/* | |
* Copyright (c) 2001-2003 Swedish Institute of Computer Science. | |
* Copyright (c) 2003-2004 Leon Woestenberg <leon.woestenberg@axon.tv> | |
* Copyright (c) 2003-2004 Axon Digital Design B.V., The Netherlands. | |
* All rights reserved. | |
* | |
* Redistribution and use in source and binary forms, with or without modification, | |
* are permitted provided that the following conditions are met: | |
* | |
* 1. Redistributions of source code must retain the above copyright notice, | |
* this list of conditions and the following disclaimer. | |
* 2. Redistributions in binary form must reproduce the above copyright notice, | |
* this list of conditions and the following disclaimer in the documentation | |
* and/or other materials provided with the distribution. | |
* 3. The name of the author may not be used to endorse or promote products | |
* derived from this software without specific prior written permission. | |
* | |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT | |
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT | |
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY | |
* OF SUCH DAMAGE. | |
* | |
* This file is part of the lwIP TCP/IP stack. | |
* | |
* Author: Adam Dunkels <adam@sics.se> | |
* | |
*/ | |
#ifndef __NETIF_ETHARP_H__ | |
#define __NETIF_ETHARP_H__ | |
#include "lwip/opt.h" | |
#if LWIP_ARP /* don't build if not configured for use in lwipopts.h */ | |
#include "lwip/pbuf.h" | |
#include "lwip/ip_addr.h" | |
#include "lwip/netif.h" | |
#include "lwip/ip.h" | |
#ifdef __cplusplus | |
extern "C" { | |
#endif | |
#ifndef ETH_PAD_SIZE | |
#define ETH_PAD_SIZE 0 | |
#endif | |
#ifndef ETHARP_HWADDR_LEN | |
#define ETHARP_HWADDR_LEN 6 | |
#endif | |
#ifdef PACK_STRUCT_USE_INCLUDES | |
# include "arch/bpstruct.h" | |
#endif | |
PACK_STRUCT_BEGIN | |
#if (defined(__MWERKS__) || defined(__CWCC__)) | |
#pragma options align= packed | |
#endif | |
struct eth_addr { | |
PACK_STRUCT_FIELD(u8_t addr[ETHARP_HWADDR_LEN]); | |
} PACK_STRUCT_STRUCT; | |
PACK_STRUCT_END | |
#ifdef PACK_STRUCT_USE_INCLUDES | |
# include "arch/epstruct.h" | |
#endif | |
#ifdef PACK_STRUCT_USE_INCLUDES | |
# include "arch/bpstruct.h" | |
#endif | |
PACK_STRUCT_BEGIN | |
#if (defined(__MWERKS__) || defined(__CWCC__)) | |
#pragma options align= packed | |
#endif | |
struct eth_hdr { | |
#if ETH_PAD_SIZE | |
PACK_STRUCT_FIELD(u8_t padding[ETH_PAD_SIZE]); | |
#endif | |
PACK_STRUCT_FIELD(struct eth_addr dest); | |
PACK_STRUCT_FIELD(struct eth_addr src); | |
PACK_STRUCT_FIELD(u16_t type); | |
} PACK_STRUCT_STRUCT; | |
PACK_STRUCT_END | |
#ifdef PACK_STRUCT_USE_INCLUDES | |
# include "arch/epstruct.h" | |
#endif | |
#ifdef PACK_STRUCT_USE_INCLUDES | |
# include "arch/bpstruct.h" | |
#endif | |
PACK_STRUCT_BEGIN | |
#if (defined(__MWERKS__) || defined(__CWCC__)) | |
#pragma options align= packed | |
#endif | |
/** the ARP message */ | |
struct etharp_hdr { | |
PACK_STRUCT_FIELD(struct eth_hdr ethhdr); | |
PACK_STRUCT_FIELD(u16_t hwtype); | |
PACK_STRUCT_FIELD(u16_t proto); | |
PACK_STRUCT_FIELD(u16_t _hwlen_protolen); | |
PACK_STRUCT_FIELD(u16_t opcode); | |
PACK_STRUCT_FIELD(struct eth_addr shwaddr); | |
PACK_STRUCT_FIELD(struct ip_addr2 sipaddr); | |
PACK_STRUCT_FIELD(struct eth_addr dhwaddr); | |
PACK_STRUCT_FIELD(struct ip_addr2 dipaddr); | |
} PACK_STRUCT_STRUCT; | |
PACK_STRUCT_END | |
#ifdef PACK_STRUCT_USE_INCLUDES | |
# include "arch/epstruct.h" | |
#endif | |
#ifdef PACK_STRUCT_USE_INCLUDES | |
# include "arch/bpstruct.h" | |
#endif | |
PACK_STRUCT_BEGIN | |
#if (defined(__MWERKS__) || defined(__CWCC__)) | |
#pragma options align= packed | |
#endif | |
struct ethip_hdr { | |
PACK_STRUCT_FIELD(struct eth_hdr eth); | |
PACK_STRUCT_FIELD(struct ip_hdr ip); | |
} PACK_STRUCT_STRUCT; | |
PACK_STRUCT_END | |
#ifdef PACK_STRUCT_USE_INCLUDES | |
# include "arch/epstruct.h" | |
#endif | |
/** 5 seconds period */ | |
#define ARP_TMR_INTERVAL 5000 | |
#define ETHTYPE_ARP 0x0806 | |
#define ETHTYPE_IP 0x0800 | |
#define ETHTYPE_PPPOEDISC 0x8863 /* PPP Over Ethernet Discovery Stage */ | |
#define ETHTYPE_PPPOE 0x8864 /* PPP Over Ethernet Session Stage */ | |
/** ARP message types (opcodes) */ | |
#define ARP_REQUEST 1 | |
#define ARP_REPLY 2 | |
#if ARP_QUEUEING | |
/** struct for queueing outgoing packets for unknown address | |
* defined here to be accessed by memp.h | |
*/ | |
struct etharp_q_entry { | |
struct etharp_q_entry *next; | |
struct pbuf *p; | |
}; | |
#endif /* ARP_QUEUEING */ | |
#define etharp_init() /* Compatibility define, not init needed. */ | |
void etharp_tmr(void); | |
s8_t etharp_find_addr(struct netif *netif, struct ip_addr *ipaddr, | |
struct eth_addr **eth_ret, struct ip_addr **ip_ret); | |
void etharp_ip_input(struct netif *netif, struct pbuf *p); | |
void etharp_arp_input(struct netif *netif, struct eth_addr *ethaddr, | |
struct pbuf *p); | |
err_t etharp_output(struct netif *netif, struct pbuf *q, struct ip_addr *ipaddr); | |
err_t etharp_query(struct netif *netif, struct ip_addr *ipaddr, struct pbuf *q); | |
err_t etharp_request(struct netif *netif, struct ip_addr *ipaddr); | |
err_t ethernet_input(struct pbuf *p, struct netif *netif); | |
#if LWIP_AUTOIP | |
err_t etharp_raw(struct netif *netif, const struct eth_addr *ethsrc_addr, | |
const struct eth_addr *ethdst_addr, | |
const struct eth_addr *hwsrc_addr, const struct ip_addr *ipsrc_addr, | |
const struct eth_addr *hwdst_addr, const struct ip_addr *ipdst_addr, | |
const u16_t opcode); | |
#endif /* LWIP_AUTOIP */ | |
#define eth_addr_cmp(addr1, addr2) (memcmp((addr1)->addr, (addr2)->addr, ETHARP_HWADDR_LEN) == 0) | |
extern const struct eth_addr ethbroadcast, ethzero; | |
#ifdef __cplusplus | |
} | |
#endif | |
#endif /* LWIP_ARP */ | |
#endif /* __NETIF_ARP_H__ */ |