AmpereMeter - Example self-announcing webserver which controls …

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Dirk-Willem van Gulik (NXP/mbed) / Mbed 2 deprecated AmpereMeter

Example self-announcing webserver which controls a servo through a smallHTML userinterface.

lwip/include/netif/etharp.h@0:a259777c45a3, 2010-08-14 (annotated)

Committer:: dirkx
Date:: Sat Aug 14 15:56:01 2010 +0000
Revision:: 0:a259777c45a3

Who changed what in which revision?

User	Revision	Line number	New contents of line
dirkx	0:a259777c45a3	1	/*
dirkx	0:a259777c45a3	2	* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
dirkx	0:a259777c45a3	3	* Copyright (c) 2003-2004 Leon Woestenberg <leon.woestenberg@axon.tv>
dirkx	0:a259777c45a3	4	* Copyright (c) 2003-2004 Axon Digital Design B.V., The Netherlands.
dirkx	0:a259777c45a3	5	* All rights reserved.
dirkx	0:a259777c45a3	6	*
dirkx	0:a259777c45a3	7	* Redistribution and use in source and binary forms, with or without modification,
dirkx	0:a259777c45a3	8	* are permitted provided that the following conditions are met:
dirkx	0:a259777c45a3	9	*
dirkx	0:a259777c45a3	10	* 1. Redistributions of source code must retain the above copyright notice,
dirkx	0:a259777c45a3	11	* this list of conditions and the following disclaimer.
dirkx	0:a259777c45a3	12	* 2. Redistributions in binary form must reproduce the above copyright notice,
dirkx	0:a259777c45a3	13	* this list of conditions and the following disclaimer in the documentation
dirkx	0:a259777c45a3	14	* and/or other materials provided with the distribution.
dirkx	0:a259777c45a3	15	* 3. The name of the author may not be used to endorse or promote products
dirkx	0:a259777c45a3	16	* derived from this software without specific prior written permission.
dirkx	0:a259777c45a3	17	*
dirkx	0:a259777c45a3	18	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
dirkx	0:a259777c45a3	19	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
dirkx	0:a259777c45a3	20	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
dirkx	0:a259777c45a3	21	* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
dirkx	0:a259777c45a3	22	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
dirkx	0:a259777c45a3	23	* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
dirkx	0:a259777c45a3	24	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
dirkx	0:a259777c45a3	25	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
dirkx	0:a259777c45a3	26	* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
dirkx	0:a259777c45a3	27	* OF SUCH DAMAGE.
dirkx	0:a259777c45a3	28	*
dirkx	0:a259777c45a3	29	* This file is part of the lwIP TCP/IP stack.
dirkx	0:a259777c45a3	30	*
dirkx	0:a259777c45a3	31	* Author: Adam Dunkels <adam@sics.se>
dirkx	0:a259777c45a3	32	*
dirkx	0:a259777c45a3	33	*/
dirkx	0:a259777c45a3	34
dirkx	0:a259777c45a3	35	#ifndef __NETIF_ETHARP_H__
dirkx	0:a259777c45a3	36	#define __NETIF_ETHARP_H__
dirkx	0:a259777c45a3	37
dirkx	0:a259777c45a3	38	#include "lwip/opt.h"
dirkx	0:a259777c45a3	39
dirkx	0:a259777c45a3	40	#if LWIP_ARP \|\| LWIP_ETHERNET /* don't build if not configured for use in lwipopts.h */
dirkx	0:a259777c45a3	41
dirkx	0:a259777c45a3	42	#include "lwip/pbuf.h"
dirkx	0:a259777c45a3	43	#include "lwip/ip_addr.h"
dirkx	0:a259777c45a3	44	#include "lwip/netif.h"
dirkx	0:a259777c45a3	45	#include "lwip/ip.h"
dirkx	0:a259777c45a3	46
dirkx	0:a259777c45a3	47	#ifdef __cplusplus
dirkx	0:a259777c45a3	48	extern "C" {
dirkx	0:a259777c45a3	49	#endif
dirkx	0:a259777c45a3	50
dirkx	0:a259777c45a3	51	#ifndef ETHARP_HWADDR_LEN
dirkx	0:a259777c45a3	52	#define ETHARP_HWADDR_LEN 6
dirkx	0:a259777c45a3	53	#endif
dirkx	0:a259777c45a3	54
dirkx	0:a259777c45a3	55	#ifdef PACK_STRUCT_USE_INCLUDES
dirkx	0:a259777c45a3	56	# include "arch/bpstruct.h"
dirkx	0:a259777c45a3	57	#endif
dirkx	0:a259777c45a3	58	PACK_STRUCT_BEGIN
dirkx	0:a259777c45a3	59	struct eth_addr {
dirkx	0:a259777c45a3	60	PACK_STRUCT_FIELD(u8_t addr[ETHARP_HWADDR_LEN]);
dirkx	0:a259777c45a3	61	} PACK_STRUCT_STRUCT;
dirkx	0:a259777c45a3	62	PACK_STRUCT_END
dirkx	0:a259777c45a3	63	#ifdef PACK_STRUCT_USE_INCLUDES
dirkx	0:a259777c45a3	64	# include "arch/epstruct.h"
dirkx	0:a259777c45a3	65	#endif
dirkx	0:a259777c45a3	66
dirkx	0:a259777c45a3	67	#ifdef PACK_STRUCT_USE_INCLUDES
dirkx	0:a259777c45a3	68	# include "arch/bpstruct.h"
dirkx	0:a259777c45a3	69	#endif
dirkx	0:a259777c45a3	70	PACK_STRUCT_BEGIN
dirkx	0:a259777c45a3	71	/** Ethernet header */
dirkx	0:a259777c45a3	72	struct eth_hdr {
dirkx	0:a259777c45a3	73	#if ETH_PAD_SIZE
dirkx	0:a259777c45a3	74	PACK_STRUCT_FIELD(u8_t padding[ETH_PAD_SIZE]);
dirkx	0:a259777c45a3	75	#endif
dirkx	0:a259777c45a3	76	PACK_STRUCT_FIELD(struct eth_addr dest);
dirkx	0:a259777c45a3	77	PACK_STRUCT_FIELD(struct eth_addr src);
dirkx	0:a259777c45a3	78	PACK_STRUCT_FIELD(u16_t type);
dirkx	0:a259777c45a3	79	} PACK_STRUCT_STRUCT;
dirkx	0:a259777c45a3	80	PACK_STRUCT_END
dirkx	0:a259777c45a3	81	#ifdef PACK_STRUCT_USE_INCLUDES
dirkx	0:a259777c45a3	82	# include "arch/epstruct.h"
dirkx	0:a259777c45a3	83	#endif
dirkx	0:a259777c45a3	84
dirkx	0:a259777c45a3	85	#define SIZEOF_ETH_HDR (14 + ETH_PAD_SIZE)
dirkx	0:a259777c45a3	86
dirkx	0:a259777c45a3	87	#if ETHARP_SUPPORT_VLAN
dirkx	0:a259777c45a3	88
dirkx	0:a259777c45a3	89	#ifdef PACK_STRUCT_USE_INCLUDES
dirkx	0:a259777c45a3	90	# include "arch/bpstruct.h"
dirkx	0:a259777c45a3	91	#endif
dirkx	0:a259777c45a3	92	PACK_STRUCT_BEGIN
dirkx	0:a259777c45a3	93	/** VLAN header inserted between ethernet header and payload
dirkx	0:a259777c45a3	94	* if 'type' in ethernet header is ETHTYPE_VLAN.
dirkx	0:a259777c45a3	95	* See IEEE802.Q */
dirkx	0:a259777c45a3	96	struct eth_vlan_hdr {
dirkx	0:a259777c45a3	97	PACK_STRUCT_FIELD(u16_t tpid);
dirkx	0:a259777c45a3	98	PACK_STRUCT_FIELD(u16_t prio_vid);
dirkx	0:a259777c45a3	99	} PACK_STRUCT_STRUCT;
dirkx	0:a259777c45a3	100	PACK_STRUCT_END
dirkx	0:a259777c45a3	101	#ifdef PACK_STRUCT_USE_INCLUDES
dirkx	0:a259777c45a3	102	# include "arch/epstruct.h"
dirkx	0:a259777c45a3	103	#endif
dirkx	0:a259777c45a3	104
dirkx	0:a259777c45a3	105	#define SIZEOF_VLAN_HDR 4
dirkx	0:a259777c45a3	106	#define VLAN_ID(vlan_hdr) (htons((vlan_hdr)->prio_vid) & 0xFFF)
dirkx	0:a259777c45a3	107
dirkx	0:a259777c45a3	108	#endif /* ETHARP_SUPPORT_VLAN */
dirkx	0:a259777c45a3	109
dirkx	0:a259777c45a3	110	#ifdef PACK_STRUCT_USE_INCLUDES
dirkx	0:a259777c45a3	111	# include "arch/bpstruct.h"
dirkx	0:a259777c45a3	112	#endif
dirkx	0:a259777c45a3	113	PACK_STRUCT_BEGIN
dirkx	0:a259777c45a3	114	/** the ARP message, see RFC 826 ("Packet format") */
dirkx	0:a259777c45a3	115	struct etharp_hdr {
dirkx	0:a259777c45a3	116	PACK_STRUCT_FIELD(u16_t hwtype);
dirkx	0:a259777c45a3	117	PACK_STRUCT_FIELD(u16_t proto);
dirkx	0:a259777c45a3	118	PACK_STRUCT_FIELD(u16_t _hwlen_protolen);
dirkx	0:a259777c45a3	119	PACK_STRUCT_FIELD(u16_t opcode);
dirkx	0:a259777c45a3	120	PACK_STRUCT_FIELD(struct eth_addr shwaddr);
dirkx	0:a259777c45a3	121	PACK_STRUCT_FIELD(struct ip_addr2 sipaddr);
dirkx	0:a259777c45a3	122	PACK_STRUCT_FIELD(struct eth_addr dhwaddr);
dirkx	0:a259777c45a3	123	PACK_STRUCT_FIELD(struct ip_addr2 dipaddr);
dirkx	0:a259777c45a3	124	} PACK_STRUCT_STRUCT;
dirkx	0:a259777c45a3	125	PACK_STRUCT_END
dirkx	0:a259777c45a3	126	#ifdef PACK_STRUCT_USE_INCLUDES
dirkx	0:a259777c45a3	127	# include "arch/epstruct.h"
dirkx	0:a259777c45a3	128	#endif
dirkx	0:a259777c45a3	129
dirkx	0:a259777c45a3	130	#define SIZEOF_ETHARP_HDR 28
dirkx	0:a259777c45a3	131	#define SIZEOF_ETHARP_PACKET (SIZEOF_ETH_HDR + SIZEOF_ETHARP_HDR)
dirkx	0:a259777c45a3	132
dirkx	0:a259777c45a3	133	/** 5 seconds period */
dirkx	0:a259777c45a3	134	#define ARP_TMR_INTERVAL 5000
dirkx	0:a259777c45a3	135
dirkx	0:a259777c45a3	136	#define ETHTYPE_ARP 0x0806
dirkx	0:a259777c45a3	137	#define ETHTYPE_IP 0x0800
dirkx	0:a259777c45a3	138	#define ETHTYPE_VLAN 0x8100
dirkx	0:a259777c45a3	139	#define ETHTYPE_PPPOEDISC 0x8863 /* PPP Over Ethernet Discovery Stage */
dirkx	0:a259777c45a3	140	#define ETHTYPE_PPPOE 0x8864 /* PPP Over Ethernet Session Stage */
dirkx	0:a259777c45a3	141
dirkx	0:a259777c45a3	142	#if LWIP_ARP /* don't build if not configured for use in lwipopts.h */
dirkx	0:a259777c45a3	143
dirkx	0:a259777c45a3	144	/** ARP message types (opcodes) */
dirkx	0:a259777c45a3	145	#define ARP_REQUEST 1
dirkx	0:a259777c45a3	146	#define ARP_REPLY 2
dirkx	0:a259777c45a3	147
dirkx	0:a259777c45a3	148	#if ARP_QUEUEING
dirkx	0:a259777c45a3	149	/** struct for queueing outgoing packets for unknown address
dirkx	0:a259777c45a3	150	* defined here to be accessed by memp.h
dirkx	0:a259777c45a3	151	*/
dirkx	0:a259777c45a3	152	struct etharp_q_entry {
dirkx	0:a259777c45a3	153	struct etharp_q_entry *next;
dirkx	0:a259777c45a3	154	struct pbuf *p;
dirkx	0:a259777c45a3	155	};
dirkx	0:a259777c45a3	156	#endif /* ARP_QUEUEING */
dirkx	0:a259777c45a3	157
dirkx	0:a259777c45a3	158	#define etharp_init() /* Compatibility define, not init needed. */
dirkx	0:a259777c45a3	159	void etharp_tmr(void);
dirkx	0:a259777c45a3	160	s8_t etharp_find_addr(struct netif netif, ip_addr_t ipaddr,
dirkx	0:a259777c45a3	161	struct eth_addr eth_ret, ip_addr_t ip_ret);
dirkx	0:a259777c45a3	162	err_t etharp_output(struct netif netif, struct pbuf q, ip_addr_t *ipaddr);
dirkx	0:a259777c45a3	163	err_t etharp_query(struct netif netif, ip_addr_t ipaddr, struct pbuf *q);
dirkx	0:a259777c45a3	164	err_t etharp_request(struct netif netif, ip_addr_t ipaddr);
dirkx	0:a259777c45a3	165	/** For Ethernet network interfaces, we might want to send "gratuitous ARP";
dirkx	0:a259777c45a3	166	* this is an ARP packet sent by a node in order to spontaneously cause other
dirkx	0:a259777c45a3	167	* nodes to update an entry in their ARP cache.
dirkx	0:a259777c45a3	168	* From RFC 3220 "IP Mobility Support for IPv4" section 4.6. */
dirkx	0:a259777c45a3	169	#define etharp_gratuitous(netif) etharp_request((netif), &(netif)->ip_addr)
dirkx	0:a259777c45a3	170
dirkx	0:a259777c45a3	171	#if LWIP_AUTOIP
dirkx	0:a259777c45a3	172	err_t etharp_raw(struct netif netif, const struct eth_addr ethsrc_addr,
dirkx	0:a259777c45a3	173	const struct eth_addr *ethdst_addr,
dirkx	0:a259777c45a3	174	const struct eth_addr hwsrc_addr, const ip_addr_t ipsrc_addr,
dirkx	0:a259777c45a3	175	const struct eth_addr hwdst_addr, const ip_addr_t ipdst_addr,
dirkx	0:a259777c45a3	176	const u16_t opcode);
dirkx	0:a259777c45a3	177	#endif /* LWIP_AUTOIP */
dirkx	0:a259777c45a3	178
dirkx	0:a259777c45a3	179
dirkx	0:a259777c45a3	180	#endif /* LWIP_ARP */
dirkx	0:a259777c45a3	181
dirkx	0:a259777c45a3	182	err_t ethernet_input(struct pbuf p, struct netif netif);
dirkx	0:a259777c45a3	183
dirkx	0:a259777c45a3	184	#define eth_addr_cmp(addr1, addr2) (memcmp((addr1)->addr, (addr2)->addr, ETHARP_HWADDR_LEN) == 0)
dirkx	0:a259777c45a3	185
dirkx	0:a259777c45a3	186	extern const struct eth_addr ethbroadcast, ethzero;
dirkx	0:a259777c45a3	187
dirkx	0:a259777c45a3	188	#ifdef __cplusplus
dirkx	0:a259777c45a3	189	}
dirkx	0:a259777c45a3	190	#endif
dirkx	0:a259777c45a3	191
dirkx	0:a259777c45a3	192	#endif /* LWIP_ARP \|\| LWIP_ETHERNET */
dirkx	0:a259777c45a3	193
dirkx	0:a259777c45a3	194	#endif /* __NETIF_ARP_H__ */

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	14 Aug 2010
Imports:	49
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	2
Followers:	1

lwip/include/netif/etharp.h@0:a259777c45a3, 2010-08-14 (annotated)

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