| User | Revision | Line number | New contents of line |
|---|
| gbeardall |
0:715023d993d6
|
1
|
/*
|
| gbeardall |
0:715023d993d6
|
2
|
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
|
| gbeardall |
0:715023d993d6
|
3
|
* Copyright (c) 2003-2004 Leon Woestenberg <leon.woestenberg@axon.tv>
|
| gbeardall |
0:715023d993d6
|
4
|
* Copyright (c) 2003-2004 Axon Digital Design B.V., The Netherlands.
|
| gbeardall |
0:715023d993d6
|
5
|
* All rights reserved.
|
| gbeardall |
0:715023d993d6
|
6
|
*
|
| gbeardall |
0:715023d993d6
|
7
|
* Redistribution and use in source and binary forms, with or without modification,
|
| gbeardall |
0:715023d993d6
|
8
|
* are permitted provided that the following conditions are met:
|
| gbeardall |
0:715023d993d6
|
9
|
*
|
| gbeardall |
0:715023d993d6
|
10
|
* 1. Redistributions of source code must retain the above copyright notice,
|
| gbeardall |
0:715023d993d6
|
11
|
* this list of conditions and the following disclaimer.
|
| gbeardall |
0:715023d993d6
|
12
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
| gbeardall |
0:715023d993d6
|
13
|
* this list of conditions and the following disclaimer in the documentation
|
| gbeardall |
0:715023d993d6
|
14
|
* and/or other materials provided with the distribution.
|
| gbeardall |
0:715023d993d6
|
15
|
* 3. The name of the author may not be used to endorse or promote products
|
| gbeardall |
0:715023d993d6
|
16
|
* derived from this software without specific prior written permission.
|
| gbeardall |
0:715023d993d6
|
17
|
*
|
| gbeardall |
0:715023d993d6
|
18
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
| gbeardall |
0:715023d993d6
|
19
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
| gbeardall |
0:715023d993d6
|
20
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
|
| gbeardall |
0:715023d993d6
|
21
|
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
| gbeardall |
0:715023d993d6
|
22
|
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
|
| gbeardall |
0:715023d993d6
|
23
|
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
| gbeardall |
0:715023d993d6
|
24
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
| gbeardall |
0:715023d993d6
|
25
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
|
| gbeardall |
0:715023d993d6
|
26
|
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
|
| gbeardall |
0:715023d993d6
|
27
|
* OF SUCH DAMAGE.
|
| gbeardall |
0:715023d993d6
|
28
|
*
|
| gbeardall |
0:715023d993d6
|
29
|
* This file is part of the lwIP TCP/IP stack.
|
| gbeardall |
0:715023d993d6
|
30
|
*
|
| gbeardall |
0:715023d993d6
|
31
|
* Author: Adam Dunkels <adam@sics.se>
|
| gbeardall |
0:715023d993d6
|
32
|
*
|
| gbeardall |
0:715023d993d6
|
33
|
*/
|
| gbeardall |
0:715023d993d6
|
34
|
|
| gbeardall |
0:715023d993d6
|
35
|
#ifndef __NETIF_ETHARP_H__
|
| gbeardall |
0:715023d993d6
|
36
|
#define __NETIF_ETHARP_H__
|
| gbeardall |
0:715023d993d6
|
37
|
|
| gbeardall |
0:715023d993d6
|
38
|
#include "lwip/opt.h"
|
| gbeardall |
0:715023d993d6
|
39
|
|
| gbeardall |
0:715023d993d6
|
40
|
#if LWIP_ARP || LWIP_ETHERNET /* don't build if not configured for use in lwipopts.h */
|
| gbeardall |
0:715023d993d6
|
41
|
|
| gbeardall |
0:715023d993d6
|
42
|
#include "lwip/pbuf.h"
|
| gbeardall |
0:715023d993d6
|
43
|
#include "lwip/ip_addr.h"
|
| gbeardall |
0:715023d993d6
|
44
|
#include "lwip/netif.h"
|
| gbeardall |
0:715023d993d6
|
45
|
#include "lwip/ip.h"
|
| gbeardall |
0:715023d993d6
|
46
|
|
| gbeardall |
0:715023d993d6
|
47
|
#ifdef __cplusplus
|
| gbeardall |
0:715023d993d6
|
48
|
extern "C" {
|
| gbeardall |
0:715023d993d6
|
49
|
#endif
|
| gbeardall |
0:715023d993d6
|
50
|
|
| gbeardall |
0:715023d993d6
|
51
|
#ifndef ETHARP_HWADDR_LEN
|
| gbeardall |
0:715023d993d6
|
52
|
#define ETHARP_HWADDR_LEN 6
|
| gbeardall |
0:715023d993d6
|
53
|
#endif
|
| gbeardall |
0:715023d993d6
|
54
|
|
| gbeardall |
0:715023d993d6
|
55
|
#ifdef PACK_STRUCT_USE_INCLUDES
|
| gbeardall |
0:715023d993d6
|
56
|
# include "arch/bpstruct.h"
|
| gbeardall |
0:715023d993d6
|
57
|
#endif
|
| gbeardall |
0:715023d993d6
|
58
|
PACK_STRUCT_BEGIN
|
| gbeardall |
0:715023d993d6
|
59
|
struct eth_addr {
|
| gbeardall |
0:715023d993d6
|
60
|
PACK_STRUCT_FIELD(u8_t addr[ETHARP_HWADDR_LEN]);
|
| gbeardall |
0:715023d993d6
|
61
|
} PACK_STRUCT_STRUCT;
|
| gbeardall |
0:715023d993d6
|
62
|
PACK_STRUCT_END
|
| gbeardall |
0:715023d993d6
|
63
|
#ifdef PACK_STRUCT_USE_INCLUDES
|
| gbeardall |
0:715023d993d6
|
64
|
# include "arch/epstruct.h"
|
| gbeardall |
0:715023d993d6
|
65
|
#endif
|
| gbeardall |
0:715023d993d6
|
66
|
|
| gbeardall |
0:715023d993d6
|
67
|
#ifdef PACK_STRUCT_USE_INCLUDES
|
| gbeardall |
0:715023d993d6
|
68
|
# include "arch/bpstruct.h"
|
| gbeardall |
0:715023d993d6
|
69
|
#endif
|
| gbeardall |
0:715023d993d6
|
70
|
PACK_STRUCT_BEGIN
|
| gbeardall |
0:715023d993d6
|
71
|
/* Ethernet header */
|
| gbeardall |
0:715023d993d6
|
72
|
struct eth_hdr {
|
| gbeardall |
0:715023d993d6
|
73
|
#if ETH_PAD_SIZE
|
| gbeardall |
0:715023d993d6
|
74
|
PACK_STRUCT_FIELD(u8_t padding[ETH_PAD_SIZE]);
|
| gbeardall |
0:715023d993d6
|
75
|
#endif
|
| gbeardall |
0:715023d993d6
|
76
|
PACK_STRUCT_FIELD(struct eth_addr dest);
|
| gbeardall |
0:715023d993d6
|
77
|
PACK_STRUCT_FIELD(struct eth_addr src);
|
| gbeardall |
0:715023d993d6
|
78
|
PACK_STRUCT_FIELD(u16_t type);
|
| gbeardall |
0:715023d993d6
|
79
|
} PACK_STRUCT_STRUCT;
|
| gbeardall |
0:715023d993d6
|
80
|
PACK_STRUCT_END
|
| gbeardall |
0:715023d993d6
|
81
|
#ifdef PACK_STRUCT_USE_INCLUDES
|
| gbeardall |
0:715023d993d6
|
82
|
# include "arch/epstruct.h"
|
| gbeardall |
0:715023d993d6
|
83
|
#endif
|
| gbeardall |
0:715023d993d6
|
84
|
|
| gbeardall |
0:715023d993d6
|
85
|
#define SIZEOF_ETH_HDR (14 + ETH_PAD_SIZE)
|
| gbeardall |
0:715023d993d6
|
86
|
|
| gbeardall |
0:715023d993d6
|
87
|
#if ETHARP_SUPPORT_VLAN
|
| gbeardall |
0:715023d993d6
|
88
|
|
| gbeardall |
0:715023d993d6
|
89
|
#ifdef PACK_STRUCT_USE_INCLUDES
|
| gbeardall |
0:715023d993d6
|
90
|
# include "arch/bpstruct.h"
|
| gbeardall |
0:715023d993d6
|
91
|
#endif
|
| gbeardall |
0:715023d993d6
|
92
|
PACK_STRUCT_BEGIN
|
| gbeardall |
0:715023d993d6
|
93
|
/* VLAN header inserted between ethernet header and payload
|
| gbeardall |
0:715023d993d6
|
94
|
* if 'type' in ethernet header is ETHTYPE_VLAN.
|
| gbeardall |
0:715023d993d6
|
95
|
* See IEEE802.Q */
|
| gbeardall |
0:715023d993d6
|
96
|
struct eth_vlan_hdr {
|
| gbeardall |
0:715023d993d6
|
97
|
PACK_STRUCT_FIELD(u16_t tpid);
|
| gbeardall |
0:715023d993d6
|
98
|
PACK_STRUCT_FIELD(u16_t prio_vid);
|
| gbeardall |
0:715023d993d6
|
99
|
} PACK_STRUCT_STRUCT;
|
| gbeardall |
0:715023d993d6
|
100
|
PACK_STRUCT_END
|
| gbeardall |
0:715023d993d6
|
101
|
#ifdef PACK_STRUCT_USE_INCLUDES
|
| gbeardall |
0:715023d993d6
|
102
|
# include "arch/epstruct.h"
|
| gbeardall |
0:715023d993d6
|
103
|
#endif
|
| gbeardall |
0:715023d993d6
|
104
|
|
| gbeardall |
0:715023d993d6
|
105
|
#define SIZEOF_VLAN_HDR 4
|
| gbeardall |
0:715023d993d6
|
106
|
#define VLAN_ID(vlan_hdr) (htons((vlan_hdr)->prio_vid) & 0xFFF)
|
| gbeardall |
0:715023d993d6
|
107
|
|
| gbeardall |
0:715023d993d6
|
108
|
#endif /* ETHARP_SUPPORT_VLAN */
|
| gbeardall |
0:715023d993d6
|
109
|
|
| gbeardall |
0:715023d993d6
|
110
|
#ifdef PACK_STRUCT_USE_INCLUDES
|
| gbeardall |
0:715023d993d6
|
111
|
# include "arch/bpstruct.h"
|
| gbeardall |
0:715023d993d6
|
112
|
#endif
|
| gbeardall |
0:715023d993d6
|
113
|
PACK_STRUCT_BEGIN
|
| gbeardall |
0:715023d993d6
|
114
|
/* the ARP message, see RFC 826 ("Packet format") */
|
| gbeardall |
0:715023d993d6
|
115
|
struct etharp_hdr {
|
| gbeardall |
0:715023d993d6
|
116
|
PACK_STRUCT_FIELD(u16_t hwtype);
|
| gbeardall |
0:715023d993d6
|
117
|
PACK_STRUCT_FIELD(u16_t proto);
|
| gbeardall |
0:715023d993d6
|
118
|
PACK_STRUCT_FIELD(u8_t hwlen);
|
| gbeardall |
0:715023d993d6
|
119
|
PACK_STRUCT_FIELD(u8_t protolen);
|
| gbeardall |
0:715023d993d6
|
120
|
PACK_STRUCT_FIELD(u16_t opcode);
|
| gbeardall |
0:715023d993d6
|
121
|
PACK_STRUCT_FIELD(struct eth_addr shwaddr);
|
| gbeardall |
0:715023d993d6
|
122
|
PACK_STRUCT_FIELD(struct ip_addr2 sipaddr);
|
| gbeardall |
0:715023d993d6
|
123
|
PACK_STRUCT_FIELD(struct eth_addr dhwaddr);
|
| gbeardall |
0:715023d993d6
|
124
|
PACK_STRUCT_FIELD(struct ip_addr2 dipaddr);
|
| gbeardall |
0:715023d993d6
|
125
|
} PACK_STRUCT_STRUCT;
|
| gbeardall |
0:715023d993d6
|
126
|
PACK_STRUCT_END
|
| gbeardall |
0:715023d993d6
|
127
|
#ifdef PACK_STRUCT_USE_INCLUDES
|
| gbeardall |
0:715023d993d6
|
128
|
# include "arch/epstruct.h"
|
| gbeardall |
0:715023d993d6
|
129
|
#endif
|
| gbeardall |
0:715023d993d6
|
130
|
|
| gbeardall |
0:715023d993d6
|
131
|
#define SIZEOF_ETHARP_HDR 28
|
| gbeardall |
0:715023d993d6
|
132
|
#define SIZEOF_ETHARP_PACKET (SIZEOF_ETH_HDR + SIZEOF_ETHARP_HDR)
|
| gbeardall |
0:715023d993d6
|
133
|
|
| gbeardall |
0:715023d993d6
|
134
|
/* 5 seconds period */
|
| gbeardall |
0:715023d993d6
|
135
|
#define ARP_TMR_INTERVAL 5000
|
| gbeardall |
0:715023d993d6
|
136
|
|
| gbeardall |
0:715023d993d6
|
137
|
#define ETHTYPE_ARP 0x0806
|
| gbeardall |
0:715023d993d6
|
138
|
#define ETHTYPE_IP 0x0800
|
| gbeardall |
0:715023d993d6
|
139
|
#define ETHTYPE_VLAN 0x8100
|
| gbeardall |
0:715023d993d6
|
140
|
#define ETHTYPE_PPPOEDISC 0x8863 /* PPP Over Ethernet Discovery Stage */
|
| gbeardall |
0:715023d993d6
|
141
|
#define ETHTYPE_PPPOE 0x8864 /* PPP Over Ethernet Session Stage */
|
| gbeardall |
0:715023d993d6
|
142
|
|
| gbeardall |
0:715023d993d6
|
143
|
/* MEMCPY-like macro to copy to/from struct eth_addr's that are local variables
|
| gbeardall |
0:715023d993d6
|
144
|
* or known to be 32-bit aligned within the protocol header. */
|
| gbeardall |
0:715023d993d6
|
145
|
#ifndef ETHADDR32_COPY
|
| gbeardall |
0:715023d993d6
|
146
|
#define ETHADDR32_COPY(src, dst) SMEMCPY(src, dst, ETHARP_HWADDR_LEN)
|
| gbeardall |
0:715023d993d6
|
147
|
#endif
|
| gbeardall |
0:715023d993d6
|
148
|
|
| gbeardall |
0:715023d993d6
|
149
|
/* MEMCPY-like macro to copy to/from struct eth_addr's that are no local
|
| gbeardall |
0:715023d993d6
|
150
|
* variables and known to be 16-bit aligned within the protocol header. */
|
| gbeardall |
0:715023d993d6
|
151
|
#ifndef ETHADDR16_COPY
|
| gbeardall |
0:715023d993d6
|
152
|
#define ETHADDR16_COPY(src, dst) SMEMCPY(src, dst, ETHARP_HWADDR_LEN)
|
| gbeardall |
0:715023d993d6
|
153
|
#endif
|
| gbeardall |
0:715023d993d6
|
154
|
|
| gbeardall |
0:715023d993d6
|
155
|
#if LWIP_ARP /* don't build if not configured for use in lwipopts.h */
|
| gbeardall |
0:715023d993d6
|
156
|
|
| gbeardall |
0:715023d993d6
|
157
|
/* ARP message types (opcodes) */
|
| gbeardall |
0:715023d993d6
|
158
|
#define ARP_REQUEST 1
|
| gbeardall |
0:715023d993d6
|
159
|
#define ARP_REPLY 2
|
| gbeardall |
0:715023d993d6
|
160
|
|
| gbeardall |
0:715023d993d6
|
161
|
/* Define this to 1 and define LWIP_ARP_FILTER_NETIF_FN(pbuf, netif, type)
|
| gbeardall |
0:715023d993d6
|
162
|
* to a filter function that returns the correct netif when using multiple
|
| gbeardall |
0:715023d993d6
|
163
|
* netifs on one hardware interface where the netif's low-level receive
|
| gbeardall |
0:715023d993d6
|
164
|
* routine cannot decide for the correct netif (e.g. when mapping multiple
|
| gbeardall |
0:715023d993d6
|
165
|
* IP addresses to one hardware interface).
|
| gbeardall |
0:715023d993d6
|
166
|
*/
|
| gbeardall |
0:715023d993d6
|
167
|
#ifndef LWIP_ARP_FILTER_NETIF
|
| gbeardall |
0:715023d993d6
|
168
|
#define LWIP_ARP_FILTER_NETIF 0
|
| gbeardall |
0:715023d993d6
|
169
|
#endif
|
| gbeardall |
0:715023d993d6
|
170
|
|
| gbeardall |
0:715023d993d6
|
171
|
#if ARP_QUEUEING
|
| gbeardall |
0:715023d993d6
|
172
|
/* struct for queueing outgoing packets for unknown address
|
| gbeardall |
0:715023d993d6
|
173
|
* defined here to be accessed by memp.h
|
| gbeardall |
0:715023d993d6
|
174
|
*/
|
| gbeardall |
0:715023d993d6
|
175
|
struct etharp_q_entry {
|
| gbeardall |
0:715023d993d6
|
176
|
struct etharp_q_entry *next;
|
| gbeardall |
0:715023d993d6
|
177
|
struct pbuf *p;
|
| gbeardall |
0:715023d993d6
|
178
|
};
|
| gbeardall |
0:715023d993d6
|
179
|
#endif /* ARP_QUEUEING */
|
| gbeardall |
0:715023d993d6
|
180
|
|
| gbeardall |
0:715023d993d6
|
181
|
#define etharp_init() /* Compatibility define, not init needed. */
|
| gbeardall |
0:715023d993d6
|
182
|
void etharp_tmr(void);
|
| gbeardall |
0:715023d993d6
|
183
|
s8_t etharp_find_addr(struct netif *netif, ip_addr_t *ipaddr,
|
| gbeardall |
0:715023d993d6
|
184
|
struct eth_addr **eth_ret, ip_addr_t **ip_ret);
|
| gbeardall |
0:715023d993d6
|
185
|
err_t etharp_output(struct netif *netif, struct pbuf *q, ip_addr_t *ipaddr);
|
| gbeardall |
0:715023d993d6
|
186
|
err_t etharp_query(struct netif *netif, ip_addr_t *ipaddr, struct pbuf *q);
|
| gbeardall |
0:715023d993d6
|
187
|
err_t etharp_request(struct netif *netif, ip_addr_t *ipaddr);
|
| gbeardall |
0:715023d993d6
|
188
|
/* For Ethernet network interfaces, we might want to send "gratuitous ARP";
|
| gbeardall |
0:715023d993d6
|
189
|
* this is an ARP packet sent by a node in order to spontaneously cause other
|
| gbeardall |
0:715023d993d6
|
190
|
* nodes to update an entry in their ARP cache.
|
| gbeardall |
0:715023d993d6
|
191
|
* From RFC 3220 "IP Mobility Support for IPv4" section 4.6. */
|
| gbeardall |
0:715023d993d6
|
192
|
#define etharp_gratuitous(netif) etharp_request((netif), &(netif)->ip_addr)
|
| gbeardall |
0:715023d993d6
|
193
|
|
| gbeardall |
0:715023d993d6
|
194
|
#if ETHARP_SUPPORT_STATIC_ENTRIES
|
| gbeardall |
0:715023d993d6
|
195
|
err_t etharp_add_static_entry(ip_addr_t *ipaddr, struct eth_addr *ethaddr);
|
| gbeardall |
0:715023d993d6
|
196
|
err_t etharp_remove_static_entry(ip_addr_t *ipaddr);
|
| gbeardall |
0:715023d993d6
|
197
|
#endif /* ETHARP_SUPPORT_STATIC_ENTRIES */
|
| gbeardall |
0:715023d993d6
|
198
|
|
| gbeardall |
0:715023d993d6
|
199
|
#if LWIP_AUTOIP
|
| gbeardall |
0:715023d993d6
|
200
|
err_t etharp_raw(struct netif *netif, const struct eth_addr *ethsrc_addr,
|
| gbeardall |
0:715023d993d6
|
201
|
const struct eth_addr *ethdst_addr,
|
| gbeardall |
0:715023d993d6
|
202
|
const struct eth_addr *hwsrc_addr, const ip_addr_t *ipsrc_addr,
|
| gbeardall |
0:715023d993d6
|
203
|
const struct eth_addr *hwdst_addr, const ip_addr_t *ipdst_addr,
|
| gbeardall |
0:715023d993d6
|
204
|
const u16_t opcode);
|
| gbeardall |
0:715023d993d6
|
205
|
#endif /* LWIP_AUTOIP */
|
| gbeardall |
0:715023d993d6
|
206
|
|
| gbeardall |
0:715023d993d6
|
207
|
#endif /* LWIP_ARP */
|
| gbeardall |
0:715023d993d6
|
208
|
|
| gbeardall |
0:715023d993d6
|
209
|
err_t ethernet_input(struct pbuf *p, struct netif *netif);
|
| gbeardall |
0:715023d993d6
|
210
|
|
| gbeardall |
0:715023d993d6
|
211
|
#define eth_addr_cmp(addr1, addr2) (memcmp((addr1)->addr, (addr2)->addr, ETHARP_HWADDR_LEN) == 0)
|
| gbeardall |
0:715023d993d6
|
212
|
|
| gbeardall |
0:715023d993d6
|
213
|
extern const struct eth_addr ethbroadcast, ethzero;
|
| gbeardall |
0:715023d993d6
|
214
|
|
| gbeardall |
0:715023d993d6
|
215
|
#ifdef __cplusplus
|
| gbeardall |
0:715023d993d6
|
216
|
}
|
| gbeardall |
0:715023d993d6
|
217
|
#endif
|
| gbeardall |
0:715023d993d6
|
218
|
|
| gbeardall |
0:715023d993d6
|
219
|
#endif /* LWIP_ARP || LWIP_ETHERNET */
|
| gbeardall |
0:715023d993d6
|
220
|
|
| gbeardall |
0:715023d993d6
|
221
|
#endif /* __NETIF_ARP_H__ */
|
gavin beardall