Hendrik Lipka
Stripped down version of Segundos NetService library (http://mbed.org/users/segundo/libraries/NetServices ). I have removed all NetServices, and all functions which had been disabled. Use this version when you need only pure TCP or UDP functions - this library compiles faster.
Dependents: christmasLights device_server pop3demo device_server_udp ... more
Diff: lwip/include/lwip/opt.h
- Revision:
- 1:9d93f4dc2f46
- Parent:
- 0:8b387bed54c2
--- a/lwip/include/lwip/opt.h Mon Jan 10 21:03:11 2011 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,2040 +0,0 @@
-/**
- * @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 __LWIP_OPT_H__
-#define __LWIP_OPT_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"
-
-/*
- -----------------------------------------------
- ---------- 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.
- */
-#ifndef SYS_LIGHTWEIGHT_PROT
-#define SYS_LIGHTWEIGHT_PROT 0
-#endif
-
-/**
- * NO_SYS==1: Provides VERY minimal functionality. Otherwise,
- * use lwIP facilities.
- */
-#ifndef NO_SYS
-#define NO_SYS 0
-#endif
-
-/**
- * NO_SYS_NO_TIMERS==1: Drop support for sys_timeout when NO_SYS==1
- * Mainly for compatibility to old versions.
- */
-#ifndef NO_SYS_NO_TIMERS
-#define NO_SYS_NO_TIMERS 0
-#endif
-
-/**
- * MEMCPY: override this if you have a faster implementation at hand than the
- * one included in your C library
- */
-#ifndef MEMCPY
-#define MEMCPY(dst,src,len) memcpy(dst,src,len)
-#endif
-
-/**
- * SMEMCPY: override this with care! Some compilers (e.g. gcc) can inline a
- * call to memcpy() if the length is known at compile time and is small.
- */
-#ifndef SMEMCPY
-#define SMEMCPY(dst,src,len) memcpy(dst,src,len)
-#endif
-
-/*
- ------------------------------------
- ---------- Memory options ----------
- ------------------------------------
-*/
-/**
- * MEM_LIBC_MALLOC==1: Use malloc/free/realloc provided by your C-library
- * instead of the lwip internal allocator. Can save code size if you
- * already use it.
- */
-#ifndef MEM_LIBC_MALLOC
-#define MEM_LIBC_MALLOC 0
-#endif
-
-/**
-* MEMP_MEM_MALLOC==1: Use mem_malloc/mem_free instead of the lwip pool allocator.
-* Especially useful with MEM_LIBC_MALLOC but handle with care regarding execution
-* speed and usage from interrupts!
-*/
-#ifndef MEMP_MEM_MALLOC
-#define MEMP_MEM_MALLOC 0
-#endif
-
-/**
- * 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
- */
-#ifndef MEM_ALIGNMENT
-#define MEM_ALIGNMENT 1
-#endif
-
-/**
- * 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.
- */
-#ifndef MEM_SIZE
-#define MEM_SIZE 1600
-#endif
-
-/**
- * MEMP_SEPARATE_POOLS: if defined to 1, each pool is placed in its own array.
- * This can be used to individually change the location of each pool.
- * Default is one big array for all pools
- */
-#ifndef MEMP_SEPARATE_POOLS
-#define MEMP_SEPARATE_POOLS 0
-#endif
-
-/**
- * MEMP_OVERFLOW_CHECK: memp overflow protection reserves a configurable
- * amount of bytes before and after each memp element in every pool and fills
- * it with a prominent default value.
- * MEMP_OVERFLOW_CHECK == 0 no checking
- * MEMP_OVERFLOW_CHECK == 1 checks each element when it is freed
- * MEMP_OVERFLOW_CHECK >= 2 checks each element in every pool every time
- * memp_malloc() or memp_free() is called (useful but slow!)
- */
-#ifndef MEMP_OVERFLOW_CHECK
-#define MEMP_OVERFLOW_CHECK 0
-#endif
-
-/**
- * MEMP_SANITY_CHECK==1: run a sanity check after each memp_free() to make
- * sure that there are no cycles in the linked lists.
- */
-#ifndef MEMP_SANITY_CHECK
-#define MEMP_SANITY_CHECK 0
-#endif
-
-/**
- * MEM_USE_POOLS==1: Use an alternative to malloc() by allocating from a set
- * of memory pools of various sizes. When mem_malloc is called, an element of
- * the smallest pool that can provide the length needed is returned.
- * To use this, MEMP_USE_CUSTOM_POOLS also has to be enabled.
- */
-#ifndef MEM_USE_POOLS
-#define MEM_USE_POOLS 0
-#endif
-
-/**
- * MEM_USE_POOLS_TRY_BIGGER_POOL==1: if one malloc-pool is empty, try the next
- * bigger pool - WARNING: THIS MIGHT WASTE MEMORY but it can make a system more
- * reliable. */
-#ifndef MEM_USE_POOLS_TRY_BIGGER_POOL
-#define MEM_USE_POOLS_TRY_BIGGER_POOL 0
-#endif
-
-/**
- * MEMP_USE_CUSTOM_POOLS==1: whether to include a user file lwippools.h
- * that defines additional pools beyond the "standard" ones required
- * by lwIP. If you set this to 1, you must have lwippools.h in your
- * inlude path somewhere.
- */
-#ifndef MEMP_USE_CUSTOM_POOLS
-#define MEMP_USE_CUSTOM_POOLS 0
-#endif
-
-/**
- * Set this to 1 if you want to free PBUF_RAM pbufs (or call mem_free()) from
- * interrupt context (or another context that doesn't allow waiting for a
- * semaphore).
- * If set to 1, mem_malloc will be protected by a semaphore and SYS_ARCH_PROTECT,
- * while mem_free will only use SYS_ARCH_PROTECT. mem_malloc SYS_ARCH_UNPROTECTs
- * with each loop so that mem_free can run.
- *
- * ATTENTION: As you can see from the above description, this leads to dis-/
- * enabling interrupts often, which can be slow! Also, on low memory, mem_malloc
- * can need longer.
- *
- * If you don't want that, at least for NO_SYS=0, you can still use the following
- * functions to enqueue a deallocation call which then runs in the tcpip_thread
- * context:
- * - pbuf_free_callback(p);
- * - mem_free_callback(m);
- */
-#ifndef LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT
-#define LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT 0
-#endif
-
-/*
- ------------------------------------------------
- ---------- 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.
- */
-#ifndef MEMP_NUM_PBUF
-#define MEMP_NUM_PBUF 16
-#endif
-
-/**
- * MEMP_NUM_RAW_PCB: Number of raw connection PCBs
- * (requires the LWIP_RAW option)
- */
-#ifndef MEMP_NUM_RAW_PCB
-#define MEMP_NUM_RAW_PCB 4
-#endif
-
-/**
- * MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
- * per active UDP "connection".
- * (requires the LWIP_UDP option)
- */
-#ifndef MEMP_NUM_UDP_PCB
-#define MEMP_NUM_UDP_PCB 4
-#endif
-
-/**
- * MEMP_NUM_TCP_PCB: the number of simulatenously active TCP connections.
- * (requires the LWIP_TCP option)
- */
-#ifndef MEMP_NUM_TCP_PCB
-#define MEMP_NUM_TCP_PCB 5
-#endif
-
-/**
- * MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP connections.
- * (requires the LWIP_TCP option)
- */
-#ifndef MEMP_NUM_TCP_PCB_LISTEN
-#define MEMP_NUM_TCP_PCB_LISTEN 8
-#endif
-
-/**
- * MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP segments.
- * (requires the LWIP_TCP option)
- */
-#ifndef MEMP_NUM_TCP_SEG
-#define MEMP_NUM_TCP_SEG 16
-#endif
-
-/**
- * MEMP_NUM_REASSDATA: the number of IP packets simultaneously queued for
- * reassembly (whole packets, not fragments!)
- */
-#ifndef MEMP_NUM_REASSDATA
-#define MEMP_NUM_REASSDATA 5
-#endif
-
-/**
- * MEMP_NUM_FRAG_PBUF: the number of IP fragments simultaneously sent
- * (fragments, not whole packets!).
- * This is only used with IP_FRAG_USES_STATIC_BUF==0 and
- * LWIP_NETIF_TX_SINGLE_PBUF==0 and only has to be > 1 with DMA-enabled MACs
- * where the packet is not yet sent when netif->output returns.
- */
-#ifndef MEMP_NUM_FRAG_PBUF
-#define MEMP_NUM_FRAG_PBUF 15
-#endif
-
-/**
- * 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)
- */
-#ifndef MEMP_NUM_ARP_QUEUE
-#define MEMP_NUM_ARP_QUEUE 30
-#endif
-
-/**
- * MEMP_NUM_IGMP_GROUP: The number of multicast groups whose network interfaces
- * can be members et the same time (one per netif - allsystems group -, plus one
- * per netif membership).
- * (requires the LWIP_IGMP option)
- */
-#ifndef MEMP_NUM_IGMP_GROUP
-#define MEMP_NUM_IGMP_GROUP 8
-#endif
-
-/**
- * MEMP_NUM_SYS_TIMEOUT: the number of simulateously active timeouts.
- * (requires NO_SYS==0)
- */
-#ifndef MEMP_NUM_SYS_TIMEOUT
-#define MEMP_NUM_SYS_TIMEOUT 3
-#endif
-
-/**
- * MEMP_NUM_NETBUF: the number of struct netbufs.
- * (only needed if you use the sequential API, like api_lib.c)
- */
-#ifndef MEMP_NUM_NETBUF
-#define MEMP_NUM_NETBUF 2
-#endif
-
-/**
- * MEMP_NUM_NETCONN: the number of struct netconns.
- * (only needed if you use the sequential API, like api_lib.c)
- */
-#ifndef MEMP_NUM_NETCONN
-#define MEMP_NUM_NETCONN 4
-#endif
-
-/**
- * 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)
- */
-#ifndef MEMP_NUM_TCPIP_MSG_API
-#define MEMP_NUM_TCPIP_MSG_API 8
-#endif
-
-/**
- * MEMP_NUM_TCPIP_MSG_INPKT: the number of struct tcpip_msg, which are used
- * for incoming packets.
- * (only needed if you use tcpip.c)
- */
-#ifndef MEMP_NUM_TCPIP_MSG_INPKT
-#define MEMP_NUM_TCPIP_MSG_INPKT 8
-#endif
-
-/**
- * MEMP_NUM_SNMP_NODE: the number of leafs in the SNMP tree.
- */
-#ifndef MEMP_NUM_SNMP_NODE
-#define MEMP_NUM_SNMP_NODE 50
-#endif
-
-/**
- * MEMP_NUM_SNMP_ROOTNODE: the number of branches in the SNMP tree.
- * Every branch has one leaf (MEMP_NUM_SNMP_NODE) at least!
- */
-#ifndef MEMP_NUM_SNMP_ROOTNODE
-#define MEMP_NUM_SNMP_ROOTNODE 30
-#endif
-
-/**
- * MEMP_NUM_SNMP_VARBIND: the number of concurrent requests (does not have to
- * be changed normally) - 2 of these are used per request (1 for input,
- * 1 for output)
- */
-#ifndef MEMP_NUM_SNMP_VARBIND
-#define MEMP_NUM_SNMP_VARBIND 2
-#endif
-
-/**
- * MEMP_NUM_SNMP_VALUE: the number of OID or values concurrently used
- * (does not have to be changed normally) - 3 of these are used per request
- * (1 for the value read and 2 for OIDs - input and output)
- */
-#ifndef MEMP_NUM_SNMP_VALUE
-#define MEMP_NUM_SNMP_VALUE 3
-#endif
-
-/**
- * MEMP_NUM_NETDB: the number of concurrently running lwip_addrinfo() calls
- * (before freeing the corresponding memory using lwip_freeaddrinfo()).
- */
-#ifndef MEMP_NUM_NETDB
-#define MEMP_NUM_NETDB 1
-#endif
-
-/**
- * MEMP_NUM_LOCALHOSTLIST: the number of host entries in the local host list
- * if DNS_LOCAL_HOSTLIST_IS_DYNAMIC==1.
- */
-#ifndef MEMP_NUM_LOCALHOSTLIST
-#define MEMP_NUM_LOCALHOSTLIST 1
-#endif
-
-/**
- * MEMP_NUM_PPPOE_INTERFACES: the number of concurrently active PPPoE
- * interfaces (only used with PPPOE_SUPPORT==1)
- */
-#ifndef MEMP_NUM_PPPOE_INTERFACES
-#define MEMP_NUM_PPPOE_INTERFACES 1
-#endif
-
-/**
- * PBUF_POOL_SIZE: the number of buffers in the pbuf pool.
- */
-#ifndef PBUF_POOL_SIZE
-#define PBUF_POOL_SIZE 16
-#endif
-
-/*
- ---------------------------------
- ---------- ARP options ----------
- ---------------------------------
-*/
-/**
- * LWIP_ARP==1: Enable ARP functionality.
- */
-#ifndef LWIP_ARP
-#define LWIP_ARP 1
-#endif
-
-/**
- * ARP_TABLE_SIZE: Number of active MAC-IP address pairs cached.
- */
-#ifndef ARP_TABLE_SIZE
-#define ARP_TABLE_SIZE 10
-#endif
-
-/**
- * ARP_QUEUEING==1: Outgoing packets are queued during hardware address
- * resolution.
- */
-#ifndef ARP_QUEUEING
-#define ARP_QUEUEING 1
-#endif
-
-/**
- * ETHARP_TRUST_IP_MAC==1: Incoming IP packets cause the ARP table to be
- * updated with the source MAC and IP addresses supplied in the packet.
- * You may want to disable this if you do not trust LAN peers to have the
- * correct addresses, or as a limited approach to attempt to handle
- * spoofing. If disabled, lwIP will need to make a new ARP request if
- * the peer is not already in the ARP table, adding a little latency.
- * The peer *is* in the ARP table if it requested our address before.
- * Also notice that this slows down input processing of every IP packet!
- */
-#ifndef ETHARP_TRUST_IP_MAC
-#define ETHARP_TRUST_IP_MAC 0
-#endif
-
-/**
- * ETHARP_SUPPORT_VLAN==1: support receiving ethernet packets with VLAN header.
- * Additionally, you can define ETHARP_VLAN_CHECK to an u16_t VLAN ID to check.
- * If ETHARP_VLAN_CHECK is defined, only VLAN-traffic for this VLAN is accepted.
- * If ETHARP_VLAN_CHECK is not defined, all traffic is accepted.
- */
-#ifndef ETHARP_SUPPORT_VLAN
-#define ETHARP_SUPPORT_VLAN 0
-#endif
-
-/** LWIP_ETHERNET==1: enable ethernet support for PPPoE even though ARP
- * might be disabled
- */
-#ifndef LWIP_ETHERNET
-#define LWIP_ETHERNET (LWIP_ARP || PPPOE_SUPPORT)
-#endif
-
-/** 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.
- */
-#ifndef ETH_PAD_SIZE
-#define ETH_PAD_SIZE 0
-#endif
-
-/** ETHARP_SUPPORT_STATIC_ENTRIES==1: enable code to support static ARP table
- * entries (using etharp_add_static_entry/etharp_remove_static_entry).
- */
-#ifndef ETHARP_SUPPORT_STATIC_ENTRIES
-#define ETHARP_SUPPORT_STATIC_ENTRIES 0
-#endif
-
-
-/*
- --------------------------------
- ---------- 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.
- */
-#ifndef IP_FORWARD
-#define IP_FORWARD 0
-#endif
-
-/**
- * IP_OPTIONS_ALLOWED: 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).
- */
-#ifndef IP_OPTIONS_ALLOWED
-#define IP_OPTIONS_ALLOWED 1
-#endif
-
-/**
- * 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.
- */
-#ifndef IP_REASSEMBLY
-#define IP_REASSEMBLY 1
-#endif
-
-/**
- * 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.
- */
-#ifndef IP_FRAG
-#define IP_FRAG 1
-#endif
-
-/**
- * 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.
- */
-#ifndef IP_REASS_MAXAGE
-#define IP_REASS_MAXAGE 3
-#endif
-
-/**
- * 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!
- */
-#ifndef IP_REASS_MAX_PBUFS
-#define IP_REASS_MAX_PBUFS 10
-#endif
-
-/**
- * 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 (or with LWIP_NETIF_TX_SINGLE_PBUF==1,
- * new PBUF_RAM pbufs are used for fragments).
- * ATTENTION: IP_FRAG_USES_STATIC_BUF==1 may not be used for DMA-enabled MACs!
- */
-#ifndef IP_FRAG_USES_STATIC_BUF
-#define IP_FRAG_USES_STATIC_BUF 0
-#endif
-
-/**
- * IP_FRAG_MAX_MTU: Assumed max MTU on any interface for IP frag buffer
- * (requires IP_FRAG_USES_STATIC_BUF==1)
- */
-#if IP_FRAG_USES_STATIC_BUF && !defined(IP_FRAG_MAX_MTU)
-#define IP_FRAG_MAX_MTU 1500
-#endif
-
-/**
- * IP_DEFAULT_TTL: Default value for Time-To-Live used by transport layers.
- */
-#ifndef IP_DEFAULT_TTL
-#define IP_DEFAULT_TTL 255
-#endif
-
-/**
- * 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.
- */
-#ifndef IP_SOF_BROADCAST
-#define IP_SOF_BROADCAST 0
-#endif
-
-/**
- * IP_SOF_BROADCAST_RECV (requires IP_SOF_BROADCAST=1) enable the broadcast
- * filter on recv operations.
- */
-#ifndef IP_SOF_BROADCAST_RECV
-#define IP_SOF_BROADCAST_RECV 0
-#endif
-
-/*
- ----------------------------------
- ---------- ICMP options ----------
- ----------------------------------
-*/
-/**
- * LWIP_ICMP==1: Enable ICMP module inside the IP stack.
- * Be careful, disable that make your product non-compliant to RFC1122
- */
-#ifndef LWIP_ICMP
-#define LWIP_ICMP 1
-#endif
-
-/**
- * ICMP_TTL: Default value for Time-To-Live used by ICMP packets.
- */
-#ifndef ICMP_TTL
-#define ICMP_TTL (IP_DEFAULT_TTL)
-#endif
-
-/**
- * LWIP_BROADCAST_PING==1: respond to broadcast pings (default is unicast only)
- */
-#ifndef LWIP_BROADCAST_PING
-#define LWIP_BROADCAST_PING 0
-#endif
-
-/**
- * LWIP_MULTICAST_PING==1: respond to multicast pings (default is unicast only)
- */
-#ifndef LWIP_MULTICAST_PING
-#define LWIP_MULTICAST_PING 0
-#endif
-
-/*
- ---------------------------------
- ---------- RAW options ----------
- ---------------------------------
-*/
-/**
- * LWIP_RAW==1: Enable application layer to hook into the IP layer itself.
- */
-#ifndef LWIP_RAW
-#define LWIP_RAW 1
-#endif
-
-/**
- * LWIP_RAW==1: Enable application layer to hook into the IP layer itself.
- */
-#ifndef RAW_TTL
-#define RAW_TTL (IP_DEFAULT_TTL)
-#endif
-
-/*
- ----------------------------------
- ---------- DHCP options ----------
- ----------------------------------
-*/
-/**
- * LWIP_DHCP==1: Enable DHCP module.
- */
-#ifndef LWIP_DHCP
-#define LWIP_DHCP 0
-#endif
-
-/**
- * DHCP_DOES_ARP_CHECK==1: Do an ARP check on the offered address.
- */
-#ifndef DHCP_DOES_ARP_CHECK
-#define DHCP_DOES_ARP_CHECK ((LWIP_DHCP) && (LWIP_ARP))
-#endif
-
-/*
- ------------------------------------
- ---------- AUTOIP options ----------
- ------------------------------------
-*/
-/**
- * LWIP_AUTOIP==1: Enable AUTOIP module.
- */
-#ifndef LWIP_AUTOIP
-#define LWIP_AUTOIP 0
-#endif
-
-/**
- * LWIP_DHCP_AUTOIP_COOP==1: Allow DHCP and AUTOIP to be both enabled on
- * the same interface at the same time.
- */
-#ifndef LWIP_DHCP_AUTOIP_COOP
-#define LWIP_DHCP_AUTOIP_COOP 0
-#endif
-
-/**
- * LWIP_DHCP_AUTOIP_COOP_TRIES: Set to the number of DHCP DISCOVER probes
- * that should be sent before falling back on AUTOIP. This can be set
- * as low as 1 to get an AutoIP address very quickly, but you should
- * be prepared to handle a changing IP address when DHCP overrides
- * AutoIP.
- */
-#ifndef LWIP_DHCP_AUTOIP_COOP_TRIES
-#define LWIP_DHCP_AUTOIP_COOP_TRIES 9
-#endif
-
-/*
- ----------------------------------
- ---------- SNMP options ----------
- ----------------------------------
-*/
-/**
- * LWIP_SNMP==1: Turn on SNMP module. UDP must be available for SNMP
- * transport.
- */
-#ifndef LWIP_SNMP
-#define LWIP_SNMP 0
-#endif
-
-/**
- * SNMP_CONCURRENT_REQUESTS: Number of concurrent requests the module will
- * allow. At least one request buffer is required.
- * Does not have to be changed unless external MIBs answer request asynchronously
- */
-#ifndef SNMP_CONCURRENT_REQUESTS
-#define SNMP_CONCURRENT_REQUESTS 1
-#endif
-
-/**
- * SNMP_TRAP_DESTINATIONS: Number of trap destinations. At least one trap
- * destination is required
- */
-#ifndef SNMP_TRAP_DESTINATIONS
-#define SNMP_TRAP_DESTINATIONS 1
-#endif
-
-/**
- * SNMP_PRIVATE_MIB:
- * When using a private MIB, you have to create a file 'private_mib.h' that contains
- * a 'struct mib_array_node mib_private' which contains your MIB.
- */
-#ifndef SNMP_PRIVATE_MIB
-#define SNMP_PRIVATE_MIB 0
-#endif
-
-/**
- * Only allow SNMP write actions that are 'safe' (e.g. disabeling netifs is not
- * a safe action and disabled when SNMP_SAFE_REQUESTS = 1).
- * Unsafe requests are disabled by default!
- */
-#ifndef SNMP_SAFE_REQUESTS
-#define SNMP_SAFE_REQUESTS 1
-#endif
-
-/**
- * The maximum length of strings used. This affects the size of
- * MEMP_SNMP_VALUE elements.
- */
-#ifndef SNMP_MAX_OCTET_STRING_LEN
-#define SNMP_MAX_OCTET_STRING_LEN 127
-#endif
-
-/**
- * The maximum depth of the SNMP tree.
- * With private MIBs enabled, this depends on your MIB!
- * This affects the size of MEMP_SNMP_VALUE elements.
- */
-#ifndef SNMP_MAX_TREE_DEPTH
-#define SNMP_MAX_TREE_DEPTH 15
-#endif
-
-/**
- * The size of the MEMP_SNMP_VALUE elements, normally calculated from
- * SNMP_MAX_OCTET_STRING_LEN and SNMP_MAX_TREE_DEPTH.
- */
-#ifndef SNMP_MAX_VALUE_SIZE
-#define SNMP_MAX_VALUE_SIZE LWIP_MAX((SNMP_MAX_OCTET_STRING_LEN)+1, sizeof(s32_t)*(SNMP_MAX_TREE_DEPTH))
-#endif
-
-/*
- ----------------------------------
- ---------- IGMP options ----------
- ----------------------------------
-*/
-/**
- * LWIP_IGMP==1: Turn on IGMP module.
- */
-#ifndef LWIP_IGMP
-#define LWIP_IGMP 0
-#endif
-
-/*
- ----------------------------------
- ---------- DNS options -----------
- ----------------------------------
-*/
-/**
- * LWIP_DNS==1: Turn on DNS module. UDP must be available for DNS
- * transport.
- */
-#ifndef LWIP_DNS
-#define LWIP_DNS 0
-#endif
-
-/** DNS maximum number of entries to maintain locally. */
-#ifndef DNS_TABLE_SIZE
-#define DNS_TABLE_SIZE 4
-#endif
-
-/** DNS maximum host name length supported in the name table. */
-#ifndef DNS_MAX_NAME_LENGTH
-#define DNS_MAX_NAME_LENGTH 256
-#endif
-
-/** The maximum of DNS servers */
-#ifndef DNS_MAX_SERVERS
-#define DNS_MAX_SERVERS 2
-#endif
-
-/** DNS do a name checking between the query and the response. */
-#ifndef DNS_DOES_NAME_CHECK
-#define DNS_DOES_NAME_CHECK 1
-#endif
-
-/** DNS message max. size. Default value is RFC compliant. */
-#ifndef DNS_MSG_SIZE
-#define DNS_MSG_SIZE 512
-#endif
-
-/** DNS_LOCAL_HOSTLIST: Implements a local host-to-address list. If enabled,
- * you have to define
- * #define DNS_LOCAL_HOSTLIST_INIT {{"host1", 0x123}, {"host2", 0x234}}
- * (an array of structs name/address, where address is an u32_t in network
- * byte order).
- *
- * Instead, you can also use an external function:
- * #define DNS_LOOKUP_LOCAL_EXTERN(x) extern u32_t my_lookup_function(const char *name)
- * that returns the IP address or INADDR_NONE if not found.
- */
-#ifndef DNS_LOCAL_HOSTLIST
-#define DNS_LOCAL_HOSTLIST 0
-#endif /* DNS_LOCAL_HOSTLIST */
-
-/** If this is turned on, the local host-list can be dynamically changed
- * at runtime. */
-#ifndef DNS_LOCAL_HOSTLIST_IS_DYNAMIC
-#define DNS_LOCAL_HOSTLIST_IS_DYNAMIC 0
-#endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */
-
-/*
- ---------------------------------
- ---------- UDP options ----------
- ---------------------------------
-*/
-/**
- * LWIP_UDP==1: Turn on UDP.
- */
-#ifndef LWIP_UDP
-#define LWIP_UDP 1
-#endif
-
-/**
- * LWIP_UDPLITE==1: Turn on UDP-Lite. (Requires LWIP_UDP)
- */
-#ifndef LWIP_UDPLITE
-#define LWIP_UDPLITE 0
-#endif
-
-/**
- * UDP_TTL: Default Time-To-Live value.
- */
-#ifndef UDP_TTL
-#define UDP_TTL (IP_DEFAULT_TTL)
-#endif
-
-/**
- * LWIP_NETBUF_RECVINFO==1: append destination addr and port to every netbuf.
- */
-#ifndef LWIP_NETBUF_RECVINFO
-#define LWIP_NETBUF_RECVINFO 0
-#endif
-
-/*
- ---------------------------------
- ---------- TCP options ----------
- ---------------------------------
-*/
-/**
- * LWIP_TCP==1: Turn on TCP.
- */
-#ifndef LWIP_TCP
-#define LWIP_TCP 1
-#endif
-
-/**
- * TCP_TTL: Default Time-To-Live value.
- */
-#ifndef TCP_TTL
-#define TCP_TTL (IP_DEFAULT_TTL)
-#endif
-
-/**
- * TCP_WND: The size of a TCP window. This must be at least
- * (2 * TCP_MSS) for things to work well
- */
-#ifndef TCP_WND
-#define TCP_WND (4 * TCP_MSS)
-#endif
-
-/**
- * TCP_MAXRTX: Maximum number of retransmissions of data segments.
- */
-#ifndef TCP_MAXRTX
-#define TCP_MAXRTX 12
-#endif
-
-/**
- * TCP_SYNMAXRTX: Maximum number of retransmissions of SYN segments.
- */
-#ifndef TCP_SYNMAXRTX
-#define TCP_SYNMAXRTX 6
-#endif
-
-/**
- * TCP_QUEUE_OOSEQ==1: TCP will queue segments that arrive out of order.
- * Define to 0 if your device is low on memory.
- */
-#ifndef TCP_QUEUE_OOSEQ
-#define TCP_QUEUE_OOSEQ (LWIP_TCP)
-#endif
-
-/**
- * TCP_MSS: TCP Maximum segment size. (default is 536, a conservative default,
- * you might want to increase this.)
- * For the receive side, this MSS is advertised to the remote side
- * when opening a connection. For the transmit size, this MSS sets
- * an upper limit on the MSS advertised by the remote host.
- */
-#ifndef TCP_MSS
-#define TCP_MSS 536
-#endif
-
-/**
- * TCP_CALCULATE_EFF_SEND_MSS: "The maximum size of a segment that TCP really
- * sends, the 'effective send MSS,' MUST be the smaller of the send MSS (which
- * reflects the available reassembly buffer size at the remote host) and the
- * largest size permitted by the IP layer" (RFC 1122)
- * Setting this to 1 enables code that checks TCP_MSS against the MTU of the
- * netif used for a connection and limits the MSS if it would be too big otherwise.
- */
-#ifndef TCP_CALCULATE_EFF_SEND_MSS
-#define TCP_CALCULATE_EFF_SEND_MSS 1
-#endif
-
-
-/**
- * TCP_SND_BUF: TCP sender buffer space (bytes).
- */
-#ifndef TCP_SND_BUF
-#define TCP_SND_BUF 256
-#endif
-
-/**
- * TCP_SND_QUEUELEN: TCP sender buffer space (pbufs). This must be at least
- * as much as (2 * TCP_SND_BUF/TCP_MSS) for things to work.
- */
-#ifndef TCP_SND_QUEUELEN
-#define TCP_SND_QUEUELEN (4 * (TCP_SND_BUF)/(TCP_MSS))
-#endif
-
-/**
- * TCP_SNDLOWAT: TCP writable space (bytes). This must be less than
- * TCP_SND_BUF. It is the amount of space which must be available in the
- * TCP snd_buf for select to return writable (combined with TCP_SNDQUEUELOWAT).
- */
-#ifndef TCP_SNDLOWAT
-#define TCP_SNDLOWAT ((TCP_SND_BUF)/2)
-#endif
-
-/**
- * TCP_SNDQUEUELOWAT: TCP writable bufs (pbuf count). This must be grater
- * than TCP_SND_QUEUELEN. If the number of pbufs queued on a pcb drops below
- * this number, select returns writable (combined with TCP_SNDLOWAT).
- */
-#ifndef TCP_SNDQUEUELOWAT
-#define TCP_SNDQUEUELOWAT ((TCP_SND_QUEUELEN)/2)
-#endif
-
-/**
- * TCP_LISTEN_BACKLOG: Enable the backlog option for tcp listen pcb.
- */
-#ifndef TCP_LISTEN_BACKLOG
-#define TCP_LISTEN_BACKLOG 0
-#endif
-
-/**
- * The maximum allowed backlog for TCP listen netconns.
- * This backlog is used unless another is explicitly specified.
- * 0xff is the maximum (u8_t).
- */
-#ifndef TCP_DEFAULT_LISTEN_BACKLOG
-#define TCP_DEFAULT_LISTEN_BACKLOG 0xff
-#endif
-
-/**
- * TCP_OVERSIZE: The maximum number of bytes that tcp_write may
- * allocate ahead of time in an attempt to create shorter pbuf chains
- * for transmission. The meaningful range is 0 to TCP_MSS. Some
- * suggested values are:
- *
- * 0: Disable oversized allocation. Each tcp_write() allocates a new
- pbuf (old behaviour).
- * 1: Allocate size-aligned pbufs with minimal excess. Use this if your
- * scatter-gather DMA requires aligned fragments.
- * 128: Limit the pbuf/memory overhead to 20%.
- * TCP_MSS: Try to create unfragmented TCP packets.
- * TCP_MSS/4: Try to create 4 fragments or less per TCP packet.
- */
-#ifndef TCP_OVERSIZE
-#define TCP_OVERSIZE TCP_MSS
-#endif
-
-/**
- * LWIP_TCP_TIMESTAMPS==1: support the TCP timestamp option.
- */
-#ifndef LWIP_TCP_TIMESTAMPS
-#define LWIP_TCP_TIMESTAMPS 0
-#endif
-
-/**
- * TCP_WND_UPDATE_THRESHOLD: difference in window to trigger an
- * explicit window update
- */
-#ifndef TCP_WND_UPDATE_THRESHOLD
-#define TCP_WND_UPDATE_THRESHOLD (TCP_WND / 4)
-#endif
-
-/**
- * LWIP_EVENT_API and LWIP_CALLBACK_API: Only one of these should be set to 1.
- * LWIP_EVENT_API==1: The user defines lwip_tcp_event() to receive all
- * events (accept, sent, etc) that happen in the system.
- * LWIP_CALLBACK_API==1: The PCB callback function is called directly
- * for the event.
- */
-#ifndef LWIP_EVENT_API
-#define LWIP_EVENT_API 0
-#define LWIP_CALLBACK_API 1
-#else
-#define LWIP_EVENT_API 1
-#define LWIP_CALLBACK_API 0
-#endif
-
-
-/*
- ----------------------------------
- ---------- 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.
- */
-#ifndef PBUF_LINK_HLEN
-#define PBUF_LINK_HLEN (14 + ETH_PAD_SIZE)
-#endif
-
-/**
- * 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.
- */
-#ifndef PBUF_POOL_BUFSIZE
-#define PBUF_POOL_BUFSIZE LWIP_MEM_ALIGN_SIZE(TCP_MSS+40+PBUF_LINK_HLEN)
-#endif
-
-/*
- ------------------------------------------------
- ---------- Network Interfaces options ----------
- ------------------------------------------------
-*/
-/**
- * LWIP_NETIF_HOSTNAME==1: use DHCP_OPTION_HOSTNAME with netif's hostname
- * field.
- */
-#ifndef LWIP_NETIF_HOSTNAME
-#define LWIP_NETIF_HOSTNAME 0
-#endif
-
-/**
- * LWIP_NETIF_API==1: Support netif api (in netifapi.c)
- */
-#ifndef LWIP_NETIF_API
-#define LWIP_NETIF_API 0
-#endif
-
-/**
- * LWIP_NETIF_STATUS_CALLBACK==1: Support a callback function whenever an interface
- * changes its up/down status (i.e., due to DHCP IP acquistion)
- */
-#ifndef LWIP_NETIF_STATUS_CALLBACK
-#define LWIP_NETIF_STATUS_CALLBACK 0
-#endif
-
-/**
- * LWIP_NETIF_LINK_CALLBACK==1: Support a callback function from an interface
- * whenever the link changes (i.e., link down)
- */
-#ifndef LWIP_NETIF_LINK_CALLBACK
-#define LWIP_NETIF_LINK_CALLBACK 0
-#endif
-
-/**
- * LWIP_NETIF_HWADDRHINT==1: Cache link-layer-address hints (e.g. table
- * indices) in struct netif. TCP and UDP can make use of this to prevent
- * scanning the ARP table for every sent packet. While this is faster for big
- * ARP tables or many concurrent connections, it might be counterproductive
- * if you have a tiny ARP table or if there never are concurrent connections.
- */
-#ifndef LWIP_NETIF_HWADDRHINT
-#define LWIP_NETIF_HWADDRHINT 0
-#endif
-
-/**
- * LWIP_NETIF_LOOPBACK==1: Support sending packets with a destination IP
- * address equal to the netif IP address, looping them back up the stack.
- */
-#ifndef LWIP_NETIF_LOOPBACK
-#define LWIP_NETIF_LOOPBACK 0
-#endif
-
-/**
- * LWIP_LOOPBACK_MAX_PBUFS: Maximum number of pbufs on queue for loopback
- * sending for each netif (0 = disabled)
- */
-#ifndef LWIP_LOOPBACK_MAX_PBUFS
-#define LWIP_LOOPBACK_MAX_PBUFS 0
-#endif
-
-/**
- * LWIP_NETIF_LOOPBACK_MULTITHREADING: Indicates whether threading is enabled in
- * the system, as netifs must change how they behave depending on this setting
- * for the LWIP_NETIF_LOOPBACK option to work.
- * Setting this is needed to avoid reentering non-reentrant functions like
- * tcp_input().
- * LWIP_NETIF_LOOPBACK_MULTITHREADING==1: Indicates that the user is using a
- * multithreaded environment like tcpip.c. In this case, netif->input()
- * is called directly.
- * LWIP_NETIF_LOOPBACK_MULTITHREADING==0: Indicates a polling (or NO_SYS) setup.
- * The packets are put on a list and netif_poll() must be called in
- * the main application loop.
- */
-#ifndef LWIP_NETIF_LOOPBACK_MULTITHREADING
-#define LWIP_NETIF_LOOPBACK_MULTITHREADING (!NO_SYS)
-#endif
-
-/**
- * LWIP_NETIF_TX_SINGLE_PBUF: if this is set to 1, lwIP tries to put all data
- * to be sent into one single pbuf. This is for compatibility with DMA-enabled
- * MACs that do not support scatter-gather.
- * Beware that this might involve CPU-memcpy before transmitting that would not
- * be needed without this flag! Use this only if you need to!
- *
- * @todo: TCP and IP-frag do not work with this, yet:
- */
-#ifndef LWIP_NETIF_TX_SINGLE_PBUF
-#define LWIP_NETIF_TX_SINGLE_PBUF 0
-#endif /* LWIP_NETIF_TX_SINGLE_PBUF */
-
-/*
- ------------------------------------
- ---------- LOOPIF options ----------
- ------------------------------------
-*/
-/**
- * LWIP_HAVE_LOOPIF==1: Support loop interface (127.0.0.1) and loopif.c
- */
-#ifndef LWIP_HAVE_LOOPIF
-#define LWIP_HAVE_LOOPIF 0
-#endif
-
-/*
- ------------------------------------
- ---------- SLIPIF options ----------
- ------------------------------------
-*/
-/**
- * LWIP_HAVE_SLIPIF==1: Support slip interface and slipif.c
- */
-#ifndef LWIP_HAVE_SLIPIF
-#define LWIP_HAVE_SLIPIF 0
-#endif
-
-/*
- ------------------------------------
- ---------- Thread options ----------
- ------------------------------------
-*/
-/**
- * TCPIP_THREAD_NAME: The name assigned to the main tcpip thread.
- */
-#ifndef TCPIP_THREAD_NAME
-#define TCPIP_THREAD_NAME "tcpip_thread"
-#endif
-
-/**
- * TCPIP_THREAD_STACKSIZE: The stack size used by the main tcpip thread.
- * The stack size value itself is platform-dependent, but is passed to
- * sys_thread_new() when the thread is created.
- */
-#ifndef TCPIP_THREAD_STACKSIZE
-#define TCPIP_THREAD_STACKSIZE 0
-#endif
-
-/**
- * TCPIP_THREAD_PRIO: The priority assigned to the main tcpip thread.
- * The priority value itself is platform-dependent, but is passed to
- * sys_thread_new() when the thread is created.
- */
-#ifndef TCPIP_THREAD_PRIO
-#define TCPIP_THREAD_PRIO 1
-#endif
-
-/**
- * TCPIP_MBOX_SIZE: The mailbox size for the tcpip thread messages
- * The queue size value itself is platform-dependent, but is passed to
- * sys_mbox_new() when tcpip_init is called.
- */
-#ifndef TCPIP_MBOX_SIZE
-#define TCPIP_MBOX_SIZE 0
-#endif
-
-/**
- * SLIPIF_THREAD_NAME: The name assigned to the slipif_loop thread.
- */
-#ifndef SLIPIF_THREAD_NAME
-#define SLIPIF_THREAD_NAME "slipif_loop"
-#endif
-
-/**
- * SLIP_THREAD_STACKSIZE: The stack size used by the slipif_loop thread.
- * The stack size value itself is platform-dependent, but is passed to
- * sys_thread_new() when the thread is created.
- */
-#ifndef SLIPIF_THREAD_STACKSIZE
-#define SLIPIF_THREAD_STACKSIZE 0
-#endif
-
-/**
- * SLIPIF_THREAD_PRIO: The priority assigned to the slipif_loop thread.
- * The priority value itself is platform-dependent, but is passed to
- * sys_thread_new() when the thread is created.
- */
-#ifndef SLIPIF_THREAD_PRIO
-#define SLIPIF_THREAD_PRIO 1
-#endif
-
-/**
- * PPP_THREAD_NAME: The name assigned to the pppInputThread.
- */
-#ifndef PPP_THREAD_NAME
-#define PPP_THREAD_NAME "pppInputThread"
-#endif
-
-/**
- * PPP_THREAD_STACKSIZE: The stack size used by the pppInputThread.
- * The stack size value itself is platform-dependent, but is passed to
- * sys_thread_new() when the thread is created.
- */
-#ifndef PPP_THREAD_STACKSIZE
-#define PPP_THREAD_STACKSIZE 0
-#endif
-
-/**
- * PPP_THREAD_PRIO: The priority assigned to the pppInputThread.
- * The priority value itself is platform-dependent, but is passed to
- * sys_thread_new() when the thread is created.
- */
-#ifndef PPP_THREAD_PRIO
-#define PPP_THREAD_PRIO 1
-#endif
-
-/**
- * DEFAULT_THREAD_NAME: The name assigned to any other lwIP thread.
- */
-#ifndef DEFAULT_THREAD_NAME
-#define DEFAULT_THREAD_NAME "lwIP"
-#endif
-
-/**
- * DEFAULT_THREAD_STACKSIZE: The stack size used by any other lwIP thread.
- * The stack size value itself is platform-dependent, but is passed to
- * sys_thread_new() when the thread is created.
- */
-#ifndef DEFAULT_THREAD_STACKSIZE
-#define DEFAULT_THREAD_STACKSIZE 0
-#endif
-
-/**
- * DEFAULT_THREAD_PRIO: The priority assigned to any other lwIP thread.
- * The priority value itself is platform-dependent, but is passed to
- * sys_thread_new() when the thread is created.
- */
-#ifndef DEFAULT_THREAD_PRIO
-#define DEFAULT_THREAD_PRIO 1
-#endif
-
-/**
- * DEFAULT_RAW_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
- * NETCONN_RAW. The queue size value itself is platform-dependent, but is passed
- * to sys_mbox_new() when the recvmbox is created.
- */
-#ifndef DEFAULT_RAW_RECVMBOX_SIZE
-#define DEFAULT_RAW_RECVMBOX_SIZE 0
-#endif
-
-/**
- * DEFAULT_UDP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
- * NETCONN_UDP. The queue size value itself is platform-dependent, but is passed
- * to sys_mbox_new() when the recvmbox is created.
- */
-#ifndef DEFAULT_UDP_RECVMBOX_SIZE
-#define DEFAULT_UDP_RECVMBOX_SIZE 0
-#endif
-
-/**
- * DEFAULT_TCP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
- * NETCONN_TCP. The queue size value itself is platform-dependent, but is passed
- * to sys_mbox_new() when the recvmbox is created.
- */
-#ifndef DEFAULT_TCP_RECVMBOX_SIZE
-#define DEFAULT_TCP_RECVMBOX_SIZE 0
-#endif
-
-/**
- * DEFAULT_ACCEPTMBOX_SIZE: The mailbox size for the incoming connections.
- * The queue size value itself is platform-dependent, but is passed to
- * sys_mbox_new() when the acceptmbox is created.
- */
-#ifndef DEFAULT_ACCEPTMBOX_SIZE
-#define DEFAULT_ACCEPTMBOX_SIZE 0
-#endif
-
-/*
- ----------------------------------------------
- ---------- Sequential layer options ----------
- ----------------------------------------------
-*/
-/**
- * LWIP_TCPIP_CORE_LOCKING: (EXPERIMENTAL!)
- * Don't use it if you're not an active lwIP project member
- */
-#ifndef LWIP_TCPIP_CORE_LOCKING
-#define LWIP_TCPIP_CORE_LOCKING 0
-#endif
-
-/**
- * LWIP_TCPIP_CORE_LOCKING_INPUT: (EXPERIMENTAL!)
- * Don't use it if you're not an active lwIP project member
- */
-#ifndef LWIP_TCPIP_CORE_LOCKING_INPUT
-#define LWIP_TCPIP_CORE_LOCKING_INPUT 0
-#endif
-
-/**
- * LWIP_NETCONN==1: Enable Netconn API (require to use api_lib.c)
- */
-#ifndef LWIP_NETCONN
-#define LWIP_NETCONN 1
-#endif
-
-/** LWIP_TCPIP_TIMEOUT==1: Enable tcpip_timeout/tcpip_untimeout tod create
- * timers running in tcpip_thread from another thread.
- */
-#ifndef LWIP_TCPIP_TIMEOUT
-#define LWIP_TCPIP_TIMEOUT 1
-#endif
-
-/*
- ------------------------------------
- ---------- Socket options ----------
- ------------------------------------
-*/
-/**
- * LWIP_SOCKET==1: Enable Socket API (require to use sockets.c)
- */
-#ifndef LWIP_SOCKET
-#define LWIP_SOCKET 1
-#endif
-
-/**
- * LWIP_COMPAT_SOCKETS==1: Enable BSD-style sockets functions names.
- * (only used if you use sockets.c)
- */
-#ifndef LWIP_COMPAT_SOCKETS
-#define LWIP_COMPAT_SOCKETS 1
-#endif
-
-/**
- * LWIP_POSIX_SOCKETS_IO_NAMES==1: Enable POSIX-style sockets functions names.
- * Disable this option if you use a POSIX operating system that uses the same
- * names (read, write & close). (only used if you use sockets.c)
- */
-#ifndef LWIP_POSIX_SOCKETS_IO_NAMES
-#define LWIP_POSIX_SOCKETS_IO_NAMES 1
-#endif
-
-/**
- * LWIP_TCP_KEEPALIVE==1: Enable TCP_KEEPIDLE, TCP_KEEPINTVL and TCP_KEEPCNT
- * options processing. Note that TCP_KEEPIDLE and TCP_KEEPINTVL have to be set
- * in seconds. (does not require sockets.c, and will affect tcp.c)
- */
-#ifndef LWIP_TCP_KEEPALIVE
-#define LWIP_TCP_KEEPALIVE 0
-#endif
-
-/**
- * LWIP_SO_RCVTIMEO==1: Enable SO_RCVTIMEO processing.
- */
-#ifndef LWIP_SO_RCVTIMEO
-#define LWIP_SO_RCVTIMEO 0
-#endif
-
-/**
- * LWIP_SO_RCVBUF==1: Enable SO_RCVBUF processing.
- */
-#ifndef LWIP_SO_RCVBUF
-#define LWIP_SO_RCVBUF 0
-#endif
-
-/**
- * If LWIP_SO_RCVBUF is used, this is the default value for recv_bufsize.
- */
-#ifndef RECV_BUFSIZE_DEFAULT
-#define RECV_BUFSIZE_DEFAULT INT_MAX
-#endif
-
-/**
- * SO_REUSE==1: Enable SO_REUSEADDR option.
- */
-#ifndef SO_REUSE
-#define SO_REUSE 0
-#endif
-
-/**
- * SO_REUSE_RXTOALL==1: Pass a copy of incoming broadcast/multicast packets
- * to all local matches if SO_REUSEADDR is turned on.
- * WARNING: Adds a memcpy for every packet if passing to more than one pcb!
- */
-#ifndef SO_REUSE_RXTOALL
-#define SO_REUSE_RXTOALL 0
-#endif
-
-/*
- ----------------------------------------
- ---------- Statistics options ----------
- ----------------------------------------
-*/
-/**
- * LWIP_STATS==1: Enable statistics collection in lwip_stats.
- */
-#ifndef LWIP_STATS
-#define LWIP_STATS 1
-#endif
-
-#if LWIP_STATS
-
-/**
- * LWIP_STATS_DISPLAY==1: Compile in the statistics output functions.
- */
-#ifndef LWIP_STATS_DISPLAY
-#define LWIP_STATS_DISPLAY 0
-#endif
-
-/**
- * LINK_STATS==1: Enable link stats.
- */
-#ifndef LINK_STATS
-#define LINK_STATS 1
-#endif
-
-/**
- * ETHARP_STATS==1: Enable etharp stats.
- */
-#ifndef ETHARP_STATS
-#define ETHARP_STATS (LWIP_ARP)
-#endif
-
-/**
- * IP_STATS==1: Enable IP stats.
- */
-#ifndef IP_STATS
-#define IP_STATS 1
-#endif
-
-/**
- * IPFRAG_STATS==1: Enable IP fragmentation stats. Default is
- * on if using either frag or reass.
- */
-#ifndef IPFRAG_STATS
-#define IPFRAG_STATS (IP_REASSEMBLY || IP_FRAG)
-#endif
-
-/**
- * ICMP_STATS==1: Enable ICMP stats.
- */
-#ifndef ICMP_STATS
-#define ICMP_STATS 1
-#endif
-
-/**
- * IGMP_STATS==1: Enable IGMP stats.
- */
-#ifndef IGMP_STATS
-#define IGMP_STATS (LWIP_IGMP)
-#endif
-
-/**
- * UDP_STATS==1: Enable UDP stats. Default is on if
- * UDP enabled, otherwise off.
- */
-#ifndef UDP_STATS
-#define UDP_STATS (LWIP_UDP)
-#endif
-
-/**
- * TCP_STATS==1: Enable TCP stats. Default is on if TCP
- * enabled, otherwise off.
- */
-#ifndef TCP_STATS
-#define TCP_STATS (LWIP_TCP)
-#endif
-
-/**
- * MEM_STATS==1: Enable mem.c stats.
- */
-#ifndef MEM_STATS
-#define MEM_STATS ((MEM_LIBC_MALLOC == 0) && (MEM_USE_POOLS == 0))
-#endif
-
-/**
- * MEMP_STATS==1: Enable memp.c pool stats.
- */
-#ifndef MEMP_STATS
-#define MEMP_STATS (MEMP_MEM_MALLOC == 0)
-#endif
-
-/**
- * SYS_STATS==1: Enable system stats (sem and mbox counts, etc).
- */
-#ifndef SYS_STATS
-#define SYS_STATS (NO_SYS == 0)
-#endif
-
-#else
-
-#define LINK_STATS 0
-#define IP_STATS 0
-#define IPFRAG_STATS 0
-#define ICMP_STATS 0
-#define IGMP_STATS 0
-#define UDP_STATS 0
-#define TCP_STATS 0
-#define MEM_STATS 0
-#define MEMP_STATS 0
-#define SYS_STATS 0
-#define LWIP_STATS_DISPLAY 0
-
-#endif /* LWIP_STATS */
-
-/*
- ---------------------------------
- ---------- PPP options ----------
- ---------------------------------
-*/
-/**
- * PPP_SUPPORT==1: Enable PPP.
- */
-#ifndef PPP_SUPPORT
-#define PPP_SUPPORT 0
-#endif
-
-/**
- * PPPOE_SUPPORT==1: Enable PPP Over Ethernet
- */
-#ifndef PPPOE_SUPPORT
-#define PPPOE_SUPPORT 0
-#endif
-
-/**
- * PPPOS_SUPPORT==1: Enable PPP Over Serial
- */
-#ifndef PPPOS_SUPPORT
-#define PPPOS_SUPPORT PPP_SUPPORT
-#endif
-
-#if PPP_SUPPORT
-
-/**
- * NUM_PPP: Max PPP sessions.
- */
-#ifndef NUM_PPP
-#define NUM_PPP 1
-#endif
-
-/**
- * PAP_SUPPORT==1: Support PAP.
- */
-#ifndef PAP_SUPPORT
-#define PAP_SUPPORT 0
-#endif
-
-/**
- * CHAP_SUPPORT==1: Support CHAP.
- */
-#ifndef CHAP_SUPPORT
-#define CHAP_SUPPORT 0
-#endif
-
-/**
- * MSCHAP_SUPPORT==1: Support MSCHAP. CURRENTLY NOT SUPPORTED! DO NOT SET!
- */
-#ifndef MSCHAP_SUPPORT
-#define MSCHAP_SUPPORT 0
-#endif
-
-/**
- * CBCP_SUPPORT==1: Support CBCP. CURRENTLY NOT SUPPORTED! DO NOT SET!
- */
-#ifndef CBCP_SUPPORT
-#define CBCP_SUPPORT 0
-#endif
-
-/**
- * CCP_SUPPORT==1: Support CCP. CURRENTLY NOT SUPPORTED! DO NOT SET!
- */
-#ifndef CCP_SUPPORT
-#define CCP_SUPPORT 0
-#endif
-
-/**
- * VJ_SUPPORT==1: Support VJ header compression.
- */
-#ifndef VJ_SUPPORT
-#define VJ_SUPPORT 0
-#endif
-
-/**
- * MD5_SUPPORT==1: Support MD5 (see also CHAP).
- */
-#ifndef MD5_SUPPORT
-#define MD5_SUPPORT 0
-#endif
-
-/*
- * Timeouts
- */
-#ifndef FSM_DEFTIMEOUT
-#define FSM_DEFTIMEOUT 6 /* Timeout time in seconds */
-#endif
-
-#ifndef FSM_DEFMAXTERMREQS
-#define FSM_DEFMAXTERMREQS 2 /* Maximum Terminate-Request transmissions */
-#endif
-
-#ifndef FSM_DEFMAXCONFREQS
-#define FSM_DEFMAXCONFREQS 10 /* Maximum Configure-Request transmissions */
-#endif
-
-#ifndef FSM_DEFMAXNAKLOOPS
-#define FSM_DEFMAXNAKLOOPS 5 /* Maximum number of nak loops */
-#endif
-
-#ifndef UPAP_DEFTIMEOUT
-#define UPAP_DEFTIMEOUT 6 /* Timeout (seconds) for retransmitting req */
-#endif
-
-#ifndef UPAP_DEFREQTIME
-#define UPAP_DEFREQTIME 30 /* Time to wait for auth-req from peer */
-#endif
-
-#ifndef CHAP_DEFTIMEOUT
-#define CHAP_DEFTIMEOUT 6 /* Timeout time in seconds */
-#endif
-
-#ifndef CHAP_DEFTRANSMITS
-#define CHAP_DEFTRANSMITS 10 /* max # times to send challenge */
-#endif
-
-/* Interval in seconds between keepalive echo requests, 0 to disable. */
-#ifndef LCP_ECHOINTERVAL
-#define LCP_ECHOINTERVAL 0
-#endif
-
-/* Number of unanswered echo requests before failure. */
-#ifndef LCP_MAXECHOFAILS
-#define LCP_MAXECHOFAILS 3
-#endif
-
-/* Max Xmit idle time (in jiffies) before resend flag char. */
-#ifndef PPP_MAXIDLEFLAG
-#define PPP_MAXIDLEFLAG 100
-#endif
-
-/*
- * Packet sizes
- *
- * Note - lcp shouldn't be allowed to negotiate stuff outside these
- * limits. See lcp.h in the pppd directory.
- * (XXX - these constants should simply be shared by lcp.c instead
- * of living in lcp.h)
- */
-#define PPP_MTU 1500 /* Default MTU (size of Info field) */
-#ifndef PPP_MAXMTU
-/* #define PPP_MAXMTU 65535 - (PPP_HDRLEN + PPP_FCSLEN) */
-#define PPP_MAXMTU 1500 /* Largest MTU we allow */
-#endif
-#define PPP_MINMTU 64
-#define PPP_MRU 1500 /* default MRU = max length of info field */
-#define PPP_MAXMRU 1500 /* Largest MRU we allow */
-#ifndef PPP_DEFMRU
-#define PPP_DEFMRU 296 /* Try for this */
-#endif
-#define PPP_MINMRU 128 /* No MRUs below this */
-
-#ifndef MAXNAMELEN
-#define MAXNAMELEN 256 /* max length of hostname or name for auth */
-#endif
-#ifndef MAXSECRETLEN
-#define MAXSECRETLEN 256 /* max length of password or secret */
-#endif
-
-#endif /* PPP_SUPPORT */
-
-/*
- --------------------------------------
- ---------- Checksum options ----------
- --------------------------------------
-*/
-/**
- * CHECKSUM_GEN_IP==1: Generate checksums in software for outgoing IP packets.
- */
-#ifndef CHECKSUM_GEN_IP
-#define CHECKSUM_GEN_IP 1
-#endif
-
-/**
- * CHECKSUM_GEN_UDP==1: Generate checksums in software for outgoing UDP packets.
- */
-#ifndef CHECKSUM_GEN_UDP
-#define CHECKSUM_GEN_UDP 1
-#endif
-
-/**
- * CHECKSUM_GEN_TCP==1: Generate checksums in software for outgoing TCP packets.
- */
-#ifndef CHECKSUM_GEN_TCP
-#define CHECKSUM_GEN_TCP 1
-#endif
-
-/**
- * CHECKSUM_CHECK_IP==1: Check checksums in software for incoming IP packets.
- */
-#ifndef CHECKSUM_CHECK_IP
-#define CHECKSUM_CHECK_IP 1
-#endif
-
-/**
- * CHECKSUM_CHECK_UDP==1: Check checksums in software for incoming UDP packets.
- */
-#ifndef CHECKSUM_CHECK_UDP
-#define CHECKSUM_CHECK_UDP 1
-#endif
-
-/**
- * CHECKSUM_CHECK_TCP==1: Check checksums in software for incoming TCP packets.
- */
-#ifndef CHECKSUM_CHECK_TCP
-#define CHECKSUM_CHECK_TCP 1
-#endif
-
-/**
- * LWIP_CHECKSUM_ON_COPY==1: Calculate checksum when copying data from
- * application buffers to pbufs.
- */
-#ifndef LWIP_CHECKSUM_ON_COPY
-#define LWIP_CHECKSUM_ON_COPY 0
-#endif
-
-/*
- ---------------------------------------
- ---------- Debugging options ----------
- ---------------------------------------
-*/
-/**
- * LWIP_DBG_MIN_LEVEL: After masking, the value of the debug is
- * compared against this value. If it is smaller, then debugging
- * messages are written.
- */
-#ifndef LWIP_DBG_MIN_LEVEL
-#define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_ALL
-#endif
-
-/**
- * LWIP_DBG_TYPES_ON: A mask that can be used to globally enable/disable
- * debug messages of certain types.
- */
-#ifndef LWIP_DBG_TYPES_ON
-#define LWIP_DBG_TYPES_ON LWIP_DBG_ON
-#endif
-
-/**
- * ETHARP_DEBUG: Enable debugging in etharp.c.
- */
-#ifndef ETHARP_DEBUG
-#define ETHARP_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * NETIF_DEBUG: Enable debugging in netif.c.
- */
-#ifndef NETIF_DEBUG
-#define NETIF_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * PBUF_DEBUG: Enable debugging in pbuf.c.
- */
-#ifndef PBUF_DEBUG
-#define PBUF_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * API_LIB_DEBUG: Enable debugging in api_lib.c.
- */
-#ifndef API_LIB_DEBUG
-#define API_LIB_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * API_MSG_DEBUG: Enable debugging in api_msg.c.
- */
-#ifndef API_MSG_DEBUG
-#define API_MSG_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * SOCKETS_DEBUG: Enable debugging in sockets.c.
- */
-#ifndef SOCKETS_DEBUG
-#define SOCKETS_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * ICMP_DEBUG: Enable debugging in icmp.c.
- */
-#ifndef ICMP_DEBUG
-#define ICMP_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * IGMP_DEBUG: Enable debugging in igmp.c.
- */
-#ifndef IGMP_DEBUG
-#define IGMP_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * INET_DEBUG: Enable debugging in inet.c.
- */
-#ifndef INET_DEBUG
-#define INET_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * IP_DEBUG: Enable debugging for IP.
- */
-#ifndef IP_DEBUG
-#define IP_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * IP_REASS_DEBUG: Enable debugging in ip_frag.c for both frag & reass.
- */
-#ifndef IP_REASS_DEBUG
-#define IP_REASS_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * RAW_DEBUG: Enable debugging in raw.c.
- */
-#ifndef RAW_DEBUG
-#define RAW_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * MEM_DEBUG: Enable debugging in mem.c.
- */
-#ifndef MEM_DEBUG
-#define MEM_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * MEMP_DEBUG: Enable debugging in memp.c.
- */
-#ifndef MEMP_DEBUG
-#define MEMP_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * SYS_DEBUG: Enable debugging in sys.c.
- */
-#ifndef SYS_DEBUG
-#define SYS_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * TIMERS_DEBUG: Enable debugging in timers.c.
- */
-#ifndef TIMERS_DEBUG
-#define TIMERS_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * TCP_DEBUG: Enable debugging for TCP.
- */
-#ifndef TCP_DEBUG
-#define TCP_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * TCP_INPUT_DEBUG: Enable debugging in tcp_in.c for incoming debug.
- */
-#ifndef TCP_INPUT_DEBUG
-#define TCP_INPUT_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * TCP_FR_DEBUG: Enable debugging in tcp_in.c for fast retransmit.
- */
-#ifndef TCP_FR_DEBUG
-#define TCP_FR_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * TCP_RTO_DEBUG: Enable debugging in TCP for retransmit
- * timeout.
- */
-#ifndef TCP_RTO_DEBUG
-#define TCP_RTO_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * TCP_CWND_DEBUG: Enable debugging for TCP congestion window.
- */
-#ifndef TCP_CWND_DEBUG
-#define TCP_CWND_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * TCP_WND_DEBUG: Enable debugging in tcp_in.c for window updating.
- */
-#ifndef TCP_WND_DEBUG
-#define TCP_WND_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * TCP_OUTPUT_DEBUG: Enable debugging in tcp_out.c output functions.
- */
-#ifndef TCP_OUTPUT_DEBUG
-#define TCP_OUTPUT_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * TCP_RST_DEBUG: Enable debugging for TCP with the RST message.
- */
-#ifndef TCP_RST_DEBUG
-#define TCP_RST_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * TCP_QLEN_DEBUG: Enable debugging for TCP queue lengths.
- */
-#ifndef TCP_QLEN_DEBUG
-#define TCP_QLEN_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * UDP_DEBUG: Enable debugging in UDP.
- */
-#ifndef UDP_DEBUG
-#define UDP_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * TCPIP_DEBUG: Enable debugging in tcpip.c.
- */
-#ifndef TCPIP_DEBUG
-#define TCPIP_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * PPP_DEBUG: Enable debugging for PPP.
- */
-#ifndef PPP_DEBUG
-#define PPP_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * SLIP_DEBUG: Enable debugging in slipif.c.
- */
-#ifndef SLIP_DEBUG
-#define SLIP_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * DHCP_DEBUG: Enable debugging in dhcp.c.
- */
-#ifndef DHCP_DEBUG
-#define DHCP_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * AUTOIP_DEBUG: Enable debugging in autoip.c.
- */
-#ifndef AUTOIP_DEBUG
-#define AUTOIP_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * SNMP_MSG_DEBUG: Enable debugging for SNMP messages.
- */
-#ifndef SNMP_MSG_DEBUG
-#define SNMP_MSG_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * SNMP_MIB_DEBUG: Enable debugging for SNMP MIBs.
- */
-#ifndef SNMP_MIB_DEBUG
-#define SNMP_MIB_DEBUG LWIP_DBG_OFF
-#endif
-
-/**
- * DNS_DEBUG: Enable debugging for DNS.
- */
-#ifndef DNS_DEBUG
-#define DNS_DEBUG LWIP_DBG_OFF
-#endif
-
-#endif /* __LWIP_OPT_H__ */