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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 __included_oam_h__
#define __included_oam_h__
#include <vlib/vlib.h>
#include <vnet/vnet.h>
#include <vnet/ip/ip.h>
#include <vnet/interface.h>
/* 36 octets, make a note of it... */
/* *INDENT-OFF* */
typedef CLIB_PACKED (struct {
ip4_header_t ip4;
icmp46_header_t icmp;
u16 id;
u16 seq;
u8 data[8];
}) oam_template_t;
/* *INDENT-ON* */
/* *INDENT-OFF* */
typedef CLIB_PACKED (struct {
u64 v8[4];
u32 v4;
}) oam_template_copy_t;
/* *INDENT-ON* */
typedef enum
{
OAM_STATE_UNKNOWN = 0,
OAM_STATE_ALIVE,
OAM_STATE_DEAD,
} oam_state_t;
typedef struct
{
ip4_address_t src_address;
ip4_address_t dst_address;
u32 fib_id;
u32 fib_index;
f64 last_heard_time;
u16 seq;
u16 last_heard_seq;
u16 id;
u8 state;
oam_template_t *template;
} oam_target_t;
typedef struct
{
/* OAM targets */
oam_target_t *targets;
uword *target_by_address_and_fib_id;
/* Config parameters */
f64 interval;
u32 misses_allowed;
/* random number seed */
u32 random_seed;
u16 icmp_id;
/* oam packet template */
vlib_packet_template_t packet_template;
/* convenience */
vlib_main_t *vlib_main;
vnet_main_t *vnet_main;
} oam_main_t;
int vpe_oam_add_del_target (ip4_address_t * src_address,
ip4_address_t * dst_address,
u32 fib_id, int is_add);
#endif /* __included_oam_h__ */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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