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opt.h

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00001 /**
00002  * @file
00003  *
00004  * lwIP Options Configuration
00005  */
00006 
00007 /*
00008  * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
00009  * All rights reserved. 
00010  * 
00011  * Redistribution and use in source and binary forms, with or without modification, 
00012  * are permitted provided that the following conditions are met:
00013  *
00014  * 1. Redistributions of source code must retain the above copyright notice,
00015  *    this list of conditions and the following disclaimer.
00016  * 2. Redistributions in binary form must reproduce the above copyright notice,
00017  *    this list of conditions and the following disclaimer in the documentation
00018  *    and/or other materials provided with the distribution.
00019  * 3. The name of the author may not be used to endorse or promote products
00020  *    derived from this software without specific prior written permission. 
00021  *
00022  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
00023  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
00024  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
00025  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
00026  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
00027  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
00028  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
00029  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
00030  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
00031  * OF SUCH DAMAGE.
00032  *
00033  * This file is part of the lwIP TCP/IP stack.
00034  * 
00035  * Author: Adam Dunkels <adam@sics.se>
00036  *
00037  */
00038 #ifndef __LWIP_OPT_H__
00039 #define __LWIP_OPT_H__
00040 
00041 /*
00042  * Include user defined options first. Anything not defined in these files
00043  * will be set to standard values. Override anything you dont like!
00044  */
00045 #include "lwipopts.h"
00046 #include "lwip/debug.h"
00047 
00048 /*
00049    -----------------------------------------------
00050    ---------- Platform specific locking ----------
00051    -----------------------------------------------
00052 */
00053 
00054 /**
00055  * SYS_LIGHTWEIGHT_PROT==1: if you want inter-task protection for certain
00056  * critical regions during buffer allocation, deallocation and memory
00057  * allocation and deallocation.
00058  */
00059 #ifndef SYS_LIGHTWEIGHT_PROT
00060 #define SYS_LIGHTWEIGHT_PROT            0
00061 #endif
00062 
00063 /** 
00064  * NO_SYS==1: Provides VERY minimal functionality. Otherwise,
00065  * use lwIP facilities.
00066  */
00067 #ifndef NO_SYS
00068 #define NO_SYS                          0
00069 #endif
00070 
00071 /**
00072  * NO_SYS_NO_TIMERS==1: Drop support for sys_timeout when NO_SYS==1
00073  * Mainly for compatibility to old versions.
00074  */
00075 #ifndef NO_SYS_NO_TIMERS
00076 #define NO_SYS_NO_TIMERS                0
00077 #endif
00078 
00079 /**
00080  * MEMCPY: override this if you have a faster implementation at hand than the
00081  * one included in your C library
00082  */
00083 #ifndef MEMCPY
00084 #define MEMCPY(dst,src,len)             memcpy(dst,src,len)
00085 #endif
00086 
00087 /**
00088  * SMEMCPY: override this with care! Some compilers (e.g. gcc) can inline a
00089  * call to memcpy() if the length is known at compile time and is small.
00090  */
00091 #ifndef SMEMCPY
00092 #define SMEMCPY(dst,src,len)            memcpy(dst,src,len)
00093 #endif
00094 
00095 /*
00096    ------------------------------------
00097    ---------- Memory options ----------
00098    ------------------------------------
00099 */
00100 /**
00101  * MEM_LIBC_MALLOC==1: Use malloc/free/realloc provided by your C-library
00102  * instead of the lwip internal allocator. Can save code size if you
00103  * already use it.
00104  */
00105 #ifndef MEM_LIBC_MALLOC
00106 #define MEM_LIBC_MALLOC                 0
00107 #endif
00108 
00109 /**
00110 * MEMP_MEM_MALLOC==1: Use mem_malloc/mem_free instead of the lwip pool allocator.
00111 * Especially useful with MEM_LIBC_MALLOC but handle with care regarding execution
00112 * speed and usage from interrupts!
00113 */
00114 #ifndef MEMP_MEM_MALLOC
00115 #define MEMP_MEM_MALLOC                 0
00116 #endif
00117 
00118 /**
00119  * MEM_ALIGNMENT: should be set to the alignment of the CPU
00120  *    4 byte alignment -> #define MEM_ALIGNMENT 4
00121  *    2 byte alignment -> #define MEM_ALIGNMENT 2
00122  */
00123 #ifndef MEM_ALIGNMENT
00124 #define MEM_ALIGNMENT                   1
00125 #endif
00126 
00127 /**
00128  * MEM_SIZE: the size of the heap memory. If the application will send
00129  * a lot of data that needs to be copied, this should be set high.
00130  */
00131 #ifndef MEM_SIZE
00132 #define MEM_SIZE                        1600
00133 #endif
00134 
00135 /**
00136  * MEMP_SEPARATE_POOLS: if defined to 1, each pool is placed in its own array.
00137  * This can be used to individually change the location of each pool.
00138  * Default is one big array for all pools
00139  */
00140 #ifndef MEMP_SEPARATE_POOLS
00141 #define MEMP_SEPARATE_POOLS             0
00142 #endif
00143 
00144 /**
00145  * MEMP_OVERFLOW_CHECK: memp overflow protection reserves a configurable
00146  * amount of bytes before and after each memp element in every pool and fills
00147  * it with a prominent default value.
00148  *    MEMP_OVERFLOW_CHECK == 0 no checking
00149  *    MEMP_OVERFLOW_CHECK == 1 checks each element when it is freed
00150  *    MEMP_OVERFLOW_CHECK >= 2 checks each element in every pool every time
00151  *      memp_malloc() or memp_free() is called (useful but slow!)
00152  */
00153 #ifndef MEMP_OVERFLOW_CHECK
00154 #define MEMP_OVERFLOW_CHECK             0
00155 #endif
00156 
00157 /**
00158  * MEMP_SANITY_CHECK==1: run a sanity check after each memp_free() to make
00159  * sure that there are no cycles in the linked lists.
00160  */
00161 #ifndef MEMP_SANITY_CHECK
00162 #define MEMP_SANITY_CHECK               0
00163 #endif
00164 
00165 /**
00166  * MEM_USE_POOLS==1: Use an alternative to malloc() by allocating from a set
00167  * of memory pools of various sizes. When mem_malloc is called, an element of
00168  * the smallest pool that can provide the length needed is returned.
00169  * To use this, MEMP_USE_CUSTOM_POOLS also has to be enabled.
00170  */
00171 #ifndef MEM_USE_POOLS
00172 #define MEM_USE_POOLS                   0
00173 #endif
00174 
00175 /**
00176  * MEM_USE_POOLS_TRY_BIGGER_POOL==1: if one malloc-pool is empty, try the next
00177  * bigger pool - WARNING: THIS MIGHT WASTE MEMORY but it can make a system more
00178  * reliable. */
00179 #ifndef MEM_USE_POOLS_TRY_BIGGER_POOL
00180 #define MEM_USE_POOLS_TRY_BIGGER_POOL   0
00181 #endif
00182 
00183 /**
00184  * MEMP_USE_CUSTOM_POOLS==1: whether to include a user file lwippools.h
00185  * that defines additional pools beyond the "standard" ones required
00186  * by lwIP. If you set this to 1, you must have lwippools.h in your 
00187  * inlude path somewhere. 
00188  */
00189 #ifndef MEMP_USE_CUSTOM_POOLS
00190 #define MEMP_USE_CUSTOM_POOLS           0
00191 #endif
00192 
00193 /**
00194  * Set this to 1 if you want to free PBUF_RAM pbufs (or call mem_free()) from
00195  * interrupt context (or another context that doesn't allow waiting for a
00196  * semaphore).
00197  * If set to 1, mem_malloc will be protected by a semaphore and SYS_ARCH_PROTECT,
00198  * while mem_free will only use SYS_ARCH_PROTECT. mem_malloc SYS_ARCH_UNPROTECTs
00199  * with each loop so that mem_free can run.
00200  *
00201  * ATTENTION: As you can see from the above description, this leads to dis-/
00202  * enabling interrupts often, which can be slow! Also, on low memory, mem_malloc
00203  * can need longer.
00204  *
00205  * If you don't want that, at least for NO_SYS=0, you can still use the following
00206  * functions to enqueue a deallocation call which then runs in the tcpip_thread
00207  * context:
00208  * - pbuf_free_callback(p);
00209  * - mem_free_callback(m);
00210  */
00211 #ifndef LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT
00212 #define LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT 0
00213 #endif
00214 
00215 /*
00216    ------------------------------------------------
00217    ---------- Internal Memory Pool Sizes ----------
00218    ------------------------------------------------
00219 */
00220 /**
00221  * MEMP_NUM_PBUF: the number of memp struct pbufs (used for PBUF_ROM and PBUF_REF).
00222  * If the application sends a lot of data out of ROM (or other static memory),
00223  * this should be set high.
00224  */
00225 #ifndef MEMP_NUM_PBUF
00226 #define MEMP_NUM_PBUF                   16
00227 #endif
00228 
00229 /**
00230  * MEMP_NUM_RAW_PCB: Number of raw connection PCBs
00231  * (requires the LWIP_RAW option)
00232  */
00233 #ifndef MEMP_NUM_RAW_PCB
00234 #define MEMP_NUM_RAW_PCB                4
00235 #endif
00236 
00237 /**
00238  * MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
00239  * per active UDP "connection".
00240  * (requires the LWIP_UDP option)
00241  */
00242 #ifndef MEMP_NUM_UDP_PCB
00243 #define MEMP_NUM_UDP_PCB                4
00244 #endif
00245 
00246 /**
00247  * MEMP_NUM_TCP_PCB: the number of simulatenously active TCP connections.
00248  * (requires the LWIP_TCP option)
00249  */
00250 #ifndef MEMP_NUM_TCP_PCB
00251 #define MEMP_NUM_TCP_PCB                5
00252 #endif
00253 
00254 /**
00255  * MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP connections.
00256  * (requires the LWIP_TCP option)
00257  */
00258 #ifndef MEMP_NUM_TCP_PCB_LISTEN
00259 #define MEMP_NUM_TCP_PCB_LISTEN         8
00260 #endif
00261 
00262 /**
00263  * MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP segments.
00264  * (requires the LWIP_TCP option)
00265  */
00266 #ifndef MEMP_NUM_TCP_SEG
00267 #define MEMP_NUM_TCP_SEG                16
00268 #endif
00269 
00270 /**
00271  * MEMP_NUM_REASSDATA: the number of IP packets simultaneously queued for
00272  * reassembly (whole packets, not fragments!)
00273  */
00274 #ifndef MEMP_NUM_REASSDATA
00275 #define MEMP_NUM_REASSDATA              5
00276 #endif
00277 
00278 /**
00279  * MEMP_NUM_FRAG_PBUF: the number of IP fragments simultaneously sent
00280  * (fragments, not whole packets!).
00281  * This is only used with IP_FRAG_USES_STATIC_BUF==0 and
00282  * LWIP_NETIF_TX_SINGLE_PBUF==0 and only has to be > 1 with DMA-enabled MACs
00283  * where the packet is not yet sent when netif->output returns.
00284  */
00285 #ifndef MEMP_NUM_FRAG_PBUF
00286 #define MEMP_NUM_FRAG_PBUF              15
00287 #endif
00288 
00289 /**
00290  * MEMP_NUM_ARP_QUEUE: the number of simulateously queued outgoing
00291  * packets (pbufs) that are waiting for an ARP request (to resolve
00292  * their destination address) to finish.
00293  * (requires the ARP_QUEUEING option)
00294  */
00295 #ifndef MEMP_NUM_ARP_QUEUE
00296 #define MEMP_NUM_ARP_QUEUE              30
00297 #endif
00298 
00299 /**
00300  * MEMP_NUM_IGMP_GROUP: The number of multicast groups whose network interfaces
00301  * can be members et the same time (one per netif - allsystems group -, plus one
00302  * per netif membership).
00303  * (requires the LWIP_IGMP option)
00304  */
00305 #ifndef MEMP_NUM_IGMP_GROUP
00306 #define MEMP_NUM_IGMP_GROUP             8
00307 #endif
00308 
00309 /**
00310  * MEMP_NUM_SYS_TIMEOUT: the number of simulateously active timeouts.
00311  * (requires NO_SYS==0)
00312  */
00313 #ifndef MEMP_NUM_SYS_TIMEOUT
00314 #define MEMP_NUM_SYS_TIMEOUT            3
00315 #endif
00316 
00317 /**
00318  * MEMP_NUM_NETBUF: the number of struct netbufs.
00319  * (only needed if you use the sequential API, like api_lib.c)
00320  */
00321 #ifndef MEMP_NUM_NETBUF
00322 #define MEMP_NUM_NETBUF                 2
00323 #endif
00324 
00325 /**
00326  * MEMP_NUM_NETCONN: the number of struct netconns.
00327  * (only needed if you use the sequential API, like api_lib.c)
00328  */
00329 #ifndef MEMP_NUM_NETCONN
00330 #define MEMP_NUM_NETCONN                4
00331 #endif
00332 
00333 /**
00334  * MEMP_NUM_TCPIP_MSG_API: the number of struct tcpip_msg, which are used
00335  * for callback/timeout API communication. 
00336  * (only needed if you use tcpip.c)
00337  */
00338 #ifndef MEMP_NUM_TCPIP_MSG_API
00339 #define MEMP_NUM_TCPIP_MSG_API          8
00340 #endif
00341 
00342 /**
00343  * MEMP_NUM_TCPIP_MSG_INPKT: the number of struct tcpip_msg, which are used
00344  * for incoming packets. 
00345  * (only needed if you use tcpip.c)
00346  */
00347 #ifndef MEMP_NUM_TCPIP_MSG_INPKT
00348 #define MEMP_NUM_TCPIP_MSG_INPKT        8
00349 #endif
00350 
00351 /**
00352  * MEMP_NUM_SNMP_NODE: the number of leafs in the SNMP tree.
00353  */
00354 #ifndef MEMP_NUM_SNMP_NODE
00355 #define MEMP_NUM_SNMP_NODE              50
00356 #endif
00357 
00358 /**
00359  * MEMP_NUM_SNMP_ROOTNODE: the number of branches in the SNMP tree.
00360  * Every branch has one leaf (MEMP_NUM_SNMP_NODE) at least!
00361  */
00362 #ifndef MEMP_NUM_SNMP_ROOTNODE
00363 #define MEMP_NUM_SNMP_ROOTNODE          30
00364 #endif
00365 
00366 /**
00367  * MEMP_NUM_SNMP_VARBIND: the number of concurrent requests (does not have to
00368  * be changed normally) - 2 of these are used per request (1 for input,
00369  * 1 for output)
00370  */
00371 #ifndef MEMP_NUM_SNMP_VARBIND
00372 #define MEMP_NUM_SNMP_VARBIND           2
00373 #endif
00374 
00375 /**
00376  * MEMP_NUM_SNMP_VALUE: the number of OID or values concurrently used
00377  * (does not have to be changed normally) - 3 of these are used per request
00378  * (1 for the value read and 2 for OIDs - input and output)
00379  */
00380 #ifndef MEMP_NUM_SNMP_VALUE
00381 #define MEMP_NUM_SNMP_VALUE             3
00382 #endif
00383 
00384 /**
00385  * MEMP_NUM_NETDB: the number of concurrently running lwip_addrinfo() calls
00386  * (before freeing the corresponding memory using lwip_freeaddrinfo()).
00387  */
00388 #ifndef MEMP_NUM_NETDB
00389 #define MEMP_NUM_NETDB                  1
00390 #endif
00391 
00392 /**
00393  * MEMP_NUM_LOCALHOSTLIST: the number of host entries in the local host list
00394  * if DNS_LOCAL_HOSTLIST_IS_DYNAMIC==1.
00395  */
00396 #ifndef MEMP_NUM_LOCALHOSTLIST
00397 #define MEMP_NUM_LOCALHOSTLIST          1
00398 #endif
00399 
00400 /**
00401  * MEMP_NUM_PPPOE_INTERFACES: the number of concurrently active PPPoE
00402  * interfaces (only used with PPPOE_SUPPORT==1)
00403  */
00404 #ifndef MEMP_NUM_PPPOE_INTERFACES
00405 #define MEMP_NUM_PPPOE_INTERFACES       1
00406 #endif
00407 
00408 /**
00409  * PBUF_POOL_SIZE: the number of buffers in the pbuf pool. 
00410  */
00411 #ifndef PBUF_POOL_SIZE
00412 #define PBUF_POOL_SIZE                  16
00413 #endif
00414 
00415 /*
00416    ---------------------------------
00417    ---------- ARP options ----------
00418    ---------------------------------
00419 */
00420 /**
00421  * LWIP_ARP==1: Enable ARP functionality.
00422  */
00423 #ifndef LWIP_ARP
00424 #define LWIP_ARP                        1
00425 #endif
00426 
00427 /**
00428  * ARP_TABLE_SIZE: Number of active MAC-IP address pairs cached.
00429  */
00430 #ifndef ARP_TABLE_SIZE
00431 #define ARP_TABLE_SIZE                  10
00432 #endif
00433 
00434 /**
00435  * ARP_QUEUEING==1: Multiple outgoing packets are queued during hardware address
00436  * resolution. By default, only the most recent packet is queued per IP address.
00437  * This is sufficient for most protocols and mainly reduces TCP connection
00438  * startup time. Set this to 1 if you know your application sends more than one
00439  * packet in a row to an IP address that is not in the ARP cache.
00440  */
00441 #ifndef ARP_QUEUEING
00442 #define ARP_QUEUEING                    0
00443 #endif
00444 
00445 /**
00446  * ETHARP_TRUST_IP_MAC==1: Incoming IP packets cause the ARP table to be
00447  * updated with the source MAC and IP addresses supplied in the packet.
00448  * You may want to disable this if you do not trust LAN peers to have the
00449  * correct addresses, or as a limited approach to attempt to handle
00450  * spoofing. If disabled, lwIP will need to make a new ARP request if
00451  * the peer is not already in the ARP table, adding a little latency.
00452  * The peer *is* in the ARP table if it requested our address before.
00453  * Also notice that this slows down input processing of every IP packet!
00454  */
00455 #ifndef ETHARP_TRUST_IP_MAC
00456 #define ETHARP_TRUST_IP_MAC             0
00457 #endif
00458 
00459 /**
00460  * ETHARP_SUPPORT_VLAN==1: support receiving ethernet packets with VLAN header.
00461  * Additionally, you can define ETHARP_VLAN_CHECK to an u16_t VLAN ID to check.
00462  * If ETHARP_VLAN_CHECK is defined, only VLAN-traffic for this VLAN is accepted.
00463  * If ETHARP_VLAN_CHECK is not defined, all traffic is accepted.
00464  */
00465 #ifndef ETHARP_SUPPORT_VLAN
00466 #define ETHARP_SUPPORT_VLAN             0
00467 #endif
00468 
00469 /** LWIP_ETHERNET==1: enable ethernet support for PPPoE even though ARP
00470  * might be disabled
00471  */
00472 #ifndef LWIP_ETHERNET
00473 #define LWIP_ETHERNET                   (LWIP_ARP || PPPOE_SUPPORT)
00474 #endif
00475 
00476 /** ETH_PAD_SIZE: number of bytes added before the ethernet header to ensure
00477  * alignment of payload after that header. Since the header is 14 bytes long,
00478  * without this padding e.g. addresses in the IP header will not be aligned
00479  * on a 32-bit boundary, so setting this to 2 can speed up 32-bit-platforms.
00480  */
00481 #ifndef ETH_PAD_SIZE
00482 #define ETH_PAD_SIZE                    0
00483 #endif
00484 
00485 /** ETHARP_SUPPORT_STATIC_ENTRIES==1: enable code to support static ARP table
00486  * entries (using etharp_add_static_entry/etharp_remove_static_entry).
00487  */
00488 #ifndef ETHARP_SUPPORT_STATIC_ENTRIES
00489 #define ETHARP_SUPPORT_STATIC_ENTRIES   0
00490 #endif
00491 
00492 
00493 /*
00494    --------------------------------
00495    ---------- IP options ----------
00496    --------------------------------
00497 */
00498 /**
00499  * IP_FORWARD==1: Enables the ability to forward IP packets across network
00500  * interfaces. If you are going to run lwIP on a device with only one network
00501  * interface, define this to 0.
00502  */
00503 #ifndef IP_FORWARD
00504 #define IP_FORWARD                      0
00505 #endif
00506 
00507 /**
00508  * IP_OPTIONS_ALLOWED: Defines the behavior for IP options.
00509  *      IP_OPTIONS_ALLOWED==0: All packets with IP options are dropped.
00510  *      IP_OPTIONS_ALLOWED==1: IP options are allowed (but not parsed).
00511  */
00512 #ifndef IP_OPTIONS_ALLOWED
00513 #define IP_OPTIONS_ALLOWED              1
00514 #endif
00515 
00516 /**
00517  * IP_REASSEMBLY==1: Reassemble incoming fragmented IP packets. Note that
00518  * this option does not affect outgoing packet sizes, which can be controlled
00519  * via IP_FRAG.
00520  */
00521 #ifndef IP_REASSEMBLY
00522 #define IP_REASSEMBLY                   1
00523 #endif
00524 
00525 /**
00526  * IP_FRAG==1: Fragment outgoing IP packets if their size exceeds MTU. Note
00527  * that this option does not affect incoming packet sizes, which can be
00528  * controlled via IP_REASSEMBLY.
00529  */
00530 #ifndef IP_FRAG
00531 #define IP_FRAG                         1
00532 #endif
00533 
00534 /**
00535  * IP_REASS_MAXAGE: Maximum time (in multiples of IP_TMR_INTERVAL - so seconds, normally)
00536  * a fragmented IP packet waits for all fragments to arrive. If not all fragments arrived
00537  * in this time, the whole packet is discarded.
00538  */
00539 #ifndef IP_REASS_MAXAGE
00540 #define IP_REASS_MAXAGE                 3
00541 #endif
00542 
00543 /**
00544  * IP_REASS_MAX_PBUFS: Total maximum amount of pbufs waiting to be reassembled.
00545  * Since the received pbufs are enqueued, be sure to configure
00546  * PBUF_POOL_SIZE > IP_REASS_MAX_PBUFS so that the stack is still able to receive
00547  * packets even if the maximum amount of fragments is enqueued for reassembly!
00548  */
00549 #ifndef IP_REASS_MAX_PBUFS
00550 #define IP_REASS_MAX_PBUFS              10
00551 #endif
00552 
00553 /**
00554  * IP_FRAG_USES_STATIC_BUF==1: Use a static MTU-sized buffer for IP
00555  * fragmentation. Otherwise pbufs are allocated and reference the original
00556  * packet data to be fragmented (or with LWIP_NETIF_TX_SINGLE_PBUF==1,
00557  * new PBUF_RAM pbufs are used for fragments).
00558  * ATTENTION: IP_FRAG_USES_STATIC_BUF==1 may not be used for DMA-enabled MACs!
00559  */
00560 #ifndef IP_FRAG_USES_STATIC_BUF
00561 #define IP_FRAG_USES_STATIC_BUF         0
00562 #endif
00563 
00564 /**
00565  * IP_FRAG_MAX_MTU: Assumed max MTU on any interface for IP frag buffer
00566  * (requires IP_FRAG_USES_STATIC_BUF==1)
00567  */
00568 #if IP_FRAG_USES_STATIC_BUF && !defined(IP_FRAG_MAX_MTU)
00569 #define IP_FRAG_MAX_MTU                 1500
00570 #endif
00571 
00572 /**
00573  * IP_DEFAULT_TTL: Default value for Time-To-Live used by transport layers.
00574  */
00575 #ifndef IP_DEFAULT_TTL
00576 #define IP_DEFAULT_TTL                  255
00577 #endif
00578 
00579 /**
00580  * IP_SOF_BROADCAST=1: Use the SOF_BROADCAST field to enable broadcast
00581  * filter per pcb on udp and raw send operations. To enable broadcast filter
00582  * on recv operations, you also have to set IP_SOF_BROADCAST_RECV=1.
00583  */
00584 #ifndef IP_SOF_BROADCAST
00585 #define IP_SOF_BROADCAST                0
00586 #endif
00587 
00588 /**
00589  * IP_SOF_BROADCAST_RECV (requires IP_SOF_BROADCAST=1) enable the broadcast
00590  * filter on recv operations.
00591  */
00592 #ifndef IP_SOF_BROADCAST_RECV
00593 #define IP_SOF_BROADCAST_RECV           0
00594 #endif
00595 
00596 /*
00597    ----------------------------------
00598    ---------- ICMP options ----------
00599    ----------------------------------
00600 */
00601 /**
00602  * LWIP_ICMP==1: Enable ICMP module inside the IP stack.
00603  * Be careful, disable that make your product non-compliant to RFC1122
00604  */
00605 #ifndef LWIP_ICMP
00606 #define LWIP_ICMP                       1
00607 #endif
00608 
00609 /**
00610  * ICMP_TTL: Default value for Time-To-Live used by ICMP packets.
00611  */
00612 #ifndef ICMP_TTL
00613 #define ICMP_TTL                       (IP_DEFAULT_TTL)
00614 #endif
00615 
00616 /**
00617  * LWIP_BROADCAST_PING==1: respond to broadcast pings (default is unicast only)
00618  */
00619 #ifndef LWIP_BROADCAST_PING
00620 #define LWIP_BROADCAST_PING             0
00621 #endif
00622 
00623 /**
00624  * LWIP_MULTICAST_PING==1: respond to multicast pings (default is unicast only)
00625  */
00626 #ifndef LWIP_MULTICAST_PING
00627 #define LWIP_MULTICAST_PING             0
00628 #endif
00629 
00630 /*
00631    ---------------------------------
00632    ---------- RAW options ----------
00633    ---------------------------------
00634 */
00635 /**
00636  * LWIP_RAW==1: Enable application layer to hook into the IP layer itself.
00637  */
00638 #ifndef LWIP_RAW
00639 #define LWIP_RAW                        1
00640 #endif
00641 
00642 /**
00643  * LWIP_RAW==1: Enable application layer to hook into the IP layer itself.
00644  */
00645 #ifndef RAW_TTL
00646 #define RAW_TTL                        (IP_DEFAULT_TTL)
00647 #endif
00648 
00649 /*
00650    ----------------------------------
00651    ---------- DHCP options ----------
00652    ----------------------------------
00653 */
00654 /**
00655  * LWIP_DHCP==1: Enable DHCP module.
00656  */
00657 #ifndef LWIP_DHCP
00658 #define LWIP_DHCP                       0
00659 #endif
00660 
00661 /**
00662  * DHCP_DOES_ARP_CHECK==1: Do an ARP check on the offered address.
00663  */
00664 #ifndef DHCP_DOES_ARP_CHECK
00665 #define DHCP_DOES_ARP_CHECK             ((LWIP_DHCP) && (LWIP_ARP))
00666 #endif
00667 
00668 /*
00669    ------------------------------------
00670    ---------- AUTOIP options ----------
00671    ------------------------------------
00672 */
00673 /**
00674  * LWIP_AUTOIP==1: Enable AUTOIP module.
00675  */
00676 #ifndef LWIP_AUTOIP
00677 #define LWIP_AUTOIP                     0
00678 #endif
00679 
00680 /**
00681  * LWIP_DHCP_AUTOIP_COOP==1: Allow DHCP and AUTOIP to be both enabled on
00682  * the same interface at the same time.
00683  */
00684 #ifndef LWIP_DHCP_AUTOIP_COOP
00685 #define LWIP_DHCP_AUTOIP_COOP           0
00686 #endif
00687 
00688 /**
00689  * LWIP_DHCP_AUTOIP_COOP_TRIES: Set to the number of DHCP DISCOVER probes
00690  * that should be sent before falling back on AUTOIP. This can be set
00691  * as low as 1 to get an AutoIP address very quickly, but you should
00692  * be prepared to handle a changing IP address when DHCP overrides
00693  * AutoIP.
00694  */
00695 #ifndef LWIP_DHCP_AUTOIP_COOP_TRIES
00696 #define LWIP_DHCP_AUTOIP_COOP_TRIES     9
00697 #endif
00698 
00699 /*
00700    ----------------------------------
00701    ---------- SNMP options ----------
00702    ----------------------------------
00703 */
00704 /**
00705  * LWIP_SNMP==1: Turn on SNMP module. UDP must be available for SNMP
00706  * transport.
00707  */
00708 #ifndef LWIP_SNMP
00709 #define LWIP_SNMP                       0
00710 #endif
00711 
00712 /**
00713  * SNMP_CONCURRENT_REQUESTS: Number of concurrent requests the module will
00714  * allow. At least one request buffer is required.
00715  * Does not have to be changed unless external MIBs answer request asynchronously
00716  */
00717 #ifndef SNMP_CONCURRENT_REQUESTS
00718 #define SNMP_CONCURRENT_REQUESTS        1
00719 #endif
00720 
00721 /**
00722  * SNMP_TRAP_DESTINATIONS: Number of trap destinations. At least one trap
00723  * destination is required
00724  */
00725 #ifndef SNMP_TRAP_DESTINATIONS
00726 #define SNMP_TRAP_DESTINATIONS          1
00727 #endif
00728 
00729 /**
00730  * SNMP_PRIVATE_MIB: 
00731  * When using a private MIB, you have to create a file 'private_mib.h' that contains
00732  * a 'struct mib_array_node mib_private' which contains your MIB.
00733  */
00734 #ifndef SNMP_PRIVATE_MIB
00735 #define SNMP_PRIVATE_MIB                0
00736 #endif
00737 
00738 /**
00739  * Only allow SNMP write actions that are 'safe' (e.g. disabeling netifs is not
00740  * a safe action and disabled when SNMP_SAFE_REQUESTS = 1).
00741  * Unsafe requests are disabled by default!
00742  */
00743 #ifndef SNMP_SAFE_REQUESTS
00744 #define SNMP_SAFE_REQUESTS              1
00745 #endif
00746 
00747 /**
00748  * The maximum length of strings used. This affects the size of
00749  * MEMP_SNMP_VALUE elements.
00750  */
00751 #ifndef SNMP_MAX_OCTET_STRING_LEN
00752 #define SNMP_MAX_OCTET_STRING_LEN       127
00753 #endif
00754 
00755 /**
00756  * The maximum depth of the SNMP tree.
00757  * With private MIBs enabled, this depends on your MIB!
00758  * This affects the size of MEMP_SNMP_VALUE elements.
00759  */
00760 #ifndef SNMP_MAX_TREE_DEPTH
00761 #define SNMP_MAX_TREE_DEPTH             15
00762 #endif
00763 
00764 /**
00765  * The size of the MEMP_SNMP_VALUE elements, normally calculated from
00766  * SNMP_MAX_OCTET_STRING_LEN and SNMP_MAX_TREE_DEPTH.
00767  */
00768 #ifndef SNMP_MAX_VALUE_SIZE
00769 #define SNMP_MAX_VALUE_SIZE             LWIP_MAX((SNMP_MAX_OCTET_STRING_LEN)+1, sizeof(s32_t)*(SNMP_MAX_TREE_DEPTH))
00770 #endif
00771 
00772 /*
00773    ----------------------------------
00774    ---------- IGMP options ----------
00775    ----------------------------------
00776 */
00777 /**
00778  * LWIP_IGMP==1: Turn on IGMP module. 
00779  */
00780 #ifndef LWIP_IGMP
00781 #define LWIP_IGMP                       0
00782 #endif
00783 
00784 /*
00785    ----------------------------------
00786    ---------- DNS options -----------
00787    ----------------------------------
00788 */
00789 /**
00790  * LWIP_DNS==1: Turn on DNS module. UDP must be available for DNS
00791  * transport.
00792  */
00793 #ifndef LWIP_DNS
00794 #define LWIP_DNS                        0
00795 #endif
00796 
00797 /** DNS maximum number of entries to maintain locally. */
00798 #ifndef DNS_TABLE_SIZE
00799 #define DNS_TABLE_SIZE                  4
00800 #endif
00801 
00802 /** DNS maximum host name length supported in the name table. */
00803 #ifndef DNS_MAX_NAME_LENGTH
00804 #define DNS_MAX_NAME_LENGTH             256
00805 #endif
00806 
00807 /** The maximum of DNS servers */
00808 #ifndef DNS_MAX_SERVERS
00809 #define DNS_MAX_SERVERS                 2
00810 #endif
00811 
00812 /** DNS do a name checking between the query and the response. */
00813 #ifndef DNS_DOES_NAME_CHECK
00814 #define DNS_DOES_NAME_CHECK             1
00815 #endif
00816 
00817 /** DNS message max. size. Default value is RFC compliant. */
00818 #ifndef DNS_MSG_SIZE
00819 #define DNS_MSG_SIZE                    512
00820 #endif
00821 
00822 /** DNS_LOCAL_HOSTLIST: Implements a local host-to-address list. If enabled,
00823  *  you have to define
00824  *    #define DNS_LOCAL_HOSTLIST_INIT {{"host1", 0x123}, {"host2", 0x234}}
00825  *  (an array of structs name/address, where address is an u32_t in network
00826  *  byte order).
00827  *
00828  *  Instead, you can also use an external function:
00829  *  #define DNS_LOOKUP_LOCAL_EXTERN(x) extern u32_t my_lookup_function(const char *name)
00830  *  that returns the IP address or INADDR_NONE if not found.
00831  */
00832 #ifndef DNS_LOCAL_HOSTLIST
00833 #define DNS_LOCAL_HOSTLIST              0
00834 #endif /* DNS_LOCAL_HOSTLIST */
00835 
00836 /** If this is turned on, the local host-list can be dynamically changed
00837  *  at runtime. */
00838 #ifndef DNS_LOCAL_HOSTLIST_IS_DYNAMIC
00839 #define DNS_LOCAL_HOSTLIST_IS_DYNAMIC   0
00840 #endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */
00841 
00842 /*
00843    ---------------------------------
00844    ---------- UDP options ----------
00845    ---------------------------------
00846 */
00847 /**
00848  * LWIP_UDP==1: Turn on UDP.
00849  */
00850 #ifndef LWIP_UDP
00851 #define LWIP_UDP                        1
00852 #endif
00853 
00854 /**
00855  * LWIP_UDPLITE==1: Turn on UDP-Lite. (Requires LWIP_UDP)
00856  */
00857 #ifndef LWIP_UDPLITE
00858 #define LWIP_UDPLITE                    0
00859 #endif
00860 
00861 /**
00862  * UDP_TTL: Default Time-To-Live value.
00863  */
00864 #ifndef UDP_TTL
00865 #define UDP_TTL                         (IP_DEFAULT_TTL)
00866 #endif
00867 
00868 /**
00869  * LWIP_NETBUF_RECVINFO==1: append destination addr and port to every netbuf.
00870  */
00871 #ifndef LWIP_NETBUF_RECVINFO
00872 #define LWIP_NETBUF_RECVINFO            0
00873 #endif
00874 
00875 /*
00876    ---------------------------------
00877    ---------- TCP options ----------
00878    ---------------------------------
00879 */
00880 /**
00881  * LWIP_TCP==1: Turn on TCP.
00882  */
00883 #ifndef LWIP_TCP
00884 #define LWIP_TCP                        1
00885 #endif
00886 
00887 /**
00888  * TCP_TTL: Default Time-To-Live value.
00889  */
00890 #ifndef TCP_TTL
00891 #define TCP_TTL                         (IP_DEFAULT_TTL)
00892 #endif
00893 
00894 /**
00895  * TCP_WND: The size of a TCP window.  This must be at least 
00896  * (2 * TCP_MSS) for things to work well
00897  */
00898 #ifndef TCP_WND
00899 #define TCP_WND                         (4 * TCP_MSS)
00900 #endif 
00901 
00902 /**
00903  * TCP_MAXRTX: Maximum number of retransmissions of data segments.
00904  */
00905 #ifndef TCP_MAXRTX
00906 #define TCP_MAXRTX                      12
00907 #endif
00908 
00909 /**
00910  * TCP_SYNMAXRTX: Maximum number of retransmissions of SYN segments.
00911  */
00912 #ifndef TCP_SYNMAXRTX
00913 #define TCP_SYNMAXRTX                   6
00914 #endif
00915 
00916 /**
00917  * TCP_QUEUE_OOSEQ==1: TCP will queue segments that arrive out of order.
00918  * Define to 0 if your device is low on memory.
00919  */
00920 #ifndef TCP_QUEUE_OOSEQ
00921 #define TCP_QUEUE_OOSEQ                 (LWIP_TCP)
00922 #endif
00923 
00924 /**
00925  * TCP_MSS: TCP Maximum segment size. (default is 536, a conservative default,
00926  * you might want to increase this.)
00927  * For the receive side, this MSS is advertised to the remote side
00928  * when opening a connection. For the transmit size, this MSS sets
00929  * an upper limit on the MSS advertised by the remote host.
00930  */
00931 #ifndef TCP_MSS
00932 #define TCP_MSS                         536
00933 #endif
00934 
00935 /**
00936  * TCP_CALCULATE_EFF_SEND_MSS: "The maximum size of a segment that TCP really
00937  * sends, the 'effective send MSS,' MUST be the smaller of the send MSS (which
00938  * reflects the available reassembly buffer size at the remote host) and the
00939  * largest size permitted by the IP layer" (RFC 1122)
00940  * Setting this to 1 enables code that checks TCP_MSS against the MTU of the
00941  * netif used for a connection and limits the MSS if it would be too big otherwise.
00942  */
00943 #ifndef TCP_CALCULATE_EFF_SEND_MSS
00944 #define TCP_CALCULATE_EFF_SEND_MSS      1
00945 #endif
00946 
00947 
00948 /**
00949  * TCP_SND_BUF: TCP sender buffer space (bytes). 
00950  */
00951 #ifndef TCP_SND_BUF
00952 #define TCP_SND_BUF                     256
00953 #endif
00954 
00955 /**
00956  * TCP_SND_QUEUELEN: TCP sender buffer space (pbufs). This must be at least
00957  * as much as (2 * TCP_SND_BUF/TCP_MSS) for things to work.
00958  */
00959 #ifndef TCP_SND_QUEUELEN
00960 #define TCP_SND_QUEUELEN                ((4 * (TCP_SND_BUF) + (TCP_MSS - 1))/(TCP_MSS))
00961 #endif
00962 
00963 /**
00964  * TCP_SNDLOWAT: TCP writable space (bytes). This must be less than
00965  * TCP_SND_BUF. It is the amount of space which must be available in the
00966  * TCP snd_buf for select to return writable (combined with TCP_SNDQUEUELOWAT).
00967  */
00968 #ifndef TCP_SNDLOWAT
00969 #define TCP_SNDLOWAT                    ((TCP_SND_BUF)/2)
00970 #endif
00971 
00972 /**
00973  * TCP_SNDQUEUELOWAT: TCP writable bufs (pbuf count). This must be grater
00974  * than TCP_SND_QUEUELEN. If the number of pbufs queued on a pcb drops below
00975  * this number, select returns writable (combined with TCP_SNDLOWAT).
00976  */
00977 #ifndef TCP_SNDQUEUELOWAT
00978 #define TCP_SNDQUEUELOWAT               ((TCP_SND_QUEUELEN)/2)
00979 #endif
00980 
00981 /**
00982  * TCP_LISTEN_BACKLOG: Enable the backlog option for tcp listen pcb.
00983  */
00984 #ifndef TCP_LISTEN_BACKLOG
00985 #define TCP_LISTEN_BACKLOG              0
00986 #endif
00987 
00988 /**
00989  * The maximum allowed backlog for TCP listen netconns.
00990  * This backlog is used unless another is explicitly specified.
00991  * 0xff is the maximum (u8_t).
00992  */
00993 #ifndef TCP_DEFAULT_LISTEN_BACKLOG
00994 #define TCP_DEFAULT_LISTEN_BACKLOG      0xff
00995 #endif
00996 
00997 /**
00998  * TCP_OVERSIZE: The maximum number of bytes that tcp_write may
00999  * allocate ahead of time in an attempt to create shorter pbuf chains
01000  * for transmission. The meaningful range is 0 to TCP_MSS. Some
01001  * suggested values are:
01002  *
01003  * 0:         Disable oversized allocation. Each tcp_write() allocates a new
01004               pbuf (old behaviour).
01005  * 1:         Allocate size-aligned pbufs with minimal excess. Use this if your
01006  *            scatter-gather DMA requires aligned fragments.
01007  * 128:       Limit the pbuf/memory overhead to 20%.
01008  * TCP_MSS:   Try to create unfragmented TCP packets.
01009  * TCP_MSS/4: Try to create 4 fragments or less per TCP packet.
01010  */
01011 #ifndef TCP_OVERSIZE
01012 #define TCP_OVERSIZE                    TCP_MSS
01013 #endif
01014 
01015 /**
01016  * LWIP_TCP_TIMESTAMPS==1: support the TCP timestamp option.
01017  */
01018 #ifndef LWIP_TCP_TIMESTAMPS
01019 #define LWIP_TCP_TIMESTAMPS             0
01020 #endif
01021 
01022 /**
01023  * TCP_WND_UPDATE_THRESHOLD: difference in window to trigger an
01024  * explicit window update
01025  */
01026 #ifndef TCP_WND_UPDATE_THRESHOLD
01027 #define TCP_WND_UPDATE_THRESHOLD   (TCP_WND / 4)
01028 #endif
01029 
01030 /**
01031  * LWIP_EVENT_API and LWIP_CALLBACK_API: Only one of these should be set to 1.
01032  *     LWIP_EVENT_API==1: The user defines lwip_tcp_event() to receive all
01033  *         events (accept, sent, etc) that happen in the system.
01034  *     LWIP_CALLBACK_API==1: The PCB callback function is called directly
01035  *         for the event.
01036  */
01037 #ifndef LWIP_EVENT_API
01038 #define LWIP_EVENT_API                  0
01039 #define LWIP_CALLBACK_API               1
01040 #else 
01041 #define LWIP_EVENT_API                  1
01042 #define LWIP_CALLBACK_API               0
01043 #endif
01044 
01045 
01046 /*
01047    ----------------------------------
01048    ---------- Pbuf options ----------
01049    ----------------------------------
01050 */
01051 /**
01052  * PBUF_LINK_HLEN: the number of bytes that should be allocated for a
01053  * link level header. The default is 14, the standard value for
01054  * Ethernet.
01055  */
01056 #ifndef PBUF_LINK_HLEN
01057 #define PBUF_LINK_HLEN                  (14 + ETH_PAD_SIZE)
01058 #endif
01059 
01060 /**
01061  * PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. The default is
01062  * designed to accomodate single full size TCP frame in one pbuf, including
01063  * TCP_MSS, IP header, and link header.
01064  */
01065 #ifndef PBUF_POOL_BUFSIZE
01066 #define PBUF_POOL_BUFSIZE               LWIP_MEM_ALIGN_SIZE(TCP_MSS+40+PBUF_LINK_HLEN)
01067 #endif
01068 
01069 /*
01070    ------------------------------------------------
01071    ---------- Network Interfaces options ----------
01072    ------------------------------------------------
01073 */
01074 /**
01075  * LWIP_NETIF_HOSTNAME==1: use DHCP_OPTION_HOSTNAME with netif's hostname
01076  * field.
01077  */
01078 #ifndef LWIP_NETIF_HOSTNAME
01079 #define LWIP_NETIF_HOSTNAME             0
01080 #endif
01081 
01082 /**
01083  * LWIP_NETIF_API==1: Support netif api (in netifapi.c)
01084  */
01085 #ifndef LWIP_NETIF_API
01086 #define LWIP_NETIF_API                  0
01087 #endif
01088 
01089 /**
01090  * LWIP_NETIF_STATUS_CALLBACK==1: Support a callback function whenever an interface
01091  * changes its up/down status (i.e., due to DHCP IP acquistion)
01092  */
01093 #ifndef LWIP_NETIF_STATUS_CALLBACK
01094 #define LWIP_NETIF_STATUS_CALLBACK      0
01095 #endif
01096 
01097 /**
01098  * LWIP_NETIF_LINK_CALLBACK==1: Support a callback function from an interface
01099  * whenever the link changes (i.e., link down)
01100  */
01101 #ifndef LWIP_NETIF_LINK_CALLBACK
01102 #define LWIP_NETIF_LINK_CALLBACK        0
01103 #endif
01104 
01105 /**
01106  * LWIP_NETIF_HWADDRHINT==1: Cache link-layer-address hints (e.g. table
01107  * indices) in struct netif. TCP and UDP can make use of this to prevent
01108  * scanning the ARP table for every sent packet. While this is faster for big
01109  * ARP tables or many concurrent connections, it might be counterproductive
01110  * if you have a tiny ARP table or if there never are concurrent connections.
01111  */
01112 #ifndef LWIP_NETIF_HWADDRHINT
01113 #define LWIP_NETIF_HWADDRHINT           0
01114 #endif
01115 
01116 /**
01117  * LWIP_NETIF_LOOPBACK==1: Support sending packets with a destination IP
01118  * address equal to the netif IP address, looping them back up the stack.
01119  */
01120 #ifndef LWIP_NETIF_LOOPBACK
01121 #define LWIP_NETIF_LOOPBACK             0
01122 #endif
01123 
01124 /**
01125  * LWIP_LOOPBACK_MAX_PBUFS: Maximum number of pbufs on queue for loopback
01126  * sending for each netif (0 = disabled)
01127  */
01128 #ifndef LWIP_LOOPBACK_MAX_PBUFS
01129 #define LWIP_LOOPBACK_MAX_PBUFS         0
01130 #endif
01131 
01132 /**
01133  * LWIP_NETIF_LOOPBACK_MULTITHREADING: Indicates whether threading is enabled in
01134  * the system, as netifs must change how they behave depending on this setting
01135  * for the LWIP_NETIF_LOOPBACK option to work.
01136  * Setting this is needed to avoid reentering non-reentrant functions like
01137  * tcp_input().
01138  *    LWIP_NETIF_LOOPBACK_MULTITHREADING==1: Indicates that the user is using a
01139  *       multithreaded environment like tcpip.c. In this case, netif->input()
01140  *       is called directly.
01141  *    LWIP_NETIF_LOOPBACK_MULTITHREADING==0: Indicates a polling (or NO_SYS) setup.
01142  *       The packets are put on a list and netif_poll() must be called in
01143  *       the main application loop.
01144  */
01145 #ifndef LWIP_NETIF_LOOPBACK_MULTITHREADING
01146 #define LWIP_NETIF_LOOPBACK_MULTITHREADING    (!NO_SYS)
01147 #endif
01148 
01149 /**
01150  * LWIP_NETIF_TX_SINGLE_PBUF: if this is set to 1, lwIP tries to put all data
01151  * to be sent into one single pbuf. This is for compatibility with DMA-enabled
01152  * MACs that do not support scatter-gather.
01153  * Beware that this might involve CPU-memcpy before transmitting that would not
01154  * be needed without this flag! Use this only if you need to!
01155  *
01156  * @todo: TCP and IP-frag do not work with this, yet:
01157  */
01158 #ifndef LWIP_NETIF_TX_SINGLE_PBUF
01159 #define LWIP_NETIF_TX_SINGLE_PBUF             0
01160 #endif /* LWIP_NETIF_TX_SINGLE_PBUF */
01161 
01162 /*
01163    ------------------------------------
01164    ---------- LOOPIF options ----------
01165    ------------------------------------
01166 */
01167 /**
01168  * LWIP_HAVE_LOOPIF==1: Support loop interface (127.0.0.1) and loopif.c
01169  */
01170 #ifndef LWIP_HAVE_LOOPIF
01171 #define LWIP_HAVE_LOOPIF                0
01172 #endif
01173 
01174 /*
01175    ------------------------------------
01176    ---------- SLIPIF options ----------
01177    ------------------------------------
01178 */
01179 /**
01180  * LWIP_HAVE_SLIPIF==1: Support slip interface and slipif.c
01181  */
01182 #ifndef LWIP_HAVE_SLIPIF
01183 #define LWIP_HAVE_SLIPIF                0
01184 #endif
01185 
01186 /*
01187    ------------------------------------
01188    ---------- Thread options ----------
01189    ------------------------------------
01190 */
01191 /**
01192  * TCPIP_THREAD_NAME: The name assigned to the main tcpip thread.
01193  */
01194 #ifndef TCPIP_THREAD_NAME
01195 #define TCPIP_THREAD_NAME              "tcpip_thread"
01196 #endif
01197 
01198 /**
01199  * TCPIP_THREAD_STACKSIZE: The stack size used by the main tcpip thread.
01200  * The stack size value itself is platform-dependent, but is passed to
01201  * sys_thread_new() when the thread is created.
01202  */
01203 #ifndef TCPIP_THREAD_STACKSIZE
01204 #define TCPIP_THREAD_STACKSIZE          0
01205 #endif
01206 
01207 /**
01208  * TCPIP_THREAD_PRIO: The priority assigned to the main tcpip thread.
01209  * The priority value itself is platform-dependent, but is passed to
01210  * sys_thread_new() when the thread is created.
01211  */
01212 #ifndef TCPIP_THREAD_PRIO
01213 #define TCPIP_THREAD_PRIO               1
01214 #endif
01215 
01216 /**
01217  * TCPIP_MBOX_SIZE: The mailbox size for the tcpip thread messages
01218  * The queue size value itself is platform-dependent, but is passed to
01219  * sys_mbox_new() when tcpip_init is called.
01220  */
01221 #ifndef TCPIP_MBOX_SIZE
01222 #define TCPIP_MBOX_SIZE                 0
01223 #endif
01224 
01225 /**
01226  * SLIPIF_THREAD_NAME: The name assigned to the slipif_loop thread.
01227  */
01228 #ifndef SLIPIF_THREAD_NAME
01229 #define SLIPIF_THREAD_NAME             "slipif_loop"
01230 #endif
01231 
01232 /**
01233  * SLIP_THREAD_STACKSIZE: The stack size used by the slipif_loop thread.
01234  * The stack size value itself is platform-dependent, but is passed to
01235  * sys_thread_new() when the thread is created.
01236  */
01237 #ifndef SLIPIF_THREAD_STACKSIZE
01238 #define SLIPIF_THREAD_STACKSIZE         0
01239 #endif
01240 
01241 /**
01242  * SLIPIF_THREAD_PRIO: The priority assigned to the slipif_loop thread.
01243  * The priority value itself is platform-dependent, but is passed to
01244  * sys_thread_new() when the thread is created.
01245  */
01246 #ifndef SLIPIF_THREAD_PRIO
01247 #define SLIPIF_THREAD_PRIO              1
01248 #endif
01249 
01250 /**
01251  * PPP_THREAD_NAME: The name assigned to the pppInputThread.
01252  */
01253 #ifndef PPP_THREAD_NAME
01254 #define PPP_THREAD_NAME                "pppInputThread"
01255 #endif
01256 
01257 /**
01258  * PPP_THREAD_STACKSIZE: The stack size used by the pppInputThread.
01259  * The stack size value itself is platform-dependent, but is passed to
01260  * sys_thread_new() when the thread is created.
01261  */
01262 #ifndef PPP_THREAD_STACKSIZE
01263 #define PPP_THREAD_STACKSIZE            0
01264 #endif
01265 
01266 /**
01267  * PPP_THREAD_PRIO: The priority assigned to the pppInputThread.
01268  * The priority value itself is platform-dependent, but is passed to
01269  * sys_thread_new() when the thread is created.
01270  */
01271 #ifndef PPP_THREAD_PRIO
01272 #define PPP_THREAD_PRIO                 1
01273 #endif
01274 
01275 /**
01276  * DEFAULT_THREAD_NAME: The name assigned to any other lwIP thread.
01277  */
01278 #ifndef DEFAULT_THREAD_NAME
01279 #define DEFAULT_THREAD_NAME            "lwIP"
01280 #endif
01281 
01282 /**
01283  * DEFAULT_THREAD_STACKSIZE: The stack size used by any other lwIP thread.
01284  * The stack size value itself is platform-dependent, but is passed to
01285  * sys_thread_new() when the thread is created.
01286  */
01287 #ifndef DEFAULT_THREAD_STACKSIZE
01288 #define DEFAULT_THREAD_STACKSIZE        0
01289 #endif
01290 
01291 /**
01292  * DEFAULT_THREAD_PRIO: The priority assigned to any other lwIP thread.
01293  * The priority value itself is platform-dependent, but is passed to
01294  * sys_thread_new() when the thread is created.
01295  */
01296 #ifndef DEFAULT_THREAD_PRIO
01297 #define DEFAULT_THREAD_PRIO             1
01298 #endif
01299 
01300 /**
01301  * DEFAULT_RAW_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
01302  * NETCONN_RAW. The queue size value itself is platform-dependent, but is passed
01303  * to sys_mbox_new() when the recvmbox is created.
01304  */
01305 #ifndef DEFAULT_RAW_RECVMBOX_SIZE
01306 #define DEFAULT_RAW_RECVMBOX_SIZE       0
01307 #endif
01308 
01309 /**
01310  * DEFAULT_UDP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
01311  * NETCONN_UDP. The queue size value itself is platform-dependent, but is passed
01312  * to sys_mbox_new() when the recvmbox is created.
01313  */
01314 #ifndef DEFAULT_UDP_RECVMBOX_SIZE
01315 #define DEFAULT_UDP_RECVMBOX_SIZE       0
01316 #endif
01317 
01318 /**
01319  * DEFAULT_TCP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
01320  * NETCONN_TCP. The queue size value itself is platform-dependent, but is passed
01321  * to sys_mbox_new() when the recvmbox is created.
01322  */
01323 #ifndef DEFAULT_TCP_RECVMBOX_SIZE
01324 #define DEFAULT_TCP_RECVMBOX_SIZE       0
01325 #endif
01326 
01327 /**
01328  * DEFAULT_ACCEPTMBOX_SIZE: The mailbox size for the incoming connections.
01329  * The queue size value itself is platform-dependent, but is passed to
01330  * sys_mbox_new() when the acceptmbox is created.
01331  */
01332 #ifndef DEFAULT_ACCEPTMBOX_SIZE
01333 #define DEFAULT_ACCEPTMBOX_SIZE         0
01334 #endif
01335 
01336 /*
01337    ----------------------------------------------
01338    ---------- Sequential layer options ----------
01339    ----------------------------------------------
01340 */
01341 /**
01342  * LWIP_TCPIP_CORE_LOCKING: (EXPERIMENTAL!)
01343  * Don't use it if you're not an active lwIP project member
01344  */
01345 #ifndef LWIP_TCPIP_CORE_LOCKING
01346 #define LWIP_TCPIP_CORE_LOCKING         0
01347 #endif
01348 
01349 /**
01350  * LWIP_TCPIP_CORE_LOCKING_INPUT: (EXPERIMENTAL!)
01351  * Don't use it if you're not an active lwIP project member
01352  */
01353 #ifndef LWIP_TCPIP_CORE_LOCKING_INPUT
01354 #define LWIP_TCPIP_CORE_LOCKING_INPUT   0
01355 #endif
01356 
01357 /**
01358  * LWIP_NETCONN==1: Enable Netconn API (require to use api_lib.c)
01359  */
01360 #ifndef LWIP_NETCONN
01361 #define LWIP_NETCONN                    1
01362 #endif
01363 
01364 /** LWIP_TCPIP_TIMEOUT==1: Enable tcpip_timeout/tcpip_untimeout tod create
01365  * timers running in tcpip_thread from another thread.
01366  */
01367 #ifndef LWIP_TCPIP_TIMEOUT
01368 #define LWIP_TCPIP_TIMEOUT              1
01369 #endif
01370 
01371 /*
01372    ------------------------------------
01373    ---------- Socket options ----------
01374    ------------------------------------
01375 */
01376 /**
01377  * LWIP_SOCKET==1: Enable Socket API (require to use sockets.c)
01378  */
01379 #ifndef LWIP_SOCKET
01380 #define LWIP_SOCKET                     1
01381 #endif
01382 
01383 /**
01384  * LWIP_COMPAT_SOCKETS==1: Enable BSD-style sockets functions names.
01385  * (only used if you use sockets.c)
01386  */
01387 #ifndef LWIP_COMPAT_SOCKETS
01388 #define LWIP_COMPAT_SOCKETS             1
01389 #endif
01390 
01391 /**
01392  * LWIP_POSIX_SOCKETS_IO_NAMES==1: Enable POSIX-style sockets functions names.
01393  * Disable this option if you use a POSIX operating system that uses the same
01394  * names (read, write & close). (only used if you use sockets.c)
01395  */
01396 #ifndef LWIP_POSIX_SOCKETS_IO_NAMES
01397 #define LWIP_POSIX_SOCKETS_IO_NAMES     1
01398 #endif
01399 
01400 /**
01401  * LWIP_TCP_KEEPALIVE==1: Enable TCP_KEEPIDLE, TCP_KEEPINTVL and TCP_KEEPCNT
01402  * options processing. Note that TCP_KEEPIDLE and TCP_KEEPINTVL have to be set
01403  * in seconds. (does not require sockets.c, and will affect tcp.c)
01404  */
01405 #ifndef LWIP_TCP_KEEPALIVE
01406 #define LWIP_TCP_KEEPALIVE              0
01407 #endif
01408 
01409 /**
01410  * LWIP_SO_RCVTIMEO==1: Enable SO_RCVTIMEO processing.
01411  */
01412 #ifndef LWIP_SO_RCVTIMEO
01413 #define LWIP_SO_RCVTIMEO                0
01414 #endif
01415 
01416 /**
01417  * LWIP_SO_RCVBUF==1: Enable SO_RCVBUF processing.
01418  */
01419 #ifndef LWIP_SO_RCVBUF
01420 #define LWIP_SO_RCVBUF                  0
01421 #endif
01422 
01423 /**
01424  * If LWIP_SO_RCVBUF is used, this is the default value for recv_bufsize.
01425  */
01426 #ifndef RECV_BUFSIZE_DEFAULT
01427 #define RECV_BUFSIZE_DEFAULT            INT_MAX
01428 #endif
01429 
01430 /**
01431  * SO_REUSE==1: Enable SO_REUSEADDR option.
01432  */
01433 #ifndef SO_REUSE
01434 #define SO_REUSE                        0
01435 #endif
01436 
01437 /**
01438  * SO_REUSE_RXTOALL==1: Pass a copy of incoming broadcast/multicast packets
01439  * to all local matches if SO_REUSEADDR is turned on.
01440  * WARNING: Adds a memcpy for every packet if passing to more than one pcb!
01441  */
01442 #ifndef SO_REUSE_RXTOALL
01443 #define SO_REUSE_RXTOALL                0
01444 #endif
01445 
01446 /*
01447    ----------------------------------------
01448    ---------- Statistics options ----------
01449    ----------------------------------------
01450 */
01451 /**
01452  * LWIP_STATS==1: Enable statistics collection in lwip_stats.
01453  */
01454 #ifndef LWIP_STATS
01455 #define LWIP_STATS                      1
01456 #endif
01457 
01458 #if LWIP_STATS
01459 
01460 /**
01461  * LWIP_STATS_DISPLAY==1: Compile in the statistics output functions.
01462  */
01463 #ifndef LWIP_STATS_DISPLAY
01464 #define LWIP_STATS_DISPLAY              0
01465 #endif
01466 
01467 /**
01468  * LINK_STATS==1: Enable link stats.
01469  */
01470 #ifndef LINK_STATS
01471 #define LINK_STATS                      1
01472 #endif
01473 
01474 /**
01475  * ETHARP_STATS==1: Enable etharp stats.
01476  */
01477 #ifndef ETHARP_STATS
01478 #define ETHARP_STATS                    (LWIP_ARP)
01479 #endif
01480 
01481 /**
01482  * IP_STATS==1: Enable IP stats.
01483  */
01484 #ifndef IP_STATS
01485 #define IP_STATS                        1
01486 #endif
01487 
01488 /**
01489  * IPFRAG_STATS==1: Enable IP fragmentation stats. Default is
01490  * on if using either frag or reass.
01491  */
01492 #ifndef IPFRAG_STATS
01493 #define IPFRAG_STATS                    (IP_REASSEMBLY || IP_FRAG)
01494 #endif
01495 
01496 /**
01497  * ICMP_STATS==1: Enable ICMP stats.
01498  */
01499 #ifndef ICMP_STATS
01500 #define ICMP_STATS                      1
01501 #endif
01502 
01503 /**
01504  * IGMP_STATS==1: Enable IGMP stats.
01505  */
01506 #ifndef IGMP_STATS
01507 #define IGMP_STATS                      (LWIP_IGMP)
01508 #endif
01509 
01510 /**
01511  * UDP_STATS==1: Enable UDP stats. Default is on if
01512  * UDP enabled, otherwise off.
01513  */
01514 #ifndef UDP_STATS
01515 #define UDP_STATS                       (LWIP_UDP)
01516 #endif
01517 
01518 /**
01519  * TCP_STATS==1: Enable TCP stats. Default is on if TCP
01520  * enabled, otherwise off.
01521  */
01522 #ifndef TCP_STATS
01523 #define TCP_STATS                       (LWIP_TCP)
01524 #endif
01525 
01526 /**
01527  * MEM_STATS==1: Enable mem.c stats.
01528  */
01529 #ifndef MEM_STATS
01530 #define MEM_STATS                       ((MEM_LIBC_MALLOC == 0) && (MEM_USE_POOLS == 0))
01531 #endif
01532 
01533 /**
01534  * MEMP_STATS==1: Enable memp.c pool stats.
01535  */
01536 #ifndef MEMP_STATS
01537 #define MEMP_STATS                      (MEMP_MEM_MALLOC == 0)
01538 #endif
01539 
01540 /**
01541  * SYS_STATS==1: Enable system stats (sem and mbox counts, etc).
01542  */
01543 #ifndef SYS_STATS
01544 #define SYS_STATS                       (NO_SYS == 0)
01545 #endif
01546 
01547 #else
01548 
01549 #define LINK_STATS                      0
01550 #define IP_STATS                        0
01551 #define IPFRAG_STATS                    0
01552 #define ICMP_STATS                      0
01553 #define IGMP_STATS                      0
01554 #define UDP_STATS                       0
01555 #define TCP_STATS                       0
01556 #define MEM_STATS                       0
01557 #define MEMP_STATS                      0
01558 #define SYS_STATS                       0
01559 #define LWIP_STATS_DISPLAY              0
01560 
01561 #endif /* LWIP_STATS */
01562 
01563 /*
01564    ---------------------------------
01565    ---------- PPP options ----------
01566    ---------------------------------
01567 */
01568 /**
01569  * PPP_SUPPORT==1: Enable PPP.
01570  */
01571 #ifndef PPP_SUPPORT
01572 #define PPP_SUPPORT                     0
01573 #endif
01574 
01575 /**
01576  * PPPOE_SUPPORT==1: Enable PPP Over Ethernet
01577  */
01578 #ifndef PPPOE_SUPPORT
01579 #define PPPOE_SUPPORT                   0
01580 #endif
01581 
01582 /**
01583  * PPPOS_SUPPORT==1: Enable PPP Over Serial
01584  */
01585 #ifndef PPPOS_SUPPORT
01586 #define PPPOS_SUPPORT                   PPP_SUPPORT
01587 #endif
01588 
01589 #if PPP_SUPPORT
01590 
01591 /**
01592  * NUM_PPP: Max PPP sessions.
01593  */
01594 #ifndef NUM_PPP
01595 #define NUM_PPP                         1
01596 #endif
01597 
01598 /**
01599  * PAP_SUPPORT==1: Support PAP.
01600  */
01601 #ifndef PAP_SUPPORT
01602 #define PAP_SUPPORT                     0
01603 #endif
01604 
01605 /**
01606  * CHAP_SUPPORT==1: Support CHAP.
01607  */
01608 #ifndef CHAP_SUPPORT
01609 #define CHAP_SUPPORT                    0
01610 #endif
01611 
01612 /**
01613  * MSCHAP_SUPPORT==1: Support MSCHAP. CURRENTLY NOT SUPPORTED! DO NOT SET!
01614  */
01615 #ifndef MSCHAP_SUPPORT
01616 #define MSCHAP_SUPPORT                  0
01617 #endif
01618 
01619 /**
01620  * CBCP_SUPPORT==1: Support CBCP. CURRENTLY NOT SUPPORTED! DO NOT SET!
01621  */
01622 #ifndef CBCP_SUPPORT
01623 #define CBCP_SUPPORT                    0
01624 #endif
01625 
01626 /**
01627  * CCP_SUPPORT==1: Support CCP. CURRENTLY NOT SUPPORTED! DO NOT SET!
01628  */
01629 #ifndef CCP_SUPPORT
01630 #define CCP_SUPPORT                     0
01631 #endif
01632 
01633 /**
01634  * VJ_SUPPORT==1: Support VJ header compression.
01635  */
01636 #ifndef VJ_SUPPORT
01637 #define VJ_SUPPORT                      0
01638 #endif
01639 
01640 /**
01641  * MD5_SUPPORT==1: Support MD5 (see also CHAP).
01642  */
01643 #ifndef MD5_SUPPORT
01644 #define MD5_SUPPORT                     0
01645 #endif
01646 
01647 /*
01648  * Timeouts
01649  */
01650 #ifndef FSM_DEFTIMEOUT
01651 #define FSM_DEFTIMEOUT                  6       /* Timeout time in seconds */
01652 #endif
01653 
01654 #ifndef FSM_DEFMAXTERMREQS
01655 #define FSM_DEFMAXTERMREQS              2       /* Maximum Terminate-Request transmissions */
01656 #endif
01657 
01658 #ifndef FSM_DEFMAXCONFREQS
01659 #define FSM_DEFMAXCONFREQS              10      /* Maximum Configure-Request transmissions */
01660 #endif
01661 
01662 #ifndef FSM_DEFMAXNAKLOOPS
01663 #define FSM_DEFMAXNAKLOOPS              5       /* Maximum number of nak loops */
01664 #endif
01665 
01666 #ifndef UPAP_DEFTIMEOUT
01667 #define UPAP_DEFTIMEOUT                 6       /* Timeout (seconds) for retransmitting req */
01668 #endif
01669 
01670 #ifndef UPAP_DEFREQTIME
01671 #define UPAP_DEFREQTIME                 30      /* Time to wait for auth-req from peer */
01672 #endif
01673 
01674 #ifndef CHAP_DEFTIMEOUT
01675 #define CHAP_DEFTIMEOUT                 6       /* Timeout time in seconds */
01676 #endif
01677 
01678 #ifndef CHAP_DEFTRANSMITS
01679 #define CHAP_DEFTRANSMITS               10      /* max # times to send challenge */
01680 #endif
01681 
01682 /* Interval in seconds between keepalive echo requests, 0 to disable. */
01683 #ifndef LCP_ECHOINTERVAL
01684 #define LCP_ECHOINTERVAL                0
01685 #endif
01686 
01687 /* Number of unanswered echo requests before failure. */
01688 #ifndef LCP_MAXECHOFAILS
01689 #define LCP_MAXECHOFAILS                3
01690 #endif
01691 
01692 /* Max Xmit idle time (in jiffies) before resend flag char. */
01693 #ifndef PPP_MAXIDLEFLAG
01694 #define PPP_MAXIDLEFLAG                 100
01695 #endif
01696 
01697 /*
01698  * Packet sizes
01699  *
01700  * Note - lcp shouldn't be allowed to negotiate stuff outside these
01701  *    limits.  See lcp.h in the pppd directory.
01702  * (XXX - these constants should simply be shared by lcp.c instead
01703  *    of living in lcp.h)
01704  */
01705 #define PPP_MTU                         1500     /* Default MTU (size of Info field) */
01706 #ifndef PPP_MAXMTU
01707 /* #define PPP_MAXMTU  65535 - (PPP_HDRLEN + PPP_FCSLEN) */
01708 #define PPP_MAXMTU                      1500 /* Largest MTU we allow */
01709 #endif
01710 #define PPP_MINMTU                      64
01711 #define PPP_MRU                         1500     /* default MRU = max length of info field */
01712 #define PPP_MAXMRU                      1500     /* Largest MRU we allow */
01713 #ifndef PPP_DEFMRU
01714 #define PPP_DEFMRU                      296             /* Try for this */
01715 #endif
01716 #define PPP_MINMRU                      128             /* No MRUs below this */
01717 
01718 #ifndef MAXNAMELEN
01719 #define MAXNAMELEN                      256     /* max length of hostname or name for auth */
01720 #endif
01721 #ifndef MAXSECRETLEN
01722 #define MAXSECRETLEN                    256     /* max length of password or secret */
01723 #endif
01724 
01725 #endif /* PPP_SUPPORT */
01726 
01727 /*
01728    --------------------------------------
01729    ---------- Checksum options ----------
01730    --------------------------------------
01731 */
01732 /**
01733  * CHECKSUM_GEN_IP==1: Generate checksums in software for outgoing IP packets.
01734  */
01735 #ifndef CHECKSUM_GEN_IP
01736 #define CHECKSUM_GEN_IP                 1
01737 #endif
01738  
01739 /**
01740  * CHECKSUM_GEN_UDP==1: Generate checksums in software for outgoing UDP packets.
01741  */
01742 #ifndef CHECKSUM_GEN_UDP
01743 #define CHECKSUM_GEN_UDP                1
01744 #endif
01745  
01746 /**
01747  * CHECKSUM_GEN_TCP==1: Generate checksums in software for outgoing TCP packets.
01748  */
01749 #ifndef CHECKSUM_GEN_TCP
01750 #define CHECKSUM_GEN_TCP                1
01751 #endif
01752  
01753 /**
01754  * CHECKSUM_CHECK_IP==1: Check checksums in software for incoming IP packets.
01755  */
01756 #ifndef CHECKSUM_CHECK_IP
01757 #define CHECKSUM_CHECK_IP               1
01758 #endif
01759  
01760 /**
01761  * CHECKSUM_CHECK_UDP==1: Check checksums in software for incoming UDP packets.
01762  */
01763 #ifndef CHECKSUM_CHECK_UDP
01764 #define CHECKSUM_CHECK_UDP              1
01765 #endif
01766 
01767 /**
01768  * CHECKSUM_CHECK_TCP==1: Check checksums in software for incoming TCP packets.
01769  */
01770 #ifndef CHECKSUM_CHECK_TCP
01771 #define CHECKSUM_CHECK_TCP              1
01772 #endif
01773 
01774 /**
01775  * LWIP_CHECKSUM_ON_COPY==1: Calculate checksum when copying data from
01776  * application buffers to pbufs.
01777  */
01778 #ifndef LWIP_CHECKSUM_ON_COPY
01779 #define LWIP_CHECKSUM_ON_COPY           0
01780 #endif
01781 
01782 /*
01783    ---------------------------------------
01784    ---------- Debugging options ----------
01785    ---------------------------------------
01786 */
01787 /**
01788  * LWIP_DBG_MIN_LEVEL: After masking, the value of the debug is
01789  * compared against this value. If it is smaller, then debugging
01790  * messages are written.
01791  */
01792 #ifndef LWIP_DBG_MIN_LEVEL
01793 #define LWIP_DBG_MIN_LEVEL              LWIP_DBG_LEVEL_ALL
01794 #endif
01795 
01796 /**
01797  * LWIP_DBG_TYPES_ON: A mask that can be used to globally enable/disable
01798  * debug messages of certain types.
01799  */
01800 #ifndef LWIP_DBG_TYPES_ON
01801 #define LWIP_DBG_TYPES_ON               LWIP_DBG_ON
01802 #endif
01803 
01804 /**
01805  * ETHARP_DEBUG: Enable debugging in etharp.c.
01806  */
01807 #ifndef ETHARP_DEBUG
01808 #define ETHARP_DEBUG                    LWIP_DBG_OFF
01809 #endif
01810 
01811 /**
01812  * NETIF_DEBUG: Enable debugging in netif.c.
01813  */
01814 #ifndef NETIF_DEBUG
01815 #define NETIF_DEBUG                     LWIP_DBG_OFF
01816 #endif
01817 
01818 /**
01819  * PBUF_DEBUG: Enable debugging in pbuf.c.
01820  */
01821 #ifndef PBUF_DEBUG
01822 #define PBUF_DEBUG                      LWIP_DBG_OFF
01823 #endif
01824 
01825 /**
01826  * API_LIB_DEBUG: Enable debugging in api_lib.c.
01827  */
01828 #ifndef API_LIB_DEBUG
01829 #define API_LIB_DEBUG                   LWIP_DBG_OFF
01830 #endif
01831 
01832 /**
01833  * API_MSG_DEBUG: Enable debugging in api_msg.c.
01834  */
01835 #ifndef API_MSG_DEBUG
01836 #define API_MSG_DEBUG                   LWIP_DBG_OFF
01837 #endif
01838 
01839 /**
01840  * SOCKETS_DEBUG: Enable debugging in sockets.c.
01841  */
01842 #ifndef SOCKETS_DEBUG
01843 #define SOCKETS_DEBUG                   LWIP_DBG_OFF
01844 #endif
01845 
01846 /**
01847  * ICMP_DEBUG: Enable debugging in icmp.c.
01848  */
01849 #ifndef ICMP_DEBUG
01850 #define ICMP_DEBUG                      LWIP_DBG_OFF
01851 #endif
01852 
01853 /**
01854  * IGMP_DEBUG: Enable debugging in igmp.c.
01855  */
01856 #ifndef IGMP_DEBUG
01857 #define IGMP_DEBUG                      LWIP_DBG_OFF
01858 #endif
01859 
01860 /**
01861  * INET_DEBUG: Enable debugging in inet.c.
01862  */
01863 #ifndef INET_DEBUG
01864 #define INET_DEBUG                      LWIP_DBG_OFF
01865 #endif
01866 
01867 /**
01868  * IP_DEBUG: Enable debugging for IP.
01869  */
01870 #ifndef IP_DEBUG
01871 #define IP_DEBUG                        LWIP_DBG_OFF
01872 #endif
01873 
01874 /**
01875  * IP_REASS_DEBUG: Enable debugging in ip_frag.c for both frag & reass.
01876  */
01877 #ifndef IP_REASS_DEBUG
01878 #define IP_REASS_DEBUG                  LWIP_DBG_OFF
01879 #endif
01880 
01881 /**
01882  * RAW_DEBUG: Enable debugging in raw.c.
01883  */
01884 #ifndef RAW_DEBUG
01885 #define RAW_DEBUG                       LWIP_DBG_OFF
01886 #endif
01887 
01888 /**
01889  * MEM_DEBUG: Enable debugging in mem.c.
01890  */
01891 #ifndef MEM_DEBUG
01892 #define MEM_DEBUG                       LWIP_DBG_OFF
01893 #endif
01894 
01895 /**
01896  * MEMP_DEBUG: Enable debugging in memp.c.
01897  */
01898 #ifndef MEMP_DEBUG
01899 #define MEMP_DEBUG                      LWIP_DBG_OFF
01900 #endif
01901 
01902 /**
01903  * SYS_DEBUG: Enable debugging in sys.c.
01904  */
01905 #ifndef SYS_DEBUG
01906 #define SYS_DEBUG                       LWIP_DBG_OFF
01907 #endif
01908 
01909 /**
01910  * TIMERS_DEBUG: Enable debugging in timers.c.
01911  */
01912 #ifndef TIMERS_DEBUG
01913 #define TIMERS_DEBUG                    LWIP_DBG_OFF
01914 #endif
01915 
01916 /**
01917  * TCP_DEBUG: Enable debugging for TCP.
01918  */
01919 #ifndef TCP_DEBUG
01920 #define TCP_DEBUG                       LWIP_DBG_OFF
01921 #endif
01922 
01923 /**
01924  * TCP_INPUT_DEBUG: Enable debugging in tcp_in.c for incoming debug.
01925  */
01926 #ifndef TCP_INPUT_DEBUG
01927 #define TCP_INPUT_DEBUG                 LWIP_DBG_OFF
01928 #endif
01929 
01930 /**
01931  * TCP_FR_DEBUG: Enable debugging in tcp_in.c for fast retransmit.
01932  */
01933 #ifndef TCP_FR_DEBUG
01934 #define TCP_FR_DEBUG                    LWIP_DBG_OFF
01935 #endif
01936 
01937 /**
01938  * TCP_RTO_DEBUG: Enable debugging in TCP for retransmit
01939  * timeout.
01940  */
01941 #ifndef TCP_RTO_DEBUG
01942 #define TCP_RTO_DEBUG                   LWIP_DBG_OFF
01943 #endif
01944 
01945 /**
01946  * TCP_CWND_DEBUG: Enable debugging for TCP congestion window.
01947  */
01948 #ifndef TCP_CWND_DEBUG
01949 #define TCP_CWND_DEBUG                  LWIP_DBG_OFF
01950 #endif
01951 
01952 /**
01953  * TCP_WND_DEBUG: Enable debugging in tcp_in.c for window updating.
01954  */
01955 #ifndef TCP_WND_DEBUG
01956 #define TCP_WND_DEBUG                   LWIP_DBG_OFF
01957 #endif
01958 
01959 /**
01960  * TCP_OUTPUT_DEBUG: Enable debugging in tcp_out.c output functions.
01961  */
01962 #ifndef TCP_OUTPUT_DEBUG
01963 #define TCP_OUTPUT_DEBUG                LWIP_DBG_OFF
01964 #endif
01965 
01966 /**
01967  * TCP_RST_DEBUG: Enable debugging for TCP with the RST message.
01968  */
01969 #ifndef TCP_RST_DEBUG
01970 #define TCP_RST_DEBUG                   LWIP_DBG_OFF
01971 #endif
01972 
01973 /**
01974  * TCP_QLEN_DEBUG: Enable debugging for TCP queue lengths.
01975  */
01976 #ifndef TCP_QLEN_DEBUG
01977 #define TCP_QLEN_DEBUG                  LWIP_DBG_OFF
01978 #endif
01979 
01980 /**
01981  * UDP_DEBUG: Enable debugging in UDP.
01982  */
01983 #ifndef UDP_DEBUG
01984 #define UDP_DEBUG                       LWIP_DBG_OFF
01985 #endif
01986 
01987 /**
01988  * TCPIP_DEBUG: Enable debugging in tcpip.c.
01989  */
01990 #ifndef TCPIP_DEBUG
01991 #define TCPIP_DEBUG                     LWIP_DBG_OFF
01992 #endif
01993 
01994 /**
01995  * PPP_DEBUG: Enable debugging for PPP.
01996  */
01997 #ifndef PPP_DEBUG
01998 #define PPP_DEBUG                       LWIP_DBG_OFF
01999 #endif
02000 
02001 /**
02002  * SLIP_DEBUG: Enable debugging in slipif.c.
02003  */
02004 #ifndef SLIP_DEBUG
02005 #define SLIP_DEBUG                      LWIP_DBG_OFF
02006 #endif
02007 
02008 /**
02009  * DHCP_DEBUG: Enable debugging in dhcp.c.
02010  */
02011 #ifndef DHCP_DEBUG
02012 #define DHCP_DEBUG                      LWIP_DBG_OFF
02013 #endif
02014 
02015 /**
02016  * AUTOIP_DEBUG: Enable debugging in autoip.c.
02017  */
02018 #ifndef AUTOIP_DEBUG
02019 #define AUTOIP_DEBUG                    LWIP_DBG_OFF
02020 #endif
02021 
02022 /**
02023  * SNMP_MSG_DEBUG: Enable debugging for SNMP messages.
02024  */
02025 #ifndef SNMP_MSG_DEBUG
02026 #define SNMP_MSG_DEBUG                  LWIP_DBG_OFF
02027 #endif
02028 
02029 /**
02030  * SNMP_MIB_DEBUG: Enable debugging for SNMP MIBs.
02031  */
02032 #ifndef SNMP_MIB_DEBUG
02033 #define SNMP_MIB_DEBUG                  LWIP_DBG_OFF
02034 #endif
02035 
02036 /**
02037  * DNS_DEBUG: Enable debugging for DNS.
02038  */
02039 #ifndef DNS_DEBUG
02040 #define DNS_DEBUG                       LWIP_DBG_OFF
02041 #endif
02042 
02043 #endif /* __LWIP_OPT_H__ */