UbixOS V2 2.0

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 "net/arch.h"
41 #include "net/prot/ethernet.h"
42 #include "net/ip4_addr.h"
43
44 #ifdef __cplusplus
45 extern "C" {
46 #endif
47
48 #ifndef ETHARP_HWADDR_LEN
49 #define ETHARP_HWADDR_LEN ETH_HWADDR_LEN
50 #endif
51
52 #ifdef PACK_STRUCT_USE_INCLUDES
53 # include "arch/bpstruct.h"
54 #endif
55 PACK_STRUCT_BEGIN
57 struct etharp_hdr {
58 PACK_STRUCT_FIELD(u16_t hwtype);
59 PACK_STRUCT_FIELD(u16_t proto);
60 PACK_STRUCT_FLD_8(u8_t hwlen);
61 PACK_STRUCT_FLD_8(u8_t protolen);
62 PACK_STRUCT_FIELD(u16_t opcode);
63 PACK_STRUCT_FLD_S(struct eth_addr shwaddr);
64 PACK_STRUCT_FLD_S(struct ip4_addr2 sipaddr);
65 PACK_STRUCT_FLD_S(struct eth_addr dhwaddr);
66 PACK_STRUCT_FLD_S(struct ip4_addr2 dipaddr);
67 } PACK_STRUCT_STRUCT;
68 PACK_STRUCT_END
69 #ifdef PACK_STRUCT_USE_INCLUDES
70 # include "arch/epstruct.h"
71 #endif
72
73 #define SIZEOF_ETHARP_HDR 28
74
75 /* ARP hwtype values */
76 enum etharp_hwtype {
77 HWTYPE_ETHERNET = 1
78 /* others not used */
79 };
80
81 /* ARP message types (opcodes) */
82 enum etharp_opcode {
83 ARP_REQUEST = 1,
84 ARP_REPLY = 2
85 };
86
87 #ifdef __cplusplus
88 }
89 #endif
90
91 #endif /* LWIP_HDR_PROT_ETHARP_H */
ethernet.h
etharp_hwtype
etharp_hwtype
Definition: etharp.h:76
u16_t
uint16_t u16_t
Definition: arch.h:124
etharp_hdr::PACK_STRUCT_FLD_S
PACK_STRUCT_FLD_S(struct eth_addr shwaddr)
etharp_hdr::PACK_STRUCT_FLD_8
PACK_STRUCT_FLD_8(u8_t hwlen)
PACK_STRUCT_STRUCT
PACK_STRUCT_BEGIN struct etharp_hdr PACK_STRUCT_STRUCT
etharp_hdr
Definition: etharp.h:57
arch.h
ARP_REPLY
Definition: etharp.h:84
u8_t
uint8_t u8_t
Definition: arch.h:122
PACK_STRUCT_BEGIN
#define PACK_STRUCT_BEGIN
Definition: cc.h:8
ARP_REQUEST
Definition: etharp.h:83
eth_addr
Definition: ethernet.h:58
ip4_addr.h
etharp_hdr::PACK_STRUCT_FIELD
PACK_STRUCT_FIELD(u16_t hwtype)
HWTYPE_ETHERNET
Definition: etharp.h:77
etharp_opcode
etharp_opcode
Definition: etharp.h:82
PACK_STRUCT_END
#define PACK_STRUCT_END
Definition: cc.h:9