/***************************************************************************** * * \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 "conf_eth.h" #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 #define LWIP_RAND trueRandom #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