LPC1700CMSIS_Examples - These are the examples provided for [[/users/fran…

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These are the examples provided for [[/users/frank26080115/libraries/LPC1700CMSIS_Lib/]] Note, the entire "program" is not compilable!

EMAC/uIP/uip/uip.h@0:bf7b9fba3924, 2011-03-20 (annotated)

Committer:: frank26080115
Date:: Sun Mar 20 05:38:56 2011 +0000
Revision:: 0:bf7b9fba3924

Who changed what in which revision?

User	Revision	Line number	New contents of line
frank26080115	0:bf7b9fba3924	1
frank26080115	0:bf7b9fba3924	2	/**
frank26080115	0:bf7b9fba3924	3	* \addtogroup uip
frank26080115	0:bf7b9fba3924	4	* @{
frank26080115	0:bf7b9fba3924	5	*/
frank26080115	0:bf7b9fba3924	6
frank26080115	0:bf7b9fba3924	7	/**
frank26080115	0:bf7b9fba3924	8	* \file
frank26080115	0:bf7b9fba3924	9	* Header file for the uIP TCP/IP stack.
frank26080115	0:bf7b9fba3924	10	* \author Adam Dunkels <adam@dunkels.com>
frank26080115	0:bf7b9fba3924	11	*
frank26080115	0:bf7b9fba3924	12	* The uIP TCP/IP stack header file contains definitions for a number
frank26080115	0:bf7b9fba3924	13	* of C macros that are used by uIP programs as well as internal uIP
frank26080115	0:bf7b9fba3924	14	* structures, TCP/IP header structures and function declarations.
frank26080115	0:bf7b9fba3924	15	*
frank26080115	0:bf7b9fba3924	16	*/
frank26080115	0:bf7b9fba3924	17
frank26080115	0:bf7b9fba3924	18
frank26080115	0:bf7b9fba3924	19	/*
frank26080115	0:bf7b9fba3924	20	* Copyright (c) 2001-2003, Adam Dunkels.
frank26080115	0:bf7b9fba3924	21	* All rights reserved.
frank26080115	0:bf7b9fba3924	22	*
frank26080115	0:bf7b9fba3924	23	* Redistribution and use in source and binary forms, with or without
frank26080115	0:bf7b9fba3924	24	* modification, are permitted provided that the following conditions
frank26080115	0:bf7b9fba3924	25	* are met:
frank26080115	0:bf7b9fba3924	26	* 1. Redistributions of source code must retain the above copyright
frank26080115	0:bf7b9fba3924	27	* notice, this list of conditions and the following disclaimer.
frank26080115	0:bf7b9fba3924	28	* 2. Redistributions in binary form must reproduce the above copyright
frank26080115	0:bf7b9fba3924	29	* notice, this list of conditions and the following disclaimer in the
frank26080115	0:bf7b9fba3924	30	* documentation and/or other materials provided with the distribution.
frank26080115	0:bf7b9fba3924	31	* 3. The name of the author may not be used to endorse or promote
frank26080115	0:bf7b9fba3924	32	* products derived from this software without specific prior
frank26080115	0:bf7b9fba3924	33	* written permission.
frank26080115	0:bf7b9fba3924	34	*
frank26080115	0:bf7b9fba3924	35	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
frank26080115	0:bf7b9fba3924	36	* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
frank26080115	0:bf7b9fba3924	37	* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
frank26080115	0:bf7b9fba3924	38	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
frank26080115	0:bf7b9fba3924	39	* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
frank26080115	0:bf7b9fba3924	40	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
frank26080115	0:bf7b9fba3924	41	* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
frank26080115	0:bf7b9fba3924	42	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
frank26080115	0:bf7b9fba3924	43	* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
frank26080115	0:bf7b9fba3924	44	* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
frank26080115	0:bf7b9fba3924	45	* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
frank26080115	0:bf7b9fba3924	46	*
frank26080115	0:bf7b9fba3924	47	* This file is part of the uIP TCP/IP stack.
frank26080115	0:bf7b9fba3924	48	*
frank26080115	0:bf7b9fba3924	49	* $Id: uip.h,v 1.40 2006/06/08 07:12:07 adam Exp $
frank26080115	0:bf7b9fba3924	50	*
frank26080115	0:bf7b9fba3924	51	*/
frank26080115	0:bf7b9fba3924	52
frank26080115	0:bf7b9fba3924	53	#ifndef __UIP_H__
frank26080115	0:bf7b9fba3924	54	#define __UIP_H__
frank26080115	0:bf7b9fba3924	55
frank26080115	0:bf7b9fba3924	56	#include "uipopt.h"
frank26080115	0:bf7b9fba3924	57
frank26080115	0:bf7b9fba3924	58	/**
frank26080115	0:bf7b9fba3924	59	* Repressentation of an IP address.
frank26080115	0:bf7b9fba3924	60	*
frank26080115	0:bf7b9fba3924	61	*/
frank26080115	0:bf7b9fba3924	62	typedef u16_t uip_ip4addr_t[2];
frank26080115	0:bf7b9fba3924	63	typedef u16_t uip_ip6addr_t[8];
frank26080115	0:bf7b9fba3924	64	#if UIP_CONF_IPV6
frank26080115	0:bf7b9fba3924	65	typedef uip_ip6addr_t uip_ipaddr_t;
frank26080115	0:bf7b9fba3924	66	#else /* UIP_CONF_IPV6 */
frank26080115	0:bf7b9fba3924	67	typedef uip_ip4addr_t uip_ipaddr_t;
frank26080115	0:bf7b9fba3924	68	#endif /* UIP_CONF_IPV6 */
frank26080115	0:bf7b9fba3924	69
frank26080115	0:bf7b9fba3924	70	/---------------------------------------------------------------------------/
frank26080115	0:bf7b9fba3924	71	/* First, the functions that should be called from the
frank26080115	0:bf7b9fba3924	72	* system. Initialization, the periodic timer and incoming packets are
frank26080115	0:bf7b9fba3924	73	* handled by the following three functions.
frank26080115	0:bf7b9fba3924	74	*/
frank26080115	0:bf7b9fba3924	75
frank26080115	0:bf7b9fba3924	76	/**
frank26080115	0:bf7b9fba3924	77	* \defgroup uipconffunc uIP configuration functions
frank26080115	0:bf7b9fba3924	78	* @{
frank26080115	0:bf7b9fba3924	79	*
frank26080115	0:bf7b9fba3924	80	* The uIP configuration functions are used for setting run-time
frank26080115	0:bf7b9fba3924	81	* parameters in uIP such as IP addresses.
frank26080115	0:bf7b9fba3924	82	*/
frank26080115	0:bf7b9fba3924	83
frank26080115	0:bf7b9fba3924	84	/**
frank26080115	0:bf7b9fba3924	85	* Set the IP address of this host.
frank26080115	0:bf7b9fba3924	86	*
frank26080115	0:bf7b9fba3924	87	* The IP address is represented as a 4-byte array where the first
frank26080115	0:bf7b9fba3924	88	* octet of the IP address is put in the first member of the 4-byte
frank26080115	0:bf7b9fba3924	89	* array.
frank26080115	0:bf7b9fba3924	90	*
frank26080115	0:bf7b9fba3924	91	* Example:
frank26080115	0:bf7b9fba3924	92	\code
frank26080115	0:bf7b9fba3924	93
frank26080115	0:bf7b9fba3924	94	uip_ipaddr_t addr;
frank26080115	0:bf7b9fba3924	95
frank26080115	0:bf7b9fba3924	96	uip_ipaddr(&addr, 192,168,1,2);
frank26080115	0:bf7b9fba3924	97	uip_sethostaddr(&addr);
frank26080115	0:bf7b9fba3924	98
frank26080115	0:bf7b9fba3924	99	\endcode
frank26080115	0:bf7b9fba3924	100	* \param addr A pointer to an IP address of type uip_ipaddr_t;
frank26080115	0:bf7b9fba3924	101	*
frank26080115	0:bf7b9fba3924	102	* \sa uip_ipaddr()
frank26080115	0:bf7b9fba3924	103	*
frank26080115	0:bf7b9fba3924	104	* \hideinitializer
frank26080115	0:bf7b9fba3924	105	*/
frank26080115	0:bf7b9fba3924	106	#define uip_sethostaddr(addr) uip_ipaddr_copy(uip_hostaddr, (addr))
frank26080115	0:bf7b9fba3924	107
frank26080115	0:bf7b9fba3924	108	/**
frank26080115	0:bf7b9fba3924	109	* Get the IP address of this host.
frank26080115	0:bf7b9fba3924	110	*
frank26080115	0:bf7b9fba3924	111	* The IP address is represented as a 4-byte array where the first
frank26080115	0:bf7b9fba3924	112	* octet of the IP address is put in the first member of the 4-byte
frank26080115	0:bf7b9fba3924	113	* array.
frank26080115	0:bf7b9fba3924	114	*
frank26080115	0:bf7b9fba3924	115	* Example:
frank26080115	0:bf7b9fba3924	116	\code
frank26080115	0:bf7b9fba3924	117	uip_ipaddr_t hostaddr;
frank26080115	0:bf7b9fba3924	118
frank26080115	0:bf7b9fba3924	119	uip_gethostaddr(&hostaddr);
frank26080115	0:bf7b9fba3924	120	\endcode
frank26080115	0:bf7b9fba3924	121	* \param addr A pointer to a uip_ipaddr_t variable that will be
frank26080115	0:bf7b9fba3924	122	* filled in with the currently configured IP address.
frank26080115	0:bf7b9fba3924	123	*
frank26080115	0:bf7b9fba3924	124	* \hideinitializer
frank26080115	0:bf7b9fba3924	125	*/
frank26080115	0:bf7b9fba3924	126	#define uip_gethostaddr(addr) uip_ipaddr_copy((addr), uip_hostaddr)
frank26080115	0:bf7b9fba3924	127
frank26080115	0:bf7b9fba3924	128	/**
frank26080115	0:bf7b9fba3924	129	* Set the default router's IP address.
frank26080115	0:bf7b9fba3924	130	*
frank26080115	0:bf7b9fba3924	131	* \param addr A pointer to a uip_ipaddr_t variable containing the IP
frank26080115	0:bf7b9fba3924	132	* address of the default router.
frank26080115	0:bf7b9fba3924	133	*
frank26080115	0:bf7b9fba3924	134	* \sa uip_ipaddr()
frank26080115	0:bf7b9fba3924	135	*
frank26080115	0:bf7b9fba3924	136	* \hideinitializer
frank26080115	0:bf7b9fba3924	137	*/
frank26080115	0:bf7b9fba3924	138	#define uip_setdraddr(addr) uip_ipaddr_copy(uip_draddr, (addr))
frank26080115	0:bf7b9fba3924	139
frank26080115	0:bf7b9fba3924	140	/**
frank26080115	0:bf7b9fba3924	141	* Set the netmask.
frank26080115	0:bf7b9fba3924	142	*
frank26080115	0:bf7b9fba3924	143	* \param addr A pointer to a uip_ipaddr_t variable containing the IP
frank26080115	0:bf7b9fba3924	144	* address of the netmask.
frank26080115	0:bf7b9fba3924	145	*
frank26080115	0:bf7b9fba3924	146	* \sa uip_ipaddr()
frank26080115	0:bf7b9fba3924	147	*
frank26080115	0:bf7b9fba3924	148	* \hideinitializer
frank26080115	0:bf7b9fba3924	149	*/
frank26080115	0:bf7b9fba3924	150	#define uip_setnetmask(addr) uip_ipaddr_copy(uip_netmask, (addr))
frank26080115	0:bf7b9fba3924	151
frank26080115	0:bf7b9fba3924	152
frank26080115	0:bf7b9fba3924	153	/**
frank26080115	0:bf7b9fba3924	154	* Get the default router's IP address.
frank26080115	0:bf7b9fba3924	155	*
frank26080115	0:bf7b9fba3924	156	* \param addr A pointer to a uip_ipaddr_t variable that will be
frank26080115	0:bf7b9fba3924	157	* filled in with the IP address of the default router.
frank26080115	0:bf7b9fba3924	158	*
frank26080115	0:bf7b9fba3924	159	* \hideinitializer
frank26080115	0:bf7b9fba3924	160	*/
frank26080115	0:bf7b9fba3924	161	#define uip_getdraddr(addr) uip_ipaddr_copy((addr), uip_draddr)
frank26080115	0:bf7b9fba3924	162
frank26080115	0:bf7b9fba3924	163	/**
frank26080115	0:bf7b9fba3924	164	* Get the netmask.
frank26080115	0:bf7b9fba3924	165	*
frank26080115	0:bf7b9fba3924	166	* \param addr A pointer to a uip_ipaddr_t variable that will be
frank26080115	0:bf7b9fba3924	167	* filled in with the value of the netmask.
frank26080115	0:bf7b9fba3924	168	*
frank26080115	0:bf7b9fba3924	169	* \hideinitializer
frank26080115	0:bf7b9fba3924	170	*/
frank26080115	0:bf7b9fba3924	171	#define uip_getnetmask(addr) uip_ipaddr_copy((addr), uip_netmask)
frank26080115	0:bf7b9fba3924	172
frank26080115	0:bf7b9fba3924	173	/** @} */
frank26080115	0:bf7b9fba3924	174
frank26080115	0:bf7b9fba3924	175	/**
frank26080115	0:bf7b9fba3924	176	* \defgroup uipinit uIP initialization functions
frank26080115	0:bf7b9fba3924	177	* @{
frank26080115	0:bf7b9fba3924	178	*
frank26080115	0:bf7b9fba3924	179	* The uIP initialization functions are used for booting uIP.
frank26080115	0:bf7b9fba3924	180	*/
frank26080115	0:bf7b9fba3924	181
frank26080115	0:bf7b9fba3924	182	/**
frank26080115	0:bf7b9fba3924	183	* uIP initialization function.
frank26080115	0:bf7b9fba3924	184	*
frank26080115	0:bf7b9fba3924	185	* This function should be called at boot up to initilize the uIP
frank26080115	0:bf7b9fba3924	186	* TCP/IP stack.
frank26080115	0:bf7b9fba3924	187	*/
frank26080115	0:bf7b9fba3924	188	void uip_init(void);
frank26080115	0:bf7b9fba3924	189
frank26080115	0:bf7b9fba3924	190	/**
frank26080115	0:bf7b9fba3924	191	* uIP initialization function.
frank26080115	0:bf7b9fba3924	192	*
frank26080115	0:bf7b9fba3924	193	* This function may be used at boot time to set the initial ip_id.
frank26080115	0:bf7b9fba3924	194	*/
frank26080115	0:bf7b9fba3924	195	void uip_setipid(u16_t id);
frank26080115	0:bf7b9fba3924	196
frank26080115	0:bf7b9fba3924	197	/** @} */
frank26080115	0:bf7b9fba3924	198
frank26080115	0:bf7b9fba3924	199	/**
frank26080115	0:bf7b9fba3924	200	* \defgroup uipdevfunc uIP device driver functions
frank26080115	0:bf7b9fba3924	201	* @{
frank26080115	0:bf7b9fba3924	202	*
frank26080115	0:bf7b9fba3924	203	* These functions are used by a network device driver for interacting
frank26080115	0:bf7b9fba3924	204	* with uIP.
frank26080115	0:bf7b9fba3924	205	*/
frank26080115	0:bf7b9fba3924	206
frank26080115	0:bf7b9fba3924	207	/**
frank26080115	0:bf7b9fba3924	208	* Process an incoming packet.
frank26080115	0:bf7b9fba3924	209	*
frank26080115	0:bf7b9fba3924	210	* This function should be called when the device driver has received
frank26080115	0:bf7b9fba3924	211	* a packet from the network. The packet from the device driver must
frank26080115	0:bf7b9fba3924	212	* be present in the uip_buf buffer, and the length of the packet
frank26080115	0:bf7b9fba3924	213	* should be placed in the uip_len variable.
frank26080115	0:bf7b9fba3924	214	*
frank26080115	0:bf7b9fba3924	215	* When the function returns, there may be an outbound packet placed
frank26080115	0:bf7b9fba3924	216	* in the uip_buf packet buffer. If so, the uip_len variable is set to
frank26080115	0:bf7b9fba3924	217	* the length of the packet. If no packet is to be sent out, the
frank26080115	0:bf7b9fba3924	218	* uip_len variable is set to 0.
frank26080115	0:bf7b9fba3924	219	*
frank26080115	0:bf7b9fba3924	220	* The usual way of calling the function is presented by the source
frank26080115	0:bf7b9fba3924	221	* code below.
frank26080115	0:bf7b9fba3924	222	\code
frank26080115	0:bf7b9fba3924	223	uip_len = devicedriver_poll();
frank26080115	0:bf7b9fba3924	224	if(uip_len > 0) {
frank26080115	0:bf7b9fba3924	225	uip_input();
frank26080115	0:bf7b9fba3924	226	if(uip_len > 0) {
frank26080115	0:bf7b9fba3924	227	devicedriver_send();
frank26080115	0:bf7b9fba3924	228	}
frank26080115	0:bf7b9fba3924	229	}
frank26080115	0:bf7b9fba3924	230	\endcode
frank26080115	0:bf7b9fba3924	231	*
frank26080115	0:bf7b9fba3924	232	* \note If you are writing a uIP device driver that needs ARP
frank26080115	0:bf7b9fba3924	233	* (Address Resolution Protocol), e.g., when running uIP over
frank26080115	0:bf7b9fba3924	234	* Ethernet, you will need to call the uIP ARP code before calling
frank26080115	0:bf7b9fba3924	235	* this function:
frank26080115	0:bf7b9fba3924	236	\code
frank26080115	0:bf7b9fba3924	237	#define BUF ((struct uip_eth_hdr *)&uip_buf[0])
frank26080115	0:bf7b9fba3924	238	uip_len = ethernet_devicedrver_poll();
frank26080115	0:bf7b9fba3924	239	if(uip_len > 0) {
frank26080115	0:bf7b9fba3924	240	if(BUF->type == HTONS(UIP_ETHTYPE_IP)) {
frank26080115	0:bf7b9fba3924	241	uip_arp_ipin();
frank26080115	0:bf7b9fba3924	242	uip_input();
frank26080115	0:bf7b9fba3924	243	if(uip_len > 0) {
frank26080115	0:bf7b9fba3924	244	uip_arp_out();
frank26080115	0:bf7b9fba3924	245	ethernet_devicedriver_send();
frank26080115	0:bf7b9fba3924	246	}
frank26080115	0:bf7b9fba3924	247	} else if(BUF->type == HTONS(UIP_ETHTYPE_ARP)) {
frank26080115	0:bf7b9fba3924	248	uip_arp_arpin();
frank26080115	0:bf7b9fba3924	249	if(uip_len > 0) {
frank26080115	0:bf7b9fba3924	250	ethernet_devicedriver_send();
frank26080115	0:bf7b9fba3924	251	}
frank26080115	0:bf7b9fba3924	252	}
frank26080115	0:bf7b9fba3924	253	\endcode
frank26080115	0:bf7b9fba3924	254	*
frank26080115	0:bf7b9fba3924	255	* \hideinitializer
frank26080115	0:bf7b9fba3924	256	*/
frank26080115	0:bf7b9fba3924	257	#define uip_input() uip_process(UIP_DATA)
frank26080115	0:bf7b9fba3924	258
frank26080115	0:bf7b9fba3924	259	/**
frank26080115	0:bf7b9fba3924	260	* Periodic processing for a connection identified by its number.
frank26080115	0:bf7b9fba3924	261	*
frank26080115	0:bf7b9fba3924	262	* This function does the necessary periodic processing (timers,
frank26080115	0:bf7b9fba3924	263	* polling) for a uIP TCP conneciton, and should be called when the
frank26080115	0:bf7b9fba3924	264	* periodic uIP timer goes off. It should be called for every
frank26080115	0:bf7b9fba3924	265	* connection, regardless of whether they are open of closed.
frank26080115	0:bf7b9fba3924	266	*
frank26080115	0:bf7b9fba3924	267	* When the function returns, it may have an outbound packet waiting
frank26080115	0:bf7b9fba3924	268	* for service in the uIP packet buffer, and if so the uip_len
frank26080115	0:bf7b9fba3924	269	* variable is set to a value larger than zero. The device driver
frank26080115	0:bf7b9fba3924	270	* should be called to send out the packet.
frank26080115	0:bf7b9fba3924	271	*
frank26080115	0:bf7b9fba3924	272	* The ususal way of calling the function is through a for() loop like
frank26080115	0:bf7b9fba3924	273	* this:
frank26080115	0:bf7b9fba3924	274	\code
frank26080115	0:bf7b9fba3924	275	for(i = 0; i < UIP_CONNS; ++i) {
frank26080115	0:bf7b9fba3924	276	uip_periodic(i);
frank26080115	0:bf7b9fba3924	277	if(uip_len > 0) {
frank26080115	0:bf7b9fba3924	278	devicedriver_send();
frank26080115	0:bf7b9fba3924	279	}
frank26080115	0:bf7b9fba3924	280	}
frank26080115	0:bf7b9fba3924	281	\endcode
frank26080115	0:bf7b9fba3924	282	*
frank26080115	0:bf7b9fba3924	283	* \note If you are writing a uIP device driver that needs ARP
frank26080115	0:bf7b9fba3924	284	* (Address Resolution Protocol), e.g., when running uIP over
frank26080115	0:bf7b9fba3924	285	* Ethernet, you will need to call the uip_arp_out() function before
frank26080115	0:bf7b9fba3924	286	* calling the device driver:
frank26080115	0:bf7b9fba3924	287	\code
frank26080115	0:bf7b9fba3924	288	for(i = 0; i < UIP_CONNS; ++i) {
frank26080115	0:bf7b9fba3924	289	uip_periodic(i);
frank26080115	0:bf7b9fba3924	290	if(uip_len > 0) {
frank26080115	0:bf7b9fba3924	291	uip_arp_out();
frank26080115	0:bf7b9fba3924	292	ethernet_devicedriver_send();
frank26080115	0:bf7b9fba3924	293	}
frank26080115	0:bf7b9fba3924	294	}
frank26080115	0:bf7b9fba3924	295	\endcode
frank26080115	0:bf7b9fba3924	296	*
frank26080115	0:bf7b9fba3924	297	* \param conn The number of the connection which is to be periodically polled.
frank26080115	0:bf7b9fba3924	298	*
frank26080115	0:bf7b9fba3924	299	* \hideinitializer
frank26080115	0:bf7b9fba3924	300	*/
frank26080115	0:bf7b9fba3924	301	#define uip_periodic(conn) do { uip_conn = &uip_conns[conn]; \
frank26080115	0:bf7b9fba3924	302	uip_process(UIP_TIMER); } while (0)
frank26080115	0:bf7b9fba3924	303
frank26080115	0:bf7b9fba3924	304	/**
frank26080115	0:bf7b9fba3924	305	*
frank26080115	0:bf7b9fba3924	306	*
frank26080115	0:bf7b9fba3924	307	*/
frank26080115	0:bf7b9fba3924	308	#define uip_conn_active(conn) (uip_conns[conn].tcpstateflags != UIP_CLOSED)
frank26080115	0:bf7b9fba3924	309
frank26080115	0:bf7b9fba3924	310	/**
frank26080115	0:bf7b9fba3924	311	* Perform periodic processing for a connection identified by a pointer
frank26080115	0:bf7b9fba3924	312	* to its structure.
frank26080115	0:bf7b9fba3924	313	*
frank26080115	0:bf7b9fba3924	314	* Same as uip_periodic() but takes a pointer to the actual uip_conn
frank26080115	0:bf7b9fba3924	315	* struct instead of an integer as its argument. This function can be
frank26080115	0:bf7b9fba3924	316	* used to force periodic processing of a specific connection.
frank26080115	0:bf7b9fba3924	317	*
frank26080115	0:bf7b9fba3924	318	* \param conn A pointer to the uip_conn struct for the connection to
frank26080115	0:bf7b9fba3924	319	* be processed.
frank26080115	0:bf7b9fba3924	320	*
frank26080115	0:bf7b9fba3924	321	* \hideinitializer
frank26080115	0:bf7b9fba3924	322	*/
frank26080115	0:bf7b9fba3924	323	#define uip_periodic_conn(conn) do { uip_conn = conn; \
frank26080115	0:bf7b9fba3924	324	uip_process(UIP_TIMER); } while (0)
frank26080115	0:bf7b9fba3924	325
frank26080115	0:bf7b9fba3924	326	/**
frank26080115	0:bf7b9fba3924	327	* Reuqest that a particular connection should be polled.
frank26080115	0:bf7b9fba3924	328	*
frank26080115	0:bf7b9fba3924	329	* Similar to uip_periodic_conn() but does not perform any timer
frank26080115	0:bf7b9fba3924	330	* processing. The application is polled for new data.
frank26080115	0:bf7b9fba3924	331	*
frank26080115	0:bf7b9fba3924	332	* \param conn A pointer to the uip_conn struct for the connection to
frank26080115	0:bf7b9fba3924	333	* be processed.
frank26080115	0:bf7b9fba3924	334	*
frank26080115	0:bf7b9fba3924	335	* \hideinitializer
frank26080115	0:bf7b9fba3924	336	*/
frank26080115	0:bf7b9fba3924	337	#define uip_poll_conn(conn) do { uip_conn = conn; \
frank26080115	0:bf7b9fba3924	338	uip_process(UIP_POLL_REQUEST); } while (0)
frank26080115	0:bf7b9fba3924	339
frank26080115	0:bf7b9fba3924	340
frank26080115	0:bf7b9fba3924	341	#if UIP_UDP
frank26080115	0:bf7b9fba3924	342	/**
frank26080115	0:bf7b9fba3924	343	* Periodic processing for a UDP connection identified by its number.
frank26080115	0:bf7b9fba3924	344	*
frank26080115	0:bf7b9fba3924	345	* This function is essentially the same as uip_periodic(), but for
frank26080115	0:bf7b9fba3924	346	* UDP connections. It is called in a similar fashion as the
frank26080115	0:bf7b9fba3924	347	* uip_periodic() function:
frank26080115	0:bf7b9fba3924	348	\code
frank26080115	0:bf7b9fba3924	349	for(i = 0; i < UIP_UDP_CONNS; i++) {
frank26080115	0:bf7b9fba3924	350	uip_udp_periodic(i);
frank26080115	0:bf7b9fba3924	351	if(uip_len > 0) {
frank26080115	0:bf7b9fba3924	352	devicedriver_send();
frank26080115	0:bf7b9fba3924	353	}
frank26080115	0:bf7b9fba3924	354	}
frank26080115	0:bf7b9fba3924	355	\endcode
frank26080115	0:bf7b9fba3924	356	*
frank26080115	0:bf7b9fba3924	357	* \note As for the uip_periodic() function, special care has to be
frank26080115	0:bf7b9fba3924	358	* taken when using uIP together with ARP and Ethernet:
frank26080115	0:bf7b9fba3924	359	\code
frank26080115	0:bf7b9fba3924	360	for(i = 0; i < UIP_UDP_CONNS; i++) {
frank26080115	0:bf7b9fba3924	361	uip_udp_periodic(i);
frank26080115	0:bf7b9fba3924	362	if(uip_len > 0) {
frank26080115	0:bf7b9fba3924	363	uip_arp_out();
frank26080115	0:bf7b9fba3924	364	ethernet_devicedriver_send();
frank26080115	0:bf7b9fba3924	365	}
frank26080115	0:bf7b9fba3924	366	}
frank26080115	0:bf7b9fba3924	367	\endcode
frank26080115	0:bf7b9fba3924	368	*
frank26080115	0:bf7b9fba3924	369	* \param conn The number of the UDP connection to be processed.
frank26080115	0:bf7b9fba3924	370	*
frank26080115	0:bf7b9fba3924	371	* \hideinitializer
frank26080115	0:bf7b9fba3924	372	*/
frank26080115	0:bf7b9fba3924	373	#define uip_udp_periodic(conn) do { uip_udp_conn = &uip_udp_conns[conn]; \
frank26080115	0:bf7b9fba3924	374	uip_process(UIP_UDP_TIMER); } while (0)
frank26080115	0:bf7b9fba3924	375
frank26080115	0:bf7b9fba3924	376	/**
frank26080115	0:bf7b9fba3924	377	* Periodic processing for a UDP connection identified by a pointer to
frank26080115	0:bf7b9fba3924	378	* its structure.
frank26080115	0:bf7b9fba3924	379	*
frank26080115	0:bf7b9fba3924	380	* Same as uip_udp_periodic() but takes a pointer to the actual
frank26080115	0:bf7b9fba3924	381	* uip_conn struct instead of an integer as its argument. This
frank26080115	0:bf7b9fba3924	382	* function can be used to force periodic processing of a specific
frank26080115	0:bf7b9fba3924	383	* connection.
frank26080115	0:bf7b9fba3924	384	*
frank26080115	0:bf7b9fba3924	385	* \param conn A pointer to the uip_udp_conn struct for the connection
frank26080115	0:bf7b9fba3924	386	* to be processed.
frank26080115	0:bf7b9fba3924	387	*
frank26080115	0:bf7b9fba3924	388	* \hideinitializer
frank26080115	0:bf7b9fba3924	389	*/
frank26080115	0:bf7b9fba3924	390	#define uip_udp_periodic_conn(conn) do { uip_udp_conn = conn; \
frank26080115	0:bf7b9fba3924	391	uip_process(UIP_UDP_TIMER); } while (0)
frank26080115	0:bf7b9fba3924	392
frank26080115	0:bf7b9fba3924	393
frank26080115	0:bf7b9fba3924	394	#endif /* UIP_UDP */
frank26080115	0:bf7b9fba3924	395
frank26080115	0:bf7b9fba3924	396	/**
frank26080115	0:bf7b9fba3924	397	* The uIP packet buffer.
frank26080115	0:bf7b9fba3924	398	*
frank26080115	0:bf7b9fba3924	399	* The uip_buf array is used to hold incoming and outgoing
frank26080115	0:bf7b9fba3924	400	* packets. The device driver should place incoming data into this
frank26080115	0:bf7b9fba3924	401	* buffer. When sending data, the device driver should read the link
frank26080115	0:bf7b9fba3924	402	* level headers and the TCP/IP headers from this buffer. The size of
frank26080115	0:bf7b9fba3924	403	* the link level headers is configured by the UIP_LLH_LEN define.
frank26080115	0:bf7b9fba3924	404	*
frank26080115	0:bf7b9fba3924	405	* \note The application data need not be placed in this buffer, so
frank26080115	0:bf7b9fba3924	406	* the device driver must read it from the place pointed to by the
frank26080115	0:bf7b9fba3924	407	* uip_appdata pointer as illustrated by the following example:
frank26080115	0:bf7b9fba3924	408	\code
frank26080115	0:bf7b9fba3924	409	void
frank26080115	0:bf7b9fba3924	410	devicedriver_send(void)
frank26080115	0:bf7b9fba3924	411	{
frank26080115	0:bf7b9fba3924	412	hwsend(&uip_buf[0], UIP_LLH_LEN);
frank26080115	0:bf7b9fba3924	413	if(uip_len <= UIP_LLH_LEN + UIP_TCPIP_HLEN) {
frank26080115	0:bf7b9fba3924	414	hwsend(&uip_buf[UIP_LLH_LEN], uip_len - UIP_LLH_LEN);
frank26080115	0:bf7b9fba3924	415	} else {
frank26080115	0:bf7b9fba3924	416	hwsend(&uip_buf[UIP_LLH_LEN], UIP_TCPIP_HLEN);
frank26080115	0:bf7b9fba3924	417	hwsend(uip_appdata, uip_len - UIP_TCPIP_HLEN - UIP_LLH_LEN);
frank26080115	0:bf7b9fba3924	418	}
frank26080115	0:bf7b9fba3924	419	}
frank26080115	0:bf7b9fba3924	420	\endcode
frank26080115	0:bf7b9fba3924	421	*/
frank26080115	0:bf7b9fba3924	422	#ifndef UIP_CONF_EXTERNAL_BUFFER
frank26080115	0:bf7b9fba3924	423	extern u8_t uip_buf[UIP_BUFSIZE+2];
frank26080115	0:bf7b9fba3924	424	#else
frank26080115	0:bf7b9fba3924	425	extern unsigned char *uip_buf;
frank26080115	0:bf7b9fba3924	426	#endif
frank26080115	0:bf7b9fba3924	427
frank26080115	0:bf7b9fba3924	428	/** @} */
frank26080115	0:bf7b9fba3924	429
frank26080115	0:bf7b9fba3924	430	/---------------------------------------------------------------------------/
frank26080115	0:bf7b9fba3924	431	/* Functions that are used by the uIP application program. Opening and
frank26080115	0:bf7b9fba3924	432	* closing connections, sending and receiving data, etc. is all
frank26080115	0:bf7b9fba3924	433	* handled by the functions below.
frank26080115	0:bf7b9fba3924	434	*/
frank26080115	0:bf7b9fba3924	435	/**
frank26080115	0:bf7b9fba3924	436	* \defgroup uipappfunc uIP application functions
frank26080115	0:bf7b9fba3924	437	* @{
frank26080115	0:bf7b9fba3924	438	*
frank26080115	0:bf7b9fba3924	439	* Functions used by an application running of top of uIP.
frank26080115	0:bf7b9fba3924	440	*/
frank26080115	0:bf7b9fba3924	441
frank26080115	0:bf7b9fba3924	442	/**
frank26080115	0:bf7b9fba3924	443	* Start listening to the specified port.
frank26080115	0:bf7b9fba3924	444	*
frank26080115	0:bf7b9fba3924	445	* \note Since this function expects the port number in network byte
frank26080115	0:bf7b9fba3924	446	* order, a conversion using HTONS() or htons() is necessary.
frank26080115	0:bf7b9fba3924	447	*
frank26080115	0:bf7b9fba3924	448	\code
frank26080115	0:bf7b9fba3924	449	uip_listen(HTONS(80));
frank26080115	0:bf7b9fba3924	450	\endcode
frank26080115	0:bf7b9fba3924	451	*
frank26080115	0:bf7b9fba3924	452	* \param port A 16-bit port number in network byte order.
frank26080115	0:bf7b9fba3924	453	*/
frank26080115	0:bf7b9fba3924	454	void uip_listen(u16_t port);
frank26080115	0:bf7b9fba3924	455
frank26080115	0:bf7b9fba3924	456	/**
frank26080115	0:bf7b9fba3924	457	* Stop listening to the specified port.
frank26080115	0:bf7b9fba3924	458	*
frank26080115	0:bf7b9fba3924	459	* \note Since this function expects the port number in network byte
frank26080115	0:bf7b9fba3924	460	* order, a conversion using HTONS() or htons() is necessary.
frank26080115	0:bf7b9fba3924	461	*
frank26080115	0:bf7b9fba3924	462	\code
frank26080115	0:bf7b9fba3924	463	uip_unlisten(HTONS(80));
frank26080115	0:bf7b9fba3924	464	\endcode
frank26080115	0:bf7b9fba3924	465	*
frank26080115	0:bf7b9fba3924	466	* \param port A 16-bit port number in network byte order.
frank26080115	0:bf7b9fba3924	467	*/
frank26080115	0:bf7b9fba3924	468	void uip_unlisten(u16_t port);
frank26080115	0:bf7b9fba3924	469
frank26080115	0:bf7b9fba3924	470	/**
frank26080115	0:bf7b9fba3924	471	* Connect to a remote host using TCP.
frank26080115	0:bf7b9fba3924	472	*
frank26080115	0:bf7b9fba3924	473	* This function is used to start a new connection to the specified
frank26080115	0:bf7b9fba3924	474	* port on the specied host. It allocates a new connection identifier,
frank26080115	0:bf7b9fba3924	475	* sets the connection to the SYN_SENT state and sets the
frank26080115	0:bf7b9fba3924	476	* retransmission timer to 0. This will cause a TCP SYN segment to be
frank26080115	0:bf7b9fba3924	477	* sent out the next time this connection is periodically processed,
frank26080115	0:bf7b9fba3924	478	* which usually is done within 0.5 seconds after the call to
frank26080115	0:bf7b9fba3924	479	* uip_connect().
frank26080115	0:bf7b9fba3924	480	*
frank26080115	0:bf7b9fba3924	481	* \note This function is avaliable only if support for active open
frank26080115	0:bf7b9fba3924	482	* has been configured by defining UIP_ACTIVE_OPEN to 1 in uipopt.h.
frank26080115	0:bf7b9fba3924	483	*
frank26080115	0:bf7b9fba3924	484	* \note Since this function requires the port number to be in network
frank26080115	0:bf7b9fba3924	485	* byte order, a conversion using HTONS() or htons() is necessary.
frank26080115	0:bf7b9fba3924	486	*
frank26080115	0:bf7b9fba3924	487	\code
frank26080115	0:bf7b9fba3924	488	uip_ipaddr_t ipaddr;
frank26080115	0:bf7b9fba3924	489
frank26080115	0:bf7b9fba3924	490	uip_ipaddr(&ipaddr, 192,168,1,2);
frank26080115	0:bf7b9fba3924	491	uip_connect(&ipaddr, HTONS(80));
frank26080115	0:bf7b9fba3924	492	\endcode
frank26080115	0:bf7b9fba3924	493	*
frank26080115	0:bf7b9fba3924	494	* \param ripaddr The IP address of the remote hot.
frank26080115	0:bf7b9fba3924	495	*
frank26080115	0:bf7b9fba3924	496	* \param port A 16-bit port number in network byte order.
frank26080115	0:bf7b9fba3924	497	*
frank26080115	0:bf7b9fba3924	498	* \return A pointer to the uIP connection identifier for the new connection,
frank26080115	0:bf7b9fba3924	499	* or NULL if no connection could be allocated.
frank26080115	0:bf7b9fba3924	500	*
frank26080115	0:bf7b9fba3924	501	*/
frank26080115	0:bf7b9fba3924	502	struct uip_conn uip_connect(uip_ipaddr_t ripaddr, u16_t port);
frank26080115	0:bf7b9fba3924	503
frank26080115	0:bf7b9fba3924	504
frank26080115	0:bf7b9fba3924	505
frank26080115	0:bf7b9fba3924	506	/**
frank26080115	0:bf7b9fba3924	507	* \internal
frank26080115	0:bf7b9fba3924	508	*
frank26080115	0:bf7b9fba3924	509	* Check if a connection has outstanding (i.e., unacknowledged) data.
frank26080115	0:bf7b9fba3924	510	*
frank26080115	0:bf7b9fba3924	511	* \param conn A pointer to the uip_conn structure for the connection.
frank26080115	0:bf7b9fba3924	512	*
frank26080115	0:bf7b9fba3924	513	* \hideinitializer
frank26080115	0:bf7b9fba3924	514	*/
frank26080115	0:bf7b9fba3924	515	#define uip_outstanding(conn) ((conn)->len)
frank26080115	0:bf7b9fba3924	516
frank26080115	0:bf7b9fba3924	517	/**
frank26080115	0:bf7b9fba3924	518	* Send data on the current connection.
frank26080115	0:bf7b9fba3924	519	*
frank26080115	0:bf7b9fba3924	520	* This function is used to send out a single segment of TCP
frank26080115	0:bf7b9fba3924	521	* data. Only applications that have been invoked by uIP for event
frank26080115	0:bf7b9fba3924	522	* processing can send data.
frank26080115	0:bf7b9fba3924	523	*
frank26080115	0:bf7b9fba3924	524	* The amount of data that actually is sent out after a call to this
frank26080115	0:bf7b9fba3924	525	* funcion is determined by the maximum amount of data TCP allows. uIP
frank26080115	0:bf7b9fba3924	526	* will automatically crop the data so that only the appropriate
frank26080115	0:bf7b9fba3924	527	* amount of data is sent. The function uip_mss() can be used to query
frank26080115	0:bf7b9fba3924	528	* uIP for the amount of data that actually will be sent.
frank26080115	0:bf7b9fba3924	529	*
frank26080115	0:bf7b9fba3924	530	* \note This function does not guarantee that the sent data will
frank26080115	0:bf7b9fba3924	531	* arrive at the destination. If the data is lost in the network, the
frank26080115	0:bf7b9fba3924	532	* application will be invoked with the uip_rexmit() event being
frank26080115	0:bf7b9fba3924	533	* set. The application will then have to resend the data using this
frank26080115	0:bf7b9fba3924	534	* function.
frank26080115	0:bf7b9fba3924	535	*
frank26080115	0:bf7b9fba3924	536	* \param data A pointer to the data which is to be sent.
frank26080115	0:bf7b9fba3924	537	*
frank26080115	0:bf7b9fba3924	538	* \param len The maximum amount of data bytes to be sent.
frank26080115	0:bf7b9fba3924	539	*
frank26080115	0:bf7b9fba3924	540	* \hideinitializer
frank26080115	0:bf7b9fba3924	541	*/
frank26080115	0:bf7b9fba3924	542	void uip_send(const void *data, int len);
frank26080115	0:bf7b9fba3924	543
frank26080115	0:bf7b9fba3924	544	/**
frank26080115	0:bf7b9fba3924	545	* The length of any incoming data that is currently avaliable (if avaliable)
frank26080115	0:bf7b9fba3924	546	* in the uip_appdata buffer.
frank26080115	0:bf7b9fba3924	547	*
frank26080115	0:bf7b9fba3924	548	* The test function uip_data() must first be used to check if there
frank26080115	0:bf7b9fba3924	549	* is any data available at all.
frank26080115	0:bf7b9fba3924	550	*
frank26080115	0:bf7b9fba3924	551	* \hideinitializer
frank26080115	0:bf7b9fba3924	552	*/
frank26080115	0:bf7b9fba3924	553	/void uip_datalen(void);/
frank26080115	0:bf7b9fba3924	554	#define uip_datalen() uip_len
frank26080115	0:bf7b9fba3924	555
frank26080115	0:bf7b9fba3924	556	/**
frank26080115	0:bf7b9fba3924	557	* The length of any out-of-band data (urgent data) that has arrived
frank26080115	0:bf7b9fba3924	558	* on the connection.
frank26080115	0:bf7b9fba3924	559	*
frank26080115	0:bf7b9fba3924	560	* \note The configuration parameter UIP_URGDATA must be set for this
frank26080115	0:bf7b9fba3924	561	* function to be enabled.
frank26080115	0:bf7b9fba3924	562	*
frank26080115	0:bf7b9fba3924	563	* \hideinitializer
frank26080115	0:bf7b9fba3924	564	*/
frank26080115	0:bf7b9fba3924	565	#define uip_urgdatalen() uip_urglen
frank26080115	0:bf7b9fba3924	566
frank26080115	0:bf7b9fba3924	567	/**
frank26080115	0:bf7b9fba3924	568	* Close the current connection.
frank26080115	0:bf7b9fba3924	569	*
frank26080115	0:bf7b9fba3924	570	* This function will close the current connection in a nice way.
frank26080115	0:bf7b9fba3924	571	*
frank26080115	0:bf7b9fba3924	572	* \hideinitializer
frank26080115	0:bf7b9fba3924	573	*/
frank26080115	0:bf7b9fba3924	574	#define uip_close() (uip_flags = UIP_CLOSE)
frank26080115	0:bf7b9fba3924	575
frank26080115	0:bf7b9fba3924	576	/**
frank26080115	0:bf7b9fba3924	577	* Abort the current connection.
frank26080115	0:bf7b9fba3924	578	*
frank26080115	0:bf7b9fba3924	579	* This function will abort (reset) the current connection, and is
frank26080115	0:bf7b9fba3924	580	* usually used when an error has occured that prevents using the
frank26080115	0:bf7b9fba3924	581	* uip_close() function.
frank26080115	0:bf7b9fba3924	582	*
frank26080115	0:bf7b9fba3924	583	* \hideinitializer
frank26080115	0:bf7b9fba3924	584	*/
frank26080115	0:bf7b9fba3924	585	#define uip_abort() (uip_flags = UIP_ABORT)
frank26080115	0:bf7b9fba3924	586
frank26080115	0:bf7b9fba3924	587	/**
frank26080115	0:bf7b9fba3924	588	* Tell the sending host to stop sending data.
frank26080115	0:bf7b9fba3924	589	*
frank26080115	0:bf7b9fba3924	590	* This function will close our receiver's window so that we stop
frank26080115	0:bf7b9fba3924	591	* receiving data for the current connection.
frank26080115	0:bf7b9fba3924	592	*
frank26080115	0:bf7b9fba3924	593	* \hideinitializer
frank26080115	0:bf7b9fba3924	594	*/
frank26080115	0:bf7b9fba3924	595	#define uip_stop() (uip_conn->tcpstateflags \|= UIP_STOPPED)
frank26080115	0:bf7b9fba3924	596
frank26080115	0:bf7b9fba3924	597	/**
frank26080115	0:bf7b9fba3924	598	* Find out if the current connection has been previously stopped with
frank26080115	0:bf7b9fba3924	599	* uip_stop().
frank26080115	0:bf7b9fba3924	600	*
frank26080115	0:bf7b9fba3924	601	* \hideinitializer
frank26080115	0:bf7b9fba3924	602	*/
frank26080115	0:bf7b9fba3924	603	#define uip_stopped(conn) ((conn)->tcpstateflags & UIP_STOPPED)
frank26080115	0:bf7b9fba3924	604
frank26080115	0:bf7b9fba3924	605	/**
frank26080115	0:bf7b9fba3924	606	* Restart the current connection, if is has previously been stopped
frank26080115	0:bf7b9fba3924	607	* with uip_stop().
frank26080115	0:bf7b9fba3924	608	*
frank26080115	0:bf7b9fba3924	609	* This function will open the receiver's window again so that we
frank26080115	0:bf7b9fba3924	610	* start receiving data for the current connection.
frank26080115	0:bf7b9fba3924	611	*
frank26080115	0:bf7b9fba3924	612	* \hideinitializer
frank26080115	0:bf7b9fba3924	613	*/
frank26080115	0:bf7b9fba3924	614	#define uip_restart() do { uip_flags \|= UIP_NEWDATA; \
frank26080115	0:bf7b9fba3924	615	uip_conn->tcpstateflags &= ~UIP_STOPPED; \
frank26080115	0:bf7b9fba3924	616	} while(0)
frank26080115	0:bf7b9fba3924	617
frank26080115	0:bf7b9fba3924	618
frank26080115	0:bf7b9fba3924	619	/* uIP tests that can be made to determine in what state the current
frank26080115	0:bf7b9fba3924	620	connection is, and what the application function should do. */
frank26080115	0:bf7b9fba3924	621
frank26080115	0:bf7b9fba3924	622	/**
frank26080115	0:bf7b9fba3924	623	* Is the current connection a UDP connection?
frank26080115	0:bf7b9fba3924	624	*
frank26080115	0:bf7b9fba3924	625	* This function checks whether the current connection is a UDP connection.
frank26080115	0:bf7b9fba3924	626	*
frank26080115	0:bf7b9fba3924	627	* \hideinitializer
frank26080115	0:bf7b9fba3924	628	*
frank26080115	0:bf7b9fba3924	629	*/
frank26080115	0:bf7b9fba3924	630	#define uip_udpconnection() (uip_conn == NULL)
frank26080115	0:bf7b9fba3924	631
frank26080115	0:bf7b9fba3924	632	/**
frank26080115	0:bf7b9fba3924	633	* Is new incoming data available?
frank26080115	0:bf7b9fba3924	634	*
frank26080115	0:bf7b9fba3924	635	* Will reduce to non-zero if there is new data for the application
frank26080115	0:bf7b9fba3924	636	* present at the uip_appdata pointer. The size of the data is
frank26080115	0:bf7b9fba3924	637	* avaliable through the uip_len variable.
frank26080115	0:bf7b9fba3924	638	*
frank26080115	0:bf7b9fba3924	639	* \hideinitializer
frank26080115	0:bf7b9fba3924	640	*/
frank26080115	0:bf7b9fba3924	641	#define uip_newdata() (uip_flags & UIP_NEWDATA)
frank26080115	0:bf7b9fba3924	642
frank26080115	0:bf7b9fba3924	643	/**
frank26080115	0:bf7b9fba3924	644	* Has previously sent data been acknowledged?
frank26080115	0:bf7b9fba3924	645	*
frank26080115	0:bf7b9fba3924	646	* Will reduce to non-zero if the previously sent data has been
frank26080115	0:bf7b9fba3924	647	* acknowledged by the remote host. This means that the application
frank26080115	0:bf7b9fba3924	648	* can send new data.
frank26080115	0:bf7b9fba3924	649	*
frank26080115	0:bf7b9fba3924	650	* \hideinitializer
frank26080115	0:bf7b9fba3924	651	*/
frank26080115	0:bf7b9fba3924	652	#define uip_acked() (uip_flags & UIP_ACKDATA)
frank26080115	0:bf7b9fba3924	653
frank26080115	0:bf7b9fba3924	654	/**
frank26080115	0:bf7b9fba3924	655	* Has the connection just been connected?
frank26080115	0:bf7b9fba3924	656	*
frank26080115	0:bf7b9fba3924	657	* Reduces to non-zero if the current connection has been connected to
frank26080115	0:bf7b9fba3924	658	* a remote host. This will happen both if the connection has been
frank26080115	0:bf7b9fba3924	659	* actively opened (with uip_connect()) or passively opened (with
frank26080115	0:bf7b9fba3924	660	* uip_listen()).
frank26080115	0:bf7b9fba3924	661	*
frank26080115	0:bf7b9fba3924	662	* \hideinitializer
frank26080115	0:bf7b9fba3924	663	*/
frank26080115	0:bf7b9fba3924	664	#define uip_connected() (uip_flags & UIP_CONNECTED)
frank26080115	0:bf7b9fba3924	665
frank26080115	0:bf7b9fba3924	666	/**
frank26080115	0:bf7b9fba3924	667	* Has the connection been closed by the other end?
frank26080115	0:bf7b9fba3924	668	*
frank26080115	0:bf7b9fba3924	669	* Is non-zero if the connection has been closed by the remote
frank26080115	0:bf7b9fba3924	670	* host. The application may then do the necessary clean-ups.
frank26080115	0:bf7b9fba3924	671	*
frank26080115	0:bf7b9fba3924	672	* \hideinitializer
frank26080115	0:bf7b9fba3924	673	*/
frank26080115	0:bf7b9fba3924	674	#define uip_closed() (uip_flags & UIP_CLOSE)
frank26080115	0:bf7b9fba3924	675
frank26080115	0:bf7b9fba3924	676	/**
frank26080115	0:bf7b9fba3924	677	* Has the connection been aborted by the other end?
frank26080115	0:bf7b9fba3924	678	*
frank26080115	0:bf7b9fba3924	679	* Non-zero if the current connection has been aborted (reset) by the
frank26080115	0:bf7b9fba3924	680	* remote host.
frank26080115	0:bf7b9fba3924	681	*
frank26080115	0:bf7b9fba3924	682	* \hideinitializer
frank26080115	0:bf7b9fba3924	683	*/
frank26080115	0:bf7b9fba3924	684	#define uip_aborted() (uip_flags & UIP_ABORT)
frank26080115	0:bf7b9fba3924	685
frank26080115	0:bf7b9fba3924	686	/**
frank26080115	0:bf7b9fba3924	687	* Has the connection timed out?
frank26080115	0:bf7b9fba3924	688	*
frank26080115	0:bf7b9fba3924	689	* Non-zero if the current connection has been aborted due to too many
frank26080115	0:bf7b9fba3924	690	* retransmissions.
frank26080115	0:bf7b9fba3924	691	*
frank26080115	0:bf7b9fba3924	692	* \hideinitializer
frank26080115	0:bf7b9fba3924	693	*/
frank26080115	0:bf7b9fba3924	694	#define uip_timedout() (uip_flags & UIP_TIMEDOUT)
frank26080115	0:bf7b9fba3924	695
frank26080115	0:bf7b9fba3924	696	/**
frank26080115	0:bf7b9fba3924	697	* Do we need to retransmit previously data?
frank26080115	0:bf7b9fba3924	698	*
frank26080115	0:bf7b9fba3924	699	* Reduces to non-zero if the previously sent data has been lost in
frank26080115	0:bf7b9fba3924	700	* the network, and the application should retransmit it. The
frank26080115	0:bf7b9fba3924	701	* application should send the exact same data as it did the last
frank26080115	0:bf7b9fba3924	702	* time, using the uip_send() function.
frank26080115	0:bf7b9fba3924	703	*
frank26080115	0:bf7b9fba3924	704	* \hideinitializer
frank26080115	0:bf7b9fba3924	705	*/
frank26080115	0:bf7b9fba3924	706	#define uip_rexmit() (uip_flags & UIP_REXMIT)
frank26080115	0:bf7b9fba3924	707
frank26080115	0:bf7b9fba3924	708	/**
frank26080115	0:bf7b9fba3924	709	* Is the connection being polled by uIP?
frank26080115	0:bf7b9fba3924	710	*
frank26080115	0:bf7b9fba3924	711	* Is non-zero if the reason the application is invoked is that the
frank26080115	0:bf7b9fba3924	712	* current connection has been idle for a while and should be
frank26080115	0:bf7b9fba3924	713	* polled.
frank26080115	0:bf7b9fba3924	714	*
frank26080115	0:bf7b9fba3924	715	* The polling event can be used for sending data without having to
frank26080115	0:bf7b9fba3924	716	* wait for the remote host to send data.
frank26080115	0:bf7b9fba3924	717	*
frank26080115	0:bf7b9fba3924	718	* \hideinitializer
frank26080115	0:bf7b9fba3924	719	*/
frank26080115	0:bf7b9fba3924	720	#define uip_poll() (uip_flags & UIP_POLL)
frank26080115	0:bf7b9fba3924	721
frank26080115	0:bf7b9fba3924	722	/**
frank26080115	0:bf7b9fba3924	723	* Get the initial maxium segment size (MSS) of the current
frank26080115	0:bf7b9fba3924	724	* connection.
frank26080115	0:bf7b9fba3924	725	*
frank26080115	0:bf7b9fba3924	726	* \hideinitializer
frank26080115	0:bf7b9fba3924	727	*/
frank26080115	0:bf7b9fba3924	728	#define uip_initialmss() (uip_conn->initialmss)
frank26080115	0:bf7b9fba3924	729
frank26080115	0:bf7b9fba3924	730	/**
frank26080115	0:bf7b9fba3924	731	* Get the current maxium segment size that can be sent on the current
frank26080115	0:bf7b9fba3924	732	* connection.
frank26080115	0:bf7b9fba3924	733	*
frank26080115	0:bf7b9fba3924	734	* The current maxiumum segment size that can be sent on the
frank26080115	0:bf7b9fba3924	735	* connection is computed from the receiver's window and the MSS of
frank26080115	0:bf7b9fba3924	736	* the connection (which also is available by calling
frank26080115	0:bf7b9fba3924	737	* uip_initialmss()).
frank26080115	0:bf7b9fba3924	738	*
frank26080115	0:bf7b9fba3924	739	* \hideinitializer
frank26080115	0:bf7b9fba3924	740	*/
frank26080115	0:bf7b9fba3924	741	#define uip_mss() (uip_conn->mss)
frank26080115	0:bf7b9fba3924	742
frank26080115	0:bf7b9fba3924	743	/**
frank26080115	0:bf7b9fba3924	744	* Set up a new UDP connection.
frank26080115	0:bf7b9fba3924	745	*
frank26080115	0:bf7b9fba3924	746	* This function sets up a new UDP connection. The function will
frank26080115	0:bf7b9fba3924	747	* automatically allocate an unused local port for the new
frank26080115	0:bf7b9fba3924	748	* connection. However, another port can be chosen by using the
frank26080115	0:bf7b9fba3924	749	* uip_udp_bind() call, after the uip_udp_new() function has been
frank26080115	0:bf7b9fba3924	750	* called.
frank26080115	0:bf7b9fba3924	751	*
frank26080115	0:bf7b9fba3924	752	* Example:
frank26080115	0:bf7b9fba3924	753	\code
frank26080115	0:bf7b9fba3924	754	uip_ipaddr_t addr;
frank26080115	0:bf7b9fba3924	755	struct uip_udp_conn *c;
frank26080115	0:bf7b9fba3924	756
frank26080115	0:bf7b9fba3924	757	uip_ipaddr(&addr, 192,168,2,1);
frank26080115	0:bf7b9fba3924	758	c = uip_udp_new(&addr, HTONS(12345));
frank26080115	0:bf7b9fba3924	759	if(c != NULL) {
frank26080115	0:bf7b9fba3924	760	uip_udp_bind(c, HTONS(12344));
frank26080115	0:bf7b9fba3924	761	}
frank26080115	0:bf7b9fba3924	762	\endcode
frank26080115	0:bf7b9fba3924	763	* \param ripaddr The IP address of the remote host.
frank26080115	0:bf7b9fba3924	764	*
frank26080115	0:bf7b9fba3924	765	* \param rport The remote port number in network byte order.
frank26080115	0:bf7b9fba3924	766	*
frank26080115	0:bf7b9fba3924	767	* \return The uip_udp_conn structure for the new connection or NULL
frank26080115	0:bf7b9fba3924	768	* if no connection could be allocated.
frank26080115	0:bf7b9fba3924	769	*/
frank26080115	0:bf7b9fba3924	770	struct uip_udp_conn uip_udp_new(uip_ipaddr_t ripaddr, u16_t rport);
frank26080115	0:bf7b9fba3924	771
frank26080115	0:bf7b9fba3924	772	/**
frank26080115	0:bf7b9fba3924	773	* Removed a UDP connection.
frank26080115	0:bf7b9fba3924	774	*
frank26080115	0:bf7b9fba3924	775	* \param conn A pointer to the uip_udp_conn structure for the connection.
frank26080115	0:bf7b9fba3924	776	*
frank26080115	0:bf7b9fba3924	777	* \hideinitializer
frank26080115	0:bf7b9fba3924	778	*/
frank26080115	0:bf7b9fba3924	779	#define uip_udp_remove(conn) (conn)->lport = 0
frank26080115	0:bf7b9fba3924	780
frank26080115	0:bf7b9fba3924	781	/**
frank26080115	0:bf7b9fba3924	782	* Bind a UDP connection to a local port.
frank26080115	0:bf7b9fba3924	783	*
frank26080115	0:bf7b9fba3924	784	* \param conn A pointer to the uip_udp_conn structure for the
frank26080115	0:bf7b9fba3924	785	* connection.
frank26080115	0:bf7b9fba3924	786	*
frank26080115	0:bf7b9fba3924	787	* \param port The local port number, in network byte order.
frank26080115	0:bf7b9fba3924	788	*
frank26080115	0:bf7b9fba3924	789	* \hideinitializer
frank26080115	0:bf7b9fba3924	790	*/
frank26080115	0:bf7b9fba3924	791	#define uip_udp_bind(conn, port) (conn)->lport = port
frank26080115	0:bf7b9fba3924	792
frank26080115	0:bf7b9fba3924	793	/**
frank26080115	0:bf7b9fba3924	794	* Send a UDP datagram of length len on the current connection.
frank26080115	0:bf7b9fba3924	795	*
frank26080115	0:bf7b9fba3924	796	* This function can only be called in response to a UDP event (poll
frank26080115	0:bf7b9fba3924	797	* or newdata). The data must be present in the uip_buf buffer, at the
frank26080115	0:bf7b9fba3924	798	* place pointed to by the uip_appdata pointer.
frank26080115	0:bf7b9fba3924	799	*
frank26080115	0:bf7b9fba3924	800	* \param len The length of the data in the uip_buf buffer.
frank26080115	0:bf7b9fba3924	801	*
frank26080115	0:bf7b9fba3924	802	* \hideinitializer
frank26080115	0:bf7b9fba3924	803	*/
frank26080115	0:bf7b9fba3924	804	#define uip_udp_send(len) uip_send((char *)uip_appdata, len)
frank26080115	0:bf7b9fba3924	805
frank26080115	0:bf7b9fba3924	806	/** @} */
frank26080115	0:bf7b9fba3924	807
frank26080115	0:bf7b9fba3924	808	/* uIP convenience and converting functions. */
frank26080115	0:bf7b9fba3924	809
frank26080115	0:bf7b9fba3924	810	/**
frank26080115	0:bf7b9fba3924	811	* \defgroup uipconvfunc uIP conversion functions
frank26080115	0:bf7b9fba3924	812	* @{
frank26080115	0:bf7b9fba3924	813	*
frank26080115	0:bf7b9fba3924	814	* These functions can be used for converting between different data
frank26080115	0:bf7b9fba3924	815	* formats used by uIP.
frank26080115	0:bf7b9fba3924	816	*/
frank26080115	0:bf7b9fba3924	817
frank26080115	0:bf7b9fba3924	818	/**
frank26080115	0:bf7b9fba3924	819	* Construct an IP address from four bytes.
frank26080115	0:bf7b9fba3924	820	*
frank26080115	0:bf7b9fba3924	821	* This function constructs an IP address of the type that uIP handles
frank26080115	0:bf7b9fba3924	822	* internally from four bytes. The function is handy for specifying IP
frank26080115	0:bf7b9fba3924	823	* addresses to use with e.g. the uip_connect() function.
frank26080115	0:bf7b9fba3924	824	*
frank26080115	0:bf7b9fba3924	825	* Example:
frank26080115	0:bf7b9fba3924	826	\code
frank26080115	0:bf7b9fba3924	827	uip_ipaddr_t ipaddr;
frank26080115	0:bf7b9fba3924	828	struct uip_conn *c;
frank26080115	0:bf7b9fba3924	829
frank26080115	0:bf7b9fba3924	830	uip_ipaddr(&ipaddr, 192,168,1,2);
frank26080115	0:bf7b9fba3924	831	c = uip_connect(&ipaddr, HTONS(80));
frank26080115	0:bf7b9fba3924	832	\endcode
frank26080115	0:bf7b9fba3924	833	*
frank26080115	0:bf7b9fba3924	834	* \param addr A pointer to a uip_ipaddr_t variable that will be
frank26080115	0:bf7b9fba3924	835	* filled in with the IP address.
frank26080115	0:bf7b9fba3924	836	*
frank26080115	0:bf7b9fba3924	837	* \param addr0 The first octet of the IP address.
frank26080115	0:bf7b9fba3924	838	* \param addr1 The second octet of the IP address.
frank26080115	0:bf7b9fba3924	839	* \param addr2 The third octet of the IP address.
frank26080115	0:bf7b9fba3924	840	* \param addr3 The forth octet of the IP address.
frank26080115	0:bf7b9fba3924	841	*
frank26080115	0:bf7b9fba3924	842	* \hideinitializer
frank26080115	0:bf7b9fba3924	843	*/
frank26080115	0:bf7b9fba3924	844	#define uip_ipaddr(addr, addr0,addr1,addr2,addr3) do { \
frank26080115	0:bf7b9fba3924	845	((u16_t *)(addr))[0] = HTONS(((addr0) << 8) \| (addr1)); \
frank26080115	0:bf7b9fba3924	846	((u16_t *)(addr))[1] = HTONS(((addr2) << 8) \| (addr3)); \
frank26080115	0:bf7b9fba3924	847	} while(0)
frank26080115	0:bf7b9fba3924	848
frank26080115	0:bf7b9fba3924	849	/**
frank26080115	0:bf7b9fba3924	850	* Construct an IPv6 address from eight 16-bit words.
frank26080115	0:bf7b9fba3924	851	*
frank26080115	0:bf7b9fba3924	852	* This function constructs an IPv6 address.
frank26080115	0:bf7b9fba3924	853	*
frank26080115	0:bf7b9fba3924	854	* \hideinitializer
frank26080115	0:bf7b9fba3924	855	*/
frank26080115	0:bf7b9fba3924	856	#define uip_ip6addr(addr, addr0,addr1,addr2,addr3,addr4,addr5,addr6,addr7) do { \
frank26080115	0:bf7b9fba3924	857	((u16_t *)(addr))[0] = HTONS((addr0)); \
frank26080115	0:bf7b9fba3924	858	((u16_t *)(addr))[1] = HTONS((addr1)); \
frank26080115	0:bf7b9fba3924	859	((u16_t *)(addr))[2] = HTONS((addr2)); \
frank26080115	0:bf7b9fba3924	860	((u16_t *)(addr))[3] = HTONS((addr3)); \
frank26080115	0:bf7b9fba3924	861	((u16_t *)(addr))[4] = HTONS((addr4)); \
frank26080115	0:bf7b9fba3924	862	((u16_t *)(addr))[5] = HTONS((addr5)); \
frank26080115	0:bf7b9fba3924	863	((u16_t *)(addr))[6] = HTONS((addr6)); \
frank26080115	0:bf7b9fba3924	864	((u16_t *)(addr))[7] = HTONS((addr7)); \
frank26080115	0:bf7b9fba3924	865	} while(0)
frank26080115	0:bf7b9fba3924	866
frank26080115	0:bf7b9fba3924	867	/**
frank26080115	0:bf7b9fba3924	868	* Copy an IP address to another IP address.
frank26080115	0:bf7b9fba3924	869	*
frank26080115	0:bf7b9fba3924	870	* Copies an IP address from one place to another.
frank26080115	0:bf7b9fba3924	871	*
frank26080115	0:bf7b9fba3924	872	* Example:
frank26080115	0:bf7b9fba3924	873	\code
frank26080115	0:bf7b9fba3924	874	uip_ipaddr_t ipaddr1, ipaddr2;
frank26080115	0:bf7b9fba3924	875
frank26080115	0:bf7b9fba3924	876	uip_ipaddr(&ipaddr1, 192,16,1,2);
frank26080115	0:bf7b9fba3924	877	uip_ipaddr_copy(&ipaddr2, &ipaddr1);
frank26080115	0:bf7b9fba3924	878	\endcode
frank26080115	0:bf7b9fba3924	879	*
frank26080115	0:bf7b9fba3924	880	* \param dest The destination for the copy.
frank26080115	0:bf7b9fba3924	881	* \param src The source from where to copy.
frank26080115	0:bf7b9fba3924	882	*
frank26080115	0:bf7b9fba3924	883	* \hideinitializer
frank26080115	0:bf7b9fba3924	884	*/
frank26080115	0:bf7b9fba3924	885	#if !UIP_CONF_IPV6
frank26080115	0:bf7b9fba3924	886	#define uip_ipaddr_copy(dest, src) do { \
frank26080115	0:bf7b9fba3924	887	((u16_t )dest)[0] = ((u16_t )src)[0]; \
frank26080115	0:bf7b9fba3924	888	((u16_t )dest)[1] = ((u16_t )src)[1]; \
frank26080115	0:bf7b9fba3924	889	} while(0)
frank26080115	0:bf7b9fba3924	890	#else /* !UIP_CONF_IPV6 */
frank26080115	0:bf7b9fba3924	891	#define uip_ipaddr_copy(dest, src) memcpy(dest, src, sizeof(uip_ip6addr_t))
frank26080115	0:bf7b9fba3924	892	#endif /* !UIP_CONF_IPV6 */
frank26080115	0:bf7b9fba3924	893
frank26080115	0:bf7b9fba3924	894	/**
frank26080115	0:bf7b9fba3924	895	* Compare two IP addresses
frank26080115	0:bf7b9fba3924	896	*
frank26080115	0:bf7b9fba3924	897	* Compares two IP addresses.
frank26080115	0:bf7b9fba3924	898	*
frank26080115	0:bf7b9fba3924	899	* Example:
frank26080115	0:bf7b9fba3924	900	\code
frank26080115	0:bf7b9fba3924	901	uip_ipaddr_t ipaddr1, ipaddr2;
frank26080115	0:bf7b9fba3924	902
frank26080115	0:bf7b9fba3924	903	uip_ipaddr(&ipaddr1, 192,16,1,2);
frank26080115	0:bf7b9fba3924	904	if(uip_ipaddr_cmp(&ipaddr2, &ipaddr1)) {
frank26080115	0:bf7b9fba3924	905	printf("They are the same");
frank26080115	0:bf7b9fba3924	906	}
frank26080115	0:bf7b9fba3924	907	\endcode
frank26080115	0:bf7b9fba3924	908	*
frank26080115	0:bf7b9fba3924	909	* \param addr1 The first IP address.
frank26080115	0:bf7b9fba3924	910	* \param addr2 The second IP address.
frank26080115	0:bf7b9fba3924	911	*
frank26080115	0:bf7b9fba3924	912	* \hideinitializer
frank26080115	0:bf7b9fba3924	913	*/
frank26080115	0:bf7b9fba3924	914	#if !UIP_CONF_IPV6
frank26080115	0:bf7b9fba3924	915	#define uip_ipaddr_cmp(addr1, addr2) (((u16_t )addr1)[0] == ((u16_t )addr2)[0] && \
frank26080115	0:bf7b9fba3924	916	((u16_t )addr1)[1] == ((u16_t )addr2)[1])
frank26080115	0:bf7b9fba3924	917	#else /* !UIP_CONF_IPV6 */
frank26080115	0:bf7b9fba3924	918	#define uip_ipaddr_cmp(addr1, addr2) (memcmp(addr1, addr2, sizeof(uip_ip6addr_t)) == 0)
frank26080115	0:bf7b9fba3924	919	#endif /* !UIP_CONF_IPV6 */
frank26080115	0:bf7b9fba3924	920
frank26080115	0:bf7b9fba3924	921	/**
frank26080115	0:bf7b9fba3924	922	* Compare two IP addresses with netmasks
frank26080115	0:bf7b9fba3924	923	*
frank26080115	0:bf7b9fba3924	924	* Compares two IP addresses with netmasks. The masks are used to mask
frank26080115	0:bf7b9fba3924	925	* out the bits that are to be compared.
frank26080115	0:bf7b9fba3924	926	*
frank26080115	0:bf7b9fba3924	927	* Example:
frank26080115	0:bf7b9fba3924	928	\code
frank26080115	0:bf7b9fba3924	929	uip_ipaddr_t ipaddr1, ipaddr2, mask;
frank26080115	0:bf7b9fba3924	930
frank26080115	0:bf7b9fba3924	931	uip_ipaddr(&mask, 255,255,255,0);
frank26080115	0:bf7b9fba3924	932	uip_ipaddr(&ipaddr1, 192,16,1,2);
frank26080115	0:bf7b9fba3924	933	uip_ipaddr(&ipaddr2, 192,16,1,3);
frank26080115	0:bf7b9fba3924	934	if(uip_ipaddr_maskcmp(&ipaddr1, &ipaddr2, &mask)) {
frank26080115	0:bf7b9fba3924	935	printf("They are the same");
frank26080115	0:bf7b9fba3924	936	}
frank26080115	0:bf7b9fba3924	937	\endcode
frank26080115	0:bf7b9fba3924	938	*
frank26080115	0:bf7b9fba3924	939	* \param addr1 The first IP address.
frank26080115	0:bf7b9fba3924	940	* \param addr2 The second IP address.
frank26080115	0:bf7b9fba3924	941	* \param mask The netmask.
frank26080115	0:bf7b9fba3924	942	*
frank26080115	0:bf7b9fba3924	943	* \hideinitializer
frank26080115	0:bf7b9fba3924	944	*/
frank26080115	0:bf7b9fba3924	945	#define uip_ipaddr_maskcmp(addr1, addr2, mask) \
frank26080115	0:bf7b9fba3924	946	(((((u16_t )addr1)[0] & ((u16_t )mask)[0]) == \
frank26080115	0:bf7b9fba3924	947	(((u16_t )addr2)[0] & ((u16_t )mask)[0])) && \
frank26080115	0:bf7b9fba3924	948	((((u16_t )addr1)[1] & ((u16_t )mask)[1]) == \
frank26080115	0:bf7b9fba3924	949	(((u16_t )addr2)[1] & ((u16_t )mask)[1])))
frank26080115	0:bf7b9fba3924	950
frank26080115	0:bf7b9fba3924	951
frank26080115	0:bf7b9fba3924	952	/**
frank26080115	0:bf7b9fba3924	953	* Mask out the network part of an IP address.
frank26080115	0:bf7b9fba3924	954	*
frank26080115	0:bf7b9fba3924	955	* Masks out the network part of an IP address, given the address and
frank26080115	0:bf7b9fba3924	956	* the netmask.
frank26080115	0:bf7b9fba3924	957	*
frank26080115	0:bf7b9fba3924	958	* Example:
frank26080115	0:bf7b9fba3924	959	\code
frank26080115	0:bf7b9fba3924	960	uip_ipaddr_t ipaddr1, ipaddr2, netmask;
frank26080115	0:bf7b9fba3924	961
frank26080115	0:bf7b9fba3924	962	uip_ipaddr(&ipaddr1, 192,16,1,2);
frank26080115	0:bf7b9fba3924	963	uip_ipaddr(&netmask, 255,255,255,0);
frank26080115	0:bf7b9fba3924	964	uip_ipaddr_mask(&ipaddr2, &ipaddr1, &netmask);
frank26080115	0:bf7b9fba3924	965	\endcode
frank26080115	0:bf7b9fba3924	966	*
frank26080115	0:bf7b9fba3924	967	* In the example above, the variable "ipaddr2" will contain the IP
frank26080115	0:bf7b9fba3924	968	* address 192.168.1.0.
frank26080115	0:bf7b9fba3924	969	*
frank26080115	0:bf7b9fba3924	970	* \param dest Where the result is to be placed.
frank26080115	0:bf7b9fba3924	971	* \param src The IP address.
frank26080115	0:bf7b9fba3924	972	* \param mask The netmask.
frank26080115	0:bf7b9fba3924	973	*
frank26080115	0:bf7b9fba3924	974	* \hideinitializer
frank26080115	0:bf7b9fba3924	975	*/
frank26080115	0:bf7b9fba3924	976	#define uip_ipaddr_mask(dest, src, mask) do { \
frank26080115	0:bf7b9fba3924	977	((u16_t )dest)[0] = ((u16_t )src)[0] & ((u16_t *)mask)[0]; \
frank26080115	0:bf7b9fba3924	978	((u16_t )dest)[1] = ((u16_t )src)[1] & ((u16_t *)mask)[1]; \
frank26080115	0:bf7b9fba3924	979	} while(0)
frank26080115	0:bf7b9fba3924	980
frank26080115	0:bf7b9fba3924	981	/**
frank26080115	0:bf7b9fba3924	982	* Pick the first octet of an IP address.
frank26080115	0:bf7b9fba3924	983	*
frank26080115	0:bf7b9fba3924	984	* Picks out the first octet of an IP address.
frank26080115	0:bf7b9fba3924	985	*
frank26080115	0:bf7b9fba3924	986	* Example:
frank26080115	0:bf7b9fba3924	987	\code
frank26080115	0:bf7b9fba3924	988	uip_ipaddr_t ipaddr;
frank26080115	0:bf7b9fba3924	989	u8_t octet;
frank26080115	0:bf7b9fba3924	990
frank26080115	0:bf7b9fba3924	991	uip_ipaddr(&ipaddr, 1,2,3,4);
frank26080115	0:bf7b9fba3924	992	octet = uip_ipaddr1(&ipaddr);
frank26080115	0:bf7b9fba3924	993	\endcode
frank26080115	0:bf7b9fba3924	994	*
frank26080115	0:bf7b9fba3924	995	* In the example above, the variable "octet" will contain the value 1.
frank26080115	0:bf7b9fba3924	996	*
frank26080115	0:bf7b9fba3924	997	* \hideinitializer
frank26080115	0:bf7b9fba3924	998	*/
frank26080115	0:bf7b9fba3924	999	#define uip_ipaddr1(addr) (htons(((u16_t *)(addr))[0]) >> 8)
frank26080115	0:bf7b9fba3924	1000
frank26080115	0:bf7b9fba3924	1001	/**
frank26080115	0:bf7b9fba3924	1002	* Pick the second octet of an IP address.
frank26080115	0:bf7b9fba3924	1003	*
frank26080115	0:bf7b9fba3924	1004	* Picks out the second octet of an IP address.
frank26080115	0:bf7b9fba3924	1005	*
frank26080115	0:bf7b9fba3924	1006	* Example:
frank26080115	0:bf7b9fba3924	1007	\code
frank26080115	0:bf7b9fba3924	1008	uip_ipaddr_t ipaddr;
frank26080115	0:bf7b9fba3924	1009	u8_t octet;
frank26080115	0:bf7b9fba3924	1010
frank26080115	0:bf7b9fba3924	1011	uip_ipaddr(&ipaddr, 1,2,3,4);
frank26080115	0:bf7b9fba3924	1012	octet = uip_ipaddr2(&ipaddr);
frank26080115	0:bf7b9fba3924	1013	\endcode
frank26080115	0:bf7b9fba3924	1014	*
frank26080115	0:bf7b9fba3924	1015	* In the example above, the variable "octet" will contain the value 2.
frank26080115	0:bf7b9fba3924	1016	*
frank26080115	0:bf7b9fba3924	1017	* \hideinitializer
frank26080115	0:bf7b9fba3924	1018	*/
frank26080115	0:bf7b9fba3924	1019	#define uip_ipaddr2(addr) (htons(((u16_t *)(addr))[0]) & 0xff)
frank26080115	0:bf7b9fba3924	1020
frank26080115	0:bf7b9fba3924	1021	/**
frank26080115	0:bf7b9fba3924	1022	* Pick the third octet of an IP address.
frank26080115	0:bf7b9fba3924	1023	*
frank26080115	0:bf7b9fba3924	1024	* Picks out the third octet of an IP address.
frank26080115	0:bf7b9fba3924	1025	*
frank26080115	0:bf7b9fba3924	1026	* Example:
frank26080115	0:bf7b9fba3924	1027	\code
frank26080115	0:bf7b9fba3924	1028	uip_ipaddr_t ipaddr;
frank26080115	0:bf7b9fba3924	1029	u8_t octet;
frank26080115	0:bf7b9fba3924	1030
frank26080115	0:bf7b9fba3924	1031	uip_ipaddr(&ipaddr, 1,2,3,4);
frank26080115	0:bf7b9fba3924	1032	octet = uip_ipaddr3(&ipaddr);
frank26080115	0:bf7b9fba3924	1033	\endcode
frank26080115	0:bf7b9fba3924	1034	*
frank26080115	0:bf7b9fba3924	1035	* In the example above, the variable "octet" will contain the value 3.
frank26080115	0:bf7b9fba3924	1036	*
frank26080115	0:bf7b9fba3924	1037	* \hideinitializer
frank26080115	0:bf7b9fba3924	1038	*/
frank26080115	0:bf7b9fba3924	1039	#define uip_ipaddr3(addr) (htons(((u16_t *)(addr))[1]) >> 8)
frank26080115	0:bf7b9fba3924	1040
frank26080115	0:bf7b9fba3924	1041	/**
frank26080115	0:bf7b9fba3924	1042	* Pick the fourth octet of an IP address.
frank26080115	0:bf7b9fba3924	1043	*
frank26080115	0:bf7b9fba3924	1044	* Picks out the fourth octet of an IP address.
frank26080115	0:bf7b9fba3924	1045	*
frank26080115	0:bf7b9fba3924	1046	* Example:
frank26080115	0:bf7b9fba3924	1047	\code
frank26080115	0:bf7b9fba3924	1048	uip_ipaddr_t ipaddr;
frank26080115	0:bf7b9fba3924	1049	u8_t octet;
frank26080115	0:bf7b9fba3924	1050
frank26080115	0:bf7b9fba3924	1051	uip_ipaddr(&ipaddr, 1,2,3,4);
frank26080115	0:bf7b9fba3924	1052	octet = uip_ipaddr4(&ipaddr);
frank26080115	0:bf7b9fba3924	1053	\endcode
frank26080115	0:bf7b9fba3924	1054	*
frank26080115	0:bf7b9fba3924	1055	* In the example above, the variable "octet" will contain the value 4.
frank26080115	0:bf7b9fba3924	1056	*
frank26080115	0:bf7b9fba3924	1057	* \hideinitializer
frank26080115	0:bf7b9fba3924	1058	*/
frank26080115	0:bf7b9fba3924	1059	#define uip_ipaddr4(addr) (htons(((u16_t *)(addr))[1]) & 0xff)
frank26080115	0:bf7b9fba3924	1060
frank26080115	0:bf7b9fba3924	1061	/**
frank26080115	0:bf7b9fba3924	1062	* Convert 16-bit quantity from host byte order to network byte order.
frank26080115	0:bf7b9fba3924	1063	*
frank26080115	0:bf7b9fba3924	1064	* This macro is primarily used for converting constants from host
frank26080115	0:bf7b9fba3924	1065	* byte order to network byte order. For converting variables to
frank26080115	0:bf7b9fba3924	1066	* network byte order, use the htons() function instead.
frank26080115	0:bf7b9fba3924	1067	*
frank26080115	0:bf7b9fba3924	1068	* \hideinitializer
frank26080115	0:bf7b9fba3924	1069	*/
frank26080115	0:bf7b9fba3924	1070	#ifndef HTONS
frank26080115	0:bf7b9fba3924	1071	# if UIP_BYTE_ORDER == UIP_BIG_ENDIAN
frank26080115	0:bf7b9fba3924	1072	# define HTONS(n) (n)
frank26080115	0:bf7b9fba3924	1073	# else /* UIP_BYTE_ORDER == UIP_BIG_ENDIAN */
frank26080115	0:bf7b9fba3924	1074	# define HTONS(n) (u16_t)((((u16_t) (n)) << 8) \| (((u16_t) (n)) >> 8))
frank26080115	0:bf7b9fba3924	1075	# endif /* UIP_BYTE_ORDER == UIP_BIG_ENDIAN */
frank26080115	0:bf7b9fba3924	1076	#else
frank26080115	0:bf7b9fba3924	1077	#error "HTONS already defined!"
frank26080115	0:bf7b9fba3924	1078	#endif /* HTONS */
frank26080115	0:bf7b9fba3924	1079
frank26080115	0:bf7b9fba3924	1080	/**
frank26080115	0:bf7b9fba3924	1081	* Convert 16-bit quantity from host byte order to network byte order.
frank26080115	0:bf7b9fba3924	1082	*
frank26080115	0:bf7b9fba3924	1083	* This function is primarily used for converting variables from host
frank26080115	0:bf7b9fba3924	1084	* byte order to network byte order. For converting constants to
frank26080115	0:bf7b9fba3924	1085	* network byte order, use the HTONS() macro instead.
frank26080115	0:bf7b9fba3924	1086	*/
frank26080115	0:bf7b9fba3924	1087	#ifndef htons
frank26080115	0:bf7b9fba3924	1088	u16_t htons(u16_t val);
frank26080115	0:bf7b9fba3924	1089	#endif /* htons */
frank26080115	0:bf7b9fba3924	1090	#ifndef ntohs
frank26080115	0:bf7b9fba3924	1091	#define ntohs htons
frank26080115	0:bf7b9fba3924	1092	#endif
frank26080115	0:bf7b9fba3924	1093
frank26080115	0:bf7b9fba3924	1094	/** @} */
frank26080115	0:bf7b9fba3924	1095
frank26080115	0:bf7b9fba3924	1096	/**
frank26080115	0:bf7b9fba3924	1097	* Pointer to the application data in the packet buffer.
frank26080115	0:bf7b9fba3924	1098	*
frank26080115	0:bf7b9fba3924	1099	* This pointer points to the application data when the application is
frank26080115	0:bf7b9fba3924	1100	* called. If the application wishes to send data, the application may
frank26080115	0:bf7b9fba3924	1101	* use this space to write the data into before calling uip_send().
frank26080115	0:bf7b9fba3924	1102	*/
frank26080115	0:bf7b9fba3924	1103	extern void *uip_appdata;
frank26080115	0:bf7b9fba3924	1104
frank26080115	0:bf7b9fba3924	1105	#if UIP_URGDATA > 0
frank26080115	0:bf7b9fba3924	1106	/* u8_t *uip_urgdata:
frank26080115	0:bf7b9fba3924	1107	*
frank26080115	0:bf7b9fba3924	1108	* This pointer points to any urgent data that has been received. Only
frank26080115	0:bf7b9fba3924	1109	* present if compiled with support for urgent data (UIP_URGDATA).
frank26080115	0:bf7b9fba3924	1110	*/
frank26080115	0:bf7b9fba3924	1111	extern void *uip_urgdata;
frank26080115	0:bf7b9fba3924	1112	#endif /* UIP_URGDATA > 0 */
frank26080115	0:bf7b9fba3924	1113
frank26080115	0:bf7b9fba3924	1114
frank26080115	0:bf7b9fba3924	1115	/**
frank26080115	0:bf7b9fba3924	1116	* \defgroup uipdrivervars Variables used in uIP device drivers
frank26080115	0:bf7b9fba3924	1117	* @{
frank26080115	0:bf7b9fba3924	1118	*
frank26080115	0:bf7b9fba3924	1119	* uIP has a few global variables that are used in device drivers for
frank26080115	0:bf7b9fba3924	1120	* uIP.
frank26080115	0:bf7b9fba3924	1121	*/
frank26080115	0:bf7b9fba3924	1122
frank26080115	0:bf7b9fba3924	1123	/**
frank26080115	0:bf7b9fba3924	1124	* The length of the packet in the uip_buf buffer.
frank26080115	0:bf7b9fba3924	1125	*
frank26080115	0:bf7b9fba3924	1126	* The global variable uip_len holds the length of the packet in the
frank26080115	0:bf7b9fba3924	1127	* uip_buf buffer.
frank26080115	0:bf7b9fba3924	1128	*
frank26080115	0:bf7b9fba3924	1129	* When the network device driver calls the uIP input function,
frank26080115	0:bf7b9fba3924	1130	* uip_len should be set to the length of the packet in the uip_buf
frank26080115	0:bf7b9fba3924	1131	* buffer.
frank26080115	0:bf7b9fba3924	1132	*
frank26080115	0:bf7b9fba3924	1133	* When sending packets, the device driver should use the contents of
frank26080115	0:bf7b9fba3924	1134	* the uip_len variable to determine the length of the outgoing
frank26080115	0:bf7b9fba3924	1135	* packet.
frank26080115	0:bf7b9fba3924	1136	*
frank26080115	0:bf7b9fba3924	1137	*/
frank26080115	0:bf7b9fba3924	1138	extern u16_t uip_len;
frank26080115	0:bf7b9fba3924	1139
frank26080115	0:bf7b9fba3924	1140	/** @} */
frank26080115	0:bf7b9fba3924	1141
frank26080115	0:bf7b9fba3924	1142	#if UIP_URGDATA > 0
frank26080115	0:bf7b9fba3924	1143	extern u16_t uip_urglen, uip_surglen;
frank26080115	0:bf7b9fba3924	1144	#endif /* UIP_URGDATA > 0 */
frank26080115	0:bf7b9fba3924	1145
frank26080115	0:bf7b9fba3924	1146
frank26080115	0:bf7b9fba3924	1147	/**
frank26080115	0:bf7b9fba3924	1148	* Representation of a uIP TCP connection.
frank26080115	0:bf7b9fba3924	1149	*
frank26080115	0:bf7b9fba3924	1150	* The uip_conn structure is used for identifying a connection. All
frank26080115	0:bf7b9fba3924	1151	* but one field in the structure are to be considered read-only by an
frank26080115	0:bf7b9fba3924	1152	* application. The only exception is the appstate field whos purpose
frank26080115	0:bf7b9fba3924	1153	* is to let the application store application-specific state (e.g.,
frank26080115	0:bf7b9fba3924	1154	* file pointers) for the connection. The type of this field is
frank26080115	0:bf7b9fba3924	1155	* configured in the "uipopt.h" header file.
frank26080115	0:bf7b9fba3924	1156	*/
frank26080115	0:bf7b9fba3924	1157	struct uip_conn {
frank26080115	0:bf7b9fba3924	1158	uip_ipaddr_t ripaddr; /*< The IP address of the remote host. /
frank26080115	0:bf7b9fba3924	1159
frank26080115	0:bf7b9fba3924	1160	u16_t lport; /*< The local TCP port, in network byte order. /
frank26080115	0:bf7b9fba3924	1161	u16_t rport; /**< The local remote TCP port, in network byte
frank26080115	0:bf7b9fba3924	1162	order. */
frank26080115	0:bf7b9fba3924	1163
frank26080115	0:bf7b9fba3924	1164	u8_t rcv_nxt[4]; /**< The sequence number that we expect to
frank26080115	0:bf7b9fba3924	1165	receive next. */
frank26080115	0:bf7b9fba3924	1166	u8_t snd_nxt[4]; /**< The sequence number that was last sent by
frank26080115	0:bf7b9fba3924	1167	us. */
frank26080115	0:bf7b9fba3924	1168	u16_t len; /*< Length of the data that was previously sent. /
frank26080115	0:bf7b9fba3924	1169	u16_t mss; /**< Current maximum segment size for the
frank26080115	0:bf7b9fba3924	1170	connection. */
frank26080115	0:bf7b9fba3924	1171	u16_t initialmss; /**< Initial maximum segment size for the
frank26080115	0:bf7b9fba3924	1172	connection. */
frank26080115	0:bf7b9fba3924	1173	u8_t sa; /**< Retransmission time-out calculation state
frank26080115	0:bf7b9fba3924	1174	variable. */
frank26080115	0:bf7b9fba3924	1175	u8_t sv; /**< Retransmission time-out calculation state
frank26080115	0:bf7b9fba3924	1176	variable. */
frank26080115	0:bf7b9fba3924	1177	u8_t rto; /*< Retransmission time-out. /
frank26080115	0:bf7b9fba3924	1178	u8_t tcpstateflags; /*< TCP state and flags. /
frank26080115	0:bf7b9fba3924	1179	u8_t timer; /*< The retransmission timer. /
frank26080115	0:bf7b9fba3924	1180	u8_t nrtx; /**< The number of retransmissions for the last
frank26080115	0:bf7b9fba3924	1181	segment sent. */
frank26080115	0:bf7b9fba3924	1182
frank26080115	0:bf7b9fba3924	1183	/** The application state. */
frank26080115	0:bf7b9fba3924	1184	uip_tcp_appstate_t appstate;
frank26080115	0:bf7b9fba3924	1185	};
frank26080115	0:bf7b9fba3924	1186
frank26080115	0:bf7b9fba3924	1187
frank26080115	0:bf7b9fba3924	1188	/**
frank26080115	0:bf7b9fba3924	1189	* Pointer to the current TCP connection.
frank26080115	0:bf7b9fba3924	1190	*
frank26080115	0:bf7b9fba3924	1191	* The uip_conn pointer can be used to access the current TCP
frank26080115	0:bf7b9fba3924	1192	* connection.
frank26080115	0:bf7b9fba3924	1193	*/
frank26080115	0:bf7b9fba3924	1194	extern struct uip_conn *uip_conn;
frank26080115	0:bf7b9fba3924	1195	/* The array containing all uIP connections. */
frank26080115	0:bf7b9fba3924	1196	extern struct uip_conn uip_conns[UIP_CONNS];
frank26080115	0:bf7b9fba3924	1197	/**
frank26080115	0:bf7b9fba3924	1198	* \addtogroup uiparch
frank26080115	0:bf7b9fba3924	1199	* @{
frank26080115	0:bf7b9fba3924	1200	*/
frank26080115	0:bf7b9fba3924	1201
frank26080115	0:bf7b9fba3924	1202	/**
frank26080115	0:bf7b9fba3924	1203	* 4-byte array used for the 32-bit sequence number calculations.
frank26080115	0:bf7b9fba3924	1204	*/
frank26080115	0:bf7b9fba3924	1205	extern u8_t uip_acc32[4];
frank26080115	0:bf7b9fba3924	1206
frank26080115	0:bf7b9fba3924	1207	/** @} */
frank26080115	0:bf7b9fba3924	1208
frank26080115	0:bf7b9fba3924	1209
frank26080115	0:bf7b9fba3924	1210	#if UIP_UDP
frank26080115	0:bf7b9fba3924	1211	/**
frank26080115	0:bf7b9fba3924	1212	* Representation of a uIP UDP connection.
frank26080115	0:bf7b9fba3924	1213	*/
frank26080115	0:bf7b9fba3924	1214	struct uip_udp_conn {
frank26080115	0:bf7b9fba3924	1215	uip_ipaddr_t ripaddr; /*< The IP address of the remote peer. /
frank26080115	0:bf7b9fba3924	1216	u16_t lport; /*< The local port number in network byte order. /
frank26080115	0:bf7b9fba3924	1217	u16_t rport; /*< The remote port number in network byte order. /
frank26080115	0:bf7b9fba3924	1218	u8_t ttl; /*< Default time-to-live. /
frank26080115	0:bf7b9fba3924	1219
frank26080115	0:bf7b9fba3924	1220	/** The application state. */
frank26080115	0:bf7b9fba3924	1221	uip_udp_appstate_t appstate;
frank26080115	0:bf7b9fba3924	1222	};
frank26080115	0:bf7b9fba3924	1223
frank26080115	0:bf7b9fba3924	1224	/**
frank26080115	0:bf7b9fba3924	1225	* The current UDP connection.
frank26080115	0:bf7b9fba3924	1226	*/
frank26080115	0:bf7b9fba3924	1227	extern struct uip_udp_conn *uip_udp_conn;
frank26080115	0:bf7b9fba3924	1228	extern struct uip_udp_conn uip_udp_conns[UIP_UDP_CONNS];
frank26080115	0:bf7b9fba3924	1229	#endif /* UIP_UDP */
frank26080115	0:bf7b9fba3924	1230
frank26080115	0:bf7b9fba3924	1231	/**
frank26080115	0:bf7b9fba3924	1232	* The structure holding the TCP/IP statistics that are gathered if
frank26080115	0:bf7b9fba3924	1233	* UIP_STATISTICS is set to 1.
frank26080115	0:bf7b9fba3924	1234	*
frank26080115	0:bf7b9fba3924	1235	*/
frank26080115	0:bf7b9fba3924	1236	struct uip_stats {
frank26080115	0:bf7b9fba3924	1237	struct {
frank26080115	0:bf7b9fba3924	1238	uip_stats_t drop; /**< Number of dropped packets at the IP
frank26080115	0:bf7b9fba3924	1239	layer. */
frank26080115	0:bf7b9fba3924	1240	uip_stats_t recv; /**< Number of received packets at the IP
frank26080115	0:bf7b9fba3924	1241	layer. */
frank26080115	0:bf7b9fba3924	1242	uip_stats_t sent; /**< Number of sent packets at the IP
frank26080115	0:bf7b9fba3924	1243	layer. */
frank26080115	0:bf7b9fba3924	1244	uip_stats_t vhlerr; /**< Number of packets dropped due to wrong
frank26080115	0:bf7b9fba3924	1245	IP version or header length. */
frank26080115	0:bf7b9fba3924	1246	uip_stats_t hblenerr; /**< Number of packets dropped due to wrong
frank26080115	0:bf7b9fba3924	1247	IP length, high byte. */
frank26080115	0:bf7b9fba3924	1248	uip_stats_t lblenerr; /**< Number of packets dropped due to wrong
frank26080115	0:bf7b9fba3924	1249	IP length, low byte. */
frank26080115	0:bf7b9fba3924	1250	uip_stats_t fragerr; /**< Number of packets dropped since they
frank26080115	0:bf7b9fba3924	1251	were IP fragments. */
frank26080115	0:bf7b9fba3924	1252	uip_stats_t chkerr; /**< Number of packets dropped due to IP
frank26080115	0:bf7b9fba3924	1253	checksum errors. */
frank26080115	0:bf7b9fba3924	1254	uip_stats_t protoerr; /**< Number of packets dropped since they
frank26080115	0:bf7b9fba3924	1255	were neither ICMP, UDP nor TCP. */
frank26080115	0:bf7b9fba3924	1256	} ip; /*< IP statistics. /
frank26080115	0:bf7b9fba3924	1257	struct {
frank26080115	0:bf7b9fba3924	1258	uip_stats_t drop; /*< Number of dropped ICMP packets. /
frank26080115	0:bf7b9fba3924	1259	uip_stats_t recv; /*< Number of received ICMP packets. /
frank26080115	0:bf7b9fba3924	1260	uip_stats_t sent; /*< Number of sent ICMP packets. /
frank26080115	0:bf7b9fba3924	1261	uip_stats_t typeerr; /**< Number of ICMP packets with a wrong
frank26080115	0:bf7b9fba3924	1262	type. */
frank26080115	0:bf7b9fba3924	1263	} icmp; /*< ICMP statistics. /
frank26080115	0:bf7b9fba3924	1264	struct {
frank26080115	0:bf7b9fba3924	1265	uip_stats_t drop; /*< Number of dropped TCP segments. /
frank26080115	0:bf7b9fba3924	1266	uip_stats_t recv; /*< Number of recived TCP segments. /
frank26080115	0:bf7b9fba3924	1267	uip_stats_t sent; /*< Number of sent TCP segments. /
frank26080115	0:bf7b9fba3924	1268	uip_stats_t chkerr; /**< Number of TCP segments with a bad
frank26080115	0:bf7b9fba3924	1269	checksum. */
frank26080115	0:bf7b9fba3924	1270	uip_stats_t ackerr; /**< Number of TCP segments with a bad ACK
frank26080115	0:bf7b9fba3924	1271	number. */
frank26080115	0:bf7b9fba3924	1272	uip_stats_t rst; /*< Number of recevied TCP RST (reset) segments. /
frank26080115	0:bf7b9fba3924	1273	uip_stats_t rexmit; /*< Number of retransmitted TCP segments. /
frank26080115	0:bf7b9fba3924	1274	uip_stats_t syndrop; /**< Number of dropped SYNs due to too few
frank26080115	0:bf7b9fba3924	1275	connections was avaliable. */
frank26080115	0:bf7b9fba3924	1276	uip_stats_t synrst; /**< Number of SYNs for closed ports,
frank26080115	0:bf7b9fba3924	1277	triggering a RST. */
frank26080115	0:bf7b9fba3924	1278	} tcp; /*< TCP statistics. /
frank26080115	0:bf7b9fba3924	1279	#if UIP_UDP
frank26080115	0:bf7b9fba3924	1280	struct {
frank26080115	0:bf7b9fba3924	1281	uip_stats_t drop; /*< Number of dropped UDP segments. /
frank26080115	0:bf7b9fba3924	1282	uip_stats_t recv; /*< Number of recived UDP segments. /
frank26080115	0:bf7b9fba3924	1283	uip_stats_t sent; /*< Number of sent UDP segments. /
frank26080115	0:bf7b9fba3924	1284	uip_stats_t chkerr; /**< Number of UDP segments with a bad
frank26080115	0:bf7b9fba3924	1285	checksum. */
frank26080115	0:bf7b9fba3924	1286	} udp; /*< UDP statistics. /
frank26080115	0:bf7b9fba3924	1287	#endif /* UIP_UDP */
frank26080115	0:bf7b9fba3924	1288	};
frank26080115	0:bf7b9fba3924	1289
frank26080115	0:bf7b9fba3924	1290	/**
frank26080115	0:bf7b9fba3924	1291	* The uIP TCP/IP statistics.
frank26080115	0:bf7b9fba3924	1292	*
frank26080115	0:bf7b9fba3924	1293	* This is the variable in which the uIP TCP/IP statistics are gathered.
frank26080115	0:bf7b9fba3924	1294	*/
frank26080115	0:bf7b9fba3924	1295	extern struct uip_stats uip_stat;
frank26080115	0:bf7b9fba3924	1296
frank26080115	0:bf7b9fba3924	1297
frank26080115	0:bf7b9fba3924	1298	/---------------------------------------------------------------------------/
frank26080115	0:bf7b9fba3924	1299	/* All the stuff below this point is internal to uIP and should not be
frank26080115	0:bf7b9fba3924	1300	* used directly by an application or by a device driver.
frank26080115	0:bf7b9fba3924	1301	*/
frank26080115	0:bf7b9fba3924	1302	/---------------------------------------------------------------------------/
frank26080115	0:bf7b9fba3924	1303	/* u8_t uip_flags:
frank26080115	0:bf7b9fba3924	1304	*
frank26080115	0:bf7b9fba3924	1305	* When the application is called, uip_flags will contain the flags
frank26080115	0:bf7b9fba3924	1306	* that are defined in this file. Please read below for more
frank26080115	0:bf7b9fba3924	1307	* infomation.
frank26080115	0:bf7b9fba3924	1308	*/
frank26080115	0:bf7b9fba3924	1309	extern u8_t uip_flags;
frank26080115	0:bf7b9fba3924	1310
frank26080115	0:bf7b9fba3924	1311	/* The following flags may be set in the global variable uip_flags
frank26080115	0:bf7b9fba3924	1312	before calling the application callback. The UIP_ACKDATA,
frank26080115	0:bf7b9fba3924	1313	UIP_NEWDATA, and UIP_CLOSE flags may both be set at the same time,
frank26080115	0:bf7b9fba3924	1314	whereas the others are mutualy exclusive. Note that these flags
frank26080115	0:bf7b9fba3924	1315	should NOT be accessed directly, but only through the uIP
frank26080115	0:bf7b9fba3924	1316	functions/macros. */
frank26080115	0:bf7b9fba3924	1317
frank26080115	0:bf7b9fba3924	1318	#define UIP_ACKDATA 1 /* Signifies that the outstanding data was
frank26080115	0:bf7b9fba3924	1319	acked and the application should send
frank26080115	0:bf7b9fba3924	1320	out new data instead of retransmitting
frank26080115	0:bf7b9fba3924	1321	the last data. */
frank26080115	0:bf7b9fba3924	1322	#define UIP_NEWDATA 2 /* Flags the fact that the peer has sent
frank26080115	0:bf7b9fba3924	1323	us new data. */
frank26080115	0:bf7b9fba3924	1324	#define UIP_REXMIT 4 /* Tells the application to retransmit the
frank26080115	0:bf7b9fba3924	1325	data that was last sent. */
frank26080115	0:bf7b9fba3924	1326	#define UIP_POLL 8 /* Used for polling the application, to
frank26080115	0:bf7b9fba3924	1327	check if the application has data that
frank26080115	0:bf7b9fba3924	1328	it wants to send. */
frank26080115	0:bf7b9fba3924	1329	#define UIP_CLOSE 16 /* The remote host has closed the
frank26080115	0:bf7b9fba3924	1330	connection, thus the connection has
frank26080115	0:bf7b9fba3924	1331	gone away. Or the application signals
frank26080115	0:bf7b9fba3924	1332	that it wants to close the
frank26080115	0:bf7b9fba3924	1333	connection. */
frank26080115	0:bf7b9fba3924	1334	#define UIP_ABORT 32 /* The remote host has aborted the
frank26080115	0:bf7b9fba3924	1335	connection, thus the connection has
frank26080115	0:bf7b9fba3924	1336	gone away. Or the application signals
frank26080115	0:bf7b9fba3924	1337	that it wants to abort the
frank26080115	0:bf7b9fba3924	1338	connection. */
frank26080115	0:bf7b9fba3924	1339	#define UIP_CONNECTED 64 /* We have got a connection from a remote
frank26080115	0:bf7b9fba3924	1340	host and have set up a new connection
frank26080115	0:bf7b9fba3924	1341	for it, or an active connection has
frank26080115	0:bf7b9fba3924	1342	been successfully established. */
frank26080115	0:bf7b9fba3924	1343
frank26080115	0:bf7b9fba3924	1344	#define UIP_TIMEDOUT 128 /* The connection has been aborted due to
frank26080115	0:bf7b9fba3924	1345	too many retransmissions. */
frank26080115	0:bf7b9fba3924	1346
frank26080115	0:bf7b9fba3924	1347	/* uip_process(flag):
frank26080115	0:bf7b9fba3924	1348	*
frank26080115	0:bf7b9fba3924	1349	* The actual uIP function which does all the work.
frank26080115	0:bf7b9fba3924	1350	*/
frank26080115	0:bf7b9fba3924	1351	void uip_process(u8_t flag);
frank26080115	0:bf7b9fba3924	1352
frank26080115	0:bf7b9fba3924	1353	/* The following flags are passed as an argument to the uip_process()
frank26080115	0:bf7b9fba3924	1354	function. They are used to distinguish between the two cases where
frank26080115	0:bf7b9fba3924	1355	uip_process() is called. It can be called either because we have
frank26080115	0:bf7b9fba3924	1356	incoming data that should be processed, or because the periodic
frank26080115	0:bf7b9fba3924	1357	timer has fired. These values are never used directly, but only in
frank26080115	0:bf7b9fba3924	1358	the macrose defined in this file. */
frank26080115	0:bf7b9fba3924	1359
frank26080115	0:bf7b9fba3924	1360	#define UIP_DATA 1 /* Tells uIP that there is incoming
frank26080115	0:bf7b9fba3924	1361	data in the uip_buf buffer. The
frank26080115	0:bf7b9fba3924	1362	length of the data is stored in the
frank26080115	0:bf7b9fba3924	1363	global variable uip_len. */
frank26080115	0:bf7b9fba3924	1364	#define UIP_TIMER 2 /* Tells uIP that the periodic timer
frank26080115	0:bf7b9fba3924	1365	has fired. */
frank26080115	0:bf7b9fba3924	1366	#define UIP_POLL_REQUEST 3 /* Tells uIP that a connection should
frank26080115	0:bf7b9fba3924	1367	be polled. */
frank26080115	0:bf7b9fba3924	1368	#define UIP_UDP_SEND_CONN 4 /* Tells uIP that a UDP datagram
frank26080115	0:bf7b9fba3924	1369	should be constructed in the
frank26080115	0:bf7b9fba3924	1370	uip_buf buffer. */
frank26080115	0:bf7b9fba3924	1371	#if UIP_UDP
frank26080115	0:bf7b9fba3924	1372	#define UIP_UDP_TIMER 5
frank26080115	0:bf7b9fba3924	1373	#endif /* UIP_UDP */
frank26080115	0:bf7b9fba3924	1374
frank26080115	0:bf7b9fba3924	1375	/* The TCP states used in the uip_conn->tcpstateflags. */
frank26080115	0:bf7b9fba3924	1376	#define UIP_CLOSED 0
frank26080115	0:bf7b9fba3924	1377	#define UIP_SYN_RCVD 1
frank26080115	0:bf7b9fba3924	1378	#define UIP_SYN_SENT 2
frank26080115	0:bf7b9fba3924	1379	#define UIP_ESTABLISHED 3
frank26080115	0:bf7b9fba3924	1380	#define UIP_FIN_WAIT_1 4
frank26080115	0:bf7b9fba3924	1381	#define UIP_FIN_WAIT_2 5
frank26080115	0:bf7b9fba3924	1382	#define UIP_CLOSING 6
frank26080115	0:bf7b9fba3924	1383	#define UIP_TIME_WAIT 7
frank26080115	0:bf7b9fba3924	1384	#define UIP_LAST_ACK 8
frank26080115	0:bf7b9fba3924	1385	#define UIP_TS_MASK 15
frank26080115	0:bf7b9fba3924	1386
frank26080115	0:bf7b9fba3924	1387	#define UIP_STOPPED 16
frank26080115	0:bf7b9fba3924	1388
frank26080115	0:bf7b9fba3924	1389	/* The TCP and IP headers. */
frank26080115	0:bf7b9fba3924	1390
frank26080115	0:bf7b9fba3924	1391	#ifdef __ICCARM__
frank26080115	0:bf7b9fba3924	1392	#pragma pack(1)
frank26080115	0:bf7b9fba3924	1393	#endif
frank26080115	0:bf7b9fba3924	1394
frank26080115	0:bf7b9fba3924	1395
frank26080115	0:bf7b9fba3924	1396	#if defined ( __CC_ARM )
frank26080115	0:bf7b9fba3924	1397	__packed
frank26080115	0:bf7b9fba3924	1398	#elif defined ( __GNUC__ )
frank26080115	0:bf7b9fba3924	1399	__attribute__ ((__packed__))
frank26080115	0:bf7b9fba3924	1400	#endif
frank26080115	0:bf7b9fba3924	1401	struct uip_tcpip_hdr {
frank26080115	0:bf7b9fba3924	1402	#if UIP_CONF_IPV6
frank26080115	0:bf7b9fba3924	1403	/* IPv6 header. */
frank26080115	0:bf7b9fba3924	1404	u8_t vtc,
frank26080115	0:bf7b9fba3924	1405	tcflow;
frank26080115	0:bf7b9fba3924	1406	u16_t flow;
frank26080115	0:bf7b9fba3924	1407	u8_t len[2];
frank26080115	0:bf7b9fba3924	1408	u8_t proto, ttl;
frank26080115	0:bf7b9fba3924	1409	uip_ip6addr_t srcipaddr, destipaddr;
frank26080115	0:bf7b9fba3924	1410	#else /* UIP_CONF_IPV6 */
frank26080115	0:bf7b9fba3924	1411	/* IPv4 header. */
frank26080115	0:bf7b9fba3924	1412	u8_t vhl,
frank26080115	0:bf7b9fba3924	1413	tos,
frank26080115	0:bf7b9fba3924	1414	len[2],
frank26080115	0:bf7b9fba3924	1415	ipid[2],
frank26080115	0:bf7b9fba3924	1416	ipoffset[2],
frank26080115	0:bf7b9fba3924	1417	ttl,
frank26080115	0:bf7b9fba3924	1418	proto;
frank26080115	0:bf7b9fba3924	1419	u16_t ipchksum;
frank26080115	0:bf7b9fba3924	1420	u16_t srcipaddr[2],
frank26080115	0:bf7b9fba3924	1421	destipaddr[2];
frank26080115	0:bf7b9fba3924	1422	#endif /* UIP_CONF_IPV6 */
frank26080115	0:bf7b9fba3924	1423
frank26080115	0:bf7b9fba3924	1424	/* TCP header. */
frank26080115	0:bf7b9fba3924	1425	u16_t srcport,
frank26080115	0:bf7b9fba3924	1426	destport;
frank26080115	0:bf7b9fba3924	1427	u8_t seqno[4],
frank26080115	0:bf7b9fba3924	1428	ackno[4],
frank26080115	0:bf7b9fba3924	1429	tcpoffset,
frank26080115	0:bf7b9fba3924	1430	flags,
frank26080115	0:bf7b9fba3924	1431	wnd[2];
frank26080115	0:bf7b9fba3924	1432	u16_t tcpchksum;
frank26080115	0:bf7b9fba3924	1433	u8_t urgp[2];
frank26080115	0:bf7b9fba3924	1434	u8_t optdata[4];
frank26080115	0:bf7b9fba3924	1435	} /PACK_STRUCT_END/;
frank26080115	0:bf7b9fba3924	1436
frank26080115	0:bf7b9fba3924	1437	#ifdef __ICCARM__
frank26080115	0:bf7b9fba3924	1438	#pragma pack()
frank26080115	0:bf7b9fba3924	1439	#endif
frank26080115	0:bf7b9fba3924	1440
frank26080115	0:bf7b9fba3924	1441	/* The ICMP and IP headers. */
frank26080115	0:bf7b9fba3924	1442	#ifdef __ICCARM__
frank26080115	0:bf7b9fba3924	1443	#pragma pack(1)
frank26080115	0:bf7b9fba3924	1444	#endif
frank26080115	0:bf7b9fba3924	1445
frank26080115	0:bf7b9fba3924	1446
frank26080115	0:bf7b9fba3924	1447	#if defined ( __CC_ARM )
frank26080115	0:bf7b9fba3924	1448	__packed
frank26080115	0:bf7b9fba3924	1449	#elif defined ( __GNUC__ )
frank26080115	0:bf7b9fba3924	1450	__attribute__ ((__packed__))
frank26080115	0:bf7b9fba3924	1451	#endif
frank26080115	0:bf7b9fba3924	1452	struct uip_icmpip_hdr {
frank26080115	0:bf7b9fba3924	1453	#if UIP_CONF_IPV6
frank26080115	0:bf7b9fba3924	1454	/* IPv6 header. */
frank26080115	0:bf7b9fba3924	1455	u8_t vtc,
frank26080115	0:bf7b9fba3924	1456	tcf;
frank26080115	0:bf7b9fba3924	1457	u16_t flow;
frank26080115	0:bf7b9fba3924	1458	u8_t len[2];
frank26080115	0:bf7b9fba3924	1459	u8_t proto, ttl;
frank26080115	0:bf7b9fba3924	1460	uip_ip6addr_t srcipaddr, destipaddr;
frank26080115	0:bf7b9fba3924	1461	#else /* UIP_CONF_IPV6 */
frank26080115	0:bf7b9fba3924	1462	/* IPv4 header. */
frank26080115	0:bf7b9fba3924	1463	u8_t vhl,
frank26080115	0:bf7b9fba3924	1464	tos,
frank26080115	0:bf7b9fba3924	1465	len[2],
frank26080115	0:bf7b9fba3924	1466	ipid[2],
frank26080115	0:bf7b9fba3924	1467	ipoffset[2],
frank26080115	0:bf7b9fba3924	1468	ttl,
frank26080115	0:bf7b9fba3924	1469	proto;
frank26080115	0:bf7b9fba3924	1470	u16_t ipchksum;
frank26080115	0:bf7b9fba3924	1471	u16_t srcipaddr[2],
frank26080115	0:bf7b9fba3924	1472	destipaddr[2];
frank26080115	0:bf7b9fba3924	1473	#endif /* UIP_CONF_IPV6 */
frank26080115	0:bf7b9fba3924	1474
frank26080115	0:bf7b9fba3924	1475	/* ICMP (echo) header. */
frank26080115	0:bf7b9fba3924	1476	u8_t type, icode;
frank26080115	0:bf7b9fba3924	1477	u16_t icmpchksum;
frank26080115	0:bf7b9fba3924	1478	#if !UIP_CONF_IPV6
frank26080115	0:bf7b9fba3924	1479	u16_t id, seqno;
frank26080115	0:bf7b9fba3924	1480	#else /* !UIP_CONF_IPV6 */
frank26080115	0:bf7b9fba3924	1481	u8_t flags, reserved1, reserved2, reserved3;
frank26080115	0:bf7b9fba3924	1482	u8_t icmp6data[16];
frank26080115	0:bf7b9fba3924	1483	u8_t options[1];
frank26080115	0:bf7b9fba3924	1484	#endif /* !UIP_CONF_IPV6 */
frank26080115	0:bf7b9fba3924	1485	} /PACK_STRUCT_END/;
frank26080115	0:bf7b9fba3924	1486
frank26080115	0:bf7b9fba3924	1487	#ifdef __ICCARM__
frank26080115	0:bf7b9fba3924	1488	#pragma pack()
frank26080115	0:bf7b9fba3924	1489	#endif
frank26080115	0:bf7b9fba3924	1490
frank26080115	0:bf7b9fba3924	1491
frank26080115	0:bf7b9fba3924	1492	/* The UDP and IP headers. */
frank26080115	0:bf7b9fba3924	1493	#ifdef __ICCARM__
frank26080115	0:bf7b9fba3924	1494	#pragma pack(1)
frank26080115	0:bf7b9fba3924	1495	#endif
frank26080115	0:bf7b9fba3924	1496
frank26080115	0:bf7b9fba3924	1497
frank26080115	0:bf7b9fba3924	1498	#if defined ( __CC_ARM )
frank26080115	0:bf7b9fba3924	1499	__packed
frank26080115	0:bf7b9fba3924	1500	#elif defined ( __GNUC__ )
frank26080115	0:bf7b9fba3924	1501	__attribute__ ((__packed__))
frank26080115	0:bf7b9fba3924	1502	#endif
frank26080115	0:bf7b9fba3924	1503	struct uip_udpip_hdr {
frank26080115	0:bf7b9fba3924	1504	#if UIP_CONF_IPV6
frank26080115	0:bf7b9fba3924	1505	/* IPv6 header. */
frank26080115	0:bf7b9fba3924	1506	u8_t vtc,
frank26080115	0:bf7b9fba3924	1507	tcf;
frank26080115	0:bf7b9fba3924	1508	u16_t flow;
frank26080115	0:bf7b9fba3924	1509	u8_t len[2];
frank26080115	0:bf7b9fba3924	1510	u8_t proto, ttl;
frank26080115	0:bf7b9fba3924	1511	uip_ip6addr_t srcipaddr, destipaddr;
frank26080115	0:bf7b9fba3924	1512	#else /* UIP_CONF_IPV6 */
frank26080115	0:bf7b9fba3924	1513	/* IP header. */
frank26080115	0:bf7b9fba3924	1514	u8_t vhl,
frank26080115	0:bf7b9fba3924	1515	tos,
frank26080115	0:bf7b9fba3924	1516	len[2],
frank26080115	0:bf7b9fba3924	1517	ipid[2],
frank26080115	0:bf7b9fba3924	1518	ipoffset[2],
frank26080115	0:bf7b9fba3924	1519	ttl,
frank26080115	0:bf7b9fba3924	1520	proto;
frank26080115	0:bf7b9fba3924	1521	u16_t ipchksum;
frank26080115	0:bf7b9fba3924	1522	u16_t srcipaddr[2],
frank26080115	0:bf7b9fba3924	1523	destipaddr[2];
frank26080115	0:bf7b9fba3924	1524	#endif /* UIP_CONF_IPV6 */
frank26080115	0:bf7b9fba3924	1525
frank26080115	0:bf7b9fba3924	1526	/* UDP header. */
frank26080115	0:bf7b9fba3924	1527	u16_t srcport,
frank26080115	0:bf7b9fba3924	1528	destport;
frank26080115	0:bf7b9fba3924	1529	u16_t udplen;
frank26080115	0:bf7b9fba3924	1530	u16_t udpchksum;
frank26080115	0:bf7b9fba3924	1531	} /PACK_STRUCT_END/;
frank26080115	0:bf7b9fba3924	1532
frank26080115	0:bf7b9fba3924	1533	#ifdef __ICCARM__
frank26080115	0:bf7b9fba3924	1534	#pragma pack()
frank26080115	0:bf7b9fba3924	1535	#endif
frank26080115	0:bf7b9fba3924	1536
frank26080115	0:bf7b9fba3924	1537
frank26080115	0:bf7b9fba3924	1538
frank26080115	0:bf7b9fba3924	1539	/**
frank26080115	0:bf7b9fba3924	1540	* The buffer size available for user data in the \ref uip_buf buffer.
frank26080115	0:bf7b9fba3924	1541	*
frank26080115	0:bf7b9fba3924	1542	* This macro holds the available size for user data in the \ref
frank26080115	0:bf7b9fba3924	1543	* uip_buf buffer. The macro is intended to be used for checking
frank26080115	0:bf7b9fba3924	1544	* bounds of available user data.
frank26080115	0:bf7b9fba3924	1545	*
frank26080115	0:bf7b9fba3924	1546	* Example:
frank26080115	0:bf7b9fba3924	1547	\code
frank26080115	0:bf7b9fba3924	1548	snprintf(uip_appdata, UIP_APPDATA_SIZE, "%u\n", i);
frank26080115	0:bf7b9fba3924	1549	\endcode
frank26080115	0:bf7b9fba3924	1550	*
frank26080115	0:bf7b9fba3924	1551	* \hideinitializer
frank26080115	0:bf7b9fba3924	1552	*/
frank26080115	0:bf7b9fba3924	1553	#define UIP_APPDATA_SIZE (UIP_BUFSIZE - UIP_LLH_LEN - UIP_TCPIP_HLEN)
frank26080115	0:bf7b9fba3924	1554
frank26080115	0:bf7b9fba3924	1555
frank26080115	0:bf7b9fba3924	1556	#define UIP_PROTO_ICMP 1
frank26080115	0:bf7b9fba3924	1557	#define UIP_PROTO_TCP 6
frank26080115	0:bf7b9fba3924	1558	#define UIP_PROTO_UDP 17
frank26080115	0:bf7b9fba3924	1559	#define UIP_PROTO_ICMP6 58
frank26080115	0:bf7b9fba3924	1560
frank26080115	0:bf7b9fba3924	1561	/* Header sizes. */
frank26080115	0:bf7b9fba3924	1562	#if UIP_CONF_IPV6
frank26080115	0:bf7b9fba3924	1563	#define UIP_IPH_LEN 40
frank26080115	0:bf7b9fba3924	1564	#else /* UIP_CONF_IPV6 */
frank26080115	0:bf7b9fba3924	1565	#define UIP_IPH_LEN 20 /* Size of IP header */
frank26080115	0:bf7b9fba3924	1566	#endif /* UIP_CONF_IPV6 */
frank26080115	0:bf7b9fba3924	1567	#define UIP_UDPH_LEN 8 /* Size of UDP header */
frank26080115	0:bf7b9fba3924	1568	#define UIP_TCPH_LEN 20 /* Size of TCP header */
frank26080115	0:bf7b9fba3924	1569	#define UIP_IPUDPH_LEN (UIP_UDPH_LEN + UIP_IPH_LEN) /* Size of IP +
frank26080115	0:bf7b9fba3924	1570	UDP
frank26080115	0:bf7b9fba3924	1571	header */
frank26080115	0:bf7b9fba3924	1572	#define UIP_IPTCPH_LEN (UIP_TCPH_LEN + UIP_IPH_LEN) /* Size of IP +
frank26080115	0:bf7b9fba3924	1573	TCP
frank26080115	0:bf7b9fba3924	1574	header */
frank26080115	0:bf7b9fba3924	1575	#define UIP_TCPIP_HLEN UIP_IPTCPH_LEN
frank26080115	0:bf7b9fba3924	1576
frank26080115	0:bf7b9fba3924	1577
frank26080115	0:bf7b9fba3924	1578	#if UIP_FIXEDADDR
frank26080115	0:bf7b9fba3924	1579	extern const uip_ipaddr_t uip_hostaddr, uip_netmask, uip_draddr;
frank26080115	0:bf7b9fba3924	1580	#else /* UIP_FIXEDADDR */
frank26080115	0:bf7b9fba3924	1581	extern uip_ipaddr_t uip_hostaddr, uip_netmask, uip_draddr;
frank26080115	0:bf7b9fba3924	1582	#endif /* UIP_FIXEDADDR */
frank26080115	0:bf7b9fba3924	1583
frank26080115	0:bf7b9fba3924	1584
frank26080115	0:bf7b9fba3924	1585
frank26080115	0:bf7b9fba3924	1586	/**
frank26080115	0:bf7b9fba3924	1587	* Representation of a 48-bit Ethernet address.
frank26080115	0:bf7b9fba3924	1588	*/
frank26080115	0:bf7b9fba3924	1589	#ifdef __ICCARM__
frank26080115	0:bf7b9fba3924	1590	#pragma pack(1)
frank26080115	0:bf7b9fba3924	1591	#endif
frank26080115	0:bf7b9fba3924	1592
frank26080115	0:bf7b9fba3924	1593
frank26080115	0:bf7b9fba3924	1594	#if defined ( __CC_ARM )
frank26080115	0:bf7b9fba3924	1595	__packed
frank26080115	0:bf7b9fba3924	1596	#elif defined ( __GNUC__ )
frank26080115	0:bf7b9fba3924	1597	__attribute__ ((__packed__))
frank26080115	0:bf7b9fba3924	1598	#endif
frank26080115	0:bf7b9fba3924	1599	struct uip_eth_addr {
frank26080115	0:bf7b9fba3924	1600	u8_t addr[6];
frank26080115	0:bf7b9fba3924	1601	} /PACK_STRUCT_END/;
frank26080115	0:bf7b9fba3924	1602
frank26080115	0:bf7b9fba3924	1603	#ifdef __ICCARM__
frank26080115	0:bf7b9fba3924	1604	#pragma pack()
frank26080115	0:bf7b9fba3924	1605	#endif
frank26080115	0:bf7b9fba3924	1606
frank26080115	0:bf7b9fba3924	1607	/**
frank26080115	0:bf7b9fba3924	1608	* Calculate the Internet checksum over a buffer.
frank26080115	0:bf7b9fba3924	1609	*
frank26080115	0:bf7b9fba3924	1610	* The Internet checksum is the one's complement of the one's
frank26080115	0:bf7b9fba3924	1611	* complement sum of all 16-bit words in the buffer.
frank26080115	0:bf7b9fba3924	1612	*
frank26080115	0:bf7b9fba3924	1613	* See RFC1071.
frank26080115	0:bf7b9fba3924	1614	*
frank26080115	0:bf7b9fba3924	1615	* \param buf A pointer to the buffer over which the checksum is to be
frank26080115	0:bf7b9fba3924	1616	* computed.
frank26080115	0:bf7b9fba3924	1617	*
frank26080115	0:bf7b9fba3924	1618	* \param len The length of the buffer over which the checksum is to
frank26080115	0:bf7b9fba3924	1619	* be computed.
frank26080115	0:bf7b9fba3924	1620	*
frank26080115	0:bf7b9fba3924	1621	* \return The Internet checksum of the buffer.
frank26080115	0:bf7b9fba3924	1622	*/
frank26080115	0:bf7b9fba3924	1623	u16_t uip_chksum(u16_t *buf, u16_t len);
frank26080115	0:bf7b9fba3924	1624
frank26080115	0:bf7b9fba3924	1625	/**
frank26080115	0:bf7b9fba3924	1626	* Calculate the IP header checksum of the packet header in uip_buf.
frank26080115	0:bf7b9fba3924	1627	*
frank26080115	0:bf7b9fba3924	1628	* The IP header checksum is the Internet checksum of the 20 bytes of
frank26080115	0:bf7b9fba3924	1629	* the IP header.
frank26080115	0:bf7b9fba3924	1630	*
frank26080115	0:bf7b9fba3924	1631	* \return The IP header checksum of the IP header in the uip_buf
frank26080115	0:bf7b9fba3924	1632	* buffer.
frank26080115	0:bf7b9fba3924	1633	*/
frank26080115	0:bf7b9fba3924	1634	u16_t uip_ipchksum(void);
frank26080115	0:bf7b9fba3924	1635
frank26080115	0:bf7b9fba3924	1636	/**
frank26080115	0:bf7b9fba3924	1637	* Calculate the TCP checksum of the packet in uip_buf and uip_appdata.
frank26080115	0:bf7b9fba3924	1638	*
frank26080115	0:bf7b9fba3924	1639	* The TCP checksum is the Internet checksum of data contents of the
frank26080115	0:bf7b9fba3924	1640	* TCP segment, and a pseudo-header as defined in RFC793.
frank26080115	0:bf7b9fba3924	1641	*
frank26080115	0:bf7b9fba3924	1642	* \return The TCP checksum of the TCP segment in uip_buf and pointed
frank26080115	0:bf7b9fba3924	1643	* to by uip_appdata.
frank26080115	0:bf7b9fba3924	1644	*/
frank26080115	0:bf7b9fba3924	1645	u16_t uip_tcpchksum(void);
frank26080115	0:bf7b9fba3924	1646
frank26080115	0:bf7b9fba3924	1647	/**
frank26080115	0:bf7b9fba3924	1648	* Calculate the UDP checksum of the packet in uip_buf and uip_appdata.
frank26080115	0:bf7b9fba3924	1649	*
frank26080115	0:bf7b9fba3924	1650	* The UDP checksum is the Internet checksum of data contents of the
frank26080115	0:bf7b9fba3924	1651	* UDP segment, and a pseudo-header as defined in RFC768.
frank26080115	0:bf7b9fba3924	1652	*
frank26080115	0:bf7b9fba3924	1653	* \return The UDP checksum of the UDP segment in uip_buf and pointed
frank26080115	0:bf7b9fba3924	1654	* to by uip_appdata.
frank26080115	0:bf7b9fba3924	1655	*/
frank26080115	0:bf7b9fba3924	1656	u16_t uip_udpchksum(void);
frank26080115	0:bf7b9fba3924	1657
frank26080115	0:bf7b9fba3924	1658
frank26080115	0:bf7b9fba3924	1659	#endif /* __UIP_H__ */
frank26080115	0:bf7b9fba3924	1660
frank26080115	0:bf7b9fba3924	1661
frank26080115	0:bf7b9fba3924	1662	/** @} */

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Type:	Program
Created:	20 Mar 2011
Imports:	199
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	0
Followers:	7

EMAC/uIP/uip/uip.h@0:bf7b9fba3924, 2011-03-20 (annotated)

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