source: azure_iot_hub_f767zi/trunk/asp_baseplatform/lwip/contrib-2.1.0/ports/unix/lib/lwipopts.h@ 457

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1/**
2 * @file
3 *
4 * lwIP Options Configuration
5 */
6
7/*
8 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without modification,
12 * are permitted provided that the following conditions are met:
13 *
14 * 1. Redistributions of source code must retain the above copyright notice,
15 * this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright notice,
17 * this list of conditions and the following disclaimer in the documentation
18 * and/or other materials provided with the distribution.
19 * 3. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
23 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
24 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
25 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
26 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
27 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
30 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
31 * OF SUCH DAMAGE.
32 *
33 * This file is part of the lwIP TCP/IP stack.
34 *
35 * Author: Adam Dunkels <adam@sics.se>
36 *
37 */
38#ifndef LWIP_LWIPOPTS_H
39#define LWIP_LWIPOPTS_H
40
41/*
42 * Include user defined options first. Anything not defined in these files
43 * will be set to standard values. Override anything you dont like!
44 */
45#include "lwipopts.h"
46#include "lwip/debug.h"
47
48/*
49 -----------------------------------------------
50 ---------- Platform specific locking ----------
51 -----------------------------------------------
52*/
53
54/**
55 * SYS_LIGHTWEIGHT_PROT==1: if you want inter-task protection for certain
56 * critical regions during buffer allocation, deallocation and memory
57 * allocation and deallocation.
58 */
59#define SYS_LIGHTWEIGHT_PROT 0
60
61/**
62 * NO_SYS==1: Provides VERY minimal functionality. Otherwise,
63 * use lwIP facilities.
64 */
65#define NO_SYS 0
66
67/*
68 ------------------------------------
69 ---------- Memory options ----------
70 ------------------------------------
71*/
72
73/**
74 * MEM_ALIGNMENT: should be set to the alignment of the CPU
75 * 4 byte alignment -> #define MEM_ALIGNMENT 4
76 * 2 byte alignment -> #define MEM_ALIGNMENT 2
77 */
78#define MEM_ALIGNMENT 1U
79
80/**
81 * MEM_SIZE: the size of the heap memory. If the application will send
82 * a lot of data that needs to be copied, this should be set high.
83 */
84#define MEM_SIZE 1600
85
86/*
87 ------------------------------------------------
88 ---------- Internal Memory Pool Sizes ----------
89 ------------------------------------------------
90*/
91/**
92 * MEMP_NUM_PBUF: the number of memp struct pbufs (used for PBUF_ROM and PBUF_REF).
93 * If the application sends a lot of data out of ROM (or other static memory),
94 * this should be set high.
95 */
96#define MEMP_NUM_PBUF 16
97
98/**
99 * MEMP_NUM_RAW_PCB: Number of raw connection PCBs
100 * (requires the LWIP_RAW option)
101 */
102#define MEMP_NUM_RAW_PCB 4
103
104/**
105 * MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
106 * per active UDP "connection".
107 * (requires the LWIP_UDP option)
108 */
109#define MEMP_NUM_UDP_PCB 4
110
111/**
112 * MEMP_NUM_TCP_PCB: the number of simulatenously active TCP connections.
113 * (requires the LWIP_TCP option)
114 */
115#define MEMP_NUM_TCP_PCB 4
116
117/**
118 * MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP connections.
119 * (requires the LWIP_TCP option)
120 */
121#define MEMP_NUM_TCP_PCB_LISTEN 4
122
123/**
124 * MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP segments.
125 * (requires the LWIP_TCP option)
126 */
127#define MEMP_NUM_TCP_SEG 16
128
129/**
130 * MEMP_NUM_REASSDATA: the number of simultaneously IP packets queued for
131 * reassembly (whole packets, not fragments!)
132 */
133#define MEMP_NUM_REASSDATA 1
134
135/**
136 * MEMP_NUM_ARP_QUEUE: the number of simulateously queued outgoing
137 * packets (pbufs) that are waiting for an ARP request (to resolve
138 * their destination address) to finish.
139 * (requires the ARP_QUEUEING option)
140 */
141#define MEMP_NUM_ARP_QUEUE 2
142
143/**
144 * MEMP_NUM_SYS_TIMEOUT: the number of simulateously active timeouts.
145 * (requires NO_SYS==0)
146 */
147#define MEMP_NUM_SYS_TIMEOUT 8
148
149/**
150 * MEMP_NUM_NETBUF: the number of struct netbufs.
151 * (only needed if you use the sequential API, like api_lib.c)
152 */
153#define MEMP_NUM_NETBUF 2
154
155/**
156 * MEMP_NUM_NETCONN: the number of struct netconns.
157 * (only needed if you use the sequential API, like api_lib.c)
158 */
159#define MEMP_NUM_NETCONN 32
160
161/**
162 * MEMP_NUM_TCPIP_MSG_API: the number of struct tcpip_msg, which are used
163 * for callback/timeout API communication.
164 * (only needed if you use tcpip.c)
165 */
166#define MEMP_NUM_TCPIP_MSG_API 8
167
168/**
169 * MEMP_NUM_TCPIP_MSG_INPKT: the number of struct tcpip_msg, which are used
170 * for incoming packets.
171 * (only needed if you use tcpip.c)
172 */
173#define MEMP_NUM_TCPIP_MSG_INPKT 8
174
175/**
176 * PBUF_POOL_SIZE: the number of buffers in the pbuf pool.
177 */
178#define PBUF_POOL_SIZE 8
179
180/*
181 ---------------------------------
182 ---------- ARP options ----------
183 ---------------------------------
184*/
185/**
186 * LWIP_ARP==1: Enable ARP functionality.
187 */
188#define LWIP_ARP 1
189
190/*
191 --------------------------------
192 ---------- IP options ----------
193 --------------------------------
194*/
195/**
196 * IP_FORWARD==1: Enables the ability to forward IP packets across network
197 * interfaces. If you are going to run lwIP on a device with only one network
198 * interface, define this to 0.
199 */
200#define IP_FORWARD 0
201
202/**
203 * IP_OPTIONS: Defines the behavior for IP options.
204 * IP_OPTIONS_ALLOWED==0: All packets with IP options are dropped.
205 * IP_OPTIONS_ALLOWED==1: IP options are allowed (but not parsed).
206 */
207#define IP_OPTIONS_ALLOWED 1
208
209/**
210 * IP_REASSEMBLY==1: Reassemble incoming fragmented IP packets. Note that
211 * this option does not affect outgoing packet sizes, which can be controlled
212 * via IP_FRAG.
213 */
214#define IP_REASSEMBLY 1
215
216/**
217 * IP_FRAG==1: Fragment outgoing IP packets if their size exceeds MTU. Note
218 * that this option does not affect incoming packet sizes, which can be
219 * controlled via IP_REASSEMBLY.
220 */
221#define IP_FRAG 1
222
223/**
224 * IP_REASS_MAXAGE: Maximum time (in multiples of IP_TMR_INTERVAL - so seconds, normally)
225 * a fragmented IP packet waits for all fragments to arrive. If not all fragments arrived
226 * in this time, the whole packet is discarded.
227 */
228#define IP_REASS_MAXAGE 3
229
230/**
231 * IP_REASS_MAX_PBUFS: Total maximum amount of pbufs waiting to be reassembled.
232 * Since the received pbufs are enqueued, be sure to configure
233 * PBUF_POOL_SIZE > IP_REASS_MAX_PBUFS so that the stack is still able to receive
234 * packets even if the maximum amount of fragments is enqueued for reassembly!
235 */
236#define IP_REASS_MAX_PBUFS 4
237
238/**
239 * IP_FRAG_USES_STATIC_BUF==1: Use a static MTU-sized buffer for IP
240 * fragmentation. Otherwise pbufs are allocated and reference the original
241 * packet data to be fragmented.
242*/
243#define IP_FRAG_USES_STATIC_BUF 0
244
245/**
246 * IP_DEFAULT_TTL: Default value for Time-To-Live used by transport layers.
247 */
248#define IP_DEFAULT_TTL 255
249
250/*
251 ----------------------------------
252 ---------- ICMP options ----------
253 ----------------------------------
254*/
255/**
256 * LWIP_ICMP==1: Enable ICMP module inside the IP stack.
257 * Be careful, disable that make your product non-compliant to RFC1122
258 */
259#define LWIP_ICMP 1
260
261/*
262 ---------------------------------
263 ---------- RAW options ----------
264 ---------------------------------
265*/
266/**
267 * LWIP_RAW==1: Enable application layer to hook into the IP layer itself.
268 */
269#define LWIP_RAW 1
270
271/*
272 ----------------------------------
273 ---------- DHCP options ----------
274 ----------------------------------
275*/
276/**
277 * LWIP_DHCP==1: Enable DHCP module.
278 */
279#define LWIP_DHCP 0
280
281
282/*
283 ------------------------------------
284 ---------- AUTOIP options ----------
285 ------------------------------------
286*/
287/**
288 * LWIP_AUTOIP==1: Enable AUTOIP module.
289 */
290#define LWIP_AUTOIP 0
291
292/*
293 ----------------------------------
294 ---------- SNMP options ----------
295 ----------------------------------
296*/
297/**
298 * LWIP_SNMP==1: Turn on SNMP module. UDP must be available for SNMP
299 * transport.
300 */
301#define LWIP_SNMP 0
302
303/*
304 ----------------------------------
305 ---------- IGMP options ----------
306 ----------------------------------
307*/
308/**
309 * LWIP_IGMP==1: Turn on IGMP module.
310 */
311#define LWIP_IGMP 0
312
313/*
314 ----------------------------------
315 ---------- DNS options -----------
316 ----------------------------------
317*/
318/**
319 * LWIP_DNS==1: Turn on DNS module. UDP must be available for DNS
320 * transport.
321 */
322#define LWIP_DNS 0
323
324/*
325 ---------------------------------
326 ---------- UDP options ----------
327 ---------------------------------
328*/
329/**
330 * LWIP_UDP==1: Turn on UDP.
331 */
332#define LWIP_UDP 1
333
334/*
335 ---------------------------------
336 ---------- TCP options ----------
337 ---------------------------------
338*/
339/**
340 * LWIP_TCP==1: Turn on TCP.
341 */
342#define LWIP_TCP 1
343
344#define LWIP_LISTEN_BACKLOG 0
345
346/*
347 ----------------------------------
348 ---------- Pbuf options ----------
349 ----------------------------------
350*/
351/**
352 * PBUF_LINK_HLEN: the number of bytes that should be allocated for a
353 * link level header. The default is 14, the standard value for
354 * Ethernet.
355 */
356#define PBUF_LINK_HLEN 16
357
358/**
359 * PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. The default is
360 * designed to accomodate single full size TCP frame in one pbuf, including
361 * TCP_MSS, IP header, and link header.
362*
363 */
364#define PBUF_POOL_BUFSIZE LWIP_MEM_ALIGN_SIZE(TCP_MSS+40+PBUF_LINK_HLEN)
365
366/*
367 ------------------------------------
368 ---------- LOOPIF options ----------
369 ------------------------------------
370*/
371/**
372 * LWIP_HAVE_LOOPIF==1: Support loop interface (127.0.0.1) and loopif.c
373 */
374#define LWIP_HAVE_LOOPIF 0
375
376/*
377 ----------------------------------------------
378 ---------- Sequential layer options ----------
379 ----------------------------------------------
380*/
381
382/**
383 * LWIP_NETCONN==1: Enable Netconn API (require to use api_lib.c)
384 */
385#define LWIP_NETCONN 1
386
387/*
388 ------------------------------------
389 ---------- Socket options ----------
390 ------------------------------------
391*/
392/**
393 * LWIP_SOCKET==1: Enable Socket API (require to use sockets.c)
394 */
395#define LWIP_SOCKET 1
396
397/**
398 * SO_REUSE==1: Enable SO_REUSEADDR
399 */
400#define SO_REUSE 1
401
402/*
403 ----------------------------------------
404 ---------- Statistics options ----------
405 ----------------------------------------
406*/
407/**
408 * LWIP_STATS==1: Enable statistics collection in lwip_stats.
409 */
410#define LWIP_STATS 0
411/*
412 ---------------------------------
413 ---------- PPP options ----------
414 ---------------------------------
415*/
416/**
417 * PPP_SUPPORT==1: Enable PPP.
418 */
419#define PPP_SUPPORT 0
420
421
422
423/*
424 ---------------------------------------
425 ---------- Threading options ----------
426 ---------------------------------------
427*/
428
429#define LWIP_TCPIP_CORE_LOCKING 1
430
431#if !NO_SYS
432void sys_check_core_locking(void);
433#define LWIP_ASSERT_CORE_LOCKED() sys_check_core_locking()
434void sys_mark_tcpip_thread(void);
435#define LWIP_MARK_TCPIP_THREAD() sys_mark_tcpip_thread()
436
437#if LWIP_TCPIP_CORE_LOCKING
438void sys_lock_tcpip_core(void);
439#define LOCK_TCPIP_CORE() sys_lock_tcpip_core()
440void sys_unlock_tcpip_core(void);
441#define UNLOCK_TCPIP_CORE() sys_unlock_tcpip_core()
442#endif
443#endif
444
445#endif /* LWIP_LWIPOPTS_H */
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