source: UsbWattMeter/trunk/lwip-1.4.1/src/include/lwip/opt.h@ 164

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[164]1/**
2 * @file
3 *
4 * lwIP Options Configuration
5 */
6
7/*
8 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without modification,
12 * are permitted provided that the following conditions are met:
13 *
14 * 1. Redistributions of source code must retain the above copyright notice,
15 * this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright notice,
17 * this list of conditions and the following disclaimer in the documentation
18 * and/or other materials provided with the distribution.
19 * 3. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
23 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
24 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
25 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
26 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
27 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
30 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
31 * OF SUCH DAMAGE.
32 *
33 * This file is part of the lwIP TCP/IP stack.
34 *
35 * Author: Adam Dunkels <adam@sics.se>
36 *
37 */
38#ifndef __LWIP_OPT_H__
39#define __LWIP_OPT_H__
40
41/*
42 * Include user defined options first. Anything not defined in these files
43 * will be set to standard values. Override anything you dont like!
44 */
45#include "lwipopts.h"
46#include "lwip/debug.h"
47
48/*
49 -----------------------------------------------
50 ---------- Platform specific locking ----------
51 -----------------------------------------------
52*/
53
54/**
55 * SYS_LIGHTWEIGHT_PROT==1: if you want inter-task protection for certain
56 * critical regions during buffer allocation, deallocation and memory
57 * allocation and deallocation.
58 */
59#ifndef SYS_LIGHTWEIGHT_PROT
60#define SYS_LIGHTWEIGHT_PROT 0
61#endif
62
63/**
64 * NO_SYS==1: Provides VERY minimal functionality. Otherwise,
65 * use lwIP facilities.
66 */
67#ifndef NO_SYS
68#define NO_SYS 0
69#endif
70
71/**
72 * NO_SYS_NO_TIMERS==1: Drop support for sys_timeout when NO_SYS==1
73 * Mainly for compatibility to old versions.
74 */
75#ifndef NO_SYS_NO_TIMERS
76#define NO_SYS_NO_TIMERS 0
77#endif
78
79/**
80 * MEMCPY: override this if you have a faster implementation at hand than the
81 * one included in your C library
82 */
83#ifndef MEMCPY
84#define MEMCPY(dst,src,len) memcpy(dst,src,len)
85#endif
86
87/**
88 * SMEMCPY: override this with care! Some compilers (e.g. gcc) can inline a
89 * call to memcpy() if the length is known at compile time and is small.
90 */
91#ifndef SMEMCPY
92#define SMEMCPY(dst,src,len) memcpy(dst,src,len)
93#endif
94
95/*
96 ------------------------------------
97 ---------- Memory options ----------
98 ------------------------------------
99*/
100/**
101 * MEM_LIBC_MALLOC==1: Use malloc/free/realloc provided by your C-library
102 * instead of the lwip internal allocator. Can save code size if you
103 * already use it.
104 */
105#ifndef MEM_LIBC_MALLOC
106#define MEM_LIBC_MALLOC 0
107#endif
108
109/**
110* MEMP_MEM_MALLOC==1: Use mem_malloc/mem_free instead of the lwip pool allocator.
111* Especially useful with MEM_LIBC_MALLOC but handle with care regarding execution
112* speed and usage from interrupts!
113*/
114#ifndef MEMP_MEM_MALLOC
115#define MEMP_MEM_MALLOC 0
116#endif
117
118/**
119 * MEM_ALIGNMENT: should be set to the alignment of the CPU
120 * 4 byte alignment -> #define MEM_ALIGNMENT 4
121 * 2 byte alignment -> #define MEM_ALIGNMENT 2
122 */
123#ifndef MEM_ALIGNMENT
124#define MEM_ALIGNMENT 1
125#endif
126
127/**
128 * MEM_SIZE: the size of the heap memory. If the application will send
129 * a lot of data that needs to be copied, this should be set high.
130 */
131#ifndef MEM_SIZE
132#define MEM_SIZE 1600
133#endif
134
135/**
136 * MEMP_SEPARATE_POOLS: if defined to 1, each pool is placed in its own array.
137 * This can be used to individually change the location of each pool.
138 * Default is one big array for all pools
139 */
140#ifndef MEMP_SEPARATE_POOLS
141#define MEMP_SEPARATE_POOLS 0
142#endif
143
144/**
145 * MEMP_OVERFLOW_CHECK: memp overflow protection reserves a configurable
146 * amount of bytes before and after each memp element in every pool and fills
147 * it with a prominent default value.
148 * MEMP_OVERFLOW_CHECK == 0 no checking
149 * MEMP_OVERFLOW_CHECK == 1 checks each element when it is freed
150 * MEMP_OVERFLOW_CHECK >= 2 checks each element in every pool every time
151 * memp_malloc() or memp_free() is called (useful but slow!)
152 */
153#ifndef MEMP_OVERFLOW_CHECK
154#define MEMP_OVERFLOW_CHECK 0
155#endif
156
157/**
158 * MEMP_SANITY_CHECK==1: run a sanity check after each memp_free() to make
159 * sure that there are no cycles in the linked lists.
160 */
161#ifndef MEMP_SANITY_CHECK
162#define MEMP_SANITY_CHECK 0
163#endif
164
165/**
166 * MEM_USE_POOLS==1: Use an alternative to malloc() by allocating from a set
167 * of memory pools of various sizes. When mem_malloc is called, an element of
168 * the smallest pool that can provide the length needed is returned.
169 * To use this, MEMP_USE_CUSTOM_POOLS also has to be enabled.
170 */
171#ifndef MEM_USE_POOLS
172#define MEM_USE_POOLS 0
173#endif
174
175/**
176 * MEM_USE_POOLS_TRY_BIGGER_POOL==1: if one malloc-pool is empty, try the next
177 * bigger pool - WARNING: THIS MIGHT WASTE MEMORY but it can make a system more
178 * reliable. */
179#ifndef MEM_USE_POOLS_TRY_BIGGER_POOL
180#define MEM_USE_POOLS_TRY_BIGGER_POOL 0
181#endif
182
183/**
184 * MEMP_USE_CUSTOM_POOLS==1: whether to include a user file lwippools.h
185 * that defines additional pools beyond the "standard" ones required
186 * by lwIP. If you set this to 1, you must have lwippools.h in your
187 * inlude path somewhere.
188 */
189#ifndef MEMP_USE_CUSTOM_POOLS
190#define MEMP_USE_CUSTOM_POOLS 0
191#endif
192
193/**
194 * Set this to 1 if you want to free PBUF_RAM pbufs (or call mem_free()) from
195 * interrupt context (or another context that doesn't allow waiting for a
196 * semaphore).
197 * If set to 1, mem_malloc will be protected by a semaphore and SYS_ARCH_PROTECT,
198 * while mem_free will only use SYS_ARCH_PROTECT. mem_malloc SYS_ARCH_UNPROTECTs
199 * with each loop so that mem_free can run.
200 *
201 * ATTENTION: As you can see from the above description, this leads to dis-/
202 * enabling interrupts often, which can be slow! Also, on low memory, mem_malloc
203 * can need longer.
204 *
205 * If you don't want that, at least for NO_SYS=0, you can still use the following
206 * functions to enqueue a deallocation call which then runs in the tcpip_thread
207 * context:
208 * - pbuf_free_callback(p);
209 * - mem_free_callback(m);
210 */
211#ifndef LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT
212#define LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT 0
213#endif
214
215/*
216 ------------------------------------------------
217 ---------- Internal Memory Pool Sizes ----------
218 ------------------------------------------------
219*/
220/**
221 * MEMP_NUM_PBUF: the number of memp struct pbufs (used for PBUF_ROM and PBUF_REF).
222 * If the application sends a lot of data out of ROM (or other static memory),
223 * this should be set high.
224 */
225#ifndef MEMP_NUM_PBUF
226#define MEMP_NUM_PBUF 16
227#endif
228
229/**
230 * MEMP_NUM_RAW_PCB: Number of raw connection PCBs
231 * (requires the LWIP_RAW option)
232 */
233#ifndef MEMP_NUM_RAW_PCB
234#define MEMP_NUM_RAW_PCB 4
235#endif
236
237/**
238 * MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
239 * per active UDP "connection".
240 * (requires the LWIP_UDP option)
241 */
242#ifndef MEMP_NUM_UDP_PCB
243#define MEMP_NUM_UDP_PCB 4
244#endif
245
246/**
247 * MEMP_NUM_TCP_PCB: the number of simulatenously active TCP connections.
248 * (requires the LWIP_TCP option)
249 */
250#ifndef MEMP_NUM_TCP_PCB
251#define MEMP_NUM_TCP_PCB 5
252#endif
253
254/**
255 * MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP connections.
256 * (requires the LWIP_TCP option)
257 */
258#ifndef MEMP_NUM_TCP_PCB_LISTEN
259#define MEMP_NUM_TCP_PCB_LISTEN 8
260#endif
261
262/**
263 * MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP segments.
264 * (requires the LWIP_TCP option)
265 */
266#ifndef MEMP_NUM_TCP_SEG
267#define MEMP_NUM_TCP_SEG 16
268#endif
269
270/**
271 * MEMP_NUM_REASSDATA: the number of IP packets simultaneously queued for
272 * reassembly (whole packets, not fragments!)
273 */
274#ifndef MEMP_NUM_REASSDATA
275#define MEMP_NUM_REASSDATA 5
276#endif
277
278/**
279 * MEMP_NUM_FRAG_PBUF: the number of IP fragments simultaneously sent
280 * (fragments, not whole packets!).
281 * This is only used with IP_FRAG_USES_STATIC_BUF==0 and
282 * LWIP_NETIF_TX_SINGLE_PBUF==0 and only has to be > 1 with DMA-enabled MACs
283 * where the packet is not yet sent when netif->output returns.
284 */
285#ifndef MEMP_NUM_FRAG_PBUF
286#define MEMP_NUM_FRAG_PBUF 15
287#endif
288
289/**
290 * MEMP_NUM_ARP_QUEUE: the number of simulateously queued outgoing
291 * packets (pbufs) that are waiting for an ARP request (to resolve
292 * their destination address) to finish.
293 * (requires the ARP_QUEUEING option)
294 */
295#ifndef MEMP_NUM_ARP_QUEUE
296#define MEMP_NUM_ARP_QUEUE 30
297#endif
298
299/**
300 * MEMP_NUM_IGMP_GROUP: The number of multicast groups whose network interfaces
301 * can be members et the same time (one per netif - allsystems group -, plus one
302 * per netif membership).
303 * (requires the LWIP_IGMP option)
304 */
305#ifndef MEMP_NUM_IGMP_GROUP
306#define MEMP_NUM_IGMP_GROUP 8
307#endif
308
309/**
310 * MEMP_NUM_SYS_TIMEOUT: the number of simulateously active timeouts.
311 * (requires NO_SYS==0)
312 * The default number of timeouts is calculated here for all enabled modules.
313 * The formula expects settings to be either '0' or '1'.
314 */
315#ifndef MEMP_NUM_SYS_TIMEOUT
316#define MEMP_NUM_SYS_TIMEOUT (LWIP_TCP + IP_REASSEMBLY + LWIP_ARP + (2*LWIP_DHCP) + LWIP_AUTOIP + LWIP_IGMP + LWIP_DNS + PPP_SUPPORT)
317#endif
318
319/**
320 * MEMP_NUM_NETBUF: the number of struct netbufs.
321 * (only needed if you use the sequential API, like api_lib.c)
322 */
323#ifndef MEMP_NUM_NETBUF
324#define MEMP_NUM_NETBUF 2
325#endif
326
327/**
328 * MEMP_NUM_NETCONN: the number of struct netconns.
329 * (only needed if you use the sequential API, like api_lib.c)
330 */
331#ifndef MEMP_NUM_NETCONN
332#define MEMP_NUM_NETCONN 4
333#endif
334
335/**
336 * MEMP_NUM_TCPIP_MSG_API: the number of struct tcpip_msg, which are used
337 * for callback/timeout API communication.
338 * (only needed if you use tcpip.c)
339 */
340#ifndef MEMP_NUM_TCPIP_MSG_API
341#define MEMP_NUM_TCPIP_MSG_API 8
342#endif
343
344/**
345 * MEMP_NUM_TCPIP_MSG_INPKT: the number of struct tcpip_msg, which are used
346 * for incoming packets.
347 * (only needed if you use tcpip.c)
348 */
349#ifndef MEMP_NUM_TCPIP_MSG_INPKT
350#define MEMP_NUM_TCPIP_MSG_INPKT 8
351#endif
352
353/**
354 * MEMP_NUM_SNMP_NODE: the number of leafs in the SNMP tree.
355 */
356#ifndef MEMP_NUM_SNMP_NODE
357#define MEMP_NUM_SNMP_NODE 50
358#endif
359
360/**
361 * MEMP_NUM_SNMP_ROOTNODE: the number of branches in the SNMP tree.
362 * Every branch has one leaf (MEMP_NUM_SNMP_NODE) at least!
363 */
364#ifndef MEMP_NUM_SNMP_ROOTNODE
365#define MEMP_NUM_SNMP_ROOTNODE 30
366#endif
367
368/**
369 * MEMP_NUM_SNMP_VARBIND: the number of concurrent requests (does not have to
370 * be changed normally) - 2 of these are used per request (1 for input,
371 * 1 for output)
372 */
373#ifndef MEMP_NUM_SNMP_VARBIND
374#define MEMP_NUM_SNMP_VARBIND 2
375#endif
376
377/**
378 * MEMP_NUM_SNMP_VALUE: the number of OID or values concurrently used
379 * (does not have to be changed normally) - 3 of these are used per request
380 * (1 for the value read and 2 for OIDs - input and output)
381 */
382#ifndef MEMP_NUM_SNMP_VALUE
383#define MEMP_NUM_SNMP_VALUE 3
384#endif
385
386/**
387 * MEMP_NUM_NETDB: the number of concurrently running lwip_addrinfo() calls
388 * (before freeing the corresponding memory using lwip_freeaddrinfo()).
389 */
390#ifndef MEMP_NUM_NETDB
391#define MEMP_NUM_NETDB 1
392#endif
393
394/**
395 * MEMP_NUM_LOCALHOSTLIST: the number of host entries in the local host list
396 * if DNS_LOCAL_HOSTLIST_IS_DYNAMIC==1.
397 */
398#ifndef MEMP_NUM_LOCALHOSTLIST
399#define MEMP_NUM_LOCALHOSTLIST 1
400#endif
401
402/**
403 * MEMP_NUM_PPPOE_INTERFACES: the number of concurrently active PPPoE
404 * interfaces (only used with PPPOE_SUPPORT==1)
405 */
406#ifndef MEMP_NUM_PPPOE_INTERFACES
407#define MEMP_NUM_PPPOE_INTERFACES 1
408#endif
409
410/**
411 * PBUF_POOL_SIZE: the number of buffers in the pbuf pool.
412 */
413#ifndef PBUF_POOL_SIZE
414#define PBUF_POOL_SIZE 16
415#endif
416
417/*
418 ---------------------------------
419 ---------- ARP options ----------
420 ---------------------------------
421*/
422/**
423 * LWIP_ARP==1: Enable ARP functionality.
424 */
425#ifndef LWIP_ARP
426#define LWIP_ARP 1
427#endif
428
429/**
430 * ARP_TABLE_SIZE: Number of active MAC-IP address pairs cached.
431 */
432#ifndef ARP_TABLE_SIZE
433#define ARP_TABLE_SIZE 10
434#endif
435
436/**
437 * ARP_QUEUEING==1: Multiple outgoing packets are queued during hardware address
438 * resolution. By default, only the most recent packet is queued per IP address.
439 * This is sufficient for most protocols and mainly reduces TCP connection
440 * startup time. Set this to 1 if you know your application sends more than one
441 * packet in a row to an IP address that is not in the ARP cache.
442 */
443#ifndef ARP_QUEUEING
444#define ARP_QUEUEING 0
445#endif
446
447/**
448 * ETHARP_TRUST_IP_MAC==1: Incoming IP packets cause the ARP table to be
449 * updated with the source MAC and IP addresses supplied in the packet.
450 * You may want to disable this if you do not trust LAN peers to have the
451 * correct addresses, or as a limited approach to attempt to handle
452 * spoofing. If disabled, lwIP will need to make a new ARP request if
453 * the peer is not already in the ARP table, adding a little latency.
454 * The peer *is* in the ARP table if it requested our address before.
455 * Also notice that this slows down input processing of every IP packet!
456 */
457#ifndef ETHARP_TRUST_IP_MAC
458#define ETHARP_TRUST_IP_MAC 0
459#endif
460
461/**
462 * ETHARP_SUPPORT_VLAN==1: support receiving ethernet packets with VLAN header.
463 * Additionally, you can define ETHARP_VLAN_CHECK to an u16_t VLAN ID to check.
464 * If ETHARP_VLAN_CHECK is defined, only VLAN-traffic for this VLAN is accepted.
465 * If ETHARP_VLAN_CHECK is not defined, all traffic is accepted.
466 * Alternatively, define a function/define ETHARP_VLAN_CHECK_FN(eth_hdr, vlan)
467 * that returns 1 to accept a packet or 0 to drop a packet.
468 */
469#ifndef ETHARP_SUPPORT_VLAN
470#define ETHARP_SUPPORT_VLAN 0
471#endif
472
473/** LWIP_ETHERNET==1: enable ethernet support for PPPoE even though ARP
474 * might be disabled
475 */
476#ifndef LWIP_ETHERNET
477#define LWIP_ETHERNET (LWIP_ARP || PPPOE_SUPPORT)
478#endif
479
480/** ETH_PAD_SIZE: number of bytes added before the ethernet header to ensure
481 * alignment of payload after that header. Since the header is 14 bytes long,
482 * without this padding e.g. addresses in the IP header will not be aligned
483 * on a 32-bit boundary, so setting this to 2 can speed up 32-bit-platforms.
484 */
485#ifndef ETH_PAD_SIZE
486#define ETH_PAD_SIZE 0
487#endif
488
489/** ETHARP_SUPPORT_STATIC_ENTRIES==1: enable code to support static ARP table
490 * entries (using etharp_add_static_entry/etharp_remove_static_entry).
491 */
492#ifndef ETHARP_SUPPORT_STATIC_ENTRIES
493#define ETHARP_SUPPORT_STATIC_ENTRIES 0
494#endif
495
496
497/*
498 --------------------------------
499 ---------- IP options ----------
500 --------------------------------
501*/
502/**
503 * IP_FORWARD==1: Enables the ability to forward IP packets across network
504 * interfaces. If you are going to run lwIP on a device with only one network
505 * interface, define this to 0.
506 */
507#ifndef IP_FORWARD
508#define IP_FORWARD 0
509#endif
510
511/**
512 * IP_OPTIONS_ALLOWED: Defines the behavior for IP options.
513 * IP_OPTIONS_ALLOWED==0: All packets with IP options are dropped.
514 * IP_OPTIONS_ALLOWED==1: IP options are allowed (but not parsed).
515 */
516#ifndef IP_OPTIONS_ALLOWED
517#define IP_OPTIONS_ALLOWED 1
518#endif
519
520/**
521 * IP_REASSEMBLY==1: Reassemble incoming fragmented IP packets. Note that
522 * this option does not affect outgoing packet sizes, which can be controlled
523 * via IP_FRAG.
524 */
525#ifndef IP_REASSEMBLY
526#define IP_REASSEMBLY 1
527#endif
528
529/**
530 * IP_FRAG==1: Fragment outgoing IP packets if their size exceeds MTU. Note
531 * that this option does not affect incoming packet sizes, which can be
532 * controlled via IP_REASSEMBLY.
533 */
534#ifndef IP_FRAG
535#define IP_FRAG 1
536#endif
537
538/**
539 * IP_REASS_MAXAGE: Maximum time (in multiples of IP_TMR_INTERVAL - so seconds, normally)
540 * a fragmented IP packet waits for all fragments to arrive. If not all fragments arrived
541 * in this time, the whole packet is discarded.
542 */
543#ifndef IP_REASS_MAXAGE
544#define IP_REASS_MAXAGE 3
545#endif
546
547/**
548 * IP_REASS_MAX_PBUFS: Total maximum amount of pbufs waiting to be reassembled.
549 * Since the received pbufs are enqueued, be sure to configure
550 * PBUF_POOL_SIZE > IP_REASS_MAX_PBUFS so that the stack is still able to receive
551 * packets even if the maximum amount of fragments is enqueued for reassembly!
552 */
553#ifndef IP_REASS_MAX_PBUFS
554#define IP_REASS_MAX_PBUFS 10
555#endif
556
557/**
558 * IP_FRAG_USES_STATIC_BUF==1: Use a static MTU-sized buffer for IP
559 * fragmentation. Otherwise pbufs are allocated and reference the original
560 * packet data to be fragmented (or with LWIP_NETIF_TX_SINGLE_PBUF==1,
561 * new PBUF_RAM pbufs are used for fragments).
562 * ATTENTION: IP_FRAG_USES_STATIC_BUF==1 may not be used for DMA-enabled MACs!
563 */
564#ifndef IP_FRAG_USES_STATIC_BUF
565#define IP_FRAG_USES_STATIC_BUF 0
566#endif
567
568/**
569 * IP_FRAG_MAX_MTU: Assumed max MTU on any interface for IP frag buffer
570 * (requires IP_FRAG_USES_STATIC_BUF==1)
571 */
572#if IP_FRAG_USES_STATIC_BUF && !defined(IP_FRAG_MAX_MTU)
573#define IP_FRAG_MAX_MTU 1500
574#endif
575
576/**
577 * IP_DEFAULT_TTL: Default value for Time-To-Live used by transport layers.
578 */
579#ifndef IP_DEFAULT_TTL
580#define IP_DEFAULT_TTL 255
581#endif
582
583/**
584 * IP_SOF_BROADCAST=1: Use the SOF_BROADCAST field to enable broadcast
585 * filter per pcb on udp and raw send operations. To enable broadcast filter
586 * on recv operations, you also have to set IP_SOF_BROADCAST_RECV=1.
587 */
588#ifndef IP_SOF_BROADCAST
589#define IP_SOF_BROADCAST 0
590#endif
591
592/**
593 * IP_SOF_BROADCAST_RECV (requires IP_SOF_BROADCAST=1) enable the broadcast
594 * filter on recv operations.
595 */
596#ifndef IP_SOF_BROADCAST_RECV
597#define IP_SOF_BROADCAST_RECV 0
598#endif
599
600/**
601 * IP_FORWARD_ALLOW_TX_ON_RX_NETIF==1: allow ip_forward() to send packets back
602 * out on the netif where it was received. This should only be used for
603 * wireless networks.
604 * ATTENTION: When this is 1, make sure your netif driver correctly marks incoming
605 * link-layer-broadcast/multicast packets as such using the corresponding pbuf flags!
606 */
607#ifndef IP_FORWARD_ALLOW_TX_ON_RX_NETIF
608#define IP_FORWARD_ALLOW_TX_ON_RX_NETIF 0
609#endif
610
611/**
612 * LWIP_RANDOMIZE_INITIAL_LOCAL_PORTS==1: randomize the local port for the first
613 * local TCP/UDP pcb (default==0). This can prevent creating predictable port
614 * numbers after booting a device.
615 */
616#ifndef LWIP_RANDOMIZE_INITIAL_LOCAL_PORTS
617#define LWIP_RANDOMIZE_INITIAL_LOCAL_PORTS 0
618#endif
619
620/*
621 ----------------------------------
622 ---------- ICMP options ----------
623 ----------------------------------
624*/
625/**
626 * LWIP_ICMP==1: Enable ICMP module inside the IP stack.
627 * Be careful, disable that make your product non-compliant to RFC1122
628 */
629#ifndef LWIP_ICMP
630#define LWIP_ICMP 1
631#endif
632
633/**
634 * ICMP_TTL: Default value for Time-To-Live used by ICMP packets.
635 */
636#ifndef ICMP_TTL
637#define ICMP_TTL (IP_DEFAULT_TTL)
638#endif
639
640/**
641 * LWIP_BROADCAST_PING==1: respond to broadcast pings (default is unicast only)
642 */
643#ifndef LWIP_BROADCAST_PING
644#define LWIP_BROADCAST_PING 0
645#endif
646
647/**
648 * LWIP_MULTICAST_PING==1: respond to multicast pings (default is unicast only)
649 */
650#ifndef LWIP_MULTICAST_PING
651#define LWIP_MULTICAST_PING 0
652#endif
653
654/*
655 ---------------------------------
656 ---------- RAW options ----------
657 ---------------------------------
658*/
659/**
660 * LWIP_RAW==1: Enable application layer to hook into the IP layer itself.
661 */
662#ifndef LWIP_RAW
663#define LWIP_RAW 1
664#endif
665
666/**
667 * LWIP_RAW==1: Enable application layer to hook into the IP layer itself.
668 */
669#ifndef RAW_TTL
670#define RAW_TTL (IP_DEFAULT_TTL)
671#endif
672
673/*
674 ----------------------------------
675 ---------- DHCP options ----------
676 ----------------------------------
677*/
678/**
679 * LWIP_DHCP==1: Enable DHCP module.
680 */
681#ifndef LWIP_DHCP
682#define LWIP_DHCP 0
683#endif
684
685/**
686 * DHCP_DOES_ARP_CHECK==1: Do an ARP check on the offered address.
687 */
688#ifndef DHCP_DOES_ARP_CHECK
689#define DHCP_DOES_ARP_CHECK ((LWIP_DHCP) && (LWIP_ARP))
690#endif
691
692/*
693 ------------------------------------
694 ---------- AUTOIP options ----------
695 ------------------------------------
696*/
697/**
698 * LWIP_AUTOIP==1: Enable AUTOIP module.
699 */
700#ifndef LWIP_AUTOIP
701#define LWIP_AUTOIP 0
702#endif
703
704/**
705 * LWIP_DHCP_AUTOIP_COOP==1: Allow DHCP and AUTOIP to be both enabled on
706 * the same interface at the same time.
707 */
708#ifndef LWIP_DHCP_AUTOIP_COOP
709#define LWIP_DHCP_AUTOIP_COOP 0
710#endif
711
712/**
713 * LWIP_DHCP_AUTOIP_COOP_TRIES: Set to the number of DHCP DISCOVER probes
714 * that should be sent before falling back on AUTOIP. This can be set
715 * as low as 1 to get an AutoIP address very quickly, but you should
716 * be prepared to handle a changing IP address when DHCP overrides
717 * AutoIP.
718 */
719#ifndef LWIP_DHCP_AUTOIP_COOP_TRIES
720#define LWIP_DHCP_AUTOIP_COOP_TRIES 9
721#endif
722
723/*
724 ----------------------------------
725 ---------- SNMP options ----------
726 ----------------------------------
727*/
728/**
729 * LWIP_SNMP==1: Turn on SNMP module. UDP must be available for SNMP
730 * transport.
731 */
732#ifndef LWIP_SNMP
733#define LWIP_SNMP 0
734#endif
735
736/**
737 * SNMP_CONCURRENT_REQUESTS: Number of concurrent requests the module will
738 * allow. At least one request buffer is required.
739 * Does not have to be changed unless external MIBs answer request asynchronously
740 */
741#ifndef SNMP_CONCURRENT_REQUESTS
742#define SNMP_CONCURRENT_REQUESTS 1
743#endif
744
745/**
746 * SNMP_TRAP_DESTINATIONS: Number of trap destinations. At least one trap
747 * destination is required
748 */
749#ifndef SNMP_TRAP_DESTINATIONS
750#define SNMP_TRAP_DESTINATIONS 1
751#endif
752
753/**
754 * SNMP_PRIVATE_MIB:
755 * When using a private MIB, you have to create a file 'private_mib.h' that contains
756 * a 'struct mib_array_node mib_private' which contains your MIB.
757 */
758#ifndef SNMP_PRIVATE_MIB
759#define SNMP_PRIVATE_MIB 0
760#endif
761
762/**
763 * Only allow SNMP write actions that are 'safe' (e.g. disabeling netifs is not
764 * a safe action and disabled when SNMP_SAFE_REQUESTS = 1).
765 * Unsafe requests are disabled by default!
766 */
767#ifndef SNMP_SAFE_REQUESTS
768#define SNMP_SAFE_REQUESTS 1
769#endif
770
771/**
772 * The maximum length of strings used. This affects the size of
773 * MEMP_SNMP_VALUE elements.
774 */
775#ifndef SNMP_MAX_OCTET_STRING_LEN
776#define SNMP_MAX_OCTET_STRING_LEN 127
777#endif
778
779/**
780 * The maximum depth of the SNMP tree.
781 * With private MIBs enabled, this depends on your MIB!
782 * This affects the size of MEMP_SNMP_VALUE elements.
783 */
784#ifndef SNMP_MAX_TREE_DEPTH
785#define SNMP_MAX_TREE_DEPTH 15
786#endif
787
788/**
789 * The size of the MEMP_SNMP_VALUE elements, normally calculated from
790 * SNMP_MAX_OCTET_STRING_LEN and SNMP_MAX_TREE_DEPTH.
791 */
792#ifndef SNMP_MAX_VALUE_SIZE
793#define SNMP_MAX_VALUE_SIZE LWIP_MAX((SNMP_MAX_OCTET_STRING_LEN)+1, sizeof(s32_t)*(SNMP_MAX_TREE_DEPTH))
794#endif
795
796/*
797 ----------------------------------
798 ---------- IGMP options ----------
799 ----------------------------------
800*/
801/**
802 * LWIP_IGMP==1: Turn on IGMP module.
803 */
804#ifndef LWIP_IGMP
805#define LWIP_IGMP 0
806#endif
807
808/*
809 ----------------------------------
810 ---------- DNS options -----------
811 ----------------------------------
812*/
813/**
814 * LWIP_DNS==1: Turn on DNS module. UDP must be available for DNS
815 * transport.
816 */
817#ifndef LWIP_DNS
818#define LWIP_DNS 0
819#endif
820
821/** DNS maximum number of entries to maintain locally. */
822#ifndef DNS_TABLE_SIZE
823#define DNS_TABLE_SIZE 4
824#endif
825
826/** DNS maximum host name length supported in the name table. */
827#ifndef DNS_MAX_NAME_LENGTH
828#define DNS_MAX_NAME_LENGTH 256
829#endif
830
831/** The maximum of DNS servers */
832#ifndef DNS_MAX_SERVERS
833#define DNS_MAX_SERVERS 2
834#endif
835
836/** DNS do a name checking between the query and the response. */
837#ifndef DNS_DOES_NAME_CHECK
838#define DNS_DOES_NAME_CHECK 1
839#endif
840
841/** DNS message max. size. Default value is RFC compliant. */
842#ifndef DNS_MSG_SIZE
843#define DNS_MSG_SIZE 512
844#endif
845
846/** DNS_LOCAL_HOSTLIST: Implements a local host-to-address list. If enabled,
847 * you have to define
848 * #define DNS_LOCAL_HOSTLIST_INIT {{"host1", 0x123}, {"host2", 0x234}}
849 * (an array of structs name/address, where address is an u32_t in network
850 * byte order).
851 *
852 * Instead, you can also use an external function:
853 * #define DNS_LOOKUP_LOCAL_EXTERN(x) extern u32_t my_lookup_function(const char *name)
854 * that returns the IP address or INADDR_NONE if not found.
855 */
856#ifndef DNS_LOCAL_HOSTLIST
857#define DNS_LOCAL_HOSTLIST 0
858#endif /* DNS_LOCAL_HOSTLIST */
859
860/** If this is turned on, the local host-list can be dynamically changed
861 * at runtime. */
862#ifndef DNS_LOCAL_HOSTLIST_IS_DYNAMIC
863#define DNS_LOCAL_HOSTLIST_IS_DYNAMIC 0
864#endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */
865
866/*
867 ---------------------------------
868 ---------- UDP options ----------
869 ---------------------------------
870*/
871/**
872 * LWIP_UDP==1: Turn on UDP.
873 */
874#ifndef LWIP_UDP
875#define LWIP_UDP 1
876#endif
877
878/**
879 * LWIP_UDPLITE==1: Turn on UDP-Lite. (Requires LWIP_UDP)
880 */
881#ifndef LWIP_UDPLITE
882#define LWIP_UDPLITE 0
883#endif
884
885/**
886 * UDP_TTL: Default Time-To-Live value.
887 */
888#ifndef UDP_TTL
889#define UDP_TTL (IP_DEFAULT_TTL)
890#endif
891
892/**
893 * LWIP_NETBUF_RECVINFO==1: append destination addr and port to every netbuf.
894 */
895#ifndef LWIP_NETBUF_RECVINFO
896#define LWIP_NETBUF_RECVINFO 0
897#endif
898
899/*
900 ---------------------------------
901 ---------- TCP options ----------
902 ---------------------------------
903*/
904/**
905 * LWIP_TCP==1: Turn on TCP.
906 */
907#ifndef LWIP_TCP
908#define LWIP_TCP 1
909#endif
910
911/**
912 * TCP_TTL: Default Time-To-Live value.
913 */
914#ifndef TCP_TTL
915#define TCP_TTL (IP_DEFAULT_TTL)
916#endif
917
918/**
919 * TCP_WND: The size of a TCP window. This must be at least
920 * (2 * TCP_MSS) for things to work well
921 */
922#ifndef TCP_WND
923#define TCP_WND (4 * TCP_MSS)
924#endif
925
926/**
927 * TCP_MAXRTX: Maximum number of retransmissions of data segments.
928 */
929#ifndef TCP_MAXRTX
930#define TCP_MAXRTX 12
931#endif
932
933/**
934 * TCP_SYNMAXRTX: Maximum number of retransmissions of SYN segments.
935 */
936#ifndef TCP_SYNMAXRTX
937#define TCP_SYNMAXRTX 6
938#endif
939
940/**
941 * TCP_QUEUE_OOSEQ==1: TCP will queue segments that arrive out of order.
942 * Define to 0 if your device is low on memory.
943 */
944#ifndef TCP_QUEUE_OOSEQ
945#define TCP_QUEUE_OOSEQ (LWIP_TCP)
946#endif
947
948/**
949 * TCP_MSS: TCP Maximum segment size. (default is 536, a conservative default,
950 * you might want to increase this.)
951 * For the receive side, this MSS is advertised to the remote side
952 * when opening a connection. For the transmit size, this MSS sets
953 * an upper limit on the MSS advertised by the remote host.
954 */
955#ifndef TCP_MSS
956#define TCP_MSS 536
957#endif
958
959/**
960 * TCP_CALCULATE_EFF_SEND_MSS: "The maximum size of a segment that TCP really
961 * sends, the 'effective send MSS,' MUST be the smaller of the send MSS (which
962 * reflects the available reassembly buffer size at the remote host) and the
963 * largest size permitted by the IP layer" (RFC 1122)
964 * Setting this to 1 enables code that checks TCP_MSS against the MTU of the
965 * netif used for a connection and limits the MSS if it would be too big otherwise.
966 */
967#ifndef TCP_CALCULATE_EFF_SEND_MSS
968#define TCP_CALCULATE_EFF_SEND_MSS 1
969#endif
970
971
972/**
973 * TCP_SND_BUF: TCP sender buffer space (bytes).
974 * To achieve good performance, this should be at least 2 * TCP_MSS.
975 */
976#ifndef TCP_SND_BUF
977#define TCP_SND_BUF (2 * TCP_MSS)
978#endif
979
980/**
981 * TCP_SND_QUEUELEN: TCP sender buffer space (pbufs). This must be at least
982 * as much as (2 * TCP_SND_BUF/TCP_MSS) for things to work.
983 */
984#ifndef TCP_SND_QUEUELEN
985#define TCP_SND_QUEUELEN ((4 * (TCP_SND_BUF) + (TCP_MSS - 1))/(TCP_MSS))
986#endif
987
988/**
989 * TCP_SNDLOWAT: TCP writable space (bytes). This must be less than
990 * TCP_SND_BUF. It is the amount of space which must be available in the
991 * TCP snd_buf for select to return writable (combined with TCP_SNDQUEUELOWAT).
992 */
993#ifndef TCP_SNDLOWAT
994#define TCP_SNDLOWAT LWIP_MIN(LWIP_MAX(((TCP_SND_BUF)/2), (2 * TCP_MSS) + 1), (TCP_SND_BUF) - 1)
995#endif
996
997/**
998 * TCP_SNDQUEUELOWAT: TCP writable bufs (pbuf count). This must be less
999 * than TCP_SND_QUEUELEN. If the number of pbufs queued on a pcb drops below
1000 * this number, select returns writable (combined with TCP_SNDLOWAT).
1001 */
1002#ifndef TCP_SNDQUEUELOWAT
1003#define TCP_SNDQUEUELOWAT LWIP_MAX(((TCP_SND_QUEUELEN)/2), 5)
1004#endif
1005
1006/**
1007 * TCP_OOSEQ_MAX_BYTES: The maximum number of bytes queued on ooseq per pcb.
1008 * Default is 0 (no limit). Only valid for TCP_QUEUE_OOSEQ==0.
1009 */
1010#ifndef TCP_OOSEQ_MAX_BYTES
1011#define TCP_OOSEQ_MAX_BYTES 0
1012#endif
1013
1014/**
1015 * TCP_OOSEQ_MAX_PBUFS: The maximum number of pbufs queued on ooseq per pcb.
1016 * Default is 0 (no limit). Only valid for TCP_QUEUE_OOSEQ==0.
1017 */
1018#ifndef TCP_OOSEQ_MAX_PBUFS
1019#define TCP_OOSEQ_MAX_PBUFS 0
1020#endif
1021
1022/**
1023 * TCP_LISTEN_BACKLOG: Enable the backlog option for tcp listen pcb.
1024 */
1025#ifndef TCP_LISTEN_BACKLOG
1026#define TCP_LISTEN_BACKLOG 0
1027#endif
1028
1029/**
1030 * The maximum allowed backlog for TCP listen netconns.
1031 * This backlog is used unless another is explicitly specified.
1032 * 0xff is the maximum (u8_t).
1033 */
1034#ifndef TCP_DEFAULT_LISTEN_BACKLOG
1035#define TCP_DEFAULT_LISTEN_BACKLOG 0xff
1036#endif
1037
1038/**
1039 * TCP_OVERSIZE: The maximum number of bytes that tcp_write may
1040 * allocate ahead of time in an attempt to create shorter pbuf chains
1041 * for transmission. The meaningful range is 0 to TCP_MSS. Some
1042 * suggested values are:
1043 *
1044 * 0: Disable oversized allocation. Each tcp_write() allocates a new
1045 pbuf (old behaviour).
1046 * 1: Allocate size-aligned pbufs with minimal excess. Use this if your
1047 * scatter-gather DMA requires aligned fragments.
1048 * 128: Limit the pbuf/memory overhead to 20%.
1049 * TCP_MSS: Try to create unfragmented TCP packets.
1050 * TCP_MSS/4: Try to create 4 fragments or less per TCP packet.
1051 */
1052#ifndef TCP_OVERSIZE
1053#define TCP_OVERSIZE TCP_MSS
1054#endif
1055
1056/**
1057 * LWIP_TCP_TIMESTAMPS==1: support the TCP timestamp option.
1058 */
1059#ifndef LWIP_TCP_TIMESTAMPS
1060#define LWIP_TCP_TIMESTAMPS 0
1061#endif
1062
1063/**
1064 * TCP_WND_UPDATE_THRESHOLD: difference in window to trigger an
1065 * explicit window update
1066 */
1067#ifndef TCP_WND_UPDATE_THRESHOLD
1068#define TCP_WND_UPDATE_THRESHOLD (TCP_WND / 4)
1069#endif
1070
1071/**
1072 * LWIP_EVENT_API and LWIP_CALLBACK_API: Only one of these should be set to 1.
1073 * LWIP_EVENT_API==1: The user defines lwip_tcp_event() to receive all
1074 * events (accept, sent, etc) that happen in the system.
1075 * LWIP_CALLBACK_API==1: The PCB callback function is called directly
1076 * for the event. This is the default.
1077 */
1078#if !defined(LWIP_EVENT_API) && !defined(LWIP_CALLBACK_API)
1079#define LWIP_EVENT_API 0
1080#define LWIP_CALLBACK_API 1
1081#endif
1082
1083
1084/*
1085 ----------------------------------
1086 ---------- Pbuf options ----------
1087 ----------------------------------
1088*/
1089/**
1090 * PBUF_LINK_HLEN: the number of bytes that should be allocated for a
1091 * link level header. The default is 14, the standard value for
1092 * Ethernet.
1093 */
1094#ifndef PBUF_LINK_HLEN
1095#define PBUF_LINK_HLEN (14 + ETH_PAD_SIZE)
1096#endif
1097
1098/**
1099 * PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. The default is
1100 * designed to accomodate single full size TCP frame in one pbuf, including
1101 * TCP_MSS, IP header, and link header.
1102 */
1103#ifndef PBUF_POOL_BUFSIZE
1104#define PBUF_POOL_BUFSIZE LWIP_MEM_ALIGN_SIZE(TCP_MSS+40+PBUF_LINK_HLEN)
1105#endif
1106
1107/*
1108 ------------------------------------------------
1109 ---------- Network Interfaces options ----------
1110 ------------------------------------------------
1111*/
1112/**
1113 * LWIP_NETIF_HOSTNAME==1: use DHCP_OPTION_HOSTNAME with netif's hostname
1114 * field.
1115 */
1116#ifndef LWIP_NETIF_HOSTNAME
1117#define LWIP_NETIF_HOSTNAME 0
1118#endif
1119
1120/**
1121 * LWIP_NETIF_API==1: Support netif api (in netifapi.c)
1122 */
1123#ifndef LWIP_NETIF_API
1124#define LWIP_NETIF_API 0
1125#endif
1126
1127/**
1128 * LWIP_NETIF_STATUS_CALLBACK==1: Support a callback function whenever an interface
1129 * changes its up/down status (i.e., due to DHCP IP acquistion)
1130 */
1131#ifndef LWIP_NETIF_STATUS_CALLBACK
1132#define LWIP_NETIF_STATUS_CALLBACK 0
1133#endif
1134
1135/**
1136 * LWIP_NETIF_LINK_CALLBACK==1: Support a callback function from an interface
1137 * whenever the link changes (i.e., link down)
1138 */
1139#ifndef LWIP_NETIF_LINK_CALLBACK
1140#define LWIP_NETIF_LINK_CALLBACK 0
1141#endif
1142
1143/**
1144 * LWIP_NETIF_REMOVE_CALLBACK==1: Support a callback function that is called
1145 * when a netif has been removed
1146 */
1147#ifndef LWIP_NETIF_REMOVE_CALLBACK
1148#define LWIP_NETIF_REMOVE_CALLBACK 0
1149#endif
1150
1151/**
1152 * LWIP_NETIF_HWADDRHINT==1: Cache link-layer-address hints (e.g. table
1153 * indices) in struct netif. TCP and UDP can make use of this to prevent
1154 * scanning the ARP table for every sent packet. While this is faster for big
1155 * ARP tables or many concurrent connections, it might be counterproductive
1156 * if you have a tiny ARP table or if there never are concurrent connections.
1157 */
1158#ifndef LWIP_NETIF_HWADDRHINT
1159#define LWIP_NETIF_HWADDRHINT 0
1160#endif
1161
1162/**
1163 * LWIP_NETIF_LOOPBACK==1: Support sending packets with a destination IP
1164 * address equal to the netif IP address, looping them back up the stack.
1165 */
1166#ifndef LWIP_NETIF_LOOPBACK
1167#define LWIP_NETIF_LOOPBACK 0
1168#endif
1169
1170/**
1171 * LWIP_LOOPBACK_MAX_PBUFS: Maximum number of pbufs on queue for loopback
1172 * sending for each netif (0 = disabled)
1173 */
1174#ifndef LWIP_LOOPBACK_MAX_PBUFS
1175#define LWIP_LOOPBACK_MAX_PBUFS 0
1176#endif
1177
1178/**
1179 * LWIP_NETIF_LOOPBACK_MULTITHREADING: Indicates whether threading is enabled in
1180 * the system, as netifs must change how they behave depending on this setting
1181 * for the LWIP_NETIF_LOOPBACK option to work.
1182 * Setting this is needed to avoid reentering non-reentrant functions like
1183 * tcp_input().
1184 * LWIP_NETIF_LOOPBACK_MULTITHREADING==1: Indicates that the user is using a
1185 * multithreaded environment like tcpip.c. In this case, netif->input()
1186 * is called directly.
1187 * LWIP_NETIF_LOOPBACK_MULTITHREADING==0: Indicates a polling (or NO_SYS) setup.
1188 * The packets are put on a list and netif_poll() must be called in
1189 * the main application loop.
1190 */
1191#ifndef LWIP_NETIF_LOOPBACK_MULTITHREADING
1192#define LWIP_NETIF_LOOPBACK_MULTITHREADING (!NO_SYS)
1193#endif
1194
1195/**
1196 * LWIP_NETIF_TX_SINGLE_PBUF: if this is set to 1, lwIP tries to put all data
1197 * to be sent into one single pbuf. This is for compatibility with DMA-enabled
1198 * MACs that do not support scatter-gather.
1199 * Beware that this might involve CPU-memcpy before transmitting that would not
1200 * be needed without this flag! Use this only if you need to!
1201 *
1202 * @todo: TCP and IP-frag do not work with this, yet:
1203 */
1204#ifndef LWIP_NETIF_TX_SINGLE_PBUF
1205#define LWIP_NETIF_TX_SINGLE_PBUF 0
1206#endif /* LWIP_NETIF_TX_SINGLE_PBUF */
1207
1208/*
1209 ------------------------------------
1210 ---------- LOOPIF options ----------
1211 ------------------------------------
1212*/
1213/**
1214 * LWIP_HAVE_LOOPIF==1: Support loop interface (127.0.0.1) and loopif.c
1215 */
1216#ifndef LWIP_HAVE_LOOPIF
1217#define LWIP_HAVE_LOOPIF 0
1218#endif
1219
1220/*
1221 ------------------------------------
1222 ---------- SLIPIF options ----------
1223 ------------------------------------
1224*/
1225/**
1226 * LWIP_HAVE_SLIPIF==1: Support slip interface and slipif.c
1227 */
1228#ifndef LWIP_HAVE_SLIPIF
1229#define LWIP_HAVE_SLIPIF 0
1230#endif
1231
1232/*
1233 ------------------------------------
1234 ---------- Thread options ----------
1235 ------------------------------------
1236*/
1237/**
1238 * TCPIP_THREAD_NAME: The name assigned to the main tcpip thread.
1239 */
1240#ifndef TCPIP_THREAD_NAME
1241#define TCPIP_THREAD_NAME "tcpip_thread"
1242#endif
1243
1244/**
1245 * TCPIP_THREAD_STACKSIZE: The stack size used by the main tcpip thread.
1246 * The stack size value itself is platform-dependent, but is passed to
1247 * sys_thread_new() when the thread is created.
1248 */
1249#ifndef TCPIP_THREAD_STACKSIZE
1250#define TCPIP_THREAD_STACKSIZE 0
1251#endif
1252
1253/**
1254 * TCPIP_THREAD_PRIO: The priority assigned to the main tcpip thread.
1255 * The priority value itself is platform-dependent, but is passed to
1256 * sys_thread_new() when the thread is created.
1257 */
1258#ifndef TCPIP_THREAD_PRIO
1259#define TCPIP_THREAD_PRIO 1
1260#endif
1261
1262/**
1263 * TCPIP_MBOX_SIZE: The mailbox size for the tcpip thread messages
1264 * The queue size value itself is platform-dependent, but is passed to
1265 * sys_mbox_new() when tcpip_init is called.
1266 */
1267#ifndef TCPIP_MBOX_SIZE
1268#define TCPIP_MBOX_SIZE 0
1269#endif
1270
1271/**
1272 * SLIPIF_THREAD_NAME: The name assigned to the slipif_loop thread.
1273 */
1274#ifndef SLIPIF_THREAD_NAME
1275#define SLIPIF_THREAD_NAME "slipif_loop"
1276#endif
1277
1278/**
1279 * SLIP_THREAD_STACKSIZE: The stack size used by the slipif_loop thread.
1280 * The stack size value itself is platform-dependent, but is passed to
1281 * sys_thread_new() when the thread is created.
1282 */
1283#ifndef SLIPIF_THREAD_STACKSIZE
1284#define SLIPIF_THREAD_STACKSIZE 0
1285#endif
1286
1287/**
1288 * SLIPIF_THREAD_PRIO: The priority assigned to the slipif_loop thread.
1289 * The priority value itself is platform-dependent, but is passed to
1290 * sys_thread_new() when the thread is created.
1291 */
1292#ifndef SLIPIF_THREAD_PRIO
1293#define SLIPIF_THREAD_PRIO 1
1294#endif
1295
1296/**
1297 * PPP_THREAD_NAME: The name assigned to the pppInputThread.
1298 */
1299#ifndef PPP_THREAD_NAME
1300#define PPP_THREAD_NAME "pppInputThread"
1301#endif
1302
1303/**
1304 * PPP_THREAD_STACKSIZE: The stack size used by the pppInputThread.
1305 * The stack size value itself is platform-dependent, but is passed to
1306 * sys_thread_new() when the thread is created.
1307 */
1308#ifndef PPP_THREAD_STACKSIZE
1309#define PPP_THREAD_STACKSIZE 0
1310#endif
1311
1312/**
1313 * PPP_THREAD_PRIO: The priority assigned to the pppInputThread.
1314 * The priority value itself is platform-dependent, but is passed to
1315 * sys_thread_new() when the thread is created.
1316 */
1317#ifndef PPP_THREAD_PRIO
1318#define PPP_THREAD_PRIO 1
1319#endif
1320
1321/**
1322 * DEFAULT_THREAD_NAME: The name assigned to any other lwIP thread.
1323 */
1324#ifndef DEFAULT_THREAD_NAME
1325#define DEFAULT_THREAD_NAME "lwIP"
1326#endif
1327
1328/**
1329 * DEFAULT_THREAD_STACKSIZE: The stack size used by any other lwIP thread.
1330 * The stack size value itself is platform-dependent, but is passed to
1331 * sys_thread_new() when the thread is created.
1332 */
1333#ifndef DEFAULT_THREAD_STACKSIZE
1334#define DEFAULT_THREAD_STACKSIZE 0
1335#endif
1336
1337/**
1338 * DEFAULT_THREAD_PRIO: The priority assigned to any other lwIP thread.
1339 * The priority value itself is platform-dependent, but is passed to
1340 * sys_thread_new() when the thread is created.
1341 */
1342#ifndef DEFAULT_THREAD_PRIO
1343#define DEFAULT_THREAD_PRIO 1
1344#endif
1345
1346/**
1347 * DEFAULT_RAW_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
1348 * NETCONN_RAW. The queue size value itself is platform-dependent, but is passed
1349 * to sys_mbox_new() when the recvmbox is created.
1350 */
1351#ifndef DEFAULT_RAW_RECVMBOX_SIZE
1352#define DEFAULT_RAW_RECVMBOX_SIZE 0
1353#endif
1354
1355/**
1356 * DEFAULT_UDP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
1357 * NETCONN_UDP. The queue size value itself is platform-dependent, but is passed
1358 * to sys_mbox_new() when the recvmbox is created.
1359 */
1360#ifndef DEFAULT_UDP_RECVMBOX_SIZE
1361#define DEFAULT_UDP_RECVMBOX_SIZE 0
1362#endif
1363
1364/**
1365 * DEFAULT_TCP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
1366 * NETCONN_TCP. The queue size value itself is platform-dependent, but is passed
1367 * to sys_mbox_new() when the recvmbox is created.
1368 */
1369#ifndef DEFAULT_TCP_RECVMBOX_SIZE
1370#define DEFAULT_TCP_RECVMBOX_SIZE 0
1371#endif
1372
1373/**
1374 * DEFAULT_ACCEPTMBOX_SIZE: The mailbox size for the incoming connections.
1375 * The queue size value itself is platform-dependent, but is passed to
1376 * sys_mbox_new() when the acceptmbox is created.
1377 */
1378#ifndef DEFAULT_ACCEPTMBOX_SIZE
1379#define DEFAULT_ACCEPTMBOX_SIZE 0
1380#endif
1381
1382/*
1383 ----------------------------------------------
1384 ---------- Sequential layer options ----------
1385 ----------------------------------------------
1386*/
1387/**
1388 * LWIP_TCPIP_CORE_LOCKING: (EXPERIMENTAL!)
1389 * Don't use it if you're not an active lwIP project member
1390 */
1391#ifndef LWIP_TCPIP_CORE_LOCKING
1392#define LWIP_TCPIP_CORE_LOCKING 0
1393#endif
1394
1395/**
1396 * LWIP_TCPIP_CORE_LOCKING_INPUT: (EXPERIMENTAL!)
1397 * Don't use it if you're not an active lwIP project member
1398 */
1399#ifndef LWIP_TCPIP_CORE_LOCKING_INPUT
1400#define LWIP_TCPIP_CORE_LOCKING_INPUT 0
1401#endif
1402
1403/**
1404 * LWIP_NETCONN==1: Enable Netconn API (require to use api_lib.c)
1405 */
1406#ifndef LWIP_NETCONN
1407#define LWIP_NETCONN 1
1408#endif
1409
1410/** LWIP_TCPIP_TIMEOUT==1: Enable tcpip_timeout/tcpip_untimeout tod create
1411 * timers running in tcpip_thread from another thread.
1412 */
1413#ifndef LWIP_TCPIP_TIMEOUT
1414#define LWIP_TCPIP_TIMEOUT 1
1415#endif
1416
1417/*
1418 ------------------------------------
1419 ---------- Socket options ----------
1420 ------------------------------------
1421*/
1422/**
1423 * LWIP_SOCKET==1: Enable Socket API (require to use sockets.c)
1424 */
1425#ifndef LWIP_SOCKET
1426#define LWIP_SOCKET 1
1427#endif
1428
1429/**
1430 * LWIP_COMPAT_SOCKETS==1: Enable BSD-style sockets functions names.
1431 * (only used if you use sockets.c)
1432 */
1433#ifndef LWIP_COMPAT_SOCKETS
1434#define LWIP_COMPAT_SOCKETS 1
1435#endif
1436
1437/**
1438 * LWIP_POSIX_SOCKETS_IO_NAMES==1: Enable POSIX-style sockets functions names.
1439 * Disable this option if you use a POSIX operating system that uses the same
1440 * names (read, write & close). (only used if you use sockets.c)
1441 */
1442#ifndef LWIP_POSIX_SOCKETS_IO_NAMES
1443#define LWIP_POSIX_SOCKETS_IO_NAMES 1
1444#endif
1445
1446/**
1447 * LWIP_TCP_KEEPALIVE==1: Enable TCP_KEEPIDLE, TCP_KEEPINTVL and TCP_KEEPCNT
1448 * options processing. Note that TCP_KEEPIDLE and TCP_KEEPINTVL have to be set
1449 * in seconds. (does not require sockets.c, and will affect tcp.c)
1450 */
1451#ifndef LWIP_TCP_KEEPALIVE
1452#define LWIP_TCP_KEEPALIVE 0
1453#endif
1454
1455/**
1456 * LWIP_SO_SNDTIMEO==1: Enable send timeout for sockets/netconns and
1457 * SO_SNDTIMEO processing.
1458 */
1459#ifndef LWIP_SO_SNDTIMEO
1460#define LWIP_SO_SNDTIMEO 0
1461#endif
1462
1463/**
1464 * LWIP_SO_RCVTIMEO==1: Enable receive timeout for sockets/netconns and
1465 * SO_RCVTIMEO processing.
1466 */
1467#ifndef LWIP_SO_RCVTIMEO
1468#define LWIP_SO_RCVTIMEO 0
1469#endif
1470
1471/**
1472 * LWIP_SO_RCVBUF==1: Enable SO_RCVBUF processing.
1473 */
1474#ifndef LWIP_SO_RCVBUF
1475#define LWIP_SO_RCVBUF 0
1476#endif
1477
1478/**
1479 * If LWIP_SO_RCVBUF is used, this is the default value for recv_bufsize.
1480 */
1481#ifndef RECV_BUFSIZE_DEFAULT
1482#define RECV_BUFSIZE_DEFAULT INT_MAX
1483#endif
1484
1485/**
1486 * SO_REUSE==1: Enable SO_REUSEADDR option.
1487 */
1488#ifndef SO_REUSE
1489#define SO_REUSE 0
1490#endif
1491
1492/**
1493 * SO_REUSE_RXTOALL==1: Pass a copy of incoming broadcast/multicast packets
1494 * to all local matches if SO_REUSEADDR is turned on.
1495 * WARNING: Adds a memcpy for every packet if passing to more than one pcb!
1496 */
1497#ifndef SO_REUSE_RXTOALL
1498#define SO_REUSE_RXTOALL 0
1499#endif
1500
1501/*
1502 ----------------------------------------
1503 ---------- Statistics options ----------
1504 ----------------------------------------
1505*/
1506/**
1507 * LWIP_STATS==1: Enable statistics collection in lwip_stats.
1508 */
1509#ifndef LWIP_STATS
1510#define LWIP_STATS 1
1511#endif
1512
1513#if LWIP_STATS
1514
1515/**
1516 * LWIP_STATS_DISPLAY==1: Compile in the statistics output functions.
1517 */
1518#ifndef LWIP_STATS_DISPLAY
1519#define LWIP_STATS_DISPLAY 0
1520#endif
1521
1522/**
1523 * LINK_STATS==1: Enable link stats.
1524 */
1525#ifndef LINK_STATS
1526#define LINK_STATS 1
1527#endif
1528
1529/**
1530 * ETHARP_STATS==1: Enable etharp stats.
1531 */
1532#ifndef ETHARP_STATS
1533#define ETHARP_STATS (LWIP_ARP)
1534#endif
1535
1536/**
1537 * IP_STATS==1: Enable IP stats.
1538 */
1539#ifndef IP_STATS
1540#define IP_STATS 1
1541#endif
1542
1543/**
1544 * IPFRAG_STATS==1: Enable IP fragmentation stats. Default is
1545 * on if using either frag or reass.
1546 */
1547#ifndef IPFRAG_STATS
1548#define IPFRAG_STATS (IP_REASSEMBLY || IP_FRAG)
1549#endif
1550
1551/**
1552 * ICMP_STATS==1: Enable ICMP stats.
1553 */
1554#ifndef ICMP_STATS
1555#define ICMP_STATS 1
1556#endif
1557
1558/**
1559 * IGMP_STATS==1: Enable IGMP stats.
1560 */
1561#ifndef IGMP_STATS
1562#define IGMP_STATS (LWIP_IGMP)
1563#endif
1564
1565/**
1566 * UDP_STATS==1: Enable UDP stats. Default is on if
1567 * UDP enabled, otherwise off.
1568 */
1569#ifndef UDP_STATS
1570#define UDP_STATS (LWIP_UDP)
1571#endif
1572
1573/**
1574 * TCP_STATS==1: Enable TCP stats. Default is on if TCP
1575 * enabled, otherwise off.
1576 */
1577#ifndef TCP_STATS
1578#define TCP_STATS (LWIP_TCP)
1579#endif
1580
1581/**
1582 * MEM_STATS==1: Enable mem.c stats.
1583 */
1584#ifndef MEM_STATS
1585#define MEM_STATS ((MEM_LIBC_MALLOC == 0) && (MEM_USE_POOLS == 0))
1586#endif
1587
1588/**
1589 * MEMP_STATS==1: Enable memp.c pool stats.
1590 */
1591#ifndef MEMP_STATS
1592#define MEMP_STATS (MEMP_MEM_MALLOC == 0)
1593#endif
1594
1595/**
1596 * SYS_STATS==1: Enable system stats (sem and mbox counts, etc).
1597 */
1598#ifndef SYS_STATS
1599#define SYS_STATS (NO_SYS == 0)
1600#endif
1601
1602#else
1603
1604#define LINK_STATS 0
1605#define IP_STATS 0
1606#define IPFRAG_STATS 0
1607#define ICMP_STATS 0
1608#define IGMP_STATS 0
1609#define UDP_STATS 0
1610#define TCP_STATS 0
1611#define MEM_STATS 0
1612#define MEMP_STATS 0
1613#define SYS_STATS 0
1614#define LWIP_STATS_DISPLAY 0
1615
1616#endif /* LWIP_STATS */
1617
1618/*
1619 ---------------------------------
1620 ---------- PPP options ----------
1621 ---------------------------------
1622*/
1623/**
1624 * PPP_SUPPORT==1: Enable PPP.
1625 */
1626#ifndef PPP_SUPPORT
1627#define PPP_SUPPORT 0
1628#endif
1629
1630/**
1631 * PPPOE_SUPPORT==1: Enable PPP Over Ethernet
1632 */
1633#ifndef PPPOE_SUPPORT
1634#define PPPOE_SUPPORT 0
1635#endif
1636
1637/**
1638 * PPPOS_SUPPORT==1: Enable PPP Over Serial
1639 */
1640#ifndef PPPOS_SUPPORT
1641#define PPPOS_SUPPORT PPP_SUPPORT
1642#endif
1643
1644#if PPP_SUPPORT
1645
1646/**
1647 * NUM_PPP: Max PPP sessions.
1648 */
1649#ifndef NUM_PPP
1650#define NUM_PPP 1
1651#endif
1652
1653/**
1654 * PAP_SUPPORT==1: Support PAP.
1655 */
1656#ifndef PAP_SUPPORT
1657#define PAP_SUPPORT 0
1658#endif
1659
1660/**
1661 * CHAP_SUPPORT==1: Support CHAP.
1662 */
1663#ifndef CHAP_SUPPORT
1664#define CHAP_SUPPORT 0
1665#endif
1666
1667/**
1668 * MSCHAP_SUPPORT==1: Support MSCHAP. CURRENTLY NOT SUPPORTED! DO NOT SET!
1669 */
1670#ifndef MSCHAP_SUPPORT
1671#define MSCHAP_SUPPORT 0
1672#endif
1673
1674/**
1675 * CBCP_SUPPORT==1: Support CBCP. CURRENTLY NOT SUPPORTED! DO NOT SET!
1676 */
1677#ifndef CBCP_SUPPORT
1678#define CBCP_SUPPORT 0
1679#endif
1680
1681/**
1682 * CCP_SUPPORT==1: Support CCP. CURRENTLY NOT SUPPORTED! DO NOT SET!
1683 */
1684#ifndef CCP_SUPPORT
1685#define CCP_SUPPORT 0
1686#endif
1687
1688/**
1689 * VJ_SUPPORT==1: Support VJ header compression.
1690 */
1691#ifndef VJ_SUPPORT
1692#define VJ_SUPPORT 0
1693#endif
1694
1695/**
1696 * MD5_SUPPORT==1: Support MD5 (see also CHAP).
1697 */
1698#ifndef MD5_SUPPORT
1699#define MD5_SUPPORT 0
1700#endif
1701
1702/*
1703 * Timeouts
1704 */
1705#ifndef FSM_DEFTIMEOUT
1706#define FSM_DEFTIMEOUT 6 /* Timeout time in seconds */
1707#endif
1708
1709#ifndef FSM_DEFMAXTERMREQS
1710#define FSM_DEFMAXTERMREQS 2 /* Maximum Terminate-Request transmissions */
1711#endif
1712
1713#ifndef FSM_DEFMAXCONFREQS
1714#define FSM_DEFMAXCONFREQS 10 /* Maximum Configure-Request transmissions */
1715#endif
1716
1717#ifndef FSM_DEFMAXNAKLOOPS
1718#define FSM_DEFMAXNAKLOOPS 5 /* Maximum number of nak loops */
1719#endif
1720
1721#ifndef UPAP_DEFTIMEOUT
1722#define UPAP_DEFTIMEOUT 6 /* Timeout (seconds) for retransmitting req */
1723#endif
1724
1725#ifndef UPAP_DEFREQTIME
1726#define UPAP_DEFREQTIME 30 /* Time to wait for auth-req from peer */
1727#endif
1728
1729#ifndef CHAP_DEFTIMEOUT
1730#define CHAP_DEFTIMEOUT 6 /* Timeout time in seconds */
1731#endif
1732
1733#ifndef CHAP_DEFTRANSMITS
1734#define CHAP_DEFTRANSMITS 10 /* max # times to send challenge */
1735#endif
1736
1737/* Interval in seconds between keepalive echo requests, 0 to disable. */
1738#ifndef LCP_ECHOINTERVAL
1739#define LCP_ECHOINTERVAL 0
1740#endif
1741
1742/* Number of unanswered echo requests before failure. */
1743#ifndef LCP_MAXECHOFAILS
1744#define LCP_MAXECHOFAILS 3
1745#endif
1746
1747/* Max Xmit idle time (in jiffies) before resend flag char. */
1748#ifndef PPP_MAXIDLEFLAG
1749#define PPP_MAXIDLEFLAG 100
1750#endif
1751
1752/*
1753 * Packet sizes
1754 *
1755 * Note - lcp shouldn't be allowed to negotiate stuff outside these
1756 * limits. See lcp.h in the pppd directory.
1757 * (XXX - these constants should simply be shared by lcp.c instead
1758 * of living in lcp.h)
1759 */
1760#define PPP_MTU 1500 /* Default MTU (size of Info field) */
1761#ifndef PPP_MAXMTU
1762/* #define PPP_MAXMTU 65535 - (PPP_HDRLEN + PPP_FCSLEN) */
1763#define PPP_MAXMTU 1500 /* Largest MTU we allow */
1764#endif
1765#define PPP_MINMTU 64
1766#define PPP_MRU 1500 /* default MRU = max length of info field */
1767#define PPP_MAXMRU 1500 /* Largest MRU we allow */
1768#ifndef PPP_DEFMRU
1769#define PPP_DEFMRU 296 /* Try for this */
1770#endif
1771#define PPP_MINMRU 128 /* No MRUs below this */
1772
1773#ifndef MAXNAMELEN
1774#define MAXNAMELEN 256 /* max length of hostname or name for auth */
1775#endif
1776#ifndef MAXSECRETLEN
1777#define MAXSECRETLEN 256 /* max length of password or secret */
1778#endif
1779
1780#endif /* PPP_SUPPORT */
1781
1782/*
1783 --------------------------------------
1784 ---------- Checksum options ----------
1785 --------------------------------------
1786*/
1787/**
1788 * CHECKSUM_GEN_IP==1: Generate checksums in software for outgoing IP packets.
1789 */
1790#ifndef CHECKSUM_GEN_IP
1791#define CHECKSUM_GEN_IP 1
1792#endif
1793
1794/**
1795 * CHECKSUM_GEN_UDP==1: Generate checksums in software for outgoing UDP packets.
1796 */
1797#ifndef CHECKSUM_GEN_UDP
1798#define CHECKSUM_GEN_UDP 1
1799#endif
1800
1801/**
1802 * CHECKSUM_GEN_TCP==1: Generate checksums in software for outgoing TCP packets.
1803 */
1804#ifndef CHECKSUM_GEN_TCP
1805#define CHECKSUM_GEN_TCP 1
1806#endif
1807
1808/**
1809 * CHECKSUM_GEN_ICMP==1: Generate checksums in software for outgoing ICMP packets.
1810 */
1811#ifndef CHECKSUM_GEN_ICMP
1812#define CHECKSUM_GEN_ICMP 1
1813#endif
1814
1815/**
1816 * CHECKSUM_CHECK_IP==1: Check checksums in software for incoming IP packets.
1817 */
1818#ifndef CHECKSUM_CHECK_IP
1819#define CHECKSUM_CHECK_IP 1
1820#endif
1821
1822/**
1823 * CHECKSUM_CHECK_UDP==1: Check checksums in software for incoming UDP packets.
1824 */
1825#ifndef CHECKSUM_CHECK_UDP
1826#define CHECKSUM_CHECK_UDP 1
1827#endif
1828
1829/**
1830 * CHECKSUM_CHECK_TCP==1: Check checksums in software for incoming TCP packets.
1831 */
1832#ifndef CHECKSUM_CHECK_TCP
1833#define CHECKSUM_CHECK_TCP 1
1834#endif
1835
1836/**
1837 * LWIP_CHECKSUM_ON_COPY==1: Calculate checksum when copying data from
1838 * application buffers to pbufs.
1839 */
1840#ifndef LWIP_CHECKSUM_ON_COPY
1841#define LWIP_CHECKSUM_ON_COPY 0
1842#endif
1843
1844/*
1845 ---------------------------------------
1846 ---------- Hook options ---------------
1847 ---------------------------------------
1848*/
1849
1850/* Hooks are undefined by default, define them to a function if you need them. */
1851
1852/**
1853 * LWIP_HOOK_IP4_INPUT(pbuf, input_netif):
1854 * - called from ip_input() (IPv4)
1855 * - pbuf: received struct pbuf passed to ip_input()
1856 * - input_netif: struct netif on which the packet has been received
1857 * Return values:
1858 * - 0: Hook has not consumed the packet, packet is processed as normal
1859 * - != 0: Hook has consumed the packet.
1860 * If the hook consumed the packet, 'pbuf' is in the responsibility of the hook
1861 * (i.e. free it when done).
1862 */
1863
1864/**
1865 * LWIP_HOOK_IP4_ROUTE(dest):
1866 * - called from ip_route() (IPv4)
1867 * - dest: destination IPv4 address
1868 * Returns the destination netif or NULL if no destination netif is found. In
1869 * that case, ip_route() continues as normal.
1870 */
1871
1872/*
1873 ---------------------------------------
1874 ---------- Debugging options ----------
1875 ---------------------------------------
1876*/
1877/**
1878 * LWIP_DBG_MIN_LEVEL: After masking, the value of the debug is
1879 * compared against this value. If it is smaller, then debugging
1880 * messages are written.
1881 */
1882#ifndef LWIP_DBG_MIN_LEVEL
1883#define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_ALL
1884#endif
1885
1886/**
1887 * LWIP_DBG_TYPES_ON: A mask that can be used to globally enable/disable
1888 * debug messages of certain types.
1889 */
1890#ifndef LWIP_DBG_TYPES_ON
1891#define LWIP_DBG_TYPES_ON LWIP_DBG_ON
1892#endif
1893
1894/**
1895 * ETHARP_DEBUG: Enable debugging in etharp.c.
1896 */
1897#ifndef ETHARP_DEBUG
1898#define ETHARP_DEBUG LWIP_DBG_OFF
1899#endif
1900
1901/**
1902 * NETIF_DEBUG: Enable debugging in netif.c.
1903 */
1904#ifndef NETIF_DEBUG
1905#define NETIF_DEBUG LWIP_DBG_OFF
1906#endif
1907
1908/**
1909 * PBUF_DEBUG: Enable debugging in pbuf.c.
1910 */
1911#ifndef PBUF_DEBUG
1912#define PBUF_DEBUG LWIP_DBG_OFF
1913#endif
1914
1915/**
1916 * API_LIB_DEBUG: Enable debugging in api_lib.c.
1917 */
1918#ifndef API_LIB_DEBUG
1919#define API_LIB_DEBUG LWIP_DBG_OFF
1920#endif
1921
1922/**
1923 * API_MSG_DEBUG: Enable debugging in api_msg.c.
1924 */
1925#ifndef API_MSG_DEBUG
1926#define API_MSG_DEBUG LWIP_DBG_OFF
1927#endif
1928
1929/**
1930 * SOCKETS_DEBUG: Enable debugging in sockets.c.
1931 */
1932#ifndef SOCKETS_DEBUG
1933#define SOCKETS_DEBUG LWIP_DBG_OFF
1934#endif
1935
1936/**
1937 * ICMP_DEBUG: Enable debugging in icmp.c.
1938 */
1939#ifndef ICMP_DEBUG
1940#define ICMP_DEBUG LWIP_DBG_OFF
1941#endif
1942
1943/**
1944 * IGMP_DEBUG: Enable debugging in igmp.c.
1945 */
1946#ifndef IGMP_DEBUG
1947#define IGMP_DEBUG LWIP_DBG_OFF
1948#endif
1949
1950/**
1951 * INET_DEBUG: Enable debugging in inet.c.
1952 */
1953#ifndef INET_DEBUG
1954#define INET_DEBUG LWIP_DBG_OFF
1955#endif
1956
1957/**
1958 * IP_DEBUG: Enable debugging for IP.
1959 */
1960#ifndef IP_DEBUG
1961#define IP_DEBUG LWIP_DBG_OFF
1962#endif
1963
1964/**
1965 * IP_REASS_DEBUG: Enable debugging in ip_frag.c for both frag & reass.
1966 */
1967#ifndef IP_REASS_DEBUG
1968#define IP_REASS_DEBUG LWIP_DBG_OFF
1969#endif
1970
1971/**
1972 * RAW_DEBUG: Enable debugging in raw.c.
1973 */
1974#ifndef RAW_DEBUG
1975#define RAW_DEBUG LWIP_DBG_OFF
1976#endif
1977
1978/**
1979 * MEM_DEBUG: Enable debugging in mem.c.
1980 */
1981#ifndef MEM_DEBUG
1982#define MEM_DEBUG LWIP_DBG_OFF
1983#endif
1984
1985/**
1986 * MEMP_DEBUG: Enable debugging in memp.c.
1987 */
1988#ifndef MEMP_DEBUG
1989#define MEMP_DEBUG LWIP_DBG_OFF
1990#endif
1991
1992/**
1993 * SYS_DEBUG: Enable debugging in sys.c.
1994 */
1995#ifndef SYS_DEBUG
1996#define SYS_DEBUG LWIP_DBG_OFF
1997#endif
1998
1999/**
2000 * TIMERS_DEBUG: Enable debugging in timers.c.
2001 */
2002#ifndef TIMERS_DEBUG
2003#define TIMERS_DEBUG LWIP_DBG_OFF
2004#endif
2005
2006/**
2007 * TCP_DEBUG: Enable debugging for TCP.
2008 */
2009#ifndef TCP_DEBUG
2010#define TCP_DEBUG LWIP_DBG_OFF
2011#endif
2012
2013/**
2014 * TCP_INPUT_DEBUG: Enable debugging in tcp_in.c for incoming debug.
2015 */
2016#ifndef TCP_INPUT_DEBUG
2017#define TCP_INPUT_DEBUG LWIP_DBG_OFF
2018#endif
2019
2020/**
2021 * TCP_FR_DEBUG: Enable debugging in tcp_in.c for fast retransmit.
2022 */
2023#ifndef TCP_FR_DEBUG
2024#define TCP_FR_DEBUG LWIP_DBG_OFF
2025#endif
2026
2027/**
2028 * TCP_RTO_DEBUG: Enable debugging in TCP for retransmit
2029 * timeout.
2030 */
2031#ifndef TCP_RTO_DEBUG
2032#define TCP_RTO_DEBUG LWIP_DBG_OFF
2033#endif
2034
2035/**
2036 * TCP_CWND_DEBUG: Enable debugging for TCP congestion window.
2037 */
2038#ifndef TCP_CWND_DEBUG
2039#define TCP_CWND_DEBUG LWIP_DBG_OFF
2040#endif
2041
2042/**
2043 * TCP_WND_DEBUG: Enable debugging in tcp_in.c for window updating.
2044 */
2045#ifndef TCP_WND_DEBUG
2046#define TCP_WND_DEBUG LWIP_DBG_OFF
2047#endif
2048
2049/**
2050 * TCP_OUTPUT_DEBUG: Enable debugging in tcp_out.c output functions.
2051 */
2052#ifndef TCP_OUTPUT_DEBUG
2053#define TCP_OUTPUT_DEBUG LWIP_DBG_OFF
2054#endif
2055
2056/**
2057 * TCP_RST_DEBUG: Enable debugging for TCP with the RST message.
2058 */
2059#ifndef TCP_RST_DEBUG
2060#define TCP_RST_DEBUG LWIP_DBG_OFF
2061#endif
2062
2063/**
2064 * TCP_QLEN_DEBUG: Enable debugging for TCP queue lengths.
2065 */
2066#ifndef TCP_QLEN_DEBUG
2067#define TCP_QLEN_DEBUG LWIP_DBG_OFF
2068#endif
2069
2070/**
2071 * UDP_DEBUG: Enable debugging in UDP.
2072 */
2073#ifndef UDP_DEBUG
2074#define UDP_DEBUG LWIP_DBG_OFF
2075#endif
2076
2077/**
2078 * TCPIP_DEBUG: Enable debugging in tcpip.c.
2079 */
2080#ifndef TCPIP_DEBUG
2081#define TCPIP_DEBUG LWIP_DBG_OFF
2082#endif
2083
2084/**
2085 * PPP_DEBUG: Enable debugging for PPP.
2086 */
2087#ifndef PPP_DEBUG
2088#define PPP_DEBUG LWIP_DBG_OFF
2089#endif
2090
2091/**
2092 * SLIP_DEBUG: Enable debugging in slipif.c.
2093 */
2094#ifndef SLIP_DEBUG
2095#define SLIP_DEBUG LWIP_DBG_OFF
2096#endif
2097
2098/**
2099 * DHCP_DEBUG: Enable debugging in dhcp.c.
2100 */
2101#ifndef DHCP_DEBUG
2102#define DHCP_DEBUG LWIP_DBG_OFF
2103#endif
2104
2105/**
2106 * AUTOIP_DEBUG: Enable debugging in autoip.c.
2107 */
2108#ifndef AUTOIP_DEBUG
2109#define AUTOIP_DEBUG LWIP_DBG_OFF
2110#endif
2111
2112/**
2113 * SNMP_MSG_DEBUG: Enable debugging for SNMP messages.
2114 */
2115#ifndef SNMP_MSG_DEBUG
2116#define SNMP_MSG_DEBUG LWIP_DBG_OFF
2117#endif
2118
2119/**
2120 * SNMP_MIB_DEBUG: Enable debugging for SNMP MIBs.
2121 */
2122#ifndef SNMP_MIB_DEBUG
2123#define SNMP_MIB_DEBUG LWIP_DBG_OFF
2124#endif
2125
2126/**
2127 * DNS_DEBUG: Enable debugging for DNS.
2128 */
2129#ifndef DNS_DEBUG
2130#define DNS_DEBUG LWIP_DBG_OFF
2131#endif
2132
2133#endif /* __LWIP_OPT_H__ */
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