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