      tr->vni_rsvd = vnet_get_geneve_vni (geneve0);
-	    }
-	  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);
-    }
-  /* Do we still need this now that tunnel tx stats is kept? */
-  vlib_node_increment_counter (vm, is_ip4 ?
-			       geneve4_input_node.
-			       index : geneve6_input_node.index,
-			       GENEVE_ERROR_DECAPSULATED, pkts_decapsulated);
-
-  /* Increment any remaining batch stats */
-  if (stats_n_packets)
-    {
-      vlib_increment_combined_counter
-	(im->combined_sw_if_counters + VNET_INTERFACE_COUNTER_RX,
-	 thread_index, stats_sw_if_index, stats_n_packets, stats_n_bytes);
-      node->runtime_data[0] = stats_sw_if_index;
-    }
-
-  return from_frame->n_vectors;
-}
-
-VLIB_NODE_FN (geneve4_input_node) (vlib_main_t * vm,
-				   vlib_node_runtime_t * node,
-				   vlib_frame_t * from_frame)
-{
-  return geneve_input (vm, node, from_frame, /* is_ip4 */ 1);
-}
-
-VLIB_NODE_FN (geneve6_input_node) (vlib_main_t * vm,
-				   vlib_node_runtime_t * node,
-				   vlib_frame_t * from_frame)
-{
-  return geneve_input (vm, node, from_frame, /* is_ip4 */ 0);
-}
-
-static char *geneve_error_strings[] = {
-#define geneve_error(n,s) s,
-#include <vnet/geneve/geneve_error.def>
-#undef geneve_error
-#undef _
-};
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (geneve4_input_node) = {
-  .name = "geneve4-input",
-  /* Takes a vector of packets. */
-  .vector_size = sizeof (u32),
-  .n_errors = GENEVE_N_ERROR,
-  .error_strings = geneve_error_strings,
-  .n_next_nodes = GENEVE_INPUT_N_NEXT,
-  .next_nodes = {
-#define _(s,n) [GENEVE_INPUT_NEXT_##s] = n,
-    foreach_geneve_input_next
-#undef _
-  },
-
-//temp  .format_buffer = format_geneve_header,
-  .format_trace = format_geneve_rx_trace,
-  // $$$$ .unformat_buffer = unformat_geneve_header,
-};
-
-VLIB_REGISTER_NODE (geneve6_input_node) = {
-  .name = "geneve6-input",
-  /* Takes a vector of packets. */
-  .vector_size = sizeof (u32),
-  .n_errors = GENEVE_N_ERROR,
-  .error_strings = geneve_error_strings,
-  .n_next_nodes = GENEVE_INPUT_N_NEXT,
-  .next_nodes = {
-#define _(s,n) [GENEVE_INPUT_NEXT_##s] = n,
-  foreach_geneve_input_next
-#undef _
-  },
-//temp  .format_buffer = format_geneve_header,
-  .format_trace = format_geneve_rx_trace,
-  // $$$$ .unformat_buffer = unformat_geneve_header,
-};
-/* *INDENT-ON* */
-
-typedef enum
-{
-  IP_GENEVE_BYPASS_NEXT_DROP,
-  IP_GENEVE_BYPASS_NEXT_GENEVE,
-  IP_GENEVE_BYPASS_N_NEXT,
-} ip_vxan_bypass_next_t;
-
-always_inline uword
-ip_geneve_bypass_inline (vlib_main_t * vm,
-			 vlib_node_runtime_t * node,
-			 vlib_frame_t * frame, u32 is_ip4)
-{
-  geneve_main_t *vxm = &geneve_main;
-  u32 *from, *to_next, n_left_from, n_left_to_next, next_index;
-  vlib_node_runtime_t *error_node =
-    vlib_node_get_runtime (vm, ip4_input_node.index);
-  vtep4_key_t last_vtep4;	/* last IPv4 address / fib index
-				   matching a local VTEP address */
-  vtep6_key_t last_vtep6;	/* last IPv6 address / fib index
-				   matching a local VTEP address */
-  vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b = bufs;
-#ifdef CLIB_HAVE_VEC512
-  vtep4_cache_t vtep4_u512;
-  clib_memset (&vtep4_u512, 0, sizeof (vtep4_u512));
-#endif
-
-  from = vlib_frame_vector_args (frame);
-  n_left_from = frame->n_vectors;
-  next_index = node->cached_next_index;
-
-  vlib_get_buffers (vm, from, bufs, n_left_from);
-
-  if (node->flags & VLIB_NODE_FLAG_TRACE)
-    ip4_forward_next_trace (vm, node, frame, VLIB_TX);
-
-  if (is_ip4)
-    vtep4_key_init (&last_vtep4);
-  else
-    vtep6_key_init (&last_vtep6);
-
-  while (n_left_from > 0)
-    {
-      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;
-	  ip4_header_t *ip40, *ip41;
-	  ip6_header_t *ip60, *ip61;
-	  udp_header_t *udp0, *udp1;
-	  u32 bi0, ip_len0, udp_len0, flags0, next0;
-	  u32 bi1, ip_len1, udp_len1, flags1, next1;
-	  i32 len_diff0, len_diff1;
-	  u8 error0, good_udp0, proto0;
-	  u8 error1, good_udp1, proto1;
-
-	  /* Prefetch next iteration. */
-	  {
-	    vlib_prefetch_buffer_header (b[2], LOAD);
-	    vlib_prefetch_buffer_header (b[3], LOAD);
-
-	    CLIB_PREFETCH (b[2]->data, 2 * CLIB_CACHE_LINE_BYTES, LOAD);
-	    CLIB_PREFETCH (b[3]->data, 2 * CLIB_CACHE_LINE_BYTES, LOAD);
-	  }
-
-	  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 = b[0];
-	  b1 = b[1];
-	  b += 2;
-	  if (is_ip4)
-	    {
-	      ip40 = vlib_buffer_get_current (b0);
-	      ip41 = vlib_buffer_get_current (b1);
-	    }
-	  else
-	    {
-	      ip60 = vlib_buffer_get_current (b0);
-	      ip61 = vlib_buffer_get_current (b1);
-	    }
-
-	  /* Setup packet for next IP feature */
-	  vnet_feature_next (&next0, b0);
-	  vnet_feature_next (&next1, b1);
-
-	  if (is_ip4)
-	    {
-	      /* Treat IP frag packets as "experimental" protocol for now
-	         until support of IP frag reassembly is implemented */
-	      proto0 = ip4_is_fragment (ip40) ? 0xfe : ip40->protocol;
-	      proto1 = ip4_is_fragment (ip41) ? 0xfe : ip41->protocol;
-	    }
-	  else
-	    {
-	      proto0 = ip60->protocol;
-	      proto1 = ip61->protocol;
-	    }
-
-	  /* Process packet 0 */
-	  if (proto0 != IP_PROTOCOL_UDP)
-	    goto exit0;		/* not UDP packet */
-
-	  if (is_ip4)
-	    udp0 = ip4_next_header (ip40);
-	  else
-	    udp0 = ip6_next_header (ip60);
-
-	  if (udp0->dst_port != clib_host_to_net_u16 (UDP_DST_PORT_geneve))
-	    goto exit0;		/* not GENEVE packet */
-
-	  /* Validate DIP against VTEPs */
-	  if (is_ip4)
-	    {
-#ifdef CLIB_HAVE_VEC512
-	      if (!vtep4_check_vector
-		  (&vxm->vtep_table, b0, ip40, &last_vtep4, &vtep4_u512))
-#else
-	      if (!vtep4_check (&vxm->vtep_table, b0, ip40, &last_vtep4))
-#endif
-		goto exit0;	/* no local VTEP for GENEVE packet */
-	    }
-	  else
-	    {
-	      if (!vtep6_check (&vxm->vtep_table, b0, ip60, &last_vtep6))
-		goto exit0;	/* no local VTEP for GENEVE packet */
-	    }
-
-	  flags0 = b0->flags;
-	  good_udp0 = (flags0 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0;
-
-	  /* Don't verify UDP checksum for packets with explicit zero checksum. */
-	  good_udp0 |= udp0->checksum == 0;
-
-	  /* Verify UDP length */
-	  if (is_ip4)
-	    ip_len0 = clib_net_to_host_u16 (ip40->length);
-	  else
-	    ip_len0 = clib_net_to_host_u16 (ip60->payload_length);
-	  udp_len0 = clib_net_to_host_u16 (udp0->length);
-	  len_diff0 = ip_len0 - udp_len0;
-
-	  /* Verify UDP checksum */
-	  if (PREDICT_FALSE (!good_udp0))
-	    {
-	      if ((flags0 & VNET_BUFFER_F_L4_CHECKSUM_COMPUTED) == 0)
-		{
-		  if (is_ip4)
-		    flags0 = ip4_tcp_udp_validate_checksum (vm, b0);
-		  else
-		    flags0 = ip6_tcp_udp_icmp_validate_checksum (vm, b0);
-		  good_udp0 =
-		    (flags0 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0;
-		}
-	    }
-
-	  if (is_ip4)
-	    {
-	      error0 = good_udp0 ? 0 : IP4_ERROR_UDP_CHECKSUM;
-	      error0 = (len_diff0 >= 0) ? error0 : IP4_ERROR_UDP_LENGTH;
-	    }
-	  else
-	    {
-	      error0 = good_udp0 ? 0 : IP6_ERROR_UDP_CHECKSUM;
-	      error0 = (len_diff0 >= 0) ? error0 : IP6_ERROR_UDP_LENGTH;
-	    }
-
-	  next0 = error0 ?
-	    IP_GENEVE_BYPASS_NEXT_DROP : IP_GENEVE_BYPASS_NEXT_GENEVE;
-	  b0->error = error0 ? error_node->errors[error0] : 0;
-
-	  /* geneve-input node expect current at GENEVE header */
-	  if (is_ip4)
-	    vlib_buffer_advance (b0,
-				 sizeof (ip4_header_t) +
-				 sizeof (udp_header_t));
-	  else
-	    vlib_buffer_advance (b0,
-				 sizeof (ip6_header_t) +
-				 sizeof (udp_header_t));
-
-	exit0:
-	  /* Process packet 1 */
-	  if (proto1 != IP_PROTOCOL_UDP)
-	    goto exit1;		/* not UDP packet */
-
-	  if (is_ip4)
-	    udp1 = ip4_next_header (ip41);
-	  else
-	    udp1 = ip6_next_header (ip61);
-
-	  if (udp1->dst_port != clib_host_to_net_u16 (UDP_DST_PORT_geneve))
-	    goto exit1;		/* not GENEVE packet */
-
-	  /* Validate DIP against VTEPs */
-	  if (is_ip4)
-	    {
-#ifdef CLIB_HAVE_VEC512
-	      if (!vtep4_check_vector
-		  (&vxm->vtep_table, b1, ip41, &last_vtep4, &vtep4_u512))
-#else
-	      if (!vtep4_check (&vxm->vtep_table, b1, ip41, &last_vtep4))
-#endif
-		goto exit1;	/* no local VTEP for GENEVE packet */
-	    }
-	  else
-	    {
-	      if (!vtep6_check (&vxm->vtep_table, b1, ip61, &last_vtep6))
-		goto exit1;	/* no local VTEP for GENEVE packet */
-	    }
-
-	  flags1 = b1->flags;
-	  good_udp1 = (flags1 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0;
-
-	  /* Don't verify UDP checksum for packets with explicit zero checksum. */
-	  good_udp1 |= udp1->checksum == 0;
-
-	  /* Verify UDP length */
-	  if (is_ip4)
-	    ip_len1 = clib_net_to_host_u16 (ip41->length);
-	  else
-	    ip_len1 = clib_net_to_host_u16 (ip61->payload_length);
-	  udp_len1 = clib_net_to_host_u16 (udp1->length);
-	  len_diff1 = ip_len1 - udp_len1;
-
-	  /* Verify UDP checksum */
-	  if (PREDICT_FALSE (!good_udp1))
-	    {
-	      if ((flags1 & VNET_BUFFER_F_L4_CHECKSUM_COMPUTED) == 0)
-		{
-		  if (is_ip4)
-		    flags1 = ip4_tcp_udp_validate_checksum (vm, b1);
-		  else
-		    flags1 = ip6_tcp_udp_icmp_validate_checksum (vm, b1);
-		  good_udp1 =
-		    (flags1 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0;
-		}
-	    }
-
-	  if (is_ip4)
-	    {
-	      error1 = good_udp1 ? 0 : IP4_ERROR_UDP_CHECKSUM;
-	      error1 = (len_diff1 >= 0) ? error1 : IP4_ERROR_UDP_LENGTH;
-	    }
-	  else
-	    {
-	      error1 = good_udp1 ? 0 : IP6_ERROR_UDP_CHECKSUM;
-	      error1 = (len_diff1 >= 0) ? error1 : IP6_ERROR_UDP_LENGTH;
-	    }
-
-	  next1 = error1 ?
-	    IP_GENEVE_BYPASS_NEXT_DROP : IP_GENEVE_BYPASS_NEXT_GENEVE;
-	  b1->error = error1 ? error_node->errors[error1] : 0;
-
-	  /* geneve-input node expect current at GENEVE header */
-	  if (is_ip4)
-	    vlib_buffer_advance (b1,
-				 sizeof (ip4_header_t) +
-				 sizeof (udp_header_t));
-	  else
-	    vlib_buffer_advance (b1,
-				 sizeof (ip6_header_t) +
-				 sizeof (udp_header_t));
-
-	exit1:
-	  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;
-	  ip4_header_t *ip40;
-	  ip6_header_t *ip60;
-	  udp_header_t *udp0;
-	  u32 bi0, ip_len0, udp_len0, flags0, next0;
-	  i32 len_diff0;
-	  u8 error0, good_udp0, proto0;
-
-	  bi0 = to_next[0] = from[0];
-	  from += 1;
-	  n_left_from -= 1;
-	  to_next += 1;
-	  n_left_to_next -= 1;
-
-	  b0 = b[0];
-	  b++;
-	  if (is_ip4)
-	    ip40 = vlib_buffer_get_current (b0);
-	  else
-	    ip60 = vlib_buffer_get_current (b0);
-
-	  /* Setup packet for next IP feature */
-	  vnet_feature_next (&next0, b0);
-
-	  if (is_ip4)
-	    /* Treat IP4 frag packets as "experimental" protocol for now
-	       until support of IP frag reassembly is implemented */
-	    proto0 = ip4_is_fragment (ip40) ? 0xfe : ip40->protocol;
-	  else
-	    proto0 = ip60->protocol;
-
-	  if (proto0 != IP_PROTOCOL_UDP)
-	    goto exit;		/* not UDP packet */
-
-	  if (is_ip4)
-	    udp0 = ip4_next_header (ip40);
-	  else
-	    udp0 = ip6_next_header (ip60);
-
-	  if (udp0->dst_port != clib_host_to_net_u16 (UDP_DST_PORT_geneve))
-	    goto exit;		/* not GENEVE packet */
-
-	  /* Validate DIP against VTEPs */
-	  if (is_ip4)
-	    {
-#ifdef CLIB_HAVE_VEC512
-	      if (!vtep4_check_vector
-		  (&vxm->vtep_table, b0, ip40, &last_vtep4, &vtep4_u512))
-#else
-	      if (!vtep4_check (&vxm->vtep_table, b0, ip40, &last_vtep4))
-#endif
-		goto exit;	/* no local VTEP for GENEVE packet */
-	    }
-	  else
-	    {
-	      if (!vtep6_check (&vxm->vtep_table, b0, ip60, &last_vtep6))
-		goto exit;	/* no local VTEP for GENEVE packet */
-	    }
-
-	  flags0 = b0->flags;
-	  good_udp0 = (flags0 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0;
-
-	  /* Don't verify UDP checksum for packets with explicit zero checksum. */
-	  good_udp0 |= udp0->checksum == 0;
-
-	  /* Verify UDP length */
-	  if (is_ip4)
-	    ip_len0 = clib_net_to_host_u16 (ip40->length);
-	  else
-	    ip_len0 = clib_net_to_host_u16 (ip60->payload_length);
-	  udp_len0 = clib_net_to_host_u16 (udp0->length);
-	  len_diff0 = ip_len0 - udp_len0;
-
-	  /* Verify UDP checksum */
-	  if (PREDICT_FALSE (!good_udp0))
-	    {
-	      if ((flags0 & VNET_BUFFER_F_L4_CHECKSUM_COMPUTED) == 0)
-		{
-		  if (is_ip4)
-		    flags0 = ip4_tcp_udp_validate_checksum (vm, b0);
-		  else
-		    flags0 = ip6_tcp_udp_icmp_validate_checksum (vm, b0);
-		  good_udp0 =
-		    (flags0 & VNET_BUFFER_F_L4_CHECKSUM_CORRECT) != 0;
-		}
-	    }
-
-	  if (is_ip4)
-	    {
-	      error0 = good_udp0 ? 0 : IP4_ERROR_UDP_CHECKSUM;
-	      error0 = (len_diff0 >= 0) ? error0 : IP4_ERROR_UDP_LENGTH;
-	    }
-	  else
-	    {
-	      error0 = good_udp0 ? 0 : IP6_ERROR_UDP_CHECKSUM;
-	      error0 = (len_diff0 >= 0) ? error0 : IP6_ERROR_UDP_LENGTH;
-	    }
-
-	  next0 = error0 ?
-	    IP_GENEVE_BYPASS_NEXT_DROP : IP_GENEVE_BYPASS_NEXT_GENEVE;
-	  b0->error = error0 ? error_node->errors[error0] : 0;
-
-	  /* geneve-input node expect current at GENEVE header */
-	  if (is_ip4)
-	    vlib_buffer_advance (b0,
-				 sizeof (ip4_header_t) +
-				 sizeof (udp_header_t));
-	  else
-	    vlib_buffer_advance (b0,
-				 sizeof (ip6_header_t) +
-				 sizeof (udp_header_t));
-
-	exit:
-	  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);
-    }
-
-  return frame->n_vectors;
-}
-
-VLIB_NODE_FN (ip4_geneve_bypass_node) (vlib_main_t * vm,
-				       vlib_node_runtime_t * node,
-				       vlib_frame_t * frame)
-{
-  return ip_geneve_bypass_inline (vm, node, frame, /* is_ip4 */ 1);
-}
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (ip4_geneve_bypass_node) =
-{
-  .name = "ip4-geneve-bypass",
-  .vector_size = sizeof (u32),
-  .n_next_nodes = IP_GENEVE_BYPASS_N_NEXT,.next_nodes =
-  {
-    [IP_GENEVE_BYPASS_NEXT_DROP] = "error-drop",
-    [IP_GENEVE_BYPASS_NEXT_GENEVE] = "geneve4-input",
-  },
-  .format_buffer = format_ip4_header,
-  .format_trace = format_ip4_forward_next_trace,
-};
-/* *INDENT-ON* */
-
-VLIB_NODE_FN (ip6_geneve_bypass_node) (vlib_main_t * vm,
-				       vlib_node_runtime_t * node,
-				       vlib_frame_t * frame)
-{
-  return ip_geneve_bypass_inline (vm, node, frame, /* is_ip4 */ 0);
-}
-
-/* *INDENT-OFF* */
-VLIB_REGISTER_NODE (ip6_geneve_bypass_node) =
-{
-  .name = "ip6-geneve-bypass",
-  .vector_size = sizeof (u32),
-  .n_next_nodes = IP_GENEVE_BYPASS_N_NEXT,
-  .next_nodes =
-  {
-    [IP_GENEVE_BYPASS_NEXT_DROP] = "error-drop",
-    [IP_GENEVE_BYPASS_NEXT_GENEVE] = "geneve6-input",
-  },
-  .format_buffer = format_ip6_header,
-  .format_trace = format_ip6_forward_next_trace,
-};
-/* *INDENT-ON* */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */