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arp_packet.h
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/*
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* ethernet/arp.c: IP v4 ARP node
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*
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* Copyright (c) 2010 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 included_ethernet_arp_packet_h
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#define included_ethernet_arp_packet_h
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#define foreach_ethernet_arp_hardware_type \
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_ (0, reserved) \
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_ (1, ethernet) \
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_ (2, experimental_ethernet) \
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_ (3, ax_25) \
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_ (4, proteon_pronet_token_ring) \
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_ (5, chaos) \
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_ (6, ieee_802) \
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_ (7, arcnet) \
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_ (8, hyperchannel) \
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_ (9, lanstar) \
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_ (10, autonet) \
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_ (11, localtalk) \
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_ (12, localnet) \
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_ (13, ultra_link) \
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_ (14, smds) \
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_ (15, frame_relay) \
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_ (16, atm) \
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_ (17, hdlc) \
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_ (18, fibre_channel) \
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_ (19, atm19) \
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_ (20, serial_line) \
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_ (21, atm21) \
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_ (22, mil_std_188_220) \
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_ (23, metricom) \
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_ (24, ieee_1394) \
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_ (25, mapos) \
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_ (26, twinaxial) \
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_ (27, eui_64) \
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_ (28, hiparp) \
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_ (29, iso_7816_3) \
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_ (30, arpsec) \
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_ (31, ipsec_tunnel) \
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_ (32, infiniband) \
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_ (33, cai) \
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_ (34, wiegand) \
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_ (35, pure_ip) \
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_ (36, hw_exp1) \
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_ (256, hw_exp2)
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#define foreach_ethernet_arp_opcode \
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_ (reserved) \
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_ (request) \
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_ (reply) \
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_ (reverse_request) \
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_ (reverse_reply) \
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_ (drarp_request) \
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_ (drarp_reply) \
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_ (drarp_error) \
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_ (inarp_request) \
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_ (inarp_reply) \
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_ (arp_nak) \
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_ (mars_request) \
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_ (mars_multi) \
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_ (mars_mserv) \
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_ (mars_join) \
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_ (mars_leave) \
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_ (mars_nak) \
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_ (mars_unserv) \
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_ (mars_sjoin) \
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_ (mars_sleave) \
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_ (mars_grouplist_request) \
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_ (mars_grouplist_reply) \
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_ (mars_redirect_map) \
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_ (mapos_unarp) \
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_ (exp1) \
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_ (exp2)
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typedef
enum
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{
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#define _(n,f) ETHERNET_ARP_HARDWARE_TYPE_##f = (n),
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foreach_ethernet_arp_hardware_type
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#undef _
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}
ethernet_arp_hardware_type_t
;
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typedef
enum
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{
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#define _(f) ETHERNET_ARP_OPCODE_##f,
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foreach_ethernet_arp_opcode
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#undef _
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ETHERNET_ARP_N_OPCODE
,
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}
ethernet_arp_opcode_t
;
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typedef
enum
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{
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IP4_ARP_NEXT_DROP
,
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IP4_ARP_N_NEXT
,
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}
ip4_arp_next_t
;
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typedef
enum
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{
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IP4_ARP_ERROR_DROP
,
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IP4_ARP_ERROR_REQUEST_SENT
,
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IP4_ARP_ERROR_NON_ARP_ADJ
,
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IP4_ARP_ERROR_REPLICATE_DROP
,
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IP4_ARP_ERROR_REPLICATE_FAIL
,
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IP4_ARP_ERROR_NO_SOURCE_ADDRESS
,
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}
ip4_arp_error_t
;
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/* *INDENT-OFF* */
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typedef
CLIB_PACKED
(
struct
{
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u8
ethernet[6];
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ip4_address_t
ip4;
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}) ethernet_arp_ip4_over_ethernet_address_t;
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/* *INDENT-ON* */
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typedef
struct
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{
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u16
l2_type
;
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u16
l3_type
;
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u8
n_l2_address_bytes
;
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u8
n_l3_address_bytes
;
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u16
opcode
;
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union
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{
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ethernet_arp_ip4_over_ethernet_address_t ip4_over_ethernet[2];
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/* Others... */
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u8
data[0];
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};
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}
ethernet_arp_header_t
;
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typedef
enum
ethernet_arp_entry_flags_t_
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{
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ETHERNET_ARP_IP4_ENTRY_FLAG_STATIC
= (1 << 0),
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ETHERNET_ARP_IP4_ENTRY_FLAG_DYNAMIC
= (1 << 1),
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ETHERNET_ARP_IP4_ENTRY_FLAG_NO_FIB_ENTRY
= (1 << 2),
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} __attribute__ ((packed))
ethernet_arp_entry_flags_t
;
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typedef
struct
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{
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u32
sw_if_index
;
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ip4_address_t
ip4_address
;
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u8
ethernet_address[6];
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ethernet_arp_entry_flags_t
flags
;
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u64
cpu_time_last_updated
;
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/**
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* The index of the adj-fib entry created
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*/
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fib_node_index_t
fib_entry_index
;
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}
ethernet_arp_ip4_entry_t
;
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ethernet_arp_ip4_entry_t
*
ip4_neighbor_entries
(
u32
sw_if_index);
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u8
*
format_ethernet_arp_ip4_entry
(
u8
* s, va_list * va);
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void
send_ip4_garp
(
vlib_main_t
*
vm
,
vnet_hw_interface_t
*
hi
);
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#endif
/* included_ethernet_arp_packet_h */
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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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*/
hi
vmrglw vmrglh hi
Definition:
vector_altivec.h:119
ethernet_arp_header_t::l2_type
u16 l2_type
Definition:
arp_packet.h:129
ethernet_arp_header_t::l3_type
u16 l3_type
Definition:
arp_packet.h:130
IP4_ARP_ERROR_REQUEST_SENT
Definition:
arp_packet.h:113
IP4_ARP_N_NEXT
Definition:
arp_packet.h:107
format_ethernet_arp_ip4_entry
u8 * format_ethernet_arp_ip4_entry(u8 *s, va_list *va)
Definition:
arp.c:249
ip4_neighbor_entries
ethernet_arp_ip4_entry_t * ip4_neighbor_entries(u32 sw_if_index)
Definition:
arp.c:1302
ethernet_arp_ip4_entry_t::cpu_time_last_updated
u64 cpu_time_last_updated
Definition:
arp_packet.h:159
send_ip4_garp
void send_ip4_garp(vlib_main_t *vm, vnet_hw_interface_t *hi)
Definition:
arp.c:2493
ip4_arp_error_t
ip4_arp_error_t
Definition:
arp_packet.h:110
ethernet_arp_hardware_type_t
ethernet_arp_hardware_type_t
Definition:
arp_packet.h:89
u64
unsigned long u64
Definition:
types.h:89
foreach_ethernet_arp_opcode
#define foreach_ethernet_arp_opcode
Definition:
arp_packet.h:61
ETHERNET_ARP_IP4_ENTRY_FLAG_STATIC
Definition:
arp_packet.h:145
IP4_ARP_NEXT_DROP
Definition:
arp_packet.h:106
ip4_address_t
Definition:
ip4_packet.h:49
ETHERNET_ARP_N_OPCODE
Definition:
arp_packet.h:101
CLIB_PACKED
typedef CLIB_PACKED(struct{u8 ethernet[6];ip4_address_t ip4;}) ethernet_arp_ip4_over_ethernet_address_t
IP4_ARP_ERROR_NON_ARP_ADJ
Definition:
arp_packet.h:114
ethernet_arp_ip4_entry_t::ip4_address
ip4_address_t ip4_address
Definition:
arp_packet.h:153
ethernet_arp_ip4_entry_t::sw_if_index
u32 sw_if_index
Definition:
arp_packet.h:152
ip4_arp_next_t
ip4_arp_next_t
Definition:
arp_packet.h:104
ethernet_arp_entry_flags_t
enum ethernet_arp_entry_flags_t_ ethernet_arp_entry_flags_t
ethernet_arp_opcode_t
ethernet_arp_opcode_t
Definition:
arp_packet.h:96
vm
vlib_main_t * vm
Definition:
buffer.c:283
vnet_hw_interface_t
Definition:
interface.h:387
IP4_ARP_ERROR_NO_SOURCE_ADDRESS
Definition:
arp_packet.h:117
fib_node_index_t
u32 fib_node_index_t
A typedef of a node index.
Definition:
fib_types.h:29
ethernet_arp_header_t::opcode
u16 opcode
Definition:
arp_packet.h:133
u32
unsigned int u32
Definition:
types.h:88
ethernet_arp_ip4_entry_t::flags
ethernet_arp_entry_flags_t flags
Definition:
arp_packet.h:157
ethernet_arp_header_t
Definition:
arp_packet.h:127
ETHERNET_ARP_IP4_ENTRY_FLAG_NO_FIB_ENTRY
Definition:
arp_packet.h:147
u16
unsigned short u16
Definition:
types.h:57
ethernet_arp_ip4_entry_t::fib_entry_index
fib_node_index_t fib_entry_index
The index of the adj-fib entry created.
Definition:
arp_packet.h:164
u8
unsigned char u8
Definition:
types.h:56
vlib_main_t
Definition:
main.h:59
ethernet_arp_entry_flags_t_
ethernet_arp_entry_flags_t_
Definition:
arp_packet.h:143
foreach_ethernet_arp_hardware_type
#define foreach_ethernet_arp_hardware_type
Definition:
arp_packet.h:21
IP4_ARP_ERROR_REPLICATE_DROP
Definition:
arp_packet.h:115
IP4_ARP_ERROR_DROP
Definition:
arp_packet.h:112
ethernet_arp_header_t::n_l3_address_bytes
u8 n_l3_address_bytes
Definition:
arp_packet.h:132
ethernet_arp_header_t::n_l2_address_bytes
u8 n_l2_address_bytes
Definition:
arp_packet.h:131
ETHERNET_ARP_IP4_ENTRY_FLAG_DYNAMIC
Definition:
arp_packet.h:146
ethernet_arp_ip4_entry_t
Definition:
arp_packet.h:150
IP4_ARP_ERROR_REPLICATE_FAIL
Definition:
arp_packet.h:116
src
vnet
ethernet
arp_packet.h
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