Some quick code to use UDP-only (no TCP) with mBed. Echos received packets and sends packets when a button is pressed
opt.h
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 #ifndef MEM_POSITION 00128 #define MEM_POSITION 00129 #endif 00130 00131 /** 00132 * MEMP_OVERFLOW_CHECK: memp overflow protection reserves a configurable 00133 * amount of bytes before and after each memp element in every pool and fills 00134 * it with a prominent default value. 00135 * MEMP_OVERFLOW_CHECK == 0 no checking 00136 * MEMP_OVERFLOW_CHECK == 1 checks each element when it is freed 00137 * MEMP_OVERFLOW_CHECK >= 2 checks each element in every pool every time 00138 * memp_malloc() or memp_free() is called (useful but slow!) 00139 */ 00140 #ifndef MEMP_OVERFLOW_CHECK 00141 #define MEMP_OVERFLOW_CHECK 0 00142 #endif 00143 00144 /** 00145 * MEMP_SANITY_CHECK==1: run a sanity check after each memp_free() to make 00146 * sure that there are no cycles in the linked lists. 00147 */ 00148 #ifndef MEMP_SANITY_CHECK 00149 #define MEMP_SANITY_CHECK 0 00150 #endif 00151 00152 /** 00153 * MEM_USE_POOLS==1: Use an alternative to malloc() by allocating from a set 00154 * of memory pools of various sizes. When mem_malloc is called, an element of 00155 * the smallest pool that can provide the length needed is returned. 00156 * To use this, MEMP_USE_CUSTOM_POOLS also has to be enabled. 00157 */ 00158 #ifndef MEM_USE_POOLS 00159 #define MEM_USE_POOLS 0 00160 #endif 00161 00162 /** 00163 * MEM_USE_POOLS_TRY_BIGGER_POOL==1: if one malloc-pool is empty, try the next 00164 * bigger pool - WARNING: THIS MIGHT WASTE MEMORY but it can make a system more 00165 * reliable. */ 00166 #ifndef MEM_USE_POOLS_TRY_BIGGER_POOL 00167 #define MEM_USE_POOLS_TRY_BIGGER_POOL 0 00168 #endif 00169 00170 /** 00171 * MEMP_USE_CUSTOM_POOLS==1: whether to include a user file lwippools.h 00172 * that defines additional pools beyond the "standard" ones required 00173 * by lwIP. If you set this to 1, you must have lwippools.h in your 00174 * inlude path somewhere. 00175 */ 00176 #ifndef MEMP_USE_CUSTOM_POOLS 00177 #define MEMP_USE_CUSTOM_POOLS 0 00178 #endif 00179 00180 /** 00181 * Set this to 1 if you want to free PBUF_RAM pbufs (or call mem_free()) from 00182 * interrupt context (or another context that doesn't allow waiting for a 00183 * semaphore). 00184 * If set to 1, mem_malloc will be protected by a semaphore and SYS_ARCH_PROTECT, 00185 * while mem_free will only use SYS_ARCH_PROTECT. mem_malloc SYS_ARCH_UNPROTECTs 00186 * with each loop so that mem_free can run. 00187 * 00188 * ATTENTION: As you can see from the above description, this leads to dis-/ 00189 * enabling interrupts often, which can be slow! Also, on low memory, mem_malloc 00190 * can need longer. 00191 * 00192 * If you don't want that, at least for NO_SYS=0, you can still use the following 00193 * functions to enqueue a deallocation call which then runs in the tcpip_thread 00194 * context: 00195 * - pbuf_free_callback(p); 00196 * - mem_free_callback(m); 00197 */ 00198 #ifndef LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT 00199 #define LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT 0 00200 #endif 00201 00202 /* 00203 ------------------------------------------------ 00204 ---------- Internal Memory Pool Sizes ---------- 00205 ------------------------------------------------ 00206 */ 00207 /** 00208 * MEMP_NUM_PBUF: the number of memp struct pbufs (used for PBUF_ROM and PBUF_REF). 00209 * If the application sends a lot of data out of ROM (or other static memory), 00210 * this should be set high. 00211 */ 00212 #ifndef MEMP_NUM_PBUF 00213 #define MEMP_NUM_PBUF 16 00214 #endif 00215 00216 /** 00217 * MEMP_NUM_RAW_PCB: Number of raw connection PCBs 00218 * (requires the LWIP_RAW option) 00219 */ 00220 #ifndef MEMP_NUM_RAW_PCB 00221 #define MEMP_NUM_RAW_PCB 4 00222 #endif 00223 00224 /** 00225 * MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One 00226 * per active UDP "connection". 00227 * (requires the LWIP_UDP option) 00228 */ 00229 #ifndef MEMP_NUM_UDP_PCB 00230 #define MEMP_NUM_UDP_PCB 4 00231 #endif 00232 00233 /** 00234 * MEMP_NUM_TCP_PCB: the number of simulatenously active TCP connections. 00235 * (requires the LWIP_TCP option) 00236 */ 00237 #ifndef MEMP_NUM_TCP_PCB 00238 #define MEMP_NUM_TCP_PCB 5 00239 #endif 00240 00241 /** 00242 * MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP connections. 00243 * (requires the LWIP_TCP option) 00244 */ 00245 #ifndef MEMP_NUM_TCP_PCB_LISTEN 00246 #define MEMP_NUM_TCP_PCB_LISTEN 8 00247 #endif 00248 00249 /** 00250 * MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP segments. 00251 * (requires the LWIP_TCP option) 00252 */ 00253 #ifndef MEMP_NUM_TCP_SEG 00254 #define MEMP_NUM_TCP_SEG 16 00255 #endif 00256 00257 /** 00258 * MEMP_NUM_REASSDATA: the number of simultaneously IP packets queued for 00259 * reassembly (whole packets, not fragments!) 00260 */ 00261 #ifndef MEMP_NUM_REASSDATA 00262 #define MEMP_NUM_REASSDATA 5 00263 #endif 00264 00265 /** 00266 * MEMP_NUM_ARP_QUEUE: the number of simulateously queued outgoing 00267 * packets (pbufs) that are waiting for an ARP request (to resolve 00268 * their destination address) to finish. 00269 * (requires the ARP_QUEUEING option) 00270 */ 00271 #ifndef MEMP_NUM_ARP_QUEUE 00272 #define MEMP_NUM_ARP_QUEUE 30 00273 #endif 00274 00275 /** 00276 * MEMP_NUM_IGMP_GROUP: The number of multicast groups whose network interfaces 00277 * can be members et the same time (one per netif - allsystems group -, plus one 00278 * per netif membership). 00279 * (requires the LWIP_IGMP option) 00280 */ 00281 #ifndef MEMP_NUM_IGMP_GROUP 00282 #define MEMP_NUM_IGMP_GROUP 8 00283 #endif 00284 00285 /** 00286 * MEMP_NUM_SYS_TIMEOUT: the number of simulateously active timeouts. 00287 * (requires NO_SYS==0) 00288 */ 00289 #ifndef MEMP_NUM_SYS_TIMEOUT 00290 #define MEMP_NUM_SYS_TIMEOUT 3 00291 #endif 00292 00293 /** 00294 * MEMP_NUM_NETBUF: the number of struct netbufs. 00295 * (only needed if you use the sequential API, like api_lib.c) 00296 */ 00297 #ifndef MEMP_NUM_NETBUF 00298 #define MEMP_NUM_NETBUF 2 00299 #endif 00300 00301 /** 00302 * MEMP_NUM_NETCONN: the number of struct netconns. 00303 * (only needed if you use the sequential API, like api_lib.c) 00304 */ 00305 #ifndef MEMP_NUM_NETCONN 00306 #define MEMP_NUM_NETCONN 4 00307 #endif 00308 00309 /** 00310 * MEMP_NUM_TCPIP_MSG_API: the number of struct tcpip_msg, which are used 00311 * for callback/timeout API communication. 00312 * (only needed if you use tcpip.c) 00313 */ 00314 #ifndef MEMP_NUM_TCPIP_MSG_API 00315 #define MEMP_NUM_TCPIP_MSG_API 8 00316 #endif 00317 00318 /** 00319 * MEMP_NUM_TCPIP_MSG_INPKT: the number of struct tcpip_msg, which are used 00320 * for incoming packets. 00321 * (only needed if you use tcpip.c) 00322 */ 00323 #ifndef MEMP_NUM_TCPIP_MSG_INPKT 00324 #define MEMP_NUM_TCPIP_MSG_INPKT 8 00325 #endif 00326 00327 /** 00328 * PBUF_POOL_SIZE: the number of buffers in the pbuf pool. 00329 */ 00330 #ifndef PBUF_POOL_SIZE 00331 #define PBUF_POOL_SIZE 16 00332 #endif 00333 00334 /* 00335 --------------------------------- 00336 ---------- ARP options ---------- 00337 --------------------------------- 00338 */ 00339 /** 00340 * LWIP_ARP==1: Enable ARP functionality. 00341 */ 00342 #ifndef LWIP_ARP 00343 #define LWIP_ARP 1 00344 #endif 00345 00346 /** 00347 * ARP_TABLE_SIZE: Number of active MAC-IP address pairs cached. 00348 */ 00349 #ifndef ARP_TABLE_SIZE 00350 #define ARP_TABLE_SIZE 10 00351 #endif 00352 00353 /** 00354 * ARP_QUEUEING==1: Outgoing packets are queued during hardware address 00355 * resolution. 00356 */ 00357 #ifndef ARP_QUEUEING 00358 #define ARP_QUEUEING 1 00359 #endif 00360 00361 /** 00362 * ETHARP_TRUST_IP_MAC==1: Incoming IP packets cause the ARP table to be 00363 * updated with the source MAC and IP addresses supplied in the packet. 00364 * You may want to disable this if you do not trust LAN peers to have the 00365 * correct addresses, or as a limited approach to attempt to handle 00366 * spoofing. If disabled, lwIP will need to make a new ARP request if 00367 * the peer is not already in the ARP table, adding a little latency. 00368 */ 00369 #ifndef ETHARP_TRUST_IP_MAC 00370 #define ETHARP_TRUST_IP_MAC 1 00371 #endif 00372 00373 /** 00374 * ETHARP_SUPPORT_VLAN==1: support receiving ethernet packets with VLAN header. 00375 * Additionally, you can define ETHARP_VLAN_CHECK to an u16_t VLAN ID to check. 00376 * If ETHARP_VLAN_CHECK is defined, only VLAN-traffic for this VLAN is accepted. 00377 * If ETHARP_VLAN_CHECK is not defined, all traffic is accepted. 00378 */ 00379 #ifndef ETHARP_SUPPORT_VLAN 00380 #define ETHARP_SUPPORT_VLAN 0 00381 #endif 00382 00383 /* 00384 -------------------------------- 00385 ---------- IP options ---------- 00386 -------------------------------- 00387 */ 00388 /** 00389 * IP_FORWARD==1: Enables the ability to forward IP packets across network 00390 * interfaces. If you are going to run lwIP on a device with only one network 00391 * interface, define this to 0. 00392 */ 00393 #ifndef IP_FORWARD 00394 #define IP_FORWARD 0 00395 #endif 00396 00397 /** 00398 * IP_OPTIONS_ALLOWED: Defines the behavior for IP options. 00399 * IP_OPTIONS_ALLOWED==0: All packets with IP options are dropped. 00400 * IP_OPTIONS_ALLOWED==1: IP options are allowed (but not parsed). 00401 */ 00402 #ifndef IP_OPTIONS_ALLOWED 00403 #define IP_OPTIONS_ALLOWED 1 00404 #endif 00405 00406 /** 00407 * IP_REASSEMBLY==1: Reassemble incoming fragmented IP packets. Note that 00408 * this option does not affect outgoing packet sizes, which can be controlled 00409 * via IP_FRAG. 00410 */ 00411 #ifndef IP_REASSEMBLY 00412 #define IP_REASSEMBLY 1 00413 #endif 00414 00415 /** 00416 * IP_FRAG==1: Fragment outgoing IP packets if their size exceeds MTU. Note 00417 * that this option does not affect incoming packet sizes, which can be 00418 * controlled via IP_REASSEMBLY. 00419 */ 00420 #ifndef IP_FRAG 00421 #define IP_FRAG 1 00422 #endif 00423 00424 /** 00425 * IP_REASS_MAXAGE: Maximum time (in multiples of IP_TMR_INTERVAL - so seconds, normally) 00426 * a fragmented IP packet waits for all fragments to arrive. If not all fragments arrived 00427 * in this time, the whole packet is discarded. 00428 */ 00429 #ifndef IP_REASS_MAXAGE 00430 #define IP_REASS_MAXAGE 3 00431 #endif 00432 00433 /** 00434 * IP_REASS_MAX_PBUFS: Total maximum amount of pbufs waiting to be reassembled. 00435 * Since the received pbufs are enqueued, be sure to configure 00436 * PBUF_POOL_SIZE > IP_REASS_MAX_PBUFS so that the stack is still able to receive 00437 * packets even if the maximum amount of fragments is enqueued for reassembly! 00438 */ 00439 #ifndef IP_REASS_MAX_PBUFS 00440 #define IP_REASS_MAX_PBUFS 10 00441 #endif 00442 00443 /** 00444 * IP_FRAG_USES_STATIC_BUF==1: Use a static MTU-sized buffer for IP 00445 * fragmentation. Otherwise pbufs are allocated and reference the original 00446 * packet data to be fragmented. 00447 */ 00448 #ifndef IP_FRAG_USES_STATIC_BUF 00449 #define IP_FRAG_USES_STATIC_BUF 1 00450 #endif 00451 00452 /** 00453 * IP_FRAG_MAX_MTU: Assumed max MTU on any interface for IP frag buffer 00454 * (requires IP_FRAG_USES_STATIC_BUF==1) 00455 */ 00456 #if IP_FRAG_USES_STATIC_BUF && !defined(IP_FRAG_MAX_MTU) 00457 #define IP_FRAG_MAX_MTU 1500 00458 #endif 00459 00460 /** 00461 * IP_DEFAULT_TTL: Default value for Time-To-Live used by transport layers. 00462 */ 00463 #ifndef IP_DEFAULT_TTL 00464 #define IP_DEFAULT_TTL 255 00465 #endif 00466 00467 /** 00468 * IP_SOF_BROADCAST=1: Use the SOF_BROADCAST field to enable broadcast 00469 * filter per pcb on udp and raw send operations. To enable broadcast filter 00470 * on recv operations, you also have to set IP_SOF_BROADCAST_RECV=1. 00471 */ 00472 #ifndef IP_SOF_BROADCAST 00473 #define IP_SOF_BROADCAST 0 00474 #endif 00475 00476 /** 00477 * IP_SOF_BROADCAST_RECV (requires IP_SOF_BROADCAST=1) enable the broadcast 00478 * filter on recv operations. 00479 */ 00480 #ifndef IP_SOF_BROADCAST_RECV 00481 #define IP_SOF_BROADCAST_RECV 0 00482 #endif 00483 00484 /* 00485 ---------------------------------- 00486 ---------- ICMP options ---------- 00487 ---------------------------------- 00488 */ 00489 /** 00490 * LWIP_ICMP==1: Enable ICMP module inside the IP stack. 00491 * Be careful, disable that make your product non-compliant to RFC1122 00492 */ 00493 #ifndef LWIP_ICMP 00494 #define LWIP_ICMP 1 00495 #endif 00496 00497 /** 00498 * ICMP_TTL: Default value for Time-To-Live used by ICMP packets. 00499 */ 00500 #ifndef ICMP_TTL 00501 #define ICMP_TTL (IP_DEFAULT_TTL) 00502 #endif 00503 00504 /** 00505 * LWIP_BROADCAST_PING==1: respond to broadcast pings (default is unicast only) 00506 */ 00507 #ifndef LWIP_BROADCAST_PING 00508 #define LWIP_BROADCAST_PING 0 00509 #endif 00510 00511 /** 00512 * LWIP_MULTICAST_PING==1: respond to multicast pings (default is unicast only) 00513 */ 00514 #ifndef LWIP_MULTICAST_PING 00515 #define LWIP_MULTICAST_PING 0 00516 #endif 00517 00518 /* 00519 --------------------------------- 00520 ---------- RAW options ---------- 00521 --------------------------------- 00522 */ 00523 /** 00524 * LWIP_RAW==1: Enable application layer to hook into the IP layer itself. 00525 */ 00526 #ifndef LWIP_RAW 00527 #define LWIP_RAW 1 00528 #endif 00529 00530 /** 00531 * LWIP_RAW==1: Enable application layer to hook into the IP layer itself. 00532 */ 00533 #ifndef RAW_TTL 00534 #define RAW_TTL (IP_DEFAULT_TTL) 00535 #endif 00536 00537 /* 00538 ---------------------------------- 00539 ---------- DHCP options ---------- 00540 ---------------------------------- 00541 */ 00542 /** 00543 * LWIP_DHCP==1: Enable DHCP module. 00544 */ 00545 #ifndef LWIP_DHCP 00546 #define LWIP_DHCP 0 00547 #endif 00548 00549 /** 00550 * DHCP_DOES_ARP_CHECK==1: Do an ARP check on the offered address. 00551 */ 00552 #ifndef DHCP_DOES_ARP_CHECK 00553 #define DHCP_DOES_ARP_CHECK ((LWIP_DHCP) && (LWIP_ARP)) 00554 #endif 00555 00556 /* 00557 ------------------------------------ 00558 ---------- AUTOIP options ---------- 00559 ------------------------------------ 00560 */ 00561 /** 00562 * LWIP_AUTOIP==1: Enable AUTOIP module. 00563 */ 00564 #ifndef LWIP_AUTOIP 00565 #define LWIP_AUTOIP 0 00566 #endif 00567 00568 /** 00569 * LWIP_DHCP_AUTOIP_COOP==1: Allow DHCP and AUTOIP to be both enabled on 00570 * the same interface at the same time. 00571 */ 00572 #ifndef LWIP_DHCP_AUTOIP_COOP 00573 #define LWIP_DHCP_AUTOIP_COOP 0 00574 #endif 00575 00576 /** 00577 * LWIP_DHCP_AUTOIP_COOP_TRIES: Set to the number of DHCP DISCOVER probes 00578 * that should be sent before falling back on AUTOIP. This can be set 00579 * as low as 1 to get an AutoIP address very quickly, but you should 00580 * be prepared to handle a changing IP address when DHCP overrides 00581 * AutoIP. 00582 */ 00583 #ifndef LWIP_DHCP_AUTOIP_COOP_TRIES 00584 #define LWIP_DHCP_AUTOIP_COOP_TRIES 9 00585 #endif 00586 00587 /* 00588 ---------------------------------- 00589 ---------- SNMP options ---------- 00590 ---------------------------------- 00591 */ 00592 /** 00593 * LWIP_SNMP==1: Turn on SNMP module. UDP must be available for SNMP 00594 * transport. 00595 */ 00596 #ifndef LWIP_SNMP 00597 #define LWIP_SNMP 0 00598 #endif 00599 00600 /** 00601 * SNMP_CONCURRENT_REQUESTS: Number of concurrent requests the module will 00602 * allow. At least one request buffer is required. 00603 */ 00604 #ifndef SNMP_CONCURRENT_REQUESTS 00605 #define SNMP_CONCURRENT_REQUESTS 1 00606 #endif 00607 00608 /** 00609 * SNMP_TRAP_DESTINATIONS: Number of trap destinations. At least one trap 00610 * destination is required 00611 */ 00612 #ifndef SNMP_TRAP_DESTINATIONS 00613 #define SNMP_TRAP_DESTINATIONS 1 00614 #endif 00615 00616 /** 00617 * SNMP_PRIVATE_MIB: 00618 */ 00619 #ifndef SNMP_PRIVATE_MIB 00620 #define SNMP_PRIVATE_MIB 0 00621 #endif 00622 00623 /** 00624 * Only allow SNMP write actions that are 'safe' (e.g. disabeling netifs is not 00625 * a safe action and disabled when SNMP_SAFE_REQUESTS = 1). 00626 * Unsafe requests are disabled by default! 00627 */ 00628 #ifndef SNMP_SAFE_REQUESTS 00629 #define SNMP_SAFE_REQUESTS 1 00630 #endif 00631 00632 /* 00633 ---------------------------------- 00634 ---------- IGMP options ---------- 00635 ---------------------------------- 00636 */ 00637 /** 00638 * LWIP_IGMP==1: Turn on IGMP module. 00639 */ 00640 #ifndef LWIP_IGMP 00641 #define LWIP_IGMP 0 00642 #endif 00643 00644 /* 00645 ---------------------------------- 00646 ---------- DNS options ----------- 00647 ---------------------------------- 00648 */ 00649 /** 00650 * LWIP_DNS==1: Turn on DNS module. UDP must be available for DNS 00651 * transport. 00652 */ 00653 #ifndef LWIP_DNS 00654 #define LWIP_DNS 0 00655 #endif 00656 00657 /** DNS maximum number of entries to maintain locally. */ 00658 #ifndef DNS_TABLE_SIZE 00659 #define DNS_TABLE_SIZE 4 00660 #endif 00661 00662 /** DNS maximum host name length supported in the name table. */ 00663 #ifndef DNS_MAX_NAME_LENGTH 00664 #define DNS_MAX_NAME_LENGTH 256 00665 #endif 00666 00667 /** The maximum of DNS servers */ 00668 #ifndef DNS_MAX_SERVERS 00669 #define DNS_MAX_SERVERS 2 00670 #endif 00671 00672 /** DNS do a name checking between the query and the response. */ 00673 #ifndef DNS_DOES_NAME_CHECK 00674 #define DNS_DOES_NAME_CHECK 1 00675 #endif 00676 00677 /** DNS use a local buffer if DNS_USES_STATIC_BUF=0, a static one if 00678 DNS_USES_STATIC_BUF=1, or a dynamic one if DNS_USES_STATIC_BUF=2. 00679 The buffer will be of size DNS_MSG_SIZE */ 00680 #ifndef DNS_USES_STATIC_BUF 00681 #define DNS_USES_STATIC_BUF 1 00682 #endif 00683 00684 /** DNS message max. size. Default value is RFC compliant. */ 00685 #ifndef DNS_MSG_SIZE 00686 #define DNS_MSG_SIZE 512 00687 #endif 00688 00689 /** DNS_LOCAL_HOSTLIST: Implements a local host-to-address list. If enabled, 00690 * you have to define 00691 * #define DNS_LOCAL_HOSTLIST_INIT {{"host1", 0x123}, {"host2", 0x234}} 00692 * (an array of structs name/address, where address is an u32_t in network 00693 * byte order). 00694 * 00695 * Instead, you can also use an external function: 00696 * #define DNS_LOOKUP_LOCAL_EXTERN(x) extern u32_t my_lookup_function(const char *name) 00697 * that returns the IP address or INADDR_NONE if not found. 00698 */ 00699 #ifndef DNS_LOCAL_HOSTLIST 00700 #define DNS_LOCAL_HOSTLIST 0 00701 #endif /* DNS_LOCAL_HOSTLIST */ 00702 00703 /** If this is turned on, the local host-list can be dynamically changed 00704 * at runtime. */ 00705 #ifndef DNS_LOCAL_HOSTLIST_IS_DYNAMIC 00706 #define DNS_LOCAL_HOSTLIST_IS_DYNAMIC 0 00707 #endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */ 00708 00709 /* 00710 --------------------------------- 00711 ---------- UDP options ---------- 00712 --------------------------------- 00713 */ 00714 /** 00715 * LWIP_UDP==1: Turn on UDP. 00716 */ 00717 #ifndef LWIP_UDP 00718 #define LWIP_UDP 1 00719 #endif 00720 00721 /** 00722 * LWIP_UDPLITE==1: Turn on UDP-Lite. (Requires LWIP_UDP) 00723 */ 00724 #ifndef LWIP_UDPLITE 00725 #define LWIP_UDPLITE 0 00726 #endif 00727 00728 /** 00729 * UDP_TTL: Default Time-To-Live value. 00730 */ 00731 #ifndef UDP_TTL 00732 #define UDP_TTL (IP_DEFAULT_TTL) 00733 #endif 00734 00735 /** 00736 * LWIP_NETBUF_RECVINFO==1: append destination addr and port to every netbuf. 00737 */ 00738 #ifndef LWIP_NETBUF_RECVINFO 00739 #define LWIP_NETBUF_RECVINFO 0 00740 #endif 00741 00742 /* 00743 --------------------------------- 00744 ---------- TCP options ---------- 00745 --------------------------------- 00746 */ 00747 /** 00748 * LWIP_TCP==1: Turn on TCP. 00749 */ 00750 #ifndef LWIP_TCP 00751 #define LWIP_TCP 1 00752 #endif 00753 00754 /** 00755 * TCP_TTL: Default Time-To-Live value. 00756 */ 00757 #ifndef TCP_TTL 00758 #define TCP_TTL (IP_DEFAULT_TTL) 00759 #endif 00760 00761 /** 00762 * TCP_WND: The size of a TCP window. This must be at least 00763 * (2 * TCP_MSS) for things to work well 00764 */ 00765 #ifndef TCP_WND 00766 #define TCP_WND (4 * TCP_MSS) 00767 #endif 00768 00769 /** 00770 * TCP_MAXRTX: Maximum number of retransmissions of data segments. 00771 */ 00772 #ifndef TCP_MAXRTX 00773 #define TCP_MAXRTX 12 00774 #endif 00775 00776 /** 00777 * TCP_SYNMAXRTX: Maximum number of retransmissions of SYN segments. 00778 */ 00779 #ifndef TCP_SYNMAXRTX 00780 #define TCP_SYNMAXRTX 6 00781 #endif 00782 00783 /** 00784 * TCP_QUEUE_OOSEQ==1: TCP will queue segments that arrive out of order. 00785 * Define to 0 if your device is low on memory. 00786 */ 00787 #ifndef TCP_QUEUE_OOSEQ 00788 #define TCP_QUEUE_OOSEQ (LWIP_TCP) 00789 #endif 00790 00791 /** 00792 * TCP_MSS: TCP Maximum segment size. (default is 536, a conservative default, 00793 * you might want to increase this.) 00794 * For the receive side, this MSS is advertised to the remote side 00795 * when opening a connection. For the transmit size, this MSS sets 00796 * an upper limit on the MSS advertised by the remote host. 00797 */ 00798 #ifndef TCP_MSS 00799 #define TCP_MSS 536 00800 #endif 00801 00802 /** 00803 * TCP_CALCULATE_EFF_SEND_MSS: "The maximum size of a segment that TCP really 00804 * sends, the 'effective send MSS,' MUST be the smaller of the send MSS (which 00805 * reflects the available reassembly buffer size at the remote host) and the 00806 * largest size permitted by the IP layer" (RFC 1122) 00807 * Setting this to 1 enables code that checks TCP_MSS against the MTU of the 00808 * netif used for a connection and limits the MSS if it would be too big otherwise. 00809 */ 00810 #ifndef TCP_CALCULATE_EFF_SEND_MSS 00811 #define TCP_CALCULATE_EFF_SEND_MSS 1 00812 #endif 00813 00814 00815 /** 00816 * TCP_SND_BUF: TCP sender buffer space (bytes). 00817 */ 00818 #ifndef TCP_SND_BUF 00819 #define TCP_SND_BUF 256 00820 #endif 00821 00822 /** 00823 * TCP_SND_QUEUELEN: TCP sender buffer space (pbufs). This must be at least 00824 * as much as (2 * TCP_SND_BUF/TCP_MSS) for things to work. 00825 */ 00826 #ifndef TCP_SND_QUEUELEN 00827 #define TCP_SND_QUEUELEN (4 * (TCP_SND_BUF)/(TCP_MSS)) 00828 #endif 00829 00830 /** 00831 * TCP_SNDLOWAT: TCP writable space (bytes). This must be less than or equal 00832 * to TCP_SND_BUF. It is the amount of space which must be available in the 00833 * TCP snd_buf for select to return writable. 00834 */ 00835 #ifndef TCP_SNDLOWAT 00836 #define TCP_SNDLOWAT ((TCP_SND_BUF)/2) 00837 #endif 00838 00839 /** 00840 * TCP_LISTEN_BACKLOG: Enable the backlog option for tcp listen pcb. 00841 */ 00842 #ifndef TCP_LISTEN_BACKLOG 00843 #define TCP_LISTEN_BACKLOG 0 00844 #endif 00845 00846 /** 00847 * The maximum allowed backlog for TCP listen netconns. 00848 * This backlog is used unless another is explicitly specified. 00849 * 0xff is the maximum (u8_t). 00850 */ 00851 #ifndef TCP_DEFAULT_LISTEN_BACKLOG 00852 #define TCP_DEFAULT_LISTEN_BACKLOG 0xff 00853 #endif 00854 00855 /** 00856 * LWIP_TCP_TIMESTAMPS==1: support the TCP timestamp option. 00857 */ 00858 #ifndef LWIP_TCP_TIMESTAMPS 00859 #define LWIP_TCP_TIMESTAMPS 0 00860 #endif 00861 00862 /** 00863 * TCP_WND_UPDATE_THRESHOLD: difference in window to trigger an 00864 * explicit window update 00865 */ 00866 #ifndef TCP_WND_UPDATE_THRESHOLD 00867 #define TCP_WND_UPDATE_THRESHOLD (TCP_WND / 4) 00868 #endif 00869 00870 /** 00871 * LWIP_EVENT_API and LWIP_CALLBACK_API: Only one of these should be set to 1. 00872 * LWIP_EVENT_API==1: The user defines lwip_tcp_event() to receive all 00873 * events (accept, sent, etc) that happen in the system. 00874 * LWIP_CALLBACK_API==1: The PCB callback function is called directly 00875 * for the event. 00876 */ 00877 #ifndef LWIP_EVENT_API 00878 #define LWIP_EVENT_API 0 00879 #define LWIP_CALLBACK_API 1 00880 #else 00881 #define LWIP_EVENT_API 1 00882 #define LWIP_CALLBACK_API 0 00883 #endif 00884 00885 00886 /* 00887 ---------------------------------- 00888 ---------- Pbuf options ---------- 00889 ---------------------------------- 00890 */ 00891 /** 00892 * PBUF_LINK_HLEN: the number of bytes that should be allocated for a 00893 * link level header. The default is 14, the standard value for 00894 * Ethernet. 00895 */ 00896 #ifndef PBUF_LINK_HLEN 00897 #define PBUF_LINK_HLEN 14 00898 #endif 00899 00900 /** 00901 * PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. The default is 00902 * designed to accomodate single full size TCP frame in one pbuf, including 00903 * TCP_MSS, IP header, and link header. 00904 */ 00905 #ifndef PBUF_POOL_BUFSIZE 00906 #define PBUF_POOL_BUFSIZE LWIP_MEM_ALIGN_SIZE(TCP_MSS+40+PBUF_LINK_HLEN) 00907 #endif 00908 00909 /* 00910 ------------------------------------------------ 00911 ---------- Network Interfaces options ---------- 00912 ------------------------------------------------ 00913 */ 00914 /** 00915 * LWIP_NETIF_HOSTNAME==1: use DHCP_OPTION_HOSTNAME with netif's hostname 00916 * field. 00917 */ 00918 #ifndef LWIP_NETIF_HOSTNAME 00919 #define LWIP_NETIF_HOSTNAME 0 00920 #endif 00921 00922 /** 00923 * LWIP_NETIF_API==1: Support netif api (in netifapi.c) 00924 */ 00925 #ifndef LWIP_NETIF_API 00926 #define LWIP_NETIF_API 0 00927 #endif 00928 00929 /** 00930 * LWIP_NETIF_STATUS_CALLBACK==1: Support a callback function whenever an interface 00931 * changes its up/down status (i.e., due to DHCP IP acquistion) 00932 */ 00933 #ifndef LWIP_NETIF_STATUS_CALLBACK 00934 #define LWIP_NETIF_STATUS_CALLBACK 0 00935 #endif 00936 00937 /** 00938 * LWIP_NETIF_LINK_CALLBACK==1: Support a callback function from an interface 00939 * whenever the link changes (i.e., link down) 00940 */ 00941 #ifndef LWIP_NETIF_LINK_CALLBACK 00942 #define LWIP_NETIF_LINK_CALLBACK 0 00943 #endif 00944 00945 /** 00946 * LWIP_NETIF_HWADDRHINT==1: Cache link-layer-address hints (e.g. table 00947 * indices) in struct netif. TCP and UDP can make use of this to prevent 00948 * scanning the ARP table for every sent packet. While this is faster for big 00949 * ARP tables or many concurrent connections, it might be counterproductive 00950 * if you have a tiny ARP table or if there never are concurrent connections. 00951 */ 00952 #ifndef LWIP_NETIF_HWADDRHINT 00953 #define LWIP_NETIF_HWADDRHINT 0 00954 #endif 00955 00956 /** 00957 * LWIP_NETIF_LOOPBACK==1: Support sending packets with a destination IP 00958 * address equal to the netif IP address, looping them back up the stack. 00959 */ 00960 #ifndef LWIP_NETIF_LOOPBACK 00961 #define LWIP_NETIF_LOOPBACK 0 00962 #endif 00963 00964 /** 00965 * LWIP_LOOPBACK_MAX_PBUFS: Maximum number of pbufs on queue for loopback 00966 * sending for each netif (0 = disabled) 00967 */ 00968 #ifndef LWIP_LOOPBACK_MAX_PBUFS 00969 #define LWIP_LOOPBACK_MAX_PBUFS 0 00970 #endif 00971 00972 /** 00973 * LWIP_NETIF_LOOPBACK_MULTITHREADING: Indicates whether threading is enabled in 00974 * the system, as netifs must change how they behave depending on this setting 00975 * for the LWIP_NETIF_LOOPBACK option to work. 00976 * Setting this is needed to avoid reentering non-reentrant functions like 00977 * tcp_input(). 00978 * LWIP_NETIF_LOOPBACK_MULTITHREADING==1: Indicates that the user is using a 00979 * multithreaded environment like tcpip.c. In this case, netif->input() 00980 * is called directly. 00981 * LWIP_NETIF_LOOPBACK_MULTITHREADING==0: Indicates a polling (or NO_SYS) setup. 00982 * The packets are put on a list and netif_poll() must be called in 00983 * the main application loop. 00984 */ 00985 #ifndef LWIP_NETIF_LOOPBACK_MULTITHREADING 00986 #define LWIP_NETIF_LOOPBACK_MULTITHREADING (!NO_SYS) 00987 #endif 00988 00989 /** 00990 * LWIP_NETIF_TX_SINGLE_PBUF: if this is set to 1, lwIP tries to put all data 00991 * to be sent into one single pbuf. This is for compatibility with DMA-enabled 00992 * MACs that do not support scatter-gather. 00993 * Beware that this might involve CPU-memcpy before transmitting that would not 00994 * be needed without this flag! Use this only if you need to! 00995 * 00996 * @todo: TCP and IP-frag do not work with this, yet: 00997 */ 00998 #ifndef LWIP_NETIF_TX_SINGLE_PBUF 00999 #define LWIP_NETIF_TX_SINGLE_PBUF 0 01000 #endif /* LWIP_NETIF_TX_SINGLE_PBUF */ 01001 01002 /* 01003 ------------------------------------ 01004 ---------- LOOPIF options ---------- 01005 ------------------------------------ 01006 */ 01007 /** 01008 * LWIP_HAVE_LOOPIF==1: Support loop interface (127.0.0.1) and loopif.c 01009 */ 01010 #ifndef LWIP_HAVE_LOOPIF 01011 #define LWIP_HAVE_LOOPIF 0 01012 #endif 01013 01014 /* 01015 ------------------------------------ 01016 ---------- SLIPIF options ---------- 01017 ------------------------------------ 01018 */ 01019 /** 01020 * LWIP_HAVE_SLIPIF==1: Support slip interface and slipif.c 01021 */ 01022 #ifndef LWIP_HAVE_SLIPIF 01023 #define LWIP_HAVE_SLIPIF 0 01024 #endif 01025 01026 /* 01027 ------------------------------------ 01028 ---------- Thread options ---------- 01029 ------------------------------------ 01030 */ 01031 /** 01032 * TCPIP_THREAD_NAME: The name assigned to the main tcpip thread. 01033 */ 01034 #ifndef TCPIP_THREAD_NAME 01035 #define TCPIP_THREAD_NAME "tcpip_thread" 01036 #endif 01037 01038 /** 01039 * TCPIP_THREAD_STACKSIZE: The stack size used by the main tcpip thread. 01040 * The stack size value itself is platform-dependent, but is passed to 01041 * sys_thread_new() when the thread is created. 01042 */ 01043 #ifndef TCPIP_THREAD_STACKSIZE 01044 #define TCPIP_THREAD_STACKSIZE 0 01045 #endif 01046 01047 /** 01048 * TCPIP_THREAD_PRIO: The priority assigned to the main tcpip thread. 01049 * The priority value itself is platform-dependent, but is passed to 01050 * sys_thread_new() when the thread is created. 01051 */ 01052 #ifndef TCPIP_THREAD_PRIO 01053 #define TCPIP_THREAD_PRIO 1 01054 #endif 01055 01056 /** 01057 * TCPIP_MBOX_SIZE: The mailbox size for the tcpip thread messages 01058 * The queue size value itself is platform-dependent, but is passed to 01059 * sys_mbox_new() when tcpip_init is called. 01060 */ 01061 #ifndef TCPIP_MBOX_SIZE 01062 #define TCPIP_MBOX_SIZE 0 01063 #endif 01064 01065 /** 01066 * SLIPIF_THREAD_NAME: The name assigned to the slipif_loop thread. 01067 */ 01068 #ifndef SLIPIF_THREAD_NAME 01069 #define SLIPIF_THREAD_NAME "slipif_loop" 01070 #endif 01071 01072 /** 01073 * SLIP_THREAD_STACKSIZE: The stack size used by the slipif_loop thread. 01074 * The stack size value itself is platform-dependent, but is passed to 01075 * sys_thread_new() when the thread is created. 01076 */ 01077 #ifndef SLIPIF_THREAD_STACKSIZE 01078 #define SLIPIF_THREAD_STACKSIZE 0 01079 #endif 01080 01081 /** 01082 * SLIPIF_THREAD_PRIO: The priority assigned to the slipif_loop thread. 01083 * The priority value itself is platform-dependent, but is passed to 01084 * sys_thread_new() when the thread is created. 01085 */ 01086 #ifndef SLIPIF_THREAD_PRIO 01087 #define SLIPIF_THREAD_PRIO 1 01088 #endif 01089 01090 /** 01091 * PPP_THREAD_NAME: The name assigned to the pppMain thread. 01092 */ 01093 #ifndef PPP_THREAD_NAME 01094 #define PPP_THREAD_NAME "pppMain" 01095 #endif 01096 01097 /** 01098 * PPP_THREAD_STACKSIZE: The stack size used by the pppMain thread. 01099 * The stack size value itself is platform-dependent, but is passed to 01100 * sys_thread_new() when the thread is created. 01101 */ 01102 #ifndef PPP_THREAD_STACKSIZE 01103 #define PPP_THREAD_STACKSIZE 0 01104 #endif 01105 01106 /** 01107 * PPP_THREAD_PRIO: The priority assigned to the pppMain thread. 01108 * The priority value itself is platform-dependent, but is passed to 01109 * sys_thread_new() when the thread is created. 01110 */ 01111 #ifndef PPP_THREAD_PRIO 01112 #define PPP_THREAD_PRIO 1 01113 #endif 01114 01115 /** 01116 * DEFAULT_THREAD_NAME: The name assigned to any other lwIP thread. 01117 */ 01118 #ifndef DEFAULT_THREAD_NAME 01119 #define DEFAULT_THREAD_NAME "lwIP" 01120 #endif 01121 01122 /** 01123 * DEFAULT_THREAD_STACKSIZE: The stack size used by any other lwIP thread. 01124 * The stack size value itself is platform-dependent, but is passed to 01125 * sys_thread_new() when the thread is created. 01126 */ 01127 #ifndef DEFAULT_THREAD_STACKSIZE 01128 #define DEFAULT_THREAD_STACKSIZE 0 01129 #endif 01130 01131 /** 01132 * DEFAULT_THREAD_PRIO: The priority assigned to any other lwIP thread. 01133 * The priority value itself is platform-dependent, but is passed to 01134 * sys_thread_new() when the thread is created. 01135 */ 01136 #ifndef DEFAULT_THREAD_PRIO 01137 #define DEFAULT_THREAD_PRIO 1 01138 #endif 01139 01140 /** 01141 * DEFAULT_RAW_RECVMBOX_SIZE: The mailbox size for the incoming packets on a 01142 * NETCONN_RAW. The queue size value itself is platform-dependent, but is passed 01143 * to sys_mbox_new() when the recvmbox is created. 01144 */ 01145 #ifndef DEFAULT_RAW_RECVMBOX_SIZE 01146 #define DEFAULT_RAW_RECVMBOX_SIZE 0 01147 #endif 01148 01149 /** 01150 * DEFAULT_UDP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a 01151 * NETCONN_UDP. The queue size value itself is platform-dependent, but is passed 01152 * to sys_mbox_new() when the recvmbox is created. 01153 */ 01154 #ifndef DEFAULT_UDP_RECVMBOX_SIZE 01155 #define DEFAULT_UDP_RECVMBOX_SIZE 0 01156 #endif 01157 01158 /** 01159 * DEFAULT_TCP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a 01160 * NETCONN_TCP. The queue size value itself is platform-dependent, but is passed 01161 * to sys_mbox_new() when the recvmbox is created. 01162 */ 01163 #ifndef DEFAULT_TCP_RECVMBOX_SIZE 01164 #define DEFAULT_TCP_RECVMBOX_SIZE 0 01165 #endif 01166 01167 /** 01168 * DEFAULT_ACCEPTMBOX_SIZE: The mailbox size for the incoming connections. 01169 * The queue size value itself is platform-dependent, but is passed to 01170 * sys_mbox_new() when the acceptmbox is created. 01171 */ 01172 #ifndef DEFAULT_ACCEPTMBOX_SIZE 01173 #define DEFAULT_ACCEPTMBOX_SIZE 0 01174 #endif 01175 01176 /* 01177 ---------------------------------------------- 01178 ---------- Sequential layer options ---------- 01179 ---------------------------------------------- 01180 */ 01181 /** 01182 * LWIP_TCPIP_CORE_LOCKING: (EXPERIMENTAL!) 01183 * Don't use it if you're not an active lwIP project member 01184 */ 01185 #ifndef LWIP_TCPIP_CORE_LOCKING 01186 #define LWIP_TCPIP_CORE_LOCKING 0 01187 #endif 01188 01189 /** 01190 * LWIP_NETCONN==1: Enable Netconn API (require to use api_lib.c) 01191 */ 01192 #ifndef LWIP_NETCONN 01193 #define LWIP_NETCONN 1 01194 #endif 01195 01196 /* 01197 ------------------------------------ 01198 ---------- Socket options ---------- 01199 ------------------------------------ 01200 */ 01201 /** 01202 * LWIP_SOCKET==1: Enable Socket API (require to use sockets.c) 01203 */ 01204 #ifndef LWIP_SOCKET 01205 #define LWIP_SOCKET 1 01206 #endif 01207 01208 /** 01209 * LWIP_COMPAT_SOCKETS==1: Enable BSD-style sockets functions names. 01210 * (only used if you use sockets.c) 01211 */ 01212 #ifndef LWIP_COMPAT_SOCKETS 01213 #define LWIP_COMPAT_SOCKETS 1 01214 #endif 01215 01216 /** 01217 * LWIP_POSIX_SOCKETS_IO_NAMES==1: Enable POSIX-style sockets functions names. 01218 * Disable this option if you use a POSIX operating system that uses the same 01219 * names (read, write & close). (only used if you use sockets.c) 01220 */ 01221 #ifndef LWIP_POSIX_SOCKETS_IO_NAMES 01222 #define LWIP_POSIX_SOCKETS_IO_NAMES 1 01223 #endif 01224 01225 /** 01226 * LWIP_TCP_KEEPALIVE==1: Enable TCP_KEEPIDLE, TCP_KEEPINTVL and TCP_KEEPCNT 01227 * options processing. Note that TCP_KEEPIDLE and TCP_KEEPINTVL have to be set 01228 * in seconds. (does not require sockets.c, and will affect tcp.c) 01229 */ 01230 #ifndef LWIP_TCP_KEEPALIVE 01231 #define LWIP_TCP_KEEPALIVE 0 01232 #endif 01233 01234 /** 01235 * LWIP_SO_RCVTIMEO==1: Enable SO_RCVTIMEO processing. 01236 */ 01237 #ifndef LWIP_SO_RCVTIMEO 01238 #define LWIP_SO_RCVTIMEO 0 01239 #endif 01240 01241 /** 01242 * LWIP_SO_RCVBUF==1: Enable SO_RCVBUF processing. 01243 */ 01244 #ifndef LWIP_SO_RCVBUF 01245 #define LWIP_SO_RCVBUF 0 01246 #endif 01247 01248 /** 01249 * If LWIP_SO_RCVBUF is used, this is the default value for recv_bufsize. 01250 */ 01251 #ifndef RECV_BUFSIZE_DEFAULT 01252 #define RECV_BUFSIZE_DEFAULT INT_MAX 01253 #endif 01254 01255 /** 01256 * SO_REUSE==1: Enable SO_REUSEADDR and SO_REUSEPORT options. DO NOT USE! 01257 */ 01258 #ifndef SO_REUSE 01259 #define SO_REUSE 0 01260 #endif 01261 01262 /* 01263 ---------------------------------------- 01264 ---------- Statistics options ---------- 01265 ---------------------------------------- 01266 */ 01267 /** 01268 * LWIP_STATS==1: Enable statistics collection in lwip_stats. 01269 */ 01270 #ifndef LWIP_STATS 01271 #define LWIP_STATS 1 01272 #endif 01273 01274 #if LWIP_STATS 01275 01276 /** 01277 * LWIP_STATS_DISPLAY==1: Compile in the statistics output functions. 01278 */ 01279 #ifndef LWIP_STATS_DISPLAY 01280 #define LWIP_STATS_DISPLAY 0 01281 #endif 01282 01283 /** 01284 * LINK_STATS==1: Enable link stats. 01285 */ 01286 #ifndef LINK_STATS 01287 #define LINK_STATS 1 01288 #endif 01289 01290 /** 01291 * ETHARP_STATS==1: Enable etharp stats. 01292 */ 01293 #ifndef ETHARP_STATS 01294 #define ETHARP_STATS (LWIP_ARP) 01295 #endif 01296 01297 /** 01298 * IP_STATS==1: Enable IP stats. 01299 */ 01300 #ifndef IP_STATS 01301 #define IP_STATS 1 01302 #endif 01303 01304 /** 01305 * IPFRAG_STATS==1: Enable IP fragmentation stats. Default is 01306 * on if using either frag or reass. 01307 */ 01308 #ifndef IPFRAG_STATS 01309 #define IPFRAG_STATS (IP_REASSEMBLY || IP_FRAG) 01310 #endif 01311 01312 /** 01313 * ICMP_STATS==1: Enable ICMP stats. 01314 */ 01315 #ifndef ICMP_STATS 01316 #define ICMP_STATS 1 01317 #endif 01318 01319 /** 01320 * IGMP_STATS==1: Enable IGMP stats. 01321 */ 01322 #ifndef IGMP_STATS 01323 #define IGMP_STATS (LWIP_IGMP) 01324 #endif 01325 01326 /** 01327 * UDP_STATS==1: Enable UDP stats. Default is on if 01328 * UDP enabled, otherwise off. 01329 */ 01330 #ifndef UDP_STATS 01331 #define UDP_STATS (LWIP_UDP) 01332 #endif 01333 01334 /** 01335 * TCP_STATS==1: Enable TCP stats. Default is on if TCP 01336 * enabled, otherwise off. 01337 */ 01338 #ifndef TCP_STATS 01339 #define TCP_STATS (LWIP_TCP) 01340 #endif 01341 01342 /** 01343 * MEM_STATS==1: Enable mem.c stats. 01344 */ 01345 #ifndef MEM_STATS 01346 #define MEM_STATS ((MEM_LIBC_MALLOC == 0) && (MEM_USE_POOLS == 0)) 01347 #endif 01348 01349 /** 01350 * MEMP_STATS==1: Enable memp.c pool stats. 01351 */ 01352 #ifndef MEMP_STATS 01353 #define MEMP_STATS (MEMP_MEM_MALLOC == 0) 01354 #endif 01355 01356 /** 01357 * SYS_STATS==1: Enable system stats (sem and mbox counts, etc). 01358 */ 01359 #ifndef SYS_STATS 01360 #define SYS_STATS (NO_SYS == 0) 01361 #endif 01362 01363 #else 01364 01365 #define LINK_STATS 0 01366 #define IP_STATS 0 01367 #define IPFRAG_STATS 0 01368 #define ICMP_STATS 0 01369 #define IGMP_STATS 0 01370 #define UDP_STATS 0 01371 #define TCP_STATS 0 01372 #define MEM_STATS 0 01373 #define MEMP_STATS 0 01374 #define SYS_STATS 0 01375 #define LWIP_STATS_DISPLAY 0 01376 01377 #endif /* LWIP_STATS */ 01378 01379 /* 01380 --------------------------------- 01381 ---------- PPP options ---------- 01382 --------------------------------- 01383 */ 01384 /** 01385 * PPP_SUPPORT==1: Enable PPP. 01386 */ 01387 #ifndef PPP_SUPPORT 01388 #define PPP_SUPPORT 0 01389 #endif 01390 01391 /** 01392 * PPPOE_SUPPORT==1: Enable PPP Over Ethernet 01393 */ 01394 #ifndef PPPOE_SUPPORT 01395 #define PPPOE_SUPPORT 0 01396 #endif 01397 01398 /** 01399 * PPPOS_SUPPORT==1: Enable PPP Over Serial 01400 */ 01401 #ifndef PPPOS_SUPPORT 01402 #define PPPOS_SUPPORT PPP_SUPPORT 01403 #endif 01404 01405 #if PPP_SUPPORT 01406 01407 /** 01408 * NUM_PPP: Max PPP sessions. 01409 */ 01410 #ifndef NUM_PPP 01411 #define NUM_PPP 1 01412 #endif 01413 01414 /** 01415 * PAP_SUPPORT==1: Support PAP. 01416 */ 01417 #ifndef PAP_SUPPORT 01418 #define PAP_SUPPORT 0 01419 #endif 01420 01421 /** 01422 * CHAP_SUPPORT==1: Support CHAP. 01423 */ 01424 #ifndef CHAP_SUPPORT 01425 #define CHAP_SUPPORT 0 01426 #endif 01427 01428 /** 01429 * MSCHAP_SUPPORT==1: Support MSCHAP. CURRENTLY NOT SUPPORTED! DO NOT SET! 01430 */ 01431 #ifndef MSCHAP_SUPPORT 01432 #define MSCHAP_SUPPORT 0 01433 #endif 01434 01435 /** 01436 * CBCP_SUPPORT==1: Support CBCP. CURRENTLY NOT SUPPORTED! DO NOT SET! 01437 */ 01438 #ifndef CBCP_SUPPORT 01439 #define CBCP_SUPPORT 0 01440 #endif 01441 01442 /** 01443 * CCP_SUPPORT==1: Support CCP. CURRENTLY NOT SUPPORTED! DO NOT SET! 01444 */ 01445 #ifndef CCP_SUPPORT 01446 #define CCP_SUPPORT 0 01447 #endif 01448 01449 /** 01450 * VJ_SUPPORT==1: Support VJ header compression. 01451 */ 01452 #ifndef VJ_SUPPORT 01453 #define VJ_SUPPORT 0 01454 #endif 01455 01456 /** 01457 * MD5_SUPPORT==1: Support MD5 (see also CHAP). 01458 */ 01459 #ifndef MD5_SUPPORT 01460 #define MD5_SUPPORT 0 01461 #endif 01462 01463 /* 01464 * Timeouts 01465 */ 01466 #ifndef FSM_DEFTIMEOUT 01467 #define FSM_DEFTIMEOUT 6 /* Timeout time in seconds */ 01468 #endif 01469 01470 #ifndef FSM_DEFMAXTERMREQS 01471 #define FSM_DEFMAXTERMREQS 2 /* Maximum Terminate-Request transmissions */ 01472 #endif 01473 01474 #ifndef FSM_DEFMAXCONFREQS 01475 #define FSM_DEFMAXCONFREQS 10 /* Maximum Configure-Request transmissions */ 01476 #endif 01477 01478 #ifndef FSM_DEFMAXNAKLOOPS 01479 #define FSM_DEFMAXNAKLOOPS 5 /* Maximum number of nak loops */ 01480 #endif 01481 01482 #ifndef UPAP_DEFTIMEOUT 01483 #define UPAP_DEFTIMEOUT 6 /* Timeout (seconds) for retransmitting req */ 01484 #endif 01485 01486 #ifndef UPAP_DEFREQTIME 01487 #define UPAP_DEFREQTIME 30 /* Time to wait for auth-req from peer */ 01488 #endif 01489 01490 #ifndef CHAP_DEFTIMEOUT 01491 #define CHAP_DEFTIMEOUT 6 /* Timeout time in seconds */ 01492 #endif 01493 01494 #ifndef CHAP_DEFTRANSMITS 01495 #define CHAP_DEFTRANSMITS 10 /* max # times to send challenge */ 01496 #endif 01497 01498 /* Interval in seconds between keepalive echo requests, 0 to disable. */ 01499 #ifndef LCP_ECHOINTERVAL 01500 #define LCP_ECHOINTERVAL 0 01501 #endif 01502 01503 /* Number of unanswered echo requests before failure. */ 01504 #ifndef LCP_MAXECHOFAILS 01505 #define LCP_MAXECHOFAILS 3 01506 #endif 01507 01508 /* Max Xmit idle time (in jiffies) before resend flag char. */ 01509 #ifndef PPP_MAXIDLEFLAG 01510 #define PPP_MAXIDLEFLAG 100 01511 #endif 01512 01513 /* 01514 * Packet sizes 01515 * 01516 * Note - lcp shouldn't be allowed to negotiate stuff outside these 01517 * limits. See lcp.h in the pppd directory. 01518 * (XXX - these constants should simply be shared by lcp.c instead 01519 * of living in lcp.h) 01520 */ 01521 #define PPP_MTU 1500 /* Default MTU (size of Info field) */ 01522 #ifndef PPP_MAXMTU 01523 /* #define PPP_MAXMTU 65535 - (PPP_HDRLEN + PPP_FCSLEN) */ 01524 #define PPP_MAXMTU 1500 /* Largest MTU we allow */ 01525 #endif 01526 #define PPP_MINMTU 64 01527 #define PPP_MRU 1500 /* default MRU = max length of info field */ 01528 #define PPP_MAXMRU 1500 /* Largest MRU we allow */ 01529 #ifndef PPP_DEFMRU 01530 #define PPP_DEFMRU 296 /* Try for this */ 01531 #endif 01532 #define PPP_MINMRU 128 /* No MRUs below this */ 01533 01534 01535 #define MAXNAMELEN 256 /* max length of hostname or name for auth */ 01536 #define MAXSECRETLEN 256 /* max length of password or secret */ 01537 01538 #endif /* PPP_SUPPORT */ 01539 01540 /* 01541 -------------------------------------- 01542 ---------- Checksum options ---------- 01543 -------------------------------------- 01544 */ 01545 /** 01546 * CHECKSUM_GEN_IP==1: Generate checksums in software for outgoing IP packets. 01547 */ 01548 #ifndef CHECKSUM_GEN_IP 01549 #define CHECKSUM_GEN_IP 1 01550 #endif 01551 01552 /** 01553 * CHECKSUM_GEN_UDP==1: Generate checksums in software for outgoing UDP packets. 01554 */ 01555 #ifndef CHECKSUM_GEN_UDP 01556 #define CHECKSUM_GEN_UDP 1 01557 #endif 01558 01559 /** 01560 * CHECKSUM_GEN_TCP==1: Generate checksums in software for outgoing TCP packets. 01561 */ 01562 #ifndef CHECKSUM_GEN_TCP 01563 #define CHECKSUM_GEN_TCP 1 01564 #endif 01565 01566 /** 01567 * CHECKSUM_CHECK_IP==1: Check checksums in software for incoming IP packets. 01568 */ 01569 #ifndef CHECKSUM_CHECK_IP 01570 #define CHECKSUM_CHECK_IP 1 01571 #endif 01572 01573 /** 01574 * CHECKSUM_CHECK_UDP==1: Check checksums in software for incoming UDP packets. 01575 */ 01576 #ifndef CHECKSUM_CHECK_UDP 01577 #define CHECKSUM_CHECK_UDP 1 01578 #endif 01579 01580 /** 01581 * CHECKSUM_CHECK_TCP==1: Check checksums in software for incoming TCP packets. 01582 */ 01583 #ifndef CHECKSUM_CHECK_TCP 01584 #define CHECKSUM_CHECK_TCP 1 01585 #endif 01586 01587 /* 01588 --------------------------------------- 01589 ---------- Debugging options ---------- 01590 --------------------------------------- 01591 */ 01592 /** 01593 * LWIP_DBG_MIN_LEVEL: After masking, the value of the debug is 01594 * compared against this value. If it is smaller, then debugging 01595 * messages are written. 01596 */ 01597 #ifndef LWIP_DBG_MIN_LEVEL 01598 #define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_OFF 01599 #endif 01600 01601 /** 01602 * LWIP_DBG_TYPES_ON: A mask that can be used to globally enable/disable 01603 * debug messages of certain types. 01604 */ 01605 #ifndef LWIP_DBG_TYPES_ON 01606 #define LWIP_DBG_TYPES_ON LWIP_DBG_ON 01607 #endif 01608 01609 /** 01610 * ETHARP_DEBUG: Enable debugging in etharp.c. 01611 */ 01612 #ifndef ETHARP_DEBUG 01613 #define ETHARP_DEBUG LWIP_DBG_OFF 01614 #endif 01615 01616 /** 01617 * NETIF_DEBUG: Enable debugging in netif.c. 01618 */ 01619 #ifndef NETIF_DEBUG 01620 #define NETIF_DEBUG LWIP_DBG_OFF 01621 #endif 01622 01623 /** 01624 * PBUF_DEBUG: Enable debugging in pbuf.c. 01625 */ 01626 #ifndef PBUF_DEBUG 01627 #define PBUF_DEBUG LWIP_DBG_OFF 01628 #endif 01629 01630 /** 01631 * API_LIB_DEBUG: Enable debugging in api_lib.c. 01632 */ 01633 #ifndef API_LIB_DEBUG 01634 #define API_LIB_DEBUG LWIP_DBG_OFF 01635 #endif 01636 01637 /** 01638 * API_MSG_DEBUG: Enable debugging in api_msg.c. 01639 */ 01640 #ifndef API_MSG_DEBUG 01641 #define API_MSG_DEBUG LWIP_DBG_OFF 01642 #endif 01643 01644 /** 01645 * SOCKETS_DEBUG: Enable debugging in sockets.c. 01646 */ 01647 #ifndef SOCKETS_DEBUG 01648 #define SOCKETS_DEBUG LWIP_DBG_OFF 01649 #endif 01650 01651 /** 01652 * ICMP_DEBUG: Enable debugging in icmp.c. 01653 */ 01654 #ifndef ICMP_DEBUG 01655 #define ICMP_DEBUG LWIP_DBG_OFF 01656 #endif 01657 01658 /** 01659 * IGMP_DEBUG: Enable debugging in igmp.c. 01660 */ 01661 #ifndef IGMP_DEBUG 01662 #define IGMP_DEBUG LWIP_DBG_OFF 01663 #endif 01664 01665 /** 01666 * INET_DEBUG: Enable debugging in inet.c. 01667 */ 01668 #ifndef INET_DEBUG 01669 #define INET_DEBUG LWIP_DBG_OFF 01670 #endif 01671 01672 /** 01673 * IP_DEBUG: Enable debugging for IP. 01674 */ 01675 #ifndef IP_DEBUG 01676 #define IP_DEBUG LWIP_DBG_OFF 01677 #endif 01678 01679 /** 01680 * IP_REASS_DEBUG: Enable debugging in ip_frag.c for both frag & reass. 01681 */ 01682 #ifndef IP_REASS_DEBUG 01683 #define IP_REASS_DEBUG LWIP_DBG_OFF 01684 #endif 01685 01686 /** 01687 * RAW_DEBUG: Enable debugging in raw.c. 01688 */ 01689 #ifndef RAW_DEBUG 01690 #define RAW_DEBUG LWIP_DBG_OFF 01691 #endif 01692 01693 /** 01694 * MEM_DEBUG: Enable debugging in mem.c. 01695 */ 01696 #ifndef MEM_DEBUG 01697 #define MEM_DEBUG LWIP_DBG_OFF 01698 #endif 01699 01700 /** 01701 * MEMP_DEBUG: Enable debugging in memp.c. 01702 */ 01703 #ifndef MEMP_DEBUG 01704 #define MEMP_DEBUG LWIP_DBG_OFF 01705 #endif 01706 01707 /** 01708 * SYS_DEBUG: Enable debugging in sys.c. 01709 */ 01710 #ifndef SYS_DEBUG 01711 #define SYS_DEBUG LWIP_DBG_OFF 01712 #endif 01713 01714 /** 01715 * TCP_DEBUG: Enable debugging for TCP. 01716 */ 01717 #ifndef TCP_DEBUG 01718 #define TCP_DEBUG LWIP_DBG_OFF 01719 #endif 01720 01721 /** 01722 * TCP_INPUT_DEBUG: Enable debugging in tcp_in.c for incoming debug. 01723 */ 01724 #ifndef TCP_INPUT_DEBUG 01725 #define TCP_INPUT_DEBUG LWIP_DBG_OFF 01726 #endif 01727 01728 /** 01729 * TCP_FR_DEBUG: Enable debugging in tcp_in.c for fast retransmit. 01730 */ 01731 #ifndef TCP_FR_DEBUG 01732 #define TCP_FR_DEBUG LWIP_DBG_OFF 01733 #endif 01734 01735 /** 01736 * TCP_RTO_DEBUG: Enable debugging in TCP for retransmit 01737 * timeout. 01738 */ 01739 #ifndef TCP_RTO_DEBUG 01740 #define TCP_RTO_DEBUG LWIP_DBG_OFF 01741 #endif 01742 01743 /** 01744 * TCP_CWND_DEBUG: Enable debugging for TCP congestion window. 01745 */ 01746 #ifndef TCP_CWND_DEBUG 01747 #define TCP_CWND_DEBUG LWIP_DBG_OFF 01748 #endif 01749 01750 /** 01751 * TCP_WND_DEBUG: Enable debugging in tcp_in.c for window updating. 01752 */ 01753 #ifndef TCP_WND_DEBUG 01754 #define TCP_WND_DEBUG LWIP_DBG_OFF 01755 #endif 01756 01757 /** 01758 * TCP_OUTPUT_DEBUG: Enable debugging in tcp_out.c output functions. 01759 */ 01760 #ifndef TCP_OUTPUT_DEBUG 01761 #define TCP_OUTPUT_DEBUG LWIP_DBG_OFF 01762 #endif 01763 01764 /** 01765 * TCP_RST_DEBUG: Enable debugging for TCP with the RST message. 01766 */ 01767 #ifndef TCP_RST_DEBUG 01768 #define TCP_RST_DEBUG LWIP_DBG_OFF 01769 #endif 01770 01771 /** 01772 * TCP_QLEN_DEBUG: Enable debugging for TCP queue lengths. 01773 */ 01774 #ifndef TCP_QLEN_DEBUG 01775 #define TCP_QLEN_DEBUG LWIP_DBG_OFF 01776 #endif 01777 01778 /** 01779 * UDP_DEBUG: Enable debugging in UDP. 01780 */ 01781 #ifndef UDP_DEBUG 01782 #define UDP_DEBUG LWIP_DBG_OFF 01783 #endif 01784 01785 /** 01786 * TCPIP_DEBUG: Enable debugging in tcpip.c. 01787 */ 01788 #ifndef TCPIP_DEBUG 01789 #define TCPIP_DEBUG LWIP_DBG_OFF 01790 #endif 01791 01792 /** 01793 * PPP_DEBUG: Enable debugging for PPP. 01794 */ 01795 #ifndef PPP_DEBUG 01796 #define PPP_DEBUG LWIP_DBG_OFF 01797 #endif 01798 01799 /** 01800 * SLIP_DEBUG: Enable debugging in slipif.c. 01801 */ 01802 #ifndef SLIP_DEBUG 01803 #define SLIP_DEBUG LWIP_DBG_OFF 01804 #endif 01805 01806 /** 01807 * DHCP_DEBUG: Enable debugging in dhcp.c. 01808 */ 01809 #ifndef DHCP_DEBUG 01810 #define DHCP_DEBUG LWIP_DBG_OFF 01811 #endif 01812 01813 /** 01814 * AUTOIP_DEBUG: Enable debugging in autoip.c. 01815 */ 01816 #ifndef AUTOIP_DEBUG 01817 #define AUTOIP_DEBUG LWIP_DBG_OFF 01818 #endif 01819 01820 /** 01821 * SNMP_MSG_DEBUG: Enable debugging for SNMP messages. 01822 */ 01823 #ifndef SNMP_MSG_DEBUG 01824 #define SNMP_MSG_DEBUG LWIP_DBG_OFF 01825 #endif 01826 01827 /** 01828 * SNMP_MIB_DEBUG: Enable debugging for SNMP MIBs. 01829 */ 01830 #ifndef SNMP_MIB_DEBUG 01831 #define SNMP_MIB_DEBUG LWIP_DBG_OFF 01832 #endif 01833 01834 /** 01835 * DNS_DEBUG: Enable debugging for DNS. 01836 */ 01837 #ifndef DNS_DEBUG 01838 #define DNS_DEBUG LWIP_DBG_OFF 01839 #endif 01840 01841 #endif /* __LWIP_OPT_H__ */
Generated on Tue Jul 12 2022 19:17:23 by 1.7.2