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00001 /** 00002 * @file 00003 * 00004 * lwIP Options Configuration 00005 */ 00006 00007 /* 00008 * Copyright (c) 2001-2004 Swedish Institute of Computer Science. 00009 * All rights reserved. 00010 * 00011 * Redistribution and use in source and binary forms, with or without modification, 00012 * are permitted provided that the following conditions are met: 00013 * 00014 * 1. Redistributions of source code must retain the above copyright notice, 00015 * this list of conditions and the following disclaimer. 00016 * 2. Redistributions in binary form must reproduce the above copyright notice, 00017 * this list of conditions and the following disclaimer in the documentation 00018 * and/or other materials provided with the distribution. 00019 * 3. The name of the author may not be used to endorse or promote products 00020 * derived from this software without specific prior written permission. 00021 * 00022 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 00023 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 00024 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 00025 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00026 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 00027 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00028 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00029 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 00030 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 00031 * OF SUCH DAMAGE. 00032 * 00033 * This file is part of the lwIP TCP/IP stack. 00034 * 00035 * Author: Adam Dunkels <adam@sics.se> 00036 * 00037 */ 00038 #ifndef __LWIP_OPT_H__ 00039 #define __LWIP_OPT_H__ 00040 00041 /* 00042 * Include user defined options first. Anything not defined in these files 00043 * will be set to standard values. Override anything you dont like! 00044 */ 00045 #include "lwipopts.h" 00046 #include "lwip/debug.h" 00047 00048 /* 00049 ----------------------------------------------- 00050 ---------- Platform specific locking ---------- 00051 ----------------------------------------------- 00052 */ 00053 00054 /** 00055 * SYS_LIGHTWEIGHT_PROT==1: if you want inter-task protection for certain 00056 * critical regions during buffer allocation, deallocation and memory 00057 * allocation and deallocation. 00058 */ 00059 #ifndef SYS_LIGHTWEIGHT_PROT 00060 #define SYS_LIGHTWEIGHT_PROT 0 00061 #endif 00062 00063 /** 00064 * NO_SYS==1: Provides VERY minimal functionality. Otherwise, 00065 * use lwIP facilities. 00066 */ 00067 #ifndef NO_SYS 00068 #define NO_SYS 0 00069 #endif 00070 00071 /** 00072 * MEMCPY: override this if you have a faster implementation at hand than the 00073 * one included in your C library 00074 */ 00075 #ifndef MEMCPY 00076 #define MEMCPY(dst,src,len) memcpy(dst,src,len) 00077 #endif 00078 00079 /** 00080 * SMEMCPY: override this with care! Some compilers (e.g. gcc) can inline a 00081 * call to memcpy() if the length is known at compile time and is small. 00082 */ 00083 #ifndef SMEMCPY 00084 #define SMEMCPY(dst,src,len) memcpy(dst,src,len) 00085 #endif 00086 00087 /* 00088 ------------------------------------ 00089 ---------- Memory options ---------- 00090 ------------------------------------ 00091 */ 00092 /** 00093 * MEM_LIBC_MALLOC==1: Use malloc/free/realloc provided by your C-library 00094 * instead of the lwip internal allocator. Can save code size if you 00095 * already use it. 00096 */ 00097 #ifndef MEM_LIBC_MALLOC 00098 #define MEM_LIBC_MALLOC 0 00099 #endif 00100 00101 /** 00102 * MEMP_MEM_MALLOC==1: Use mem_malloc/mem_free instead of the lwip pool allocator. 00103 * Especially useful with MEM_LIBC_MALLOC but handle with care regarding execution 00104 * speed and usage from interrupts! 00105 */ 00106 #ifndef MEMP_MEM_MALLOC 00107 #define MEMP_MEM_MALLOC 0 00108 #endif 00109 00110 /** 00111 * MEM_ALIGNMENT: should be set to the alignment of the CPU 00112 * 4 byte alignment -> #define MEM_ALIGNMENT 4 00113 * 2 byte alignment -> #define MEM_ALIGNMENT 2 00114 */ 00115 #ifndef MEM_ALIGNMENT 00116 #define MEM_ALIGNMENT 1 00117 #endif 00118 00119 /** 00120 * MEM_SIZE: the size of the heap memory. If the application will send 00121 * a lot of data that needs to be copied, this should be set high. 00122 */ 00123 #ifndef MEM_SIZE 00124 #define MEM_SIZE 1600 00125 #endif 00126 00127 /** 00128 * MEMP_OVERFLOW_CHECK: memp overflow protection reserves a configurable 00129 * amount of bytes before and after each memp element in every pool and fills 00130 * it with a prominent default value. 00131 * MEMP_OVERFLOW_CHECK == 0 no checking 00132 * MEMP_OVERFLOW_CHECK == 1 checks each element when it is freed 00133 * MEMP_OVERFLOW_CHECK >= 2 checks each element in every pool every time 00134 * memp_malloc() or memp_free() is called (useful but slow!) 00135 */ 00136 #ifndef MEMP_OVERFLOW_CHECK 00137 #define MEMP_OVERFLOW_CHECK 0 00138 #endif 00139 00140 /** 00141 * MEMP_SANITY_CHECK==1: run a sanity check after each memp_free() to make 00142 * sure that there are no cycles in the linked lists. 00143 */ 00144 #ifndef MEMP_SANITY_CHECK 00145 #define MEMP_SANITY_CHECK 0 00146 #endif 00147 00148 /** 00149 * MEM_USE_POOLS==1: Use an alternative to malloc() by allocating from a set 00150 * of memory pools of various sizes. When mem_malloc is called, an element of 00151 * the smallest pool that can provide the length needed is returned. 00152 * To use this, MEMP_USE_CUSTOM_POOLS also has to be enabled. 00153 */ 00154 #ifndef MEM_USE_POOLS 00155 #define MEM_USE_POOLS 0 00156 #endif 00157 00158 /** 00159 * MEM_USE_POOLS_TRY_BIGGER_POOL==1: if one malloc-pool is empty, try the next 00160 * bigger pool - WARNING: THIS MIGHT WASTE MEMORY but it can make a system more 00161 * reliable. */ 00162 #ifndef MEM_USE_POOLS_TRY_BIGGER_POOL 00163 #define MEM_USE_POOLS_TRY_BIGGER_POOL 0 00164 #endif 00165 00166 /** 00167 * MEMP_USE_CUSTOM_POOLS==1: whether to include a user file lwippools.h 00168 * that defines additional pools beyond the "standard" ones required 00169 * by lwIP. If you set this to 1, you must have lwippools.h in your 00170 * inlude path somewhere. 00171 */ 00172 #ifndef MEMP_USE_CUSTOM_POOLS 00173 #define MEMP_USE_CUSTOM_POOLS 0 00174 #endif 00175 00176 /** 00177 * Set this to 1 if you want to free PBUF_RAM pbufs (or call mem_free()) from 00178 * interrupt context (or another context that doesn't allow waiting for a 00179 * semaphore). 00180 * If set to 1, mem_malloc will be protected by a semaphore and SYS_ARCH_PROTECT, 00181 * while mem_free will only use SYS_ARCH_PROTECT. mem_malloc SYS_ARCH_UNPROTECTs 00182 * with each loop so that mem_free can run. 00183 * 00184 * ATTENTION: As you can see from the above description, this leads to dis-/ 00185 * enabling interrupts often, which can be slow! Also, on low memory, mem_malloc 00186 * can need longer. 00187 * 00188 * If you don't want that, at least for NO_SYS=0, you can still use the following 00189 * functions to enqueue a deallocation call which then runs in the tcpip_thread 00190 * context: 00191 * - pbuf_free_callback(p); 00192 * - mem_free_callback(m); 00193 */ 00194 #ifndef LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT 00195 #define LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT 0 00196 #endif 00197 00198 /* 00199 ------------------------------------------------ 00200 ---------- Internal Memory Pool Sizes ---------- 00201 ------------------------------------------------ 00202 */ 00203 /** 00204 * MEMP_NUM_PBUF: the number of memp struct pbufs (used for PBUF_ROM and PBUF_REF). 00205 * If the application sends a lot of data out of ROM (or other static memory), 00206 * this should be set high. 00207 */ 00208 #ifndef MEMP_NUM_PBUF 00209 #define MEMP_NUM_PBUF 16 00210 #endif 00211 00212 /** 00213 * MEMP_NUM_RAW_PCB: Number of raw connection PCBs 00214 * (requires the LWIP_RAW option) 00215 */ 00216 #ifndef MEMP_NUM_RAW_PCB 00217 #define MEMP_NUM_RAW_PCB 4 00218 #endif 00219 00220 /** 00221 * MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One 00222 * per active UDP "connection". 00223 * (requires the LWIP_UDP option) 00224 */ 00225 #ifndef MEMP_NUM_UDP_PCB 00226 #define MEMP_NUM_UDP_PCB 4 00227 #endif 00228 00229 /** 00230 * MEMP_NUM_TCP_PCB: the number of simulatenously active TCP connections. 00231 * (requires the LWIP_TCP option) 00232 */ 00233 #ifndef MEMP_NUM_TCP_PCB 00234 #define MEMP_NUM_TCP_PCB 5 00235 #endif 00236 00237 /** 00238 * MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP connections. 00239 * (requires the LWIP_TCP option) 00240 */ 00241 #ifndef MEMP_NUM_TCP_PCB_LISTEN 00242 #define MEMP_NUM_TCP_PCB_LISTEN 8 00243 #endif 00244 00245 /** 00246 * MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP segments. 00247 * (requires the LWIP_TCP option) 00248 */ 00249 #ifndef MEMP_NUM_TCP_SEG 00250 #define MEMP_NUM_TCP_SEG 16 00251 #endif 00252 00253 /** 00254 * MEMP_NUM_REASSDATA: the number of simultaneously IP packets queued for 00255 * reassembly (whole packets, not fragments!) 00256 */ 00257 #ifndef MEMP_NUM_REASSDATA 00258 #define MEMP_NUM_REASSDATA 5 00259 #endif 00260 00261 /** 00262 * MEMP_NUM_ARP_QUEUE: the number of simulateously queued outgoing 00263 * packets (pbufs) that are waiting for an ARP request (to resolve 00264 * their destination address) to finish. 00265 * (requires the ARP_QUEUEING option) 00266 */ 00267 #ifndef MEMP_NUM_ARP_QUEUE 00268 #define MEMP_NUM_ARP_QUEUE 30 00269 #endif 00270 00271 /** 00272 * MEMP_NUM_IGMP_GROUP: The number of multicast groups whose network interfaces 00273 * can be members et the same time (one per netif - allsystems group -, plus one 00274 * per netif membership). 00275 * (requires the LWIP_IGMP option) 00276 */ 00277 #ifndef MEMP_NUM_IGMP_GROUP 00278 #define MEMP_NUM_IGMP_GROUP 8 00279 #endif 00280 00281 /** 00282 * MEMP_NUM_SYS_TIMEOUT: the number of simulateously active timeouts. 00283 * (requires NO_SYS==0) 00284 */ 00285 #ifndef MEMP_NUM_SYS_TIMEOUT 00286 #define MEMP_NUM_SYS_TIMEOUT 3 00287 #endif 00288 00289 /** 00290 * MEMP_NUM_NETBUF: the number of struct netbufs. 00291 * (only needed if you use the sequential API, like api_lib.c) 00292 */ 00293 #ifndef MEMP_NUM_NETBUF 00294 #define MEMP_NUM_NETBUF 2 00295 #endif 00296 00297 /** 00298 * MEMP_NUM_NETCONN: the number of struct netconns. 00299 * (only needed if you use the sequential API, like api_lib.c) 00300 */ 00301 #ifndef MEMP_NUM_NETCONN 00302 #define MEMP_NUM_NETCONN 4 00303 #endif 00304 00305 /** 00306 * MEMP_NUM_TCPIP_MSG_API: the number of struct tcpip_msg, which are used 00307 * for callback/timeout API communication. 00308 * (only needed if you use tcpip.c) 00309 */ 00310 #ifndef MEMP_NUM_TCPIP_MSG_API 00311 #define MEMP_NUM_TCPIP_MSG_API 8 00312 #endif 00313 00314 /** 00315 * MEMP_NUM_TCPIP_MSG_INPKT: the number of struct tcpip_msg, which are used 00316 * for incoming packets. 00317 * (only needed if you use tcpip.c) 00318 */ 00319 #ifndef MEMP_NUM_TCPIP_MSG_INPKT 00320 #define MEMP_NUM_TCPIP_MSG_INPKT 8 00321 #endif 00322 00323 /** 00324 * PBUF_POOL_SIZE: the number of buffers in the pbuf pool. 00325 */ 00326 #ifndef PBUF_POOL_SIZE 00327 #define PBUF_POOL_SIZE 16 00328 #endif 00329 00330 /* 00331 --------------------------------- 00332 ---------- ARP options ---------- 00333 --------------------------------- 00334 */ 00335 /** 00336 * LWIP_ARP==1: Enable ARP functionality. 00337 */ 00338 #ifndef LWIP_ARP 00339 #define LWIP_ARP 1 00340 #endif 00341 00342 /** 00343 * ARP_TABLE_SIZE: Number of active MAC-IP address pairs cached. 00344 */ 00345 #ifndef ARP_TABLE_SIZE 00346 #define ARP_TABLE_SIZE 10 00347 #endif 00348 00349 /** 00350 * ARP_QUEUEING==1: Outgoing packets are queued during hardware address 00351 * resolution. 00352 */ 00353 #ifndef ARP_QUEUEING 00354 #define ARP_QUEUEING 1 00355 #endif 00356 00357 /** 00358 * ETHARP_TRUST_IP_MAC==1: Incoming IP packets cause the ARP table to be 00359 * updated with the source MAC and IP addresses supplied in the packet. 00360 * You may want to disable this if you do not trust LAN peers to have the 00361 * correct addresses, or as a limited approach to attempt to handle 00362 * spoofing. If disabled, lwIP will need to make a new ARP request if 00363 * the peer is not already in the ARP table, adding a little latency. 00364 */ 00365 #ifndef ETHARP_TRUST_IP_MAC 00366 #define ETHARP_TRUST_IP_MAC 1 00367 #endif 00368 00369 /* 00370 -------------------------------- 00371 ---------- IP options ---------- 00372 -------------------------------- 00373 */ 00374 /** 00375 * IP_FORWARD==1: Enables the ability to forward IP packets across network 00376 * interfaces. If you are going to run lwIP on a device with only one network 00377 * interface, define this to 0. 00378 */ 00379 #ifndef IP_FORWARD 00380 #define IP_FORWARD 0 00381 #endif 00382 00383 /** 00384 * IP_OPTIONS_ALLOWED: Defines the behavior for IP options. 00385 * IP_OPTIONS_ALLOWED==0: All packets with IP options are dropped. 00386 * IP_OPTIONS_ALLOWED==1: IP options are allowed (but not parsed). 00387 */ 00388 #ifndef IP_OPTIONS_ALLOWED 00389 #define IP_OPTIONS_ALLOWED 1 00390 #endif 00391 00392 /** 00393 * IP_REASSEMBLY==1: Reassemble incoming fragmented IP packets. Note that 00394 * this option does not affect outgoing packet sizes, which can be controlled 00395 * via IP_FRAG. 00396 */ 00397 #ifndef IP_REASSEMBLY 00398 #define IP_REASSEMBLY 1 00399 #endif 00400 00401 /** 00402 * IP_FRAG==1: Fragment outgoing IP packets if their size exceeds MTU. Note 00403 * that this option does not affect incoming packet sizes, which can be 00404 * controlled via IP_REASSEMBLY. 00405 */ 00406 #ifndef IP_FRAG 00407 #define IP_FRAG 1 00408 #endif 00409 00410 /** 00411 * IP_REASS_MAXAGE: Maximum time (in multiples of IP_TMR_INTERVAL - so seconds, normally) 00412 * a fragmented IP packet waits for all fragments to arrive. If not all fragments arrived 00413 * in this time, the whole packet is discarded. 00414 */ 00415 #ifndef IP_REASS_MAXAGE 00416 #define IP_REASS_MAXAGE 3 00417 #endif 00418 00419 /** 00420 * IP_REASS_MAX_PBUFS: Total maximum amount of pbufs waiting to be reassembled. 00421 * Since the received pbufs are enqueued, be sure to configure 00422 * PBUF_POOL_SIZE > IP_REASS_MAX_PBUFS so that the stack is still able to receive 00423 * packets even if the maximum amount of fragments is enqueued for reassembly! 00424 */ 00425 #ifndef IP_REASS_MAX_PBUFS 00426 #define IP_REASS_MAX_PBUFS 10 00427 #endif 00428 00429 /** 00430 * IP_FRAG_USES_STATIC_BUF==1: Use a static MTU-sized buffer for IP 00431 * fragmentation. Otherwise pbufs are allocated and reference the original 00432 * packet data to be fragmented. 00433 */ 00434 #ifndef IP_FRAG_USES_STATIC_BUF 00435 #define IP_FRAG_USES_STATIC_BUF 1 00436 #endif 00437 00438 /** 00439 * IP_FRAG_MAX_MTU: Assumed max MTU on any interface for IP frag buffer 00440 * (requires IP_FRAG_USES_STATIC_BUF==1) 00441 */ 00442 #if IP_FRAG_USES_STATIC_BUF && !defined(IP_FRAG_MAX_MTU) 00443 #define IP_FRAG_MAX_MTU 1500 00444 #endif 00445 00446 /** 00447 * IP_DEFAULT_TTL: Default value for Time-To-Live used by transport layers. 00448 */ 00449 #ifndef IP_DEFAULT_TTL 00450 #define IP_DEFAULT_TTL 255 00451 #endif 00452 00453 /* 00454 ---------------------------------- 00455 ---------- ICMP options ---------- 00456 ---------------------------------- 00457 */ 00458 /** 00459 * LWIP_ICMP==1: Enable ICMP module inside the IP stack. 00460 * Be careful, disable that make your product non-compliant to RFC1122 00461 */ 00462 #ifndef LWIP_ICMP 00463 #define LWIP_ICMP 1 00464 #endif 00465 00466 /** 00467 * ICMP_TTL: Default value for Time-To-Live used by ICMP packets. 00468 */ 00469 #ifndef ICMP_TTL 00470 #define ICMP_TTL (IP_DEFAULT_TTL) 00471 #endif 00472 00473 /** 00474 * LWIP_BROADCAST_PING==1: respond to broadcast pings (default is unicast only) 00475 */ 00476 #ifndef LWIP_BROADCAST_PING 00477 #define LWIP_BROADCAST_PING 0 00478 #endif 00479 00480 /** 00481 * LWIP_MULTICAST_PING==1: respond to multicast pings (default is unicast only) 00482 */ 00483 #ifndef LWIP_MULTICAST_PING 00484 #define LWIP_MULTICAST_PING 0 00485 #endif 00486 00487 /* 00488 --------------------------------- 00489 ---------- RAW options ---------- 00490 --------------------------------- 00491 */ 00492 /** 00493 * LWIP_RAW==1: Enable application layer to hook into the IP layer itself. 00494 */ 00495 #ifndef LWIP_RAW 00496 #define LWIP_RAW 1 00497 #endif 00498 00499 /** 00500 * LWIP_RAW==1: Enable application layer to hook into the IP layer itself. 00501 */ 00502 #ifndef RAW_TTL 00503 #define RAW_TTL (IP_DEFAULT_TTL) 00504 #endif 00505 00506 /* 00507 ---------------------------------- 00508 ---------- DHCP options ---------- 00509 ---------------------------------- 00510 */ 00511 /** 00512 * LWIP_DHCP==1: Enable DHCP module. 00513 */ 00514 #ifndef LWIP_DHCP 00515 #define LWIP_DHCP 0 00516 #endif 00517 00518 /** 00519 * DHCP_DOES_ARP_CHECK==1: Do an ARP check on the offered address. 00520 */ 00521 #ifndef DHCP_DOES_ARP_CHECK 00522 #define DHCP_DOES_ARP_CHECK ((LWIP_DHCP) && (LWIP_ARP)) 00523 #endif 00524 00525 /* 00526 ------------------------------------ 00527 ---------- AUTOIP options ---------- 00528 ------------------------------------ 00529 */ 00530 /** 00531 * LWIP_AUTOIP==1: Enable AUTOIP module. 00532 */ 00533 #ifndef LWIP_AUTOIP 00534 #define LWIP_AUTOIP 0 00535 #endif 00536 00537 /** 00538 * LWIP_DHCP_AUTOIP_COOP==1: Allow DHCP and AUTOIP to be both enabled on 00539 * the same interface at the same time. 00540 */ 00541 #ifndef LWIP_DHCP_AUTOIP_COOP 00542 #define LWIP_DHCP_AUTOIP_COOP 0 00543 #endif 00544 00545 /* 00546 ---------------------------------- 00547 ---------- SNMP options ---------- 00548 ---------------------------------- 00549 */ 00550 /** 00551 * LWIP_SNMP==1: Turn on SNMP module. UDP must be available for SNMP 00552 * transport. 00553 */ 00554 #ifndef LWIP_SNMP 00555 #define LWIP_SNMP 0 00556 #endif 00557 00558 /** 00559 * SNMP_CONCURRENT_REQUESTS: Number of concurrent requests the module will 00560 * allow. At least one request buffer is required. 00561 */ 00562 #ifndef SNMP_CONCURRENT_REQUESTS 00563 #define SNMP_CONCURRENT_REQUESTS 1 00564 #endif 00565 00566 /** 00567 * SNMP_TRAP_DESTINATIONS: Number of trap destinations. At least one trap 00568 * destination is required 00569 */ 00570 #ifndef SNMP_TRAP_DESTINATIONS 00571 #define SNMP_TRAP_DESTINATIONS 1 00572 #endif 00573 00574 /** 00575 * SNMP_PRIVATE_MIB: 00576 */ 00577 #ifndef SNMP_PRIVATE_MIB 00578 #define SNMP_PRIVATE_MIB 0 00579 #endif 00580 00581 /** 00582 * Only allow SNMP write actions that are 'safe' (e.g. disabeling netifs is not 00583 * a safe action and disabled when SNMP_SAFE_REQUESTS = 1). 00584 * Unsafe requests are disabled by default! 00585 */ 00586 #ifndef SNMP_SAFE_REQUESTS 00587 #define SNMP_SAFE_REQUESTS 1 00588 #endif 00589 00590 /* 00591 ---------------------------------- 00592 ---------- IGMP options ---------- 00593 ---------------------------------- 00594 */ 00595 /** 00596 * LWIP_IGMP==1: Turn on IGMP module. 00597 */ 00598 #ifndef LWIP_IGMP 00599 #define LWIP_IGMP 0 00600 #endif 00601 00602 /* 00603 ---------------------------------- 00604 ---------- DNS options ----------- 00605 ---------------------------------- 00606 */ 00607 /** 00608 * LWIP_DNS==1: Turn on DNS module. UDP must be available for DNS 00609 * transport. 00610 */ 00611 #ifndef LWIP_DNS 00612 #define LWIP_DNS 0 00613 #endif 00614 00615 /** DNS maximum number of entries to maintain locally. */ 00616 #ifndef DNS_TABLE_SIZE 00617 #define DNS_TABLE_SIZE 4 00618 #endif 00619 00620 /** DNS maximum host name length supported in the name table. */ 00621 #ifndef DNS_MAX_NAME_LENGTH 00622 #define DNS_MAX_NAME_LENGTH 256 00623 #endif 00624 00625 /** The maximum of DNS servers */ 00626 #ifndef DNS_MAX_SERVERS 00627 #define DNS_MAX_SERVERS 2 00628 #endif 00629 00630 /** DNS do a name checking between the query and the response. */ 00631 #ifndef DNS_DOES_NAME_CHECK 00632 #define DNS_DOES_NAME_CHECK 1 00633 #endif 00634 00635 /** DNS use a local buffer if DNS_USES_STATIC_BUF=0, a static one if 00636 DNS_USES_STATIC_BUF=1, or a dynamic one if DNS_USES_STATIC_BUF=2. 00637 The buffer will be of size DNS_MSG_SIZE */ 00638 #ifndef DNS_USES_STATIC_BUF 00639 #define DNS_USES_STATIC_BUF 1 00640 #endif 00641 00642 /** DNS message max. size. Default value is RFC compliant. */ 00643 #ifndef DNS_MSG_SIZE 00644 #define DNS_MSG_SIZE 512 00645 #endif 00646 00647 /** DNS_LOCAL_HOSTLIST: Implements a local host-to-address list. If enabled, 00648 * you have to define 00649 * #define DNS_LOCAL_HOSTLIST_INIT {{"host1", 0x123}, {"host2", 0x234}} 00650 * (an array of structs name/address, where address is an u32_t in network 00651 * byte order). 00652 */ 00653 #ifndef DNS_LOCAL_HOSTLIST 00654 #define DNS_LOCAL_HOSTLIST 0 00655 #endif /* DNS_LOCAL_HOSTLIST */ 00656 00657 /** If this is turned on, the local host-list can be dynamically changed 00658 * at runtime. */ 00659 #ifndef DNS_LOCAL_HOSTLIST_IS_DYNAMIC 00660 #define DNS_LOCAL_HOSTLIST_IS_DYNAMIC 0 00661 #endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */ 00662 00663 /* 00664 --------------------------------- 00665 ---------- UDP options ---------- 00666 --------------------------------- 00667 */ 00668 /** 00669 * LWIP_UDP==1: Turn on UDP. 00670 */ 00671 #ifndef LWIP_UDP 00672 #define LWIP_UDP 1 00673 #endif 00674 00675 /** 00676 * LWIP_UDPLITE==1: Turn on UDP-Lite. (Requires LWIP_UDP) 00677 */ 00678 #ifndef LWIP_UDPLITE 00679 #define LWIP_UDPLITE 0 00680 #endif 00681 00682 /** 00683 * UDP_TTL: Default Time-To-Live value. 00684 */ 00685 #ifndef UDP_TTL 00686 #define UDP_TTL (IP_DEFAULT_TTL) 00687 #endif 00688 00689 /* 00690 --------------------------------- 00691 ---------- TCP options ---------- 00692 --------------------------------- 00693 */ 00694 /** 00695 * LWIP_TCP==1: Turn on TCP. 00696 */ 00697 #ifndef LWIP_TCP 00698 #define LWIP_TCP 1 00699 #endif 00700 00701 /** 00702 * TCP_TTL: Default Time-To-Live value. 00703 */ 00704 #ifndef TCP_TTL 00705 #define TCP_TTL (IP_DEFAULT_TTL) 00706 #endif 00707 00708 /** 00709 * TCP_WND: The size of a TCP window. This must be at least 00710 * (2 * TCP_MSS) for things to work well 00711 */ 00712 #ifndef TCP_WND 00713 #define TCP_WND 2048 00714 #endif 00715 00716 /** 00717 * TCP_MAXRTX: Maximum number of retransmissions of data segments. 00718 */ 00719 #ifndef TCP_MAXRTX 00720 #define TCP_MAXRTX 12 00721 #endif 00722 00723 /** 00724 * TCP_SYNMAXRTX: Maximum number of retransmissions of SYN segments. 00725 */ 00726 #ifndef TCP_SYNMAXRTX 00727 #define TCP_SYNMAXRTX 6 00728 #endif 00729 00730 /** 00731 * TCP_QUEUE_OOSEQ==1: TCP will queue segments that arrive out of order. 00732 * Define to 0 if your device is low on memory. 00733 */ 00734 #ifndef TCP_QUEUE_OOSEQ 00735 #define TCP_QUEUE_OOSEQ (LWIP_TCP) 00736 #endif 00737 00738 /** 00739 * TCP_MSS: TCP Maximum segment size. (default is 128, a *very* 00740 * conservative default.) 00741 * For the receive side, this MSS is advertised to the remote side 00742 * when opening a connection. For the transmit size, this MSS sets 00743 * an upper limit on the MSS advertised by the remote host. 00744 */ 00745 #ifndef TCP_MSS 00746 #define TCP_MSS 128 00747 #endif 00748 00749 /** 00750 * TCP_CALCULATE_EFF_SEND_MSS: "The maximum size of a segment that TCP really 00751 * sends, the 'effective send MSS,' MUST be the smaller of the send MSS (which 00752 * reflects the available reassembly buffer size at the remote host) and the 00753 * largest size permitted by the IP layer" (RFC 1122) 00754 * Setting this to 1 enables code that checks TCP_MSS against the MTU of the 00755 * netif used for a connection and limits the MSS if it would be too big otherwise. 00756 */ 00757 #ifndef TCP_CALCULATE_EFF_SEND_MSS 00758 #define TCP_CALCULATE_EFF_SEND_MSS 1 00759 #endif 00760 00761 00762 /** 00763 * TCP_SND_BUF: TCP sender buffer space (bytes). 00764 */ 00765 #ifndef TCP_SND_BUF 00766 #define TCP_SND_BUF 256 00767 #endif 00768 00769 /** 00770 * TCP_SND_QUEUELEN: TCP sender buffer space (pbufs). This must be at least 00771 * as much as (2 * TCP_SND_BUF/TCP_MSS) for things to work. 00772 */ 00773 #ifndef TCP_SND_QUEUELEN 00774 #define TCP_SND_QUEUELEN (4 * (TCP_SND_BUF/TCP_MSS)) 00775 #endif 00776 00777 /** 00778 * TCP_SNDLOWAT: TCP writable space (bytes). This must be less than or equal 00779 * to TCP_SND_BUF. It is the amount of space which must be available in the 00780 * TCP snd_buf for select to return writable. 00781 */ 00782 #ifndef TCP_SNDLOWAT 00783 #define TCP_SNDLOWAT (TCP_SND_BUF/2) 00784 #endif 00785 00786 /** 00787 * TCP_LISTEN_BACKLOG: Enable the backlog option for tcp listen pcb. 00788 */ 00789 #ifndef TCP_LISTEN_BACKLOG 00790 #define TCP_LISTEN_BACKLOG 0 00791 #endif 00792 00793 /** 00794 * The maximum allowed backlog for TCP listen netconns. 00795 * This backlog is used unless another is explicitly specified. 00796 * 0xff is the maximum (u8_t). 00797 */ 00798 #ifndef TCP_DEFAULT_LISTEN_BACKLOG 00799 #define TCP_DEFAULT_LISTEN_BACKLOG 0xff 00800 #endif 00801 00802 /** 00803 * LWIP_TCP_TIMESTAMPS==1: support the TCP timestamp option. 00804 */ 00805 #ifndef LWIP_TCP_TIMESTAMPS 00806 #define LWIP_TCP_TIMESTAMPS 0 00807 #endif 00808 00809 /** 00810 * TCP_WND_UPDATE_THRESHOLD: difference in window to trigger an 00811 * explicit window update 00812 */ 00813 #ifndef TCP_WND_UPDATE_THRESHOLD 00814 #define TCP_WND_UPDATE_THRESHOLD (TCP_WND / 4) 00815 #endif 00816 00817 /** 00818 * LWIP_EVENT_API and LWIP_CALLBACK_API: Only one of these should be set to 1. 00819 * LWIP_EVENT_API==1: The user defines lwip_tcp_event() to receive all 00820 * events (accept, sent, etc) that happen in the system. 00821 * LWIP_CALLBACK_API==1: The PCB callback function is called directly 00822 * for the event. 00823 */ 00824 #ifndef LWIP_EVENT_API 00825 #define LWIP_EVENT_API 0 00826 #define LWIP_CALLBACK_API 1 00827 #else 00828 #define LWIP_EVENT_API 1 00829 #define LWIP_CALLBACK_API 0 00830 #endif 00831 00832 00833 /* 00834 ---------------------------------- 00835 ---------- Pbuf options ---------- 00836 ---------------------------------- 00837 */ 00838 /** 00839 * PBUF_LINK_HLEN: the number of bytes that should be allocated for a 00840 * link level header. The default is 14, the standard value for 00841 * Ethernet. 00842 */ 00843 #ifndef PBUF_LINK_HLEN 00844 #define PBUF_LINK_HLEN 14 00845 #endif 00846 00847 /** 00848 * PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. The default is 00849 * designed to accomodate single full size TCP frame in one pbuf, including 00850 * TCP_MSS, IP header, and link header. 00851 */ 00852 #ifndef PBUF_POOL_BUFSIZE 00853 #define PBUF_POOL_BUFSIZE LWIP_MEM_ALIGN_SIZE(TCP_MSS+40+PBUF_LINK_HLEN) 00854 #endif 00855 00856 /* 00857 ------------------------------------------------ 00858 ---------- Network Interfaces options ---------- 00859 ------------------------------------------------ 00860 */ 00861 /** 00862 * LWIP_NETIF_HOSTNAME==1: use DHCP_OPTION_HOSTNAME with netif's hostname 00863 * field. 00864 */ 00865 #ifndef LWIP_NETIF_HOSTNAME 00866 #define LWIP_NETIF_HOSTNAME 0 00867 #endif 00868 00869 /** 00870 * LWIP_NETIF_API==1: Support netif api (in netifapi.c) 00871 */ 00872 #ifndef LWIP_NETIF_API 00873 #define LWIP_NETIF_API 0 00874 #endif 00875 00876 /** 00877 * LWIP_NETIF_STATUS_CALLBACK==1: Support a callback function whenever an interface 00878 * changes its up/down status (i.e., due to DHCP IP acquistion) 00879 */ 00880 #ifndef LWIP_NETIF_STATUS_CALLBACK 00881 #define LWIP_NETIF_STATUS_CALLBACK 0 00882 #endif 00883 00884 /** 00885 * LWIP_NETIF_LINK_CALLBACK==1: Support a callback function from an interface 00886 * whenever the link changes (i.e., link down) 00887 */ 00888 #ifndef LWIP_NETIF_LINK_CALLBACK 00889 #define LWIP_NETIF_LINK_CALLBACK 0 00890 #endif 00891 00892 /** 00893 * LWIP_NETIF_HWADDRHINT==1: Cache link-layer-address hints (e.g. table 00894 * indices) in struct netif. TCP and UDP can make use of this to prevent 00895 * scanning the ARP table for every sent packet. While this is faster for big 00896 * ARP tables or many concurrent connections, it might be counterproductive 00897 * if you have a tiny ARP table or if there never are concurrent connections. 00898 */ 00899 #ifndef LWIP_NETIF_HWADDRHINT 00900 #define LWIP_NETIF_HWADDRHINT 0 00901 #endif 00902 00903 /** 00904 * LWIP_NETIF_LOOPBACK==1: Support sending packets with a destination IP 00905 * address equal to the netif IP address, looping them back up the stack. 00906 */ 00907 #ifndef LWIP_NETIF_LOOPBACK 00908 #define LWIP_NETIF_LOOPBACK 0 00909 #endif 00910 00911 /** 00912 * LWIP_LOOPBACK_MAX_PBUFS: Maximum number of pbufs on queue for loopback 00913 * sending for each netif (0 = disabled) 00914 */ 00915 #ifndef LWIP_LOOPBACK_MAX_PBUFS 00916 #define LWIP_LOOPBACK_MAX_PBUFS 0 00917 #endif 00918 00919 /** 00920 * LWIP_NETIF_LOOPBACK_MULTITHREADING: Indicates whether threading is enabled in 00921 * the system, as netifs must change how they behave depending on this setting 00922 * for the LWIP_NETIF_LOOPBACK option to work. 00923 * Setting this is needed to avoid reentering non-reentrant functions like 00924 * tcp_input(). 00925 * LWIP_NETIF_LOOPBACK_MULTITHREADING==1: Indicates that the user is using a 00926 * multithreaded environment like tcpip.c. In this case, netif->input() 00927 * is called directly. 00928 * LWIP_NETIF_LOOPBACK_MULTITHREADING==0: Indicates a polling (or NO_SYS) setup. 00929 * The packets are put on a list and netif_poll() must be called in 00930 * the main application loop. 00931 */ 00932 #ifndef LWIP_NETIF_LOOPBACK_MULTITHREADING 00933 #define LWIP_NETIF_LOOPBACK_MULTITHREADING (!NO_SYS) 00934 #endif 00935 00936 /* 00937 ------------------------------------ 00938 ---------- LOOPIF options ---------- 00939 ------------------------------------ 00940 */ 00941 /** 00942 * LWIP_HAVE_LOOPIF==1: Support loop interface (127.0.0.1) and loopif.c 00943 */ 00944 #ifndef LWIP_HAVE_LOOPIF 00945 #define LWIP_HAVE_LOOPIF 0 00946 #endif 00947 00948 /* 00949 ------------------------------------ 00950 ---------- SLIPIF options ---------- 00951 ------------------------------------ 00952 */ 00953 /** 00954 * LWIP_HAVE_SLIPIF==1: Support slip interface and slipif.c 00955 */ 00956 #ifndef LWIP_HAVE_SLIPIF 00957 #define LWIP_HAVE_SLIPIF 0 00958 #endif 00959 00960 /* 00961 ------------------------------------ 00962 ---------- Thread options ---------- 00963 ------------------------------------ 00964 */ 00965 /** 00966 * TCPIP_THREAD_NAME: The name assigned to the main tcpip thread. 00967 */ 00968 #ifndef TCPIP_THREAD_NAME 00969 #define TCPIP_THREAD_NAME "tcpip_thread" 00970 #endif 00971 00972 /** 00973 * TCPIP_THREAD_STACKSIZE: The stack size used by the main tcpip thread. 00974 * The stack size value itself is platform-dependent, but is passed to 00975 * sys_thread_new() when the thread is created. 00976 */ 00977 #ifndef TCPIP_THREAD_STACKSIZE 00978 #define TCPIP_THREAD_STACKSIZE 0 00979 #endif 00980 00981 /** 00982 * TCPIP_THREAD_PRIO: The priority assigned to the main tcpip thread. 00983 * The priority value itself is platform-dependent, but is passed to 00984 * sys_thread_new() when the thread is created. 00985 */ 00986 #ifndef TCPIP_THREAD_PRIO 00987 #define TCPIP_THREAD_PRIO 1 00988 #endif 00989 00990 /** 00991 * TCPIP_MBOX_SIZE: The mailbox size for the tcpip thread messages 00992 * The queue size value itself is platform-dependent, but is passed to 00993 * sys_mbox_new() when tcpip_init is called. 00994 */ 00995 #ifndef TCPIP_MBOX_SIZE 00996 #define TCPIP_MBOX_SIZE 0 00997 #endif 00998 00999 /** 01000 * SLIPIF_THREAD_NAME: The name assigned to the slipif_loop thread. 01001 */ 01002 #ifndef SLIPIF_THREAD_NAME 01003 #define SLIPIF_THREAD_NAME "slipif_loop" 01004 #endif 01005 01006 /** 01007 * SLIP_THREAD_STACKSIZE: The stack size used by the slipif_loop thread. 01008 * The stack size value itself is platform-dependent, but is passed to 01009 * sys_thread_new() when the thread is created. 01010 */ 01011 #ifndef SLIPIF_THREAD_STACKSIZE 01012 #define SLIPIF_THREAD_STACKSIZE 0 01013 #endif 01014 01015 /** 01016 * SLIPIF_THREAD_PRIO: The priority assigned to the slipif_loop thread. 01017 * The priority value itself is platform-dependent, but is passed to 01018 * sys_thread_new() when the thread is created. 01019 */ 01020 #ifndef SLIPIF_THREAD_PRIO 01021 #define SLIPIF_THREAD_PRIO 1 01022 #endif 01023 01024 /** 01025 * PPP_THREAD_NAME: The name assigned to the pppMain thread. 01026 */ 01027 #ifndef PPP_THREAD_NAME 01028 #define PPP_THREAD_NAME "pppMain" 01029 #endif 01030 01031 /** 01032 * PPP_THREAD_STACKSIZE: The stack size used by the pppMain thread. 01033 * The stack size value itself is platform-dependent, but is passed to 01034 * sys_thread_new() when the thread is created. 01035 */ 01036 #ifndef PPP_THREAD_STACKSIZE 01037 #define PPP_THREAD_STACKSIZE 0 01038 #endif 01039 01040 /** 01041 * PPP_THREAD_PRIO: The priority assigned to the pppMain thread. 01042 * The priority value itself is platform-dependent, but is passed to 01043 * sys_thread_new() when the thread is created. 01044 */ 01045 #ifndef PPP_THREAD_PRIO 01046 #define PPP_THREAD_PRIO 1 01047 #endif 01048 01049 /** 01050 * DEFAULT_THREAD_NAME: The name assigned to any other lwIP thread. 01051 */ 01052 #ifndef DEFAULT_THREAD_NAME 01053 #define DEFAULT_THREAD_NAME "lwIP" 01054 #endif 01055 01056 /** 01057 * DEFAULT_THREAD_STACKSIZE: The stack size used by any other lwIP thread. 01058 * The stack size value itself is platform-dependent, but is passed to 01059 * sys_thread_new() when the thread is created. 01060 */ 01061 #ifndef DEFAULT_THREAD_STACKSIZE 01062 #define DEFAULT_THREAD_STACKSIZE 0 01063 #endif 01064 01065 /** 01066 * DEFAULT_THREAD_PRIO: The priority assigned to any other lwIP thread. 01067 * The priority value itself is platform-dependent, but is passed to 01068 * sys_thread_new() when the thread is created. 01069 */ 01070 #ifndef DEFAULT_THREAD_PRIO 01071 #define DEFAULT_THREAD_PRIO 1 01072 #endif 01073 01074 /** 01075 * DEFAULT_RAW_RECVMBOX_SIZE: The mailbox size for the incoming packets on a 01076 * NETCONN_RAW. The queue size value itself is platform-dependent, but is passed 01077 * to sys_mbox_new() when the recvmbox is created. 01078 */ 01079 #ifndef DEFAULT_RAW_RECVMBOX_SIZE 01080 #define DEFAULT_RAW_RECVMBOX_SIZE 0 01081 #endif 01082 01083 /** 01084 * DEFAULT_UDP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a 01085 * NETCONN_UDP. The queue size value itself is platform-dependent, but is passed 01086 * to sys_mbox_new() when the recvmbox is created. 01087 */ 01088 #ifndef DEFAULT_UDP_RECVMBOX_SIZE 01089 #define DEFAULT_UDP_RECVMBOX_SIZE 0 01090 #endif 01091 01092 /** 01093 * DEFAULT_TCP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a 01094 * NETCONN_TCP. The queue size value itself is platform-dependent, but is passed 01095 * to sys_mbox_new() when the recvmbox is created. 01096 */ 01097 #ifndef DEFAULT_TCP_RECVMBOX_SIZE 01098 #define DEFAULT_TCP_RECVMBOX_SIZE 0 01099 #endif 01100 01101 /** 01102 * DEFAULT_ACCEPTMBOX_SIZE: The mailbox size for the incoming connections. 01103 * The queue size value itself is platform-dependent, but is passed to 01104 * sys_mbox_new() when the acceptmbox is created. 01105 */ 01106 #ifndef DEFAULT_ACCEPTMBOX_SIZE 01107 #define DEFAULT_ACCEPTMBOX_SIZE 0 01108 #endif 01109 01110 /* 01111 ---------------------------------------------- 01112 ---------- Sequential layer options ---------- 01113 ---------------------------------------------- 01114 */ 01115 /** 01116 * LWIP_TCPIP_CORE_LOCKING: (EXPERIMENTAL!) 01117 * Don't use it if you're not an active lwIP project member 01118 */ 01119 #ifndef LWIP_TCPIP_CORE_LOCKING 01120 #define LWIP_TCPIP_CORE_LOCKING 0 01121 #endif 01122 01123 /** 01124 * LWIP_NETCONN==1: Enable Netconn API (require to use api_lib.c) 01125 */ 01126 #ifndef LWIP_NETCONN 01127 #define LWIP_NETCONN 1 01128 #endif 01129 01130 /* 01131 ------------------------------------ 01132 ---------- Socket options ---------- 01133 ------------------------------------ 01134 */ 01135 /** 01136 * LWIP_SOCKET==1: Enable Socket API (require to use sockets.c) 01137 */ 01138 #ifndef LWIP_SOCKET 01139 #define LWIP_SOCKET 1 01140 #endif 01141 01142 /** 01143 * LWIP_COMPAT_SOCKETS==1: Enable BSD-style sockets functions names. 01144 * (only used if you use sockets.c) 01145 */ 01146 #ifndef LWIP_COMPAT_SOCKETS 01147 #define LWIP_COMPAT_SOCKETS 1 01148 #endif 01149 01150 /** 01151 * LWIP_POSIX_SOCKETS_IO_NAMES==1: Enable POSIX-style sockets functions names. 01152 * Disable this option if you use a POSIX operating system that uses the same 01153 * names (read, write & close). (only used if you use sockets.c) 01154 */ 01155 #ifndef LWIP_POSIX_SOCKETS_IO_NAMES 01156 #define LWIP_POSIX_SOCKETS_IO_NAMES 1 01157 #endif 01158 01159 /** 01160 * LWIP_TCP_KEEPALIVE==1: Enable TCP_KEEPIDLE, TCP_KEEPINTVL and TCP_KEEPCNT 01161 * options processing. Note that TCP_KEEPIDLE and TCP_KEEPINTVL have to be set 01162 * in seconds. (does not require sockets.c, and will affect tcp.c) 01163 */ 01164 #ifndef LWIP_TCP_KEEPALIVE 01165 #define LWIP_TCP_KEEPALIVE 0 01166 #endif 01167 01168 /** 01169 * LWIP_SO_RCVTIMEO==1: Enable SO_RCVTIMEO processing. 01170 */ 01171 #ifndef LWIP_SO_RCVTIMEO 01172 #define LWIP_SO_RCVTIMEO 0 01173 #endif 01174 01175 /** 01176 * LWIP_SO_RCVBUF==1: Enable SO_RCVBUF processing. 01177 */ 01178 #ifndef LWIP_SO_RCVBUF 01179 #define LWIP_SO_RCVBUF 0 01180 #endif 01181 01182 /** 01183 * If LWIP_SO_RCVBUF is used, this is the default value for recv_bufsize. 01184 */ 01185 #ifndef RECV_BUFSIZE_DEFAULT 01186 #define RECV_BUFSIZE_DEFAULT INT_MAX 01187 #endif 01188 01189 /** 01190 * SO_REUSE==1: Enable SO_REUSEADDR and SO_REUSEPORT options. DO NOT USE! 01191 */ 01192 #ifndef SO_REUSE 01193 #define SO_REUSE 0 01194 #endif 01195 01196 /* 01197 ---------------------------------------- 01198 ---------- Statistics options ---------- 01199 ---------------------------------------- 01200 */ 01201 /** 01202 * LWIP_STATS==1: Enable statistics collection in lwip_stats. 01203 */ 01204 #ifndef LWIP_STATS 01205 #define LWIP_STATS 1 01206 #endif 01207 01208 #if LWIP_STATS 01209 01210 /** 01211 * LWIP_STATS_DISPLAY==1: Compile in the statistics output functions. 01212 */ 01213 #ifndef LWIP_STATS_DISPLAY 01214 #define LWIP_STATS_DISPLAY 0 01215 #endif 01216 01217 /** 01218 * LINK_STATS==1: Enable link stats. 01219 */ 01220 #ifndef LINK_STATS 01221 #define LINK_STATS 1 01222 #endif 01223 01224 /** 01225 * ETHARP_STATS==1: Enable etharp stats. 01226 */ 01227 #ifndef ETHARP_STATS 01228 #define ETHARP_STATS (LWIP_ARP) 01229 #endif 01230 01231 /** 01232 * IP_STATS==1: Enable IP stats. 01233 */ 01234 #ifndef IP_STATS 01235 #define IP_STATS 1 01236 #endif 01237 01238 /** 01239 * IPFRAG_STATS==1: Enable IP fragmentation stats. Default is 01240 * on if using either frag or reass. 01241 */ 01242 #ifndef IPFRAG_STATS 01243 #define IPFRAG_STATS (IP_REASSEMBLY || IP_FRAG) 01244 #endif 01245 01246 /** 01247 * ICMP_STATS==1: Enable ICMP stats. 01248 */ 01249 #ifndef ICMP_STATS 01250 #define ICMP_STATS 1 01251 #endif 01252 01253 /** 01254 * IGMP_STATS==1: Enable IGMP stats. 01255 */ 01256 #ifndef IGMP_STATS 01257 #define IGMP_STATS (LWIP_IGMP) 01258 #endif 01259 01260 /** 01261 * UDP_STATS==1: Enable UDP stats. Default is on if 01262 * UDP enabled, otherwise off. 01263 */ 01264 #ifndef UDP_STATS 01265 #define UDP_STATS (LWIP_UDP) 01266 #endif 01267 01268 /** 01269 * TCP_STATS==1: Enable TCP stats. Default is on if TCP 01270 * enabled, otherwise off. 01271 */ 01272 #ifndef TCP_STATS 01273 #define TCP_STATS (LWIP_TCP) 01274 #endif 01275 01276 /** 01277 * MEM_STATS==1: Enable mem.c stats. 01278 */ 01279 #ifndef MEM_STATS 01280 #define MEM_STATS 1 01281 #endif 01282 01283 /** 01284 * MEMP_STATS==1: Enable memp.c pool stats. 01285 */ 01286 #ifndef MEMP_STATS 01287 #define MEMP_STATS 1 01288 #endif 01289 01290 /** 01291 * SYS_STATS==1: Enable system stats (sem and mbox counts, etc). 01292 */ 01293 #ifndef SYS_STATS 01294 #define SYS_STATS 1 01295 #endif 01296 01297 #else 01298 01299 #define LINK_STATS 0 01300 #define IP_STATS 0 01301 #define IPFRAG_STATS 0 01302 #define ICMP_STATS 0 01303 #define IGMP_STATS 0 01304 #define UDP_STATS 0 01305 #define TCP_STATS 0 01306 #define MEM_STATS 0 01307 #define MEMP_STATS 0 01308 #define SYS_STATS 0 01309 #define LWIP_STATS_DISPLAY 0 01310 01311 #endif /* LWIP_STATS */ 01312 01313 /* 01314 --------------------------------- 01315 ---------- PPP options ---------- 01316 --------------------------------- 01317 */ 01318 /** 01319 * PPP_SUPPORT==1: Enable PPP. 01320 */ 01321 #ifndef PPP_SUPPORT 01322 #define PPP_SUPPORT 0 01323 #endif 01324 01325 /** 01326 * PPPOE_SUPPORT==1: Enable PPP Over Ethernet 01327 */ 01328 #ifndef PPPOE_SUPPORT 01329 #define PPPOE_SUPPORT 0 01330 #endif 01331 01332 /** 01333 * PPPOS_SUPPORT==1: Enable PPP Over Serial 01334 */ 01335 #ifndef PPPOS_SUPPORT 01336 #define PPPOS_SUPPORT PPP_SUPPORT 01337 #endif 01338 01339 #if PPP_SUPPORT 01340 01341 /** 01342 * NUM_PPP: Max PPP sessions. 01343 */ 01344 #ifndef NUM_PPP 01345 #define NUM_PPP 1 01346 #endif 01347 01348 /** 01349 * PAP_SUPPORT==1: Support PAP. 01350 */ 01351 #ifndef PAP_SUPPORT 01352 #define PAP_SUPPORT 0 01353 #endif 01354 01355 /** 01356 * CHAP_SUPPORT==1: Support CHAP. 01357 */ 01358 #ifndef CHAP_SUPPORT 01359 #define CHAP_SUPPORT 0 01360 #endif 01361 01362 /** 01363 * MSCHAP_SUPPORT==1: Support MSCHAP. CURRENTLY NOT SUPPORTED! DO NOT SET! 01364 */ 01365 #ifndef MSCHAP_SUPPORT 01366 #define MSCHAP_SUPPORT 0 01367 #endif 01368 01369 /** 01370 * CBCP_SUPPORT==1: Support CBCP. CURRENTLY NOT SUPPORTED! DO NOT SET! 01371 */ 01372 #ifndef CBCP_SUPPORT 01373 #define CBCP_SUPPORT 0 01374 #endif 01375 01376 /** 01377 * CCP_SUPPORT==1: Support CCP. CURRENTLY NOT SUPPORTED! DO NOT SET! 01378 */ 01379 #ifndef CCP_SUPPORT 01380 #define CCP_SUPPORT 0 01381 #endif 01382 01383 /** 01384 * VJ_SUPPORT==1: Support VJ header compression. 01385 */ 01386 #ifndef VJ_SUPPORT 01387 #define VJ_SUPPORT 0 01388 #endif 01389 01390 /** 01391 * MD5_SUPPORT==1: Support MD5 (see also CHAP). 01392 */ 01393 #ifndef MD5_SUPPORT 01394 #define MD5_SUPPORT 0 01395 #endif 01396 01397 /* 01398 * Timeouts 01399 */ 01400 #ifndef FSM_DEFTIMEOUT 01401 #define FSM_DEFTIMEOUT 6 /* Timeout time in seconds */ 01402 #endif 01403 01404 #ifndef FSM_DEFMAXTERMREQS 01405 #define FSM_DEFMAXTERMREQS 2 /* Maximum Terminate-Request transmissions */ 01406 #endif 01407 01408 #ifndef FSM_DEFMAXCONFREQS 01409 #define FSM_DEFMAXCONFREQS 10 /* Maximum Configure-Request transmissions */ 01410 #endif 01411 01412 #ifndef FSM_DEFMAXNAKLOOPS 01413 #define FSM_DEFMAXNAKLOOPS 5 /* Maximum number of nak loops */ 01414 #endif 01415 01416 #ifndef UPAP_DEFTIMEOUT 01417 #define UPAP_DEFTIMEOUT 6 /* Timeout (seconds) for retransmitting req */ 01418 #endif 01419 01420 #ifndef UPAP_DEFREQTIME 01421 #define UPAP_DEFREQTIME 30 /* Time to wait for auth-req from peer */ 01422 #endif 01423 01424 #ifndef CHAP_DEFTIMEOUT 01425 #define CHAP_DEFTIMEOUT 6 /* Timeout time in seconds */ 01426 #endif 01427 01428 #ifndef CHAP_DEFTRANSMITS 01429 #define CHAP_DEFTRANSMITS 10 /* max # times to send challenge */ 01430 #endif 01431 01432 /* Interval in seconds between keepalive echo requests, 0 to disable. */ 01433 #ifndef LCP_ECHOINTERVAL 01434 #define LCP_ECHOINTERVAL 0 01435 #endif 01436 01437 /* Number of unanswered echo requests before failure. */ 01438 #ifndef LCP_MAXECHOFAILS 01439 #define LCP_MAXECHOFAILS 3 01440 #endif 01441 01442 /* Max Xmit idle time (in jiffies) before resend flag char. */ 01443 #ifndef PPP_MAXIDLEFLAG 01444 #define PPP_MAXIDLEFLAG 100 01445 #endif 01446 01447 /* 01448 * Packet sizes 01449 * 01450 * Note - lcp shouldn't be allowed to negotiate stuff outside these 01451 * limits. See lcp.h in the pppd directory. 01452 * (XXX - these constants should simply be shared by lcp.c instead 01453 * of living in lcp.h) 01454 */ 01455 #define PPP_MTU 1500 /* Default MTU (size of Info field) */ 01456 #ifndef PPP_MAXMTU 01457 /* #define PPP_MAXMTU 65535 - (PPP_HDRLEN + PPP_FCSLEN) */ 01458 #define PPP_MAXMTU 1500 /* Largest MTU we allow */ 01459 #endif 01460 #define PPP_MINMTU 64 01461 #define PPP_MRU 1500 /* default MRU = max length of info field */ 01462 #define PPP_MAXMRU 1500 /* Largest MRU we allow */ 01463 #ifndef PPP_DEFMRU 01464 #define PPP_DEFMRU 296 /* Try for this */ 01465 #endif 01466 #define PPP_MINMRU 128 /* No MRUs below this */ 01467 01468 01469 #define MAXNAMELEN 256 /* max length of hostname or name for auth */ 01470 #define MAXSECRETLEN 256 /* max length of password or secret */ 01471 01472 #endif /* PPP_SUPPORT */ 01473 01474 /* 01475 -------------------------------------- 01476 ---------- Checksum options ---------- 01477 -------------------------------------- 01478 */ 01479 /** 01480 * CHECKSUM_GEN_IP==1: Generate checksums in software for outgoing IP packets. 01481 */ 01482 #ifndef CHECKSUM_GEN_IP 01483 #define CHECKSUM_GEN_IP 1 01484 #endif 01485 01486 /** 01487 * CHECKSUM_GEN_UDP==1: Generate checksums in software for outgoing UDP packets. 01488 */ 01489 #ifndef CHECKSUM_GEN_UDP 01490 #define CHECKSUM_GEN_UDP 1 01491 #endif 01492 01493 /** 01494 * CHECKSUM_GEN_TCP==1: Generate checksums in software for outgoing TCP packets. 01495 */ 01496 #ifndef CHECKSUM_GEN_TCP 01497 #define CHECKSUM_GEN_TCP 1 01498 #endif 01499 01500 /** 01501 * CHECKSUM_CHECK_IP==1: Check checksums in software for incoming IP packets. 01502 */ 01503 #ifndef CHECKSUM_CHECK_IP 01504 #define CHECKSUM_CHECK_IP 1 01505 #endif 01506 01507 /** 01508 * CHECKSUM_CHECK_UDP==1: Check checksums in software for incoming UDP packets. 01509 */ 01510 #ifndef CHECKSUM_CHECK_UDP 01511 #define CHECKSUM_CHECK_UDP 1 01512 #endif 01513 01514 /** 01515 * CHECKSUM_CHECK_TCP==1: Check checksums in software for incoming TCP packets. 01516 */ 01517 #ifndef CHECKSUM_CHECK_TCP 01518 #define CHECKSUM_CHECK_TCP 1 01519 #endif 01520 01521 /* 01522 --------------------------------------- 01523 ---------- Debugging options ---------- 01524 --------------------------------------- 01525 */ 01526 /** 01527 * LWIP_DBG_MIN_LEVEL: After masking, the value of the debug is 01528 * compared against this value. If it is smaller, then debugging 01529 * messages are written. 01530 */ 01531 #ifndef LWIP_DBG_MIN_LEVEL 01532 #define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_OFF 01533 #endif 01534 01535 /** 01536 * LWIP_DBG_TYPES_ON: A mask that can be used to globally enable/disable 01537 * debug messages of certain types. 01538 */ 01539 #ifndef LWIP_DBG_TYPES_ON 01540 #define LWIP_DBG_TYPES_ON LWIP_DBG_ON 01541 #endif 01542 01543 /** 01544 * ETHARP_DEBUG: Enable debugging in etharp.c. 01545 */ 01546 #ifndef ETHARP_DEBUG 01547 #define ETHARP_DEBUG LWIP_DBG_OFF 01548 #endif 01549 01550 /** 01551 * NETIF_DEBUG: Enable debugging in netif.c. 01552 */ 01553 #ifndef NETIF_DEBUG 01554 #define NETIF_DEBUG LWIP_DBG_OFF 01555 #endif 01556 01557 /** 01558 * PBUF_DEBUG: Enable debugging in pbuf.c. 01559 */ 01560 #ifndef PBUF_DEBUG 01561 #define PBUF_DEBUG LWIP_DBG_OFF 01562 #endif 01563 01564 /** 01565 * API_LIB_DEBUG: Enable debugging in api_lib.c. 01566 */ 01567 #ifndef API_LIB_DEBUG 01568 #define API_LIB_DEBUG LWIP_DBG_OFF 01569 #endif 01570 01571 /** 01572 * API_MSG_DEBUG: Enable debugging in api_msg.c. 01573 */ 01574 #ifndef API_MSG_DEBUG 01575 #define API_MSG_DEBUG LWIP_DBG_OFF 01576 #endif 01577 01578 /** 01579 * SOCKETS_DEBUG: Enable debugging in sockets.c. 01580 */ 01581 #ifndef SOCKETS_DEBUG 01582 #define SOCKETS_DEBUG LWIP_DBG_OFF 01583 #endif 01584 01585 /** 01586 * ICMP_DEBUG: Enable debugging in icmp.c. 01587 */ 01588 #ifndef ICMP_DEBUG 01589 #define ICMP_DEBUG LWIP_DBG_OFF 01590 #endif 01591 01592 /** 01593 * IGMP_DEBUG: Enable debugging in igmp.c. 01594 */ 01595 #ifndef IGMP_DEBUG 01596 #define IGMP_DEBUG LWIP_DBG_OFF 01597 #endif 01598 01599 /** 01600 * INET_DEBUG: Enable debugging in inet.c. 01601 */ 01602 #ifndef INET_DEBUG 01603 #define INET_DEBUG LWIP_DBG_OFF 01604 #endif 01605 01606 /** 01607 * IP_DEBUG: Enable debugging for IP. 01608 */ 01609 #ifndef IP_DEBUG 01610 #define IP_DEBUG LWIP_DBG_OFF 01611 #endif 01612 01613 /** 01614 * IP_REASS_DEBUG: Enable debugging in ip_frag.c for both frag & reass. 01615 */ 01616 #ifndef IP_REASS_DEBUG 01617 #define IP_REASS_DEBUG LWIP_DBG_OFF 01618 #endif 01619 01620 /** 01621 * RAW_DEBUG: Enable debugging in raw.c. 01622 */ 01623 #ifndef RAW_DEBUG 01624 #define RAW_DEBUG LWIP_DBG_OFF 01625 #endif 01626 01627 /** 01628 * MEM_DEBUG: Enable debugging in mem.c. 01629 */ 01630 #ifndef MEM_DEBUG 01631 #define MEM_DEBUG LWIP_DBG_OFF 01632 #endif 01633 01634 /** 01635 * MEMP_DEBUG: Enable debugging in memp.c. 01636 */ 01637 #ifndef MEMP_DEBUG 01638 #define MEMP_DEBUG LWIP_DBG_OFF 01639 #endif 01640 01641 /** 01642 * SYS_DEBUG: Enable debugging in sys.c. 01643 */ 01644 #ifndef SYS_DEBUG 01645 #define SYS_DEBUG LWIP_DBG_OFF 01646 #endif 01647 01648 /** 01649 * TCP_DEBUG: Enable debugging for TCP. 01650 */ 01651 #ifndef TCP_DEBUG 01652 #define TCP_DEBUG LWIP_DBG_OFF 01653 #endif 01654 01655 /** 01656 * TCP_INPUT_DEBUG: Enable debugging in tcp_in.c for incoming debug. 01657 */ 01658 #ifndef TCP_INPUT_DEBUG 01659 #define TCP_INPUT_DEBUG LWIP_DBG_OFF 01660 #endif 01661 01662 /** 01663 * TCP_FR_DEBUG: Enable debugging in tcp_in.c for fast retransmit. 01664 */ 01665 #ifndef TCP_FR_DEBUG 01666 #define TCP_FR_DEBUG LWIP_DBG_OFF 01667 #endif 01668 01669 /** 01670 * TCP_RTO_DEBUG: Enable debugging in TCP for retransmit 01671 * timeout. 01672 */ 01673 #ifndef TCP_RTO_DEBUG 01674 #define TCP_RTO_DEBUG LWIP_DBG_OFF 01675 #endif 01676 01677 /** 01678 * TCP_CWND_DEBUG: Enable debugging for TCP congestion window. 01679 */ 01680 #ifndef TCP_CWND_DEBUG 01681 #define TCP_CWND_DEBUG LWIP_DBG_OFF 01682 #endif 01683 01684 /** 01685 * TCP_WND_DEBUG: Enable debugging in tcp_in.c for window updating. 01686 */ 01687 #ifndef TCP_WND_DEBUG 01688 #define TCP_WND_DEBUG LWIP_DBG_OFF 01689 #endif 01690 01691 /** 01692 * TCP_OUTPUT_DEBUG: Enable debugging in tcp_out.c output functions. 01693 */ 01694 #ifndef TCP_OUTPUT_DEBUG 01695 #define TCP_OUTPUT_DEBUG LWIP_DBG_OFF 01696 #endif 01697 01698 /** 01699 * TCP_RST_DEBUG: Enable debugging for TCP with the RST message. 01700 */ 01701 #ifndef TCP_RST_DEBUG 01702 #define TCP_RST_DEBUG LWIP_DBG_OFF 01703 #endif 01704 01705 /** 01706 * TCP_QLEN_DEBUG: Enable debugging for TCP queue lengths. 01707 */ 01708 #ifndef TCP_QLEN_DEBUG 01709 #define TCP_QLEN_DEBUG LWIP_DBG_OFF 01710 #endif 01711 01712 /** 01713 * UDP_DEBUG: Enable debugging in UDP. 01714 */ 01715 #ifndef UDP_DEBUG 01716 #define UDP_DEBUG LWIP_DBG_OFF 01717 #endif 01718 01719 /** 01720 * TCPIP_DEBUG: Enable debugging in tcpip.c. 01721 */ 01722 #ifndef TCPIP_DEBUG 01723 #define TCPIP_DEBUG LWIP_DBG_OFF 01724 #endif 01725 01726 /** 01727 * PPP_DEBUG: Enable debugging for PPP. 01728 */ 01729 #ifndef PPP_DEBUG 01730 #define PPP_DEBUG LWIP_DBG_OFF 01731 #endif 01732 01733 /** 01734 * SLIP_DEBUG: Enable debugging in slipif.c. 01735 */ 01736 #ifndef SLIP_DEBUG 01737 #define SLIP_DEBUG LWIP_DBG_OFF 01738 #endif 01739 01740 /** 01741 * DHCP_DEBUG: Enable debugging in dhcp.c. 01742 */ 01743 #ifndef DHCP_DEBUG 01744 #define DHCP_DEBUG LWIP_DBG_OFF 01745 #endif 01746 01747 /** 01748 * AUTOIP_DEBUG: Enable debugging in autoip.c. 01749 */ 01750 #ifndef AUTOIP_DEBUG 01751 #define AUTOIP_DEBUG LWIP_DBG_OFF 01752 #endif 01753 01754 /** 01755 * SNMP_MSG_DEBUG: Enable debugging for SNMP messages. 01756 */ 01757 #ifndef SNMP_MSG_DEBUG 01758 #define SNMP_MSG_DEBUG LWIP_DBG_OFF 01759 #endif 01760 01761 /** 01762 * SNMP_MIB_DEBUG: Enable debugging for SNMP MIBs. 01763 */ 01764 #ifndef SNMP_MIB_DEBUG 01765 #define SNMP_MIB_DEBUG LWIP_DBG_OFF 01766 #endif 01767 01768 /** 01769 * DNS_DEBUG: Enable debugging for DNS. 01770 */ 01771 #ifndef DNS_DEBUG 01772 #define DNS_DEBUG LWIP_DBG_OFF 01773 #endif 01774 01775 #endif /* __LWIP_OPT_H__ */
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