| 1 |
583 |
jeremybenn |
/*
|
| 2 |
|
|
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
|
| 3 |
|
|
* Copyright (c) 2003-2004 Leon Woestenberg <leon.woestenberg@axon.tv>
|
| 4 |
|
|
* Copyright (c) 2003-2004 Axon Digital Design B.V., The Netherlands.
|
| 5 |
|
|
* All rights reserved.
|
| 6 |
|
|
*
|
| 7 |
|
|
* Redistribution and use in source and binary forms, with or without modification,
|
| 8 |
|
|
* are permitted provided that the following conditions are met:
|
| 9 |
|
|
*
|
| 10 |
|
|
* 1. Redistributions of source code must retain the above copyright notice,
|
| 11 |
|
|
* this list of conditions and the following disclaimer.
|
| 12 |
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
| 13 |
|
|
* this list of conditions and the following disclaimer in the documentation
|
| 14 |
|
|
* and/or other materials provided with the distribution.
|
| 15 |
|
|
* 3. The name of the author may not be used to endorse or promote products
|
| 16 |
|
|
* derived from this software without specific prior written permission.
|
| 17 |
|
|
*
|
| 18 |
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
| 19 |
|
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
| 20 |
|
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
|
| 21 |
|
|
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
| 22 |
|
|
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
|
| 23 |
|
|
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
| 24 |
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
| 25 |
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
|
| 26 |
|
|
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
|
| 27 |
|
|
* OF SUCH DAMAGE.
|
| 28 |
|
|
*
|
| 29 |
|
|
* This file is part of the lwIP TCP/IP stack.
|
| 30 |
|
|
*
|
| 31 |
|
|
* Author: Adam Dunkels <adam@sics.se>
|
| 32 |
|
|
*
|
| 33 |
|
|
*/
|
| 34 |
|
|
|
| 35 |
|
|
#ifndef __NETIF_ETHARP_H__
|
| 36 |
|
|
#define __NETIF_ETHARP_H__
|
| 37 |
|
|
|
| 38 |
|
|
#ifndef ETH_PAD_SIZE
|
| 39 |
|
|
#define ETH_PAD_SIZE 0
|
| 40 |
|
|
#endif
|
| 41 |
|
|
|
| 42 |
|
|
#include "lwip/pbuf.h"
|
| 43 |
|
|
#include "lwip/ip_addr.h"
|
| 44 |
|
|
#include "lwip/netif.h"
|
| 45 |
|
|
#include "lwip/ip.h"
|
| 46 |
|
|
|
| 47 |
|
|
#ifdef PACK_STRUCT_USE_INCLUDES
|
| 48 |
|
|
# include "arch/bpstruct.h"
|
| 49 |
|
|
#endif
|
| 50 |
|
|
PACK_STRUCT_BEGIN
|
| 51 |
|
|
struct eth_addr {
|
| 52 |
|
|
PACK_STRUCT_FIELD(u8_t addr[6]);
|
| 53 |
|
|
} PACK_STRUCT_STRUCT;
|
| 54 |
|
|
PACK_STRUCT_END
|
| 55 |
|
|
#ifdef PACK_STRUCT_USE_INCLUDES
|
| 56 |
|
|
# include "arch/epstruct.h"
|
| 57 |
|
|
#endif
|
| 58 |
|
|
|
| 59 |
|
|
#ifdef PACK_STRUCT_USE_INCLUDES
|
| 60 |
|
|
# include "arch/bpstruct.h"
|
| 61 |
|
|
#endif
|
| 62 |
|
|
PACK_STRUCT_BEGIN
|
| 63 |
|
|
struct eth_hdr {
|
| 64 |
|
|
#if ETH_PAD_SIZE
|
| 65 |
|
|
PACK_STRUCT_FIELD(u8_t padding[ETH_PAD_SIZE]);
|
| 66 |
|
|
#endif
|
| 67 |
|
|
PACK_STRUCT_FIELD(struct eth_addr dest);
|
| 68 |
|
|
PACK_STRUCT_FIELD(struct eth_addr src);
|
| 69 |
|
|
PACK_STRUCT_FIELD(u16_t type);
|
| 70 |
|
|
} PACK_STRUCT_STRUCT;
|
| 71 |
|
|
PACK_STRUCT_END
|
| 72 |
|
|
#ifdef PACK_STRUCT_USE_INCLUDES
|
| 73 |
|
|
# include "arch/epstruct.h"
|
| 74 |
|
|
#endif
|
| 75 |
|
|
|
| 76 |
|
|
#ifdef PACK_STRUCT_USE_INCLUDES
|
| 77 |
|
|
# include "arch/bpstruct.h"
|
| 78 |
|
|
#endif
|
| 79 |
|
|
PACK_STRUCT_BEGIN
|
| 80 |
|
|
/** the ARP message */
|
| 81 |
|
|
struct etharp_hdr {
|
| 82 |
|
|
PACK_STRUCT_FIELD(struct eth_hdr ethhdr);
|
| 83 |
|
|
PACK_STRUCT_FIELD(u16_t hwtype);
|
| 84 |
|
|
PACK_STRUCT_FIELD(u16_t proto);
|
| 85 |
|
|
PACK_STRUCT_FIELD(u16_t _hwlen_protolen);
|
| 86 |
|
|
PACK_STRUCT_FIELD(u16_t opcode);
|
| 87 |
|
|
PACK_STRUCT_FIELD(struct eth_addr shwaddr);
|
| 88 |
|
|
PACK_STRUCT_FIELD(struct ip_addr2 sipaddr);
|
| 89 |
|
|
PACK_STRUCT_FIELD(struct eth_addr dhwaddr);
|
| 90 |
|
|
PACK_STRUCT_FIELD(struct ip_addr2 dipaddr);
|
| 91 |
|
|
} PACK_STRUCT_STRUCT;
|
| 92 |
|
|
PACK_STRUCT_END
|
| 93 |
|
|
#ifdef PACK_STRUCT_USE_INCLUDES
|
| 94 |
|
|
# include "arch/epstruct.h"
|
| 95 |
|
|
#endif
|
| 96 |
|
|
|
| 97 |
|
|
#ifdef PACK_STRUCT_USE_INCLUDES
|
| 98 |
|
|
# include "arch/bpstruct.h"
|
| 99 |
|
|
#endif
|
| 100 |
|
|
PACK_STRUCT_BEGIN
|
| 101 |
|
|
struct ethip_hdr {
|
| 102 |
|
|
PACK_STRUCT_FIELD(struct eth_hdr eth);
|
| 103 |
|
|
PACK_STRUCT_FIELD(struct ip_hdr ip);
|
| 104 |
|
|
} PACK_STRUCT_STRUCT;
|
| 105 |
|
|
PACK_STRUCT_END
|
| 106 |
|
|
#ifdef PACK_STRUCT_USE_INCLUDES
|
| 107 |
|
|
# include "arch/epstruct.h"
|
| 108 |
|
|
#endif
|
| 109 |
|
|
|
| 110 |
|
|
/** 5 seconds period */
|
| 111 |
|
|
#define ARP_TMR_INTERVAL 5000
|
| 112 |
|
|
|
| 113 |
|
|
#define ETHTYPE_ARP 0x0806
|
| 114 |
|
|
#define ETHTYPE_IP 0x0800
|
| 115 |
|
|
|
| 116 |
|
|
void etharp_init(void);
|
| 117 |
|
|
void etharp_tmr(void);
|
| 118 |
|
|
void etharp_ip_input(struct netif *netif, struct pbuf *p);
|
| 119 |
|
|
void etharp_arp_input(struct netif *netif, struct eth_addr *ethaddr,
|
| 120 |
|
|
struct pbuf *p);
|
| 121 |
|
|
err_t etharp_output(struct netif *netif, struct ip_addr *ipaddr,
|
| 122 |
|
|
struct pbuf *q);
|
| 123 |
|
|
err_t etharp_query(struct netif *netif, struct ip_addr *ipaddr, struct pbuf *q);
|
| 124 |
|
|
err_t etharp_request(struct netif *netif, struct ip_addr *ipaddr);
|
| 125 |
|
|
|
| 126 |
|
|
#endif /* __NETIF_ARP_H__ */
|
