86 lines
3.0 KiB
C
86 lines
3.0 KiB
C
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/*
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* Copyright (c) 2015 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 __ARP_H__
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#define __ARP_H__
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#include <vnet/ethernet/ethernet.h>
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#include <vnet/ip/ip.h>
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#include <vnet/ethernet/arp_packet.h>
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#define foreach_ethernet_arp_error \
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_ (replies_sent, "ARP replies sent") \
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_ (l2_type_not_ethernet, "L2 type not ethernet") \
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_ (l3_type_not_ip4, "L3 type not IP4") \
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_ (l3_src_address_not_local, "IP4 source address not local to subnet") \
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_ (l3_dst_address_not_local, "IP4 destination address not local to subnet") \
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_ (l3_dst_address_unset, "IP4 destination address is unset") \
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_ (l3_src_address_is_local, "IP4 source address matches local interface") \
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_ (l3_src_address_learned, "ARP request IP4 source address learned") \
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_ (replies_received, "ARP replies received") \
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_ (opcode_not_request, "ARP opcode not request") \
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_ (proxy_arp_replies_sent, "Proxy ARP replies sent") \
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_ (l2_address_mismatch, "ARP hw addr does not match L2 frame src addr") \
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_ (gratuitous_arp, "ARP probe or announcement dropped") \
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_ (interface_no_table, "Interface is not mapped to an IP table") \
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_ (interface_not_ip_enabled, "Interface is not IP enabled") \
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_ (unnumbered_mismatch, "RX interface is unnumbered to different subnet") \
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typedef enum
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{
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#define _(sym,string) ETHERNET_ARP_ERROR_##sym,
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foreach_ethernet_arp_error
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#undef _
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ETHERNET_ARP_N_ERROR,
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} ethernet_arp_reply_error_t;
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extern int arp_proxy_add (u32 fib_index,
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const ip4_address_t * lo_addr,
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const ip4_address_t * hi_addr);
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extern int arp_proxy_del (u32 fib_index,
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const ip4_address_t * lo_addr,
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const ip4_address_t * hi_addr);
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extern int arp_proxy_enable (u32 sw_if_index);
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extern int arp_proxy_disable (u32 sw_if_index);
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/**
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* call back function when walking the DB of proxy ARPs
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* @return 0 to stop the walk !0 to continue
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*/
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typedef walk_rc_t (proxy_arp_walk_t) (const ip4_address_t * lo_addr,
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const ip4_address_t * hi_addr,
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u32 fib_index, void *dat);
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extern void proxy_arp_walk (proxy_arp_walk_t cb, void *data);
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/**
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* call back function when walking the DB of proxy ARP interface
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* @return 0 to stop the walk !0 to continue
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*/
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typedef walk_rc_t (proxy_arp_intf_walk_t) (u32 sw_if_index, void *data);
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extern void proxy_arp_intfc_walk (proxy_arp_intf_walk_t cb, void *data);
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#endif
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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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