diff options
Diffstat (limited to 'ext/lwipopts.h')
-rw-r--r-- | ext/lwipopts.h | 475 |
1 files changed, 475 insertions, 0 deletions
diff --git a/ext/lwipopts.h b/ext/lwipopts.h new file mode 100644 index 00000000..6d2b0c22 --- /dev/null +++ b/ext/lwipopts.h @@ -0,0 +1,475 @@ +/** + * @file + * + * lwIP Options Configuration + */ + +/* + * Copyright (c) 2001-2004 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. 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 lwIP TCP/IP stack. + * + * Author: Adam Dunkels <adam@sics.se> + * + */ +#ifndef __LWIPOPTS_H__ +#define __LWIPOPTS_H__ + +/* + * Include user defined options first. Anything not defined in these files + * will be set to standard values. Override anything you dont like! + */ +#include "lwip/debug.h" + +#define LWIP_CHKSUM_ALGORITHM 2 + +#undef TCP_MSS +#define TCP_MSS 1460 + +/* +The TCP window size can be adjusted by changing the define TCP_WND. However, +do keep in mind that this should be at least twice the size of TCP_MSS (thus +on ethernet, where TCP_MSS is 1460, it should be set to at least 2920). If +memory allows it, set this as high as possible (16-bit, so 0xFFFF is the highest +value), but keep in mind that for every active connection, the full window may +have to be buffered until it is acknowledged by the remote side (although this +buffer size can still be controlled by TCP_SND_BUF and TCP_SND_QUEUELEN). The +reason for "twice" are both the nagle algorithm and delayed ACK from the +remote peer. +*/ + +#define TCP_WND TCP_MSS*10 // max = 0xffff + +#define LWIP_NOASSERT 1 +#define TCP_LISTEN_BACKLOG 0 + +/*------------------------------------------------------------------------------ +---------------------------------- Timers -------------------------------------- +------------------------------------------------------------------------------*/ +/* +Be careful about setting this too small. lwIP just counts the number +of times its timer is called and uses this to control time sensitive +operations (such as TCP retransmissions), rather than actually +measuring time using something more accurate. If you call the timer +functions very frequently you may see things (such as retransmissions) +happening sooner than they should. +*/ +/* these are originally defined in tcp_impl.h */ +#ifndef TCP_TMR_INTERVAL +/* The TCP timer interval in milliseconds. */ +#define TCP_TMR_INTERVAL 250 +#endif /* TCP_TMR_INTERVAL */ + +#ifndef TCP_FAST_INTERVAL +/* the fine grained timeout in milliseconds */ +#define TCP_FAST_INTERVAL TCP_TMR_INTERVAL +#endif /* TCP_FAST_INTERVAL */ + +#ifndef TCP_SLOW_INTERVALs +/* the coarse grained timeout in milliseconds */ +#define TCP_SLOW_INTERVAL (2*TCP_TMR_INTERVAL) +#endif /* TCP_SLOW_INTERVAL */ + + +/*------------------------------------------------------------------------------ +--------------------------- Platform specific locking ------------------------- +------------------------------------------------------------------------------*/ + +/** + * SYS_LIGHTWEIGHT_PROT==1: if you want inter-task protection for certain + * critical regions during buffer allocation, deallocation and memory + * allocation and deallocation. + */ +#define SYS_LIGHTWEIGHT_PROT 0 + +/** + * NO_SYS==1: Provides VERY minimal functionality. Otherwise, + * use lwIP facilities. + */ + +/* set to 1 so we have no thread behaviour */ +#define NO_SYS 1 + +/* set to 1 so we can use our own timers */ +#define NO_SYS_NO_TIMERS 1 + + +/*------------------------------------------------------------------------------ +-------------------------------- Memory options -------------------------------- +------------------------------------------------------------------------------*/ + + + +/* Misc */ +#define MEM_LIBC_MALLOC 1 +#define MEMP_MEM_MALLOC 1 + + + +/** + * MEM_ALIGNMENT: should be set to the alignment of the CPU + * 4 byte alignment -> #define MEM_ALIGNMENT 4 + * 2 byte alignment -> #define MEM_ALIGNMENT 2 + */ +#define MEM_ALIGNMENT 1 + +/** + * 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 * 1024 * 64 +#define TCP_SND_BUF 1024 * 63 +//#define TCP_OVERSIZE TCP_MSS + +#define TCP_SND_QUEUELEN 1024 + +/*------------------------------------------------------------------------------ +-------------------------------- Pbuf Options ---------------------------------- +------------------------------------------------------------------------------*/ + +/** + * PBUF_LINK_HLEN: the number of bytes that should be allocated for a + * link level header. The default is 14, the standard value for + * Ethernet. + */ +#define PBUF_LINK_HLEN 16 + +/** + * PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. The default is + * designed to accomodate single full size TCP frame in one pbuf, including + * TCP_MSS, IP header, and link header. +* + */ +#define PBUF_POOL_BUFSIZE LWIP_MEM_ALIGN_SIZE(TCP_MSS+40+PBUF_LINK_HLEN) + + +/*------------------------------------------------------------------------------ +-------------------------- Internal Memory Pool Sizes -------------------------- +------------------------------------------------------------------------------*/ + +/** + * MEMP_NUM_PBUF: the number of memp struct pbufs (used for PBUF_ROM and PBUF_REF). + * If the application sends a lot of data out of ROM (or other static memory), + * this should be set high. + */ +#define MEMP_NUM_PBUF 256 + +/** + * MEMP_NUM_RAW_PCB: Number of raw connection PCBs + * (requires the LWIP_RAW option) + */ +#define MEMP_NUM_RAW_PCB 128 + +/** + * MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One + * per active UDP "connection". + * (requires the LWIP_UDP option) + */ +#define MEMP_NUM_UDP_PCB 4 + +/** + * MEMP_NUM_TCP_PCB: the number of simulatenously active TCP connections. + * (requires the LWIP_TCP option) + */ +#define MEMP_NUM_TCP_PCB 128 + +/** + * MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP connections. + * (requires the LWIP_TCP option) + */ +#define MEMP_NUM_TCP_PCB_LISTEN 128 + +/** + * MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP segments. + * (requires the LWIP_TCP option) + */ +#define MEMP_NUM_TCP_SEG 1024 + +/** + * MEMP_NUM_REASSDATA: the number of simultaneously IP packets queued for + * reassembly (whole packets, not fragments!) + */ +#define MEMP_NUM_REASSDATA 1 + +/** + * MEMP_NUM_ARP_QUEUE: the number of simulateously queued outgoing + * packets (pbufs) that are waiting for an ARP request (to resolve + * their destination address) to finish. + * (requires the ARP_QUEUEING option) + */ +#define MEMP_NUM_ARP_QUEUE 2 + +/** + * MEMP_NUM_SYS_TIMEOUT: the number of simulateously active timeouts. + * (requires NO_SYS==0) + */ +#define MEMP_NUM_SYS_TIMEOUT 3 + +/** + * MEMP_NUM_NETBUF: the number of struct netbufs. + * (only needed if you use the sequential API, like api_lib.c) + */ +#define MEMP_NUM_NETBUF 2 + +/** + * MEMP_NUM_NETCONN: the number of struct netconns. + * (only needed if you use the sequential API, like api_lib.c) + */ +#define MEMP_NUM_NETCONN 4 + +/** + * MEMP_NUM_TCPIP_MSG_API: the number of struct tcpip_msg, which are used + * for callback/timeout API communication. + * (only needed if you use tcpip.c) + */ +#define MEMP_NUM_TCPIP_MSG_API 8 + +/** + * MEMP_NUM_TCPIP_MSG_INPKT: the number of struct tcpip_msg, which are used + * for incoming packets. + * (only needed if you use tcpip.c) + */ +#define MEMP_NUM_TCPIP_MSG_INPKT 8 + +/** + * PBUF_POOL_SIZE: the number of buffers in the pbuf pool. + */ +#define PBUF_POOL_SIZE 2048 /* was 32 */ + + +/*------------------------------------------------------------------------------ +----------------------------------- ARP options -------------------------------- +------------------------------------------------------------------------------*/ + +/** + * LWIP_ARP==1: Enable ARP functionality. + */ +#define LWIP_ARP 1 + + +/*------------------------------------------------------------------------------ +------------------------------------ IP options--------------------------------- +------------------------------------------------------------------------------*/ + +/** + * IP_FORWARD==1: Enables 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 + +/** + * IP_OPTIONS: Defines the behavior for IP options. + * IP_OPTIONS_ALLOWED==0: All packets with IP options are dropped. + * IP_OPTIONS_ALLOWED==1: IP options are allowed (but not parsed). + */ +#define IP_OPTIONS_ALLOWED 1 + +/** + * IP_REASSEMBLY==1: Reassemble incoming fragmented IP packets. Note that + * this option does not affect outgoing packet sizes, which can be controlled + * via IP_FRAG. + */ +#define IP_REASSEMBLY 1 + +/** + * IP_FRAG==1: Fragment outgoing IP packets if their size exceeds MTU. Note + * that this option does not affect incoming packet sizes, which can be + * controlled via IP_REASSEMBLY. + */ +#define IP_FRAG 1 + +/** + * IP_REASS_MAXAGE: Maximum time (in multiples of IP_TMR_INTERVAL - so seconds, normally) + * a fragmented IP packet waits for all fragments to arrive. If not all fragments arrived + * in this time, the whole packet is discarded. + */ +#define IP_REASS_MAXAGE 3 + +/** + * 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 4 + +/** + * IP_FRAG_USES_STATIC_BUF==1: Use a static MTU-sized buffer for IP + * fragmentation. Otherwise pbufs are allocated and reference the original + * packet data to be fragmented. +*/ +#define IP_FRAG_USES_STATIC_BUF 0 + +/** + * IP_DEFAULT_TTL: Default value for Time-To-Live used by transport layers. + */ +#define IP_DEFAULT_TTL 255 + + +/*------------------------------------------------------------------------------ +------------------------------- ICMP Options ----------------------------------- +------------------------------------------------------------------------------*/ + +/** + * LWIP_ICMP==1: Enable ICMP module inside the IP stack. + * Be careful, disable that make your product non-compliant to RFC1122 + */ +#define LWIP_ICMP 1 + + +/*------------------------------------------------------------------------------ +------------------------------- RAW Options ------------------------------------ +------------------------------------------------------------------------------*/ + +/** + * LWIP_RAW==1: Enable application layer to hook into the IP layer itself. + */ +#define LWIP_RAW 1 + + +/*------------------------------------------------------------------------------ +------------------------------- DHCP Options ----------------------------------- +------------------------------------------------------------------------------*/ + +/** + * LWIP_DHCP==1: Enable DHCP module. + */ +#define LWIP_DHCP 0 + + +/*------------------------------------------------------------------------------ +------------------------------ AUTOIP Options ---------------------------------- +------------------------------------------------------------------------------*/ + +/** + * LWIP_AUTOIP==1: Enable AUTOIP module. + */ +#define LWIP_AUTOIP 0 + + +/*------------------------------------------------------------------------------ +------------------------------- SNMP Options ----------------------------------- +------------------------------------------------------------------------------*/ + +/** + * LWIP_SNMP==1: Turn on SNMP module. UDP must be available for SNMP + * transport. + */ +#define LWIP_SNMP 0 + + +/*------------------------------------------------------------------------------ +------------------------------- IGMP Options ----------------------------------- +------------------------------------------------------------------------------*/ + +/** + * LWIP_IGMP==1: Turn on IGMP module. + */ +#define LWIP_IGMP 0 + + +/*------------------------------------------------------------------------------ +-------------------------------- DNS Options ----------------------------------- +------------------------------------------------------------------------------*/ + +/** + * LWIP_DNS==1: Turn on DNS module. UDP must be available for DNS + * transport. + */ +#define LWIP_DNS 0 + + +/*------------------------------------------------------------------------------ +-------------------------------- UDP Options ----------------------------------- +------------------------------------------------------------------------------*/ + +/** + * LWIP_UDP==1: Turn on UDP. + */ +#define LWIP_UDP 1 + + +/*------------------------------------------------------------------------------ +-------------------------------- TCP Options ----------------------------------- +------------------------------------------------------------------------------*/ + +/** + * LWIP_TCP==1: Turn on TCP. + */ +#define LWIP_TCP 1 + +#define LWIP_LISTEN_BACKLOG 0 + + +/*------------------------------------------------------------------------------ +--------------------------------- LOOPIF Options ------------------------------- +------------------------------------------------------------------------------*/ + +/** + * LWIP_HAVE_LOOPIF==1: Support loop interface (127.0.0.1) and loopif.c + */ +#define LWIP_HAVE_LOOPIF 0 + + +/*------------------------------------------------------------------------------ +---------------------------- Sequential Layer Options -------------------------- +------------------------------------------------------------------------------*/ + +/** + * LWIP_NETCONN==1: Enable Netconn API (require to use api_lib.c) + */ +#define LWIP_NETCONN 0 + + +/*------------------------------------------------------------------------------ +--------------------------------- Socket Options ------------------------------- +------------------------------------------------------------------------------*/ +/** + * LWIP_SOCKET==1: Enable Socket API (require to use sockets.c) + */ +#define LWIP_SOCKET 0 + + +/*------------------------------------------------------------------------------ +------------------------------ Statistics Options ------------------------------ +------------------------------------------------------------------------------*/ + +/** + * LWIP_STATS==1: Enable statistics collection in lwip_stats. + */ +#define LWIP_STATS 0 + +/*------------------------------------------------------------------------------ +--------------------------------- PPP Options ---------------------------------- +------------------------------------------------------------------------------*/ + +/** + * PPP_SUPPORT==1: Enable PPP. + */ +#define PPP_SUPPORT 0 + +#endif /* __LWIPOPTS_H__ */ |