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[gerrit]
host=gerrit.fd.io
port=29418
project=vpp
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/*
 * 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.
 */
#ifndef __included_srv6_ad_h__
#define __included_srv6_ad_h__

#include <vnet/vnet.h>
#include <vnet/ip/ip.h>
#include <vnet/srv6/sr.h>
#include <vnet/srv6/sr_packet.h>

#include <vppinfra/error.h>
#include <vppinfra/elog.h>

#define AD_TYPE_L2	2
#define AD_TYPE_IP4	4
#define AD_TYPE_IP6	6

/*
 * This is the memory that will be stored per each localsid
 * the user instantiates
 */
typedef struct
{
  ip46_address_t nh_addr;			  /**< Proxied device address */
  u32 sw_if_index_out;						    /**< Outgoing iface to proxied dev. */
  u32 nh_adj;									/**< Adjacency index for out. iface */
  u8 inner_type;

  u32 sw_if_index_in;						    /**< Incoming iface from proxied dev. */
  u32 rw_len;		      /**< Number of bits to be rewritten */
  u8 *rewrite;								/**< Headers to be rewritten */

  u32 index;
} srv6_ad_localsid_t;

typedef struct
{
  u16 msg_id_base;			  /**< API message ID base */

  vlib_main_t *vlib_main;		  /**< [convenience] vlib main */
  vnet_main_t *vnet_main;		  /**< [convenience] vnet main */

  dpo_type_t srv6_ad_dpo_type;		  /**< DPO type */

  u32 srv6_localsid_behavior_id;	  /**< SRv6 LocalSID behavior number */

  u32 *sw_iface_localsid2;		  /**< Retrieve local SID from iface */
  u32 *sw_iface_localsid4;		  /**< Retrieve local SID from iface */
  u32 *sw_iface_localsid6;		  /**< Retrieve local SID from iface */

  srv6_ad_localsid_t **sids;	/**< Pool of AD SID pointers */

  vlib_combined_counter_main_t valid_counters;	/**< Valid rewrite counters */
  vlib_combined_counter_main_t invalid_counters;/**< Invalid rewrite counters */
} srv6_ad_main_t;

srv6_ad_main_t srv6_ad_main;

format_function_t format_srv6_ad_localsid;
unformat_function_t unformat_srv6_ad_localsid;

void srv6_ad_dpo_lock (dpo_id_t * dpo);
void srv6_ad_dpo_unlock (dpo_id_t * dpo);

extern vlib_node_registration_t srv6_ad_localsid_node;

#endif /* __included_srv6_ad_h__ */

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