2 * Copyright (c) 2015 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
19 #include <vnet/ethernet/ethernet.h>
20 #include <vnet/ip/ip.h>
21 #include <vnet/ethernet/arp_packet.h>
23 #define foreach_ethernet_arp_error \
24 _ (replies_sent, "ARP replies sent") \
25 _ (l2_type_not_ethernet, "L2 type not ethernet") \
26 _ (l3_type_not_ip4, "L3 type not IP4") \
27 _ (l3_src_address_not_local, "IP4 source address not local to subnet") \
28 _ (l3_dst_address_not_local, "IP4 destination address not local to subnet") \
29 _ (l3_dst_address_unset, "IP4 destination address is unset") \
30 _ (l3_src_address_is_local, "IP4 source address matches local interface") \
31 _ (l3_src_address_learned, "ARP request IP4 source address learned") \
32 _ (replies_received, "ARP replies received") \
33 _ (opcode_not_request, "ARP opcode not request") \
34 _ (proxy_arp_replies_sent, "Proxy ARP replies sent") \
35 _ (l2_address_mismatch, "ARP hw addr does not match L2 frame src addr") \
36 _ (gratuitous_arp, "ARP probe or announcement dropped") \
37 _ (interface_no_table, "Interface is not mapped to an IP table") \
38 _ (interface_not_ip_enabled, "Interface is not IP enabled") \
39 _ (unnumbered_mismatch, "RX interface is unnumbered to different subnet") \
43 #define _(sym,string) ETHERNET_ARP_ERROR_##sym,
44 foreach_ethernet_arp_error
47 } ethernet_arp_reply_error_t;
49 extern int arp_proxy_add (u32 fib_index,
50 const ip4_address_t * lo_addr,
51 const ip4_address_t * hi_addr);
52 extern int arp_proxy_del (u32 fib_index,
53 const ip4_address_t * lo_addr,
54 const ip4_address_t * hi_addr);
56 extern int arp_proxy_enable (u32 sw_if_index);
57 extern int arp_proxy_disable (u32 sw_if_index);
60 * call back function when walking the DB of proxy ARPs
61 * @return 0 to stop the walk !0 to continue
63 typedef walk_rc_t (proxy_arp_walk_t) (const ip4_address_t * lo_addr,
64 const ip4_address_t * hi_addr,
65 u32 fib_index, void *dat);
67 extern void proxy_arp_walk (proxy_arp_walk_t cb, void *data);
70 * call back function when walking the DB of proxy ARP interface
71 * @return 0 to stop the walk !0 to continue
73 typedef walk_rc_t (proxy_arp_intf_walk_t) (u32 sw_if_index, void *data);
75 extern void proxy_arp_intfc_walk (proxy_arp_intf_walk_t cb, void *data);
80 * fd.io coding-style-patch-verification: ON
83 * eval: (c-set-style "gnu")