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Squashed 'tmk_core/' changes from caca2c0..dc0e46e

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dc0e46e Rename LUFA to LUFA-git
3bfa7fa Remove LUFA-120730
215b764 Merge commit 'afa0f22a9299686fd88f58ce09c5b521ac917e8f' as 'protocol/lufa/LUFA'
afa0f22 Squashed 'protocol/lufa/LUFA/' content from commit def7fca
c0c42fa Remove submodule of LUFA
30f897d Merge commit '87ced33feb74e79c3281dda36eb6d6d153399b41' as 'protocol/usb_hid/USB_Host_Shield_2.0'
87ced33 Squashed 'protocol/usb_hid/USB_Host_Shield_2.0/' content from commit aab4a69
14f6d49 Remove submodule of USB_Host_Shield_2.0

git-subtree-dir: tmk_core
git-subtree-split: dc0e46eaa4367d4e218f8816e3c117895820f07c
This commit is contained in:
tmk 2015-05-13 11:13:10 +09:00
parent 4d116a04e9
commit f6d56675f9
1575 changed files with 421901 additions and 63190 deletions
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37
protocol/lufa/LUFA-git/Projects/Webserver/Lib/uip/clock.c Normal file
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#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include <LUFA/Common/Common.h>
#include "clock.h"
//Counted time
volatile clock_time_t clock_datetime = 0;
//Overflow interrupt
ISR(TIMER1_COMPA_vect, ISR_BLOCK)
{
clock_datetime += 1;
}
//Initialise the clock
void clock_init()
{
OCR1A = (((F_CPU / 1024) / 100) - 1);
TCCR1B = ((1 << WGM12) | (1 << CS12) | (1 << CS10));
TIMSK1 = (1 << OCIE1A);
}
//Return time
clock_time_t clock_time()
{
clock_time_t time;
GlobalInterruptDisable();
time = clock_datetime;
GlobalInterruptEnable();
return time;
}

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#ifndef __CLOCK_ARCH_H__
#define __CLOCK_ARCH_H__
#include <stdint.h>
#include <util/atomic.h>
typedef uint16_t clock_time_t;
#define CLOCK_SECOND 100
void clock_init(void);
clock_time_t clock_time(void);
#endif /* __CLOCK_ARCH_H__ */

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/**
* \addtogroup timer
* @{
*/
/**
* \file
* Timer library implementation.
* \author
* Adam Dunkels <adam@sics.se>
*/
/*
* Copyright (c) 2004, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack
*
* Author: Adam Dunkels <adam@sics.se>
*
* $Id: timer.c,v 1.2 2006/06/12 08:00:30 adam Exp $
*/
#include "clock.h"
#include "timer.h"
/*---------------------------------------------------------------------------*/
/**
* Set a timer.
*
* This function is used to set a timer for a time sometime in the
* future. The function timer_expired() will evaluate to true after
* the timer has expired.
*
* \param t A pointer to the timer
* \param interval The interval before the timer expires.
*
*/
void
timer_set(struct timer *t, clock_time_t interval)
{
t->interval = interval;
t->start = clock_time();
}
/*---------------------------------------------------------------------------*/
/**
* Reset the timer with the same interval.
*
* This function resets the timer with the same interval that was
* given to the timer_set() function. The start point of the interval
* is the exact time that the timer last expired. Therefore, this
* function will cause the timer to be stable over time, unlike the
* timer_restart() function.
*
* \param t A pointer to the timer.
*
* \sa timer_restart()
*/
void
timer_reset(struct timer *t)
{
t->start += t->interval;
}
/*---------------------------------------------------------------------------*/
/**
* Restart the timer from the current point in time
*
* This function restarts a timer with the same interval that was
* given to the timer_set() function. The timer will start at the
* current time.
*
* \note A periodic timer will drift if this function is used to reset
* it. For periodic timers, use the timer_reset() function instead.
*
* \param t A pointer to the timer.
*
* \sa timer_reset()
*/
void
timer_restart(struct timer *t)
{
t->start = clock_time();
}
/*---------------------------------------------------------------------------*/
/**
* Check if a timer has expired.
*
* This function tests if a timer has expired and returns true or
* false depending on its status.
*
* \param t A pointer to the timer
*
* \return Non-zero if the timer has expired, zero otherwise.
*
*/
int
timer_expired(struct timer *t)
{
return (clock_time_t)(clock_time() - t->start) >= (clock_time_t)t->interval;
}
/*---------------------------------------------------------------------------*/
/** @} */

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/**
* \defgroup timer Timer library
*
* The timer library provides functions for setting, resetting and
* restarting timers, and for checking if a timer has expired. An
* application must "manually" check if its timers have expired; this
* is not done automatically.
*
* A timer is declared as a \c struct \c timer and all access to the
* timer is made by a pointer to the declared timer.
*
* \note The timer library uses the \ref clock "Clock library" to
* measure time. Intervals should be specified in the format used by
* the clock library.
*
* @{
*/
/**
* \file
* Timer library header file.
* \author
* Adam Dunkels <adam@sics.se>
*/
/*
* Copyright (c) 2004, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack
*
* Author: Adam Dunkels <adam@sics.se>
*
* $Id: timer.h,v 1.3 2006/06/11 21:46:39 adam Exp $
*/
#ifndef __TIMER_H__
#define __TIMER_H__
#include "clock.h"
/**
* A timer.
*
* This structure is used for declaring a timer. The timer must be set
* with timer_set() before it can be used.
*
* \hideinitializer
*/
struct timer {
clock_time_t start;
clock_time_t interval;
};
void timer_set(struct timer *t, clock_time_t interval);
void timer_reset(struct timer *t);
void timer_restart(struct timer *t);
int timer_expired(struct timer *t);
#endif /* __TIMER_H__ */
/** @} */

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/*
* Copyright (c) 2004, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*
* Author: Adam Dunkels <adam@sics.se>
*
* $Id: uip-split.c,v 1.2 2008/10/14 13:39:12 julienabeille Exp $
*/
#include "uip-split.h"
#define BUF ((struct uip_tcpip_hdr *)&uip_buf[UIP_LLH_LEN])
/*-----------------------------------------------------------------------------*/
void
uip_split_output(void)
{
#if UIP_TCP
u16_t tcplen, len1, len2;
/* We only try to split maximum sized TCP segments. */
if(BUF->proto == UIP_PROTO_TCP && uip_len == UIP_BUFSIZE) {
tcplen = uip_len - UIP_TCPIP_HLEN - UIP_LLH_LEN;
/* Split the segment in two. If the original packet length was
odd, we make the second packet one byte larger. */
len1 = len2 = tcplen / 2;
if(len1 + len2 < tcplen) {
++len2;
}
/* Create the first packet. This is done by altering the length
field of the IP header and updating the checksums. */
uip_len = len1 + UIP_TCPIP_HLEN + UIP_LLH_LEN;
#if UIP_CONF_IPV6
/* For IPv6, the IP length field does not include the IPv6 IP header
length. */
BUF->len[0] = ((uip_len - UIP_IPH_LEN) >> 8);
BUF->len[1] = ((uip_len - UIP_IPH_LEN) & 0xff);
#else /* UIP_CONF_IPV6 */
BUF->len[0] = (uip_len - UIP_LLH_LEN) >> 8;
BUF->len[1] = (uip_len - UIP_LLH_LEN) & 0xff;
#endif /* UIP_CONF_IPV6 */
/* Recalculate the TCP checksum. */
BUF->tcpchksum = 0;
BUF->tcpchksum = ~(uip_tcpchksum());
#if !UIP_CONF_IPV6
/* Recalculate the IP checksum. */
BUF->ipchksum = 0;
BUF->ipchksum = ~(uip_ipchksum());
#endif /* UIP_CONF_IPV6 */
/* Transmit the first packet. */
#if UIP_CONF_IPV6
tcpip_ipv6_output();
#else
if (USB_CurrentMode == USB_MODE_Device)
RNDIS_Device_SendPacket(&Ethernet_RNDIS_Interface_Device, uip_buf, uip_len);
else
RNDIS_Host_SendPacket(&Ethernet_RNDIS_Interface_Host, uip_buf, uip_len);
#endif /* UIP_CONF_IPV6 */
/* Now, create the second packet. To do this, it is not enough to
just alter the length field, but we must also update the TCP
sequence number and point the uip_appdata to a new place in
memory. This place is determined by the length of the first
packet (len1). */
uip_len = len2 + UIP_TCPIP_HLEN + UIP_LLH_LEN;
#if UIP_CONF_IPV6
/* For IPv6, the IP length field does not include the IPv6 IP header
length. */
BUF->len[0] = ((uip_len - UIP_IPH_LEN) >> 8);
BUF->len[1] = ((uip_len - UIP_IPH_LEN) & 0xff);
#else /* UIP_CONF_IPV6 */
BUF->len[0] = (uip_len - UIP_LLH_LEN) >> 8;
BUF->len[1] = (uip_len - UIP_LLH_LEN) & 0xff;
#endif /* UIP_CONF_IPV6 */
memcpy(uip_appdata, (u8_t *)uip_appdata + len1, len2);
uip_add32(BUF->seqno, len1);
BUF->seqno[0] = uip_acc32[0];
BUF->seqno[1] = uip_acc32[1];
BUF->seqno[2] = uip_acc32[2];
BUF->seqno[3] = uip_acc32[3];
/* Recalculate the TCP checksum. */
BUF->tcpchksum = 0;
BUF->tcpchksum = ~(uip_tcpchksum());
#if !UIP_CONF_IPV6
/* Recalculate the IP checksum. */
BUF->ipchksum = 0;
BUF->ipchksum = ~(uip_ipchksum());
#endif /* UIP_CONF_IPV6 */
/* Transmit the second packet. */
#if UIP_CONF_IPV6
tcpip_ipv6_output();
#else
if (USB_CurrentMode == USB_MODE_Device)
RNDIS_Device_SendPacket(&Ethernet_RNDIS_Interface_Device, uip_buf, uip_len);
else
RNDIS_Host_SendPacket(&Ethernet_RNDIS_Interface_Host, uip_buf, uip_len);
#endif /* UIP_CONF_IPV6 */
return;
}
#endif /* UIP_TCP */
/* uip_fw_output();*/
#if UIP_CONF_IPV6
tcpip_ipv6_output();
#else
if (USB_CurrentMode == USB_MODE_Device)
RNDIS_Device_SendPacket(&Ethernet_RNDIS_Interface_Device, uip_buf, uip_len);
else
RNDIS_Host_SendPacket(&Ethernet_RNDIS_Interface_Host, uip_buf, uip_len);
#endif /* UIP_CONF_IPV6 */
}
/*-----------------------------------------------------------------------------*/

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/*
* Copyright (c) 2004, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*
* Author: Adam Dunkels <adam@sics.se>
*
* $Id: uip-split.h,v 1.1 2006/06/17 22:41:19 adamdunkels Exp $
*/
/**
* \addtogroup uip
* @{
*/
/**
* \defgroup uipsplit uIP TCP throughput booster hack
* @{
*
* The basic uIP TCP implementation only allows each TCP connection to
* have a single TCP segment in flight at any given time. Because of
* the delayed ACK algorithm employed by most TCP receivers, uIP's
* limit on the amount of in-flight TCP segments seriously reduces the
* maximum achievable throughput for sending data from uIP.
*
* The uip-split module is a hack which tries to remedy this
* situation. By splitting maximum sized outgoing TCP segments into
* two, the delayed ACK algorithm is not invoked at TCP
* receivers. This improves the throughput when sending data from uIP
* by orders of magnitude.
*
* The uip-split module uses the uip-fw module (uIP IP packet
* forwarding) for sending packets. Therefore, the uip-fw module must
* be set up with the appropriate network interfaces for this module
* to work.
*/
/**
* \file
* Module for splitting outbound TCP segments in two to avoid the
* delayed ACK throughput degradation.
* \author
* Adam Dunkels <adam@sics.se>
*
*/
#ifndef __UIP_SPLIT_H__
#define __UIP_SPLIT_H__
#include <string.h>
#include <uip.h>
#include "../../USBHostMode.h"
#include <LUFA/Drivers/USB/USB.h>
/**
* Handle outgoing packets.
*
* This function inspects an outgoing packet in the uip_buf buffer and
* sends it out using the uip_fw_output() function. If the packet is a
* full-sized TCP segment it will be split into two segments and
* transmitted separately. This function should be called instead of
* the actual device driver output function, or the uip_fw_output()
* function.
*
* The headers of the outgoing packet is assumed to be in the uip_buf
* buffer and the payload is assumed to be wherever uip_appdata
* points. The length of the outgoing packet is assumed to be in the
* uip_len variable.
*
*/
void uip_split_output(void);
void uip_add32(u8_t *op32, u16_t op16);
#endif /* __UIP_SPLIT_H__ */
/** @} */
/** @} */

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/**
* \addtogroup uip
* @{
*/
/**
* \defgroup uiparp uIP Address Resolution Protocol
* @{
*
* The Address Resolution Protocol ARP is used for mapping between IP
* addresses and link level addresses such as the Ethernet MAC
* addresses. ARP uses broadcast queries to ask for the link level
* address of a known IP address and the host which is configured with
* the IP address for which the query was meant, will respond with its
* link level address.
*
* \note This ARP implementation only supports Ethernet.
*/
/**
* \file
* Implementation of the ARP Address Resolution Protocol.
* \author Adam Dunkels <adam@dunkels.com>
*
*/
/*
* Copyright (c) 2001-2003, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack.
*
* $Id: uip_arp.c,v 1.5 2008/02/07 01:35:00 adamdunkels Exp $
*
*/
#include "uip_arp.h"
#include <string.h>
struct arp_hdr {
struct uip_eth_hdr ethhdr;
u16_t hwtype;
u16_t protocol;
u8_t hwlen;
u8_t protolen;
u16_t opcode;
struct uip_eth_addr shwaddr;
uip_ipaddr_t sipaddr;
struct uip_eth_addr dhwaddr;
uip_ipaddr_t dipaddr;
};
struct ethip_hdr {
struct uip_eth_hdr ethhdr;
/* IP header. */
u8_t vhl,
tos,
len[2],
ipid[2],
ipoffset[2],
ttl,
proto;
u16_t ipchksum;
uip_ipaddr_t srcipaddr, destipaddr;
};
#define ARP_REQUEST 1
#define ARP_REPLY 2
#define ARP_HWTYPE_ETH 1
struct arp_entry {
uip_ipaddr_t ipaddr;
struct uip_eth_addr ethaddr;
u8_t time;
};
static const struct uip_eth_addr broadcast_ethaddr =
{{0xff,0xff,0xff,0xff,0xff,0xff}};
static const u16_t broadcast_ipaddr[2] = {0xffff,0xffff};
static struct arp_entry arp_table[UIP_ARPTAB_SIZE];
static uip_ipaddr_t ipaddr;
static u8_t i, c;
static u8_t arptime;
static u8_t tmpage;
#define BUF ((struct arp_hdr *)&uip_buf[0])
#define IPBUF ((struct ethip_hdr *)&uip_buf[0])
#define DEBUG 0
#if DEBUG
#include <stdio.h>
#define PRINTF(...) printf(__VA_ARGS__)
#else
#define PRINTF(...)
#endif
/*-----------------------------------------------------------------------------------*/
/**
* Initialize the ARP module.
*
*/
/*-----------------------------------------------------------------------------------*/
void
uip_arp_init(void)
{
for(i = 0; i < UIP_ARPTAB_SIZE; ++i) {
memset(&arp_table[i].ipaddr, 0, 4);
}
}
/*-----------------------------------------------------------------------------------*/
/**
* Periodic ARP processing function.
*
* This function performs periodic timer processing in the ARP module
* and should be called at regular intervals. The recommended interval
* is 10 seconds between the calls.
*
*/
/*-----------------------------------------------------------------------------------*/
void
uip_arp_timer(void)
{
struct arp_entry *tabptr = NULL;
++arptime;
for(i = 0; i < UIP_ARPTAB_SIZE; ++i) {
tabptr = &arp_table[i];
if(uip_ipaddr_cmp(&tabptr->ipaddr, &uip_all_zeroes_addr) &&
arptime - tabptr->time >= UIP_ARP_MAXAGE) {
memset(&tabptr->ipaddr, 0, 4);
}
}
}
/*-----------------------------------------------------------------------------------*/
static void
uip_arp_update(uip_ipaddr_t *ipaddr, struct uip_eth_addr *ethaddr)
{
register struct arp_entry *tabptr = NULL;
/* Walk through the ARP mapping table and try to find an entry to
update. If none is found, the IP -> MAC address mapping is
inserted in the ARP table. */
for(i = 0; i < UIP_ARPTAB_SIZE; ++i) {
tabptr = &arp_table[i];
/* Only check those entries that are actually in use. */
if(!uip_ipaddr_cmp(&tabptr->ipaddr, &uip_all_zeroes_addr)) {
/* Check if the source IP address of the incoming packet matches
the IP address in this ARP table entry. */
if(uip_ipaddr_cmp(ipaddr, &tabptr->ipaddr)) {
/* An old entry found, update this and return. */
memcpy(tabptr->ethaddr.addr, ethaddr->addr, 6);
tabptr->time = arptime;
return;
}
}
}
/* If we get here, no existing ARP table entry was found, so we
create one. */
/* First, we try to find an unused entry in the ARP table. */
for(i = 0; i < UIP_ARPTAB_SIZE; ++i) {
tabptr = &arp_table[i];
if(uip_ipaddr_cmp(&tabptr->ipaddr, &uip_all_zeroes_addr)) {
break;
}
}
/* If no unused entry is found, we try to find the oldest entry and
throw it away. */
if(i == UIP_ARPTAB_SIZE) {
tmpage = 0;
c = 0;
for(i = 0; i < UIP_ARPTAB_SIZE; ++i) {
tabptr = &arp_table[i];
if(arptime - tabptr->time > tmpage) {
tmpage = arptime - tabptr->time;
c = i;
}
}
i = c;
tabptr = &arp_table[i];
}
/* Now, i is the ARP table entry which we will fill with the new
information. */
uip_ipaddr_copy(&tabptr->ipaddr, ipaddr);
memcpy(tabptr->ethaddr.addr, ethaddr->addr, 6);
tabptr->time = arptime;
}
/*-----------------------------------------------------------------------------------*/
/**
* ARP processing for incoming IP packets
*
* This function should be called by the device driver when an IP
* packet has been received. The function will check if the address is
* in the ARP cache, and if so the ARP cache entry will be
* refreshed. If no ARP cache entry was found, a new one is created.
*
* This function expects an IP packet with a prepended Ethernet header
* in the uip_buf[] buffer, and the length of the packet in the global
* variable uip_len.
*/
/*-----------------------------------------------------------------------------------*/
#if 0
void
uip_arp_ipin(void)
{
uip_len -= sizeof(struct uip_eth_hdr);
/* Only insert/update an entry if the source IP address of the
incoming IP packet comes from a host on the local network. */
if((IPBUF->srcipaddr[0] & uip_netmask[0]) !=
(uip_hostaddr[0] & uip_netmask[0])) {
return;
}
if((IPBUF->srcipaddr[1] & uip_netmask[1]) !=
(uip_hostaddr[1] & uip_netmask[1])) {
return;
}
uip_arp_update(IPBUF->srcipaddr, &(IPBUF->ethhdr.src));
return;
}
#endif /* 0 */
/*-----------------------------------------------------------------------------------*/
/**
* ARP processing for incoming ARP packets.
*
* This function should be called by the device driver when an ARP
* packet has been received. The function will act differently
* depending on the ARP packet type: if it is a reply for a request
* that we previously sent out, the ARP cache will be filled in with
* the values from the ARP reply. If the incoming ARP packet is an ARP
* request for our IP address, an ARP reply packet is created and put
* into the uip_buf[] buffer.
*
* When the function returns, the value of the global variable uip_len
* indicates whether the device driver should send out a packet or
* not. If uip_len is zero, no packet should be sent. If uip_len is
* non-zero, it contains the length of the outbound packet that is
* present in the uip_buf[] buffer.
*
* This function expects an ARP packet with a prepended Ethernet
* header in the uip_buf[] buffer, and the length of the packet in the
* global variable uip_len.
*/
/*-----------------------------------------------------------------------------------*/
void
uip_arp_arpin(void)
{
if(uip_len < sizeof(struct arp_hdr)) {
uip_len = 0;
return;
}
uip_len = 0;
switch(BUF->opcode) {
case HTONS(ARP_REQUEST):
/* ARP request. If it asked for our address, we send out a
reply. */
/* if(BUF->dipaddr[0] == uip_hostaddr[0] &&
BUF->dipaddr[1] == uip_hostaddr[1]) {*/
PRINTF("uip_arp_arpin: request for %d.%d.%d.%d (we are %d.%d.%d.%d)\n",
BUF->dipaddr.u8[0], BUF->dipaddr.u8[1],
BUF->dipaddr.u8[2], BUF->dipaddr.u8[3],
uip_hostaddr.u8[0], uip_hostaddr.u8[1],
uip_hostaddr.u8[2], uip_hostaddr.u8[3]);
if(uip_ipaddr_cmp(&BUF->dipaddr, &uip_hostaddr)) {
/* First, we register the one who made the request in our ARP
table, since it is likely that we will do more communication
with this host in the future. */
uip_arp_update(&BUF->sipaddr, &BUF->shwaddr);
BUF->opcode = HTONS(ARP_REPLY);
memcpy(BUF->dhwaddr.addr, BUF->shwaddr.addr, 6);
memcpy(BUF->shwaddr.addr, uip_ethaddr.addr, 6);
memcpy(BUF->ethhdr.src.addr, uip_ethaddr.addr, 6);
memcpy(BUF->ethhdr.dest.addr, BUF->dhwaddr.addr, 6);
uip_ipaddr_copy(&BUF->dipaddr, &BUF->sipaddr);
uip_ipaddr_copy(&BUF->sipaddr, &uip_hostaddr);
BUF->ethhdr.type = HTONS(UIP_ETHTYPE_ARP);
uip_len = sizeof(struct arp_hdr);
}
break;
case HTONS(ARP_REPLY):
/* ARP reply. We insert or update the ARP table if it was meant
for us. */
if(uip_ipaddr_cmp(&BUF->dipaddr, &uip_hostaddr)) {
uip_arp_update(&BUF->sipaddr, &BUF->shwaddr);
}
break;
}
return;
}
/*-----------------------------------------------------------------------------------*/
/**
* Prepend Ethernet header to an outbound IP packet and see if we need
* to send out an ARP request.
*
* This function should be called before sending out an IP packet. The
* function checks the destination IP address of the IP packet to see
* what Ethernet MAC address that should be used as a destination MAC
* address on the Ethernet.
*
* If the destination IP address is in the local network (determined
* by logical ANDing of netmask and our IP address), the function
* checks the ARP cache to see if an entry for the destination IP
* address is found. If so, an Ethernet header is prepended and the
* function returns. If no ARP cache entry is found for the
* destination IP address, the packet in the uip_buf[] is replaced by
* an ARP request packet for the IP address. The IP packet is dropped
* and it is assumed that they higher level protocols (e.g., TCP)
* eventually will retransmit the dropped packet.
*
* If the destination IP address is not on the local network, the IP
* address of the default router is used instead.
*
* When the function returns, a packet is present in the uip_buf[]
* buffer, and the length of the packet is in the global variable
* uip_len.
*/
/*-----------------------------------------------------------------------------------*/
void
uip_arp_out(void)
{
struct arp_entry *tabptr = NULL;
/* Find the destination IP address in the ARP table and construct
the Ethernet header. If the destination IP address isn't on the
local network, we use the default router's IP address instead.
If not ARP table entry is found, we overwrite the original IP
packet with an ARP request for the IP address. */
/* First check if destination is a local broadcast. */
if(uip_ipaddr_cmp(&IPBUF->destipaddr, &uip_broadcast_addr)) {
memcpy(IPBUF->ethhdr.dest.addr, broadcast_ethaddr.addr, 6);
} else {
/* Check if the destination address is on the local network. */
if(!uip_ipaddr_maskcmp(&IPBUF->destipaddr, &uip_hostaddr, &uip_netmask)) {
/* Destination address was not on the local network, so we need to
use the default router's IP address instead of the destination
address when determining the MAC address. */
uip_ipaddr_copy(&ipaddr, &uip_draddr);
} else {
/* Else, we use the destination IP address. */
uip_ipaddr_copy(&ipaddr, &IPBUF->destipaddr);
}
for(i = 0; i < UIP_ARPTAB_SIZE; ++i) {
tabptr = &arp_table[i];
if(uip_ipaddr_cmp(&ipaddr, &tabptr->ipaddr)) {
break;
}
}
if(i == UIP_ARPTAB_SIZE) {
/* The destination address was not in our ARP table, so we
overwrite the IP packet with an ARP request. */
memset(BUF->ethhdr.dest.addr, 0xff, 6);
memset(BUF->dhwaddr.addr, 0x00, 6);
memcpy(BUF->ethhdr.src.addr, uip_ethaddr.addr, 6);
memcpy(BUF->shwaddr.addr, uip_ethaddr.addr, 6);
uip_ipaddr_copy(&BUF->dipaddr, &ipaddr);
uip_ipaddr_copy(&BUF->sipaddr, &uip_hostaddr);
BUF->opcode = HTONS(ARP_REQUEST); /* ARP request. */
BUF->hwtype = HTONS(ARP_HWTYPE_ETH);
BUF->protocol = HTONS(UIP_ETHTYPE_IP);
BUF->hwlen = 6;
BUF->protolen = 4;
BUF->ethhdr.type = HTONS(UIP_ETHTYPE_ARP);
uip_appdata = &uip_buf[UIP_TCPIP_HLEN + UIP_LLH_LEN];
uip_len = sizeof(struct arp_hdr);
return;
}
/* Build an ethernet header. */
memcpy(IPBUF->ethhdr.dest.addr, tabptr->ethaddr.addr, 6);
}
memcpy(IPBUF->ethhdr.src.addr, uip_ethaddr.addr, 6);
IPBUF->ethhdr.type = HTONS(UIP_ETHTYPE_IP);
uip_len += sizeof(struct uip_eth_hdr);
}
/*-----------------------------------------------------------------------------------*/
/** @} */
/** @} */

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/**
* \addtogroup uip
* @{
*/
/**
* \addtogroup uiparp
* @{
*/
/**
* \file
* Macros and definitions for the ARP module.
* \author Adam Dunkels <adam@dunkels.com>
*/
/*
* Copyright (c) 2001-2003, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack.
*
* $Id: uip_arp.h,v 1.2 2006/08/26 23:58:45 oliverschmidt Exp $
*
*/
#ifndef __UIP_ARP_H__
#define __UIP_ARP_H__
#include "uip.h"
extern struct uip_eth_addr uip_ethaddr;
/**
* The Ethernet header.
*/
struct uip_eth_hdr {
struct uip_eth_addr dest;
struct uip_eth_addr src;
u16_t type;
};
#define UIP_ETHTYPE_ARP 0x0806
#define UIP_ETHTYPE_IP 0x0800
#define UIP_ETHTYPE_IPV6 0x86dd
/* The uip_arp_init() function must be called before any of the other
ARP functions. */
void uip_arp_init(void);
/* The uip_arp_ipin() function should be called whenever an IP packet
arrives from the Ethernet. This function refreshes the ARP table or
inserts a new mapping if none exists. The function assumes that an
IP packet with an Ethernet header is present in the uip_buf buffer
and that the length of the packet is in the uip_len variable. */
/*void uip_arp_ipin(void);*/
#define uip_arp_ipin()
/* The uip_arp_arpin() should be called when an ARP packet is received
by the Ethernet driver. This function also assumes that the
Ethernet frame is present in the uip_buf buffer. When the
uip_arp_arpin() function returns, the contents of the uip_buf
buffer should be sent out on the Ethernet if the uip_len variable
is > 0. */
void uip_arp_arpin(void);
/* The uip_arp_out() function should be called when an IP packet
should be sent out on the Ethernet. This function creates an
Ethernet header before the IP header in the uip_buf buffer. The
Ethernet header will have the correct Ethernet MAC destination
address filled in if an ARP table entry for the destination IP
address (or the IP address of the default router) is present. If no
such table entry is found, the IP packet is overwritten with an ARP
request and we rely on TCP to retransmit the packet that was
overwritten. In any case, the uip_len variable holds the length of
the Ethernet frame that should be transmitted. */
void uip_arp_out(void);
/* The uip_arp_timer() function should be called every ten seconds. It
is responsible for flushing old entries in the ARP table. */
void uip_arp_timer(void);
/** @} */
/**
* \addtogroup uipconffunc
* @{
*/
/**
* Specifiy the Ethernet MAC address.
*
* The ARP code needs to know the MAC address of the Ethernet card in
* order to be able to respond to ARP queries and to generate working
* Ethernet headers.
*
* \note This macro only specifies the Ethernet MAC address to the ARP
* code. It cannot be used to change the MAC address of the Ethernet
* card.
*
* \param eaddr A pointer to a struct uip_eth_addr containing the
* Ethernet MAC address of the Ethernet card.
*
* \hideinitializer
*/
#define uip_setethaddr(eaddr) do {uip_ethaddr.addr[0] = eaddr.addr[0]; \
uip_ethaddr.addr[1] = eaddr.addr[1];\
uip_ethaddr.addr[2] = eaddr.addr[2];\
uip_ethaddr.addr[3] = eaddr.addr[3];\
uip_ethaddr.addr[4] = eaddr.addr[4];\
uip_ethaddr.addr[5] = eaddr.addr[5];} while(0)
/** @} */
#endif /* __UIP_ARP_H__ */
/** @} */

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/**
* \addtogroup uip
* @{
*/
/**
* \defgroup uipopt Configuration options for uIP
* @{
*
* uIP is configured using the per-project configuration file
* "uipopt.h". This file contains all compile-time options for uIP and
* should be tweaked to match each specific project. The uIP
* distribution contains a documented example "uipopt.h" that can be
* copied and modified for each project.
*/
/**
* \file
* Configuration options for uIP.
* \author Adam Dunkels <adam@dunkels.com>
*
* This file is used for tweaking various configuration options for
* uIP. You should make a copy of this file into one of your project's
* directories instead of editing this example "uipopt.h" file that
* comes with the uIP distribution.
*/
/*
* Copyright (c) 2001-2003, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This file is part of the uIP TCP/IP stack.
*
* $Id: uipopt.h,v 1.11 2009/04/10 00:37:48 adamdunkels Exp $
*
*/
#ifndef __UIPOPT_H__
#define __UIPOPT_H__
#include "Config/AppConfig.h"
#ifndef UIP_LITTLE_ENDIAN
#define UIP_LITTLE_ENDIAN 3412
#endif /* UIP_LITTLE_ENDIAN */
#ifndef UIP_BIG_ENDIAN
#define UIP_BIG_ENDIAN 1234
#endif /* UIP_BIG_ENDIAN */
/*------------------------------------------------------------------------------*/
/**
* \defgroup uipoptstaticconf Static configuration options
* @{
*
* These configuration options can be used for setting the IP address
* settings statically, but only if UIP_FIXEDADDR is set to 1. The
* configuration options for a specific node includes IP address,
* netmask and default router as well as the Ethernet address. The
* netmask, default router and Ethernet address are applicable only
* if uIP should be run over Ethernet.
*
* This options are meaningful only for the IPv4 code.
*
* All of these should be changed to suit your project.
*/
/**
* Determines if uIP should use a fixed IP address or not.
*
* If uIP should use a fixed IP address, the settings are set in the
* uipopt.h file. If not, the macros uip_sethostaddr(),
* uip_setdraddr() and uip_setnetmask() should be used instead.
*
* \hideinitializer
*/
#define UIP_FIXEDADDR 0
/**
* Ping IP address assignment.
*
* uIP uses a "ping" packets for setting its own IP address if this
* option is set. If so, uIP will start with an empty IP address and
* the destination IP address of the first incoming "ping" (ICMP echo)
* packet will be used for setting the hosts IP address.
*
* \note This works only if UIP_FIXEDADDR is 0.
*
* \hideinitializer
*/
#ifdef UIP_CONF_PINGADDRCONF
#define UIP_PINGADDRCONF UIP_CONF_PINGADDRCONF
#else /* UIP_CONF_PINGADDRCONF */
#define UIP_PINGADDRCONF 0
#endif /* UIP_CONF_PINGADDRCONF */
/**
* Specifies if the uIP ARP module should be compiled with a fixed
* Ethernet MAC address or not.
*
* If this configuration option is 0, the macro uip_setethaddr() can
* be used to specify the Ethernet address at run-time.
*
* \hideinitializer
*/
#define UIP_FIXEDETHADDR 0
/** @} */
/*------------------------------------------------------------------------------*/
/**
* \defgroup uipoptip IP configuration options
* @{
*
*/
/**
* The IP TTL (time to live) of IP packets sent by uIP.
*
* This should normally not be changed.
*/
#define UIP_TTL 64
/**
* The maximum time an IP fragment should wait in the reassembly
* buffer before it is dropped.
*
*/
#define UIP_REASS_MAXAGE 60 /*60s*/
/**
* Turn on support for IP packet reassembly.
*
* uIP supports reassembly of fragmented IP packets. This features
* requires an additional amount of RAM to hold the reassembly buffer
* and the reassembly code size is approximately 700 bytes. The
* reassembly buffer is of the same size as the uip_buf buffer
* (configured by UIP_BUFSIZE).
*
* \note IP packet reassembly is not heavily tested.
*
* \hideinitializer
*/
#ifdef UIP_CONF_REASSEMBLY
#define UIP_REASSEMBLY UIP_CONF_REASSEMBLY
#else /* UIP_CONF_REASSEMBLY */
#define UIP_REASSEMBLY 0
#endif /* UIP_CONF_REASSEMBLY */
/** @} */
/*------------------------------------------------------------------------------*/
/**
* \defgroup uipoptipv6 IPv6 configuration options
* @{
*
*/
/** The maximum transmission unit at the IP Layer*/
#define UIP_LINK_MTU 1280
#ifndef UIP_CONF_IPV6
/** Do we use IPv6 or not (default: no) */
#define UIP_CONF_IPV6 0
#endif
#ifndef UIP_CONF_IPV6_QUEUE_PKT
/** Do we do per %neighbor queuing during address resolution (default: no) */
#define UIP_CONF_IPV6_QUEUE_PKT 0
#endif
#ifndef UIP_CONF_IPV6_CHECKS
/** Do we do IPv6 consistency checks (highly recommended, default: yes) */
#define UIP_CONF_IPV6_CHECKS 1
#endif
#ifndef UIP_CONF_IPV6_REASSEMBLY
/** Do we do IPv6 fragmentation (default: no) */
#define UIP_CONF_IPV6_REASSEMBLY 0
#endif
#ifndef UIP_CONF_NETIF_MAX_ADDRESSES
/** Default number of IPv6 addresses associated to the node's interface */
#define UIP_CONF_NETIF_MAX_ADDRESSES 3
#endif
#ifndef UIP_CONF_ND6_MAX_PREFIXES
/** Default number of IPv6 prefixes associated to the node's interface */
#define UIP_CONF_ND6_MAX_PREFIXES 3
#endif
#ifndef UIP_CONF_ND6_MAX_NEIGHBORS
/** Default number of neighbors that can be stored in the %neighbor cache */
#define UIP_CONF_ND6_MAX_NEIGHBORS 4
#endif
#ifndef UIP_CONF_ND6_MAX_DEFROUTERS
/** Minimum number of default routers */
#define UIP_CONF_ND6_MAX_DEFROUTERS 2
#endif
/** @} */
/*------------------------------------------------------------------------------*/
/**
* \defgroup uipoptudp UDP configuration options
* @{
*
* \note The UDP support in uIP is still not entirely complete; there
* is no support for sending or receiving broadcast or multicast
* packets, but it works well enough to support a number of vital
* applications such as DNS queries, though
*/
/**
* Toggles whether UDP support should be compiled in or not.
*
* \hideinitializer
*/
#ifdef UIP_CONF_UDP
#define UIP_UDP UIP_CONF_UDP
#else /* UIP_CONF_UDP */
#define UIP_UDP 1
#endif /* UIP_CONF_UDP */
/**
* Toggles if UDP checksums should be used or not.
*
* \note Support for UDP checksums is currently not included in uIP,
* so this option has no function.
*
* \hideinitializer
*/
#ifdef UIP_CONF_UDP_CHECKSUMS
#define UIP_UDP_CHECKSUMS UIP_CONF_UDP_CHECKSUMS
#else
#define UIP_UDP_CHECKSUMS 0
#endif
/**
* The maximum amount of concurrent UDP connections.
*
* \hideinitializer
*/
#ifdef UIP_CONF_UDP_CONNS
#define UIP_UDP_CONNS UIP_CONF_UDP_CONNS
#else /* UIP_CONF_UDP_CONNS */
#define UIP_UDP_CONNS 10
#endif /* UIP_CONF_UDP_CONNS */
/**
* The name of the function that should be called when UDP datagrams arrive.
*
* \hideinitializer
*/
/** @} */
/*------------------------------------------------------------------------------*/
/**
* \defgroup uipopttcp TCP configuration options
* @{
*/
/**
* Toggles whether TCP support should be compiled in or not.
*
* \hideinitializer
*/
#ifdef UIP_CONF_TCP
#define UIP_TCP UIP_CONF_TCP
#else /* UIP_CONF_TCP */
#define UIP_TCP 1
#endif /* UIP_CONF_TCP */
/**
* Determines if support for opening connections from uIP should be
* compiled in.
*
* If the applications that are running on top of uIP for this project
* do not need to open outgoing TCP connections, this configuration
* option can be turned off to reduce the code size of uIP.
*
* \hideinitializer
*/
#ifndef UIP_CONF_ACTIVE_OPEN
#define UIP_ACTIVE_OPEN 1
#else /* UIP_CONF_ACTIVE_OPEN */
#define UIP_ACTIVE_OPEN UIP_CONF_ACTIVE_OPEN
#endif /* UIP_CONF_ACTIVE_OPEN */
/**
* The maximum number of simultaneously open TCP connections.
*
* Since the TCP connections are statically allocated, turning this
* configuration knob down results in less RAM used. Each TCP
* connection requires approximately 30 bytes of memory.
*
* \hideinitializer
*/
#ifndef UIP_CONF_MAX_CONNECTIONS
#define UIP_CONNS 10
#else /* UIP_CONF_MAX_CONNECTIONS */
#define UIP_CONNS UIP_CONF_MAX_CONNECTIONS
#endif /* UIP_CONF_MAX_CONNECTIONS */
/**
* The maximum number of simultaneously listening TCP ports.
*
* Each listening TCP port requires 2 bytes of memory.
*
* \hideinitializer
*/
#ifndef UIP_CONF_MAX_LISTENPORTS
#define UIP_LISTENPORTS 20
#else /* UIP_CONF_MAX_LISTENPORTS */
#define UIP_LISTENPORTS UIP_CONF_MAX_LISTENPORTS
#endif /* UIP_CONF_MAX_LISTENPORTS */
/**
* Determines if support for TCP urgent data notification should be
* compiled in.
*
* Urgent data (out-of-band data) is a rarely used TCP feature that
* very seldom would be required.
*
* \hideinitializer
*/
#if !defined(UIP_URGDATA)
#define UIP_URGDATA 0
#endif
/**
* The initial retransmission timeout counted in timer pulses.
*
* This should not be changed.
*/
#if !defined(UIP_RTO)
#define UIP_RTO 3
#endif
/**
* The maximum number of times a segment should be retransmitted
* before the connection should be aborted.
*
* This should not be changed.
*/
#if !defined(UIP_MAXRTX)
#define UIP_MAXRTX 8
#endif
/**
* The maximum number of times a SYN segment should be retransmitted
* before a connection request should be deemed to have been
* unsuccessful.
*
* This should not need to be changed.
*/
#if !defined(UIP_MAXSYNRTX)
#define UIP_MAXSYNRTX 5
#endif
/**
* The TCP maximum segment size.
*
* This is should not be to set to more than
* UIP_BUFSIZE - UIP_LLH_LEN - UIP_TCPIP_HLEN.
*/
#ifdef UIP_CONF_TCP_MSS
#define UIP_TCP_MSS UIP_CONF_TCP_MSS
#else
#define UIP_TCP_MSS (UIP_BUFSIZE - UIP_LLH_LEN - UIP_TCPIP_HLEN)
#endif
/**
* The size of the advertised receiver's window.
*
* Should be set low (i.e., to the size of the uip_buf buffer) if the
* application is slow to process incoming data, or high (32768 bytes)
* if the application processes data quickly.
*
* \hideinitializer
*/
#ifndef UIP_CONF_RECEIVE_WINDOW
#define UIP_RECEIVE_WINDOW UIP_TCP_MSS
#else
#define UIP_RECEIVE_WINDOW UIP_CONF_RECEIVE_WINDOW
#endif
/**
* How long a connection should stay in the TIME_WAIT state.
*
* This configuration option has no real implication, and it should be
* left untouched.
*/
#define UIP_TIME_WAIT_TIMEOUT 120
/** @} */
/*------------------------------------------------------------------------------*/
/**
* \defgroup uipoptarp ARP configuration options
* @{
*/
/**
* The size of the ARP table.
*
* This option should be set to a larger value if this uIP node will
* have many connections from the local network.
*
* \hideinitializer
*/
#ifdef UIP_CONF_ARPTAB_SIZE
#define UIP_ARPTAB_SIZE UIP_CONF_ARPTAB_SIZE
#else
#define UIP_ARPTAB_SIZE 8
#endif
/**
* The maximum age of ARP table entries measured in 10ths of seconds.
*
* An UIP_ARP_MAXAGE of 120 corresponds to 20 minutes (BSD
* default).
*/
#define UIP_ARP_MAXAGE 120
/** @} */
/*------------------------------------------------------------------------------*/
/**
* \defgroup uipoptmac layer 2 options (for ipv6)
* @{
*/
#define UIP_DEFAULT_PREFIX_LEN 64
/** @} */
/*------------------------------------------------------------------------------*/
/**
* \defgroup uipoptsics 6lowpan options (for ipv6)
* @{
*/
/**
* Timeout for packet reassembly at the 6lowpan layer
* (should be < 60s)
*/
#ifdef SICSLOWPAN_CONF_MAXAGE
#define SICSLOWPAN_REASS_MAXAGE SICSLOWPAN_CONF_MAXAGE
#else
#define SICSLOWPAN_REASS_MAXAGE 20
#endif
/**
* Do we compress the IP header or not (default: no)
*/
#ifndef SICSLOWPAN_CONF_COMPRESSION
#define SICSLOWPAN_CONF_COMPRESSION 0
#endif
/**
* If we use IPHC compression, how many address contexts do we support
*/
#ifndef SICSLOWPAN_CONF_MAX_ADDR_CONTEXTS
#define SICSLOWPAN_CONF_MAX_ADDR_CONTEXTS 1
#endif
/**
* Do we support 6lowpan fragmentation
*/
#ifndef SICSLOWPAN_CONF_FRAG
#define SICSLOWPAN_CONF_FRAG 0
#endif
/** @} */
/*------------------------------------------------------------------------------*/
/**
* \defgroup uipoptgeneral General configuration options
* @{
*/
/**
* The size of the uIP packet buffer.
*
* The uIP packet buffer should not be smaller than 60 bytes, and does
* not need to be larger than 1514 bytes. Lower size results in lower
* TCP throughput, larger size results in higher TCP throughput.
*
* \hideinitializer
*/
#ifndef UIP_CONF_BUFFER_SIZE
#define UIP_BUFSIZE UIP_LINK_MTU + UIP_LLH_LEN
#else /* UIP_CONF_BUFFER_SIZE */
#define UIP_BUFSIZE UIP_CONF_BUFFER_SIZE
#endif /* UIP_CONF_BUFFER_SIZE */
/**
* Determines if statistics support should be compiled in.
*
* The statistics is useful for debugging and to show the user.
*
* \hideinitializer
*/
#ifndef UIP_CONF_STATISTICS
#define UIP_STATISTICS 0
#else /* UIP_CONF_STATISTICS */
#define UIP_STATISTICS UIP_CONF_STATISTICS
#endif /* UIP_CONF_STATISTICS */
/**
* Determines if logging of certain events should be compiled in.
*
* This is useful mostly for debugging. The function uip_log()
* must be implemented to suit the architecture of the project, if
* logging is turned on.
*
* \hideinitializer
*/
#ifndef UIP_CONF_LOGGING
#define UIP_LOGGING 0
#else /* UIP_CONF_LOGGING */
#define UIP_LOGGING UIP_CONF_LOGGING
#endif /* UIP_CONF_LOGGING */
/**
* Broadcast support.
*
* This flag configures IP broadcast support. This is useful only
* together with UDP.
*
* \hideinitializer
*
*/
#ifndef UIP_CONF_BROADCAST
#define UIP_BROADCAST 0
#else /* UIP_CONF_BROADCAST */
#define UIP_BROADCAST UIP_CONF_BROADCAST
#endif /* UIP_CONF_BROADCAST */
/**
* Print out a uIP log message.
*
* This function must be implemented by the module that uses uIP, and
* is called by uIP whenever a log message is generated.
*/
void uip_log(char *msg);
/**
* The link level header length.
*
* This is the offset into the uip_buf where the IP header can be
* found. For Ethernet, this should be set to 14. For SLIP, this
* should be set to 0.
*
* \note we probably won't use this constant for other link layers than
* ethernet as they have variable header length (this is due to variable
* number and type of address fields and to optional security features)
* E.g.: 802.15.4 -> 2 + (1/2*4/8) + 0/5/6/10/14
* 802.11 -> 4 + (6*3/4) + 2
* \hideinitializer
*/
#ifdef UIP_CONF_LLH_LEN
#define UIP_LLH_LEN UIP_CONF_LLH_LEN
#else /* UIP_LLH_LEN */
#define UIP_LLH_LEN 14
#endif /* UIP_CONF_LLH_LEN */
/** @} */
/*------------------------------------------------------------------------------*/
/**
* \defgroup uipoptcpu CPU architecture configuration
* @{
*
* The CPU architecture configuration is where the endianess of the
* CPU on which uIP is to be run is specified. Most CPUs today are
* little endian, and the most notable exception are the Motorolas
* which are big endian. The BYTE_ORDER macro should be changed to
* reflect the CPU architecture on which uIP is to be run.
*/
/**
* The byte order of the CPU architecture on which uIP is to be run.
*
* This option can be either UIP_BIG_ENDIAN (Motorola byte order) or
* UIP_LITTLE_ENDIAN (Intel byte order).
*
* \hideinitializer
*/
#ifdef UIP_CONF_BYTE_ORDER
#define UIP_BYTE_ORDER UIP_CONF_BYTE_ORDER
#else /* UIP_CONF_BYTE_ORDER */
#define UIP_BYTE_ORDER UIP_LITTLE_ENDIAN
#endif /* UIP_CONF_BYTE_ORDER */
/** @} */
/*------------------------------------------------------------------------------*/
#include <ff.h>
#include <stdbool.h>
#include <stdint.h>
#include "timer.h"
typedef uint8_t u8_t;
typedef uint16_t u16_t;
typedef uint32_t u32_t;
typedef uint32_t uip_stats_t;
/**
* \defgroup uipoptapp Application specific configurations
* @{
*
* An uIP application is implemented using a single application
* function that is called by uIP whenever a TCP/IP event occurs. The
* name of this function must be registered with uIP at compile time
* using the UIP_APPCALL definition.
*
* uIP applications can store the application state within the
* uip_conn structure by specifying the type of the application
* structure by typedef:ing the type uip_tcp_appstate_t and uip_udp_appstate_t.
*
* The file containing the definitions must be included in the
* uipopt.h file.
*
* The following example illustrates how this can look.
\code
void httpd_appcall(void);
#define UIP_APPCALL httpd_appcall
struct httpd_state {
u8_t state;
u16_t count;
char *dataptr;
char *script;
};
typedef struct httpd_state uip_tcp_appstate_t
\endcode
*/
#define UIP_UDP_APPCALL uIPManagement_UDPCallback
void UIP_UDP_APPCALL(void);
/**
* \var #define UIP_APPCALL
*
* The name of the application function that uIP should call in
* response to TCP/IP events.
*
*/
#define UIP_APPCALL uIPManagement_TCPCallback
void UIP_APPCALL(void);
/**
* \var typedef uip_tcp_appstate_t
*
* The type of the application state that is to be stored in the
* uip_conn structure. This usually is typedef:ed to a struct holding
* application state information.
*/
typedef union
{
struct
{
uint8_t CurrentState;
uint8_t NextState;
char FileName[MAX_URI_LENGTH];
FIL FileHandle;
bool FileOpen;
uint32_t ACKedFilePos;
uint16_t SentChunkSize;
} HTTPServer;
struct
{
uint8_t CurrentState;
uint8_t NextState;
uint8_t IssuedCommand;
} TELNETServer;
} uip_tcp_appstate_t;
/**
* \var typedef uip_udp_appstate_t
*
* The type of the application state that is to be stored in the
* uip_conn structure. This usually is typedef:ed to a struct holding
* application state information.
*/
typedef union
{
struct
{
uint8_t CurrentState;
struct timer Timeout;
struct
{
uint8_t AllocatedIP[4];
uint8_t Netmask[4];
uint8_t GatewayIP[4];
uint8_t ServerIP[4];
} DHCPOffer_Data;
} DHCPClient;
} uip_udp_appstate_t;
/** @} */
#endif /* __UIPOPT_H__ */
/** @} */
/** @} */