/**************************************************************************** * uipopt.h * Configuration options for uIP. * * 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. * * 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. * * Note: Most of the configuration options in the uipopt.h should not * be changed, but rather the per-project defconfig file. * * Copyright (C) 2007 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * This logic was leveraged from uIP which also has a BSD-style license: * * Author: Adam Dunkels * 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. * ****************************************************************************/ #ifndef __UIPOPT_H__ #define __UIPOPT_H__ /**************************************************************************** * Included Files ****************************************************************************/ #include #include /**************************************************************************** * Public Definitions ****************************************************************************/ /**************************************************************************** * Public Type Definitions ****************************************************************************/ /* 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 /* Turn on support for IP packet reassembly. * * uIP supports reassembly of fragmented IP packets. This features * requires an additonal 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 d_buf buffer * (configured by CONFIG_NET_BUFSIZE). * * Note: IP packet reassembly is not heavily tested. */ #define UIP_REASSEMBLY 0 /* The maximum time an IP fragment should wait in the reassembly * buffer before it is dropped. Units are deci-seconds, the range * of the timer is 8-bits. */ #define UIP_REASS_MAXAGE (20*10) /* 20 seconds */ /* ICMP configuration options */ #if !defined(CONFIG_NET_ICMP) || defined(CONFIG_DISABLE_CLOCK) # undef CONFIG_NET_ICMP_PING #endif /* UDP configuration options */ /* The maximum amount of concurrent UDP connection, Default: 10 */ #ifndef CONFIG_NET_UDP_CONNS # ifdef CONFIG_NET_UDP # define CONFIG_NET_UDP_CONNS 10 # else # define CONFIG_NET_UDP_CONNS 0 # endif #endif /* The UDP maximum packet size. This is should not be to set to more * than CONFIG_NET_BUFSIZE - UIP_LLH_LEN - UIP_IPUDPH_LEN. */ #define UIP_UDP_MSS (CONFIG_NET_BUFSIZE - UIP_LLH_LEN - UIP_IPUDPH_LEN) /* TCP configuration options */ /* 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 approximatly 30 bytes of memory. */ #ifndef CONFIG_NET_TCP_CONNS # ifdef CONFIG_NET_TCP # define CONFIG_NET_TCP_CONNS 10 # else # define CONFIG_NET_TCP_CONNS 0 # endif #endif /* The maximum number of simultaneously listening TCP ports. * * Each listening TCP port requires 2 bytes of memory. */ #ifndef CONFIG_NET_MAX_LISTENPORTS # define CONFIG_NET_MAX_LISTENPORTS 20 #endif /* Define the maximum number of concurrently active UDP and TCP * ports. This number must be greater than the number of open * sockets in order to support multi-threaded read/write operations. */ #ifndef CONFIG_NET_NACTIVESOCKETS # define CONFIG_NET_NACTIVESOCKETS (CONFIG_NET_TCP_CONNS + CONFIG_NET_UDP_CONNS) #endif /* The initial retransmission timeout counted in timer pulses. * * This should not be changed. */ #define UIP_RTO 3 /* The maximum number of times a segment should be retransmitted * before the connection should be aborted. * * This should not be changed. */ #define UIP_MAXRTX 8 /* 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. */ #define UIP_MAXSYNRTX 5 /* The TCP maximum segment size. This is should not be set to more * than CONFIG_NET_BUFSIZE - UIP_LLH_LEN - UIP_TCPIP_HLEN. */ #define UIP_TCP_MSS (CONFIG_NET_BUFSIZE - UIP_LLH_LEN - UIP_TCPIP_HLEN) /* The size of the advertised receiver's window. * * Should be set low (i.e., to the size of the d_buf buffer) is the * application is slow to process incoming data, or high (32768 bytes) * if the application processes data quickly. */ #ifndef CONFIG_NET_RECEIVE_WINDOW # define CONFIG_NET_RECEIVE_WINDOW UIP_TCP_MSS #endif /* How long a connection should stay in the TIME_WAIT state. * * This configiration option has no real implication, and it should be * left untouched. Units: half second. */ #define UIP_TIME_WAIT_TIMEOUT (60*2) /* 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. */ #ifndef CONFIG_NET_ARPTAB_SIZE # define CONFIG_NET_ARPTAB_SIZE 8 #endif /* The maxium 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 /* 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 1500 bytes. Lower size results in lower * TCP throughput, larger size results in higher TCP throughput. */ #ifndef CONFIG_NET_BUFSIZE # define CONFIG_NET_BUFSIZE 400 #endif /* Number of TCP read-ahead buffers (may be zero) */ #ifndef CONFIG_NET_NTCP_READAHEAD_BUFFERS # define CONFIG_NET_NTCP_READAHEAD_BUFFERS 4 #endif /* The size of the TCP read buffer size */ #ifndef CONFIG_NET_TCP_READAHEAD_BUFSIZE # define CONFIG_NET_TCP_READAHEAD_BUFSIZE UIP_TCP_MSS #endif /* The link level header length. * * This is the offset into the d_buf where the IP header can be * found. For Ethernet, this should be set to 14. For SLIP, this * should be set to 0. */ #ifdef CONFIG_NET_LLH_LEN # define UIP_LLH_LEN CONFIG_NET_LLH_LEN #else # define UIP_LLH_LEN 14 #endif /**************************************************************************** * Public Type Definitions ****************************************************************************/ /* Statistics datatype * * This typedef defines the dataype used for keeping statistics in * uIP. */ typedef uint16_t uip_stats_t; #endif /* __UIPOPT_H__ */