/* * 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_proxy_arp_enable_disable (vnet_main_t * vnm, u32 sw_if_index, u8 enable); 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); /** * call back function when walking the DB of proxy ARP interface * @return 0 to stop the walk !0 to continue */ typedef walk_rc_t (proxy_arp_intf_walk_t) (u32 sw_if_index, void *data); extern void proxy_arp_intfc_walk (proxy_arp_intf_walk_t cb, void *data); #endif /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */