text: /*
   * 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 __IPSEC_IF_H__
  #define __IPSEC_IF_H__
  
  #include <vnet/ipsec/ipsec_sa.h>
  
  typedef enum
  {
    IPSEC_IF_SET_KEY_TYPE_NONE,
    IPSEC_IF_SET_KEY_TYPE_LOCAL_CRYPTO,
    IPSEC_IF_SET_KEY_TYPE_REMOTE_CRYPTO,
    IPSEC_IF_SET_KEY_TYPE_LOCAL_INTEG,
    IPSEC_IF_SET_KEY_TYPE_REMOTE_INTEG,
  } ipsec_if_set_key_type_t;
  
  typedef struct
  {
    /* Required for pool_get_aligned */
    CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
    u32 input_sa_index;
    u32 output_sa_index;
    u32 hw_if_index;
    u32 sw_if_index;
    vnet_hw_interface_flags_t flags;
    u32 show_instance;
  } ipsec_tunnel_if_t;
  
  typedef struct
  {
    u8 is_add;
    u8 is_ip6;
    u8 esn;
    u8 anti_replay;
    ip46_address_t local_ip, remote_ip;
    u32 local_spi;
    u32 remote_spi;
    ipsec_crypto_alg_t crypto_alg;
    u8 local_crypto_key_len;
    u8 local_crypto_key[128];
    u8 remote_crypto_key_len;
    u8 remote_crypto_key[128];
    ipsec_integ_alg_t integ_alg;
    u8 local_integ_key_len;
    u8 local_integ_key[128];
    u8 remote_integ_key_len;
    u8 remote_integ_key[128];
    u8 renumber;
    u32 show_instance;
    u8 udp_encap;
    u32 tx_table_id;
    u32 salt;
  } ipsec_add_del_tunnel_args_t;
  
  /* *INDENT-OFF* */
  typedef CLIB_PACKED
  (struct {
    /*
     * Key fields: remote ip and spi on incoming packet
     * all fields in NET byte order
     */
    union {
      struct {
        u32 remote_ip;
        u32 spi;
      };
      u64 as_u64;
    };
  }) ipsec4_tunnel_key_t;
  /* *INDENT-ON* */
  
  /* *INDENT-OFF* */
  typedef CLIB_PACKED
  (struct {
    /*
     * Key fields: remote ip and spi on incoming packet
     * all fields in NET byte order
     */
    ip6_address_t remote_ip;
    u32 spi;
  }) ipsec6_tunnel_key_t;
  /* *INDENT-ON* */
  
  typedef struct
  {
    u8 is_add;
    u32 local_sa_id;
    u32 remote_sa_id;
    ip4_address_t src;
    ip4_address_t dst;
  } ipsec_gre_tunnel_add_del_args_t;
  
  extern int ipsec_add_del_tunnel_if_internal (vnet_main_t * vnm,
  					     ipsec_add_del_tunnel_args_t *
  					     args, u32 * sw_if_index);
  extern int ipsec_add_del_tunnel_if (ipsec_add_del_tunnel_args_t * args);
  extern int ipsec_add_del_ipsec_gre_tunnel (vnet_main_t * vnm,
  					   const
  					   ipsec_gre_tunnel_add_del_args_t *
  					   args);
  
  extern int ipsec_set_interface_key (vnet_main_t * vnm, u32 hw_if_index,
  				    ipsec_if_set_key_type_t type,
  				    u8 alg, u8 * key);
  extern int ipsec_set_interface_sa (vnet_main_t * vnm, u32 hw_if_index,
  				   u32 sa_id, u8 is_outbound);
  
  extern u8 *format_ipsec_tunnel (u8 * s, va_list * args);
  
  #endif /* __IPSEC_IF_H__ */
  
  /*
   * fd.io coding-style-patch-verification: ON
   *
   * Local Variables:
   * eval: (c-set-style "gnu")
   * End:
   */
  