[TCPIP]
[reactos.git] / reactos / lib / drivers / lwip / src / include / lwip / opt.h
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 */
313 #ifndef MEMP_NUM_SYS_TIMEOUT
314 #define MEMP_NUM_SYS_TIMEOUT 3
315 #endif
316
317 /**
318 * MEMP_NUM_NETBUF: the number of struct netbufs.
319 * (only needed if you use the sequential API, like api_lib.c)
320 */
321 #ifndef MEMP_NUM_NETBUF
322 #define MEMP_NUM_NETBUF 2
323 #endif
324
325 /**
326 * MEMP_NUM_NETCONN: the number of struct netconns.
327 * (only needed if you use the sequential API, like api_lib.c)
328 */
329 #ifndef MEMP_NUM_NETCONN
330 #define MEMP_NUM_NETCONN 4
331 #endif
332
333 /**
334 * MEMP_NUM_TCPIP_MSG_API: the number of struct tcpip_msg, which are used
335 * for callback/timeout API communication.
336 * (only needed if you use tcpip.c)
337 */
338 #ifndef MEMP_NUM_TCPIP_MSG_API
339 #define MEMP_NUM_TCPIP_MSG_API 8
340 #endif
341
342 /**
343 * MEMP_NUM_TCPIP_MSG_INPKT: the number of struct tcpip_msg, which are used
344 * for incoming packets.
345 * (only needed if you use tcpip.c)
346 */
347 #ifndef MEMP_NUM_TCPIP_MSG_INPKT
348 #define MEMP_NUM_TCPIP_MSG_INPKT 8
349 #endif
350
351 /**
352 * MEMP_NUM_SNMP_NODE: the number of leafs in the SNMP tree.
353 */
354 #ifndef MEMP_NUM_SNMP_NODE
355 #define MEMP_NUM_SNMP_NODE 50
356 #endif
357
358 /**
359 * MEMP_NUM_SNMP_ROOTNODE: the number of branches in the SNMP tree.
360 * Every branch has one leaf (MEMP_NUM_SNMP_NODE) at least!
361 */
362 #ifndef MEMP_NUM_SNMP_ROOTNODE
363 #define MEMP_NUM_SNMP_ROOTNODE 30
364 #endif
365
366 /**
367 * MEMP_NUM_SNMP_VARBIND: the number of concurrent requests (does not have to
368 * be changed normally) - 2 of these are used per request (1 for input,
369 * 1 for output)
370 */
371 #ifndef MEMP_NUM_SNMP_VARBIND
372 #define MEMP_NUM_SNMP_VARBIND 2
373 #endif
374
375 /**
376 * MEMP_NUM_SNMP_VALUE: the number of OID or values concurrently used
377 * (does not have to be changed normally) - 3 of these are used per request
378 * (1 for the value read and 2 for OIDs - input and output)
379 */
380 #ifndef MEMP_NUM_SNMP_VALUE
381 #define MEMP_NUM_SNMP_VALUE 3
382 #endif
383
384 /**
385 * MEMP_NUM_NETDB: the number of concurrently running lwip_addrinfo() calls
386 * (before freeing the corresponding memory using lwip_freeaddrinfo()).
387 */
388 #ifndef MEMP_NUM_NETDB
389 #define MEMP_NUM_NETDB 1
390 #endif
391
392 /**
393 * MEMP_NUM_LOCALHOSTLIST: the number of host entries in the local host list
394 * if DNS_LOCAL_HOSTLIST_IS_DYNAMIC==1.
395 */
396 #ifndef MEMP_NUM_LOCALHOSTLIST
397 #define MEMP_NUM_LOCALHOSTLIST 1
398 #endif
399
400 /**
401 * MEMP_NUM_PPPOE_INTERFACES: the number of concurrently active PPPoE
402 * interfaces (only used with PPPOE_SUPPORT==1)
403 */
404 #ifndef MEMP_NUM_PPPOE_INTERFACES
405 #define MEMP_NUM_PPPOE_INTERFACES 1
406 #endif
407
408 /**
409 * PBUF_POOL_SIZE: the number of buffers in the pbuf pool.
410 */
411 #ifndef PBUF_POOL_SIZE
412 #define PBUF_POOL_SIZE 16
413 #endif
414
415 /*
416 ---------------------------------
417 ---------- ARP options ----------
418 ---------------------------------
419 */
420 /**
421 * LWIP_ARP==1: Enable ARP functionality.
422 */
423 #ifndef LWIP_ARP
424 #define LWIP_ARP 1
425 #endif
426
427 /**
428 * ARP_TABLE_SIZE: Number of active MAC-IP address pairs cached.
429 */
430 #ifndef ARP_TABLE_SIZE
431 #define ARP_TABLE_SIZE 10
432 #endif
433
434 /**
435 * ARP_QUEUEING==1: Multiple outgoing packets are queued during hardware address
436 * resolution. By default, only the most recent packet is queued per IP address.
437 * This is sufficient for most protocols and mainly reduces TCP connection
438 * startup time. Set this to 1 if you know your application sends more than one
439 * packet in a row to an IP address that is not in the ARP cache.
440 */
441 #ifndef ARP_QUEUEING
442 #define ARP_QUEUEING 0
443 #endif
444
445 /**
446 * ETHARP_TRUST_IP_MAC==1: Incoming IP packets cause the ARP table to be
447 * updated with the source MAC and IP addresses supplied in the packet.
448 * You may want to disable this if you do not trust LAN peers to have the
449 * correct addresses, or as a limited approach to attempt to handle
450 * spoofing. If disabled, lwIP will need to make a new ARP request if
451 * the peer is not already in the ARP table, adding a little latency.
452 * The peer *is* in the ARP table if it requested our address before.
453 * Also notice that this slows down input processing of every IP packet!
454 */
455 #ifndef ETHARP_TRUST_IP_MAC
456 #define ETHARP_TRUST_IP_MAC 0
457 #endif
458
459 /**
460 * ETHARP_SUPPORT_VLAN==1: support receiving ethernet packets with VLAN header.
461 * Additionally, you can define ETHARP_VLAN_CHECK to an u16_t VLAN ID to check.
462 * If ETHARP_VLAN_CHECK is defined, only VLAN-traffic for this VLAN is accepted.
463 * If ETHARP_VLAN_CHECK is not defined, all traffic is accepted.
464 */
465 #ifndef ETHARP_SUPPORT_VLAN
466 #define ETHARP_SUPPORT_VLAN 0
467 #endif
468
469 /** LWIP_ETHERNET==1: enable ethernet support for PPPoE even though ARP
470 * might be disabled
471 */
472 #ifndef LWIP_ETHERNET
473 #define LWIP_ETHERNET (LWIP_ARP || PPPOE_SUPPORT)
474 #endif
475
476 /** ETH_PAD_SIZE: number of bytes added before the ethernet header to ensure
477 * alignment of payload after that header. Since the header is 14 bytes long,
478 * without this padding e.g. addresses in the IP header will not be aligned
479 * on a 32-bit boundary, so setting this to 2 can speed up 32-bit-platforms.
480 */
481 #ifndef ETH_PAD_SIZE
482 #define ETH_PAD_SIZE 0
483 #endif
484
485 /** ETHARP_SUPPORT_STATIC_ENTRIES==1: enable code to support static ARP table
486 * entries (using etharp_add_static_entry/etharp_remove_static_entry).
487 */
488 #ifndef ETHARP_SUPPORT_STATIC_ENTRIES
489 #define ETHARP_SUPPORT_STATIC_ENTRIES 0
490 #endif
491
492
493 /*
494 --------------------------------
495 ---------- IP options ----------
496 --------------------------------
497 */
498 /**
499 * IP_FORWARD==1: Enables the ability to forward IP packets across network
500 * interfaces. If you are going to run lwIP on a device with only one network
501 * interface, define this to 0.
502 */
503 #ifndef IP_FORWARD
504 #define IP_FORWARD 0
505 #endif
506
507 /**
508 * IP_OPTIONS_ALLOWED: Defines the behavior for IP options.
509 * IP_OPTIONS_ALLOWED==0: All packets with IP options are dropped.
510 * IP_OPTIONS_ALLOWED==1: IP options are allowed (but not parsed).
511 */
512 #ifndef IP_OPTIONS_ALLOWED
513 #define IP_OPTIONS_ALLOWED 1
514 #endif
515
516 /**
517 * IP_REASSEMBLY==1: Reassemble incoming fragmented IP packets. Note that
518 * this option does not affect outgoing packet sizes, which can be controlled
519 * via IP_FRAG.
520 */
521 #ifndef IP_REASSEMBLY
522 #define IP_REASSEMBLY 1
523 #endif
524
525 /**
526 * IP_FRAG==1: Fragment outgoing IP packets if their size exceeds MTU. Note
527 * that this option does not affect incoming packet sizes, which can be
528 * controlled via IP_REASSEMBLY.
529 */
530 #ifndef IP_FRAG
531 #define IP_FRAG 1
532 #endif
533
534 /**
535 * IP_REASS_MAXAGE: Maximum time (in multiples of IP_TMR_INTERVAL - so seconds, normally)
536 * a fragmented IP packet waits for all fragments to arrive. If not all fragments arrived
537 * in this time, the whole packet is discarded.
538 */
539 #ifndef IP_REASS_MAXAGE
540 #define IP_REASS_MAXAGE 3
541 #endif
542
543 /**
544 * IP_REASS_MAX_PBUFS: Total maximum amount of pbufs waiting to be reassembled.
545 * Since the received pbufs are enqueued, be sure to configure
546 * PBUF_POOL_SIZE > IP_REASS_MAX_PBUFS so that the stack is still able to receive
547 * packets even if the maximum amount of fragments is enqueued for reassembly!
548 */
549 #ifndef IP_REASS_MAX_PBUFS
550 #define IP_REASS_MAX_PBUFS 10
551 #endif
552
553 /**
554 * IP_FRAG_USES_STATIC_BUF==1: Use a static MTU-sized buffer for IP
555 * fragmentation. Otherwise pbufs are allocated and reference the original
556 * packet data to be fragmented (or with LWIP_NETIF_TX_SINGLE_PBUF==1,
557 * new PBUF_RAM pbufs are used for fragments).
558 * ATTENTION: IP_FRAG_USES_STATIC_BUF==1 may not be used for DMA-enabled MACs!
559 */
560 #ifndef IP_FRAG_USES_STATIC_BUF
561 #define IP_FRAG_USES_STATIC_BUF 0
562 #endif
563
564 /**
565 * IP_FRAG_MAX_MTU: Assumed max MTU on any interface for IP frag buffer
566 * (requires IP_FRAG_USES_STATIC_BUF==1)
567 */
568 #if IP_FRAG_USES_STATIC_BUF && !defined(IP_FRAG_MAX_MTU)
569 #define IP_FRAG_MAX_MTU 1500
570 #endif
571
572 /**
573 * IP_DEFAULT_TTL: Default value for Time-To-Live used by transport layers.
574 */
575 #ifndef IP_DEFAULT_TTL
576 #define IP_DEFAULT_TTL 255
577 #endif
578
579 /**
580 * IP_SOF_BROADCAST=1: Use the SOF_BROADCAST field to enable broadcast
581 * filter per pcb on udp and raw send operations. To enable broadcast filter
582 * on recv operations, you also have to set IP_SOF_BROADCAST_RECV=1.
583 */
584 #ifndef IP_SOF_BROADCAST
585 #define IP_SOF_BROADCAST 0
586 #endif
587
588 /**
589 * IP_SOF_BROADCAST_RECV (requires IP_SOF_BROADCAST=1) enable the broadcast
590 * filter on recv operations.
591 */
592 #ifndef IP_SOF_BROADCAST_RECV
593 #define IP_SOF_BROADCAST_RECV 0
594 #endif
595
596 /*
597 ----------------------------------
598 ---------- ICMP options ----------
599 ----------------------------------
600 */
601 /**
602 * LWIP_ICMP==1: Enable ICMP module inside the IP stack.
603 * Be careful, disable that make your product non-compliant to RFC1122
604 */
605 #ifndef LWIP_ICMP
606 #define LWIP_ICMP 1
607 #endif
608
609 /**
610 * ICMP_TTL: Default value for Time-To-Live used by ICMP packets.
611 */
612 #ifndef ICMP_TTL
613 #define ICMP_TTL (IP_DEFAULT_TTL)
614 #endif
615
616 /**
617 * LWIP_BROADCAST_PING==1: respond to broadcast pings (default is unicast only)
618 */
619 #ifndef LWIP_BROADCAST_PING
620 #define LWIP_BROADCAST_PING 0
621 #endif
622
623 /**
624 * LWIP_MULTICAST_PING==1: respond to multicast pings (default is unicast only)
625 */
626 #ifndef LWIP_MULTICAST_PING
627 #define LWIP_MULTICAST_PING 0
628 #endif
629
630 /*
631 ---------------------------------
632 ---------- RAW options ----------
633 ---------------------------------
634 */
635 /**
636 * LWIP_RAW==1: Enable application layer to hook into the IP layer itself.
637 */
638 #ifndef LWIP_RAW
639 #define LWIP_RAW 1
640 #endif
641
642 /**
643 * LWIP_RAW==1: Enable application layer to hook into the IP layer itself.
644 */
645 #ifndef RAW_TTL
646 #define RAW_TTL (IP_DEFAULT_TTL)
647 #endif
648
649 /*
650 ----------------------------------
651 ---------- DHCP options ----------
652 ----------------------------------
653 */
654 /**
655 * LWIP_DHCP==1: Enable DHCP module.
656 */
657 #ifndef LWIP_DHCP
658 #define LWIP_DHCP 0
659 #endif
660
661 /**
662 * DHCP_DOES_ARP_CHECK==1: Do an ARP check on the offered address.
663 */
664 #ifndef DHCP_DOES_ARP_CHECK
665 #define DHCP_DOES_ARP_CHECK ((LWIP_DHCP) && (LWIP_ARP))
666 #endif
667
668 /*
669 ------------------------------------
670 ---------- AUTOIP options ----------
671 ------------------------------------
672 */
673 /**
674 * LWIP_AUTOIP==1: Enable AUTOIP module.
675 */
676 #ifndef LWIP_AUTOIP
677 #define LWIP_AUTOIP 0
678 #endif
679
680 /**
681 * LWIP_DHCP_AUTOIP_COOP==1: Allow DHCP and AUTOIP to be both enabled on
682 * the same interface at the same time.
683 */
684 #ifndef LWIP_DHCP_AUTOIP_COOP
685 #define LWIP_DHCP_AUTOIP_COOP 0
686 #endif
687
688 /**
689 * LWIP_DHCP_AUTOIP_COOP_TRIES: Set to the number of DHCP DISCOVER probes
690 * that should be sent before falling back on AUTOIP. This can be set
691 * as low as 1 to get an AutoIP address very quickly, but you should
692 * be prepared to handle a changing IP address when DHCP overrides
693 * AutoIP.
694 */
695 #ifndef LWIP_DHCP_AUTOIP_COOP_TRIES
696 #define LWIP_DHCP_AUTOIP_COOP_TRIES 9
697 #endif
698
699 /*
700 ----------------------------------
701 ---------- SNMP options ----------
702 ----------------------------------
703 */
704 /**
705 * LWIP_SNMP==1: Turn on SNMP module. UDP must be available for SNMP
706 * transport.
707 */
708 #ifndef LWIP_SNMP
709 #define LWIP_SNMP 0
710 #endif
711
712 /**
713 * SNMP_CONCURRENT_REQUESTS: Number of concurrent requests the module will
714 * allow. At least one request buffer is required.
715 * Does not have to be changed unless external MIBs answer request asynchronously
716 */
717 #ifndef SNMP_CONCURRENT_REQUESTS
718 #define SNMP_CONCURRENT_REQUESTS 1
719 #endif
720
721 /**
722 * SNMP_TRAP_DESTINATIONS: Number of trap destinations. At least one trap
723 * destination is required
724 */
725 #ifndef SNMP_TRAP_DESTINATIONS
726 #define SNMP_TRAP_DESTINATIONS 1
727 #endif
728
729 /**
730 * SNMP_PRIVATE_MIB:
731 * When using a private MIB, you have to create a file 'private_mib.h' that contains
732 * a 'struct mib_array_node mib_private' which contains your MIB.
733 */
734 #ifndef SNMP_PRIVATE_MIB
735 #define SNMP_PRIVATE_MIB 0
736 #endif
737
738 /**
739 * Only allow SNMP write actions that are 'safe' (e.g. disabeling netifs is not
740 * a safe action and disabled when SNMP_SAFE_REQUESTS = 1).
741 * Unsafe requests are disabled by default!
742 */
743 #ifndef SNMP_SAFE_REQUESTS
744 #define SNMP_SAFE_REQUESTS 1
745 #endif
746
747 /**
748 * The maximum length of strings used. This affects the size of
749 * MEMP_SNMP_VALUE elements.
750 */
751 #ifndef SNMP_MAX_OCTET_STRING_LEN
752 #define SNMP_MAX_OCTET_STRING_LEN 127
753 #endif
754
755 /**
756 * The maximum depth of the SNMP tree.
757 * With private MIBs enabled, this depends on your MIB!
758 * This affects the size of MEMP_SNMP_VALUE elements.
759 */
760 #ifndef SNMP_MAX_TREE_DEPTH
761 #define SNMP_MAX_TREE_DEPTH 15
762 #endif
763
764 /**
765 * The size of the MEMP_SNMP_VALUE elements, normally calculated from
766 * SNMP_MAX_OCTET_STRING_LEN and SNMP_MAX_TREE_DEPTH.
767 */
768 #ifndef SNMP_MAX_VALUE_SIZE
769 #define SNMP_MAX_VALUE_SIZE LWIP_MAX((SNMP_MAX_OCTET_STRING_LEN)+1, sizeof(s32_t)*(SNMP_MAX_TREE_DEPTH))
770 #endif
771
772 /*
773 ----------------------------------
774 ---------- IGMP options ----------
775 ----------------------------------
776 */
777 /**
778 * LWIP_IGMP==1: Turn on IGMP module.
779 */
780 #ifndef LWIP_IGMP
781 #define LWIP_IGMP 0
782 #endif
783
784 /*
785 ----------------------------------
786 ---------- DNS options -----------
787 ----------------------------------
788 */
789 /**
790 * LWIP_DNS==1: Turn on DNS module. UDP must be available for DNS
791 * transport.
792 */
793 #ifndef LWIP_DNS
794 #define LWIP_DNS 0
795 #endif
796
797 /** DNS maximum number of entries to maintain locally. */
798 #ifndef DNS_TABLE_SIZE
799 #define DNS_TABLE_SIZE 4
800 #endif
801
802 /** DNS maximum host name length supported in the name table. */
803 #ifndef DNS_MAX_NAME_LENGTH
804 #define DNS_MAX_NAME_LENGTH 256
805 #endif
806
807 /** The maximum of DNS servers */
808 #ifndef DNS_MAX_SERVERS
809 #define DNS_MAX_SERVERS 2
810 #endif
811
812 /** DNS do a name checking between the query and the response. */
813 #ifndef DNS_DOES_NAME_CHECK
814 #define DNS_DOES_NAME_CHECK 1
815 #endif
816
817 /** DNS message max. size. Default value is RFC compliant. */
818 #ifndef DNS_MSG_SIZE
819 #define DNS_MSG_SIZE 512
820 #endif
821
822 /** DNS_LOCAL_HOSTLIST: Implements a local host-to-address list. If enabled,
823 * you have to define
824 * #define DNS_LOCAL_HOSTLIST_INIT {{"host1", 0x123}, {"host2", 0x234}}
825 * (an array of structs name/address, where address is an u32_t in network
826 * byte order).
827 *
828 * Instead, you can also use an external function:
829 * #define DNS_LOOKUP_LOCAL_EXTERN(x) extern u32_t my_lookup_function(const char *name)
830 * that returns the IP address or INADDR_NONE if not found.
831 */
832 #ifndef DNS_LOCAL_HOSTLIST
833 #define DNS_LOCAL_HOSTLIST 0
834 #endif /* DNS_LOCAL_HOSTLIST */
835
836 /** If this is turned on, the local host-list can be dynamically changed
837 * at runtime. */
838 #ifndef DNS_LOCAL_HOSTLIST_IS_DYNAMIC
839 #define DNS_LOCAL_HOSTLIST_IS_DYNAMIC 0
840 #endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */
841
842 /*
843 ---------------------------------
844 ---------- UDP options ----------
845 ---------------------------------
846 */
847 /**
848 * LWIP_UDP==1: Turn on UDP.
849 */
850 #ifndef LWIP_UDP
851 #define LWIP_UDP 1
852 #endif
853
854 /**
855 * LWIP_UDPLITE==1: Turn on UDP-Lite. (Requires LWIP_UDP)
856 */
857 #ifndef LWIP_UDPLITE
858 #define LWIP_UDPLITE 0
859 #endif
860
861 /**
862 * UDP_TTL: Default Time-To-Live value.
863 */
864 #ifndef UDP_TTL
865 #define UDP_TTL (IP_DEFAULT_TTL)
866 #endif
867
868 /**
869 * LWIP_NETBUF_RECVINFO==1: append destination addr and port to every netbuf.
870 */
871 #ifndef LWIP_NETBUF_RECVINFO
872 #define LWIP_NETBUF_RECVINFO 0
873 #endif
874
875 /*
876 ---------------------------------
877 ---------- TCP options ----------
878 ---------------------------------
879 */
880 /**
881 * LWIP_TCP==1: Turn on TCP.
882 */
883 #ifndef LWIP_TCP
884 #define LWIP_TCP 1
885 #endif
886
887 /**
888 * TCP_TTL: Default Time-To-Live value.
889 */
890 #ifndef TCP_TTL
891 #define TCP_TTL (IP_DEFAULT_TTL)
892 #endif
893
894 /**
895 * TCP_WND: The size of a TCP window. This must be at least
896 * (2 * TCP_MSS) for things to work well
897 */
898 #ifndef TCP_WND
899 #define TCP_WND (4 * TCP_MSS)
900 #endif
901
902 /**
903 * TCP_MAXRTX: Maximum number of retransmissions of data segments.
904 */
905 #ifndef TCP_MAXRTX
906 #define TCP_MAXRTX 12
907 #endif
908
909 /**
910 * TCP_SYNMAXRTX: Maximum number of retransmissions of SYN segments.
911 */
912 #ifndef TCP_SYNMAXRTX
913 #define TCP_SYNMAXRTX 6
914 #endif
915
916 /**
917 * TCP_QUEUE_OOSEQ==1: TCP will queue segments that arrive out of order.
918 * Define to 0 if your device is low on memory.
919 */
920 #ifndef TCP_QUEUE_OOSEQ
921 #define TCP_QUEUE_OOSEQ (LWIP_TCP)
922 #endif
923
924 /**
925 * TCP_MSS: TCP Maximum segment size. (default is 536, a conservative default,
926 * you might want to increase this.)
927 * For the receive side, this MSS is advertised to the remote side
928 * when opening a connection. For the transmit size, this MSS sets
929 * an upper limit on the MSS advertised by the remote host.
930 */
931 #ifndef TCP_MSS
932 #define TCP_MSS 536
933 #endif
934
935 /**
936 * TCP_CALCULATE_EFF_SEND_MSS: "The maximum size of a segment that TCP really
937 * sends, the 'effective send MSS,' MUST be the smaller of the send MSS (which
938 * reflects the available reassembly buffer size at the remote host) and the
939 * largest size permitted by the IP layer" (RFC 1122)
940 * Setting this to 1 enables code that checks TCP_MSS against the MTU of the
941 * netif used for a connection and limits the MSS if it would be too big otherwise.
942 */
943 #ifndef TCP_CALCULATE_EFF_SEND_MSS
944 #define TCP_CALCULATE_EFF_SEND_MSS 1
945 #endif
946
947
948 /**
949 * TCP_SND_BUF: TCP sender buffer space (bytes).
950 */
951 #ifndef TCP_SND_BUF
952 #define TCP_SND_BUF 256
953 #endif
954
955 /**
956 * TCP_SND_QUEUELEN: TCP sender buffer space (pbufs). This must be at least
957 * as much as (2 * TCP_SND_BUF/TCP_MSS) for things to work.
958 */
959 #ifndef TCP_SND_QUEUELEN
960 #define TCP_SND_QUEUELEN ((4 * (TCP_SND_BUF) + (TCP_MSS - 1))/(TCP_MSS))
961 #endif
962
963 /**
964 * TCP_SNDLOWAT: TCP writable space (bytes). This must be less than
965 * TCP_SND_BUF. It is the amount of space which must be available in the
966 * TCP snd_buf for select to return writable (combined with TCP_SNDQUEUELOWAT).
967 */
968 #ifndef TCP_SNDLOWAT
969 #define TCP_SNDLOWAT ((TCP_SND_BUF)/2)
970 #endif
971
972 /**
973 * TCP_SNDQUEUELOWAT: TCP writable bufs (pbuf count). This must be grater
974 * than TCP_SND_QUEUELEN. If the number of pbufs queued on a pcb drops below
975 * this number, select returns writable (combined with TCP_SNDLOWAT).
976 */
977 #ifndef TCP_SNDQUEUELOWAT
978 #define TCP_SNDQUEUELOWAT ((TCP_SND_QUEUELEN)/2)
979 #endif
980
981 /**
982 * TCP_LISTEN_BACKLOG: Enable the backlog option for tcp listen pcb.
983 */
984 #ifndef TCP_LISTEN_BACKLOG
985 #define TCP_LISTEN_BACKLOG 0
986 #endif
987
988 /**
989 * The maximum allowed backlog for TCP listen netconns.
990 * This backlog is used unless another is explicitly specified.
991 * 0xff is the maximum (u8_t).
992 */
993 #ifndef TCP_DEFAULT_LISTEN_BACKLOG
994 #define TCP_DEFAULT_LISTEN_BACKLOG 0xff
995 #endif
996
997 /**
998 * TCP_OVERSIZE: The maximum number of bytes that tcp_write may
999 * allocate ahead of time in an attempt to create shorter pbuf chains
1000 * for transmission. The meaningful range is 0 to TCP_MSS. Some
1001 * suggested values are:
1002 *
1003 * 0: Disable oversized allocation. Each tcp_write() allocates a new
1004 pbuf (old behaviour).
1005 * 1: Allocate size-aligned pbufs with minimal excess. Use this if your
1006 * scatter-gather DMA requires aligned fragments.
1007 * 128: Limit the pbuf/memory overhead to 20%.
1008 * TCP_MSS: Try to create unfragmented TCP packets.
1009 * TCP_MSS/4: Try to create 4 fragments or less per TCP packet.
1010 */
1011 #ifndef TCP_OVERSIZE
1012 #define TCP_OVERSIZE TCP_MSS
1013 #endif
1014
1015 /**
1016 * LWIP_TCP_TIMESTAMPS==1: support the TCP timestamp option.
1017 */
1018 #ifndef LWIP_TCP_TIMESTAMPS
1019 #define LWIP_TCP_TIMESTAMPS 0
1020 #endif
1021
1022 /**
1023 * TCP_WND_UPDATE_THRESHOLD: difference in window to trigger an
1024 * explicit window update
1025 */
1026 #ifndef TCP_WND_UPDATE_THRESHOLD
1027 #define TCP_WND_UPDATE_THRESHOLD (TCP_WND / 4)
1028 #endif
1029
1030 /**
1031 * LWIP_EVENT_API and LWIP_CALLBACK_API: Only one of these should be set to 1.
1032 * LWIP_EVENT_API==1: The user defines lwip_tcp_event() to receive all
1033 * events (accept, sent, etc) that happen in the system.
1034 * LWIP_CALLBACK_API==1: The PCB callback function is called directly
1035 * for the event.
1036 */
1037 #ifndef LWIP_EVENT_API
1038 #define LWIP_EVENT_API 0
1039 #define LWIP_CALLBACK_API 1
1040 #else
1041 #define LWIP_EVENT_API 1
1042 #define LWIP_CALLBACK_API 0
1043 #endif
1044
1045
1046 /*
1047 ----------------------------------
1048 ---------- Pbuf options ----------
1049 ----------------------------------
1050 */
1051 /**
1052 * PBUF_LINK_HLEN: the number of bytes that should be allocated for a
1053 * link level header. The default is 14, the standard value for
1054 * Ethernet.
1055 */
1056 #ifndef PBUF_LINK_HLEN
1057 #define PBUF_LINK_HLEN (14 + ETH_PAD_SIZE)
1058 #endif
1059
1060 /**
1061 * PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. The default is
1062 * designed to accomodate single full size TCP frame in one pbuf, including
1063 * TCP_MSS, IP header, and link header.
1064 */
1065 #ifndef PBUF_POOL_BUFSIZE
1066 #define PBUF_POOL_BUFSIZE LWIP_MEM_ALIGN_SIZE(TCP_MSS+40+PBUF_LINK_HLEN)
1067 #endif
1068
1069 /*
1070 ------------------------------------------------
1071 ---------- Network Interfaces options ----------
1072 ------------------------------------------------
1073 */
1074 /**
1075 * LWIP_NETIF_HOSTNAME==1: use DHCP_OPTION_HOSTNAME with netif's hostname
1076 * field.
1077 */
1078 #ifndef LWIP_NETIF_HOSTNAME
1079 #define LWIP_NETIF_HOSTNAME 0
1080 #endif
1081
1082 /**
1083 * LWIP_NETIF_API==1: Support netif api (in netifapi.c)
1084 */
1085 #ifndef LWIP_NETIF_API
1086 #define LWIP_NETIF_API 0
1087 #endif
1088
1089 /**
1090 * LWIP_NETIF_STATUS_CALLBACK==1: Support a callback function whenever an interface
1091 * changes its up/down status (i.e., due to DHCP IP acquistion)
1092 */
1093 #ifndef LWIP_NETIF_STATUS_CALLBACK
1094 #define LWIP_NETIF_STATUS_CALLBACK 0
1095 #endif
1096
1097 /**
1098 * LWIP_NETIF_LINK_CALLBACK==1: Support a callback function from an interface
1099 * whenever the link changes (i.e., link down)
1100 */
1101 #ifndef LWIP_NETIF_LINK_CALLBACK
1102 #define LWIP_NETIF_LINK_CALLBACK 0
1103 #endif
1104
1105 /**
1106 * LWIP_NETIF_HWADDRHINT==1: Cache link-layer-address hints (e.g. table
1107 * indices) in struct netif. TCP and UDP can make use of this to prevent
1108 * scanning the ARP table for every sent packet. While this is faster for big
1109 * ARP tables or many concurrent connections, it might be counterproductive
1110 * if you have a tiny ARP table or if there never are concurrent connections.
1111 */
1112 #ifndef LWIP_NETIF_HWADDRHINT
1113 #define LWIP_NETIF_HWADDRHINT 0
1114 #endif
1115
1116 /**
1117 * LWIP_NETIF_LOOPBACK==1: Support sending packets with a destination IP
1118 * address equal to the netif IP address, looping them back up the stack.
1119 */
1120 #ifndef LWIP_NETIF_LOOPBACK
1121 #define LWIP_NETIF_LOOPBACK 0
1122 #endif
1123
1124 /**
1125 * LWIP_LOOPBACK_MAX_PBUFS: Maximum number of pbufs on queue for loopback
1126 * sending for each netif (0 = disabled)
1127 */
1128 #ifndef LWIP_LOOPBACK_MAX_PBUFS
1129 #define LWIP_LOOPBACK_MAX_PBUFS 0
1130 #endif
1131
1132 /**
1133 * LWIP_NETIF_LOOPBACK_MULTITHREADING: Indicates whether threading is enabled in
1134 * the system, as netifs must change how they behave depending on this setting
1135 * for the LWIP_NETIF_LOOPBACK option to work.
1136 * Setting this is needed to avoid reentering non-reentrant functions like
1137 * tcp_input().
1138 * LWIP_NETIF_LOOPBACK_MULTITHREADING==1: Indicates that the user is using a
1139 * multithreaded environment like tcpip.c. In this case, netif->input()
1140 * is called directly.
1141 * LWIP_NETIF_LOOPBACK_MULTITHREADING==0: Indicates a polling (or NO_SYS) setup.
1142 * The packets are put on a list and netif_poll() must be called in
1143 * the main application loop.
1144 */
1145 #ifndef LWIP_NETIF_LOOPBACK_MULTITHREADING
1146 #define LWIP_NETIF_LOOPBACK_MULTITHREADING (!NO_SYS)
1147 #endif
1148
1149 /**
1150 * LWIP_NETIF_TX_SINGLE_PBUF: if this is set to 1, lwIP tries to put all data
1151 * to be sent into one single pbuf. This is for compatibility with DMA-enabled
1152 * MACs that do not support scatter-gather.
1153 * Beware that this might involve CPU-memcpy before transmitting that would not
1154 * be needed without this flag! Use this only if you need to!
1155 *
1156 * @todo: TCP and IP-frag do not work with this, yet:
1157 */
1158 #ifndef LWIP_NETIF_TX_SINGLE_PBUF
1159 #define LWIP_NETIF_TX_SINGLE_PBUF 0
1160 #endif /* LWIP_NETIF_TX_SINGLE_PBUF */
1161
1162 /*
1163 ------------------------------------
1164 ---------- LOOPIF options ----------
1165 ------------------------------------
1166 */
1167 /**
1168 * LWIP_HAVE_LOOPIF==1: Support loop interface (127.0.0.1) and loopif.c
1169 */
1170 #ifndef LWIP_HAVE_LOOPIF
1171 #define LWIP_HAVE_LOOPIF 0
1172 #endif
1173
1174 /*
1175 ------------------------------------
1176 ---------- SLIPIF options ----------
1177 ------------------------------------
1178 */
1179 /**
1180 * LWIP_HAVE_SLIPIF==1: Support slip interface and slipif.c
1181 */
1182 #ifndef LWIP_HAVE_SLIPIF
1183 #define LWIP_HAVE_SLIPIF 0
1184 #endif
1185
1186 /*
1187 ------------------------------------
1188 ---------- Thread options ----------
1189 ------------------------------------
1190 */
1191 /**
1192 * TCPIP_THREAD_NAME: The name assigned to the main tcpip thread.
1193 */
1194 #ifndef TCPIP_THREAD_NAME
1195 #define TCPIP_THREAD_NAME "tcpip_thread"
1196 #endif
1197
1198 /**
1199 * TCPIP_THREAD_STACKSIZE: The stack size used by the main tcpip thread.
1200 * The stack size value itself is platform-dependent, but is passed to
1201 * sys_thread_new() when the thread is created.
1202 */
1203 #ifndef TCPIP_THREAD_STACKSIZE
1204 #define TCPIP_THREAD_STACKSIZE 0
1205 #endif
1206
1207 /**
1208 * TCPIP_THREAD_PRIO: The priority assigned to the main tcpip thread.
1209 * The priority value itself is platform-dependent, but is passed to
1210 * sys_thread_new() when the thread is created.
1211 */
1212 #ifndef TCPIP_THREAD_PRIO
1213 #define TCPIP_THREAD_PRIO 1
1214 #endif
1215
1216 /**
1217 * TCPIP_MBOX_SIZE: The mailbox size for the tcpip thread messages
1218 * The queue size value itself is platform-dependent, but is passed to
1219 * sys_mbox_new() when tcpip_init is called.
1220 */
1221 #ifndef TCPIP_MBOX_SIZE
1222 #define TCPIP_MBOX_SIZE 0
1223 #endif
1224
1225 /**
1226 * SLIPIF_THREAD_NAME: The name assigned to the slipif_loop thread.
1227 */
1228 #ifndef SLIPIF_THREAD_NAME
1229 #define SLIPIF_THREAD_NAME "slipif_loop"
1230 #endif
1231
1232 /**
1233 * SLIP_THREAD_STACKSIZE: The stack size used by the slipif_loop thread.
1234 * The stack size value itself is platform-dependent, but is passed to
1235 * sys_thread_new() when the thread is created.
1236 */
1237 #ifndef SLIPIF_THREAD_STACKSIZE
1238 #define SLIPIF_THREAD_STACKSIZE 0
1239 #endif
1240
1241 /**
1242 * SLIPIF_THREAD_PRIO: The priority assigned to the slipif_loop thread.
1243 * The priority value itself is platform-dependent, but is passed to
1244 * sys_thread_new() when the thread is created.
1245 */
1246 #ifndef SLIPIF_THREAD_PRIO
1247 #define SLIPIF_THREAD_PRIO 1
1248 #endif
1249
1250 /**
1251 * PPP_THREAD_NAME: The name assigned to the pppInputThread.
1252 */
1253 #ifndef PPP_THREAD_NAME
1254 #define PPP_THREAD_NAME "pppInputThread"
1255 #endif
1256
1257 /**
1258 * PPP_THREAD_STACKSIZE: The stack size used by the pppInputThread.
1259 * The stack size value itself is platform-dependent, but is passed to
1260 * sys_thread_new() when the thread is created.
1261 */
1262 #ifndef PPP_THREAD_STACKSIZE
1263 #define PPP_THREAD_STACKSIZE 0
1264 #endif
1265
1266 /**
1267 * PPP_THREAD_PRIO: The priority assigned to the pppInputThread.
1268 * The priority value itself is platform-dependent, but is passed to
1269 * sys_thread_new() when the thread is created.
1270 */
1271 #ifndef PPP_THREAD_PRIO
1272 #define PPP_THREAD_PRIO 1
1273 #endif
1274
1275 /**
1276 * DEFAULT_THREAD_NAME: The name assigned to any other lwIP thread.
1277 */
1278 #ifndef DEFAULT_THREAD_NAME
1279 #define DEFAULT_THREAD_NAME "lwIP"
1280 #endif
1281
1282 /**
1283 * DEFAULT_THREAD_STACKSIZE: The stack size used by any other lwIP thread.
1284 * The stack size value itself is platform-dependent, but is passed to
1285 * sys_thread_new() when the thread is created.
1286 */
1287 #ifndef DEFAULT_THREAD_STACKSIZE
1288 #define DEFAULT_THREAD_STACKSIZE 0
1289 #endif
1290
1291 /**
1292 * DEFAULT_THREAD_PRIO: The priority assigned to any other lwIP thread.
1293 * The priority value itself is platform-dependent, but is passed to
1294 * sys_thread_new() when the thread is created.
1295 */
1296 #ifndef DEFAULT_THREAD_PRIO
1297 #define DEFAULT_THREAD_PRIO 1
1298 #endif
1299
1300 /**
1301 * DEFAULT_RAW_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
1302 * NETCONN_RAW. The queue size value itself is platform-dependent, but is passed
1303 * to sys_mbox_new() when the recvmbox is created.
1304 */
1305 #ifndef DEFAULT_RAW_RECVMBOX_SIZE
1306 #define DEFAULT_RAW_RECVMBOX_SIZE 0
1307 #endif
1308
1309 /**
1310 * DEFAULT_UDP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
1311 * NETCONN_UDP. The queue size value itself is platform-dependent, but is passed
1312 * to sys_mbox_new() when the recvmbox is created.
1313 */
1314 #ifndef DEFAULT_UDP_RECVMBOX_SIZE
1315 #define DEFAULT_UDP_RECVMBOX_SIZE 0
1316 #endif
1317
1318 /**
1319 * DEFAULT_TCP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
1320 * NETCONN_TCP. The queue size value itself is platform-dependent, but is passed
1321 * to sys_mbox_new() when the recvmbox is created.
1322 */
1323 #ifndef DEFAULT_TCP_RECVMBOX_SIZE
1324 #define DEFAULT_TCP_RECVMBOX_SIZE 0
1325 #endif
1326
1327 /**
1328 * DEFAULT_ACCEPTMBOX_SIZE: The mailbox size for the incoming connections.
1329 * The queue size value itself is platform-dependent, but is passed to
1330 * sys_mbox_new() when the acceptmbox is created.
1331 */
1332 #ifndef DEFAULT_ACCEPTMBOX_SIZE
1333 #define DEFAULT_ACCEPTMBOX_SIZE 0
1334 #endif
1335
1336 /*
1337 ----------------------------------------------
1338 ---------- Sequential layer options ----------
1339 ----------------------------------------------
1340 */
1341 /**
1342 * LWIP_TCPIP_CORE_LOCKING: (EXPERIMENTAL!)
1343 * Don't use it if you're not an active lwIP project member
1344 */
1345 #ifndef LWIP_TCPIP_CORE_LOCKING
1346 #define LWIP_TCPIP_CORE_LOCKING 0
1347 #endif
1348
1349 /**
1350 * LWIP_TCPIP_CORE_LOCKING_INPUT: (EXPERIMENTAL!)
1351 * Don't use it if you're not an active lwIP project member
1352 */
1353 #ifndef LWIP_TCPIP_CORE_LOCKING_INPUT
1354 #define LWIP_TCPIP_CORE_LOCKING_INPUT 0
1355 #endif
1356
1357 /**
1358 * LWIP_NETCONN==1: Enable Netconn API (require to use api_lib.c)
1359 */
1360 #ifndef LWIP_NETCONN
1361 #define LWIP_NETCONN 1
1362 #endif
1363
1364 /** LWIP_TCPIP_TIMEOUT==1: Enable tcpip_timeout/tcpip_untimeout tod create
1365 * timers running in tcpip_thread from another thread.
1366 */
1367 #ifndef LWIP_TCPIP_TIMEOUT
1368 #define LWIP_TCPIP_TIMEOUT 1
1369 #endif
1370
1371 /*
1372 ------------------------------------
1373 ---------- Socket options ----------
1374 ------------------------------------
1375 */
1376 /**
1377 * LWIP_SOCKET==1: Enable Socket API (require to use sockets.c)
1378 */
1379 #ifndef LWIP_SOCKET
1380 #define LWIP_SOCKET 1
1381 #endif
1382
1383 /**
1384 * LWIP_COMPAT_SOCKETS==1: Enable BSD-style sockets functions names.
1385 * (only used if you use sockets.c)
1386 */
1387 #ifndef LWIP_COMPAT_SOCKETS
1388 #define LWIP_COMPAT_SOCKETS 1
1389 #endif
1390
1391 /**
1392 * LWIP_POSIX_SOCKETS_IO_NAMES==1: Enable POSIX-style sockets functions names.
1393 * Disable this option if you use a POSIX operating system that uses the same
1394 * names (read, write & close). (only used if you use sockets.c)
1395 */
1396 #ifndef LWIP_POSIX_SOCKETS_IO_NAMES
1397 #define LWIP_POSIX_SOCKETS_IO_NAMES 1
1398 #endif
1399
1400 /**
1401 * LWIP_TCP_KEEPALIVE==1: Enable TCP_KEEPIDLE, TCP_KEEPINTVL and TCP_KEEPCNT
1402 * options processing. Note that TCP_KEEPIDLE and TCP_KEEPINTVL have to be set
1403 * in seconds. (does not require sockets.c, and will affect tcp.c)
1404 */
1405 #ifndef LWIP_TCP_KEEPALIVE
1406 #define LWIP_TCP_KEEPALIVE 0
1407 #endif
1408
1409 /**
1410 * LWIP_SO_RCVTIMEO==1: Enable SO_RCVTIMEO processing.
1411 */
1412 #ifndef LWIP_SO_RCVTIMEO
1413 #define LWIP_SO_RCVTIMEO 0
1414 #endif
1415
1416 /**
1417 * LWIP_SO_RCVBUF==1: Enable SO_RCVBUF processing.
1418 */
1419 #ifndef LWIP_SO_RCVBUF
1420 #define LWIP_SO_RCVBUF 0
1421 #endif
1422
1423 /**
1424 * If LWIP_SO_RCVBUF is used, this is the default value for recv_bufsize.
1425 */
1426 #ifndef RECV_BUFSIZE_DEFAULT
1427 #define RECV_BUFSIZE_DEFAULT INT_MAX
1428 #endif
1429
1430 /**
1431 * SO_REUSE==1: Enable SO_REUSEADDR option.
1432 */
1433 #ifndef SO_REUSE
1434 #define SO_REUSE 0
1435 #endif
1436
1437 /**
1438 * SO_REUSE_RXTOALL==1: Pass a copy of incoming broadcast/multicast packets
1439 * to all local matches if SO_REUSEADDR is turned on.
1440 * WARNING: Adds a memcpy for every packet if passing to more than one pcb!
1441 */
1442 #ifndef SO_REUSE_RXTOALL
1443 #define SO_REUSE_RXTOALL 0
1444 #endif
1445
1446 /*
1447 ----------------------------------------
1448 ---------- Statistics options ----------
1449 ----------------------------------------
1450 */
1451 /**
1452 * LWIP_STATS==1: Enable statistics collection in lwip_stats.
1453 */
1454 #ifndef LWIP_STATS
1455 #define LWIP_STATS 1
1456 #endif
1457
1458 #if LWIP_STATS
1459
1460 /**
1461 * LWIP_STATS_DISPLAY==1: Compile in the statistics output functions.
1462 */
1463 #ifndef LWIP_STATS_DISPLAY
1464 #define LWIP_STATS_DISPLAY 0
1465 #endif
1466
1467 /**
1468 * LINK_STATS==1: Enable link stats.
1469 */
1470 #ifndef LINK_STATS
1471 #define LINK_STATS 1
1472 #endif
1473
1474 /**
1475 * ETHARP_STATS==1: Enable etharp stats.
1476 */
1477 #ifndef ETHARP_STATS
1478 #define ETHARP_STATS (LWIP_ARP)
1479 #endif
1480
1481 /**
1482 * IP_STATS==1: Enable IP stats.
1483 */
1484 #ifndef IP_STATS
1485 #define IP_STATS 1
1486 #endif
1487
1488 /**
1489 * IPFRAG_STATS==1: Enable IP fragmentation stats. Default is
1490 * on if using either frag or reass.
1491 */
1492 #ifndef IPFRAG_STATS
1493 #define IPFRAG_STATS (IP_REASSEMBLY || IP_FRAG)
1494 #endif
1495
1496 /**
1497 * ICMP_STATS==1: Enable ICMP stats.
1498 */
1499 #ifndef ICMP_STATS
1500 #define ICMP_STATS 1
1501 #endif
1502
1503 /**
1504 * IGMP_STATS==1: Enable IGMP stats.
1505 */
1506 #ifndef IGMP_STATS
1507 #define IGMP_STATS (LWIP_IGMP)
1508 #endif
1509
1510 /**
1511 * UDP_STATS==1: Enable UDP stats. Default is on if
1512 * UDP enabled, otherwise off.
1513 */
1514 #ifndef UDP_STATS
1515 #define UDP_STATS (LWIP_UDP)
1516 #endif
1517
1518 /**
1519 * TCP_STATS==1: Enable TCP stats. Default is on if TCP
1520 * enabled, otherwise off.
1521 */
1522 #ifndef TCP_STATS
1523 #define TCP_STATS (LWIP_TCP)
1524 #endif
1525
1526 /**
1527 * MEM_STATS==1: Enable mem.c stats.
1528 */
1529 #ifndef MEM_STATS
1530 #define MEM_STATS ((MEM_LIBC_MALLOC == 0) && (MEM_USE_POOLS == 0))
1531 #endif
1532
1533 /**
1534 * MEMP_STATS==1: Enable memp.c pool stats.
1535 */
1536 #ifndef MEMP_STATS
1537 #define MEMP_STATS (MEMP_MEM_MALLOC == 0)
1538 #endif
1539
1540 /**
1541 * SYS_STATS==1: Enable system stats (sem and mbox counts, etc).
1542 */
1543 #ifndef SYS_STATS
1544 #define SYS_STATS (NO_SYS == 0)
1545 #endif
1546
1547 #else
1548
1549 #define LINK_STATS 0
1550 #define IP_STATS 0
1551 #define IPFRAG_STATS 0
1552 #define ICMP_STATS 0
1553 #define IGMP_STATS 0
1554 #define UDP_STATS 0
1555 #define TCP_STATS 0
1556 #define MEM_STATS 0
1557 #define MEMP_STATS 0
1558 #define SYS_STATS 0
1559 #define LWIP_STATS_DISPLAY 0
1560
1561 #endif /* LWIP_STATS */
1562
1563 /*
1564 ---------------------------------
1565 ---------- PPP options ----------
1566 ---------------------------------
1567 */
1568 /**
1569 * PPP_SUPPORT==1: Enable PPP.
1570 */
1571 #ifndef PPP_SUPPORT
1572 #define PPP_SUPPORT 0
1573 #endif
1574
1575 /**
1576 * PPPOE_SUPPORT==1: Enable PPP Over Ethernet
1577 */
1578 #ifndef PPPOE_SUPPORT
1579 #define PPPOE_SUPPORT 0
1580 #endif
1581
1582 /**
1583 * PPPOS_SUPPORT==1: Enable PPP Over Serial
1584 */
1585 #ifndef PPPOS_SUPPORT
1586 #define PPPOS_SUPPORT PPP_SUPPORT
1587 #endif
1588
1589 #if PPP_SUPPORT
1590
1591 /**
1592 * NUM_PPP: Max PPP sessions.
1593 */
1594 #ifndef NUM_PPP
1595 #define NUM_PPP 1
1596 #endif
1597
1598 /**
1599 * PAP_SUPPORT==1: Support PAP.
1600 */
1601 #ifndef PAP_SUPPORT
1602 #define PAP_SUPPORT 0
1603 #endif
1604
1605 /**
1606 * CHAP_SUPPORT==1: Support CHAP.
1607 */
1608 #ifndef CHAP_SUPPORT
1609 #define CHAP_SUPPORT 0
1610 #endif
1611
1612 /**
1613 * MSCHAP_SUPPORT==1: Support MSCHAP. CURRENTLY NOT SUPPORTED! DO NOT SET!
1614 */
1615 #ifndef MSCHAP_SUPPORT
1616 #define MSCHAP_SUPPORT 0
1617 #endif
1618
1619 /**
1620 * CBCP_SUPPORT==1: Support CBCP. CURRENTLY NOT SUPPORTED! DO NOT SET!
1621 */
1622 #ifndef CBCP_SUPPORT
1623 #define CBCP_SUPPORT 0
1624 #endif
1625
1626 /**
1627 * CCP_SUPPORT==1: Support CCP. CURRENTLY NOT SUPPORTED! DO NOT SET!
1628 */
1629 #ifndef CCP_SUPPORT
1630 #define CCP_SUPPORT 0
1631 #endif
1632
1633 /**
1634 * VJ_SUPPORT==1: Support VJ header compression.
1635 */
1636 #ifndef VJ_SUPPORT
1637 #define VJ_SUPPORT 0
1638 #endif
1639
1640 /**
1641 * MD5_SUPPORT==1: Support MD5 (see also CHAP).
1642 */
1643 #ifndef MD5_SUPPORT
1644 #define MD5_SUPPORT 0
1645 #endif
1646
1647 /*
1648 * Timeouts
1649 */
1650 #ifndef FSM_DEFTIMEOUT
1651 #define FSM_DEFTIMEOUT 6 /* Timeout time in seconds */
1652 #endif
1653
1654 #ifndef FSM_DEFMAXTERMREQS
1655 #define FSM_DEFMAXTERMREQS 2 /* Maximum Terminate-Request transmissions */
1656 #endif
1657
1658 #ifndef FSM_DEFMAXCONFREQS
1659 #define FSM_DEFMAXCONFREQS 10 /* Maximum Configure-Request transmissions */
1660 #endif
1661
1662 #ifndef FSM_DEFMAXNAKLOOPS
1663 #define FSM_DEFMAXNAKLOOPS 5 /* Maximum number of nak loops */
1664 #endif
1665
1666 #ifndef UPAP_DEFTIMEOUT
1667 #define UPAP_DEFTIMEOUT 6 /* Timeout (seconds) for retransmitting req */
1668 #endif
1669
1670 #ifndef UPAP_DEFREQTIME
1671 #define UPAP_DEFREQTIME 30 /* Time to wait for auth-req from peer */
1672 #endif
1673
1674 #ifndef CHAP_DEFTIMEOUT
1675 #define CHAP_DEFTIMEOUT 6 /* Timeout time in seconds */
1676 #endif
1677
1678 #ifndef CHAP_DEFTRANSMITS
1679 #define CHAP_DEFTRANSMITS 10 /* max # times to send challenge */
1680 #endif
1681
1682 /* Interval in seconds between keepalive echo requests, 0 to disable. */
1683 #ifndef LCP_ECHOINTERVAL
1684 #define LCP_ECHOINTERVAL 0
1685 #endif
1686
1687 /* Number of unanswered echo requests before failure. */
1688 #ifndef LCP_MAXECHOFAILS
1689 #define LCP_MAXECHOFAILS 3
1690 #endif
1691
1692 /* Max Xmit idle time (in jiffies) before resend flag char. */
1693 #ifndef PPP_MAXIDLEFLAG
1694 #define PPP_MAXIDLEFLAG 100
1695 #endif
1696
1697 /*
1698 * Packet sizes
1699 *
1700 * Note - lcp shouldn't be allowed to negotiate stuff outside these
1701 * limits. See lcp.h in the pppd directory.
1702 * (XXX - these constants should simply be shared by lcp.c instead
1703 * of living in lcp.h)
1704 */
1705 #define PPP_MTU 1500 /* Default MTU (size of Info field) */
1706 #ifndef PPP_MAXMTU
1707 /* #define PPP_MAXMTU 65535 - (PPP_HDRLEN + PPP_FCSLEN) */
1708 #define PPP_MAXMTU 1500 /* Largest MTU we allow */
1709 #endif
1710 #define PPP_MINMTU 64
1711 #define PPP_MRU 1500 /* default MRU = max length of info field */
1712 #define PPP_MAXMRU 1500 /* Largest MRU we allow */
1713 #ifndef PPP_DEFMRU
1714 #define PPP_DEFMRU 296 /* Try for this */
1715 #endif
1716 #define PPP_MINMRU 128 /* No MRUs below this */
1717
1718 #ifndef MAXNAMELEN
1719 #define MAXNAMELEN 256 /* max length of hostname or name for auth */
1720 #endif
1721 #ifndef MAXSECRETLEN
1722 #define MAXSECRETLEN 256 /* max length of password or secret */
1723 #endif
1724
1725 #endif /* PPP_SUPPORT */
1726
1727 /*
1728 --------------------------------------
1729 ---------- Checksum options ----------
1730 --------------------------------------
1731 */
1732 /**
1733 * CHECKSUM_GEN_IP==1: Generate checksums in software for outgoing IP packets.
1734 */
1735 #ifndef CHECKSUM_GEN_IP
1736 #define CHECKSUM_GEN_IP 1
1737 #endif
1738
1739 /**
1740 * CHECKSUM_GEN_UDP==1: Generate checksums in software for outgoing UDP packets.
1741 */
1742 #ifndef CHECKSUM_GEN_UDP
1743 #define CHECKSUM_GEN_UDP 1
1744 #endif
1745
1746 /**
1747 * CHECKSUM_GEN_TCP==1: Generate checksums in software for outgoing TCP packets.
1748 */
1749 #ifndef CHECKSUM_GEN_TCP
1750 #define CHECKSUM_GEN_TCP 1
1751 #endif
1752
1753 /**
1754 * CHECKSUM_CHECK_IP==1: Check checksums in software for incoming IP packets.
1755 */
1756 #ifndef CHECKSUM_CHECK_IP
1757 #define CHECKSUM_CHECK_IP 1
1758 #endif
1759
1760 /**
1761 * CHECKSUM_CHECK_UDP==1: Check checksums in software for incoming UDP packets.
1762 */
1763 #ifndef CHECKSUM_CHECK_UDP
1764 #define CHECKSUM_CHECK_UDP 1
1765 #endif
1766
1767 /**
1768 * CHECKSUM_CHECK_TCP==1: Check checksums in software for incoming TCP packets.
1769 */
1770 #ifndef CHECKSUM_CHECK_TCP
1771 #define CHECKSUM_CHECK_TCP 1
1772 #endif
1773
1774 /**
1775 * LWIP_CHECKSUM_ON_COPY==1: Calculate checksum when copying data from
1776 * application buffers to pbufs.
1777 */
1778 #ifndef LWIP_CHECKSUM_ON_COPY
1779 #define LWIP_CHECKSUM_ON_COPY 0
1780 #endif
1781
1782 /*
1783 ---------------------------------------
1784 ---------- Debugging options ----------
1785 ---------------------------------------
1786 */
1787 /**
1788 * LWIP_DBG_MIN_LEVEL: After masking, the value of the debug is
1789 * compared against this value. If it is smaller, then debugging
1790 * messages are written.
1791 */
1792 #ifndef LWIP_DBG_MIN_LEVEL
1793 #define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_ALL
1794 #endif
1795
1796 /**
1797 * LWIP_DBG_TYPES_ON: A mask that can be used to globally enable/disable
1798 * debug messages of certain types.
1799 */
1800 #ifndef LWIP_DBG_TYPES_ON
1801 #define LWIP_DBG_TYPES_ON LWIP_DBG_ON
1802 #endif
1803
1804 /**
1805 * ETHARP_DEBUG: Enable debugging in etharp.c.
1806 */
1807 #ifndef ETHARP_DEBUG
1808 #define ETHARP_DEBUG LWIP_DBG_OFF
1809 #endif
1810
1811 /**
1812 * NETIF_DEBUG: Enable debugging in netif.c.
1813 */
1814 #ifndef NETIF_DEBUG
1815 #define NETIF_DEBUG LWIP_DBG_OFF
1816 #endif
1817
1818 /**
1819 * PBUF_DEBUG: Enable debugging in pbuf.c.
1820 */
1821 #ifndef PBUF_DEBUG
1822 #define PBUF_DEBUG LWIP_DBG_OFF
1823 #endif
1824
1825 /**
1826 * API_LIB_DEBUG: Enable debugging in api_lib.c.
1827 */
1828 #ifndef API_LIB_DEBUG
1829 #define API_LIB_DEBUG LWIP_DBG_OFF
1830 #endif
1831
1832 /**
1833 * API_MSG_DEBUG: Enable debugging in api_msg.c.
1834 */
1835 #ifndef API_MSG_DEBUG
1836 #define API_MSG_DEBUG LWIP_DBG_OFF
1837 #endif
1838
1839 /**
1840 * SOCKETS_DEBUG: Enable debugging in sockets.c.
1841 */
1842 #ifndef SOCKETS_DEBUG
1843 #define SOCKETS_DEBUG LWIP_DBG_OFF
1844 #endif
1845
1846 /**
1847 * ICMP_DEBUG: Enable debugging in icmp.c.
1848 */
1849 #ifndef ICMP_DEBUG
1850 #define ICMP_DEBUG LWIP_DBG_OFF
1851 #endif
1852
1853 /**
1854 * IGMP_DEBUG: Enable debugging in igmp.c.
1855 */
1856 #ifndef IGMP_DEBUG
1857 #define IGMP_DEBUG LWIP_DBG_OFF
1858 #endif
1859
1860 /**
1861 * INET_DEBUG: Enable debugging in inet.c.
1862 */
1863 #ifndef INET_DEBUG
1864 #define INET_DEBUG LWIP_DBG_OFF
1865 #endif
1866
1867 /**
1868 * IP_DEBUG: Enable debugging for IP.
1869 */
1870 #ifndef IP_DEBUG
1871 #define IP_DEBUG LWIP_DBG_OFF
1872 #endif
1873
1874 /**
1875 * IP_REASS_DEBUG: Enable debugging in ip_frag.c for both frag & reass.
1876 */
1877 #ifndef IP_REASS_DEBUG
1878 #define IP_REASS_DEBUG LWIP_DBG_OFF
1879 #endif
1880
1881 /**
1882 * RAW_DEBUG: Enable debugging in raw.c.
1883 */
1884 #ifndef RAW_DEBUG
1885 #define RAW_DEBUG LWIP_DBG_OFF
1886 #endif
1887
1888 /**
1889 * MEM_DEBUG: Enable debugging in mem.c.
1890 */
1891 #ifndef MEM_DEBUG
1892 #define MEM_DEBUG LWIP_DBG_OFF
1893 #endif
1894
1895 /**
1896 * MEMP_DEBUG: Enable debugging in memp.c.
1897 */
1898 #ifndef MEMP_DEBUG
1899 #define MEMP_DEBUG LWIP_DBG_OFF
1900 #endif
1901
1902 /**
1903 * SYS_DEBUG: Enable debugging in sys.c.
1904 */
1905 #ifndef SYS_DEBUG
1906 #define SYS_DEBUG LWIP_DBG_OFF
1907 #endif
1908
1909 /**
1910 * TIMERS_DEBUG: Enable debugging in timers.c.
1911 */
1912 #ifndef TIMERS_DEBUG
1913 #define TIMERS_DEBUG LWIP_DBG_OFF
1914 #endif
1915
1916 /**
1917 * TCP_DEBUG: Enable debugging for TCP.
1918 */
1919 #ifndef TCP_DEBUG
1920 #define TCP_DEBUG LWIP_DBG_OFF
1921 #endif
1922
1923 /**
1924 * TCP_INPUT_DEBUG: Enable debugging in tcp_in.c for incoming debug.
1925 */
1926 #ifndef TCP_INPUT_DEBUG
1927 #define TCP_INPUT_DEBUG LWIP_DBG_OFF
1928 #endif
1929
1930 /**
1931 * TCP_FR_DEBUG: Enable debugging in tcp_in.c for fast retransmit.
1932 */
1933 #ifndef TCP_FR_DEBUG
1934 #define TCP_FR_DEBUG LWIP_DBG_OFF
1935 #endif
1936
1937 /**
1938 * TCP_RTO_DEBUG: Enable debugging in TCP for retransmit
1939 * timeout.
1940 */
1941 #ifndef TCP_RTO_DEBUG
1942 #define TCP_RTO_DEBUG LWIP_DBG_OFF
1943 #endif
1944
1945 /**
1946 * TCP_CWND_DEBUG: Enable debugging for TCP congestion window.
1947 */
1948 #ifndef TCP_CWND_DEBUG
1949 #define TCP_CWND_DEBUG LWIP_DBG_OFF
1950 #endif
1951
1952 /**
1953 * TCP_WND_DEBUG: Enable debugging in tcp_in.c for window updating.
1954 */
1955 #ifndef TCP_WND_DEBUG
1956 #define TCP_WND_DEBUG LWIP_DBG_OFF
1957 #endif
1958
1959 /**
1960 * TCP_OUTPUT_DEBUG: Enable debugging in tcp_out.c output functions.
1961 */
1962 #ifndef TCP_OUTPUT_DEBUG
1963 #define TCP_OUTPUT_DEBUG LWIP_DBG_OFF
1964 #endif
1965
1966 /**
1967 * TCP_RST_DEBUG: Enable debugging for TCP with the RST message.
1968 */
1969 #ifndef TCP_RST_DEBUG
1970 #define TCP_RST_DEBUG LWIP_DBG_OFF
1971 #endif
1972
1973 /**
1974 * TCP_QLEN_DEBUG: Enable debugging for TCP queue lengths.
1975 */
1976 #ifndef TCP_QLEN_DEBUG
1977 #define TCP_QLEN_DEBUG LWIP_DBG_OFF
1978 #endif
1979
1980 /**
1981 * UDP_DEBUG: Enable debugging in UDP.
1982 */
1983 #ifndef UDP_DEBUG
1984 #define UDP_DEBUG LWIP_DBG_OFF
1985 #endif
1986
1987 /**
1988 * TCPIP_DEBUG: Enable debugging in tcpip.c.
1989 */
1990 #ifndef TCPIP_DEBUG
1991 #define TCPIP_DEBUG LWIP_DBG_OFF
1992 #endif
1993
1994 /**
1995 * PPP_DEBUG: Enable debugging for PPP.
1996 */
1997 #ifndef PPP_DEBUG
1998 #define PPP_DEBUG LWIP_DBG_OFF
1999 #endif
2000
2001 /**
2002 * SLIP_DEBUG: Enable debugging in slipif.c.
2003 */
2004 #ifndef SLIP_DEBUG
2005 #define SLIP_DEBUG LWIP_DBG_OFF
2006 #endif
2007
2008 /**
2009 * DHCP_DEBUG: Enable debugging in dhcp.c.
2010 */
2011 #ifndef DHCP_DEBUG
2012 #define DHCP_DEBUG LWIP_DBG_OFF
2013 #endif
2014
2015 /**
2016 * AUTOIP_DEBUG: Enable debugging in autoip.c.
2017 */
2018 #ifndef AUTOIP_DEBUG
2019 #define AUTOIP_DEBUG LWIP_DBG_OFF
2020 #endif
2021
2022 /**
2023 * SNMP_MSG_DEBUG: Enable debugging for SNMP messages.
2024 */
2025 #ifndef SNMP_MSG_DEBUG
2026 #define SNMP_MSG_DEBUG LWIP_DBG_OFF
2027 #endif
2028
2029 /**
2030 * SNMP_MIB_DEBUG: Enable debugging for SNMP MIBs.
2031 */
2032 #ifndef SNMP_MIB_DEBUG
2033 #define SNMP_MIB_DEBUG LWIP_DBG_OFF
2034 #endif
2035
2036 /**
2037 * DNS_DEBUG: Enable debugging for DNS.
2038 */
2039 #ifndef DNS_DEBUG
2040 #define DNS_DEBUG LWIP_DBG_OFF
2041 #endif
2042
2043 #endif /* __LWIP_OPT_H__ */