UDPtest - Some quick code to use UDP-only (no TCP) with mBe…

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Some quick code to use UDP-only (no TCP) with mBed. Echos received packets and sends packets when a button is pressed

Core/lwIP/include/ipv4/lwip/ip_addr.h@0:a548a085de55, 2010-03-14 (annotated)

Committer:: pehrhovey
Date:: Sun Mar 14 00:54:12 2010 +0000
Revision:: 0:a548a085de55

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User	Revision	Line number	New contents of line
pehrhovey	0:a548a085de55	1	/*
pehrhovey	0:a548a085de55	2	* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
pehrhovey	0:a548a085de55	3	* All rights reserved.
pehrhovey	0:a548a085de55	4	*
pehrhovey	0:a548a085de55	5	* Redistribution and use in source and binary forms, with or without modification,
pehrhovey	0:a548a085de55	6	* are permitted provided that the following conditions are met:
pehrhovey	0:a548a085de55	7	*
pehrhovey	0:a548a085de55	8	* 1. Redistributions of source code must retain the above copyright notice,
pehrhovey	0:a548a085de55	9	* this list of conditions and the following disclaimer.
pehrhovey	0:a548a085de55	10	* 2. Redistributions in binary form must reproduce the above copyright notice,
pehrhovey	0:a548a085de55	11	* this list of conditions and the following disclaimer in the documentation
pehrhovey	0:a548a085de55	12	* and/or other materials provided with the distribution.
pehrhovey	0:a548a085de55	13	* 3. The name of the author may not be used to endorse or promote products
pehrhovey	0:a548a085de55	14	* derived from this software without specific prior written permission.
pehrhovey	0:a548a085de55	15	*
pehrhovey	0:a548a085de55	16	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
pehrhovey	0:a548a085de55	17	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
pehrhovey	0:a548a085de55	18	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
pehrhovey	0:a548a085de55	19	* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
pehrhovey	0:a548a085de55	20	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
pehrhovey	0:a548a085de55	21	* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
pehrhovey	0:a548a085de55	22	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
pehrhovey	0:a548a085de55	23	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
pehrhovey	0:a548a085de55	24	* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
pehrhovey	0:a548a085de55	25	* OF SUCH DAMAGE.
pehrhovey	0:a548a085de55	26	*
pehrhovey	0:a548a085de55	27	* This file is part of the lwIP TCP/IP stack.
pehrhovey	0:a548a085de55	28	*
pehrhovey	0:a548a085de55	29	* Author: Adam Dunkels <adam@sics.se>
pehrhovey	0:a548a085de55	30	*
pehrhovey	0:a548a085de55	31	*/
pehrhovey	0:a548a085de55	32	#ifndef __LWIP_IP_ADDR_H__
pehrhovey	0:a548a085de55	33	#define __LWIP_IP_ADDR_H__
pehrhovey	0:a548a085de55	34
pehrhovey	0:a548a085de55	35	#include "lwip/opt.h"
pehrhovey	0:a548a085de55	36
pehrhovey	0:a548a085de55	37	#include "lwip/inet.h"
pehrhovey	0:a548a085de55	38
pehrhovey	0:a548a085de55	39	#ifdef __cplusplus
pehrhovey	0:a548a085de55	40	extern "C" {
pehrhovey	0:a548a085de55	41	#endif
pehrhovey	0:a548a085de55	42
pehrhovey	0:a548a085de55	43	#ifdef PACK_STRUCT_USE_INCLUDES
pehrhovey	0:a548a085de55	44	# include "arch/bpstruct.h"
pehrhovey	0:a548a085de55	45	#endif
pehrhovey	0:a548a085de55	46	PACK_STRUCT_BEGIN
pehrhovey	0:a548a085de55	47	struct ip_addr {
pehrhovey	0:a548a085de55	48	PACK_STRUCT_FIELD(u32_t addr);
pehrhovey	0:a548a085de55	49	} PACK_STRUCT_STRUCT;
pehrhovey	0:a548a085de55	50	PACK_STRUCT_END
pehrhovey	0:a548a085de55	51	#ifdef PACK_STRUCT_USE_INCLUDES
pehrhovey	0:a548a085de55	52	# include "arch/epstruct.h"
pehrhovey	0:a548a085de55	53	#endif
pehrhovey	0:a548a085de55	54
pehrhovey	0:a548a085de55	55	/*
pehrhovey	0:a548a085de55	56	* struct ipaddr2 is used in the definition of the ARP packet format in
pehrhovey	0:a548a085de55	57	* order to support compilers that don't have structure packing.
pehrhovey	0:a548a085de55	58	*/
pehrhovey	0:a548a085de55	59	#ifdef PACK_STRUCT_USE_INCLUDES
pehrhovey	0:a548a085de55	60	# include "arch/bpstruct.h"
pehrhovey	0:a548a085de55	61	#endif
pehrhovey	0:a548a085de55	62	PACK_STRUCT_BEGIN
pehrhovey	0:a548a085de55	63	struct ip_addr2 {
pehrhovey	0:a548a085de55	64	PACK_STRUCT_FIELD(u16_t addrw[2]);
pehrhovey	0:a548a085de55	65	} PACK_STRUCT_STRUCT;
pehrhovey	0:a548a085de55	66	PACK_STRUCT_END
pehrhovey	0:a548a085de55	67	#ifdef PACK_STRUCT_USE_INCLUDES
pehrhovey	0:a548a085de55	68	# include "arch/epstruct.h"
pehrhovey	0:a548a085de55	69	#endif
pehrhovey	0:a548a085de55	70
pehrhovey	0:a548a085de55	71	struct netif;
pehrhovey	0:a548a085de55	72
pehrhovey	0:a548a085de55	73	extern const struct ip_addr ip_addr_any;
pehrhovey	0:a548a085de55	74	extern const struct ip_addr ip_addr_broadcast;
pehrhovey	0:a548a085de55	75
pehrhovey	0:a548a085de55	76	/** IP_ADDR_ can be used as a fixed IP address
pehrhovey	0:a548a085de55	77	* for the wildcard and the broadcast address
pehrhovey	0:a548a085de55	78	*/
pehrhovey	0:a548a085de55	79	#define IP_ADDR_ANY ((struct ip_addr *)&ip_addr_any)
pehrhovey	0:a548a085de55	80	#define IP_ADDR_BROADCAST ((struct ip_addr *)&ip_addr_broadcast)
pehrhovey	0:a548a085de55	81
pehrhovey	0:a548a085de55	82	/* Definitions of the bits in an Internet address integer.
pehrhovey	0:a548a085de55	83
pehrhovey	0:a548a085de55	84	On subnets, host and network parts are found according to
pehrhovey	0:a548a085de55	85	the subnet mask, not these masks. */
pehrhovey	0:a548a085de55	86
pehrhovey	0:a548a085de55	87	#define IN_CLASSA(a) ((((u32_t)(a)) & 0x80000000UL) == 0)
pehrhovey	0:a548a085de55	88	#define IN_CLASSA_NET 0xff000000
pehrhovey	0:a548a085de55	89	#define IN_CLASSA_NSHIFT 24
pehrhovey	0:a548a085de55	90	#define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET)
pehrhovey	0:a548a085de55	91	#define IN_CLASSA_MAX 128
pehrhovey	0:a548a085de55	92
pehrhovey	0:a548a085de55	93	#define IN_CLASSB(a) ((((u32_t)(a)) & 0xc0000000UL) == 0x80000000UL)
pehrhovey	0:a548a085de55	94	#define IN_CLASSB_NET 0xffff0000
pehrhovey	0:a548a085de55	95	#define IN_CLASSB_NSHIFT 16
pehrhovey	0:a548a085de55	96	#define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET)
pehrhovey	0:a548a085de55	97	#define IN_CLASSB_MAX 65536
pehrhovey	0:a548a085de55	98
pehrhovey	0:a548a085de55	99	#define IN_CLASSC(a) ((((u32_t)(a)) & 0xe0000000UL) == 0xc0000000UL)
pehrhovey	0:a548a085de55	100	#define IN_CLASSC_NET 0xffffff00
pehrhovey	0:a548a085de55	101	#define IN_CLASSC_NSHIFT 8
pehrhovey	0:a548a085de55	102	#define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET)
pehrhovey	0:a548a085de55	103
pehrhovey	0:a548a085de55	104	#define IN_CLASSD(a) (((u32_t)(a) & 0xf0000000UL) == 0xe0000000UL)
pehrhovey	0:a548a085de55	105	#define IN_CLASSD_NET 0xf0000000 /* These ones aren't really */
pehrhovey	0:a548a085de55	106	#define IN_CLASSD_NSHIFT 28 /* net and host fields, but */
pehrhovey	0:a548a085de55	107	#define IN_CLASSD_HOST 0x0fffffff /* routing needn't know. */
pehrhovey	0:a548a085de55	108	#define IN_MULTICAST(a) IN_CLASSD(a)
pehrhovey	0:a548a085de55	109
pehrhovey	0:a548a085de55	110	#define IN_EXPERIMENTAL(a) (((u32_t)(a) & 0xf0000000UL) == 0xf0000000UL)
pehrhovey	0:a548a085de55	111	#define IN_BADCLASS(a) (((u32_t)(a) & 0xf0000000UL) == 0xf0000000UL)
pehrhovey	0:a548a085de55	112
pehrhovey	0:a548a085de55	113	#define IN_LOOPBACKNET 127 /* official! */
pehrhovey	0:a548a085de55	114
pehrhovey	0:a548a085de55	115	#define IP4_ADDR(ipaddr, a,b,c,d) \
pehrhovey	0:a548a085de55	116	(ipaddr)->addr = htonl(((u32_t)((a) & 0xff) << 24) \| \
pehrhovey	0:a548a085de55	117	((u32_t)((b) & 0xff) << 16) \| \
pehrhovey	0:a548a085de55	118	((u32_t)((c) & 0xff) << 8) \| \
pehrhovey	0:a548a085de55	119	(u32_t)((d) & 0xff))
pehrhovey	0:a548a085de55	120
pehrhovey	0:a548a085de55	121	#define ip_addr_set(dest, src) (dest)->addr = \
pehrhovey	0:a548a085de55	122	((src) == NULL? 0:\
pehrhovey	0:a548a085de55	123	(src)->addr)
pehrhovey	0:a548a085de55	124	/**
pehrhovey	0:a548a085de55	125	* Determine if two address are on the same network.
pehrhovey	0:a548a085de55	126	*
pehrhovey	0:a548a085de55	127	* @arg addr1 IP address 1
pehrhovey	0:a548a085de55	128	* @arg addr2 IP address 2
pehrhovey	0:a548a085de55	129	* @arg mask network identifier mask
pehrhovey	0:a548a085de55	130	* @return !0 if the network identifiers of both address match
pehrhovey	0:a548a085de55	131	*/
pehrhovey	0:a548a085de55	132	#define ip_addr_netcmp(addr1, addr2, mask) (((addr1)->addr & \
pehrhovey	0:a548a085de55	133	(mask)->addr) == \
pehrhovey	0:a548a085de55	134	((addr2)->addr & \
pehrhovey	0:a548a085de55	135	(mask)->addr))
pehrhovey	0:a548a085de55	136	#define ip_addr_cmp(addr1, addr2) ((addr1)->addr == (addr2)->addr)
pehrhovey	0:a548a085de55	137
pehrhovey	0:a548a085de55	138	#define ip_addr_isany(addr1) ((addr1) == NULL \|\| (addr1)->addr == 0)
pehrhovey	0:a548a085de55	139
pehrhovey	0:a548a085de55	140	u8_t ip_addr_isbroadcast(struct ip_addr , struct netif );
pehrhovey	0:a548a085de55	141
pehrhovey	0:a548a085de55	142	#define ip_addr_ismulticast(addr1) (((addr1)->addr & ntohl(0xf0000000UL)) == ntohl(0xe0000000UL))
pehrhovey	0:a548a085de55	143
pehrhovey	0:a548a085de55	144	#define ip_addr_islinklocal(addr1) (((addr1)->addr & ntohl(0xffff0000UL)) == ntohl(0xa9fe0000UL))
pehrhovey	0:a548a085de55	145
pehrhovey	0:a548a085de55	146	#define ip_addr_debug_print(debug, ipaddr) \
pehrhovey	0:a548a085de55	147	LWIP_DEBUGF(debug, ("%"U16_F".%"U16_F".%"U16_F".%"U16_F, \
pehrhovey	0:a548a085de55	148	ipaddr != NULL ? \
pehrhovey	0:a548a085de55	149	(u16_t)(ntohl((ipaddr)->addr) >> 24) & 0xff : 0, \
pehrhovey	0:a548a085de55	150	ipaddr != NULL ? \
pehrhovey	0:a548a085de55	151	(u16_t)(ntohl((ipaddr)->addr) >> 16) & 0xff : 0, \
pehrhovey	0:a548a085de55	152	ipaddr != NULL ? \
pehrhovey	0:a548a085de55	153	(u16_t)(ntohl((ipaddr)->addr) >> 8) & 0xff : 0, \
pehrhovey	0:a548a085de55	154	ipaddr != NULL ? \
pehrhovey	0:a548a085de55	155	(u16_t)ntohl((ipaddr)->addr) & 0xff : 0))
pehrhovey	0:a548a085de55	156
pehrhovey	0:a548a085de55	157	/* These are cast to u16_t, with the intent that they are often arguments
pehrhovey	0:a548a085de55	158	* to printf using the U16_F format from cc.h. */
pehrhovey	0:a548a085de55	159	#define ip4_addr1(ipaddr) ((u16_t)(ntohl((ipaddr)->addr) >> 24) & 0xff)
pehrhovey	0:a548a085de55	160	#define ip4_addr2(ipaddr) ((u16_t)(ntohl((ipaddr)->addr) >> 16) & 0xff)
pehrhovey	0:a548a085de55	161	#define ip4_addr3(ipaddr) ((u16_t)(ntohl((ipaddr)->addr) >> 8) & 0xff)
pehrhovey	0:a548a085de55	162	#define ip4_addr4(ipaddr) ((u16_t)(ntohl((ipaddr)->addr)) & 0xff)
pehrhovey	0:a548a085de55	163
pehrhovey	0:a548a085de55	164	/**
pehrhovey	0:a548a085de55	165	* Same as inet_ntoa() but takes a struct ip_addr*
pehrhovey	0:a548a085de55	166	*/
pehrhovey	0:a548a085de55	167	#define ip_ntoa(addr) ((addr != NULL) ? inet_ntoa(((struct in_addr)(addr))) : "NULL")
pehrhovey	0:a548a085de55	168
pehrhovey	0:a548a085de55	169	#ifdef __cplusplus
pehrhovey	0:a548a085de55	170	}
pehrhovey	0:a548a085de55	171	#endif
pehrhovey	0:a548a085de55	172
pehrhovey	0:a548a085de55	173	#endif /* __LWIP_IP_ADDR_H__ */

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	14 Mar 2010
Imports:	240
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	5

Core/lwIP/include/ipv4/lwip/ip_addr.h@0:a548a085de55, 2010-03-14 (annotated)

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