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/*****************************************************************************
*
* \file
*
* \brief lwIP configuration.
*
* Copyright (c) 2010-2012 Atmel Corporation. All rights reserved.
*
* \asf_license_start
*
* \page License
*
* 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 Atmel may not be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 4. This software may only be redistributed and used in connection with an
* Atmel microcontroller product.
*
* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL 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.
*
* \asf_license_stop
*
*****************************************************************************/
#ifndef __LWIPOPTS_H__
#define __LWIPOPTS_H__
/* Include user defined options first */
#include "WMath.h"
/* Uncomment the following line to enable LWIP debugging */
//#define LWIP_DEBUG
/* ---------- System options ---------- */
/* Specify NO_SYS because we are not using an RTOS */
#define NO_SYS 1
#define LWIP_RAW 0
/* Network interface options */
#define LWIP_NETIF_HOSTNAME 1
#define LWIP_NETIF_STATUS_CALLBACK 1
/* These are not available when using "NO_SYS" */
#define LWIP_NETCONN 0
#define LWIP_SOCKET 0
/* ---------- Memory options ---------- */
/* These two control is reclaimer functions should be compiled
in. Should always be turned on (1). */
#define MEM_RECLAIM 1
#define MEMP_RECLAIM 1
/* MEM_ALIGNMENT: should be set to the alignment of the CPU for which
lwIP is compiled. 4 byte alignment -> define MEM_ALIGNMENT to 4, 2
byte alignment -> define MEM_ALIGNMENT to 2. */
#define MEM_ALIGNMENT 4
/* MEM_SIZE: the size of the heap memory. If the application will send
a lot of data that needs to be copied, this should be set high. */
#define MEM_SIZE 1024
/* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application
sends a lot of data out of ROM (or other static memory), this
should be set high. */
#define MEMP_NUM_PBUF 4
/* Number of raw connection PCBs */
#define MEMP_NUM_RAW_PCB 0
/* --------- IGMP options ---------- */
#define LWIP_IGMP 1
#ifdef __SAM3X8E__
# define LWIP_RAND trueRandom
#else
# define LWIP_RAND random
#endif
#define SO_REUSE 1
/* ---------- DNS options ---------- */
#define LWIP_DNS 1
#define DNS_MAX_NAME_LENGTH 64
#define DNS_LOCAL_HOSTLIST_IS_DYNAMIC 1
/* ---------- UDP options ---------- */
#define LWIP_UDP 1
#define UDP_TTL 255
/* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
per active UDP "connection". */
#define MEMP_NUM_UDP_PCB 5
/* MEMP_NUM_TCP_PCB: the number of simultaneously active TCP connections. */
#define MEMP_NUM_TCP_PCB 16
/* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP connections. */
#define MEMP_NUM_TCP_PCB_LISTEN 4
/* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP segments. */
#define MEMP_NUM_TCP_SEG 16
/* MEMP_NUM_REASSDATA: the number of IP packets simultaneously queued for
* reassembly (whole packets, not fragments!) */
#define MEMP_NUM_REASSDATA 2
/* MEMP_NUM_FRAG_PBUF: the number of IP fragments simultaneously sent
* (fragments, not whole packets!). */
#define MEMP_NUM_FRAG_PBUF 8
/* MEMP_NUM_SYS_TIMEOUT: the number of simultaneously active timeouts. */
#define MEMP_NUM_SYS_TIMEOUT 8
/* The following four are used only with the sequential API and can be
set to 0 if the application only will use the raw API. */
/* MEMP_NUM_NETBUF: the number of struct netbufs. */
#define MEMP_NUM_NETBUF 0
/* MEMP_NUM_NETCONN: the number of struct netconns. */
#define MEMP_NUM_NETCONN 0
/* ---------- Pbuf options ---------- */
/* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */
#define PBUF_POOL_SIZE 5
/* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool.
* DO NOT DEFINE IT HERE, the correct value needs to be calculated from TCP_MSS. */
/**
* IP_REASS_MAX_PBUFS: Total maximum amount of pbufs waiting to be reassembled.
* Since the received pbufs are enqueued, be sure to configure
* PBUF_POOL_SIZE > IP_REASS_MAX_PBUFS so that the stack is still able to receive
* packets even if the maximum amount of fragments is enqueued for reassembly!
*/
#define IP_REASS_MAX_PBUFS 3
/**
* IP_SOF_BROADCAST=1: Use the SOF_BROADCAST field to enable broadcast
* filter per pcb on udp and raw send operations. To enable broadcast filter
* on recv operations, you also have to set IP_SOF_BROADCAST_RECV=1.
*/
#define IP_SOF_BROADCAST 1
/** ETH_PAD_SIZE: number of bytes added before the ethernet header to ensure
* alignment of payload after that header. Since the header is 14 bytes long,
* without this padding e.g. addresses in the IP header will not be aligned
* on a 32-bit boundary, so setting this to 2 can speed up 32-bit-platforms.
*/
#define ETH_PAD_SIZE 2
/* PBUF_LINK_HLEN: the number of bytes that should be allocated for a
link level header. */
#define PBUF_LINK_HLEN (16 + ETH_PAD_SIZE)
/* ---------- TCP options ---------- */
#define LWIP_TCP 1
#define TCP_TTL 255
/* Controls if TCP should queue segments that arrive out of
order. Define to 0 if your device is low on memory. */
#define TCP_QUEUE_OOSEQ 1
/* TCP Maximum segment size. */
#define TCP_MSS 1460
/* TCP receive window. */
#define TCP_WND (2 * TCP_MSS)
/* TCP sender buffer space (bytes). */
#define TCP_SND_BUF (2 * TCP_MSS)
/* TCP sender buffer space (pbufs). This must be at least = 2 * TCP_SND_BUF/TCP_MSS for things to work. */
#define TCP_SND_QUEUELEN (3 * TCP_SND_BUF / TCP_MSS)
/* Maximum number of retransmissions of data segments. */
#define TCP_MAXRTX 8
/* Maximum number of retransmissions of SYN segments. */
#define TCP_SYNMAXRTX 4
/* How frequently are the timer tasks called (in ms)? */
#define TCP_TMR_INTERVAL 125
/* ---------- ARP options ---------- */
#define ARP_TABLE_SIZE 16
#define ARP_QUEUEING 0
/* ---------- IP options ---------- */
/* Define IP_FORWARD to 1 if you wish to have the ability to forward
IP packets across network interfaces. If you are going to run lwIP
on a device with only one network interface, define this to 0. */
#define IP_FORWARD 0
/* If defined to 1, IP options are allowed (but not parsed). If
defined to 0, all packets with IP options are dropped. */
#define IP_OPTIONS 1
/* ---------- ICMP options ---------- */
#define ICMP_TTL 255
/* ---------- DHCP options ---------- */
/* Define LWIP_DHCP to 1 if you want DHCP configuration of
interfaces. DHCP is not implemented in lwIP 0.5.1, however, so
turning this on does currently not work. */
#define LWIP_DHCP 1
/* 1 if you want to do an ARP check on the offered address
(recommended). */
#define DHCP_DOES_ARP_CHECK 1
/* ---------- Statistics options ---------- */
#define LWIP_STATS 1
#define LWIP_STATS_DISPLAY 1
/* ---------- Lwip Debug options ---------- */
/* Define default values for unconfigured parameters. */
// 1 == To suppress some errors for now (no debug output)
#define LWIP_NOASSERT 0
#ifdef LWIP_DEBUG
#define DHCP_DEBUG LWIP_DBG_ON
#define ETHARP_DEBUG LWIP_DBG_ON
#define NETIF_DEBUG LWIP_DBG_ON
#define PBUF_DEBUG LWIP_DBG_ON
#define API_LIB_DEBUG LWIP_DBG_ON
#define API_MSG_DEBUG LWIP_DBG_ON
#define SOCKETS_DEBUG LWIP_DBG_ON
#define ICMP_DEBUG LWIP_DBG_ON
#define INET_DEBUG LWIP_DBG_ON
#define IP_DEBUG LWIP_DBG_ON
#define IP_REASS_DEBUG LWIP_DBG_ON
#define RAW_DEBUG LWIP_DBG_ON
#define MEM_DEBUG LWIP_DBG_ON
#define MEMP_DEBUG LWIP_DBG_ON
#define SYS_DEBUG LWIP_DBG_ON
#define TCP_DEBUG LWIP_DBG_ON
#define TCP_INPUT_DEBUG LWIP_DBG_ON
#define TCP_FR_DEBUG LWIP_DBG_ON
#define TCP_RTO_DEBUG LWIP_DBG_ON
#define TCP_CWND_DEBUG LWIP_DBG_ON
#define TCP_WND_DEBUG LWIP_DBG_ON
#define TCP_OUTPUT_DEBUG LWIP_DBG_ON
#define TCP_RST_DEBUG LWIP_DBG_ON
#define TCP_QLEN_DEBUG LWIP_DBG_ON
#define UDP_DEBUG LWIP_DBG_ON
#define TCPIP_DEBUG LWIP_DBG_ON
#define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_ALL
#else
#define DHCP_DEBUG LWIP_DBG_OFF
#define ETHARP_DEBUG LWIP_DBG_ON
#define NETIF_DEBUG LWIP_DBG_ON
#define PBUF_DEBUG LWIP_DBG_ON
#define API_LIB_DEBUG LWIP_DBG_ON
#define API_MSG_DEBUG LWIP_DBG_ON
#define SOCKETS_DEBUG LWIP_DBG_ON
#define ICMP_DEBUG LWIP_DBG_ON
#define INET_DEBUG LWIP_DBG_ON
#define IP_DEBUG LWIP_DBG_ON
#define IP_REASS_DEBUG LWIP_DBG_OFF
#define RAW_DEBUG LWIP_DBG_OFF
#define MEM_DEBUG LWIP_DBG_OFF
#define MEMP_DEBUG LWIP_DBG_OFF
#define SYS_DEBUG LWIP_DBG_ON
#define TCP_DEBUG LWIP_DBG_OFF
#define TCP_INPUT_DEBUG LWIP_DBG_OFF
#define TCP_FR_DEBUG LWIP_DBG_OFF
#define TCP_RTO_DEBUG LWIP_DBG_OFF
#define TCP_CWND_DEBUG LWIP_DBG_OFF
#define TCP_WND_DEBUG LWIP_DBG_OFF
#define TCP_OUTPUT_DEBUG LWIP_DBG_OFF
#define TCP_RST_DEBUG LWIP_DBG_OFF
#define TCP_QLEN_DEBUG LWIP_DBG_OFF
#define UDP_DEBUG LWIP_DBG_OFF
#define TCPIP_DEBUG LWIP_DBG_OFF
#define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_SERIOUS
#endif
// \note For a list of all possible lwIP configurations, check http://lwip.wikia.com/wiki/Lwipopts.h
#endif /* __LWIPOPTS_H__ */
// vim: ts=4:sw=4
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