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Eric Wellmon / Http_Wifi_Fileserver

Serves a webpage and saves the user entered data in a .txt file all on the MBED

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Fork of EthernetNetIf by Donatien Garnier

LPC2368/lwip/include/netif/etharp.h@0:422060928e37, 2010-06-11 (annotated)

Committer:: donatien
Date:: Fri Jun 11 16:25:22 2010 +0000
Revision:: 0:422060928e37
Child:: 5:bc7df6da7589

Who changed what in which revision?

User	Revision	Line number	New contents of line
donatien	0:422060928e37	1	/*
donatien	0:422060928e37	2	* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
donatien	0:422060928e37	3	* Copyright (c) 2003-2004 Leon Woestenberg <leon.woestenberg@axon.tv>
donatien	0:422060928e37	4	* Copyright (c) 2003-2004 Axon Digital Design B.V., The Netherlands.
donatien	0:422060928e37	5	* All rights reserved.
donatien	0:422060928e37	6	*
donatien	0:422060928e37	7	* Redistribution and use in source and binary forms, with or without modification,
donatien	0:422060928e37	8	* are permitted provided that the following conditions are met:
donatien	0:422060928e37	9	*
donatien	0:422060928e37	10	* 1. Redistributions of source code must retain the above copyright notice,
donatien	0:422060928e37	11	* this list of conditions and the following disclaimer.
donatien	0:422060928e37	12	* 2. Redistributions in binary form must reproduce the above copyright notice,
donatien	0:422060928e37	13	* this list of conditions and the following disclaimer in the documentation
donatien	0:422060928e37	14	* and/or other materials provided with the distribution.
donatien	0:422060928e37	15	* 3. The name of the author may not be used to endorse or promote products
donatien	0:422060928e37	16	* derived from this software without specific prior written permission.
donatien	0:422060928e37	17	*
donatien	0:422060928e37	18	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
donatien	0:422060928e37	19	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
donatien	0:422060928e37	20	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
donatien	0:422060928e37	21	* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
donatien	0:422060928e37	22	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
donatien	0:422060928e37	23	* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
donatien	0:422060928e37	24	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
donatien	0:422060928e37	25	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
donatien	0:422060928e37	26	* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
donatien	0:422060928e37	27	* OF SUCH DAMAGE.
donatien	0:422060928e37	28	*
donatien	0:422060928e37	29	* This file is part of the lwIP TCP/IP stack.
donatien	0:422060928e37	30	*
donatien	0:422060928e37	31	* Author: Adam Dunkels <adam@sics.se>
donatien	0:422060928e37	32	*
donatien	0:422060928e37	33	*/
donatien	0:422060928e37	34
donatien	0:422060928e37	35	#ifndef __NETIF_ETHARP_H__
donatien	0:422060928e37	36	#define __NETIF_ETHARP_H__
donatien	0:422060928e37	37
donatien	0:422060928e37	38	#include "lwip/opt.h"
donatien	0:422060928e37	39
donatien	0:422060928e37	40	#if LWIP_ARP \|\| LWIP_ETHERNET /* don't build if not configured for use in lwipopts.h */
donatien	0:422060928e37	41
donatien	0:422060928e37	42	#include "lwip/pbuf.h"
donatien	0:422060928e37	43	#include "lwip/ip_addr.h"
donatien	0:422060928e37	44	#include "lwip/netif.h"
donatien	0:422060928e37	45	#include "lwip/ip.h"
donatien	0:422060928e37	46
donatien	0:422060928e37	47	#ifdef __cplusplus
donatien	0:422060928e37	48	extern "C" {
donatien	0:422060928e37	49	#endif
donatien	0:422060928e37	50
donatien	0:422060928e37	51	#ifndef ETHARP_HWADDR_LEN
donatien	0:422060928e37	52	#define ETHARP_HWADDR_LEN 6
donatien	0:422060928e37	53	#endif
donatien	0:422060928e37	54
donatien	0:422060928e37	55	#ifdef PACK_STRUCT_USE_INCLUDES
donatien	0:422060928e37	56	# include "arch/bpstruct.h"
donatien	0:422060928e37	57	#endif
donatien	0:422060928e37	58	PACK_STRUCT_BEGIN
donatien	0:422060928e37	59	struct eth_addr {
donatien	0:422060928e37	60	PACK_STRUCT_FIELD(u8_t addr[ETHARP_HWADDR_LEN]);
donatien	0:422060928e37	61	} PACK_STRUCT_STRUCT;
donatien	0:422060928e37	62	PACK_STRUCT_END
donatien	0:422060928e37	63	#ifdef PACK_STRUCT_USE_INCLUDES
donatien	0:422060928e37	64	# include "arch/epstruct.h"
donatien	0:422060928e37	65	#endif
donatien	0:422060928e37	66
donatien	0:422060928e37	67	#ifdef PACK_STRUCT_USE_INCLUDES
donatien	0:422060928e37	68	# include "arch/bpstruct.h"
donatien	0:422060928e37	69	#endif
donatien	0:422060928e37	70	PACK_STRUCT_BEGIN
donatien	0:422060928e37	71	/** Ethernet header */
donatien	0:422060928e37	72	struct eth_hdr {
donatien	0:422060928e37	73	#if ETH_PAD_SIZE
donatien	0:422060928e37	74	PACK_STRUCT_FIELD(u8_t padding[ETH_PAD_SIZE]);
donatien	0:422060928e37	75	#endif
donatien	0:422060928e37	76	PACK_STRUCT_FIELD(struct eth_addr dest);
donatien	0:422060928e37	77	PACK_STRUCT_FIELD(struct eth_addr src);
donatien	0:422060928e37	78	PACK_STRUCT_FIELD(u16_t type);
donatien	0:422060928e37	79	} PACK_STRUCT_STRUCT;
donatien	0:422060928e37	80	PACK_STRUCT_END
donatien	0:422060928e37	81	#ifdef PACK_STRUCT_USE_INCLUDES
donatien	0:422060928e37	82	# include "arch/epstruct.h"
donatien	0:422060928e37	83	#endif
donatien	0:422060928e37	84
donatien	0:422060928e37	85	#define SIZEOF_ETH_HDR (14 + ETH_PAD_SIZE)
donatien	0:422060928e37	86
donatien	0:422060928e37	87	#if ETHARP_SUPPORT_VLAN
donatien	0:422060928e37	88
donatien	0:422060928e37	89	#ifdef PACK_STRUCT_USE_INCLUDES
donatien	0:422060928e37	90	# include "arch/bpstruct.h"
donatien	0:422060928e37	91	#endif
donatien	0:422060928e37	92	PACK_STRUCT_BEGIN
donatien	0:422060928e37	93	/** VLAN header inserted between ethernet header and payload
donatien	0:422060928e37	94	* if 'type' in ethernet header is ETHTYPE_VLAN.
donatien	0:422060928e37	95	* See IEEE802.Q */
donatien	0:422060928e37	96	struct eth_vlan_hdr {
donatien	0:422060928e37	97	PACK_STRUCT_FIELD(u16_t tpid);
donatien	0:422060928e37	98	PACK_STRUCT_FIELD(u16_t prio_vid);
donatien	0:422060928e37	99	} PACK_STRUCT_STRUCT;
donatien	0:422060928e37	100	PACK_STRUCT_END
donatien	0:422060928e37	101	#ifdef PACK_STRUCT_USE_INCLUDES
donatien	0:422060928e37	102	# include "arch/epstruct.h"
donatien	0:422060928e37	103	#endif
donatien	0:422060928e37	104
donatien	0:422060928e37	105	#define SIZEOF_VLAN_HDR 4
donatien	0:422060928e37	106	#define VLAN_ID(vlan_hdr) (htons((vlan_hdr)->prio_vid) & 0xFFF)
donatien	0:422060928e37	107
donatien	0:422060928e37	108	#endif /* ETHARP_SUPPORT_VLAN */
donatien	0:422060928e37	109
donatien	0:422060928e37	110	#ifdef PACK_STRUCT_USE_INCLUDES
donatien	0:422060928e37	111	# include "arch/bpstruct.h"
donatien	0:422060928e37	112	#endif
donatien	0:422060928e37	113	PACK_STRUCT_BEGIN
donatien	0:422060928e37	114	/** the ARP message, see RFC 826 ("Packet format") */
donatien	0:422060928e37	115	struct etharp_hdr {
donatien	0:422060928e37	116	PACK_STRUCT_FIELD(u16_t hwtype);
donatien	0:422060928e37	117	PACK_STRUCT_FIELD(u16_t proto);
donatien	0:422060928e37	118	PACK_STRUCT_FIELD(u16_t _hwlen_protolen);
donatien	0:422060928e37	119	PACK_STRUCT_FIELD(u16_t opcode);
donatien	0:422060928e37	120	PACK_STRUCT_FIELD(struct eth_addr shwaddr);
donatien	0:422060928e37	121	PACK_STRUCT_FIELD(struct ip_addr2 sipaddr);
donatien	0:422060928e37	122	PACK_STRUCT_FIELD(struct eth_addr dhwaddr);
donatien	0:422060928e37	123	PACK_STRUCT_FIELD(struct ip_addr2 dipaddr);
donatien	0:422060928e37	124	} PACK_STRUCT_STRUCT;
donatien	0:422060928e37	125	PACK_STRUCT_END
donatien	0:422060928e37	126	#ifdef PACK_STRUCT_USE_INCLUDES
donatien	0:422060928e37	127	# include "arch/epstruct.h"
donatien	0:422060928e37	128	#endif
donatien	0:422060928e37	129
donatien	0:422060928e37	130	#define SIZEOF_ETHARP_HDR 28
donatien	0:422060928e37	131	#define SIZEOF_ETHARP_PACKET (SIZEOF_ETH_HDR + SIZEOF_ETHARP_HDR)
donatien	0:422060928e37	132
donatien	0:422060928e37	133	/** 5 seconds period */
donatien	0:422060928e37	134	#define ARP_TMR_INTERVAL 5000
donatien	0:422060928e37	135
donatien	0:422060928e37	136	#define ETHTYPE_ARP 0x0806
donatien	0:422060928e37	137	#define ETHTYPE_IP 0x0800
donatien	0:422060928e37	138	#define ETHTYPE_VLAN 0x8100
donatien	0:422060928e37	139	#define ETHTYPE_PPPOEDISC 0x8863 /* PPP Over Ethernet Discovery Stage */
donatien	0:422060928e37	140	#define ETHTYPE_PPPOE 0x8864 /* PPP Over Ethernet Session Stage */
donatien	0:422060928e37	141
donatien	0:422060928e37	142	#if LWIP_ARP /* don't build if not configured for use in lwipopts.h */
donatien	0:422060928e37	143
donatien	0:422060928e37	144	/** ARP message types (opcodes) */
donatien	0:422060928e37	145	#define ARP_REQUEST 1
donatien	0:422060928e37	146	#define ARP_REPLY 2
donatien	0:422060928e37	147
donatien	0:422060928e37	148	#if ARP_QUEUEING
donatien	0:422060928e37	149	/** struct for queueing outgoing packets for unknown address
donatien	0:422060928e37	150	* defined here to be accessed by memp.h
donatien	0:422060928e37	151	*/
donatien	0:422060928e37	152	struct etharp_q_entry {
donatien	0:422060928e37	153	struct etharp_q_entry *next;
donatien	0:422060928e37	154	struct pbuf *p;
donatien	0:422060928e37	155	};
donatien	0:422060928e37	156	#endif /* ARP_QUEUEING */
donatien	0:422060928e37	157
donatien	0:422060928e37	158	#define etharp_init() /* Compatibility define, not init needed. */
donatien	0:422060928e37	159	void etharp_tmr(void);
donatien	0:422060928e37	160	s8_t etharp_find_addr(struct netif netif, ip_addr_t ipaddr,
donatien	0:422060928e37	161	struct eth_addr eth_ret, ip_addr_t ip_ret);
donatien	0:422060928e37	162	err_t etharp_output(struct netif netif, struct pbuf q, ip_addr_t *ipaddr);
donatien	0:422060928e37	163	err_t etharp_query(struct netif netif, ip_addr_t ipaddr, struct pbuf *q);
donatien	0:422060928e37	164	err_t etharp_request(struct netif netif, ip_addr_t ipaddr);
donatien	0:422060928e37	165	/** For Ethernet network interfaces, we might want to send "gratuitous ARP";
donatien	0:422060928e37	166	* this is an ARP packet sent by a node in order to spontaneously cause other
donatien	0:422060928e37	167	* nodes to update an entry in their ARP cache.
donatien	0:422060928e37	168	* From RFC 3220 "IP Mobility Support for IPv4" section 4.6. */
donatien	0:422060928e37	169	#define etharp_gratuitous(netif) etharp_request((netif), &(netif)->ip_addr)
donatien	0:422060928e37	170
donatien	0:422060928e37	171	#if LWIP_AUTOIP
donatien	0:422060928e37	172	err_t etharp_raw(struct netif netif, const struct eth_addr ethsrc_addr,
donatien	0:422060928e37	173	const struct eth_addr *ethdst_addr,
donatien	0:422060928e37	174	const struct eth_addr hwsrc_addr, const ip_addr_t ipsrc_addr,
donatien	0:422060928e37	175	const struct eth_addr hwdst_addr, const ip_addr_t ipdst_addr,
donatien	0:422060928e37	176	const u16_t opcode);
donatien	0:422060928e37	177	#endif /* LWIP_AUTOIP */
donatien	0:422060928e37	178
donatien	0:422060928e37	179
donatien	0:422060928e37	180	#endif /* LWIP_ARP */
donatien	0:422060928e37	181
donatien	0:422060928e37	182	err_t ethernet_input(struct pbuf p, struct netif netif);
donatien	0:422060928e37	183
donatien	0:422060928e37	184	#define eth_addr_cmp(addr1, addr2) (memcmp((addr1)->addr, (addr2)->addr, ETHARP_HWADDR_LEN) == 0)
donatien	0:422060928e37	185
donatien	0:422060928e37	186	extern const struct eth_addr ethbroadcast, ethzero;
donatien	0:422060928e37	187
donatien	0:422060928e37	188	#ifdef __cplusplus
donatien	0:422060928e37	189	}
donatien	0:422060928e37	190	#endif
donatien	0:422060928e37	191
donatien	0:422060928e37	192	#endif /* LWIP_ARP \|\| LWIP_ETHERNET */
donatien	0:422060928e37	193
donatien	0:422060928e37	194	#endif /* __NETIF_ARP_H__ */

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Type:	Program
Created:	29 Sep 2014
Imports:	3
Forks:	0
Commits:	7
Dependents:	1
Dependencies:	0
Followers:	1

LPC2368/lwip/include/netif/etharp.h@0:422060928e37, 2010-06-11 (annotated)

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