src/vnet/ipsec/ipsec_if.h

   1 /*
   2  * Copyright (c) 2015 Cisco and/or its affiliates.
   3  * Licensed under the Apache License, Version 2.0 (the "License");
   4  * you may not use this file except in compliance with the License.
   5  * You may obtain a copy of the License at:
   6  *
   7  *     http://www.apache.org/licenses/LICENSE-2.0
   8  *
   9  * Unless required by applicable law or agreed to in writing, software
  10  * distributed under the License is distributed on an "AS IS" BASIS,
  11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12  * See the License for the specific language governing permissions and
  13  * limitations under the License.
  14  */
  15 #ifndef __IPSEC_IF_H__
  16 #define __IPSEC_IF_H__
  17
  18 #include <vnet/ipsec/ipsec_sa.h>
  19
  20 typedef enum
  21 {
  22   IPSEC_IF_SET_KEY_TYPE_NONE,
  23   IPSEC_IF_SET_KEY_TYPE_LOCAL_CRYPTO,
  24   IPSEC_IF_SET_KEY_TYPE_REMOTE_CRYPTO,
  25   IPSEC_IF_SET_KEY_TYPE_LOCAL_INTEG,
  26   IPSEC_IF_SET_KEY_TYPE_REMOTE_INTEG,
  27 } ipsec_if_set_key_type_t;
  28
  29 typedef struct
  30 {
  31   /* Required for pool_get_aligned */
  32   CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
  33   u32 input_sa_index;
  34   u32 output_sa_index;
  35   u32 hw_if_index;
  36   u32 sw_if_index;
  37   vnet_hw_interface_flags_t flags;
  38   u32 show_instance;
  39 } ipsec_tunnel_if_t;
  40
  41 typedef struct
  42 {
  43   u8 is_add;
  44   u8 is_ip6;
  45   u8 esn;
  46   u8 anti_replay;
  47   ip46_address_t local_ip, remote_ip;
  48   u32 local_spi;
  49   u32 remote_spi;
  50   ipsec_crypto_alg_t crypto_alg;
  51   u8 local_crypto_key_len;
  52   u8 local_crypto_key[128];
  53   u8 remote_crypto_key_len;
  54   u8 remote_crypto_key[128];
  55   ipsec_integ_alg_t integ_alg;
  56   u8 local_integ_key_len;
  57   u8 local_integ_key[128];
  58   u8 remote_integ_key_len;
  59   u8 remote_integ_key[128];
  60   u8 renumber;
  61   u32 show_instance;
  62   u8 udp_encap;
  63   u32 tx_table_id;
  64   u32 salt;
  65 } ipsec_add_del_tunnel_args_t;
  66
  67 /* *INDENT-OFF* */
  68 typedef CLIB_PACKED
  69 (struct {
  70   /*
  71    * Key fields: remote ip and spi on incoming packet
  72    * all fields in NET byte order
  73    */
  74   union {
  75     struct {
  76       u32 remote_ip;
  77       u32 spi;
  78     };
  79     u64 as_u64;
  80   };
  81 }) ipsec4_tunnel_key_t;
  82 /* *INDENT-ON* */
  83
  84 /* *INDENT-OFF* */
  85 typedef CLIB_PACKED
  86 (struct {
  87   /*
  88    * Key fields: remote ip and spi on incoming packet
  89    * all fields in NET byte order
  90    */
  91   ip6_address_t remote_ip;
  92   u32 spi;
  93 }) ipsec6_tunnel_key_t;
  94 /* *INDENT-ON* */
  95
  96 typedef struct
  97 {
  98   u8 is_add;
  99   u32 local_sa_id;
 100   u32 remote_sa_id;
 101   ip4_address_t src;
 102   ip4_address_t dst;
 103 } ipsec_gre_tunnel_add_del_args_t;
 104
 105 extern int ipsec_add_del_tunnel_if_internal (vnet_main_t * vnm,
 106                                              ipsec_add_del_tunnel_args_t *
 107                                              args, u32 * sw_if_index);
 108 extern int ipsec_add_del_tunnel_if (ipsec_add_del_tunnel_args_t * args);
 109 extern int ipsec_add_del_ipsec_gre_tunnel (vnet_main_t * vnm,
 110                                            const
 111                                            ipsec_gre_tunnel_add_del_args_t *
 112                                            args);
 113
 114 extern int ipsec_set_interface_key (vnet_main_t * vnm, u32 hw_if_index,
 115                                     ipsec_if_set_key_type_t type,
 116                                     u8 alg, u8 * key);
 117 extern int ipsec_set_interface_sa (vnet_main_t * vnm, u32 hw_if_index,
 118                                    u32 sa_id, u8 is_outbound);
 119
 120 extern u8 *format_ipsec_tunnel (u8 * s, va_list * args);
 121
 122 #endif /* __IPSEC_IF_H__ */
 123
 124 /*
 125  * fd.io coding-style-patch-verification: ON
 126  *
 127  * Local Variables:
 128  * eval: (c-set-style "gnu")
 129  * End:
 130  */