1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
/*
* 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/ip/ip.h>
#include <vnet/ethernet/arp_packet.h>
#define foreach_ethernet_arp_error \
_ (replies_sent, "ARP replies sent") \
_ (l2_type_not_ethernet, "L2 type not ethernet") \
_ (l3_type_not_ip4, "L3 type not IP4") \
_ (l3_src_address_not_local, "IP4 source address not local to subnet") \
_ (l3_dst_address_not_local, "IP4 destination address not local to subnet") \
_ (l3_dst_address_unset, "IP4 destination address is unset") \
_ (l3_src_address_is_local, "IP4 source address matches local interface") \
_ (l3_src_address_learned, "ARP request IP4 source address learned") \
_ (replies_received, "ARP replies received") \
_ (opcode_not_request, "ARP opcode not request") \
_ (proxy_arp_replies_sent, "Proxy ARP replies sent") \
_ (l2_address_mismatch, "ARP hw addr does not match L2 frame src addr") \
_ (gratuitous_arp, "ARP probe or announcement dropped") \
_ (interface_no_table, "Interface is not mapped to an IP table") \
_ (interface_not_ip_enabled, "Interface is not IP enabled") \
_ (unnumbered_mismatch, "RX interface is unnumbered to different subnet") \
typedef enum
{
#define _(sym,string) ETHERNET_ARP_ERROR_##sym,
foreach_ethernet_arp_error
#undef _
ETHERNET_ARP_N_ERROR,
} ethernet_arp_reply_error_t;
extern int arp_proxy_add (u32 fib_index,
const ip4_address_t * lo_addr,
const ip4_address_t * hi_addr);
extern int arp_proxy_del (u32 fib_index,
const ip4_address_t * lo_addr,
const ip4_address_t * hi_addr);
extern int arp_proxy_enable (u32 sw_if_index);
extern int arp_proxy_disable (u32 sw_if_index);
/**
* 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:
*/
|
