src/plugins/srv6-am/node.c - fdio/vpp - Gitiles

 /*
  * Copyright (c) 2015 Cisco and/or its affiliates.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at:
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 #include <vlib/vlib.h>
 #include <vnet/vnet.h>
 #include <vppinfra/error.h>
 #include <srv6-am/am.h>


 /******************************* Packet tracing *******************************/

 typedef struct
 {
   u32 localsid_index;
 } srv6_am_localsid_trace_t;

 typedef struct
 {
   ip6_address_t src, dst;
 } srv6_am_rewrite_trace_t;

 static u8 *
 format_srv6_am_localsid_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 *);
   srv6_am_localsid_trace_t *t = va_arg (*args, srv6_am_localsid_trace_t *);

   return format (s, "SRv6-AM-localsid: localsid_index %d", t->localsid_index);
 }

 static u8 *
 format_srv6_am_rewrite_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 *);
   srv6_am_rewrite_trace_t *t = va_arg (*args, srv6_am_rewrite_trace_t *);

   return format (s, "SRv6-AM-rewrite: src %U dst %U",
 		 format_ip6_address, &t->src, format_ip6_address, &t->dst);
 }


 /***************************** Node registration ******************************/

 vlib_node_registration_t srv6_am_rewrite_node;


 /****************************** Packet counters *******************************/

 #define foreach_srv6_am_rewrite_counter \
 _(PROCESSED, "srv6-am rewritten packets") \
 _(NO_SRH, "(Error) No SRH.")

 typedef enum
 {
 #define _(sym,str) SRV6_AM_REWRITE_COUNTER_##sym,
   foreach_srv6_am_rewrite_counter
 #undef _
     SRV6_AM_REWRITE_N_COUNTERS,
 } srv6_am_rewrite_counters;

 static char *srv6_am_rewrite_counter_strings[] = {
 #define _(sym,string) string,
   foreach_srv6_am_rewrite_counter
 #undef _
 };


 /********************************* Next nodes *********************************/

 typedef enum
 {
   SRV6_AM_LOCALSID_NEXT_ERROR,
   SRV6_AM_LOCALSID_NEXT_REWRITE,
   SRV6_AM_LOCALSID_N_NEXT,
 } srv6_am_localsid_next_t;

 typedef enum
 {
   SRV6_AM_REWRITE_NEXT_ERROR,
   SRV6_AM_REWRITE_NEXT_LOOKUP,
   SRV6_AM_REWRITE_N_NEXT,
 } srv6_am_rewrite_next_t;


 /******************************* Local SID node *******************************/

 /**
  * @brief SRv6 masquerading.
  */
 static_always_inline void
 end_am_processing (vlib_buffer_t * b0,
 		   ip6_header_t * ip0,
 		   ip6_sr_header_t * sr0,
 		   ip6_sr_localsid_t * ls0, u32 * next0)
 {
   ip6_address_t *new_dst0;

   if (PREDICT_FALSE (ip0->protocol != IP_PROTOCOL_IPV6_ROUTE ||
 		     sr0->type != ROUTING_HEADER_TYPE_SR))
     {
       *next0 = SRV6_AM_LOCALSID_NEXT_ERROR;
       return;
     }

   if (PREDICT_FALSE (sr0->segments_left == 0))
     {
       *next0 = SRV6_AM_LOCALSID_NEXT_ERROR;
       return;
     }

   /* Decrement Segments Left */
   sr0->segments_left -= 1;

   /* Set Destination Address to Last Segment (index 0) */
   new_dst0 = (ip6_address_t *) (sr0->segments);
   ip0->dst_address.as_u64[0] = new_dst0->as_u64[0];
   ip0->dst_address.as_u64[1] = new_dst0->as_u64[1];

   /* Set Xconnect adjacency to VNF */
   vnet_buffer (b0)->ip.adj_index[VLIB_TX] = ls0->nh_adj;
 }

 /**
  * @brief Graph node for applying SRv6 masquerading.
  */
 static uword
 srv6_am_localsid_fn (vlib_main_t * vm,
 		     vlib_node_runtime_t * node, vlib_frame_t * frame)
 {
   ip6_sr_main_t *sm = &sr_main;
   u32 n_left_from, next_index, *from, *to_next;
   u32 cnt_packets = 0;

   from = vlib_frame_vector_args (frame);
   n_left_from = frame->n_vectors;
   next_index = node->cached_next_index;

   u32 thread_index = vm->thread_index;

   while (n_left_from > 0)
     {
       u32 n_left_to_next;

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

       /* TODO: Dual/quad loop */

       while (n_left_from > 0 && n_left_to_next > 0)
 	{
 	  u32 bi0;
 	  vlib_buffer_t *b0;
 	  ip6_header_t *ip0 = 0;
 	  ip6_sr_header_t *sr0;
 	  ip6_sr_localsid_t *ls0;
 	  u32 next0 = SRV6_AM_LOCALSID_NEXT_REWRITE;

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

 	  b0 = vlib_get_buffer (vm, bi0);
 	  ip0 = vlib_buffer_get_current (b0);
 	  sr0 = (ip6_sr_header_t *) (ip0 + 1);

 	  /* Lookup the SR End behavior based on IP DA (adj) */
 	  ls0 = pool_elt_at_index (sm->localsids,
 				   vnet_buffer (b0)->ip.adj_index[VLIB_TX]);

 	  /* SRH processing */
 	  end_am_processing (b0, ip0, sr0, ls0, &next0);

 	  if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
 	    {
 	      srv6_am_localsid_trace_t *tr =
 		vlib_add_trace (vm, node, b0, sizeof *tr);
 	      tr->localsid_index = ls0 - sm->localsids;
 	    }

 	  /* This increments the SRv6 per LocalSID counters. */
 	  vlib_increment_combined_counter (((next0 ==
 					     SRV6_AM_LOCALSID_NEXT_ERROR) ?
 					    &(sm->sr_ls_invalid_counters) :
 					    &(sm->sr_ls_valid_counters)),
 					   thread_index, ls0 - sm->localsids,
 					   1, vlib_buffer_length_in_chain (vm,
 									   b0));

 	  vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
 					   n_left_to_next, bi0, next0);

 	  cnt_packets++;
 	}

       vlib_put_next_frame (vm, node, next_index, n_left_to_next);
     }

   return frame->n_vectors;
 }

 /* *INDENT-OFF* */
 VLIB_REGISTER_NODE (srv6_am_localsid_node) = {
   .function = srv6_am_localsid_fn,
   .name = "srv6-am-localsid",
   .vector_size = sizeof (u32),
   .format_trace = format_srv6_am_localsid_trace,
   .type = VLIB_NODE_TYPE_INTERNAL,
   .n_next_nodes = SRV6_AM_LOCALSID_N_NEXT,
   .next_nodes = {
     [SRV6_AM_LOCALSID_NEXT_REWRITE] = "ip6-rewrite",
     [SRV6_AM_LOCALSID_NEXT_ERROR] = "error-drop",
   },
 };
 /* *INDENT-ON* */


 /******************************* Rewriting node *******************************/

 /**
  * @brief SRv6 de-masquerading.
  */
 static_always_inline void
 end_am_rewriting (vlib_node_runtime_t * node,
 		  vlib_buffer_t * b0,
 		  ip6_header_t * ip0, ip6_sr_header_t * sr0, u32 * next0)
 {
   if (PREDICT_FALSE (ip0->protocol != IP_PROTOCOL_IPV6_ROUTE ||
 		     sr0->type != ROUTING_HEADER_TYPE_SR))
     {
       b0->error = node->errors[SRV6_AM_REWRITE_COUNTER_NO_SRH];
       *next0 = SRV6_AM_REWRITE_NEXT_ERROR;
       return;
     }

   /* Restore Destination Address to active segment (index SL) */
   if (sr0->segments_left != 0)
     {
       ip6_address_t *new_dst0;
       new_dst0 = (ip6_address_t *) (sr0->segments) + sr0->segments_left;
       ip0->dst_address.as_u64[0] = new_dst0->as_u64[0];
       ip0->dst_address.as_u64[1] = new_dst0->as_u64[1];
     }
 }

 /**
  * @brief Graph node for applying SRv6 de-masquerading.
  */
 static uword
 srv6_am_rewrite_fn (vlib_main_t * vm,
 		    vlib_node_runtime_t * node, vlib_frame_t * frame)
 {
   u32 n_left_from, next_index, *from, *to_next;
   u32 cnt_packets = 0;

   from = vlib_frame_vector_args (frame);
   n_left_from = frame->n_vectors;
   next_index = node->cached_next_index;

   while (n_left_from > 0)
     {
       u32 n_left_to_next;

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

       /* TODO: Dual/quad loop */

       while (n_left_from > 0 && n_left_to_next > 0)
 	{
 	  u32 bi0;
 	  vlib_buffer_t *b0;
 	  ip6_header_t *ip0 = 0;
 	  ip6_sr_header_t *sr0;
 	  u32 next0 = SRV6_AM_REWRITE_NEXT_LOOKUP;

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

 	  b0 = vlib_get_buffer (vm, bi0);
 	  ip0 = vlib_buffer_get_current (b0);
 	  sr0 = (ip6_sr_header_t *) (ip0 + 1);

 	  /* SRH processing */
 	  end_am_rewriting (node, b0, ip0, sr0, &next0);

 	  if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE) &&
 	      PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
 	    {
 	      srv6_am_rewrite_trace_t *tr =
 		vlib_add_trace (vm, node, b0, sizeof *tr);
 	      clib_memcpy_fast (tr->src.as_u8, ip0->src_address.as_u8,
 				sizeof tr->src.as_u8);
 	      clib_memcpy_fast (tr->dst.as_u8, ip0->dst_address.as_u8,
 				sizeof tr->dst.as_u8);
 	    }

 	  vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
 					   n_left_to_next, bi0, next0);

 	  cnt_packets++;
 	}

       vlib_put_next_frame (vm, node, next_index, n_left_to_next);
     }

   /* Update counters */
   vlib_node_increment_counter (vm, srv6_am_rewrite_node.index,
 			       SRV6_AM_REWRITE_COUNTER_PROCESSED,
 			       cnt_packets);

   return frame->n_vectors;
 }

 /* *INDENT-OFF* */
 VLIB_REGISTER_NODE (srv6_am_rewrite_node) = {
   .function = srv6_am_rewrite_fn,
   .name = "srv6-am-rewrite",
   .vector_size = sizeof (u32),
   .format_trace = format_srv6_am_rewrite_trace,
   .type = VLIB_NODE_TYPE_INTERNAL,
   .n_errors = SRV6_AM_REWRITE_N_COUNTERS,
   .error_strings = srv6_am_rewrite_counter_strings,
   .n_next_nodes = SRV6_AM_REWRITE_N_NEXT,
   .next_nodes = {
       [SRV6_AM_REWRITE_NEXT_LOOKUP] = "ip6-lookup",
       [SRV6_AM_REWRITE_NEXT_ERROR] = "error-drop",
   },
 };
 /* *INDENT-ON* */

 /*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */
	/*
	* Copyright (c) 2015 Cisco and/or its affiliates.
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at:
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/
	#include <vlib/vlib.h>
	#include <vnet/vnet.h>
	#include <vppinfra/error.h>
	#include <srv6-am/am.h>


	/***************************** Packet tracing *****************************/

	typedef struct
	{
	u32 localsid_index;
	} srv6_am_localsid_trace_t;

	typedef struct
	{
	ip6_address_t src, dst;
	} srv6_am_rewrite_trace_t;

	static u8 *
	format_srv6_am_localsid_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 );
	srv6_am_localsid_trace_t t = va_arg (args, srv6_am_localsid_trace_t *);

	return format (s, "SRv6-AM-localsid: localsid_index %d", t->localsid_index);
	}

	static u8 *
	format_srv6_am_rewrite_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 );
	srv6_am_rewrite_trace_t t = va_arg (args, srv6_am_rewrite_trace_t *);

	return format (s, "SRv6-AM-rewrite: src %U dst %U",
	format_ip6_address, &t->src, format_ip6_address, &t->dst);
	}


	/*************************** Node registration ****************************/

	vlib_node_registration_t srv6_am_rewrite_node;


	/**************************** Packet counters *****************************/

	#define foreach_srv6_am_rewrite_counter \
	_(PROCESSED, "srv6-am rewritten packets") \
	_(NO_SRH, "(Error) No SRH.")

	typedef enum
	{
	#define _(sym,str) SRV6_AM_REWRITE_COUNTER_##sym,
	foreach_srv6_am_rewrite_counter
	#undef _
	SRV6_AM_REWRITE_N_COUNTERS,
	} srv6_am_rewrite_counters;

	static char *srv6_am_rewrite_counter_strings[] = {
	#define _(sym,string) string,
	foreach_srv6_am_rewrite_counter
	#undef _
	};


	/******************************* Next nodes *******************************/

	typedef enum
	{
	SRV6_AM_LOCALSID_NEXT_ERROR,
	SRV6_AM_LOCALSID_NEXT_REWRITE,
	SRV6_AM_LOCALSID_N_NEXT,
	} srv6_am_localsid_next_t;

	typedef enum
	{
	SRV6_AM_REWRITE_NEXT_ERROR,
	SRV6_AM_REWRITE_NEXT_LOOKUP,
	SRV6_AM_REWRITE_N_NEXT,
	} srv6_am_rewrite_next_t;


	/***************************** Local SID node *****************************/

	/**
	* @brief SRv6 masquerading.
	*/
	static_always_inline void
	end_am_processing (vlib_buffer_t * b0,
	ip6_header_t * ip0,
	ip6_sr_header_t * sr0,
	ip6_sr_localsid_t * ls0, u32 * next0)
	{
	ip6_address_t *new_dst0;

	if (PREDICT_FALSE (ip0->protocol != IP_PROTOCOL_IPV6_ROUTE \|\|
	sr0->type != ROUTING_HEADER_TYPE_SR))
	{
	*next0 = SRV6_AM_LOCALSID_NEXT_ERROR;
	return;
	}

	if (PREDICT_FALSE (sr0->segments_left == 0))
	{
	*next0 = SRV6_AM_LOCALSID_NEXT_ERROR;
	return;
	}

	/* Decrement Segments Left */
	sr0->segments_left -= 1;

	/* Set Destination Address to Last Segment (index 0) */
	new_dst0 = (ip6_address_t *) (sr0->segments);
	ip0->dst_address.as_u64[0] = new_dst0->as_u64[0];
	ip0->dst_address.as_u64[1] = new_dst0->as_u64[1];

	/* Set Xconnect adjacency to VNF */
	vnet_buffer (b0)->ip.adj_index[VLIB_TX] = ls0->nh_adj;
	}

	/**
	* @brief Graph node for applying SRv6 masquerading.
	*/
	static uword
	srv6_am_localsid_fn (vlib_main_t * vm,
	vlib_node_runtime_t * node, vlib_frame_t * frame)
	{
	ip6_sr_main_t *sm = &sr_main;
	u32 n_left_from, next_index, from, to_next;
	u32 cnt_packets = 0;

	from = vlib_frame_vector_args (frame);
	n_left_from = frame->n_vectors;
	next_index = node->cached_next_index;

	u32 thread_index = vm->thread_index;

	while (n_left_from > 0)
	{
	u32 n_left_to_next;

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

	/* TODO: Dual/quad loop */

	while (n_left_from > 0 && n_left_to_next > 0)
	{
	u32 bi0;
	vlib_buffer_t *b0;
	ip6_header_t *ip0 = 0;
	ip6_sr_header_t *sr0;
	ip6_sr_localsid_t *ls0;
	u32 next0 = SRV6_AM_LOCALSID_NEXT_REWRITE;

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

	b0 = vlib_get_buffer (vm, bi0);
	ip0 = vlib_buffer_get_current (b0);
	sr0 = (ip6_sr_header_t *) (ip0 + 1);

	/* Lookup the SR End behavior based on IP DA (adj) */
	ls0 = pool_elt_at_index (sm->localsids,
	vnet_buffer (b0)->ip.adj_index[VLIB_TX]);

	/* SRH processing */
	end_am_processing (b0, ip0, sr0, ls0, &next0);

	if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
	{
	srv6_am_localsid_trace_t *tr =
	vlib_add_trace (vm, node, b0, sizeof *tr);
	tr->localsid_index = ls0 - sm->localsids;
	}

	/* This increments the SRv6 per LocalSID counters. */
	vlib_increment_combined_counter (((next0 ==
	SRV6_AM_LOCALSID_NEXT_ERROR) ?
	&(sm->sr_ls_invalid_counters) :
	&(sm->sr_ls_valid_counters)),
	thread_index, ls0 - sm->localsids,
	1, vlib_buffer_length_in_chain (vm,
	b0));

	vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
	n_left_to_next, bi0, next0);

	cnt_packets++;
	}

	vlib_put_next_frame (vm, node, next_index, n_left_to_next);
	}

	return frame->n_vectors;
	}

	/* INDENT-OFF */
	VLIB_REGISTER_NODE (srv6_am_localsid_node) = {
	.function = srv6_am_localsid_fn,
	.name = "srv6-am-localsid",
	.vector_size = sizeof (u32),
	.format_trace = format_srv6_am_localsid_trace,
	.type = VLIB_NODE_TYPE_INTERNAL,
	.n_next_nodes = SRV6_AM_LOCALSID_N_NEXT,
	.next_nodes = {
	[SRV6_AM_LOCALSID_NEXT_REWRITE] = "ip6-rewrite",
	[SRV6_AM_LOCALSID_NEXT_ERROR] = "error-drop",
	},
	};
	/* INDENT-ON */


	/***************************** Rewriting node *****************************/

	/**
	* @brief SRv6 de-masquerading.
	*/
	static_always_inline void
	end_am_rewriting (vlib_node_runtime_t * node,
	vlib_buffer_t * b0,
	ip6_header_t * ip0, ip6_sr_header_t * sr0, u32 * next0)
	{
	if (PREDICT_FALSE (ip0->protocol != IP_PROTOCOL_IPV6_ROUTE \|\|
	sr0->type != ROUTING_HEADER_TYPE_SR))
	{
	b0->error = node->errors[SRV6_AM_REWRITE_COUNTER_NO_SRH];
	*next0 = SRV6_AM_REWRITE_NEXT_ERROR;
	return;
	}

	/* Restore Destination Address to active segment (index SL) */
	if (sr0->segments_left != 0)
	{
	ip6_address_t *new_dst0;
	new_dst0 = (ip6_address_t *) (sr0->segments) + sr0->segments_left;
	ip0->dst_address.as_u64[0] = new_dst0->as_u64[0];
	ip0->dst_address.as_u64[1] = new_dst0->as_u64[1];
	}
	}

	/**
	* @brief Graph node for applying SRv6 de-masquerading.
	*/
	static uword
	srv6_am_rewrite_fn (vlib_main_t * vm,
	vlib_node_runtime_t * node, vlib_frame_t * frame)
	{
	u32 n_left_from, next_index, from, to_next;
	u32 cnt_packets = 0;

	from = vlib_frame_vector_args (frame);
	n_left_from = frame->n_vectors;
	next_index = node->cached_next_index;

	while (n_left_from > 0)
	{
	u32 n_left_to_next;

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

	/* TODO: Dual/quad loop */

	while (n_left_from > 0 && n_left_to_next > 0)
	{
	u32 bi0;
	vlib_buffer_t *b0;
	ip6_header_t *ip0 = 0;
	ip6_sr_header_t *sr0;
	u32 next0 = SRV6_AM_REWRITE_NEXT_LOOKUP;

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

	b0 = vlib_get_buffer (vm, bi0);
	ip0 = vlib_buffer_get_current (b0);
	sr0 = (ip6_sr_header_t *) (ip0 + 1);

	/* SRH processing */
	end_am_rewriting (node, b0, ip0, sr0, &next0);

	if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE) &&
	PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
	{
	srv6_am_rewrite_trace_t *tr =
	vlib_add_trace (vm, node, b0, sizeof *tr);
	clib_memcpy_fast (tr->src.as_u8, ip0->src_address.as_u8,
	sizeof tr->src.as_u8);
	clib_memcpy_fast (tr->dst.as_u8, ip0->dst_address.as_u8,
	sizeof tr->dst.as_u8);
	}

	vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
	n_left_to_next, bi0, next0);

	cnt_packets++;
	}

	vlib_put_next_frame (vm, node, next_index, n_left_to_next);
	}

	/* Update counters */
	vlib_node_increment_counter (vm, srv6_am_rewrite_node.index,
	SRV6_AM_REWRITE_COUNTER_PROCESSED,
	cnt_packets);

	return frame->n_vectors;
	}

	/* INDENT-OFF */
	VLIB_REGISTER_NODE (srv6_am_rewrite_node) = {
	.function = srv6_am_rewrite_fn,
	.name = "srv6-am-rewrite",
	.vector_size = sizeof (u32),
	.format_trace = format_srv6_am_rewrite_trace,
	.type = VLIB_NODE_TYPE_INTERNAL,
	.n_errors = SRV6_AM_REWRITE_N_COUNTERS,
	.error_strings = srv6_am_rewrite_counter_strings,
	.n_next_nodes = SRV6_AM_REWRITE_N_NEXT,
	.next_nodes = {
	[SRV6_AM_REWRITE_NEXT_LOOKUP] = "ip6-lookup",
	[SRV6_AM_REWRITE_NEXT_ERROR] = "error-drop",
	},
	};
	/* INDENT-ON */

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