Good evening,
Is there any reason why I need to fragment the outgoing packet myself? I
guess it has something to do with the memory allocation but I can't put my
finger on it.
If I set TCP_BLOCKS_SIZE in the code below to KB(14) I receive the data I
requested on the client side, however if I set TCP_BLOCK_SIZE to KB(15) I
won't get any of the requested data or an assertion.
#define KB(x) (1024 * (x))
#define TCP_BLOCK_SIZE KB(14)
#if 1
// send the content in blocks
for (; wrote >= 0 && idx < length; idx += wrote)
wrote = write(m_nSocket, (buffer + idx), ((length -
idx) >=
TCP_BLOCK_SIZE) ? TCP_BLOCK_SIZE : (length - idx));
#else
idx = write(m_nSocket, buffer, length);
#endif/*
* 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 <a...@sics.se>
*
*/
#ifndef __LWIPOPTS_H__
#define __LWIPOPTS_H__
// include Altera system configuraion
// #include <system.h> see CONF_LWIP for set config
#define CONF_LWIP_CHECKSUM_CHECK_IP 1
#define CONF_LWIP_CHECKSUM_CHECK_TCP 1
#define CONF_LWIP_CHECKSUM_CHECK_UDP 1
#define CONF_LWIP_CHECKSUM_GEN_IP 1
#define CONF_LWIP_CHECKSUM_GEN_TCP 1
#define CONF_LWIP_CHECKSUM_GEN_UDP 1
#define CONF_LWIP_DEFAULT_TTL 64
#define CONF_LWIP_IP_FORWARD 0
#define CONF_LWIP_LOOPBACK 0
#define CONF_LWIP_LOOPBACKIF 0
#define CONF_LWIP_MEM_SIZE 16000
#define CONF_LWIP_OVERFLOW_CHECK 0
#define CONF_LWIP_PBUF_COUNT 64
#define CONF_LWIP_PROTO_AUTOIP 0
#define CONF_LWIP_PROTO_DHCP 1
#define CONF_LWIP_PROTO_DNS 0
#define CONF_LWIP_PROTO_ICMP 1
#define CONF_LWIP_PROTO_IGMP 0
#define CONF_LWIP_PROTO_SNMP 0
#define CONF_LWIP_PROTO_TCP 1
#define CONF_LWIP_PROTO_UDP 1
#define CONF_LWIP_PROTO_VLAN 0
#define CONF_LWIP_RAW_PCB 4
#define CONF_LWIP_STATS 1
#define CONF_LWIP_TCP_PCB 20
#define CONF_LWIP_TCP_PCB_LISTEN 10
#define CONF_LWIP_UDP_PCB 20
// Altera TSE requires 2 byte padding for use with lwIP!
#define ETH_PAD_SIZE 2
#include <sys/time.h>
#include "lwip/debug.h"
/*
-----------------------------------------------
---------- Platform specific locking ----------
-----------------------------------------------
*/
//#define LWIP_NOASSERT 1
#define LWIP_DEBUG 1
/**
* 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 1
/**
* NO_SYS==1: Provides VERY minimal functionality. Otherwise,
* use lwIP facilities.
*/
#define NO_SYS 0
#define NO_SYS_NO_TIMERS 1
/**
* MEMCPY: override this if you have a faster implementation at hand than the
* one included in your C library
*/
#define MEMCPY(dst,src,len) memcpy(dst,src,len)
/**
* 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.
*/
#define SMEMCPY(dst,src,len) memcpy(dst,src,len)
/*
------------------------------------
---------- 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.
*/
#define MEM_LIBC_MALLOC 0
/**
* 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!
*/
#define MEMP_MEM_MALLOC 0
/**
* 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 4
/**
* MEM_SIZE: the size of the heap memory. If the application will send
* a lot of data that needs to be copied, this should be set high.
*/
#define MEM_SIZE
CONF_LWIP_MEM_SIZE
/**
* 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!)
*/
#define MEMP_OVERFLOW_CHECK CONF_LWIP_OVERFLOW_CHECK
/**
* MEMP_SANITY_CHECK==1: run a sanity check after each memp_free() to make
* sure that there are no cycles in the linked lists.
*/
#define MEMP_SANITY_CHECK 0
/**
* 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.
*/
#define MEM_USE_POOLS 0
/**
* 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. */
#define MEM_USE_POOLS_TRY_BIGGER_POOL 0
/**
* 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.
*/
#define MEMP_USE_CUSTOM_POOLS 0
/**
* 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);
*/
#define LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT 0
/*
------------------------------------------------
---------- 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 CONF_LWIP_PBUF_COUNT
/**
* MEMP_NUM_RAW_PCB: Number of raw connection PCBs
* (requires the LWIP_RAW option)
*/
#define MEMP_NUM_RAW_PCB CONF_LWIP_RAW_PCB
/**
* 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 CONF_LWIP_UDP_PCB
/**
* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP connections.
* (requires the LWIP_TCP option)
*/
#define MEMP_NUM_TCP_PCB CONF_LWIP_TCP_PCB
/**
* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP connections.
* (requires the LWIP_TCP option)
*/
#define MEMP_NUM_TCP_PCB_LISTEN CONF_LWIP_TCP_PCB_LISTEN
/**
* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP segments.
* (requires the LWIP_TCP option)
*/
#define MEMP_NUM_TCP_SEG 256
/**
* MEMP_NUM_REASSDATA: the number of simultaneously IP packets queued for
* reassembly (whole packets, not fragments!)
*/
#define MEMP_NUM_REASSDATA 5
/**
* 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 30
/**
* 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)
*/
#define MEMP_NUM_IGMP_GROUP 8
/**
* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active timeouts.
* (requires NO_SYS==0)
*/
#define MEMP_NUM_SYS_TIMEOUT 10
/**
* MEMP_NUM_NETBUF: the number of struct netbufs.
* (only needed if you use the sequential API, like api_lib.c)
*/
#define MEMP_NUM_NETBUF (CONF_LWIP_RAW_PCB + CONF_LWIP_UDP_PCB
+ CONF_LWIP_TCP_PCB + CONF_LWIP_TCP_PCB_LISTEN)
/**
* MEMP_NUM_NETCONN: the number of struct netconns.
* (only needed if you use the sequential API, like api_lib.c)
*/
#define MEMP_NUM_NETCONN (CONF_LWIP_RAW_PCB + CONF_LWIP_UDP_PCB
+ CONF_LWIP_TCP_PCB + CONF_LWIP_TCP_PCB_LISTEN)
/*
---------------------------------
---------- ARP options ----------
---------------------------------
*/
/**
* LWIP_ARP==1: Enable ARP functionality.
*/
#define LWIP_ARP 1
/**
* ARP_TABLE_SIZE: Number of active MAC-IP address pairs cached.
*/
#define ARP_TABLE_SIZE 25
/**
* ARP_QUEUEING==1: Outgoing packets are queued during hardware address
* resolution.
*/
#define ARP_QUEUEING 1
/**
* 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.
*/
#define ETHARP_TRUST_IP_MAC 1
/**
* 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.
*/
#define ETHARP_SUPPORT_VLAN CONF_LWIP_PROTO_VLAN
/*
--------------------------------
---------- 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 CONF_LWIP_IP_FORWARD
/**
* 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).
*/
#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 10
/**
* 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 1
/**
* IP_FRAG_MAX_MTU: Assumed max MTU on any interface for IP frag buffer
* (requires IP_FRAG_USES_STATIC_BUF==1)
*/
#define IP_FRAG_MAX_MTU 1500
/**
* IP_DEFAULT_TTL: Default value for Time-To-Live used by transport layers.
*/
#define IP_DEFAULT_TTL CONF_LWIP_DEFAULT_TTL
/**
* IP_SOF_BROADCAST=1: Use the SOF_BROADCAST field to enable broadcast
* filter per pcb on udp and raw send operations. To enable broadcast filter
* on recv operations, you also have to set IP_SOF_BROADCAST_RECV=1.
*/
#define IP_SOF_BROADCAST 0
/**
* IP_SOF_BROADCAST_RECV (requires IP_SOF_BROADCAST=1) enable the broadcast
* filter on recv operations.
*/
#define IP_SOF_BROADCAST_RECV 0
/*
----------------------------------
---------- 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 CONF_LWIP_PROTO_ICMP
/**
* ICMP_TTL: Default value for Time-To-Live used by ICMP packets.
*/
#define ICMP_TTL (IP_DEFAULT_TTL)
/**
* LWIP_BROADCAST_PING==1: respond to broadcast pings (default is unicast only)
*/
#define LWIP_BROADCAST_PING 0
/**
* LWIP_MULTICAST_PING==1: respond to multicast pings (default is unicast only)
*/
#define LWIP_MULTICAST_PING 0
/*
---------------------------------
---------- RAW options ----------
---------------------------------
*/
/**
* LWIP_RAW==1: Enable application layer to hook into the IP layer itself.
*/
#define LWIP_RAW 1
/**
* LWIP_RAW==1: Enable application layer to hook into the IP layer itself.
*/
#define RAW_TTL (IP_DEFAULT_TTL)
/*
----------------------------------
---------- DHCP options ----------
----------------------------------
*/
/**
* LWIP_DHCP==1: Enable DHCP module.
*/
#define LWIP_DHCP CONF_LWIP_PROTO_DHCP
/**
* DHCP_DOES_ARP_CHECK==1: Do an ARP check on the offered address.
*/
#define DHCP_DOES_ARP_CHECK ((LWIP_DHCP) && (LWIP_ARP))
/*
------------------------------------
---------- AUTOIP options ----------
------------------------------------
*/
/**
* LWIP_AUTOIP==1: Enable AUTOIP module.
*/
#define LWIP_AUTOIP CONF_LWIP_PROTO_AUTOIP
/**
* LWIP_DHCP_AUTOIP_COOP==1: Allow DHCP and AUTOIP to be both enabled on
* the same interface at the same time.
*/
#define LWIP_DHCP_AUTOIP_COOP 0
/**
* 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.
*/
#define LWIP_DHCP_AUTOIP_COOP_TRIES 9
/*
----------------------------------
---------- SNMP options ----------
----------------------------------
*/
/**
* LWIP_SNMP==1: Turn on SNMP module. UDP must be available for SNMP
* transport.
*/
#define LWIP_SNMP CONF_LWIP_PROTO_SNMP
/**
* SNMP_CONCURRENT_REQUESTS: Number of concurrent requests the module will
* allow. At least one request buffer is required.
*/
#define SNMP_CONCURRENT_REQUESTS 1
/**
* SNMP_TRAP_DESTINATIONS: Number of trap destinations. At least one trap
* destination is required
*/
#define SNMP_TRAP_DESTINATIONS 1
/**
* SNMP_PRIVATE_MIB:
*/
#define SNMP_PRIVATE_MIB 0
/**
* 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!
*/
#define SNMP_SAFE_REQUESTS 1
/*
----------------------------------
---------- IGMP options ----------
----------------------------------
*/
/**
* LWIP_IGMP==1: Turn on IGMP module.
*/
#define LWIP_IGMP CONF_LWIP_PROTO_IGMP
/*
----------------------------------
---------- DNS options -----------
----------------------------------
*/
/**
* LWIP_DNS==1: Turn on DNS module. UDP must be available for DNS
* transport.
*/
#define LWIP_DNS CONF_LWIP_PROTO_DNS
/** DNS maximum number of entries to maintain locally. */
#define DNS_TABLE_SIZE 4
/** DNS maximum host name length supported in the name table. */
#define DNS_MAX_NAME_LENGTH 256
/** The maximum of DNS servers */
#define DNS_MAX_SERVERS 2
/** DNS do a name checking between the query and the response. */
#define DNS_DOES_NAME_CHECK 1
/** DNS use a local buffer if DNS_USES_STATIC_BUF=0, a static one if
DNS_USES_STATIC_BUF=1, or a dynamic one if DNS_USES_STATIC_BUF=2.
The buffer will be of size DNS_MSG_SIZE */
#define DNS_USES_STATIC_BUF 1
/** DNS message max. size. Default value is RFC compliant. */
#define DNS_MSG_SIZE 512
/** 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.
*/
#define DNS_LOCAL_HOSTLIST 0
/** If this is turned on, the local host-list can be dynamically changed
* at runtime. */
#define DNS_LOCAL_HOSTLIST_IS_DYNAMIC 0
/*
---------------------------------
---------- UDP options ----------
---------------------------------
*/
/**
* LWIP_UDP==1: Turn on UDP.
*/
#define LWIP_UDP CONF_LWIP_PROTO_UDP
/**
* LWIP_UDPLITE==1: Turn on UDP-Lite. (Requires LWIP_UDP)
*/
#define LWIP_UDPLITE 0
/**
* UDP_TTL: Default Time-To-Live value.
*/
#define UDP_TTL (IP_DEFAULT_TTL)
/*
---------------------------------
---------- TCP options ----------
---------------------------------
*/
/**
* LWIP_TCP==1: Turn on TCP.
*/
#define LWIP_TCP CONF_LWIP_PROTO_TCP
/**
* TCP_TTL: Default Time-To-Live value.
*/
#define TCP_TTL (IP_DEFAULT_TTL)
/**
* TCP_WND: The size of a TCP window. This must be at least
* (2 * TCP_MSS) for things to work well
*/
#define TCP_WND 4096
/**
* TCP_MAXRTX: Maximum number of retransmissions of data segments.
*/
#define TCP_MAXRTX 12
/**
* TCP_SYNMAXRTX: Maximum number of retransmissions of SYN segments.
*/
#define TCP_SYNMAXRTX 6
/**
* TCP_QUEUE_OOSEQ==1: TCP will queue segments that arrive out of order.
* Define to 0 if your device is low on memory.
*/
#define TCP_QUEUE_OOSEQ (LWIP_TCP)
/**
* TCP_MSS: TCP Maximum segment size. (default is 128, a *very*
* conservative default.)
* 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.
*/
#define TCP_MSS (TCP_WND / 4)
/**
* 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.
*/
#define TCP_CALCULATE_EFF_SEND_MSS 1
/**
* TCP_SND_BUF: TCP sender buffer space (bytes).
*/
#define TCP_SND_BUF (TCP_WND * 8)
/**
* 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.
*/
#define TCP_SND_QUEUELEN (4 * (TCP_SND_BUF)/(TCP_MSS))
/**
* TCP_SNDLOWAT: TCP writable space (bytes). This must be less than or equal
* to TCP_SND_BUF. It is the amount of space which must be available in the
* TCP snd_buf for select to return writable.
*/
#define TCP_SNDLOWAT ((TCP_SND_BUF)/2)
/**
* TCP_LISTEN_BACKLOG: Enable the backlog option for tcp listen pcb.
*/
#define TCP_LISTEN_BACKLOG 0
/**
* The maximum allowed backlog for TCP listen netconns.
* This backlog is used unless another is explicitly specified.
* 0xff is the maximum (u8_t).
*/
#define TCP_DEFAULT_LISTEN_BACKLOG 0xff
/**
* LWIP_TCP_TIMESTAMPS==1: support the TCP timestamp option.
*/
#define LWIP_TCP_TIMESTAMPS 0
/**
* TCP_WND_UPDATE_THRESHOLD: difference in window to trigger an
* explicit window update
*/
#define TCP_WND_UPDATE_THRESHOLD (TCP_WND / 4)
/**
* 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.
*/
//#define LWIP_EVENT_API 1
#define LWIP_CALLBACK_API 1
/*
----------------------------------
---------- 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 14
/**
* 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+ETH_PAD_SIZE)
/*
------------------------------------------------
---------- Network Interfaces options ----------
------------------------------------------------
*/
/**
* LWIP_NETIF_HOSTNAME==1: use DHCP_OPTION_HOSTNAME with netif's hostname
* field.
*/
#define LWIP_NETIF_HOSTNAME 1
/**
* LWIP_NETIF_API==1: Support netif api (in netifapi.c)
*/
#define LWIP_NETIF_API 0
/**
* LWIP_NETIF_STATUS_CALLBACK==1: Support a callback function whenever an
interface
* changes its up/down status (i.e., due to DHCP IP acquistion)
*/
#define LWIP_NETIF_STATUS_CALLBACK 1
/**
* LWIP_NETIF_LINK_CALLBACK==1: Support a callback function from an interface
* whenever the link changes (i.e., link down)
*/
#define LWIP_NETIF_LINK_CALLBACK 1
/**
* 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.
*/
#define LWIP_NETIF_HWADDRHINT 1
/**
* LWIP_NETIF_LOOPBACK==1: Support sending packets with a destination IP
* address equal to the netif IP address, looping them back up the stack.
*/
#define LWIP_NETIF_LOOPBACK CONF_LWIP_LOOPBACK
/**
* LWIP_LOOPBACK_MAX_PBUFS: Maximum number of pbufs on queue for loopback
* sending for each netif (0 = disabled)
*/
#define LWIP_LOOPBACK_MAX_PBUFS 0
/**
* 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.
*/
#define LWIP_NETIF_LOOPBACK_MULTITHREADING (!NO_SYS)
/**
* 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:
*/
#define LWIP_NETIF_TX_SINGLE_PBUF 0
/*
------------------------------------
---------- LOOPIF options ----------
------------------------------------
*/
/**
* LWIP_HAVE_LOOPIF==1: Support loop interface (127.0.0.1) and loopif.c
*/
#define LWIP_HAVE_LOOPIF CONF_LWIP_LOOPBACKIF
/*
------------------------------------
---------- SLIPIF options ----------
------------------------------------
*/
/**
* LWIP_HAVE_SLIPIF==1: Support slip interface and slipif.c
*/
#define LWIP_HAVE_SLIPIF 0
/*
------------------------------------
---------- Thread options ----------
------------------------------------
*/
/**
* TCPIP_THREAD_NAME: The name assigned to the main tcpip thread.
*/
#define TCPIP_THREAD_NAME "LwIP - TCP/IP"
/**
* 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.
*/
#define TCPIP_THREAD_STACKSIZE KB(8)
/**
* 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.
*/
#define TCPIP_THREAD_PRIO (configMAX_PRIORITIES - 2)
/**
* 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.
*/
#define TCPIP_MBOX_SIZE KB(4)
/**
* SLIPIF_THREAD_NAME: The name assigned to the slipif_loop thread.
*/
#define SLIPIF_THREAD_NAME "slipif_loop"
/**
* 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.
*/
#define SLIPIF_THREAD_STACKSIZE 0
/**
* 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.
*/
#define SLIPIF_THREAD_PRIO 1
/**
* PPP_THREAD_NAME: The name assigned to the pppMain thread.
*/
#define PPP_THREAD_NAME "pppMain"
/**
* PPP_THREAD_STACKSIZE: The stack size used by the pppMain thread.
* The stack size value itself is platform-dependent, but is passed to
* sys_thread_new() when the thread is created.
*/
#define PPP_THREAD_STACKSIZE 0
/**
* PPP_THREAD_PRIO: The priority assigned to the pppMain thread.
* The priority value itself is platform-dependent, but is passed to
* sys_thread_new() when the thread is created.
*/
#define PPP_THREAD_PRIO 1
/**
* DEFAULT_THREAD_NAME: The name assigned to any other lwIP thread.
*/
#define DEFAULT_THREAD_NAME "lwIP"
/**
* 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.
*/
#define DEFAULT_THREAD_STACKSIZE TCPIP_THREAD_STACKSIZE
/**
* 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.
*/
#define DEFAULT_THREAD_PRIO TCPIP_THREAD_PRIO
/**
* 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.
*/
#define DEFAULT_RAW_RECVMBOX_SIZE KB(4)
/**
* 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.
*/
#define DEFAULT_UDP_RECVMBOX_SIZE KB(4)
/**
* 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.
*/
#define DEFAULT_TCP_RECVMBOX_SIZE KB(4)
/**
* 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.
*/
#define DEFAULT_ACCEPTMBOX_SIZE KB(2)
/*
----------------------------------------------
---------- Sequential layer options ----------
----------------------------------------------
*/
/**
* LWIP_TCPIP_CORE_LOCKING: (EXPERIMENTAL!)
* Don't use it if you're not an active lwIP project member
*/
#define LWIP_TCPIP_CORE_LOCKING 0
/**
* LWIP_NETCONN==1: Enable Netconn API (require to use api_lib.c)
*/
#define LWIP_NETCONN 1
/*
------------------------------------
---------- Socket options ----------
------------------------------------
*/
/**
* LWIP_SOCKET==1: Enable Socket API (require to use sockets.c)
*/
#define LWIP_SOCKET 1
/**
* LWIP_COMPAT_SOCKETS==1: Enable BSD-style sockets functions names.
* (only used if you use sockets.c)
*/
#define LWIP_COMPAT_SOCKETS 1
/**
* LWIP_SOCKET_OFFSET==n: Increases the file descriptor number created by LwIP
with n.
* This can be usefull when there are multiple API's which create file
descriptors.
* When they all start with a different offset and you won't make them overlap
you can
* re implement read/write/close/ioctl/fnctl to send the requested action to
the right
* library.
*/
#define LWIP_SOCKET_OFFSET (ALT_MAX_FD)
/**
* 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)
*/
#define LWIP_POSIX_SOCKETS_IO_NAMES 0
/**
* 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)
*/
#define LWIP_TCP_KEEPALIVE 1
/**
* LWIP_SO_RCVTIMEO==1: Enable SO_RCVTIMEO processing.
*/
#define LWIP_SO_RCVTIMEO 1
/**
* LWIP_SO_RCVBUF==1: Enable SO_RCVBUF processing.
*/
#define LWIP_SO_RCVBUF 0
#define LWIP_TIMEVAL_PRIVATE 0
/**
* If LWIP_SO_RCVBUF is used, this is the default value for recv_bufsize.
*/
#define RECV_BUFSIZE_DEFAULT INT_MAX
/**
* SO_REUSE==1: Enable SO_REUSEADDR and SO_REUSEPORT options. DO NOT USE!
*/
#define SO_REUSE 0
/*
----------------------------------------
---------- Statistics options ----------
----------------------------------------
*/
/**
* LWIP_STATS==1: Enable statistics collection in lwip_stats.
*/
#define LWIP_STATS CONF_LWIP_STATS
#define LWIP_STATS_LARGE 1
#if LWIP_STATS
/**
* LWIP_STATS_DISPLAY==1: Compile in the statistics output functions.
*/
#define LWIP_STATS_DISPLAY 0
/**
* LINK_STATS==1: Enable link stats.
*/
#define LINK_STATS 1
/**
* ETHARP_STATS==1: Enable etharp stats.
*/
#define ETHARP_STATS (LWIP_ARP)
/**
* IP_STATS==1: Enable IP stats.
*/
#define IP_STATS 1
/**
* IPFRAG_STATS==1: Enable IP fragmentation stats. Default is
* on if using either frag or reass.
*/
#define IPFRAG_STATS (IP_REASSEMBLY || IP_FRAG)
/**
* ICMP_STATS==1: Enable ICMP stats.
*/
#define ICMP_STATS 1
/**
* IGMP_STATS==1: Enable IGMP stats.
*/
#define IGMP_STATS (LWIP_IGMP)
/**
* UDP_STATS==1: Enable UDP stats. Default is on if
* UDP enabled, otherwise off.
*/
#define UDP_STATS (LWIP_UDP)
/**
* TCP_STATS==1: Enable TCP stats. Default is on if TCP
* enabled, otherwise off.
*/
#define TCP_STATS (LWIP_TCP)
/**
* MEM_STATS==1: Enable mem.c stats.
*/
#define MEM_STATS 1
/**
* MEMP_STATS==1: Enable memp.c pool stats.
*/
#define MEMP_STATS 1
/**
* SYS_STATS==1: Enable system stats (sem and mbox counts, etc).
*/
#define SYS_STATS 1
#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.
*/
#define PPP_SUPPORT 0
/**
* PPPOE_SUPPORT==1: Enable PPP Over Ethernet
*/
#define PPPOE_SUPPORT 0
/**
* PPPOS_SUPPORT==1: Enable PPP Over Serial
*/
#define PPPOS_SUPPORT PPP_SUPPORT
#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 */
#define MAXNAMELEN 256 /* max length of hostname or
name for auth */
#define MAXSECRETLEN 256 /* max length of password or
secret */
#endif /* PPP_SUPPORT */
/*
--------------------------------------
---------- Checksum options ----------
--------------------------------------
*/
/**
* CHECKSUM_GEN_IP==1: Generate checksums in software for outgoing IP packets.
*/
#define CHECKSUM_GEN_IP CONF_LWIP_CHECKSUM_GEN_IP
/**
* CHECKSUM_GEN_UDP==1: Generate checksums in software for outgoing UDP packets.
*/
#define CHECKSUM_GEN_UDP CONF_LWIP_CHECKSUM_GEN_UDP
/**
* CHECKSUM_GEN_TCP==1: Generate checksums in software for outgoing TCP packets.
*/
#define CHECKSUM_GEN_TCP CONF_LWIP_CHECKSUM_GEN_TCP
/**
* CHECKSUM_CHECK_IP==1: Check checksums in software for incoming IP packets.
*/
#define CHECKSUM_CHECK_IP CONF_LWIP_CHECKSUM_CHECK_IP
/**
* CHECKSUM_CHECK_UDP==1: Check checksums in software for incoming UDP packets.
*/
#define CHECKSUM_CHECK_UDP CONF_LWIP_CHECKSUM_CHECK_UDP
/**
* CHECKSUM_CHECK_TCP==1: Check checksums in software for incoming TCP packets.
*/
#define CHECKSUM_CHECK_TCP CONF_LWIP_CHECKSUM_CHECK_TCP
/*
---------------------------------------
---------- 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.
*/
#define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_ALL
/**
* LWIP_DBG_TYPES_ON: A mask that can be used to globally enable/disable
* debug messages of certain types.
*/
#define LWIP_DBG_TYPES_ON LWIP_DBG_ON
/**
* ETHARP_DEBUG: Enable debugging in etharp.c.
*/
#define ETHARP_DEBUG LWIP_DBG_OFF
/**
* NETIF_DEBUG: Enable debugging in netif.c.
*/
#define NETIF_DEBUG LWIP_DBG_OFF
/**
* PBUF_DEBUG: Enable debugging in pbuf.c.
*/
#define PBUF_DEBUG LWIP_DBG_OFF
/**
* API_LIB_DEBUG: Enable debugging in api_lib.c.
*/
#define API_LIB_DEBUG LWIP_DBG_OFF
/**
* API_MSG_DEBUG: Enable debugging in api_msg.c.
*/
#define API_MSG_DEBUG LWIP_DBG_OFF
/**
* SOCKETS_DEBUG: Enable debugging in sockets.c.
*/
#define SOCKETS_DEBUG LWIP_DBG_OFF
/**
* ICMP_DEBUG: Enable debugging in icmp.c.
*/
#define ICMP_DEBUG LWIP_DBG_OFF
/**
* IGMP_DEBUG: Enable debugging in igmp.c.
*/
#define IGMP_DEBUG LWIP_DBG_OFF
/**
* INET_DEBUG: Enable debugging in inet.c.
*/
#define INET_DEBUG LWIP_DBG_OFF
/**
* IP_DEBUG: Enable debugging for IP.
*/
#define IP_DEBUG LWIP_DBG_OFF
/**
* IP_REASS_DEBUG: Enable debugging in ip_frag.c for both frag & reass.
*/
#define IP_REASS_DEBUG LWIP_DBG_OFF
/**
* RAW_DEBUG: Enable debugging in raw.c.
*/
#define RAW_DEBUG LWIP_DBG_OFF
/**
* MEM_DEBUG: Enable debugging in mem.c.
*/
#define MEM_DEBUG LWIP_DBG_OFF
/**
* MEMP_DEBUG: Enable debugging in memp.c.
*/
#define MEMP_DEBUG LWIP_DBG_OFF
/**
* SYS_DEBUG: Enable debugging in sys.c.
*/
#define SYS_DEBUG LWIP_DBG_OFF
/**
* TCP_DEBUG: Enable debugging for TCP.
*/
#define TCP_DEBUG LWIP_DBG_OFF
/**
* TCP_INPUT_DEBUG: Enable debugging in tcp_in.c for incoming debug.
*/
#define TCP_INPUT_DEBUG LWIP_DBG_OFF
/**
* TCP_FR_DEBUG: Enable debugging in tcp_in.c for fast retransmit.
*/
#define TCP_FR_DEBUG LWIP_DBG_OFF
/**
* TCP_RTO_DEBUG: Enable debugging in TCP for retransmit
* timeout.
*/
#define TCP_RTO_DEBUG LWIP_DBG_OFF
/**
* TCP_CWND_DEBUG: Enable debugging for TCP congestion window.
*/
#define TCP_CWND_DEBUG LWIP_DBG_OFF
/**
* TCP_WND_DEBUG: Enable debugging in tcp_in.c for window updating.
*/
#define TCP_WND_DEBUG LWIP_DBG_OFF
/**
* TCP_OUTPUT_DEBUG: Enable debugging in tcp_out.c output functions.
*/
#define TCP_OUTPUT_DEBUG LWIP_DBG_OFF
/**
* TCP_RST_DEBUG: Enable debugging for TCP with the RST message.
*/
#define TCP_RST_DEBUG LWIP_DBG_OFF
/**
* TCP_QLEN_DEBUG: Enable debugging for TCP queue lengths.
*/
#define TCP_QLEN_DEBUG LWIP_DBG_OFF
/**
* UDP_DEBUG: Enable debugging in UDP.
*/
#define UDP_DEBUG LWIP_DBG_OFF
/**
* TCPIP_DEBUG: Enable debugging in tcpip.c.
*/
#define TCPIP_DEBUG LWIP_DBG_OFF
/**
* PPP_DEBUG: Enable debugging for PPP.
*/
#define PPP_DEBUG LWIP_DBG_OFF
/**
* SLIP_DEBUG: Enable debugging in slipif.c.
*/
#define SLIP_DEBUG LWIP_DBG_OFF
/**
* DHCP_DEBUG: Enable debugging in dhcp.c.
*/
#define DHCP_DEBUG LWIP_DBG_OFF
/**
* AUTOIP_DEBUG: Enable debugging in autoip.c.
*/
#define AUTOIP_DEBUG LWIP_DBG_OFF
/**
* SNMP_MSG_DEBUG: Enable debugging for SNMP messages.
*/
#define SNMP_MSG_DEBUG LWIP_DBG_OFF
/**
* SNMP_MIB_DEBUG: Enable debugging for SNMP MIBs.
*/
#define SNMP_MIB_DEBUG LWIP_DBG_OFF
/**
* DNS_DEBUG: Enable debugging for DNS.
*/
#define DNS_DEBUG LWIP_DBG_OFF
#endif /* __LWIPOPTS_H__ */_______________________________________________
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