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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 __ARP_H__
#define __ARP_H__
#include <vnet/ethernet/ethernet.h>
#include <vnet/ethernet/arp_packet.h>
#include <vnet/ip/ip.h>
#include <vnet/ip/ip_neighbor.h>
typedef struct
{
u32 sw_if_index;
ip4_address_t ip4_address;
mac_address_t mac;
ip_neighbor_flags_t flags;
f64 time_last_updated;
/**
* The index of the adj-fib entry created
*/
fib_node_index_t fib_entry_index;
} ethernet_arp_ip4_entry_t;
extern u8 *format_ethernet_arp_ip4_entry (u8 * s, va_list * va);
ethernet_arp_ip4_entry_t *ip4_neighbors_pool (void);
ethernet_arp_ip4_entry_t *ip4_neighbor_entries (u32 sw_if_index);
extern int vnet_proxy_arp_add_del (ip4_address_t * lo_addr,
ip4_address_t * hi_addr,
u32 fib_index, int is_del);
extern int vnet_arp_set_ip4_over_ethernet (vnet_main_t * vnm,
u32 sw_if_index,
const
ethernet_arp_ip4_over_ethernet_address_t
* a, ip_neighbor_flags_t flags);
extern int vnet_arp_unset_ip4_over_ethernet (vnet_main_t * vnm,
u32 sw_if_index,
const
ethernet_arp_ip4_over_ethernet_address_t
* a);
extern int vnet_proxy_arp_fib_reset (u32 fib_id);
void vnet_register_ip4_arp_resolution_event (vnet_main_t * vnm,
void *address_arg,
uword node_index,
uword type_opaque, uword data);
typedef int (*arp_change_event_cb_t) (u32 pool_index,
const mac_address_t * mac,
u32 sw_if_index,
const ip4_address_t * address);
int vnet_add_del_ip4_arp_change_event (vnet_main_t * vnm,
arp_change_event_cb_t data_callback,
u32 pid,
void *address_arg,
uword node_index,
uword type_opaque,
uword data, int is_add);
void wc_arp_set_publisher_node (uword inode_index, uword event_type);
void ethernet_arp_change_mac (u32 sw_if_index);
void ethernet_ndp_change_mac (u32 sw_if_index);
void arp_update_adjacency (vnet_main_t * vnm, u32 sw_if_index, u32 ai);
typedef struct
{
u32 sw_if_index;
ip4_address_t ip;
mac_address_t mac;
} wc_arp_report_t;
/**
* call back function when walking the DB of proxy ARPs
* @return 0 to stop the walk !0 to continue
*/
typedef walk_rc_t (proxy_arp_walk_t) (const ip4_address_t * lo_addr,
const ip4_address_t * hi_addr,
u32 fib_index, void *dat);
extern void proxy_arp_walk (proxy_arp_walk_t cb, void *data);
#endif
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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