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ZeroTierOne/ext/lwipopts.h
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2015-09-10 13:56:01 -04:00

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/**
* @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 "lwipopts.h"
#include "lwip/debug.h"
/*
#define LWIP_MALLOC_MEMPOOL 1
*/
/*
#define LWIP_CHECKSUM_ON_COPY 1
#define TCP_OVERSIZE TCP_MSS
*/
//#define TCP_SND_QUEUELEN 128
//#define TCP_WND
//#define PBUF_POOL_BUFSIZE 2048
/*------------------------------------------------------------------------------
---------------------------------- Timers --------------------------------------
------------------------------------------------------------------------------*/
/* these are originally defined in tcp_impl.h */
#ifndef TCP_TMR_INTERVAL
/* The TCP timer interval in milliseconds. */
#define TCP_TMR_INTERVAL 25
#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 --------------------------------
------------------------------------------------------------------------------*/
#define LWIP_CHKSUM_ALGORITHM 2
/**
* 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
/*------------------------------------------------------------------------------
-------------------------- 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 32
/**
* 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 128
/**
* 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 128 /* 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
/*------------------------------------------------------------------------------
-------------------------------- 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)
/*------------------------------------------------------------------------------
--------------------------------- 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 1
/*------------------------------------------------------------------------------
--------------------------------- PPP Options ----------------------------------
------------------------------------------------------------------------------*/
/**
* PPP_SUPPORT==1: Enable PPP.
*/
#define PPP_SUPPORT 0
/* Misc */
#define MEM_LIBC_MALLOC 1
#define MEMP_MEM_MALLOC 0
#endif /* __LWIPOPTS_H__ */
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