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/*
*
* ip6_neighboor.h: ip6 neighbor structures
*
* 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 included_ip6_neighbor_h
#define included_ip6_neighbor_h
#include <vnet/fib/fib_types.h>
typedef struct
{
ip6_address_t ip6_address;
u32 sw_if_index;
u32 pad;
} ip6_neighbor_key_t;
typedef enum ip6_neighbor_flags_t_
{
IP6_NEIGHBOR_FLAG_STATIC = (1 << 0),
IP6_NEIGHBOR_FLAG_DYNAMIC = (1 << 1),
IP6_NEIGHBOR_FLAG_NO_FIB_ENTRY = (1 << 2),
} __attribute__ ((packed)) ip6_neighbor_flags_t;
typedef struct
{
ip6_neighbor_key_t key;
u8 link_layer_address[8];
ip6_neighbor_flags_t flags;
f64 time_last_updated;
fib_node_index_t fib_entry_index;
} ip6_neighbor_t;
extern ip6_address_t ip6_neighbor_get_link_local_address (u32 sw_if_index);
extern ip6_neighbor_t *ip6_neighbors_pool (void);
extern ip6_neighbor_t *ip6_neighbors_entries (u32 sw_if_index);
extern int ip6_neighbor_ra_config (vlib_main_t * vm, u32 sw_if_index,
u8 suppress, u8 managed, u8 other,
u8 ll_option, u8 send_unicast, u8 cease,
u8 use_lifetime, u32 lifetime,
u32 initial_count, u32 initial_interval,
u32 max_interval, u32 min_interval,
u8 is_no);
extern int ip6_neighbor_ra_prefix (vlib_main_t * vm, u32 sw_if_index,
ip6_address_t * prefix_addr, u8 prefix_len,
u8 use_default, u32 val_lifetime,
u32 pref_lifetime, u8 no_advertise,
u8 off_link, u8 no_autoconfig,
u8 no_onlink, u8 is_no);
extern clib_error_t *ip6_set_neighbor_limit (u32 neighbor_limit);
extern void vnet_register_ip6_neighbor_resolution_event (vnet_main_t * vnm,
void *address_arg,
uword node_index,
uword type_opaque,
uword data);
extern int vnet_set_ip6_ethernet_neighbor (vlib_main_t * vm,
u32 sw_if_index,
ip6_address_t * a,
u8 * link_layer_address,
uword n_bytes_link_layer_address,
int is_static,
int is_no_fib_entry);
extern int vnet_unset_ip6_ethernet_neighbor (vlib_main_t * vm,
u32 sw_if_index,
ip6_address_t * a,
u8 * link_layer_address,
uword
n_bytes_link_layer_address);
extern int ip6_neighbor_proxy_add_del (u32 sw_if_index,
ip6_address_t * addr, u8 is_add);
u32 ip6_neighbor_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index,
u32 is_add);
typedef struct
{
u32 sw_if_index;
ip6_address_t ip6;
u8 mac[6];
} wc_nd_report_t;
void wc_nd_set_publisher_node (uword node_index, uword event_type);
typedef struct
{
u32 irt;
u32 mrt;
u32 mrc;
u32 mrd;
} icmp6_send_router_solicitation_params_t;
void icmp6_send_router_solicitation (vlib_main_t * vm, u32 sw_if_index,
u8 stop,
icmp6_send_router_solicitation_params_t *
params);
typedef struct
{
ip6_address_t dst_address;
u8 dst_address_length;
u8 flags;
u32 valid_time;
u32 preferred_time;
} ra_report_prefix_info_t;
typedef struct
{
u32 sw_if_index;
u8 router_address[16];
u8 current_hop_limit;
u8 flags;
u16 router_lifetime_in_sec;
u32 neighbor_reachable_time_in_msec;
u32 time_in_msec_between_retransmitted_neighbor_solicitations;
u8 slla[6];
u32 mtu;
ra_report_prefix_info_t *prefixes;
} ra_report_t;
void ra_set_publisher_node (uword node_index, uword event_type);
typedef struct _vnet_ip6_neighbor_function_list_elt
{
struct _vnet_ip6_neighbor_function_list_elt *next_ip6_neighbor_function;
clib_error_t *(*fp) (void *data);
} _vnet_ip6_neighbor_function_list_elt_t;
typedef struct
{
_vnet_ip6_neighbor_function_list_elt_t *ra_report_functions;
} ip6_neighbor_public_main_t;
extern ip6_neighbor_public_main_t ip6_neighbor_public_main;
#define _VNET_IP6_NEIGHBOR_FUNCTION_DECL(f,tag) \
\
static void __vnet_ip6_neighbor_function_init_##tag##_##f (void) \
__attribute__((__constructor__)) ; \
\
static void __vnet_ip6_neighbor_function_init_##tag##_##f (void) \
{ \
ip6_neighbor_public_main_t * nm = &ip6_neighbor_public_main; \
static _vnet_ip6_neighbor_function_list_elt_t init_function; \
init_function.next_ip6_neighbor_function = nm->tag##_functions; \
nm->tag##_functions = &init_function; \
init_function.fp = (void *) &f; \
} \
\
static void __vnet_ip6_neighbor_function_deinit_##tag##_##f (void) \
__attribute__((__destructor__)) ; \
\
static void __vnet_ip6_neighbor_function_deinit_##tag##_##f (void) \
{ \
ip6_neighbor_public_main_t * nm = &ip6_neighbor_public_main; \
_vnet_ip6_neighbor_function_list_elt_t *next; \
if (nm->tag##_functions->fp == (void *) &f) \
{ \
nm->tag##_functions = \
nm->tag##_functions->next_ip6_neighbor_function; \
return; \
} \
next = nm->tag##_functions; \
while (next->next_ip6_neighbor_function) \
{ \
if (next->next_ip6_neighbor_function->fp == (void *) &f) \
{ \
next->next_ip6_neighbor_function = \
next->next_ip6_neighbor_function->next_ip6_neighbor_function; \
return; \
} \
next = next->next_ip6_neighbor_function; \
} \
}
#define VNET_IP6_NEIGHBOR_RA_FUNCTION(f) \
_VNET_IP6_NEIGHBOR_FUNCTION_DECL(f,ra_report)
clib_error_t *call_ip6_neighbor_callbacks (void *data,
_vnet_ip6_neighbor_function_list_elt_t
* elt);
#endif /* included_ip6_neighbor_h */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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