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 * ETHARP_SUPPORT_VLAN==1: support receiving ethernet packets with VLAN header. 00371 * Additionally, you can define ETHARP_VLAN_CHECK to an u16_t VLAN ID to check. 00372 * If ETHARP_VLAN_CHECK is defined, only VLAN-traffic for this VLAN is accepted. 00373 * If ETHARP_VLAN_CHECK is not defined, all traffic is accepted. 00374 */ 00375 #ifndef ETHARP_SUPPORT_VLAN 00376 #define ETHARP_SUPPORT_VLAN 0 00377 #endif 00378 00379 /* 00380 -------------------------------- 00381 ---------- IP options ---------- 00382 -------------------------------- 00383 */ 00384 /** 00385 * IP_FORWARD==1: Enables the ability to forward IP packets across network 00386 * interfaces. If you are going to run lwIP on a device with only one network 00387 * interface, define this to 0. 00388 */ 00389 #ifndef IP_FORWARD 00390 #define IP_FORWARD 0 00391 #endif 00392 00393 /** 00394 * IP_OPTIONS_ALLOWED: Defines the behavior for IP options. 00395 * IP_OPTIONS_ALLOWED==0: All packets with IP options are dropped. 00396 * IP_OPTIONS_ALLOWED==1: IP options are allowed (but not parsed). 00397 */ 00398 #ifndef IP_OPTIONS_ALLOWED 00399 #define IP_OPTIONS_ALLOWED 1 00400 #endif 00401 00402 /** 00403 * IP_REASSEMBLY==1: Reassemble incoming fragmented IP packets. Note that 00404 * this option does not affect outgoing packet sizes, which can be controlled 00405 * via IP_FRAG. 00406 */ 00407 #ifndef IP_REASSEMBLY 00408 #define IP_REASSEMBLY 1 00409 #endif 00410 00411 /** 00412 * IP_FRAG==1: Fragment outgoing IP packets if their size exceeds MTU. Note 00413 * that this option does not affect incoming packet sizes, which can be 00414 * controlled via IP_REASSEMBLY. 00415 */ 00416 #ifndef IP_FRAG 00417 #define IP_FRAG 1 00418 #endif 00419 00420 /** 00421 * IP_REASS_MAXAGE: Maximum time (in multiples of IP_TMR_INTERVAL - so seconds, normally) 00422 * a fragmented IP packet waits for all fragments to arrive. If not all fragments arrived 00423 * in this time, the whole packet is discarded. 00424 */ 00425 #ifndef IP_REASS_MAXAGE 00426 #define IP_REASS_MAXAGE 3 00427 #endif 00428 00429 /** 00430 * IP_REASS_MAX_PBUFS: Total maximum amount of pbufs waiting to be reassembled. 00431 * Since the received pbufs are enqueued, be sure to configure 00432 * PBUF_POOL_SIZE > IP_REASS_MAX_PBUFS so that the stack is still able to receive 00433 * packets even if the maximum amount of fragments is enqueued for reassembly! 00434 */ 00435 #ifndef IP_REASS_MAX_PBUFS 00436 #define IP_REASS_MAX_PBUFS 10 00437 #endif 00438 00439 /** 00440 * IP_FRAG_USES_STATIC_BUF==1: Use a static MTU-sized buffer for IP 00441 * fragmentation. Otherwise pbufs are allocated and reference the original 00442 * packet data to be fragmented. 00443 */ 00444 #ifndef IP_FRAG_USES_STATIC_BUF 00445 #define IP_FRAG_USES_STATIC_BUF 1 00446 #endif 00447 00448 /** 00449 * IP_FRAG_MAX_MTU: Assumed max MTU on any interface for IP frag buffer 00450 * (requires IP_FRAG_USES_STATIC_BUF==1) 00451 */ 00452 #if IP_FRAG_USES_STATIC_BUF && !defined(IP_FRAG_MAX_MTU) 00453 #define IP_FRAG_MAX_MTU 1500 00454 #endif 00455 00456 /** 00457 * IP_DEFAULT_TTL: Default value for Time-To-Live used by transport layers. 00458 */ 00459 #ifndef IP_DEFAULT_TTL 00460 #define IP_DEFAULT_TTL 255 00461 #endif 00462 00463 /** 00464 * IP_SOF_BROADCAST=1: Use the SOF_BROADCAST field to enable broadcast 00465 * filter per pcb on udp and raw send operations. To enable broadcast filter 00466 * on recv operations, you also have to set IP_SOF_BROADCAST_RECV=1. 00467 */ 00468 #ifndef IP_SOF_BROADCAST 00469 #define IP_SOF_BROADCAST 0 00470 #endif 00471 00472 /** 00473 * IP_SOF_BROADCAST_RECV (requires IP_SOF_BROADCAST=1) enable the broadcast 00474 * filter on recv operations. 00475 */ 00476 #ifndef IP_SOF_BROADCAST_RECV 00477 #define IP_SOF_BROADCAST_RECV 0 00478 #endif 00479 00480 /* 00481 ---------------------------------- 00482 ---------- ICMP options ---------- 00483 ---------------------------------- 00484 */ 00485 /** 00486 * LWIP_ICMP==1: Enable ICMP module inside the IP stack. 00487 * Be careful, disable that make your product non-compliant to RFC1122 00488 */ 00489 #ifndef LWIP_ICMP 00490 #define LWIP_ICMP 1 00491 #endif 00492 00493 /** 00494 * ICMP_TTL: Default value for Time-To-Live used by ICMP packets. 00495 */ 00496 #ifndef ICMP_TTL 00497 #define ICMP_TTL (IP_DEFAULT_TTL) 00498 #endif 00499 00500 /** 00501 * LWIP_BROADCAST_PING==1: respond to broadcast pings (default is unicast only) 00502 */ 00503 #ifndef LWIP_BROADCAST_PING 00504 #define LWIP_BROADCAST_PING 0 00505 #endif 00506 00507 /** 00508 * LWIP_MULTICAST_PING==1: respond to multicast pings (default is unicast only) 00509 */ 00510 #ifndef LWIP_MULTICAST_PING 00511 #define LWIP_MULTICAST_PING 0 00512 #endif 00513 00514 /* 00515 --------------------------------- 00516 ---------- RAW options ---------- 00517 --------------------------------- 00518 */ 00519 /** 00520 * LWIP_RAW==1: Enable application layer to hook into the IP layer itself. 00521 */ 00522 #ifndef LWIP_RAW 00523 #define LWIP_RAW 1 00524 #endif 00525 00526 /** 00527 * LWIP_RAW==1: Enable application layer to hook into the IP layer itself. 00528 */ 00529 #ifndef RAW_TTL 00530 #define RAW_TTL (IP_DEFAULT_TTL) 00531 #endif 00532 00533 /* 00534 ---------------------------------- 00535 ---------- DHCP options ---------- 00536 ---------------------------------- 00537 */ 00538 /** 00539 * LWIP_DHCP==1: Enable DHCP module. 00540 */ 00541 #ifndef LWIP_DHCP 00542 #define LWIP_DHCP 0 00543 #endif 00544 00545 /** 00546 * DHCP_DOES_ARP_CHECK==1: Do an ARP check on the offered address. 00547 */ 00548 #ifndef DHCP_DOES_ARP_CHECK 00549 #define DHCP_DOES_ARP_CHECK ((LWIP_DHCP) && (LWIP_ARP)) 00550 #endif 00551 00552 /* 00553 ------------------------------------ 00554 ---------- AUTOIP options ---------- 00555 ------------------------------------ 00556 */ 00557 /** 00558 * LWIP_AUTOIP==1: Enable AUTOIP module. 00559 */ 00560 #ifndef LWIP_AUTOIP 00561 #define LWIP_AUTOIP 0 00562 #endif 00563 00564 /** 00565 * LWIP_DHCP_AUTOIP_COOP==1: Allow DHCP and AUTOIP to be both enabled on 00566 * the same interface at the same time. 00567 */ 00568 #ifndef LWIP_DHCP_AUTOIP_COOP 00569 #define LWIP_DHCP_AUTOIP_COOP 0 00570 #endif 00571 00572 /** 00573 * LWIP_DHCP_AUTOIP_COOP_TRIES: Set to the number of DHCP DISCOVER probes 00574 * that should be sent before falling back on AUTOIP. This can be set 00575 * as low as 1 to get an AutoIP address very quickly, but you should 00576 * be prepared to handle a changing IP address when DHCP overrides 00577 * AutoIP. 00578 */ 00579 #ifndef LWIP_DHCP_AUTOIP_COOP_TRIES 00580 #define LWIP_DHCP_AUTOIP_COOP_TRIES 9 00581 #endif 00582 00583 /* 00584 ---------------------------------- 00585 ---------- SNMP options ---------- 00586 ---------------------------------- 00587 */ 00588 /** 00589 * LWIP_SNMP==1: Turn on SNMP module. UDP must be available for SNMP 00590 * transport. 00591 */ 00592 #ifndef LWIP_SNMP 00593 #define LWIP_SNMP 0 00594 #endif 00595 00596 /** 00597 * SNMP_CONCURRENT_REQUESTS: Number of concurrent requests the module will 00598 * allow. At least one request buffer is required. 00599 */ 00600 #ifndef SNMP_CONCURRENT_REQUESTS 00601 #define SNMP_CONCURRENT_REQUESTS 1 00602 #endif 00603 00604 /** 00605 * SNMP_TRAP_DESTINATIONS: Number of trap destinations. At least one trap 00606 * destination is required 00607 */ 00608 #ifndef SNMP_TRAP_DESTINATIONS 00609 #define SNMP_TRAP_DESTINATIONS 1 00610 #endif 00611 00612 /** 00613 * SNMP_PRIVATE_MIB: 00614 */ 00615 #ifndef SNMP_PRIVATE_MIB 00616 #define SNMP_PRIVATE_MIB 0 00617 #endif 00618 00619 /** 00620 * Only allow SNMP write actions that are 'safe' (e.g. disabeling netifs is not 00621 * a safe action and disabled when SNMP_SAFE_REQUESTS = 1). 00622 * Unsafe requests are disabled by default! 00623 */ 00624 #ifndef SNMP_SAFE_REQUESTS 00625 #define SNMP_SAFE_REQUESTS 1 00626 #endif 00627 00628 /* 00629 ---------------------------------- 00630 ---------- IGMP options ---------- 00631 ---------------------------------- 00632 */ 00633 /** 00634 * LWIP_IGMP==1: Turn on IGMP module. 00635 */ 00636 #ifndef LWIP_IGMP 00637 #define LWIP_IGMP 0 00638 #endif 00639 00640 /* 00641 ---------------------------------- 00642 ---------- DNS options ----------- 00643 ---------------------------------- 00644 */ 00645 /** 00646 * LWIP_DNS==1: Turn on DNS module. UDP must be available for DNS 00647 * transport. 00648 */ 00649 #ifndef LWIP_DNS 00650 #define LWIP_DNS 0 00651 #endif 00652 00653 /** DNS maximum number of entries to maintain locally. */ 00654 #ifndef DNS_TABLE_SIZE 00655 #define DNS_TABLE_SIZE 4 00656 #endif 00657 00658 /** DNS maximum host name length supported in the name table. */ 00659 #ifndef DNS_MAX_NAME_LENGTH 00660 #define DNS_MAX_NAME_LENGTH 256 00661 #endif 00662 00663 /** The maximum of DNS servers */ 00664 #ifndef DNS_MAX_SERVERS 00665 #define DNS_MAX_SERVERS 2 00666 #endif 00667 00668 /** DNS do a name checking between the query and the response. */ 00669 #ifndef DNS_DOES_NAME_CHECK 00670 #define DNS_DOES_NAME_CHECK 1 00671 #endif 00672 00673 /** DNS use a local buffer if DNS_USES_STATIC_BUF=0, a static one if 00674 DNS_USES_STATIC_BUF=1, or a dynamic one if DNS_USES_STATIC_BUF=2. 00675 The buffer will be of size DNS_MSG_SIZE */ 00676 #ifndef DNS_USES_STATIC_BUF 00677 #define DNS_USES_STATIC_BUF 1 00678 #endif 00679 00680 /** DNS message max. size. Default value is RFC compliant. */ 00681 #ifndef DNS_MSG_SIZE 00682 #define DNS_MSG_SIZE 512 00683 #endif 00684 00685 /** DNS_LOCAL_HOSTLIST: Implements a local host-to-address list. If enabled, 00686 * you have to define 00687 * #define DNS_LOCAL_HOSTLIST_INIT {{"host1", 0x123}, {"host2", 0x234}} 00688 * (an array of structs name/address, where address is an u32_t in network 00689 * byte order). 00690 * 00691 * Instead, you can also use an external function: 00692 * #define DNS_LOOKUP_LOCAL_EXTERN(x) extern u32_t my_lookup_function(const char *name) 00693 * that returns the IP address or INADDR_NONE if not found. 00694 */ 00695 #ifndef DNS_LOCAL_HOSTLIST 00696 #define DNS_LOCAL_HOSTLIST 0 00697 #endif /* DNS_LOCAL_HOSTLIST */ 00698 00699 /** If this is turned on, the local host-list can be dynamically changed 00700 * at runtime. */ 00701 #ifndef DNS_LOCAL_HOSTLIST_IS_DYNAMIC 00702 #define DNS_LOCAL_HOSTLIST_IS_DYNAMIC 0 00703 #endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */ 00704 00705 /* 00706 --------------------------------- 00707 ---------- UDP options ---------- 00708 --------------------------------- 00709 */ 00710 /** 00711 * LWIP_UDP==1: Turn on UDP. 00712 */ 00713 #ifndef LWIP_UDP 00714 #define LWIP_UDP 1 00715 #endif 00716 00717 /** 00718 * LWIP_UDPLITE==1: Turn on UDP-Lite. (Requires LWIP_UDP) 00719 */ 00720 #ifndef LWIP_UDPLITE 00721 #define LWIP_UDPLITE 0 00722 #endif 00723 00724 /** 00725 * UDP_TTL: Default Time-To-Live value. 00726 */ 00727 #ifndef UDP_TTL 00728 #define UDP_TTL (IP_DEFAULT_TTL) 00729 #endif 00730 00731 /** 00732 * LWIP_NETBUF_RECVINFO==1: append destination addr and port to every netbuf. 00733 */ 00734 #ifndef LWIP_NETBUF_RECVINFO 00735 #define LWIP_NETBUF_RECVINFO 0 00736 #endif 00737 00738 /* 00739 --------------------------------- 00740 ---------- TCP options ---------- 00741 --------------------------------- 00742 */ 00743 /** 00744 * LWIP_TCP==1: Turn on TCP. 00745 */ 00746 #ifndef LWIP_TCP 00747 #define LWIP_TCP 1 00748 #endif 00749 00750 /** 00751 * TCP_TTL: Default Time-To-Live value. 00752 */ 00753 #ifndef TCP_TTL 00754 #define TCP_TTL (IP_DEFAULT_TTL) 00755 #endif 00756 00757 /** 00758 * TCP_WND: The size of a TCP window. This must be at least 00759 * (2 * TCP_MSS) for things to work well 00760 */ 00761 #ifndef TCP_WND 00762 #define TCP_WND (4 * TCP_MSS) 00763 #endif 00764 00765 /** 00766 * TCP_MAXRTX: Maximum number of retransmissions of data segments. 00767 */ 00768 #ifndef TCP_MAXRTX 00769 #define TCP_MAXRTX 12 00770 #endif 00771 00772 /** 00773 * TCP_SYNMAXRTX: Maximum number of retransmissions of SYN segments. 00774 */ 00775 #ifndef TCP_SYNMAXRTX 00776 #define TCP_SYNMAXRTX 6 00777 #endif 00778 00779 /** 00780 * TCP_QUEUE_OOSEQ==1: TCP will queue segments that arrive out of order. 00781 * Define to 0 if your device is low on memory. 00782 */ 00783 #ifndef TCP_QUEUE_OOSEQ 00784 #define TCP_QUEUE_OOSEQ (LWIP_TCP) 00785 #endif 00786 00787 /** 00788 * TCP_MSS: TCP Maximum segment size. (default is 536, a conservative default, 00789 * you might want to increase this.) 00790 * For the receive side, this MSS is advertised to the remote side 00791 * when opening a connection. For the transmit size, this MSS sets 00792 * an upper limit on the MSS advertised by the remote host. 00793 */ 00794 #ifndef TCP_MSS 00795 #define TCP_MSS 536 00796 #endif 00797 00798 /** 00799 * TCP_CALCULATE_EFF_SEND_MSS: "The maximum size of a segment that TCP really 00800 * sends, the 'effective send MSS,' MUST be the smaller of the send MSS (which 00801 * reflects the available reassembly buffer size at the remote host) and the 00802 * largest size permitted by the IP layer" (RFC 1122) 00803 * Setting this to 1 enables code that checks TCP_MSS against the MTU of the 00804 * netif used for a connection and limits the MSS if it would be too big otherwise. 00805 */ 00806 #ifndef TCP_CALCULATE_EFF_SEND_MSS 00807 #define TCP_CALCULATE_EFF_SEND_MSS 1 00808 #endif 00809 00810 00811 /** 00812 * TCP_SND_BUF: TCP sender buffer space (bytes). 00813 */ 00814 #ifndef TCP_SND_BUF 00815 #define TCP_SND_BUF 256 00816 #endif 00817 00818 /** 00819 * TCP_SND_QUEUELEN: TCP sender buffer space (pbufs). This must be at least 00820 * as much as (2 * TCP_SND_BUF/TCP_MSS) for things to work. 00821 */ 00822 #ifndef TCP_SND_QUEUELEN 00823 #define TCP_SND_QUEUELEN (4 * (TCP_SND_BUF)/(TCP_MSS)) 00824 #endif 00825 00826 /** 00827 * TCP_SNDLOWAT: TCP writable space (bytes). This must be less than or equal 00828 * to TCP_SND_BUF. It is the amount of space which must be available in the 00829 * TCP snd_buf for select to return writable. 00830 */ 00831 #ifndef TCP_SNDLOWAT 00832 #define TCP_SNDLOWAT ((TCP_SND_BUF)/2) 00833 #endif 00834 00835 /** 00836 * TCP_LISTEN_BACKLOG: Enable the backlog option for tcp listen pcb. 00837 */ 00838 #ifndef TCP_LISTEN_BACKLOG 00839 #define TCP_LISTEN_BACKLOG 0 00840 #endif 00841 00842 /** 00843 * The maximum allowed backlog for TCP listen netconns. 00844 * This backlog is used unless another is explicitly specified. 00845 * 0xff is the maximum (u8_t). 00846 */ 00847 #ifndef TCP_DEFAULT_LISTEN_BACKLOG 00848 #define TCP_DEFAULT_LISTEN_BACKLOG 0xff 00849 #endif 00850 00851 /** 00852 * LWIP_TCP_TIMESTAMPS==1: support the TCP timestamp option. 00853 */ 00854 #ifndef LWIP_TCP_TIMESTAMPS 00855 #define LWIP_TCP_TIMESTAMPS 0 00856 #endif 00857 00858 /** 00859 * TCP_WND_UPDATE_THRESHOLD: difference in window to trigger an 00860 * explicit window update 00861 */ 00862 #ifndef TCP_WND_UPDATE_THRESHOLD 00863 #define TCP_WND_UPDATE_THRESHOLD (TCP_WND / 4) 00864 #endif 00865 00866 /** 00867 * LWIP_EVENT_API and LWIP_CALLBACK_API: Only one of these should be set to 1. 00868 * LWIP_EVENT_API==1: The user defines lwip_tcp_event() to receive all 00869 * events (accept, sent, etc) that happen in the system. 00870 * LWIP_CALLBACK_API==1: The PCB callback function is called directly 00871 * for the event. 00872 */ 00873 #ifndef LWIP_EVENT_API 00874 #define LWIP_EVENT_API 0 00875 #define LWIP_CALLBACK_API 1 00876 #else 00877 #define LWIP_EVENT_API 1 00878 #define LWIP_CALLBACK_API 0 00879 #endif 00880 00881 00882 /* 00883 ---------------------------------- 00884 ---------- Pbuf options ---------- 00885 ---------------------------------- 00886 */ 00887 /** 00888 * PBUF_LINK_HLEN: the number of bytes that should be allocated for a 00889 * link level header. The default is 14, the standard value for 00890 * Ethernet. 00891 */ 00892 #ifndef PBUF_LINK_HLEN 00893 #define PBUF_LINK_HLEN 14 00894 #endif 00895 00896 /** 00897 * PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. The default is 00898 * designed to accomodate single full size TCP frame in one pbuf, including 00899 * TCP_MSS, IP header, and link header. 00900 */ 00901 #ifndef PBUF_POOL_BUFSIZE 00902 #define PBUF_POOL_BUFSIZE LWIP_MEM_ALIGN_SIZE(TCP_MSS+40+PBUF_LINK_HLEN) 00903 #endif 00904 00905 /* 00906 ------------------------------------------------ 00907 ---------- Network Interfaces options ---------- 00908 ------------------------------------------------ 00909 */ 00910 /** 00911 * LWIP_NETIF_HOSTNAME==1: use DHCP_OPTION_HOSTNAME with netif's hostname 00912 * field. 00913 */ 00914 #ifndef LWIP_NETIF_HOSTNAME 00915 #define LWIP_NETIF_HOSTNAME 0 00916 #endif 00917 00918 /** 00919 * LWIP_NETIF_API==1: Support netif api (in netifapi.c) 00920 */ 00921 #ifndef LWIP_NETIF_API 00922 #define LWIP_NETIF_API 0 00923 #endif 00924 00925 /** 00926 * LWIP_NETIF_STATUS_CALLBACK==1: Support a callback function whenever an interface 00927 * changes its up/down status (i.e., due to DHCP IP acquistion) 00928 */ 00929 #ifndef LWIP_NETIF_STATUS_CALLBACK 00930 #define LWIP_NETIF_STATUS_CALLBACK 0 00931 #endif 00932 00933 /** 00934 * LWIP_NETIF_LINK_CALLBACK==1: Support a callback function from an interface 00935 * whenever the link changes (i.e., link down) 00936 */ 00937 #ifndef LWIP_NETIF_LINK_CALLBACK 00938 #define LWIP_NETIF_LINK_CALLBACK 0 00939 #endif 00940 00941 /** 00942 * LWIP_NETIF_HWADDRHINT==1: Cache link-layer-address hints (e.g. table 00943 * indices) in struct netif. TCP and UDP can make use of this to prevent 00944 * scanning the ARP table for every sent packet. While this is faster for big 00945 * ARP tables or many concurrent connections, it might be counterproductive 00946 * if you have a tiny ARP table or if there never are concurrent connections. 00947 */ 00948 #ifndef LWIP_NETIF_HWADDRHINT 00949 #define LWIP_NETIF_HWADDRHINT 0 00950 #endif 00951 00952 /** 00953 * LWIP_NETIF_LOOPBACK==1: Support sending packets with a destination IP 00954 * address equal to the netif IP address, looping them back up the stack. 00955 */ 00956 #ifndef LWIP_NETIF_LOOPBACK 00957 #define LWIP_NETIF_LOOPBACK 0 00958 #endif 00959 00960 /** 00961 * LWIP_LOOPBACK_MAX_PBUFS: Maximum number of pbufs on queue for loopback 00962 * sending for each netif (0 = disabled) 00963 */ 00964 #ifndef LWIP_LOOPBACK_MAX_PBUFS 00965 #define LWIP_LOOPBACK_MAX_PBUFS 0 00966 #endif 00967 00968 /** 00969 * LWIP_NETIF_LOOPBACK_MULTITHREADING: Indicates whether threading is enabled in 00970 * the system, as netifs must change how they behave depending on this setting 00971 * for the LWIP_NETIF_LOOPBACK option to work. 00972 * Setting this is needed to avoid reentering non-reentrant functions like 00973 * tcp_input(). 00974 * LWIP_NETIF_LOOPBACK_MULTITHREADING==1: Indicates that the user is using a 00975 * multithreaded environment like tcpip.c. In this case, netif->input() 00976 * is called directly. 00977 * LWIP_NETIF_LOOPBACK_MULTITHREADING==0: Indicates a polling (or NO_SYS) setup. 00978 * The packets are put on a list and netif_poll() must be called in 00979 * the main application loop. 00980 */ 00981 #ifndef LWIP_NETIF_LOOPBACK_MULTITHREADING 00982 #define LWIP_NETIF_LOOPBACK_MULTITHREADING (!NO_SYS) 00983 #endif 00984 00985 /** 00986 * LWIP_NETIF_TX_SINGLE_PBUF: if this is set to 1, lwIP tries to put all data 00987 * to be sent into one single pbuf. This is for compatibility with DMA-enabled 00988 * MACs that do not support scatter-gather. 00989 * Beware that this might involve CPU-memcpy before transmitting that would not 00990 * be needed without this flag! Use this only if you need to! 00991 * 00992 * @todo: TCP and IP-frag do not work with this, yet: 00993 */ 00994 #ifndef LWIP_NETIF_TX_SINGLE_PBUF 00995 #define LWIP_NETIF_TX_SINGLE_PBUF 0 00996 #endif /* LWIP_NETIF_TX_SINGLE_PBUF */ 00997 00998 /* 00999 ------------------------------------ 01000 ---------- LOOPIF options ---------- 01001 ------------------------------------ 01002 */ 01003 /** 01004 * LWIP_HAVE_LOOPIF==1: Support loop interface (127.0.0.1) and loopif.c 01005 */ 01006 #ifndef LWIP_HAVE_LOOPIF 01007 #define LWIP_HAVE_LOOPIF 0 01008 #endif 01009 01010 /* 01011 ------------------------------------ 01012 ---------- SLIPIF options ---------- 01013 ------------------------------------ 01014 */ 01015 /** 01016 * LWIP_HAVE_SLIPIF==1: Support slip interface and slipif.c 01017 */ 01018 #ifndef LWIP_HAVE_SLIPIF 01019 #define LWIP_HAVE_SLIPIF 0 01020 #endif 01021 01022 /* 01023 ------------------------------------ 01024 ---------- Thread options ---------- 01025 ------------------------------------ 01026 */ 01027 /** 01028 * TCPIP_THREAD_NAME: The name assigned to the main tcpip thread. 01029 */ 01030 #ifndef TCPIP_THREAD_NAME 01031 #define TCPIP_THREAD_NAME "tcpip_thread" 01032 #endif 01033 01034 /** 01035 * TCPIP_THREAD_STACKSIZE: The stack size used by the main tcpip thread. 01036 * The stack size value itself is platform-dependent, but is passed to 01037 * sys_thread_new() when the thread is created. 01038 */ 01039 #ifndef TCPIP_THREAD_STACKSIZE 01040 #define TCPIP_THREAD_STACKSIZE 0 01041 #endif 01042 01043 /** 01044 * TCPIP_THREAD_PRIO: The priority assigned to the main tcpip thread. 01045 * The priority value itself is platform-dependent, but is passed to 01046 * sys_thread_new() when the thread is created. 01047 */ 01048 #ifndef TCPIP_THREAD_PRIO 01049 #define TCPIP_THREAD_PRIO 1 01050 #endif 01051 01052 /** 01053 * TCPIP_MBOX_SIZE: The mailbox size for the tcpip thread messages 01054 * The queue size value itself is platform-dependent, but is passed to 01055 * sys_mbox_new() when tcpip_init is called. 01056 */ 01057 #ifndef TCPIP_MBOX_SIZE 01058 #define TCPIP_MBOX_SIZE 0 01059 #endif 01060 01061 /** 01062 * SLIPIF_THREAD_NAME: The name assigned to the slipif_loop thread. 01063 */ 01064 #ifndef SLIPIF_THREAD_NAME 01065 #define SLIPIF_THREAD_NAME "slipif_loop" 01066 #endif 01067 01068 /** 01069 * SLIP_THREAD_STACKSIZE: The stack size used by the slipif_loop thread. 01070 * The stack size value itself is platform-dependent, but is passed to 01071 * sys_thread_new() when the thread is created. 01072 */ 01073 #ifndef SLIPIF_THREAD_STACKSIZE 01074 #define SLIPIF_THREAD_STACKSIZE 0 01075 #endif 01076 01077 /** 01078 * SLIPIF_THREAD_PRIO: The priority assigned to the slipif_loop thread. 01079 * The priority value itself is platform-dependent, but is passed to 01080 * sys_thread_new() when the thread is created. 01081 */ 01082 #ifndef SLIPIF_THREAD_PRIO 01083 #define SLIPIF_THREAD_PRIO 1 01084 #endif 01085 01086 /** 01087 * PPP_THREAD_NAME: The name assigned to the pppMain thread. 01088 */ 01089 #ifndef PPP_THREAD_NAME 01090 #define PPP_THREAD_NAME "pppMain" 01091 #endif 01092 01093 /** 01094 * PPP_THREAD_STACKSIZE: The stack size used by the pppMain thread. 01095 * The stack size value itself is platform-dependent, but is passed to 01096 * sys_thread_new() when the thread is created. 01097 */ 01098 #ifndef PPP_THREAD_STACKSIZE 01099 #define PPP_THREAD_STACKSIZE 0 01100 #endif 01101 01102 /** 01103 * PPP_THREAD_PRIO: The priority assigned to the pppMain thread. 01104 * The priority value itself is platform-dependent, but is passed to 01105 * sys_thread_new() when the thread is created. 01106 */ 01107 #ifndef PPP_THREAD_PRIO 01108 #define PPP_THREAD_PRIO 1 01109 #endif 01110 01111 /** 01112 * DEFAULT_THREAD_NAME: The name assigned to any other lwIP thread. 01113 */ 01114 #ifndef DEFAULT_THREAD_NAME 01115 #define DEFAULT_THREAD_NAME "lwIP" 01116 #endif 01117 01118 /** 01119 * DEFAULT_THREAD_STACKSIZE: The stack size used by any other lwIP thread. 01120 * The stack size value itself is platform-dependent, but is passed to 01121 * sys_thread_new() when the thread is created. 01122 */ 01123 #ifndef DEFAULT_THREAD_STACKSIZE 01124 #define DEFAULT_THREAD_STACKSIZE 0 01125 #endif 01126 01127 /** 01128 * DEFAULT_THREAD_PRIO: The priority assigned to any other lwIP thread. 01129 * The priority value itself is platform-dependent, but is passed to 01130 * sys_thread_new() when the thread is created. 01131 */ 01132 #ifndef DEFAULT_THREAD_PRIO 01133 #define DEFAULT_THREAD_PRIO 1 01134 #endif 01135 01136 /** 01137 * DEFAULT_RAW_RECVMBOX_SIZE: The mailbox size for the incoming packets on a 01138 * NETCONN_RAW. The queue size value itself is platform-dependent, but is passed 01139 * to sys_mbox_new() when the recvmbox is created. 01140 */ 01141 #ifndef DEFAULT_RAW_RECVMBOX_SIZE 01142 #define DEFAULT_RAW_RECVMBOX_SIZE 0 01143 #endif 01144 01145 /** 01146 * DEFAULT_UDP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a 01147 * NETCONN_UDP. The queue size value itself is platform-dependent, but is passed 01148 * to sys_mbox_new() when the recvmbox is created. 01149 */ 01150 #ifndef DEFAULT_UDP_RECVMBOX_SIZE 01151 #define DEFAULT_UDP_RECVMBOX_SIZE 0 01152 #endif 01153 01154 /** 01155 * DEFAULT_TCP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a 01156 * NETCONN_TCP. The queue size value itself is platform-dependent, but is passed 01157 * to sys_mbox_new() when the recvmbox is created. 01158 */ 01159 #ifndef DEFAULT_TCP_RECVMBOX_SIZE 01160 #define DEFAULT_TCP_RECVMBOX_SIZE 0 01161 #endif 01162 01163 /** 01164 * DEFAULT_ACCEPTMBOX_SIZE: The mailbox size for the incoming connections. 01165 * The queue size value itself is platform-dependent, but is passed to 01166 * sys_mbox_new() when the acceptmbox is created. 01167 */ 01168 #ifndef DEFAULT_ACCEPTMBOX_SIZE 01169 #define DEFAULT_ACCEPTMBOX_SIZE 0 01170 #endif 01171 01172 /* 01173 ---------------------------------------------- 01174 ---------- Sequential layer options ---------- 01175 ---------------------------------------------- 01176 */ 01177 /** 01178 * LWIP_TCPIP_CORE_LOCKING: (EXPERIMENTAL!) 01179 * Don't use it if you're not an active lwIP project member 01180 */ 01181 #ifndef LWIP_TCPIP_CORE_LOCKING 01182 #define LWIP_TCPIP_CORE_LOCKING 0 01183 #endif 01184 01185 /** 01186 * LWIP_NETCONN==1: Enable Netconn API (require to use api_lib.c) 01187 */ 01188 #ifndef LWIP_NETCONN 01189 #define LWIP_NETCONN 1 01190 #endif 01191 01192 /* 01193 ------------------------------------ 01194 ---------- Socket options ---------- 01195 ------------------------------------ 01196 */ 01197 /** 01198 * LWIP_SOCKET==1: Enable Socket API (require to use sockets.c) 01199 */ 01200 #ifndef LWIP_SOCKET 01201 #define LWIP_SOCKET 1 01202 #endif 01203 01204 /** 01205 * LWIP_COMPAT_SOCKETS==1: Enable BSD-style sockets functions names. 01206 * (only used if you use sockets.c) 01207 */ 01208 #ifndef LWIP_COMPAT_SOCKETS 01209 #define LWIP_COMPAT_SOCKETS 1 01210 #endif 01211 01212 /** 01213 * LWIP_POSIX_SOCKETS_IO_NAMES==1: Enable POSIX-style sockets functions names. 01214 * Disable this option if you use a POSIX operating system that uses the same 01215 * names (read, write & close). (only used if you use sockets.c) 01216 */ 01217 #ifndef LWIP_POSIX_SOCKETS_IO_NAMES 01218 #define LWIP_POSIX_SOCKETS_IO_NAMES 1 01219 #endif 01220 01221 /** 01222 * LWIP_TCP_KEEPALIVE==1: Enable TCP_KEEPIDLE, TCP_KEEPINTVL and TCP_KEEPCNT 01223 * options processing. Note that TCP_KEEPIDLE and TCP_KEEPINTVL have to be set 01224 * in seconds. (does not require sockets.c, and will affect tcp.c) 01225 */ 01226 #ifndef LWIP_TCP_KEEPALIVE 01227 #define LWIP_TCP_KEEPALIVE 0 01228 #endif 01229 01230 /** 01231 * LWIP_SO_RCVTIMEO==1: Enable SO_RCVTIMEO processing. 01232 */ 01233 #ifndef LWIP_SO_RCVTIMEO 01234 #define LWIP_SO_RCVTIMEO 0 01235 #endif 01236 01237 /** 01238 * LWIP_SO_RCVBUF==1: Enable SO_RCVBUF processing. 01239 */ 01240 #ifndef LWIP_SO_RCVBUF 01241 #define LWIP_SO_RCVBUF 0 01242 #endif 01243 01244 /** 01245 * If LWIP_SO_RCVBUF is used, this is the default value for recv_bufsize. 01246 */ 01247 #ifndef RECV_BUFSIZE_DEFAULT 01248 #define RECV_BUFSIZE_DEFAULT INT_MAX 01249 #endif 01250 01251 /** 01252 * SO_REUSE==1: Enable SO_REUSEADDR and SO_REUSEPORT options. DO NOT USE! 01253 */ 01254 #ifndef SO_REUSE 01255 #define SO_REUSE 0 01256 #endif 01257 01258 /* 01259 ---------------------------------------- 01260 ---------- Statistics options ---------- 01261 ---------------------------------------- 01262 */ 01263 /** 01264 * LWIP_STATS==1: Enable statistics collection in lwip_stats. 01265 */ 01266 #ifndef LWIP_STATS 01267 #define LWIP_STATS 1 01268 #endif 01269 01270 #if LWIP_STATS 01271 01272 /** 01273 * LWIP_STATS_DISPLAY==1: Compile in the statistics output functions. 01274 */ 01275 #ifndef LWIP_STATS_DISPLAY 01276 #define LWIP_STATS_DISPLAY 0 01277 #endif 01278 01279 /** 01280 * LINK_STATS==1: Enable link stats. 01281 */ 01282 #ifndef LINK_STATS 01283 #define LINK_STATS 1 01284 #endif 01285 01286 /** 01287 * ETHARP_STATS==1: Enable etharp stats. 01288 */ 01289 #ifndef ETHARP_STATS 01290 #define ETHARP_STATS (LWIP_ARP) 01291 #endif 01292 01293 /** 01294 * IP_STATS==1: Enable IP stats. 01295 */ 01296 #ifndef IP_STATS 01297 #define IP_STATS 1 01298 #endif 01299 01300 /** 01301 * IPFRAG_STATS==1: Enable IP fragmentation stats. Default is 01302 * on if using either frag or reass. 01303 */ 01304 #ifndef IPFRAG_STATS 01305 #define IPFRAG_STATS (IP_REASSEMBLY || IP_FRAG) 01306 #endif 01307 01308 /** 01309 * ICMP_STATS==1: Enable ICMP stats. 01310 */ 01311 #ifndef ICMP_STATS 01312 #define ICMP_STATS 1 01313 #endif 01314 01315 /** 01316 * IGMP_STATS==1: Enable IGMP stats. 01317 */ 01318 #ifndef IGMP_STATS 01319 #define IGMP_STATS (LWIP_IGMP) 01320 #endif 01321 01322 /** 01323 * UDP_STATS==1: Enable UDP stats. Default is on if 01324 * UDP enabled, otherwise off. 01325 */ 01326 #ifndef UDP_STATS 01327 #define UDP_STATS (LWIP_UDP) 01328 #endif 01329 01330 /** 01331 * TCP_STATS==1: Enable TCP stats. Default is on if TCP 01332 * enabled, otherwise off. 01333 */ 01334 #ifndef TCP_STATS 01335 #define TCP_STATS (LWIP_TCP) 01336 #endif 01337 01338 /** 01339 * MEM_STATS==1: Enable mem.c stats. 01340 */ 01341 #ifndef MEM_STATS 01342 #define MEM_STATS ((MEM_LIBC_MALLOC == 0) && (MEM_USE_POOLS == 0)) 01343 #endif 01344 01345 /** 01346 * MEMP_STATS==1: Enable memp.c pool stats. 01347 */ 01348 #ifndef MEMP_STATS 01349 #define MEMP_STATS (MEMP_MEM_MALLOC == 0) 01350 #endif 01351 01352 /** 01353 * SYS_STATS==1: Enable system stats (sem and mbox counts, etc). 01354 */ 01355 #ifndef SYS_STATS 01356 #define SYS_STATS (NO_SYS == 0) 01357 #endif 01358 01359 #else 01360 01361 #define LINK_STATS 0 01362 #define IP_STATS 0 01363 #define IPFRAG_STATS 0 01364 #define ICMP_STATS 0 01365 #define IGMP_STATS 0 01366 #define UDP_STATS 0 01367 #define TCP_STATS 0 01368 #define MEM_STATS 0 01369 #define MEMP_STATS 0 01370 #define SYS_STATS 0 01371 #define LWIP_STATS_DISPLAY 0 01372 01373 #endif /* LWIP_STATS */ 01374 01375 /* 01376 --------------------------------- 01377 ---------- PPP options ---------- 01378 --------------------------------- 01379 */ 01380 /** 01381 * PPP_SUPPORT==1: Enable PPP. 01382 */ 01383 #ifndef PPP_SUPPORT 01384 #define PPP_SUPPORT 0 01385 #endif 01386 01387 /** 01388 * PPPOE_SUPPORT==1: Enable PPP Over Ethernet 01389 */ 01390 #ifndef PPPOE_SUPPORT 01391 #define PPPOE_SUPPORT 0 01392 #endif 01393 01394 /** 01395 * PPPOS_SUPPORT==1: Enable PPP Over Serial 01396 */ 01397 #ifndef PPPOS_SUPPORT 01398 #define PPPOS_SUPPORT PPP_SUPPORT 01399 #endif 01400 01401 #if PPP_SUPPORT 01402 01403 /** 01404 * NUM_PPP: Max PPP sessions. 01405 */ 01406 #ifndef NUM_PPP 01407 #define NUM_PPP 1 01408 #endif 01409 01410 /** 01411 * PAP_SUPPORT==1: Support PAP. 01412 */ 01413 #ifndef PAP_SUPPORT 01414 #define PAP_SUPPORT 0 01415 #endif 01416 01417 /** 01418 * CHAP_SUPPORT==1: Support CHAP. 01419 */ 01420 #ifndef CHAP_SUPPORT 01421 #define CHAP_SUPPORT 0 01422 #endif 01423 01424 /** 01425 * MSCHAP_SUPPORT==1: Support MSCHAP. CURRENTLY NOT SUPPORTED! DO NOT SET! 01426 */ 01427 #ifndef MSCHAP_SUPPORT 01428 #define MSCHAP_SUPPORT 0 01429 #endif 01430 01431 /** 01432 * CBCP_SUPPORT==1: Support CBCP. CURRENTLY NOT SUPPORTED! DO NOT SET! 01433 */ 01434 #ifndef CBCP_SUPPORT 01435 #define CBCP_SUPPORT 0 01436 #endif 01437 01438 /** 01439 * CCP_SUPPORT==1: Support CCP. CURRENTLY NOT SUPPORTED! DO NOT SET! 01440 */ 01441 #ifndef CCP_SUPPORT 01442 #define CCP_SUPPORT 0 01443 #endif 01444 01445 /** 01446 * VJ_SUPPORT==1: Support VJ header compression. 01447 */ 01448 #ifndef VJ_SUPPORT 01449 #define VJ_SUPPORT 0 01450 #endif 01451 01452 /** 01453 * MD5_SUPPORT==1: Support MD5 (see also CHAP). 01454 */ 01455 #ifndef MD5_SUPPORT 01456 #define MD5_SUPPORT 0 01457 #endif 01458 01459 /* 01460 * Timeouts 01461 */ 01462 #ifndef FSM_DEFTIMEOUT 01463 #define FSM_DEFTIMEOUT 6 /* Timeout time in seconds */ 01464 #endif 01465 01466 #ifndef FSM_DEFMAXTERMREQS 01467 #define FSM_DEFMAXTERMREQS 2 /* Maximum Terminate-Request transmissions */ 01468 #endif 01469 01470 #ifndef FSM_DEFMAXCONFREQS 01471 #define FSM_DEFMAXCONFREQS 10 /* Maximum Configure-Request transmissions */ 01472 #endif 01473 01474 #ifndef FSM_DEFMAXNAKLOOPS 01475 #define FSM_DEFMAXNAKLOOPS 5 /* Maximum number of nak loops */ 01476 #endif 01477 01478 #ifndef UPAP_DEFTIMEOUT 01479 #define UPAP_DEFTIMEOUT 6 /* Timeout (seconds) for retransmitting req */ 01480 #endif 01481 01482 #ifndef UPAP_DEFREQTIME 01483 #define UPAP_DEFREQTIME 30 /* Time to wait for auth-req from peer */ 01484 #endif 01485 01486 #ifndef CHAP_DEFTIMEOUT 01487 #define CHAP_DEFTIMEOUT 6 /* Timeout time in seconds */ 01488 #endif 01489 01490 #ifndef CHAP_DEFTRANSMITS 01491 #define CHAP_DEFTRANSMITS 10 /* max # times to send challenge */ 01492 #endif 01493 01494 /* Interval in seconds between keepalive echo requests, 0 to disable. */ 01495 #ifndef LCP_ECHOINTERVAL 01496 #define LCP_ECHOINTERVAL 0 01497 #endif 01498 01499 /* Number of unanswered echo requests before failure. */ 01500 #ifndef LCP_MAXECHOFAILS 01501 #define LCP_MAXECHOFAILS 3 01502 #endif 01503 01504 /* Max Xmit idle time (in jiffies) before resend flag char. */ 01505 #ifndef PPP_MAXIDLEFLAG 01506 #define PPP_MAXIDLEFLAG 100 01507 #endif 01508 01509 /* 01510 * Packet sizes 01511 * 01512 * Note - lcp shouldn't be allowed to negotiate stuff outside these 01513 * limits. See lcp.h in the pppd directory. 01514 * (XXX - these constants should simply be shared by lcp.c instead 01515 * of living in lcp.h) 01516 */ 01517 #define PPP_MTU 1500 /* Default MTU (size of Info field) */ 01518 #ifndef PPP_MAXMTU 01519 /* #define PPP_MAXMTU 65535 - (PPP_HDRLEN + PPP_FCSLEN) */ 01520 #define PPP_MAXMTU 1500 /* Largest MTU we allow */ 01521 #endif 01522 #define PPP_MINMTU 64 01523 #define PPP_MRU 1500 /* default MRU = max length of info field */ 01524 #define PPP_MAXMRU 1500 /* Largest MRU we allow */ 01525 #ifndef PPP_DEFMRU 01526 #define PPP_DEFMRU 296 /* Try for this */ 01527 #endif 01528 #define PPP_MINMRU 128 /* No MRUs below this */ 01529 01530 #ifndef MAXNAMELEN 01531 #define MAXNAMELEN 256 /* max length of hostname or name for auth */ 01532 #endif 01533 #ifndef MAXSECRETLEN 01534 #define MAXSECRETLEN 256 /* max length of password or secret */ 01535 #endif 01536 01537 #endif /* PPP_SUPPORT */ 01538 01539 /* 01540 -------------------------------------- 01541 ---------- Checksum options ---------- 01542 -------------------------------------- 01543 */ 01544 /** 01545 * CHECKSUM_GEN_IP==1: Generate checksums in software for outgoing IP packets. 01546 */ 01547 #ifndef CHECKSUM_GEN_IP 01548 #define CHECKSUM_GEN_IP 1 01549 #endif 01550 01551 /** 01552 * CHECKSUM_GEN_UDP==1: Generate checksums in software for outgoing UDP packets. 01553 */ 01554 #ifndef CHECKSUM_GEN_UDP 01555 #define CHECKSUM_GEN_UDP 1 01556 #endif 01557 01558 /** 01559 * CHECKSUM_GEN_TCP==1: Generate checksums in software for outgoing TCP packets. 01560 */ 01561 #ifndef CHECKSUM_GEN_TCP 01562 #define CHECKSUM_GEN_TCP 1 01563 #endif 01564 01565 /** 01566 * CHECKSUM_CHECK_IP==1: Check checksums in software for incoming IP packets. 01567 */ 01568 #ifndef CHECKSUM_CHECK_IP 01569 #define CHECKSUM_CHECK_IP 1 01570 #endif 01571 01572 /** 01573 * CHECKSUM_CHECK_UDP==1: Check checksums in software for incoming UDP packets. 01574 */ 01575 #ifndef CHECKSUM_CHECK_UDP 01576 #define CHECKSUM_CHECK_UDP 1 01577 #endif 01578 01579 /** 01580 * CHECKSUM_CHECK_TCP==1: Check checksums in software for incoming TCP packets. 01581 */ 01582 #ifndef CHECKSUM_CHECK_TCP 01583 #define CHECKSUM_CHECK_TCP 1 01584 #endif 01585 01586 /* 01587 --------------------------------------- 01588 ---------- Debugging options ---------- 01589 --------------------------------------- 01590 */ 01591 /** 01592 * LWIP_DBG_MIN_LEVEL: After masking, the value of the debug is 01593 * compared against this value. If it is smaller, then debugging 01594 * messages are written. 01595 */ 01596 #ifndef LWIP_DBG_MIN_LEVEL 01597 #define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_ALL 01598 #endif 01599 01600 /** 01601 * LWIP_DBG_TYPES_ON: A mask that can be used to globally enable/disable 01602 * debug messages of certain types. 01603 */ 01604 #ifndef LWIP_DBG_TYPES_ON 01605 #define LWIP_DBG_TYPES_ON LWIP_DBG_ON 01606 #endif 01607 01608 /** 01609 * ETHARP_DEBUG: Enable debugging in etharp.c. 01610 */ 01611 #ifndef ETHARP_DEBUG 01612 #define ETHARP_DEBUG LWIP_DBG_OFF 01613 #endif 01614 01615 /** 01616 * NETIF_DEBUG: Enable debugging in netif.c. 01617 */ 01618 #ifndef NETIF_DEBUG 01619 #define NETIF_DEBUG LWIP_DBG_OFF 01620 #endif 01621 01622 /** 01623 * PBUF_DEBUG: Enable debugging in pbuf.c. 01624 */ 01625 #ifndef PBUF_DEBUG 01626 #define PBUF_DEBUG LWIP_DBG_OFF 01627 #endif 01628 01629 /** 01630 * API_LIB_DEBUG: Enable debugging in api_lib.c. 01631 */ 01632 #ifndef API_LIB_DEBUG 01633 #define API_LIB_DEBUG LWIP_DBG_OFF 01634 #endif 01635 01636 /** 01637 * API_MSG_DEBUG: Enable debugging in api_msg.c. 01638 */ 01639 #ifndef API_MSG_DEBUG 01640 #define API_MSG_DEBUG LWIP_DBG_OFF 01641 #endif 01642 01643 /** 01644 * SOCKETS_DEBUG: Enable debugging in sockets.c. 01645 */ 01646 #ifndef SOCKETS_DEBUG 01647 #define SOCKETS_DEBUG LWIP_DBG_OFF 01648 #endif 01649 01650 /** 01651 * ICMP_DEBUG: Enable debugging in icmp.c. 01652 */ 01653 #ifndef ICMP_DEBUG 01654 #define ICMP_DEBUG LWIP_DBG_OFF 01655 #endif 01656 01657 /** 01658 * IGMP_DEBUG: Enable debugging in igmp.c. 01659 */ 01660 #ifndef IGMP_DEBUG 01661 #define IGMP_DEBUG LWIP_DBG_OFF 01662 #endif 01663 01664 /** 01665 * INET_DEBUG: Enable debugging in inet.c. 01666 */ 01667 #ifndef INET_DEBUG 01668 #define INET_DEBUG LWIP_DBG_OFF 01669 #endif 01670 01671 /** 01672 * IP_DEBUG: Enable debugging for IP. 01673 */ 01674 #ifndef IP_DEBUG 01675 #define IP_DEBUG LWIP_DBG_OFF 01676 #endif 01677 01678 /** 01679 * IP_REASS_DEBUG: Enable debugging in ip_frag.c for both frag & reass. 01680 */ 01681 #ifndef IP_REASS_DEBUG 01682 #define IP_REASS_DEBUG LWIP_DBG_OFF 01683 #endif 01684 01685 /** 01686 * RAW_DEBUG: Enable debugging in raw.c. 01687 */ 01688 #ifndef RAW_DEBUG 01689 #define RAW_DEBUG LWIP_DBG_OFF 01690 #endif 01691 01692 /** 01693 * MEM_DEBUG: Enable debugging in mem.c. 01694 */ 01695 #ifndef MEM_DEBUG 01696 #define MEM_DEBUG LWIP_DBG_OFF 01697 #endif 01698 01699 /** 01700 * MEMP_DEBUG: Enable debugging in memp.c. 01701 */ 01702 #ifndef MEMP_DEBUG 01703 #define MEMP_DEBUG LWIP_DBG_OFF 01704 #endif 01705 01706 /** 01707 * SYS_DEBUG: Enable debugging in sys.c. 01708 */ 01709 #ifndef SYS_DEBUG 01710 #define SYS_DEBUG LWIP_DBG_OFF 01711 #endif 01712 01713 /** 01714 * TCP_DEBUG: Enable debugging for TCP. 01715 */ 01716 #ifndef TCP_DEBUG 01717 #define TCP_DEBUG LWIP_DBG_OFF 01718 #endif 01719 01720 /** 01721 * TCP_INPUT_DEBUG: Enable debugging in tcp_in.c for incoming debug. 01722 */ 01723 #ifndef TCP_INPUT_DEBUG 01724 #define TCP_INPUT_DEBUG LWIP_DBG_OFF 01725 #endif 01726 01727 /** 01728 * TCP_FR_DEBUG: Enable debugging in tcp_in.c for fast retransmit. 01729 */ 01730 #ifndef TCP_FR_DEBUG 01731 #define TCP_FR_DEBUG LWIP_DBG_OFF 01732 #endif 01733 01734 /** 01735 * TCP_RTO_DEBUG: Enable debugging in TCP for retransmit 01736 * timeout. 01737 */ 01738 #ifndef TCP_RTO_DEBUG 01739 #define TCP_RTO_DEBUG LWIP_DBG_OFF 01740 #endif 01741 01742 /** 01743 * TCP_CWND_DEBUG: Enable debugging for TCP congestion window. 01744 */ 01745 #ifndef TCP_CWND_DEBUG 01746 #define TCP_CWND_DEBUG LWIP_DBG_OFF 01747 #endif 01748 01749 /** 01750 * TCP_WND_DEBUG: Enable debugging in tcp_in.c for window updating. 01751 */ 01752 #ifndef TCP_WND_DEBUG 01753 #define TCP_WND_DEBUG LWIP_DBG_OFF 01754 #endif 01755 01756 /** 01757 * TCP_OUTPUT_DEBUG: Enable debugging in tcp_out.c output functions. 01758 */ 01759 #ifndef TCP_OUTPUT_DEBUG 01760 #define TCP_OUTPUT_DEBUG LWIP_DBG_OFF 01761 #endif 01762 01763 /** 01764 * TCP_RST_DEBUG: Enable debugging for TCP with the RST message. 01765 */ 01766 #ifndef TCP_RST_DEBUG 01767 #define TCP_RST_DEBUG LWIP_DBG_OFF 01768 #endif 01769 01770 /** 01771 * TCP_QLEN_DEBUG: Enable debugging for TCP queue lengths. 01772 */ 01773 #ifndef TCP_QLEN_DEBUG 01774 #define TCP_QLEN_DEBUG LWIP_DBG_OFF 01775 #endif 01776 01777 /** 01778 * UDP_DEBUG: Enable debugging in UDP. 01779 */ 01780 #ifndef UDP_DEBUG 01781 #define UDP_DEBUG LWIP_DBG_OFF 01782 #endif 01783 01784 /** 01785 * TCPIP_DEBUG: Enable debugging in tcpip.c. 01786 */ 01787 #ifndef TCPIP_DEBUG 01788 #define TCPIP_DEBUG LWIP_DBG_OFF 01789 #endif 01790 01791 /** 01792 * PPP_DEBUG: Enable debugging for PPP. 01793 */ 01794 #ifndef PPP_DEBUG 01795 #define PPP_DEBUG LWIP_DBG_OFF 01796 #endif 01797 01798 /** 01799 * SLIP_DEBUG: Enable debugging in slipif.c. 01800 */ 01801 #ifndef SLIP_DEBUG 01802 #define SLIP_DEBUG LWIP_DBG_OFF 01803 #endif 01804 01805 /** 01806 * DHCP_DEBUG: Enable debugging in dhcp.c. 01807 */ 01808 #ifndef DHCP_DEBUG 01809 #define DHCP_DEBUG LWIP_DBG_OFF 01810 #endif 01811 01812 /** 01813 * AUTOIP_DEBUG: Enable debugging in autoip.c. 01814 */ 01815 #ifndef AUTOIP_DEBUG 01816 #define AUTOIP_DEBUG LWIP_DBG_OFF 01817 #endif 01818 01819 /** 01820 * SNMP_MSG_DEBUG: Enable debugging for SNMP messages. 01821 */ 01822 #ifndef SNMP_MSG_DEBUG 01823 #define SNMP_MSG_DEBUG LWIP_DBG_OFF 01824 #endif 01825 01826 /** 01827 * SNMP_MIB_DEBUG: Enable debugging for SNMP MIBs. 01828 */ 01829 #ifndef SNMP_MIB_DEBUG 01830 #define SNMP_MIB_DEBUG LWIP_DBG_OFF 01831 #endif 01832 01833 /** 01834 * DNS_DEBUG: Enable debugging for DNS. 01835 */ 01836 #ifndef DNS_DEBUG 01837 #define DNS_DEBUG LWIP_DBG_OFF 01838 #endif 01839 01840 #endif /* __LWIP_OPT_H__ */