lwipopts.h 54 KB

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  1. /**
  2. * @file
  3. *
  4. * lwIP Options Configuration
  5. */
  6. /*
  7. * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
  8. * All rights reserved.
  9. *
  10. * Redistribution and use in source and binary forms, with or without modification,
  11. * are permitted provided that the following conditions are met:
  12. *
  13. * 1. Redistributions of source code must retain the above copyright notice,
  14. * this list of conditions and the following disclaimer.
  15. * 2. Redistributions in binary form must reproduce the above copyright notice,
  16. * this list of conditions and the following disclaimer in the documentation
  17. * and/or other materials provided with the distribution.
  18. * 3. The name of the author may not be used to endorse or promote products
  19. * derived from this software without specific prior written permission.
  20. *
  21. * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
  22. * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  23. * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
  24. * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  25. * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
  26. * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  27. * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  28. * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  29. * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
  30. * OF SUCH DAMAGE.
  31. *
  32. * This file is part of the lwIP TCP/IP stack.
  33. *
  34. * Author: Adam Dunkels <adam@sics.se>
  35. *
  36. */
  37. #ifndef __LWIPOPTS_H__
  38. #define __LWIPOPTS_H__
  39. /*
  40. -----------------------------------------------
  41. ---------- Platform specific locking ----------
  42. -----------------------------------------------
  43. */
  44. /**
  45. * SYS_LIGHTWEIGHT_PROT==1: if you want inter-task protection for certain
  46. * critical regions during buffer allocation, deallocation and memory
  47. * allocation and deallocation.
  48. */
  49. #ifndef SYS_LIGHTWEIGHT_PROT
  50. #define SYS_LIGHTWEIGHT_PROT 0
  51. #endif
  52. /**
  53. * NO_SYS==1: Provides VERY minimal functionality. Otherwise,
  54. * use lwIP facilities.
  55. */
  56. #ifndef NO_SYS
  57. #define NO_SYS 1
  58. #endif
  59. /**
  60. * NO_SYS_NO_TIMERS==1: Drop support for sys_timeout when NO_SYS==1
  61. * Mainly for compatibility to old versions.
  62. */
  63. #ifndef NO_SYS_NO_TIMERS
  64. #define NO_SYS_NO_TIMERS 0
  65. #endif
  66. /**
  67. * MEMCPY: override this if you have a faster implementation at hand than the
  68. * one included in your C library
  69. */
  70. #ifndef MEMCPY
  71. #define MEMCPY(dst,src,len) os_memcpy(dst,src,len)
  72. #endif
  73. /**
  74. * SMEMCPY: override this with care! Some compilers (e.g. gcc) can inline a
  75. * call to memcpy() if the length is known at compile time and is small.
  76. */
  77. #ifndef SMEMCPY
  78. #define SMEMCPY(dst,src,len) os_memcpy(dst,src,len)
  79. #endif
  80. /*
  81. ------------------------------------
  82. ---------- Memory options ----------
  83. ------------------------------------
  84. */
  85. /**
  86. * MEM_LIBC_MALLOC==1: Use malloc/free/realloc provided by your C-library
  87. * instead of the lwip internal allocator. Can save code size if you
  88. * already use it.
  89. */
  90. #ifndef MEM_LIBC_MALLOC
  91. #define MEM_LIBC_MALLOC 1
  92. #endif
  93. /**
  94. * MEMP_MEM_MALLOC==1: Use mem_malloc/mem_free instead of the lwip pool allocator.
  95. * Especially useful with MEM_LIBC_MALLOC but handle with care regarding execution
  96. * speed and usage from interrupts!
  97. */
  98. #ifndef MEMP_MEM_MALLOC
  99. #define MEMP_MEM_MALLOC 1
  100. #endif
  101. /**
  102. * MEM_ALIGNMENT: should be set to the alignment of the CPU
  103. * 4 byte alignment -> #define MEM_ALIGNMENT 4
  104. * 2 byte alignment -> #define MEM_ALIGNMENT 2
  105. */
  106. #ifndef MEM_ALIGNMENT
  107. #define MEM_ALIGNMENT 4
  108. #endif
  109. /**
  110. * MEM_SIZE: the size of the heap memory. If the application will send
  111. * a lot of data that needs to be copied, this should be set high.
  112. */
  113. #ifndef MEM_SIZE
  114. #define MEM_SIZE 16000
  115. #endif
  116. /**
  117. * MEMP_SEPARATE_POOLS: if defined to 1, each pool is placed in its own array.
  118. * This can be used to individually change the location of each pool.
  119. * Default is one big array for all pools
  120. */
  121. #ifndef MEMP_SEPARATE_POOLS
  122. #define MEMP_SEPARATE_POOLS 1
  123. #endif
  124. /**
  125. * MEMP_OVERFLOW_CHECK: memp overflow protection reserves a configurable
  126. * amount of bytes before and after each memp element in every pool and fills
  127. * it with a prominent default value.
  128. * MEMP_OVERFLOW_CHECK == 0 no checking
  129. * MEMP_OVERFLOW_CHECK == 1 checks each element when it is freed
  130. * MEMP_OVERFLOW_CHECK >= 2 checks each element in every pool every time
  131. * memp_malloc() or memp_free() is called (useful but slow!)
  132. */
  133. #ifndef MEMP_OVERFLOW_CHECK
  134. #define MEMP_OVERFLOW_CHECK 0
  135. #endif
  136. /**
  137. * MEMP_SANITY_CHECK==1: run a sanity check after each memp_free() to make
  138. * sure that there are no cycles in the linked lists.
  139. */
  140. #ifndef MEMP_SANITY_CHECK
  141. #define MEMP_SANITY_CHECK 1
  142. #endif
  143. /**
  144. * MEM_USE_POOLS==1: Use an alternative to malloc() by allocating from a set
  145. * of memory pools of various sizes. When mem_malloc is called, an element of
  146. * the smallest pool that can provide the length needed is returned.
  147. * To use this, MEMP_USE_CUSTOM_POOLS also has to be enabled.
  148. */
  149. #ifndef MEM_USE_POOLS
  150. #define MEM_USE_POOLS 0
  151. #endif
  152. /**
  153. * MEM_USE_POOLS_TRY_BIGGER_POOL==1: if one malloc-pool is empty, try the next
  154. * bigger pool - WARNING: THIS MIGHT WASTE MEMORY but it can make a system more
  155. * reliable. */
  156. #ifndef MEM_USE_POOLS_TRY_BIGGER_POOL
  157. #define MEM_USE_POOLS_TRY_BIGGER_POOL 0
  158. #endif
  159. /**
  160. * MEMP_USE_CUSTOM_POOLS==1: whether to include a user file lwippools.h
  161. * that defines additional pools beyond the "standard" ones required
  162. * by lwIP. If you set this to 1, you must have lwippools.h in your
  163. * inlude path somewhere.
  164. */
  165. #ifndef MEMP_USE_CUSTOM_POOLS
  166. #define MEMP_USE_CUSTOM_POOLS 0
  167. #endif
  168. /**
  169. * Set this to 1 if you want to free PBUF_RAM pbufs (or call mem_free()) from
  170. * interrupt context (or another context that doesn't allow waiting for a
  171. * semaphore).
  172. * If set to 1, mem_malloc will be protected by a semaphore and SYS_ARCH_PROTECT,
  173. * while mem_free will only use SYS_ARCH_PROTECT. mem_malloc SYS_ARCH_UNPROTECTs
  174. * with each loop so that mem_free can run.
  175. *
  176. * ATTENTION: As you can see from the above description, this leads to dis-/
  177. * enabling interrupts often, which can be slow! Also, on low memory, mem_malloc
  178. * can need longer.
  179. *
  180. * If you don't want that, at least for NO_SYS=0, you can still use the following
  181. * functions to enqueue a deallocation call which then runs in the tcpip_thread
  182. * context:
  183. * - pbuf_free_callback(p);
  184. * - mem_free_callback(m);
  185. */
  186. #ifndef LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT
  187. #define LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT 0
  188. #endif
  189. /*
  190. ------------------------------------------------
  191. ---------- Internal Memory Pool Sizes ----------
  192. ------------------------------------------------
  193. */
  194. /**
  195. * MEMP_NUM_PBUF: the number of memp struct pbufs (used for PBUF_ROM and PBUF_REF).
  196. * If the application sends a lot of data out of ROM (or other static memory),
  197. * this should be set high.
  198. */
  199. #ifndef MEMP_NUM_PBUF
  200. #define MEMP_NUM_PBUF 10
  201. #endif
  202. /**
  203. * MEMP_NUM_RAW_PCB: Number of raw connection PCBs
  204. * (requires the LWIP_RAW option)
  205. */
  206. #ifndef MEMP_NUM_RAW_PCB
  207. #define MEMP_NUM_RAW_PCB 4
  208. #endif
  209. /**
  210. * MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
  211. * per active UDP "connection".
  212. * (requires the LWIP_UDP option)
  213. */
  214. #ifndef MEMP_NUM_UDP_PCB
  215. #define MEMP_NUM_UDP_PCB 4
  216. #endif
  217. /**
  218. * MEMP_NUM_TCP_PCB: the number of simulatenously active TCP connections.
  219. * (requires the LWIP_TCP option)
  220. */
  221. #ifndef MEMP_NUM_TCP_PCB
  222. #define MEMP_NUM_TCP_PCB (*(volatile uint32*)0x600011FC)
  223. #endif
  224. /**
  225. * MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP connections.
  226. * (requires the LWIP_TCP option)
  227. */
  228. #ifndef MEMP_NUM_TCP_PCB_LISTEN
  229. #define MEMP_NUM_TCP_PCB_LISTEN 2
  230. #endif
  231. /**
  232. * MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP segments.
  233. * (requires the LWIP_TCP option)
  234. */
  235. #ifndef MEMP_NUM_TCP_SEG
  236. #define MEMP_NUM_TCP_SEG 16
  237. #endif
  238. /**
  239. * MEMP_NUM_REASSDATA: the number of simultaneously IP packets queued for
  240. * reassembly (whole packets, not fragments!)
  241. */
  242. #ifndef MEMP_NUM_REASSDATA
  243. #define MEMP_NUM_REASSDATA 0
  244. #endif
  245. /**
  246. * MEMP_NUM_FRAG_PBUF: the number of IP fragments simultaneously sent
  247. * (fragments, not whole packets!).
  248. * This is only used with IP_FRAG_USES_STATIC_BUF==0 and
  249. * LWIP_NETIF_TX_SINGLE_PBUF==0 and only has to be > 1 with DMA-enabled MACs
  250. * where the packet is not yet sent when netif->output returns.
  251. */
  252. #ifndef MEMP_NUM_FRAG_PBUF
  253. #define MEMP_NUM_FRAG_PBUF 0
  254. #endif
  255. /**
  256. * MEMP_NUM_ARP_QUEUE: the number of simulateously queued outgoing
  257. * packets (pbufs) that are waiting for an ARP request (to resolve
  258. * their destination address) to finish.
  259. * (requires the ARP_QUEUEING option)
  260. */
  261. #ifndef MEMP_NUM_ARP_QUEUE
  262. #define MEMP_NUM_ARP_QUEUE 10
  263. #endif
  264. /**
  265. * MEMP_NUM_IGMP_GROUP: The number of multicast groups whose network interfaces
  266. * can be members et the same time (one per netif - allsystems group -, plus one
  267. * per netif membership).
  268. * (requires the LWIP_IGMP option)
  269. */
  270. #ifndef MEMP_NUM_IGMP_GROUP
  271. #define MEMP_NUM_IGMP_GROUP 8
  272. #endif
  273. /**
  274. * MEMP_NUM_SYS_TIMEOUT: the number of simulateously active timeouts.
  275. * (requires NO_SYS==0)
  276. */
  277. #ifndef MEMP_NUM_SYS_TIMEOUT
  278. #define MEMP_NUM_SYS_TIMEOUT 8
  279. #endif
  280. /**
  281. * MEMP_NUM_NETBUF: the number of struct netbufs.
  282. * (only needed if you use the sequential API, like api_lib.c)
  283. */
  284. #ifndef MEMP_NUM_NETBUF
  285. #define MEMP_NUM_NETBUF 0
  286. #endif
  287. /**
  288. * MEMP_NUM_NETCONN: the number of struct netconns.
  289. * (only needed if you use the sequential API, like api_lib.c)
  290. */
  291. #ifndef MEMP_NUM_NETCONN
  292. #define MEMP_NUM_NETCONN 0
  293. #endif
  294. /**
  295. * MEMP_NUM_TCPIP_MSG_API: the number of struct tcpip_msg, which are used
  296. * for callback/timeout API communication.
  297. * (only needed if you use tcpip.c)
  298. */
  299. #ifndef MEMP_NUM_TCPIP_MSG_API
  300. #define MEMP_NUM_TCPIP_MSG_API 4
  301. #endif
  302. /**
  303. * MEMP_NUM_TCPIP_MSG_INPKT: the number of struct tcpip_msg, which are used
  304. * for incoming packets.
  305. * (only needed if you use tcpip.c)
  306. */
  307. #ifndef MEMP_NUM_TCPIP_MSG_INPKT
  308. #define MEMP_NUM_TCPIP_MSG_INPKT 4
  309. #endif
  310. /**
  311. * MEMP_NUM_SNMP_NODE: the number of leafs in the SNMP tree.
  312. */
  313. #ifndef MEMP_NUM_SNMP_NODE
  314. #define MEMP_NUM_SNMP_NODE 0
  315. #endif
  316. /**
  317. * MEMP_NUM_SNMP_ROOTNODE: the number of branches in the SNMP tree.
  318. * Every branch has one leaf (MEMP_NUM_SNMP_NODE) at least!
  319. */
  320. #ifndef MEMP_NUM_SNMP_ROOTNODE
  321. #define MEMP_NUM_SNMP_ROOTNODE 0
  322. #endif
  323. /**
  324. * MEMP_NUM_SNMP_VARBIND: the number of concurrent requests (does not have to
  325. * be changed normally) - 2 of these are used per request (1 for input,
  326. * 1 for output)
  327. */
  328. #ifndef MEMP_NUM_SNMP_VARBIND
  329. #define MEMP_NUM_SNMP_VARBIND 0
  330. #endif
  331. /**
  332. * MEMP_NUM_SNMP_VALUE: the number of OID or values concurrently used
  333. * (does not have to be changed normally) - 3 of these are used per request
  334. * (1 for the value read and 2 for OIDs - input and output)
  335. */
  336. #ifndef MEMP_NUM_SNMP_VALUE
  337. #define MEMP_NUM_SNMP_VALUE 0
  338. #endif
  339. /**
  340. * MEMP_NUM_NETDB: the number of concurrently running lwip_addrinfo() calls
  341. * (before freeing the corresponding memory using lwip_freeaddrinfo()).
  342. */
  343. #ifndef MEMP_NUM_NETDB
  344. #define MEMP_NUM_NETDB 0
  345. #endif
  346. /**
  347. * MEMP_NUM_LOCALHOSTLIST: the number of host entries in the local host list
  348. * if DNS_LOCAL_HOSTLIST_IS_DYNAMIC==1.
  349. */
  350. #ifndef MEMP_NUM_LOCALHOSTLIST
  351. #define MEMP_NUM_LOCALHOSTLIST 0
  352. #endif
  353. /**
  354. * MEMP_NUM_PPPOE_INTERFACES: the number of concurrently active PPPoE
  355. * interfaces (only used with PPPOE_SUPPORT==1)
  356. */
  357. #ifndef MEMP_NUM_PPPOE_INTERFACES
  358. #define MEMP_NUM_PPPOE_INTERFACES 0
  359. #endif
  360. /**
  361. * PBUF_POOL_SIZE: the number of buffers in the pbuf pool.
  362. */
  363. #ifndef PBUF_POOL_SIZE
  364. #define PBUF_POOL_SIZE 10
  365. #endif
  366. /*
  367. ---------------------------------
  368. ---------- ARP options ----------
  369. ---------------------------------
  370. */
  371. /**
  372. * LWIP_ARP==1: Enable ARP functionality.
  373. */
  374. #ifndef LWIP_ARP
  375. #define LWIP_ARP 1
  376. #endif
  377. /**
  378. * ARP_TABLE_SIZE: Number of active MAC-IP address pairs cached.
  379. */
  380. #ifndef ARP_TABLE_SIZE
  381. #define ARP_TABLE_SIZE 10
  382. #endif
  383. /**
  384. * ARP_QUEUEING==1: Multiple outgoing packets are queued during hardware address
  385. * resolution. By default, only the most recent packet is queued per IP address.
  386. * This is sufficient for most protocols and mainly reduces TCP connection
  387. * startup time. Set this to 1 if you know your application sends more than one
  388. * packet in a row to an IP address that is not in the ARP cache.
  389. */
  390. #ifndef ARP_QUEUEING
  391. #define ARP_QUEUEING 1
  392. #endif
  393. /**
  394. * ETHARP_TRUST_IP_MAC==1: Incoming IP packets cause the ARP table to be
  395. * updated with the source MAC and IP addresses supplied in the packet.
  396. * You may want to disable this if you do not trust LAN peers to have the
  397. * correct addresses, or as a limited approach to attempt to handle
  398. * spoofing. If disabled, lwIP will need to make a new ARP request if
  399. * the peer is not already in the ARP table, adding a little latency.
  400. * The peer *is* in the ARP table if it requested our address before.
  401. * Also notice that this slows down input processing of every IP packet!
  402. */
  403. #ifndef ETHARP_TRUST_IP_MAC
  404. #define ETHARP_TRUST_IP_MAC 1
  405. #endif
  406. /**
  407. * ETHARP_SUPPORT_VLAN==1: support receiving ethernet packets with VLAN header.
  408. * Additionally, you can define ETHARP_VLAN_CHECK to an u16_t VLAN ID to check.
  409. * If ETHARP_VLAN_CHECK is defined, only VLAN-traffic for this VLAN is accepted.
  410. * If ETHARP_VLAN_CHECK is not defined, all traffic is accepted.
  411. */
  412. #ifndef ETHARP_SUPPORT_VLAN
  413. #define ETHARP_SUPPORT_VLAN 0
  414. #endif
  415. /** LWIP_ETHERNET==1: enable ethernet support for PPPoE even though ARP
  416. * might be disabled
  417. */
  418. #ifndef LWIP_ETHERNET
  419. #define LWIP_ETHERNET (LWIP_ARP || PPPOE_SUPPORT)
  420. #endif
  421. /** ETH_PAD_SIZE: number of bytes added before the ethernet header to ensure
  422. * alignment of payload after that header. Since the header is 14 bytes long,
  423. * without this padding e.g. addresses in the IP header will not be aligned
  424. * on a 32-bit boundary, so setting this to 2 can speed up 32-bit-platforms.
  425. */
  426. #ifndef ETH_PAD_SIZE
  427. #define ETH_PAD_SIZE 0
  428. #endif
  429. /** ETHARP_SUPPORT_STATIC_ENTRIES==1: enable code to support static ARP table
  430. * entries (using etharp_add_static_entry/etharp_remove_static_entry).
  431. */
  432. #ifndef ETHARP_SUPPORT_STATIC_ENTRIES
  433. #define ETHARP_SUPPORT_STATIC_ENTRIES 0
  434. #endif
  435. /*
  436. --------------------------------
  437. ---------- IP options ----------
  438. --------------------------------
  439. */
  440. /**
  441. * IP_FORWARD==1: Enables the ability to forward IP packets across network
  442. * interfaces. If you are going to run lwIP on a device with only one network
  443. * interface, define this to 0.
  444. */
  445. #ifndef IP_FORWARD
  446. #define IP_FORWARD 0
  447. #endif
  448. /**
  449. * IP_OPTIONS_ALLOWED: Defines the behavior for IP options.
  450. * IP_OPTIONS_ALLOWED==0: All packets with IP options are dropped.
  451. * IP_OPTIONS_ALLOWED==1: IP options are allowed (but not parsed).
  452. */
  453. #ifndef IP_OPTIONS_ALLOWED
  454. #define IP_OPTIONS_ALLOWED 1
  455. #endif
  456. /**
  457. * IP_REASSEMBLY==1: Reassemble incoming fragmented IP packets. Note that
  458. * this option does not affect outgoing packet sizes, which can be controlled
  459. * via IP_FRAG.
  460. */
  461. #ifndef IP_REASSEMBLY
  462. #define IP_REASSEMBLY 0
  463. #endif
  464. /**
  465. * IP_FRAG==1: Fragment outgoing IP packets if their size exceeds MTU. Note
  466. * that this option does not affect incoming packet sizes, which can be
  467. * controlled via IP_REASSEMBLY.
  468. */
  469. #ifndef IP_FRAG
  470. #define IP_FRAG 0
  471. #endif
  472. /**
  473. * IP_REASS_MAXAGE: Maximum time (in multiples of IP_TMR_INTERVAL - so seconds, normally)
  474. * a fragmented IP packet waits for all fragments to arrive. If not all fragments arrived
  475. * in this time, the whole packet is discarded.
  476. */
  477. #ifndef IP_REASS_MAXAGE
  478. #define IP_REASS_MAXAGE 3
  479. #endif
  480. /**
  481. * IP_REASS_MAX_PBUFS: Total maximum amount of pbufs waiting to be reassembled.
  482. * Since the received pbufs are enqueued, be sure to configure
  483. * PBUF_POOL_SIZE > IP_REASS_MAX_PBUFS so that the stack is still able to receive
  484. * packets even if the maximum amount of fragments is enqueued for reassembly!
  485. */
  486. #ifndef IP_REASS_MAX_PBUFS
  487. #define IP_REASS_MAX_PBUFS 10
  488. #endif
  489. /**
  490. * IP_FRAG_USES_STATIC_BUF==1: Use a static MTU-sized buffer for IP
  491. * fragmentation. Otherwise pbufs are allocated and reference the original
  492. * packet data to be fragmented (or with LWIP_NETIF_TX_SINGLE_PBUF==1,
  493. * new PBUF_RAM pbufs are used for fragments).
  494. * ATTENTION: IP_FRAG_USES_STATIC_BUF==1 may not be used for DMA-enabled MACs!
  495. */
  496. #ifndef IP_FRAG_USES_STATIC_BUF
  497. #define IP_FRAG_USES_STATIC_BUF 1
  498. #endif
  499. /**
  500. * IP_FRAG_MAX_MTU: Assumed max MTU on any interface for IP frag buffer
  501. * (requires IP_FRAG_USES_STATIC_BUF==1)
  502. */
  503. #if IP_FRAG_USES_STATIC_BUF && !defined(IP_FRAG_MAX_MTU)
  504. #define IP_FRAG_MAX_MTU 1500
  505. #endif
  506. /**
  507. * IP_DEFAULT_TTL: Default value for Time-To-Live used by transport layers.
  508. */
  509. #ifndef IP_DEFAULT_TTL
  510. #define IP_DEFAULT_TTL 255
  511. #endif
  512. /**
  513. * IP_SOF_BROADCAST=1: Use the SOF_BROADCAST field to enable broadcast
  514. * filter per pcb on udp and raw send operations. To enable broadcast filter
  515. * on recv operations, you also have to set IP_SOF_BROADCAST_RECV=1.
  516. */
  517. #ifndef IP_SOF_BROADCAST
  518. #define IP_SOF_BROADCAST 0
  519. #endif
  520. /**
  521. * IP_SOF_BROADCAST_RECV (requires IP_SOF_BROADCAST=1) enable the broadcast
  522. * filter on recv operations.
  523. */
  524. #ifndef IP_SOF_BROADCAST_RECV
  525. #define IP_SOF_BROADCAST_RECV 0
  526. #endif
  527. /*
  528. ----------------------------------
  529. ---------- ICMP options ----------
  530. ----------------------------------
  531. */
  532. /**
  533. * LWIP_ICMP==1: Enable ICMP module inside the IP stack.
  534. * Be careful, disable that make your product non-compliant to RFC1122
  535. */
  536. #ifndef LWIP_ICMP
  537. #define LWIP_ICMP 1
  538. #endif
  539. /**
  540. * ICMP_TTL: Default value for Time-To-Live used by ICMP packets.
  541. */
  542. #ifndef ICMP_TTL
  543. #define ICMP_TTL (IP_DEFAULT_TTL)
  544. #endif
  545. /**
  546. * LWIP_BROADCAST_PING==1: respond to broadcast pings (default is unicast only)
  547. */
  548. #ifndef LWIP_BROADCAST_PING
  549. #define LWIP_BROADCAST_PING 0
  550. #endif
  551. /**
  552. * LWIP_MULTICAST_PING==1: respond to multicast pings (default is unicast only)
  553. */
  554. #ifndef LWIP_MULTICAST_PING
  555. #define LWIP_MULTICAST_PING 0
  556. #endif
  557. /*
  558. ---------------------------------
  559. ---------- RAW options ----------
  560. ---------------------------------
  561. */
  562. /**
  563. * LWIP_RAW==1: Enable application layer to hook into the IP layer itself.
  564. */
  565. #ifndef LWIP_RAW
  566. #define LWIP_RAW 1
  567. #endif
  568. /**
  569. * LWIP_RAW==1: Enable application layer to hook into the IP layer itself.
  570. */
  571. #ifndef RAW_TTL
  572. #define RAW_TTL (IP_DEFAULT_TTL)
  573. #endif
  574. /*
  575. ----------------------------------
  576. ---------- DHCP options ----------
  577. ----------------------------------
  578. */
  579. /**
  580. * LWIP_DHCP==1: Enable DHCP module.
  581. */
  582. #ifndef LWIP_DHCP
  583. #define LWIP_DHCP 1
  584. #endif
  585. /**
  586. * DHCP_DOES_ARP_CHECK==1: Do an ARP check on the offered address.
  587. */
  588. #ifndef DHCP_DOES_ARP_CHECK
  589. #define DHCP_DOES_ARP_CHECK ((LWIP_DHCP) && (LWIP_ARP))
  590. #endif
  591. /*
  592. ------------------------------------
  593. ---------- AUTOIP options ----------
  594. ------------------------------------
  595. */
  596. /**
  597. * LWIP_AUTOIP==1: Enable AUTOIP module.
  598. */
  599. #ifndef LWIP_AUTOIP
  600. #define LWIP_AUTOIP 0
  601. #endif
  602. /**
  603. * LWIP_DHCP_AUTOIP_COOP==1: Allow DHCP and AUTOIP to be both enabled on
  604. * the same interface at the same time.
  605. */
  606. #ifndef LWIP_DHCP_AUTOIP_COOP
  607. #define LWIP_DHCP_AUTOIP_COOP 0
  608. #endif
  609. /**
  610. * LWIP_DHCP_AUTOIP_COOP_TRIES: Set to the number of DHCP DISCOVER probes
  611. * that should be sent before falling back on AUTOIP. This can be set
  612. * as low as 1 to get an AutoIP address very quickly, but you should
  613. * be prepared to handle a changing IP address when DHCP overrides
  614. * AutoIP.
  615. */
  616. #ifndef LWIP_DHCP_AUTOIP_COOP_TRIES
  617. #define LWIP_DHCP_AUTOIP_COOP_TRIES 9
  618. #endif
  619. /*
  620. ----------------------------------
  621. ---------- SNMP options ----------
  622. ----------------------------------
  623. */
  624. /**
  625. * LWIP_SNMP==1: Turn on SNMP module. UDP must be available for SNMP
  626. * transport.
  627. */
  628. #ifndef LWIP_SNMP
  629. #define LWIP_SNMP 0
  630. #endif
  631. /**
  632. * SNMP_CONCURRENT_REQUESTS: Number of concurrent requests the module will
  633. * allow. At least one request buffer is required.
  634. */
  635. #ifndef SNMP_CONCURRENT_REQUESTS
  636. #define SNMP_CONCURRENT_REQUESTS 0
  637. #endif
  638. /**
  639. * SNMP_TRAP_DESTINATIONS: Number of trap destinations. At least one trap
  640. * destination is required
  641. */
  642. #ifndef SNMP_TRAP_DESTINATIONS
  643. #define SNMP_TRAP_DESTINATIONS 0
  644. #endif
  645. /**
  646. * SNMP_PRIVATE_MIB:
  647. */
  648. #ifndef SNMP_PRIVATE_MIB
  649. #define SNMP_PRIVATE_MIB 0
  650. #endif
  651. /**
  652. * Only allow SNMP write actions that are 'safe' (e.g. disabeling netifs is not
  653. * a safe action and disabled when SNMP_SAFE_REQUESTS = 1).
  654. * Unsafe requests are disabled by default!
  655. */
  656. #ifndef SNMP_SAFE_REQUESTS
  657. #define SNMP_SAFE_REQUESTS 0
  658. #endif
  659. /**
  660. * The maximum length of strings used. This affects the size of
  661. * MEMP_SNMP_VALUE elements.
  662. */
  663. #ifndef SNMP_MAX_OCTET_STRING_LEN
  664. #define SNMP_MAX_OCTET_STRING_LEN 127
  665. #endif
  666. /**
  667. * The maximum depth of the SNMP tree.
  668. * With private MIBs enabled, this depends on your MIB!
  669. * This affects the size of MEMP_SNMP_VALUE elements.
  670. */
  671. #ifndef SNMP_MAX_TREE_DEPTH
  672. #define SNMP_MAX_TREE_DEPTH 15
  673. #endif
  674. /**
  675. * The size of the MEMP_SNMP_VALUE elements, normally calculated from
  676. * SNMP_MAX_OCTET_STRING_LEN and SNMP_MAX_TREE_DEPTH.
  677. */
  678. #ifndef SNMP_MAX_VALUE_SIZE
  679. #define SNMP_MAX_VALUE_SIZE LWIP_MAX((SNMP_MAX_OCTET_STRING_LEN)+1, sizeof(s32_t)*(SNMP_MAX_TREE_DEPTH))
  680. #endif
  681. /*
  682. ----------------------------------
  683. ---------- IGMP options ----------
  684. ----------------------------------
  685. */
  686. /**
  687. * LWIP_IGMP==1: Turn on IGMP module.
  688. */
  689. #ifndef LWIP_IGMP
  690. #define LWIP_IGMP 1
  691. #endif
  692. /*
  693. ----------------------------------
  694. ---------- DNS options -----------
  695. ----------------------------------
  696. */
  697. /**
  698. * LWIP_DNS==1: Turn on DNS module. UDP must be available for DNS
  699. * transport.
  700. */
  701. #ifndef LWIP_DNS
  702. #define LWIP_DNS 1
  703. #endif
  704. /** DNS maximum number of entries to maintain locally. */
  705. #ifndef DNS_TABLE_SIZE
  706. #define DNS_TABLE_SIZE 4
  707. #endif
  708. /** DNS maximum host name length supported in the name table. */
  709. #ifndef DNS_MAX_NAME_LENGTH
  710. #define DNS_MAX_NAME_LENGTH 256
  711. #endif
  712. /** The maximum of DNS servers */
  713. #ifndef DNS_MAX_SERVERS
  714. #define DNS_MAX_SERVERS 2
  715. #endif
  716. /** DNS do a name checking between the query and the response. */
  717. #ifndef DNS_DOES_NAME_CHECK
  718. #define DNS_DOES_NAME_CHECK 1
  719. #endif
  720. /** DNS message max. size. Default value is RFC compliant. */
  721. #ifndef DNS_MSG_SIZE
  722. #define DNS_MSG_SIZE 512
  723. #endif
  724. /** DNS_LOCAL_HOSTLIST: Implements a local host-to-address list. If enabled,
  725. * you have to define
  726. * #define DNS_LOCAL_HOSTLIST_INIT {{"host1", 0x123}, {"host2", 0x234}}
  727. * (an array of structs name/address, where address is an u32_t in network
  728. * byte order).
  729. *
  730. * Instead, you can also use an external function:
  731. * #define DNS_LOOKUP_LOCAL_EXTERN(x) extern u32_t my_lookup_function(const char *name)
  732. * that returns the IP address or INADDR_NONE if not found.
  733. */
  734. #ifndef DNS_LOCAL_HOSTLIST
  735. #define DNS_LOCAL_HOSTLIST 0
  736. #endif /* DNS_LOCAL_HOSTLIST */
  737. /** If this is turned on, the local host-list can be dynamically changed
  738. * at runtime. */
  739. #ifndef DNS_LOCAL_HOSTLIST_IS_DYNAMIC
  740. #define DNS_LOCAL_HOSTLIST_IS_DYNAMIC 0
  741. #endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */
  742. /*
  743. ---------------------------------
  744. ---------- UDP options ----------
  745. ---------------------------------
  746. */
  747. /**
  748. * LWIP_UDP==1: Turn on UDP.
  749. */
  750. #ifndef LWIP_UDP
  751. #define LWIP_UDP 1
  752. #endif
  753. /**
  754. * LWIP_UDPLITE==1: Turn on UDP-Lite. (Requires LWIP_UDP)
  755. */
  756. #ifndef LWIP_UDPLITE
  757. #define LWIP_UDPLITE 0
  758. #endif
  759. /**
  760. * UDP_TTL: Default Time-To-Live value.
  761. */
  762. #ifndef UDP_TTL
  763. #define UDP_TTL (IP_DEFAULT_TTL)
  764. #endif
  765. /**
  766. * LWIP_NETBUF_RECVINFO==1: append destination addr and port to every netbuf.
  767. */
  768. #ifndef LWIP_NETBUF_RECVINFO
  769. #define LWIP_NETBUF_RECVINFO 0
  770. #endif
  771. /*
  772. ---------------------------------
  773. ---------- TCP options ----------
  774. ---------------------------------
  775. */
  776. /**
  777. * LWIP_TCP==1: Turn on TCP.
  778. */
  779. #ifndef LWIP_TCP
  780. #define LWIP_TCP 1
  781. #endif
  782. /**
  783. * TCP_TTL: Default Time-To-Live value.
  784. */
  785. #ifndef TCP_TTL
  786. #define TCP_TTL (IP_DEFAULT_TTL)
  787. #endif
  788. /**
  789. * TCP_WND: The size of a TCP window. This must be at least
  790. * (2 * TCP_MSS) for things to work well
  791. */
  792. #ifndef TCP_WND
  793. #define TCP_WND (4 * TCP_MSS)
  794. #endif
  795. /**
  796. * TCP_MAXRTX: Maximum number of retransmissions of data segments.
  797. */
  798. #ifndef TCP_MAXRTX
  799. #define TCP_MAXRTX 3
  800. #endif
  801. /**
  802. * TCP_SYNMAXRTX: Maximum number of retransmissions of SYN segments.
  803. */
  804. #ifndef TCP_SYNMAXRTX
  805. #define TCP_SYNMAXRTX 3
  806. #endif
  807. /**
  808. * TCP_MAXRTO: Maximum retransmission timeout of data segments.
  809. */
  810. #ifndef TCP_MAXRTO
  811. #define TCP_MAXRTO 10
  812. #endif
  813. /**
  814. * TCP_MINRTO: Minimum retransmission timeout of data segments.
  815. */
  816. #ifndef TCP_MINRTO
  817. #define TCP_MINRTO 2
  818. #endif
  819. /**
  820. * TCP_QUEUE_OOSEQ==1: TCP will queue segments that arrive out of order.
  821. * Define to 0 if your device is low on memory.
  822. */
  823. #ifndef TCP_QUEUE_OOSEQ
  824. #define TCP_QUEUE_OOSEQ 0
  825. #endif
  826. /**
  827. * TCP_MSS: TCP Maximum segment size. (default is 536, a conservative default,
  828. * you might want to increase this.)
  829. * For the receive side, this MSS is advertised to the remote side
  830. * when opening a connection. For the transmit size, this MSS sets
  831. * an upper limit on the MSS advertised by the remote host.
  832. */
  833. #ifndef TCP_MSS
  834. #define TCP_MSS 1460
  835. #endif
  836. /**
  837. * TCP_CALCULATE_EFF_SEND_MSS: "The maximum size of a segment that TCP really
  838. * sends, the 'effective send MSS,' MUST be the smaller of the send MSS (which
  839. * reflects the available reassembly buffer size at the remote host) and the
  840. * largest size permitted by the IP layer" (RFC 1122)
  841. * Setting this to 1 enables code that checks TCP_MSS against the MTU of the
  842. * netif used for a connection and limits the MSS if it would be too big otherwise.
  843. */
  844. #ifndef TCP_CALCULATE_EFF_SEND_MSS
  845. #define TCP_CALCULATE_EFF_SEND_MSS 1
  846. #endif
  847. /**
  848. * TCP_SND_BUF: TCP sender buffer space (bytes).
  849. */
  850. #ifndef TCP_SND_BUF
  851. #define TCP_SND_BUF 2 * TCP_MSS
  852. #endif
  853. /**
  854. * TCP_SND_QUEUELEN: TCP sender buffer space (pbufs). This must be at least
  855. * as much as (2 * TCP_SND_BUF/TCP_MSS) for things to work.
  856. */
  857. #ifndef TCP_SND_QUEUELEN
  858. #define TCP_SND_QUEUELEN ((4 * (TCP_SND_BUF) + (TCP_MSS - 1))/(TCP_MSS))
  859. #endif
  860. /**
  861. * TCP_SNDLOWAT: TCP writable space (bytes). This must be less than
  862. * TCP_SND_BUF. It is the amount of space which must be available in the
  863. * TCP snd_buf for select to return writable (combined with TCP_SNDQUEUELOWAT).
  864. */
  865. #ifndef TCP_SNDLOWAT
  866. #define TCP_SNDLOWAT ((TCP_SND_BUF)/2)
  867. #endif
  868. /**
  869. * TCP_SNDQUEUELOWAT: TCP writable bufs (pbuf count). This must be grater
  870. * than TCP_SND_QUEUELEN. If the number of pbufs queued on a pcb drops below
  871. * this number, select returns writable (combined with TCP_SNDLOWAT).
  872. */
  873. #ifndef TCP_SNDQUEUELOWAT
  874. #define TCP_SNDQUEUELOWAT LWIP_MAX(((TCP_SND_QUEUELEN)/2), 5)
  875. #endif
  876. /**
  877. * TCP_LISTEN_BACKLOG: Enable the backlog option for tcp listen pcb.
  878. */
  879. #ifndef TCP_LISTEN_BACKLOG
  880. #define TCP_LISTEN_BACKLOG 0
  881. #endif
  882. /**
  883. * The maximum allowed backlog for TCP listen netconns.
  884. * This backlog is used unless another is explicitly specified.
  885. * 0xff is the maximum (u8_t).
  886. */
  887. #ifndef TCP_DEFAULT_LISTEN_BACKLOG
  888. #define TCP_DEFAULT_LISTEN_BACKLOG 0xff
  889. #endif
  890. /**
  891. * TCP_OVERSIZE: The maximum number of bytes that tcp_write may
  892. * allocate ahead of time in an attempt to create shorter pbuf chains
  893. * for transmission. The meaningful range is 0 to TCP_MSS. Some
  894. * suggested values are:
  895. *
  896. * 0: Disable oversized allocation. Each tcp_write() allocates a new
  897. pbuf (old behaviour).
  898. * 1: Allocate size-aligned pbufs with minimal excess. Use this if your
  899. * scatter-gather DMA requires aligned fragments.
  900. * 128: Limit the pbuf/memory overhead to 20%.
  901. * TCP_MSS: Try to create unfragmented TCP packets.
  902. * TCP_MSS/4: Try to create 4 fragments or less per TCP packet.
  903. */
  904. #ifndef TCP_OVERSIZE
  905. #define TCP_OVERSIZE TCP_MSS
  906. #endif
  907. /**
  908. * LWIP_TCP_TIMESTAMPS==1: support the TCP timestamp option.
  909. */
  910. #ifndef LWIP_TCP_TIMESTAMPS
  911. #define LWIP_TCP_TIMESTAMPS 0
  912. #endif
  913. /**
  914. * TCP_WND_UPDATE_THRESHOLD: difference in window to trigger an
  915. * explicit window update
  916. */
  917. #ifndef TCP_WND_UPDATE_THRESHOLD
  918. #define TCP_WND_UPDATE_THRESHOLD (TCP_WND / 4)
  919. #endif
  920. /**
  921. * LWIP_EVENT_API and LWIP_CALLBACK_API: Only one of these should be set to 1.
  922. * LWIP_EVENT_API==1: The user defines lwip_tcp_event() to receive all
  923. * events (accept, sent, etc) that happen in the system.
  924. * LWIP_CALLBACK_API==1: The PCB callback function is called directly
  925. * for the event.
  926. */
  927. #ifndef LWIP_EVENT_API
  928. #define LWIP_EVENT_API 0
  929. #define LWIP_CALLBACK_API 1
  930. #else
  931. #define LWIP_EVENT_API 1
  932. #define LWIP_CALLBACK_API 0
  933. #endif
  934. /*
  935. ----------------------------------
  936. ---------- Pbuf options ----------
  937. ----------------------------------
  938. */
  939. /**
  940. * PBUF_LINK_HLEN: the number of bytes that should be allocated for a
  941. * link level header. The default is 14, the standard value for
  942. * Ethernet.
  943. */
  944. #ifndef PBUF_LINK_HLEN
  945. #define PBUF_LINK_HLEN (14 + ETH_PAD_SIZE)
  946. #endif
  947. /**
  948. * PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. The default is
  949. * designed to accomodate single full size TCP frame in one pbuf, including
  950. * TCP_MSS, IP header, and link header.
  951. */
  952. #ifndef PBUF_POOL_BUFSIZE
  953. #define PBUF_POOL_BUFSIZE LWIP_MEM_ALIGN_SIZE(TCP_MSS+40+PBUF_LINK_HLEN)
  954. #endif
  955. /*
  956. ------------------------------------------------
  957. ---------- Network Interfaces options ----------
  958. ------------------------------------------------
  959. */
  960. /**
  961. * LWIP_NETIF_HOSTNAME==1: use DHCP_OPTION_HOSTNAME with netif's hostname
  962. * field.
  963. */
  964. #ifndef LWIP_NETIF_HOSTNAME
  965. #define LWIP_NETIF_HOSTNAME 0
  966. #endif
  967. /**
  968. * LWIP_NETIF_API==1: Support netif api (in netifapi.c)
  969. */
  970. #ifndef LWIP_NETIF_API
  971. #define LWIP_NETIF_API 0
  972. #endif
  973. /**
  974. * LWIP_NETIF_STATUS_CALLBACK==1: Support a callback function whenever an interface
  975. * changes its up/down status (i.e., due to DHCP IP acquistion)
  976. */
  977. #ifndef LWIP_NETIF_STATUS_CALLBACK
  978. #define LWIP_NETIF_STATUS_CALLBACK 0
  979. #endif
  980. /**
  981. * LWIP_NETIF_LINK_CALLBACK==1: Support a callback function from an interface
  982. * whenever the link changes (i.e., link down)
  983. */
  984. #ifndef LWIP_NETIF_LINK_CALLBACK
  985. #define LWIP_NETIF_LINK_CALLBACK 0
  986. #endif
  987. /**
  988. * LWIP_NETIF_HWADDRHINT==1: Cache link-layer-address hints (e.g. table
  989. * indices) in struct netif. TCP and UDP can make use of this to prevent
  990. * scanning the ARP table for every sent packet. While this is faster for big
  991. * ARP tables or many concurrent connections, it might be counterproductive
  992. * if you have a tiny ARP table or if there never are concurrent connections.
  993. */
  994. #ifndef LWIP_NETIF_HWADDRHINT
  995. #define LWIP_NETIF_HWADDRHINT 0
  996. #endif
  997. /**
  998. * LWIP_NETIF_LOOPBACK==1: Support sending packets with a destination IP
  999. * address equal to the netif IP address, looping them back up the stack.
  1000. */
  1001. #ifndef LWIP_NETIF_LOOPBACK
  1002. #define LWIP_NETIF_LOOPBACK 0
  1003. #endif
  1004. /**
  1005. * LWIP_LOOPBACK_MAX_PBUFS: Maximum number of pbufs on queue for loopback
  1006. * sending for each netif (0 = disabled)
  1007. */
  1008. #ifndef LWIP_LOOPBACK_MAX_PBUFS
  1009. #define LWIP_LOOPBACK_MAX_PBUFS 0
  1010. #endif
  1011. /**
  1012. * LWIP_NETIF_LOOPBACK_MULTITHREADING: Indicates whether threading is enabled in
  1013. * the system, as netifs must change how they behave depending on this setting
  1014. * for the LWIP_NETIF_LOOPBACK option to work.
  1015. * Setting this is needed to avoid reentering non-reentrant functions like
  1016. * tcp_input().
  1017. * LWIP_NETIF_LOOPBACK_MULTITHREADING==1: Indicates that the user is using a
  1018. * multithreaded environment like tcpip.c. In this case, netif->input()
  1019. * is called directly.
  1020. * LWIP_NETIF_LOOPBACK_MULTITHREADING==0: Indicates a polling (or NO_SYS) setup.
  1021. * The packets are put on a list and netif_poll() must be called in
  1022. * the main application loop.
  1023. */
  1024. #ifndef LWIP_NETIF_LOOPBACK_MULTITHREADING
  1025. #define LWIP_NETIF_LOOPBACK_MULTITHREADING (!NO_SYS)
  1026. #endif
  1027. /**
  1028. * LWIP_NETIF_TX_SINGLE_PBUF: if this is set to 1, lwIP tries to put all data
  1029. * to be sent into one single pbuf. This is for compatibility with DMA-enabled
  1030. * MACs that do not support scatter-gather.
  1031. * Beware that this might involve CPU-memcpy before transmitting that would not
  1032. * be needed without this flag! Use this only if you need to!
  1033. *
  1034. * @todo: TCP and IP-frag do not work with this, yet:
  1035. */
  1036. #ifndef LWIP_NETIF_TX_SINGLE_PBUF
  1037. #define LWIP_NETIF_TX_SINGLE_PBUF 1
  1038. #endif /* LWIP_NETIF_TX_SINGLE_PBUF */
  1039. /*
  1040. ------------------------------------
  1041. ---------- LOOPIF options ----------
  1042. ------------------------------------
  1043. */
  1044. /**
  1045. * LWIP_HAVE_LOOPIF==1: Support loop interface (127.0.0.1) and loopif.c
  1046. */
  1047. #ifndef LWIP_HAVE_LOOPIF
  1048. #define LWIP_HAVE_LOOPIF 0
  1049. #endif
  1050. /*
  1051. ------------------------------------
  1052. ---------- SLIPIF options ----------
  1053. ------------------------------------
  1054. */
  1055. /**
  1056. * LWIP_HAVE_SLIPIF==1: Support slip interface and slipif.c
  1057. */
  1058. #ifndef LWIP_HAVE_SLIPIF
  1059. #define LWIP_HAVE_SLIPIF 0
  1060. #endif
  1061. /*
  1062. ------------------------------------
  1063. ---------- Thread options ----------
  1064. ------------------------------------
  1065. */
  1066. /**
  1067. * TCPIP_THREAD_NAME: The name assigned to the main tcpip thread.
  1068. */
  1069. #ifndef TCPIP_THREAD_NAME
  1070. #define TCPIP_THREAD_NAME "tcpip_thread"
  1071. #endif
  1072. /**
  1073. * TCPIP_THREAD_STACKSIZE: The stack size used by the main tcpip thread.
  1074. * The stack size value itself is platform-dependent, but is passed to
  1075. * sys_thread_new() when the thread is created.
  1076. */
  1077. #ifndef TCPIP_THREAD_STACKSIZE
  1078. #define TCPIP_THREAD_STACKSIZE 0
  1079. #endif
  1080. /**
  1081. * TCPIP_THREAD_PRIO: The priority assigned to the main tcpip thread.
  1082. * The priority value itself is platform-dependent, but is passed to
  1083. * sys_thread_new() when the thread is created.
  1084. */
  1085. #ifndef TCPIP_THREAD_PRIO
  1086. #define TCPIP_THREAD_PRIO 1
  1087. #endif
  1088. /**
  1089. * TCPIP_MBOX_SIZE: The mailbox size for the tcpip thread messages
  1090. * The queue size value itself is platform-dependent, but is passed to
  1091. * sys_mbox_new() when tcpip_init is called.
  1092. */
  1093. #ifndef TCPIP_MBOX_SIZE
  1094. #define TCPIP_MBOX_SIZE 0
  1095. #endif
  1096. /**
  1097. * SLIPIF_THREAD_NAME: The name assigned to the slipif_loop thread.
  1098. */
  1099. #ifndef SLIPIF_THREAD_NAME
  1100. #define SLIPIF_THREAD_NAME "slipif_loop"
  1101. #endif
  1102. /**
  1103. * SLIP_THREAD_STACKSIZE: The stack size used by the slipif_loop thread.
  1104. * The stack size value itself is platform-dependent, but is passed to
  1105. * sys_thread_new() when the thread is created.
  1106. */
  1107. #ifndef SLIPIF_THREAD_STACKSIZE
  1108. #define SLIPIF_THREAD_STACKSIZE 0
  1109. #endif
  1110. /**
  1111. * SLIPIF_THREAD_PRIO: The priority assigned to the slipif_loop thread.
  1112. * The priority value itself is platform-dependent, but is passed to
  1113. * sys_thread_new() when the thread is created.
  1114. */
  1115. #ifndef SLIPIF_THREAD_PRIO
  1116. #define SLIPIF_THREAD_PRIO 1
  1117. #endif
  1118. /**
  1119. * PPP_THREAD_NAME: The name assigned to the pppInputThread.
  1120. */
  1121. #ifndef PPP_THREAD_NAME
  1122. #define PPP_THREAD_NAME "pppInputThread"
  1123. #endif
  1124. /**
  1125. * PPP_THREAD_STACKSIZE: The stack size used by the pppInputThread.
  1126. * The stack size value itself is platform-dependent, but is passed to
  1127. * sys_thread_new() when the thread is created.
  1128. */
  1129. #ifndef PPP_THREAD_STACKSIZE
  1130. #define PPP_THREAD_STACKSIZE 0
  1131. #endif
  1132. /**
  1133. * PPP_THREAD_PRIO: The priority assigned to the pppInputThread.
  1134. * The priority value itself is platform-dependent, but is passed to
  1135. * sys_thread_new() when the thread is created.
  1136. */
  1137. #ifndef PPP_THREAD_PRIO
  1138. #define PPP_THREAD_PRIO 1
  1139. #endif
  1140. /**
  1141. * DEFAULT_THREAD_NAME: The name assigned to any other lwIP thread.
  1142. */
  1143. #ifndef DEFAULT_THREAD_NAME
  1144. #define DEFAULT_THREAD_NAME "lwIP"
  1145. #endif
  1146. /**
  1147. * DEFAULT_THREAD_STACKSIZE: The stack size used by any other lwIP thread.
  1148. * The stack size value itself is platform-dependent, but is passed to
  1149. * sys_thread_new() when the thread is created.
  1150. */
  1151. #ifndef DEFAULT_THREAD_STACKSIZE
  1152. #define DEFAULT_THREAD_STACKSIZE 0
  1153. #endif
  1154. /**
  1155. * DEFAULT_THREAD_PRIO: The priority assigned to any other lwIP thread.
  1156. * The priority value itself is platform-dependent, but is passed to
  1157. * sys_thread_new() when the thread is created.
  1158. */
  1159. #ifndef DEFAULT_THREAD_PRIO
  1160. #define DEFAULT_THREAD_PRIO 1
  1161. #endif
  1162. /**
  1163. * DEFAULT_RAW_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
  1164. * NETCONN_RAW. The queue size value itself is platform-dependent, but is passed
  1165. * to sys_mbox_new() when the recvmbox is created.
  1166. */
  1167. #ifndef DEFAULT_RAW_RECVMBOX_SIZE
  1168. #define DEFAULT_RAW_RECVMBOX_SIZE 0
  1169. #endif
  1170. /**
  1171. * DEFAULT_UDP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
  1172. * NETCONN_UDP. The queue size value itself is platform-dependent, but is passed
  1173. * to sys_mbox_new() when the recvmbox is created.
  1174. */
  1175. #ifndef DEFAULT_UDP_RECVMBOX_SIZE
  1176. #define DEFAULT_UDP_RECVMBOX_SIZE 0
  1177. #endif
  1178. /**
  1179. * DEFAULT_TCP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
  1180. * NETCONN_TCP. The queue size value itself is platform-dependent, but is passed
  1181. * to sys_mbox_new() when the recvmbox is created.
  1182. */
  1183. #ifndef DEFAULT_TCP_RECVMBOX_SIZE
  1184. #define DEFAULT_TCP_RECVMBOX_SIZE 0
  1185. #endif
  1186. /**
  1187. * DEFAULT_ACCEPTMBOX_SIZE: The mailbox size for the incoming connections.
  1188. * The queue size value itself is platform-dependent, but is passed to
  1189. * sys_mbox_new() when the acceptmbox is created.
  1190. */
  1191. #ifndef DEFAULT_ACCEPTMBOX_SIZE
  1192. #define DEFAULT_ACCEPTMBOX_SIZE 0
  1193. #endif
  1194. /*
  1195. ----------------------------------------------
  1196. ---------- Sequential layer options ----------
  1197. ----------------------------------------------
  1198. */
  1199. /**
  1200. * LWIP_TCPIP_CORE_LOCKING: (EXPERIMENTAL!)
  1201. * Don't use it if you're not an active lwIP project member
  1202. */
  1203. #ifndef LWIP_TCPIP_CORE_LOCKING
  1204. #define LWIP_TCPIP_CORE_LOCKING 0
  1205. #endif
  1206. /**
  1207. * LWIP_TCPIP_CORE_LOCKING_INPUT: (EXPERIMENTAL!)
  1208. * Don't use it if you're not an active lwIP project member
  1209. */
  1210. #ifndef LWIP_TCPIP_CORE_LOCKING_INPUT
  1211. #define LWIP_TCPIP_CORE_LOCKING_INPUT 0
  1212. #endif
  1213. /**
  1214. * LWIP_NETCONN==1: Enable Netconn API (require to use api_lib.c)
  1215. */
  1216. #ifndef LWIP_NETCONN
  1217. #define LWIP_NETCONN 0
  1218. #endif
  1219. /** LWIP_TCPIP_TIMEOUT==1: Enable tcpip_timeout/tcpip_untimeout tod create
  1220. * timers running in tcpip_thread from another thread.
  1221. */
  1222. #ifndef LWIP_TCPIP_TIMEOUT
  1223. #define LWIP_TCPIP_TIMEOUT 1
  1224. #endif
  1225. /*
  1226. ------------------------------------
  1227. ---------- Socket options ----------
  1228. ------------------------------------
  1229. */
  1230. /**
  1231. * LWIP_SOCKET==1: Enable Socket API (require to use sockets.c)
  1232. */
  1233. #ifndef LWIP_SOCKET
  1234. #define LWIP_SOCKET 0
  1235. #endif
  1236. /**
  1237. * LWIP_COMPAT_SOCKETS==1: Enable BSD-style sockets functions names.
  1238. * (only used if you use sockets.c)
  1239. */
  1240. #ifndef LWIP_COMPAT_SOCKETS
  1241. #define LWIP_COMPAT_SOCKETS 0
  1242. #endif
  1243. /**
  1244. * LWIP_POSIX_SOCKETS_IO_NAMES==1: Enable POSIX-style sockets functions names.
  1245. * Disable this option if you use a POSIX operating system that uses the same
  1246. * names (read, write & close). (only used if you use sockets.c)
  1247. */
  1248. #ifndef LWIP_POSIX_SOCKETS_IO_NAMES
  1249. #define LWIP_POSIX_SOCKETS_IO_NAMES 0
  1250. #endif
  1251. /**
  1252. * LWIP_TCP_KEEPALIVE==1: Enable TCP_KEEPIDLE, TCP_KEEPINTVL and TCP_KEEPCNT
  1253. * options processing. Note that TCP_KEEPIDLE and TCP_KEEPINTVL have to be set
  1254. * in seconds. (does not require sockets.c, and will affect tcp.c)
  1255. */
  1256. #ifndef LWIP_TCP_KEEPALIVE
  1257. #define LWIP_TCP_KEEPALIVE 1
  1258. #endif
  1259. /**
  1260. * LWIP_SO_RCVTIMEO==1: Enable SO_RCVTIMEO processing.
  1261. */
  1262. #ifndef LWIP_SO_RCVTIMEO
  1263. #define LWIP_SO_RCVTIMEO 0
  1264. #endif
  1265. /**
  1266. * LWIP_SO_RCVBUF==1: Enable SO_RCVBUF processing.
  1267. */
  1268. #ifndef LWIP_SO_RCVBUF
  1269. #define LWIP_SO_RCVBUF 0
  1270. #endif
  1271. /**
  1272. * If LWIP_SO_RCVBUF is used, this is the default value for recv_bufsize.
  1273. */
  1274. #ifndef RECV_BUFSIZE_DEFAULT
  1275. #define RECV_BUFSIZE_DEFAULT INT_MAX
  1276. #endif
  1277. /**
  1278. * SO_REUSE==1: Enable SO_REUSEADDR option.
  1279. */
  1280. #ifndef SO_REUSE
  1281. #define SO_REUSE 0
  1282. #endif
  1283. /**
  1284. * SO_REUSE_RXTOALL==1: Pass a copy of incoming broadcast/multicast packets
  1285. * to all local matches if SO_REUSEADDR is turned on.
  1286. * WARNING: Adds a memcpy for every packet if passing to more than one pcb!
  1287. */
  1288. #ifndef SO_REUSE_RXTOALL
  1289. #define SO_REUSE_RXTOALL 0
  1290. #endif
  1291. /*
  1292. ----------------------------------------
  1293. ---------- Statistics options ----------
  1294. ----------------------------------------
  1295. */
  1296. /**
  1297. * LWIP_STATS==1: Enable statistics collection in lwip_stats.
  1298. */
  1299. #ifndef LWIP_STATS
  1300. #define LWIP_STATS 0
  1301. #endif
  1302. #if LWIP_STATS
  1303. /**
  1304. * LWIP_STATS_DISPLAY==1: Compile in the statistics output functions.
  1305. */
  1306. #ifndef LWIP_STATS_DISPLAY
  1307. #define LWIP_STATS_DISPLAY 0
  1308. #endif
  1309. /**
  1310. * LINK_STATS==1: Enable link stats.
  1311. */
  1312. #ifndef LINK_STATS
  1313. #define LINK_STATS 1
  1314. #endif
  1315. /**
  1316. * ETHARP_STATS==1: Enable etharp stats.
  1317. */
  1318. #ifndef ETHARP_STATS
  1319. #define ETHARP_STATS (LWIP_ARP)
  1320. #endif
  1321. /**
  1322. * IP_STATS==1: Enable IP stats.
  1323. */
  1324. #ifndef IP_STATS
  1325. #define IP_STATS 1
  1326. #endif
  1327. /**
  1328. * IPFRAG_STATS==1: Enable IP fragmentation stats. Default is
  1329. * on if using either frag or reass.
  1330. */
  1331. #ifndef IPFRAG_STATS
  1332. #define IPFRAG_STATS (IP_REASSEMBLY || IP_FRAG)
  1333. #endif
  1334. /**
  1335. * ICMP_STATS==1: Enable ICMP stats.
  1336. */
  1337. #ifndef ICMP_STATS
  1338. #define ICMP_STATS 1
  1339. #endif
  1340. /**
  1341. * IGMP_STATS==1: Enable IGMP stats.
  1342. */
  1343. #ifndef IGMP_STATS
  1344. #define IGMP_STATS (LWIP_IGMP)
  1345. #endif
  1346. /**
  1347. * UDP_STATS==1: Enable UDP stats. Default is on if
  1348. * UDP enabled, otherwise off.
  1349. */
  1350. #ifndef UDP_STATS
  1351. #define UDP_STATS (LWIP_UDP)
  1352. #endif
  1353. /**
  1354. * TCP_STATS==1: Enable TCP stats. Default is on if TCP
  1355. * enabled, otherwise off.
  1356. */
  1357. #ifndef TCP_STATS
  1358. #define TCP_STATS (LWIP_TCP)
  1359. #endif
  1360. /**
  1361. * MEM_STATS==1: Enable mem.c stats.
  1362. */
  1363. #ifndef MEM_STATS
  1364. #define MEM_STATS ((MEM_LIBC_MALLOC == 0) && (MEM_USE_POOLS == 0))
  1365. #endif
  1366. /**
  1367. * MEMP_STATS==1: Enable memp.c pool stats.
  1368. */
  1369. #ifndef MEMP_STATS
  1370. #define MEMP_STATS (MEMP_MEM_MALLOC == 0)
  1371. #endif
  1372. /**
  1373. * SYS_STATS==1: Enable system stats (sem and mbox counts, etc).
  1374. */
  1375. #ifndef SYS_STATS
  1376. #define SYS_STATS (NO_SYS == 0)
  1377. #endif
  1378. #else
  1379. #define ETHARP_STATS 0
  1380. #define LINK_STATS 0
  1381. #define IP_STATS 0
  1382. #define IPFRAG_STATS 0
  1383. #define ICMP_STATS 0
  1384. #define IGMP_STATS 0
  1385. #define UDP_STATS 0
  1386. #define TCP_STATS 0
  1387. #define MEM_STATS 0
  1388. #define MEMP_STATS 0
  1389. #define SYS_STATS 0
  1390. #define LWIP_STATS_DISPLAY 0
  1391. #endif /* LWIP_STATS */
  1392. /*
  1393. ---------------------------------
  1394. ---------- PPP options ----------
  1395. ---------------------------------
  1396. */
  1397. /**
  1398. * PPP_SUPPORT==1: Enable PPP.
  1399. */
  1400. #ifndef PPP_SUPPORT
  1401. #define PPP_SUPPORT 0
  1402. #endif
  1403. /**
  1404. * PPPOE_SUPPORT==1: Enable PPP Over Ethernet
  1405. */
  1406. #ifndef PPPOE_SUPPORT
  1407. #define PPPOE_SUPPORT 0
  1408. #endif
  1409. /**
  1410. * PPPOS_SUPPORT==1: Enable PPP Over Serial
  1411. */
  1412. #ifndef PPPOS_SUPPORT
  1413. #define PPPOS_SUPPORT PPP_SUPPORT
  1414. #endif
  1415. #if PPP_SUPPORT
  1416. /**
  1417. * NUM_PPP: Max PPP sessions.
  1418. */
  1419. #ifndef NUM_PPP
  1420. #define NUM_PPP 1
  1421. #endif
  1422. /**
  1423. * PAP_SUPPORT==1: Support PAP.
  1424. */
  1425. #ifndef PAP_SUPPORT
  1426. #define PAP_SUPPORT 0
  1427. #endif
  1428. /**
  1429. * CHAP_SUPPORT==1: Support CHAP.
  1430. */
  1431. #ifndef CHAP_SUPPORT
  1432. #define CHAP_SUPPORT 0
  1433. #endif
  1434. /**
  1435. * MSCHAP_SUPPORT==1: Support MSCHAP. CURRENTLY NOT SUPPORTED! DO NOT SET!
  1436. */
  1437. #ifndef MSCHAP_SUPPORT
  1438. #define MSCHAP_SUPPORT 0
  1439. #endif
  1440. /**
  1441. * CBCP_SUPPORT==1: Support CBCP. CURRENTLY NOT SUPPORTED! DO NOT SET!
  1442. */
  1443. #ifndef CBCP_SUPPORT
  1444. #define CBCP_SUPPORT 0
  1445. #endif
  1446. /**
  1447. * CCP_SUPPORT==1: Support CCP. CURRENTLY NOT SUPPORTED! DO NOT SET!
  1448. */
  1449. #ifndef CCP_SUPPORT
  1450. #define CCP_SUPPORT 0
  1451. #endif
  1452. /**
  1453. * VJ_SUPPORT==1: Support VJ header compression.
  1454. */
  1455. #ifndef VJ_SUPPORT
  1456. #define VJ_SUPPORT 0
  1457. #endif
  1458. /**
  1459. * MD5_SUPPORT==1: Support MD5 (see also CHAP).
  1460. */
  1461. #ifndef MD5_SUPPORT
  1462. #define MD5_SUPPORT 0
  1463. #endif
  1464. /*
  1465. * Timeouts
  1466. */
  1467. #ifndef FSM_DEFTIMEOUT
  1468. #define FSM_DEFTIMEOUT 6 /* Timeout time in seconds */
  1469. #endif
  1470. #ifndef FSM_DEFMAXTERMREQS
  1471. #define FSM_DEFMAXTERMREQS 2 /* Maximum Terminate-Request transmissions */
  1472. #endif
  1473. #ifndef FSM_DEFMAXCONFREQS
  1474. #define FSM_DEFMAXCONFREQS 10 /* Maximum Configure-Request transmissions */
  1475. #endif
  1476. #ifndef FSM_DEFMAXNAKLOOPS
  1477. #define FSM_DEFMAXNAKLOOPS 5 /* Maximum number of nak loops */
  1478. #endif
  1479. #ifndef UPAP_DEFTIMEOUT
  1480. #define UPAP_DEFTIMEOUT 6 /* Timeout (seconds) for retransmitting req */
  1481. #endif
  1482. #ifndef UPAP_DEFREQTIME
  1483. #define UPAP_DEFREQTIME 30 /* Time to wait for auth-req from peer */
  1484. #endif
  1485. #ifndef CHAP_DEFTIMEOUT
  1486. #define CHAP_DEFTIMEOUT 6 /* Timeout time in seconds */
  1487. #endif
  1488. #ifndef CHAP_DEFTRANSMITS
  1489. #define CHAP_DEFTRANSMITS 10 /* max # times to send challenge */
  1490. #endif
  1491. /* Interval in seconds between keepalive echo requests, 0 to disable. */
  1492. #ifndef LCP_ECHOINTERVAL
  1493. #define LCP_ECHOINTERVAL 0
  1494. #endif
  1495. /* Number of unanswered echo requests before failure. */
  1496. #ifndef LCP_MAXECHOFAILS
  1497. #define LCP_MAXECHOFAILS 3
  1498. #endif
  1499. /* Max Xmit idle time (in jiffies) before resend flag char. */
  1500. #ifndef PPP_MAXIDLEFLAG
  1501. #define PPP_MAXIDLEFLAG 100
  1502. #endif
  1503. /*
  1504. * Packet sizes
  1505. *
  1506. * Note - lcp shouldn't be allowed to negotiate stuff outside these
  1507. * limits. See lcp.h in the pppd directory.
  1508. * (XXX - these constants should simply be shared by lcp.c instead
  1509. * of living in lcp.h)
  1510. */
  1511. #define PPP_MTU 1500 /* Default MTU (size of Info field) */
  1512. #ifndef PPP_MAXMTU
  1513. /* #define PPP_MAXMTU 65535 - (PPP_HDRLEN + PPP_FCSLEN) */
  1514. #define PPP_MAXMTU 1500 /* Largest MTU we allow */
  1515. #endif
  1516. #define PPP_MINMTU 64
  1517. #define PPP_MRU 1500 /* default MRU = max length of info field */
  1518. #define PPP_MAXMRU 1500 /* Largest MRU we allow */
  1519. #ifndef PPP_DEFMRU
  1520. #define PPP_DEFMRU 296 /* Try for this */
  1521. #endif
  1522. #define PPP_MINMRU 128 /* No MRUs below this */
  1523. #ifndef MAXNAMELEN
  1524. #define MAXNAMELEN 256 /* max length of hostname or name for auth */
  1525. #endif
  1526. #ifndef MAXSECRETLEN
  1527. #define MAXSECRETLEN 256 /* max length of password or secret */
  1528. #endif
  1529. #endif /* PPP_SUPPORT */
  1530. /*
  1531. --------------------------------------
  1532. ---------- Checksum options ----------
  1533. --------------------------------------
  1534. */
  1535. /**
  1536. * CHECKSUM_GEN_IP==1: Generate checksums in software for outgoing IP packets.
  1537. */
  1538. #ifndef CHECKSUM_GEN_IP
  1539. #define CHECKSUM_GEN_IP 1
  1540. #endif
  1541. /**
  1542. * CHECKSUM_GEN_UDP==1: Generate checksums in software for outgoing UDP packets.
  1543. */
  1544. #ifndef CHECKSUM_GEN_UDP
  1545. #define CHECKSUM_GEN_UDP 1
  1546. #endif
  1547. /**
  1548. * CHECKSUM_GEN_TCP==1: Generate checksums in software for outgoing TCP packets.
  1549. */
  1550. #ifndef CHECKSUM_GEN_TCP
  1551. #define CHECKSUM_GEN_TCP 1
  1552. #endif
  1553. /**
  1554. * CHECKSUM_CHECK_IP==1: Check checksums in software for incoming IP packets.
  1555. */
  1556. #ifndef CHECKSUM_CHECK_IP
  1557. #define CHECKSUM_CHECK_IP 1
  1558. #endif
  1559. /**
  1560. * CHECKSUM_CHECK_UDP==1: Check checksums in software for incoming UDP packets.
  1561. */
  1562. #ifndef CHECKSUM_CHECK_UDP
  1563. #define CHECKSUM_CHECK_UDP 1
  1564. #endif
  1565. /**
  1566. * CHECKSUM_CHECK_TCP==1: Check checksums in software for incoming TCP packets.
  1567. */
  1568. #ifndef CHECKSUM_CHECK_TCP
  1569. #define CHECKSUM_CHECK_TCP 1
  1570. #endif
  1571. /**
  1572. * LWIP_CHECKSUM_ON_COPY==1: Calculate checksum when copying data from
  1573. * application buffers to pbufs.
  1574. */
  1575. #ifndef LWIP_CHECKSUM_ON_COPY
  1576. #define LWIP_CHECKSUM_ON_COPY 0
  1577. #endif
  1578. /*
  1579. ---------------------------------------
  1580. ---------- Debugging options ----------
  1581. ---------------------------------------
  1582. */
  1583. /**
  1584. * LWIP_DBG_MIN_LEVEL: After masking, the value of the debug is
  1585. * compared against this value. If it is smaller, then debugging
  1586. * messages are written.
  1587. */
  1588. #ifndef LWIP_DBG_MIN_LEVEL
  1589. #define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_ALL
  1590. #endif
  1591. /**
  1592. * LWIP_DBG_TYPES_ON: A mask that can be used to globally enable/disable
  1593. * debug messages of certain types.
  1594. */
  1595. #ifndef LWIP_DBG_TYPES_ON
  1596. #define LWIP_DBG_TYPES_ON LWIP_DBG_OFF
  1597. #endif
  1598. /**
  1599. * ETHARP_DEBUG: Enable debugging in etharp.c.
  1600. */
  1601. #ifndef ETHARP_DEBUG
  1602. #define ETHARP_DEBUG LWIP_DBG_OFF
  1603. #endif
  1604. /**
  1605. * NETIF_DEBUG: Enable debugging in netif.c.
  1606. */
  1607. #ifndef NETIF_DEBUG
  1608. #define NETIF_DEBUG LWIP_DBG_OFF
  1609. #endif
  1610. /**
  1611. * PBUF_DEBUG: Enable debugging in pbuf.c.
  1612. */
  1613. #ifndef PBUF_DEBUG
  1614. #define PBUF_DEBUG LWIP_DBG_OFF
  1615. #endif
  1616. /**
  1617. * API_LIB_DEBUG: Enable debugging in api_lib.c.
  1618. */
  1619. #ifndef API_LIB_DEBUG
  1620. #define API_LIB_DEBUG LWIP_DBG_OFF
  1621. #endif
  1622. /**
  1623. * API_MSG_DEBUG: Enable debugging in api_msg.c.
  1624. */
  1625. #ifndef API_MSG_DEBUG
  1626. #define API_MSG_DEBUG LWIP_DBG_OFF
  1627. #endif
  1628. /**
  1629. * SOCKETS_DEBUG: Enable debugging in sockets.c.
  1630. */
  1631. #ifndef SOCKETS_DEBUG
  1632. #define SOCKETS_DEBUG LWIP_DBG_OFF
  1633. #endif
  1634. /**
  1635. * ICMP_DEBUG: Enable debugging in icmp.c.
  1636. */
  1637. #ifndef ICMP_DEBUG
  1638. #define ICMP_DEBUG LWIP_DBG_OFF
  1639. #endif
  1640. /**
  1641. * IGMP_DEBUG: Enable debugging in igmp.c.
  1642. */
  1643. #ifndef IGMP_DEBUG
  1644. #define IGMP_DEBUG LWIP_DBG_OFF
  1645. #endif
  1646. /**
  1647. * INET_DEBUG: Enable debugging in inet.c.
  1648. */
  1649. #ifndef INET_DEBUG
  1650. #define INET_DEBUG LWIP_DBG_OFF
  1651. #endif
  1652. /**
  1653. * IP_DEBUG: Enable debugging for IP.
  1654. */
  1655. #ifndef IP_DEBUG
  1656. #define IP_DEBUG LWIP_DBG_OFF
  1657. #endif
  1658. /**
  1659. * IP_REASS_DEBUG: Enable debugging in ip_frag.c for both frag & reass.
  1660. */
  1661. #ifndef IP_REASS_DEBUG
  1662. #define IP_REASS_DEBUG LWIP_DBG_OFF
  1663. #endif
  1664. /**
  1665. * RAW_DEBUG: Enable debugging in raw.c.
  1666. */
  1667. #ifndef RAW_DEBUG
  1668. #define RAW_DEBUG LWIP_DBG_OFF
  1669. #endif
  1670. /**
  1671. * MEM_DEBUG: Enable debugging in mem.c.
  1672. */
  1673. #ifndef MEM_DEBUG
  1674. #define MEM_DEBUG LWIP_DBG_OFF
  1675. #endif
  1676. /**
  1677. * MEMP_DEBUG: Enable debugging in memp.c.
  1678. */
  1679. #ifndef MEMP_DEBUG
  1680. #define MEMP_DEBUG LWIP_DBG_OFF
  1681. #endif
  1682. /**
  1683. * SYS_DEBUG: Enable debugging in sys.c.
  1684. */
  1685. #ifndef SYS_DEBUG
  1686. #define SYS_DEBUG LWIP_DBG_OFF
  1687. #endif
  1688. /**
  1689. * TIMERS_DEBUG: Enable debugging in timers.c.
  1690. */
  1691. #ifndef TIMERS_DEBUG
  1692. #define TIMERS_DEBUG LWIP_DBG_OFF
  1693. #endif
  1694. /**
  1695. * TCP_DEBUG: Enable debugging for TCP.
  1696. */
  1697. #ifndef TCP_DEBUG
  1698. #define TCP_DEBUG LWIP_DBG_OFF
  1699. #endif
  1700. /**
  1701. * TCP_INPUT_DEBUG: Enable debugging in tcp_in.c for incoming debug.
  1702. */
  1703. #ifndef TCP_INPUT_DEBUG
  1704. #define TCP_INPUT_DEBUG LWIP_DBG_OFF
  1705. #endif
  1706. /**
  1707. * TCP_FR_DEBUG: Enable debugging in tcp_in.c for fast retransmit.
  1708. */
  1709. #ifndef TCP_FR_DEBUG
  1710. #define TCP_FR_DEBUG LWIP_DBG_OFF
  1711. #endif
  1712. /**
  1713. * TCP_RTO_DEBUG: Enable debugging in TCP for retransmit
  1714. * timeout.
  1715. */
  1716. #ifndef TCP_RTO_DEBUG
  1717. #define TCP_RTO_DEBUG LWIP_DBG_OFF
  1718. #endif
  1719. /**
  1720. * TCP_CWND_DEBUG: Enable debugging for TCP congestion window.
  1721. */
  1722. #ifndef TCP_CWND_DEBUG
  1723. #define TCP_CWND_DEBUG LWIP_DBG_OFF
  1724. #endif
  1725. /**
  1726. * TCP_WND_DEBUG: Enable debugging in tcp_in.c for window updating.
  1727. */
  1728. #ifndef TCP_WND_DEBUG
  1729. #define TCP_WND_DEBUG LWIP_DBG_OFF
  1730. #endif
  1731. /**
  1732. * TCP_OUTPUT_DEBUG: Enable debugging in tcp_out.c output functions.
  1733. */
  1734. #ifndef TCP_OUTPUT_DEBUG
  1735. #define TCP_OUTPUT_DEBUG LWIP_DBG_OFF
  1736. #endif
  1737. /**
  1738. * TCP_RST_DEBUG: Enable debugging for TCP with the RST message.
  1739. */
  1740. #ifndef TCP_RST_DEBUG
  1741. #define TCP_RST_DEBUG LWIP_DBG_OFF
  1742. #endif
  1743. /**
  1744. * TCP_QLEN_DEBUG: Enable debugging for TCP queue lengths.
  1745. */
  1746. #ifndef TCP_QLEN_DEBUG
  1747. #define TCP_QLEN_DEBUG LWIP_DBG_OFF
  1748. #endif
  1749. /**
  1750. * UDP_DEBUG: Enable debugging in UDP.
  1751. */
  1752. #ifndef UDP_DEBUG
  1753. #define UDP_DEBUG LWIP_DBG_OFF
  1754. #endif
  1755. /**
  1756. * TCPIP_DEBUG: Enable debugging in tcpip.c.
  1757. */
  1758. #ifndef TCPIP_DEBUG
  1759. #define TCPIP_DEBUG LWIP_DBG_OFF
  1760. #endif
  1761. /**
  1762. * PPP_DEBUG: Enable debugging for PPP.
  1763. */
  1764. #ifndef PPP_DEBUG
  1765. #define PPP_DEBUG LWIP_DBG_OFF
  1766. #endif
  1767. /**
  1768. * SLIP_DEBUG: Enable debugging in slipif.c.
  1769. */
  1770. #ifndef SLIP_DEBUG
  1771. #define SLIP_DEBUG LWIP_DBG_OFF
  1772. #endif
  1773. /**
  1774. * DHCP_DEBUG: Enable debugging in dhcp.c.
  1775. */
  1776. #ifndef DHCP_DEBUG
  1777. #define DHCP_DEBUG LWIP_DBG_OFF
  1778. #endif
  1779. /**
  1780. * AUTOIP_DEBUG: Enable debugging in autoip.c.
  1781. */
  1782. #ifndef AUTOIP_DEBUG
  1783. #define AUTOIP_DEBUG LWIP_DBG_OFF
  1784. #endif
  1785. /**
  1786. * SNMP_MSG_DEBUG: Enable debugging for SNMP messages.
  1787. */
  1788. #ifndef SNMP_MSG_DEBUG
  1789. #define SNMP_MSG_DEBUG LWIP_DBG_OFF
  1790. #endif
  1791. /**
  1792. * SNMP_MIB_DEBUG: Enable debugging for SNMP MIBs.
  1793. */
  1794. #ifndef SNMP_MIB_DEBUG
  1795. #define SNMP_MIB_DEBUG LWIP_DBG_OFF
  1796. #endif
  1797. /**
  1798. * DNS_DEBUG: Enable debugging for DNS.
  1799. */
  1800. #ifndef DNS_DEBUG
  1801. #define DNS_DEBUG LWIP_DBG_OFF
  1802. #endif
  1803. #ifndef TCP_MSL
  1804. #define TCP_MSL 2000UL /* The maximum segment lifetime in milliseconds */
  1805. #endif
  1806. #endif /* __LWIP_OPT_H__ */