ReactOS 0.4.16-dev-306-g647d351
etharp.h
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1
6/*
7 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without modification,
11 * are permitted provided that the following conditions are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright notice,
14 * this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright notice,
16 * this list of conditions and the following disclaimer in the documentation
17 * and/or other materials provided with the distribution.
18 * 3. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
22 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
23 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
24 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
26 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
29 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
30 * OF SUCH DAMAGE.
31 *
32 * This file is part of the lwIP TCP/IP stack.
33 *
34 * Author: Adam Dunkels <adam@sics.se>
35 *
36 */
37#ifndef LWIP_HDR_PROT_ETHARP_H
38#define LWIP_HDR_PROT_ETHARP_H
39
40#include "lwip/arch.h"
41#include "lwip/prot/ethernet.h"
42
43#ifdef __cplusplus
44extern "C" {
45#endif
46
47#ifndef ETHARP_HWADDR_LEN
48#define ETHARP_HWADDR_LEN ETH_HWADDR_LEN
49#endif
50
55#ifdef PACK_STRUCT_USE_INCLUDES
56# include "arch/bpstruct.h"
57#endif
63#ifdef PACK_STRUCT_USE_INCLUDES
64# include "arch/epstruct.h"
65#endif
66
70#ifndef IPADDR_WORDALIGNED_COPY_TO_IP4_ADDR_T
71#define IPADDR_WORDALIGNED_COPY_TO_IP4_ADDR_T(dest, src) SMEMCPY(dest, src, sizeof(ip4_addr_t))
72#endif
73
77#ifndef IPADDR_WORDALIGNED_COPY_FROM_IP4_ADDR_T
78#define IPADDR_WORDALIGNED_COPY_FROM_IP4_ADDR_T(dest, src) SMEMCPY(dest, src, sizeof(ip4_addr_t))
79#endif
80
81#ifdef PACK_STRUCT_USE_INCLUDES
82# include "arch/bpstruct.h"
83#endif
86struct etharp_hdr {
92 PACK_STRUCT_FLD_S(struct eth_addr shwaddr);
94 PACK_STRUCT_FLD_S(struct eth_addr dhwaddr);
98#ifdef PACK_STRUCT_USE_INCLUDES
99# include "arch/epstruct.h"
100#endif
101
102#define SIZEOF_ETHARP_HDR 28
103
104/* ARP message types (opcodes) */
107 ARP_REPLY = 2
109
110#ifdef __cplusplus
111}
112#endif
113
114#endif /* LWIP_HDR_PROT_ETHARP_H */
#define PACK_STRUCT_END
Definition: arch.h:316
uint8_t u8_t
Definition: arch.h:125
#define PACK_STRUCT_BEGIN
Definition: arch.h:307
uint16_t u16_t
Definition: arch.h:127
PACK_STRUCT_BEGIN struct ip4_addr_wordaligned PACK_STRUCT_STRUCT
etharp_opcode
Definition: etharp.h:105
@ ARP_REPLY
Definition: etharp.h:107
@ ARP_REQUEST
Definition: etharp.h:106
PACK_STRUCT_FLD_8(u8_t hwlen)
PACK_STRUCT_FLD_8(u8_t protolen)
PACK_STRUCT_FLD_S(struct ip4_addr_wordaligned sipaddr)
PACK_STRUCT_FLD_S(struct eth_addr dhwaddr)
PACK_STRUCT_FLD_S(struct eth_addr shwaddr)
PACK_STRUCT_FIELD(u16_t opcode)
PACK_STRUCT_FIELD(u16_t proto)
PACK_STRUCT_FIELD(u16_t hwtype)
PACK_STRUCT_FLD_S(struct ip4_addr_wordaligned dipaddr)
PACK_STRUCT_FIELD(u16_t addrw[2])