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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 __IPSEC_SPD_H__
#define __IPSEC_SPD_H__
#include <vppinfra/bihash_40_8.h>
#include <vppinfra/bihash_16_8.h>
#include <vlib/vlib.h>
#define foreach_ipsec_spd_policy_type \
_(IP4_OUTBOUND, "ip4-outbound") \
_(IP6_OUTBOUND, "ip6-outbound") \
_(IP4_INBOUND_PROTECT, "ip4-inbound-protect") \
_(IP6_INBOUND_PROTECT, "ip6-inbound-protect") \
_(IP4_INBOUND_BYPASS, "ip4-inbound-bypass") \
_(IP6_INBOUND_BYPASS, "ip6-inbound-bypass") \
_(IP4_INBOUND_DISCARD, "ip4-inbound-discard") \
_(IP6_INBOUND_DISCARD, "ip6-inbound-discard")
typedef enum ipsec_spd_policy_t_
{
#define _(s,v) IPSEC_SPD_POLICY_##s,
foreach_ipsec_spd_policy_type
#undef _
IPSEC_SPD_POLICY_N_TYPES,
} ipsec_spd_policy_type_t;
#define FOR_EACH_IPSEC_SPD_POLICY_TYPE(_t) \
for (_t = 0; _t < IPSEC_SPD_POLICY_N_TYPES; _t++)
extern u8 *format_ipsec_policy_type (u8 * s, va_list * args);
typedef struct
{
/* index in the mask types pool */
u32 mask_type_idx;
/* counts references correspond to given mask type index */
u32 refcount;
} ipsec_fp_mask_id_t;
/**
* @brief A fast path Security Policy Database
*/
typedef struct
{
/** vectors for each of the fast path policy types */
u32 *fp_policies[IPSEC_SPD_POLICY_N_TYPES];
ipsec_fp_mask_id_t *fp_mask_ids[IPSEC_SPD_POLICY_N_TYPES];
/* names of bihash tables */
u8 *name4_out;
u8 *name4_in;
u8 *name6_out;
u8 *name6_in;
u32 ip6_out_lookup_hash_idx; /* fp ip6 lookup hash out index in the pool */
u32 ip4_out_lookup_hash_idx; /* fp ip4 lookup hash out index in the pool */
u32 ip6_in_lookup_hash_idx; /* fp ip6 lookup hash in index in the pool */
u32 ip4_in_lookup_hash_idx; /* fp ip4 lookup hash in index in the pool */
} ipsec_spd_fp_t;
/**
* @brief A Security Policy Database
*/
typedef struct
{
/** the User's ID for this policy */
u32 id;
/** vectors for each of the policy types */
u32 *policies[IPSEC_SPD_POLICY_N_TYPES];
ipsec_spd_fp_t fp_spd;
} ipsec_spd_t;
/**
* @brief Add/Delete a SPD
*/
extern int ipsec_add_del_spd (vlib_main_t * vm, u32 spd_id, int is_add);
/**
* @brief Bind/attach a SPD to an interface
*/
extern int ipsec_set_interface_spd (vlib_main_t * vm,
u32 sw_if_index, u32 spd_id, int is_add);
extern u8 *format_ipsec_spd (u8 * s, va_list * args);
extern u8 *format_ipsec_out_spd_flow_cache (u8 *s, va_list *args);
extern u8 *format_ipsec_in_spd_flow_cache (u8 *s, va_list *args);
#endif /* __IPSEC_SPD_H__ */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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