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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_vxlan_gpe_ioam_h__
#define __included_vxlan_gpe_ioam_h__
#include <vnet/vxlan-gpe/vxlan_gpe.h>
#include <vnet/vxlan-gpe/vxlan_gpe_packet.h>
#include <ioam/lib-vxlan-gpe/vxlan_gpe_ioam_packet.h>
#include <vnet/ip/ip.h>
typedef struct vxlan_gpe_sw_interface_
{
u32 sw_if_index;
} vxlan_gpe_ioam_sw_interface_t;
typedef struct vxlan_gpe_dest_tunnels_
{
ip46_address_t dst_addr;
u32 fp_proto;
u32 sibling_index;
fib_node_index_t fib_entry_index;
u32 outer_fib_index;
} vxlan_gpe_ioam_dest_tunnels_t;
typedef struct vxlan_gpe_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
/* Array of function pointers to ADD and POP VxLAN-GPE iOAM option handling routines */
u8 options_size[256];
int (*add_options[256]) (u8 * rewrite_string, u8 * rewrite_size);
int (*pop_options[256]) (ip4_header_t * ip, vxlan_gpe_ioam_option_t * opt);
/* Array of function pointers to iOAM option handling routines */
int (*options[256]) (vlib_buffer_t * b, vxlan_gpe_ioam_option_t * opt,
u8 is_ipv4, u8 use_adj);
u8 *(*trace[256]) (u8 * s, vxlan_gpe_ioam_option_t * opt);
/* 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. */
vxlan_gpe_ioam_sw_interface_t *sw_interfaces;
/* hash ip4/ip6 -> list of destinations for doing transit iOAM operation */
vxlan_gpe_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;
/** State convenience vlib_main_t */
vlib_main_t *vlib_main;
/** State convenience vnet_main_t */
vnet_main_t *vnet_main;
} vxlan_gpe_ioam_main_t;
extern vxlan_gpe_ioam_main_t vxlan_gpe_ioam_main;
/*
* Primary h-b-h handler trace support
*/
typedef struct
{
u32 next_index;
u32 trace_len;
u8 option_data[256];
} ioam_trace_t;
vlib_node_registration_t vxlan_gpe_encap_ioam_v4_node;
vlib_node_registration_t vxlan_gpe_decap_ioam_v4_node;
vlib_node_registration_t vxlan_gpe_transit_ioam_v4_node;
clib_error_t *vxlan_gpe_ioam_enable (int has_trace_option, int has_pot_option,
int has_ppc_option);
clib_error_t *vxlan_gpe_ioam_disable (int has_trace_option,
int has_pot_option, int has_ppc_option);
clib_error_t *vxlan_gpe_ioam_set (vxlan_gpe_tunnel_t * t,
int has_trace_option,
int has_pot_option,
int has_ppc_option, u8 ipv6_set);
clib_error_t *vxlan_gpe_ioam_clear (vxlan_gpe_tunnel_t * t,
int has_trace_option, int has_pot_option,
int has_ppc_option, u8 ipv6_set);
int vxlan_gpe_ioam_add_register_option (u8 option,
u8 size,
int rewrite_options (u8 *
rewrite_string,
u8 *
rewrite_size));
int vxlan_gpe_add_unregister_option (u8 option);
int vxlan_gpe_ioam_register_option (u8 option,
int options (vlib_buffer_t * b,
vxlan_gpe_ioam_option_t *
opt, u8 is_ipv4, u8 use_adj),
u8 * trace (u8 * s,
vxlan_gpe_ioam_option_t *
opt));
int vxlan_gpe_ioam_unregister_option (u8 option);
int vxlan_gpe_trace_profile_setup (void);
int vxlan_gpe_trace_profile_cleanup (void);
extern void vxlan_gpe_ioam_interface_init (void);
int
vxlan_gpe_enable_disable_ioam_for_dest (vlib_main_t * vm,
ip46_address_t dst_addr,
u32 outer_fib_index,
u8 is_ipv4, u8 is_add);
int vxlan_gpe_ioam_disable_for_dest
(vlib_main_t * vm, ip46_address_t dst_addr, u32 outer_fib_index,
u8 ipv4_set);
typedef enum
{
VXLAN_GPE_DECAP_IOAM_V4_NEXT_POP,
VXLAN_GPE_DECAP_IOAM_V4_NEXT_DROP,
VXLAN_GPE_DECAP_IOAM_V4_N_NEXT
} vxlan_gpe_decap_ioam_v4_next_t;
#endif
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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