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/*
* Copyright (c) 2016 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 ILA_H
#define ILA_H
#include <vnet/vnet.h>
#include <vnet/ip/ip.h>
#include <vnet/fib/fib_node.h>
#include <vppinfra/bihash_24_8.h>
#include <vppinfra/bihash_template.h>
#define ila_foreach_type \
_(IID, 0, "iid") \
_(LUID, 1, "luid") \
_(VNID4, 2, "vnid-ip4") \
_(VNID6, 3, "vnid-ip6") \
_(VNIDM, 4, "vnid-multicast")
typedef enum {
#define _(i,n,s) ILA_TYPE_##i = n,
ila_foreach_type
#undef _
} ila_type_t;
#define ila_csum_foreach_type \
_(NO_ACTION, 0, "no-action") \
_(NEUTRAL_MAP, 1, "neutral-map") \
_(ADJUST_TRANSPORT, 2, "adjust-transport")
typedef enum {
#define _(i,n,s) ILA_CSUM_MODE_##i = n,
ila_csum_foreach_type
#undef _
ILA_CSUM_N_TYPES
} ila_csum_mode_t;
#define ila_foreach_direction \
_(BIDIR, 0, "bidir") \
_(SIR2ILA, 1, "sir2ila") \
_(ILA2SIR, 2, "ila2sir")
typedef enum {
#define _(i,n,s) ILA_DIR_##i = n,
ila_foreach_direction
#undef _
} ila_direction_t;
typedef struct {
/**
* Fib Node base class
*/
fib_node_t ila_fib_node;
ila_type_t type;
ip6_address_t sir_address;
ip6_address_t ila_address;
ip6_address_t next_hop;
ila_csum_mode_t csum_mode;
ila_direction_t dir;
/**
* The FIB entry index for the next-hop
*/
fib_node_index_t next_hop_fib_entry_index;
/**
* The child index on the FIB entry
*/
u32 next_hop_child_index;
/**
* The next DPO in the grpah to follow
*/
dpo_id_t ila_dpo;
} ila_entry_t;
typedef struct {
ila_entry_t *entries; //Pool of ILA entries
u64 lookup_table_nbuckets;
u64 lookup_table_size;
clib_bihash_24_8_t id_to_entry_table;
u32 ila_sir2ila_feature_index;
u32 ip6_lookup_next_index;
} ila_main_t;
typedef struct {
ila_type_t type;
ip6_address_t sir_address;
ip6_address_t next_hop_address;
u64 locator;
u32 vnid;
u32 local_adj_index;
ila_csum_mode_t csum_mode;
ila_direction_t dir;
u8 is_del;
} ila_add_del_entry_args_t;
int ila_add_del_entry (ila_add_del_entry_args_t * args);
int ila_interface (u32 sw_if_index, u8 disable);
#endif //ILA_H
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