2 * ethernet/arp.c: IP v4 ARP node
4 * Copyright (c) 2010 Cisco and/or its affiliates.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
18 #ifndef included_ethernet_arp_packet_h
19 #define included_ethernet_arp_packet_h
21 #define foreach_ethernet_arp_hardware_type \
24 _ (2, experimental_ethernet) \
26 _ (4, proteon_pronet_token_ring) \
40 _ (18, fibre_channel) \
44 _ (22, mil_std_188_220) \
53 _ (31, ipsec_tunnel) \
61 #define foreach_ethernet_arp_opcode \
82 _ (mars_grouplist_request) \
83 _ (mars_grouplist_reply) \
84 _ (mars_redirect_map) \
90 #define _(n,f) ETHERNET_ARP_HARDWARE_TYPE_##f = (n),
91 foreach_ethernet_arp_hardware_type
93 } ethernet_arp_hardware_type_t;
96 #define _(f) ETHERNET_ARP_OPCODE_##f,
97 foreach_ethernet_arp_opcode
99 ETHERNET_ARP_N_OPCODE,
100 } ethernet_arp_opcode_t;
109 IP4_ARP_ERROR_REQUEST_SENT,
110 IP4_ARP_ERROR_NON_ARP_ADJ,
111 IP4_ARP_ERROR_REPLICATE_DROP,
112 IP4_ARP_ERROR_REPLICATE_FAIL
115 typedef CLIB_PACKED (struct {
118 }) ethernet_arp_ip4_over_ethernet_address_t;
123 u8 n_l2_address_bytes;
124 u8 n_l3_address_bytes;
127 ethernet_arp_ip4_over_ethernet_address_t ip4_over_ethernet[2];
132 } ethernet_arp_header_t;
134 #endif /* included_ethernet_arp_packet_h */