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/*
* Copyright (c) 2017 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_nsh_md2_ioam_h__
#define __included_nsh_md2_ioam_h__
#include <nsh/nsh.h>
#include <nsh/nsh_packet.h>
#include <vnet/ip/ip.h>
#include <vnet/ip/ip4_packet.h>
#include <vnet/ip/ip6_packet.h>
typedef struct nsh_md2_ioam_sw_interface_
{
u32 sw_if_index;
} nsh_md2_ioam_sw_interface_t;
typedef struct nsh_md2_ioam_dest_tunnels_
{
ip46_address_t dst_addr;
u32 fp_proto;
u32 sibling_index;
fib_node_index_t fib_entry_index;
u32 outer_fib_index;
} nsh_md2_ioam_dest_tunnels_t;
typedef struct nsh_md2_ioam_main_
{
/**
* Linkage into the FIB object graph
*/
fib_node_t node;
/* time scale transform. Joy. */
u32 unix_time_0;
f64 vlib_time_0;
/* Trace option */
u8 has_trace_option;
/* Pot option */
u8 has_pot_option;
#define PPC_NONE 0
#define PPC_ENCAP 1
#define PPC_DECAP 2
u8 has_ppc_option;
#define TSP_SECONDS 0
#define TSP_MILLISECONDS 1
#define TSP_MICROSECONDS 2
#define TSP_NANOSECONDS 3
/* API message ID base */
u16 msg_id_base;
/* Override to export for iOAM */
uword decap_v4_next_override;
uword decap_v6_next_override;
/* sequence of node graph for encap */
uword encap_v4_next_node;
uword encap_v6_next_node;
/* Software interfaces. */
nsh_md2_ioam_sw_interface_t *sw_interfaces;
/* hash ip4/ip6 -> list of destinations for doing transit iOAM operation */
nsh_md2_ioam_dest_tunnels_t *dst_tunnels;
uword *dst_by_ip4;
uword *dst_by_ip6;
/** per sw_if_index, to maintain bitmap */
u8 *bool_ref_by_sw_if_index;
fib_node_type_t fib_entry_type;
} nsh_md2_ioam_main_t;
extern nsh_md2_ioam_main_t nsh_md2_ioam_main;
/*
* Primary h-b-h handler trace support
*/
typedef struct
{
u32 next_index;
u32 trace_len;
u8 option_data[256];
} ioam_trace_t;
clib_error_t *nsh_md2_ioam_enable_disable (int has_trace_option,
int has_pot_option,
int has_ppc_option);
int nsh_md2_ioam_trace_profile_setup (void);
int nsh_md2_ioam_trace_profile_cleanup (void);
extern void nsh_md2_ioam_interface_init (void);
#endif
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