e1cc875360
There is an API call to change neighbor database configuration (i.e. limit on peer number, aging, and recycling). With this change, make getting current values of these settings available via the API. Type: improvement Change-Id: Ie9394e086b68cf9b28ad98dea162f203f8043cbb Signed-off-by: Alexander Chernavin <achernavin@netgate.com>
126 lines
4.3 KiB
C
126 lines
4.3 KiB
C
/*
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* ip_neighboor.h: ip neighbor generic services
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*
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* Copyright (c) 2018 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __INCLUDE_IP_NEIGHBOR_H__
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#define __INCLUDE_IP_NEIGHBOR_H__
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#include <vnet/ip-neighbor/ip_neighbor_types.h>
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#include <vnet/adj/adj.h>
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/*****
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* APIs external modules can invoke on the neighbor subsystem
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*/
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extern ip_neighbor_t *ip_neighbor_get (index_t ipni);
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extern int ip_neighbor_add (const ip_address_t * ip,
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const mac_address_t * mac,
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u32 sw_if_index,
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ip_neighbor_flags_t flags, u32 * stats_index);
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extern int ip_neighbor_del (const ip_address_t * ip, u32 sw_if_index);
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extern int ip_neighbor_config (ip_address_family_t af,
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u32 limit, u32 age, bool recycle);
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extern int ip_neighbor_get_config (ip_address_family_t af, u32 *limit,
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u32 *age, bool *recycle);
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extern void ip_neighbor_del_all (ip_address_family_t af, u32 sw_if_index);
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typedef walk_rc_t (*ip_neighbor_walk_cb_t) (index_t ipni, void *ctx);
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extern void ip_neighbor_walk (ip_address_family_t af,
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u32 sw_if_index,
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ip_neighbor_walk_cb_t fn, void *ctx);
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extern const ip_address_t *ip_neighbor_get_ip (const ip_neighbor_t * ipn);
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extern ip_address_family_t ip_neighbor_get_af (const ip_neighbor_t * ipn);
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extern const mac_address_t *ip_neighbor_get_mac (const ip_neighbor_t * ipn);
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extern const u32 ip_neighbor_get_sw_if_index (const ip_neighbor_t * ipn);
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extern void ip_neighbor_learn (const ip_neighbor_learn_t * l);
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extern void ip_neighbor_update (vnet_main_t * vnm, adj_index_t ai);
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extern void ip_neighbor_probe (const ip_adjacency_t * adj);
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extern void ip_neighbor_probe_dst (u32 sw_if_index, u32 thread_index,
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ip_address_family_t af,
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const ip46_address_t *ip);
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extern void ip_neighbor_mark (ip_address_family_t af);
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extern void ip_neighbor_sweep (ip_address_family_t af);
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extern walk_rc_t ip_neighbor_mark_one (index_t ipni, void *ctx);
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/**
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* From the watcher to the API to publish a new neighbor
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*/
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extern void ip_neighbor_handle_event (ip_neighbor_event_t * ipne);
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/**
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* The set of function that vnet requires from the IP neighbour module.
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* Note that an implementation of these functions will not exist
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* if the ip-neighbour plugin is not loaded. so check the error codes!
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*/
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extern int ip4_neighbor_proxy_add (u32 fib_index,
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const ip4_address_t * start,
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const ip4_address_t * end);
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extern int ip4_neighbor_proxy_delete (u32 fib_index,
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const ip4_address_t * start,
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const ip4_address_t * end);
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extern int ip4_neighbor_proxy_enable (u32 sw_if_index);
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extern int ip4_neighbor_proxy_disable (u32 sw_if_index);
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extern int ip6_neighbor_proxy_add (u32 sw_if_index,
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const ip6_address_t * addr);
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extern int ip6_neighbor_proxy_del (u32 sw_if_index,
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const ip6_address_t * addr);
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/**
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* neighbor protocol implementation registration functions
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* this are provided by ARP and IP-ND
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*/
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typedef int (*ip4_neighbor_proxy_addr_t) (u32 fib_index,
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const ip4_address_t * start,
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const ip4_address_t * end);
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typedef int (*ip4_neighbor_proxy_cfg_t) (u32 sw_if_index);
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typedef int (*ip6_neighbor_proxy_cfg_t) (u32 sw_if_index,
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const ip6_address_t * addr);
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/**
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* Virtual function Table for neighbor protocol implementations to register
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*/
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typedef struct ip_neighbor_vft_t_
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{
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ip4_neighbor_proxy_cfg_t inv_proxy4_enable;
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ip4_neighbor_proxy_cfg_t inv_proxy4_disable;
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ip4_neighbor_proxy_addr_t inv_proxy4_add;
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ip4_neighbor_proxy_addr_t inv_proxy4_del;
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ip6_neighbor_proxy_cfg_t inv_proxy6_add;
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ip6_neighbor_proxy_cfg_t inv_proxy6_del;
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} ip_neighbor_vft_t;
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extern void ip_neighbor_register (ip_address_family_t af,
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const ip_neighbor_vft_t * vft);
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#endif /* __INCLUDE_IP_NEIGHBOR_H__ */
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
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