[457] | 1 | /**
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| 2 | * @file
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| 3 | *
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| 4 | * lwIP Options Configuration
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| 5 | */
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| 6 |
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| 7 | /*
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| 8 | * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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| 9 | * All rights reserved.
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| 10 | *
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| 11 | * Redistribution and use in source and binary forms, with or without modification,
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| 12 | * are permitted provided that the following conditions are met:
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| 13 | *
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| 14 | * 1. Redistributions of source code must retain the above copyright notice,
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| 15 | * this list of conditions and the following disclaimer.
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| 16 | * 2. Redistributions in binary form must reproduce the above copyright notice,
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| 17 | * this list of conditions and the following disclaimer in the documentation
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| 18 | * and/or other materials provided with the distribution.
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| 19 | * 3. The name of the author may not be used to endorse or promote products
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| 20 | * derived from this software without specific prior written permission.
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| 21 | *
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| 22 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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| 23 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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| 24 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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| 25 | * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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| 26 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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| 27 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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| 28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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| 29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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| 30 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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| 31 | * OF SUCH DAMAGE.
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| 32 | *
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| 33 | * This file is part of the lwIP TCP/IP stack.
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| 34 | *
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| 35 | * Author: Adam Dunkels <adam@sics.se>
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| 36 | *
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| 37 | */
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| 38 |
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| 39 | /*
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| 40 | * NOTE: || defined __DOXYGEN__ is a workaround for doxygen bug -
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| 41 | * without this, doxygen does not see the actual #define
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| 42 | */
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| 43 |
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| 44 | #if !defined LWIP_HDR_OPT_H
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| 45 | #define LWIP_HDR_OPT_H
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| 46 |
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| 47 | /*
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| 48 | * Include user defined options first. Anything not defined in these files
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| 49 | * will be set to standard values. Override anything you don't like!
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| 50 | */
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| 51 | #include "lwipopts.h"
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| 52 | #include "lwip/debug.h"
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| 53 |
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| 54 | /**
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| 55 | * @defgroup lwip_opts Options (lwipopts.h)
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| 56 | * @ingroup lwip
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| 57 | *
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| 58 | * @defgroup lwip_opts_debug Debugging
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| 59 | * @ingroup lwip_opts
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| 60 | *
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| 61 | * @defgroup lwip_opts_infrastructure Infrastructure
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| 62 | * @ingroup lwip_opts
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| 63 | *
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| 64 | * @defgroup lwip_opts_callback Callback-style APIs
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| 65 | * @ingroup lwip_opts
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| 66 | *
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| 67 | * @defgroup lwip_opts_threadsafe_apis Thread-safe APIs
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| 68 | * @ingroup lwip_opts
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| 69 | */
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| 70 |
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| 71 | /*
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| 72 | ------------------------------------
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| 73 | -------------- NO SYS --------------
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| 74 | ------------------------------------
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| 75 | */
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| 76 | /**
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| 77 | * @defgroup lwip_opts_nosys NO_SYS
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| 78 | * @ingroup lwip_opts_infrastructure
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| 79 | * @{
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| 80 | */
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| 81 | /**
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| 82 | * NO_SYS==1: Use lwIP without OS-awareness (no thread, semaphores, mutexes or
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| 83 | * mboxes). This means threaded APIs cannot be used (socket, netconn,
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| 84 | * i.e. everything in the 'api' folder), only the callback-style raw API is
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| 85 | * available (and you have to watch out for yourself that you don't access
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| 86 | * lwIP functions/structures from more than one context at a time!)
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| 87 | */
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| 88 | #if !defined NO_SYS || defined __DOXYGEN__
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| 89 | #define NO_SYS 0
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| 90 | #endif
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| 91 | /**
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| 92 | * @}
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| 93 | */
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| 94 |
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| 95 | /**
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| 96 | * @defgroup lwip_opts_timers Timers
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| 97 | * @ingroup lwip_opts_infrastructure
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| 98 | * @{
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| 99 | */
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| 100 | /**
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| 101 | * LWIP_TIMERS==0: Drop support for sys_timeout and lwip-internal cyclic timers.
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| 102 | * (the array of lwip-internal cyclic timers is still provided)
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| 103 | * (check NO_SYS_NO_TIMERS for compatibility to old versions)
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| 104 | */
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| 105 | #if !defined LWIP_TIMERS || defined __DOXYGEN__
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| 106 | #ifdef NO_SYS_NO_TIMERS
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| 107 | #define LWIP_TIMERS (!NO_SYS || (NO_SYS && !NO_SYS_NO_TIMERS))
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| 108 | #else
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| 109 | #define LWIP_TIMERS 1
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| 110 | #endif
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| 111 | #endif
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| 112 |
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| 113 | /**
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| 114 | * LWIP_TIMERS_CUSTOM==1: Provide your own timer implementation.
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| 115 | * Function prototypes in timeouts.h and the array of lwip-internal cyclic timers
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| 116 | * are still included, but the implementation is not. The following functions
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| 117 | * will be required: sys_timeouts_init(), sys_timeout(), sys_untimeout(),
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| 118 | * sys_timeouts_mbox_fetch()
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| 119 | */
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| 120 | #if !defined LWIP_TIMERS_CUSTOM || defined __DOXYGEN__
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| 121 | #define LWIP_TIMERS_CUSTOM 0
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| 122 | #endif
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| 123 | /**
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| 124 | * @}
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| 125 | */
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| 126 |
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| 127 | /**
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| 128 | * @defgroup lwip_opts_memcpy memcpy
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| 129 | * @ingroup lwip_opts_infrastructure
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| 130 | * @{
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| 131 | */
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| 132 | /**
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| 133 | * MEMCPY: override this if you have a faster implementation at hand than the
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| 134 | * one included in your C library
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| 135 | */
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| 136 | #if !defined MEMCPY || defined __DOXYGEN__
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| 137 | #define MEMCPY(dst,src,len) memcpy(dst,src,len)
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| 138 | #endif
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| 139 |
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| 140 | /**
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| 141 | * SMEMCPY: override this with care! Some compilers (e.g. gcc) can inline a
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| 142 | * call to memcpy() if the length is known at compile time and is small.
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| 143 | */
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| 144 | #if !defined SMEMCPY || defined __DOXYGEN__
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| 145 | #define SMEMCPY(dst,src,len) memcpy(dst,src,len)
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| 146 | #endif
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| 147 |
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| 148 | /**
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| 149 | * MEMMOVE: override this if you have a faster implementation at hand than the
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| 150 | * one included in your C library. lwIP currently uses MEMMOVE only when IPv6
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| 151 | * fragmentation support is enabled.
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| 152 | */
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| 153 | #if !defined MEMMOVE || defined __DOXYGEN__
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| 154 | #define MEMMOVE(dst,src,len) memmove(dst,src,len)
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| 155 | #endif
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| 156 | /**
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| 157 | * @}
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| 158 | */
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| 159 |
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| 160 | /*
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| 161 | ------------------------------------
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| 162 | ----------- Core locking -----------
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| 163 | ------------------------------------
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| 164 | */
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| 165 | /**
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| 166 | * @defgroup lwip_opts_lock Core locking and MPU
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| 167 | * @ingroup lwip_opts_infrastructure
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| 168 | * @{
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| 169 | */
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| 170 | /**
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| 171 | * LWIP_MPU_COMPATIBLE: enables special memory management mechanism
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| 172 | * which makes lwip able to work on MPU (Memory Protection Unit) system
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| 173 | * by not passing stack-pointers to other threads
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| 174 | * (this decreases performance as memory is allocated from pools instead
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| 175 | * of keeping it on the stack)
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| 176 | */
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| 177 | #if !defined LWIP_MPU_COMPATIBLE || defined __DOXYGEN__
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| 178 | #define LWIP_MPU_COMPATIBLE 0
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| 179 | #endif
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| 180 |
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| 181 | /**
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| 182 | * LWIP_TCPIP_CORE_LOCKING
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| 183 | * Creates a global mutex that is held during TCPIP thread operations.
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| 184 | * Can be locked by client code to perform lwIP operations without changing
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| 185 | * into TCPIP thread using callbacks. See LOCK_TCPIP_CORE() and
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| 186 | * UNLOCK_TCPIP_CORE().
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| 187 | * Your system should provide mutexes supporting priority inversion to use this.
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| 188 | */
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| 189 | #if !defined LWIP_TCPIP_CORE_LOCKING || defined __DOXYGEN__
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| 190 | #define LWIP_TCPIP_CORE_LOCKING 1
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| 191 | #endif
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| 192 |
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| 193 | /**
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| 194 | * LWIP_TCPIP_CORE_LOCKING_INPUT: when LWIP_TCPIP_CORE_LOCKING is enabled,
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| 195 | * this lets tcpip_input() grab the mutex for input packets as well,
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| 196 | * instead of allocating a message and passing it to tcpip_thread.
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| 197 | *
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| 198 | * ATTENTION: this does not work when tcpip_input() is called from
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| 199 | * interrupt context!
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| 200 | */
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| 201 | #if !defined LWIP_TCPIP_CORE_LOCKING_INPUT || defined __DOXYGEN__
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| 202 | #define LWIP_TCPIP_CORE_LOCKING_INPUT 0
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| 203 | #endif
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| 204 |
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| 205 | /**
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| 206 | * SYS_LIGHTWEIGHT_PROT==1: enable inter-task protection (and task-vs-interrupt
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| 207 | * protection) for certain critical regions during buffer allocation, deallocation
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| 208 | * and memory allocation and deallocation.
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| 209 | * ATTENTION: This is required when using lwIP from more than one context! If
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| 210 | * you disable this, you must be sure what you are doing!
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| 211 | */
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| 212 | #if !defined SYS_LIGHTWEIGHT_PROT || defined __DOXYGEN__
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| 213 | #define SYS_LIGHTWEIGHT_PROT 1
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| 214 | #endif
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| 215 |
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| 216 | /**
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| 217 | * Macro/function to check whether lwIP's threading/locking
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| 218 | * requirements are satisfied during current function call.
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| 219 | * This macro usually calls a function that is implemented in the OS-dependent
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| 220 | * sys layer and performs the following checks:
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| 221 | * - Not in ISR (this should be checked for NO_SYS==1, too!)
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| 222 | * - If @ref LWIP_TCPIP_CORE_LOCKING = 1: TCPIP core lock is held
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| 223 | * - If @ref LWIP_TCPIP_CORE_LOCKING = 0: function is called from TCPIP thread
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| 224 | * @see @ref multithreading
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| 225 | */
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| 226 | #if !defined LWIP_ASSERT_CORE_LOCKED || defined __DOXYGEN__
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| 227 | #define LWIP_ASSERT_CORE_LOCKED()
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| 228 | #endif
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| 229 |
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| 230 | /**
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| 231 | * Called as first thing in the lwIP TCPIP thread. Can be used in conjunction
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| 232 | * with @ref LWIP_ASSERT_CORE_LOCKED to check core locking.
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| 233 | * @see @ref multithreading
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| 234 | */
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| 235 | #if !defined LWIP_MARK_TCPIP_THREAD || defined __DOXYGEN__
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| 236 | #define LWIP_MARK_TCPIP_THREAD()
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| 237 | #endif
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| 238 | /**
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| 239 | * @}
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| 240 | */
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| 241 |
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| 242 | /*
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| 243 | ------------------------------------
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| 244 | ---------- Memory options ----------
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| 245 | ------------------------------------
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| 246 | */
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| 247 | /**
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| 248 | * @defgroup lwip_opts_mem Heap and memory pools
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| 249 | * @ingroup lwip_opts_infrastructure
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| 250 | * @{
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| 251 | */
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| 252 | /**
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| 253 | * MEM_LIBC_MALLOC==1: Use malloc/free/realloc provided by your C-library
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| 254 | * instead of the lwip internal allocator. Can save code size if you
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| 255 | * already use it.
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| 256 | */
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| 257 | #if !defined MEM_LIBC_MALLOC || defined __DOXYGEN__
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| 258 | #define MEM_LIBC_MALLOC 0
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| 259 | #endif
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| 260 |
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| 261 | /**
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| 262 | * MEMP_MEM_MALLOC==1: Use mem_malloc/mem_free instead of the lwip pool allocator.
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| 263 | * Especially useful with MEM_LIBC_MALLOC but handle with care regarding execution
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| 264 | * speed (heap alloc can be much slower than pool alloc) and usage from interrupts
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| 265 | * (especially if your netif driver allocates PBUF_POOL pbufs for received frames
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| 266 | * from interrupt)!
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| 267 | * ATTENTION: Currently, this uses the heap for ALL pools (also for private pools,
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| 268 | * not only for internal pools defined in memp_std.h)!
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| 269 | */
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| 270 | #if !defined MEMP_MEM_MALLOC || defined __DOXYGEN__
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| 271 | #define MEMP_MEM_MALLOC 0
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| 272 | #endif
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| 273 |
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| 274 | /**
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| 275 | * MEMP_MEM_INIT==1: Force use of memset to initialize pool memory.
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| 276 | * Useful if pool are moved in uninitialized section of memory. This will ensure
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| 277 | * default values in pcbs struct are well initialized in all conditions.
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| 278 | */
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| 279 | #if !defined MEMP_MEM_INIT || defined __DOXYGEN__
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| 280 | #define MEMP_MEM_INIT 0
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| 281 | #endif
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| 282 |
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| 283 | /**
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| 284 | * MEM_ALIGNMENT: should be set to the alignment of the CPU
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| 285 | * 4 byte alignment -> \#define MEM_ALIGNMENT 4
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| 286 | * 2 byte alignment -> \#define MEM_ALIGNMENT 2
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| 287 | */
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| 288 | #if !defined MEM_ALIGNMENT || defined __DOXYGEN__
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| 289 | #define MEM_ALIGNMENT 1
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| 290 | #endif
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| 291 |
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| 292 | /**
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| 293 | * MEM_SIZE: the size of the heap memory. If the application will send
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| 294 | * a lot of data that needs to be copied, this should be set high.
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| 295 | */
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| 296 | #if !defined MEM_SIZE || defined __DOXYGEN__
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| 297 | #define MEM_SIZE 1600
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| 298 | #endif
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| 299 |
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| 300 | /**
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| 301 | * MEMP_OVERFLOW_CHECK: memp overflow protection reserves a configurable
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| 302 | * amount of bytes before and after each memp element in every pool and fills
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| 303 | * it with a prominent default value.
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| 304 | * MEMP_OVERFLOW_CHECK == 0 no checking
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| 305 | * MEMP_OVERFLOW_CHECK == 1 checks each element when it is freed
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| 306 | * MEMP_OVERFLOW_CHECK >= 2 checks each element in every pool every time
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| 307 | * memp_malloc() or memp_free() is called (useful but slow!)
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| 308 | */
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| 309 | #if !defined MEMP_OVERFLOW_CHECK || defined __DOXYGEN__
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| 310 | #define MEMP_OVERFLOW_CHECK 0
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| 311 | #endif
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| 312 |
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| 313 | /**
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| 314 | * MEMP_SANITY_CHECK==1: run a sanity check after each memp_free() to make
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| 315 | * sure that there are no cycles in the linked lists.
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| 316 | */
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| 317 | #if !defined MEMP_SANITY_CHECK || defined __DOXYGEN__
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| 318 | #define MEMP_SANITY_CHECK 0
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| 319 | #endif
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| 320 |
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| 321 | /**
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| 322 | * MEM_OVERFLOW_CHECK: mem overflow protection reserves a configurable
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| 323 | * amount of bytes before and after each heap allocation chunk and fills
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| 324 | * it with a prominent default value.
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| 325 | * MEM_OVERFLOW_CHECK == 0 no checking
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| 326 | * MEM_OVERFLOW_CHECK == 1 checks each element when it is freed
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| 327 | * MEM_OVERFLOW_CHECK >= 2 checks all heap elements every time
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| 328 | * mem_malloc() or mem_free() is called (useful but slow!)
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| 329 | */
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| 330 | #if !defined MEM_OVERFLOW_CHECK || defined __DOXYGEN__
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| 331 | #define MEM_OVERFLOW_CHECK 0
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| 332 | #endif
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| 333 |
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| 334 | /**
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| 335 | * MEM_SANITY_CHECK==1: run a sanity check after each mem_free() to make
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| 336 | * sure that the linked list of heap elements is not corrupted.
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| 337 | */
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| 338 | #if !defined MEM_SANITY_CHECK || defined __DOXYGEN__
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| 339 | #define MEM_SANITY_CHECK 0
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| 340 | #endif
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| 341 |
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| 342 | /**
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| 343 | * MEM_USE_POOLS==1: Use an alternative to malloc() by allocating from a set
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| 344 | * of memory pools of various sizes. When mem_malloc is called, an element of
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| 345 | * the smallest pool that can provide the length needed is returned.
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| 346 | * To use this, MEMP_USE_CUSTOM_POOLS also has to be enabled.
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| 347 | */
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| 348 | #if !defined MEM_USE_POOLS || defined __DOXYGEN__
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| 349 | #define MEM_USE_POOLS 0
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| 350 | #endif
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| 351 |
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| 352 | /**
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| 353 | * MEM_USE_POOLS_TRY_BIGGER_POOL==1: if one malloc-pool is empty, try the next
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| 354 | * bigger pool - WARNING: THIS MIGHT WASTE MEMORY but it can make a system more
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| 355 | * reliable. */
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| 356 | #if !defined MEM_USE_POOLS_TRY_BIGGER_POOL || defined __DOXYGEN__
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| 357 | #define MEM_USE_POOLS_TRY_BIGGER_POOL 0
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| 358 | #endif
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| 359 |
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| 360 | /**
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| 361 | * MEMP_USE_CUSTOM_POOLS==1: whether to include a user file lwippools.h
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| 362 | * that defines additional pools beyond the "standard" ones required
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| 363 | * by lwIP. If you set this to 1, you must have lwippools.h in your
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| 364 | * include path somewhere.
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| 365 | */
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| 366 | #if !defined MEMP_USE_CUSTOM_POOLS || defined __DOXYGEN__
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| 367 | #define MEMP_USE_CUSTOM_POOLS 0
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| 368 | #endif
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| 369 |
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| 370 | /**
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| 371 | * Set this to 1 if you want to free PBUF_RAM pbufs (or call mem_free()) from
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| 372 | * interrupt context (or another context that doesn't allow waiting for a
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| 373 | * semaphore).
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| 374 | * If set to 1, mem_malloc will be protected by a semaphore and SYS_ARCH_PROTECT,
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| 375 | * while mem_free will only use SYS_ARCH_PROTECT. mem_malloc SYS_ARCH_UNPROTECTs
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| 376 | * with each loop so that mem_free can run.
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| 377 | *
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| 378 | * ATTENTION: As you can see from the above description, this leads to dis-/
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| 379 | * enabling interrupts often, which can be slow! Also, on low memory, mem_malloc
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| 380 | * can need longer.
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| 381 | *
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| 382 | * If you don't want that, at least for NO_SYS=0, you can still use the following
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| 383 | * functions to enqueue a deallocation call which then runs in the tcpip_thread
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| 384 | * context:
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| 385 | * - pbuf_free_callback(p);
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| 386 | * - mem_free_callback(m);
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| 387 | */
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| 388 | #if !defined LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT || defined __DOXYGEN__
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| 389 | #define LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT 0
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| 390 | #endif
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| 391 | /**
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| 392 | * @}
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| 393 | */
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| 394 |
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| 395 | /*
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| 396 | ------------------------------------------------
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| 397 | ---------- Internal Memory Pool Sizes ----------
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| 398 | ------------------------------------------------
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| 399 | */
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| 400 | /**
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| 401 | * @defgroup lwip_opts_memp Internal memory pools
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| 402 | * @ingroup lwip_opts_infrastructure
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| 403 | * @{
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| 404 | */
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| 405 | /**
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| 406 | * MEMP_NUM_PBUF: the number of memp struct pbufs (used for PBUF_ROM and PBUF_REF).
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| 407 | * If the application sends a lot of data out of ROM (or other static memory),
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| 408 | * this should be set high.
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| 409 | */
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| 410 | #if !defined MEMP_NUM_PBUF || defined __DOXYGEN__
|
---|
| 411 | #define MEMP_NUM_PBUF 16
|
---|
| 412 | #endif
|
---|
| 413 |
|
---|
| 414 | /**
|
---|
| 415 | * MEMP_NUM_RAW_PCB: Number of raw connection PCBs
|
---|
| 416 | * (requires the LWIP_RAW option)
|
---|
| 417 | */
|
---|
| 418 | #if !defined MEMP_NUM_RAW_PCB || defined __DOXYGEN__
|
---|
| 419 | #define MEMP_NUM_RAW_PCB 4
|
---|
| 420 | #endif
|
---|
| 421 |
|
---|
| 422 | /**
|
---|
| 423 | * MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
|
---|
| 424 | * per active UDP "connection".
|
---|
| 425 | * (requires the LWIP_UDP option)
|
---|
| 426 | */
|
---|
| 427 | #if !defined MEMP_NUM_UDP_PCB || defined __DOXYGEN__
|
---|
| 428 | #define MEMP_NUM_UDP_PCB 4
|
---|
| 429 | #endif
|
---|
| 430 |
|
---|
| 431 | /**
|
---|
| 432 | * MEMP_NUM_TCP_PCB: the number of simultaneously active TCP connections.
|
---|
| 433 | * (requires the LWIP_TCP option)
|
---|
| 434 | */
|
---|
| 435 | #if !defined MEMP_NUM_TCP_PCB || defined __DOXYGEN__
|
---|
| 436 | #define MEMP_NUM_TCP_PCB 5
|
---|
| 437 | #endif
|
---|
| 438 |
|
---|
| 439 | /**
|
---|
| 440 | * MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP connections.
|
---|
| 441 | * (requires the LWIP_TCP option)
|
---|
| 442 | */
|
---|
| 443 | #if !defined MEMP_NUM_TCP_PCB_LISTEN || defined __DOXYGEN__
|
---|
| 444 | #define MEMP_NUM_TCP_PCB_LISTEN 8
|
---|
| 445 | #endif
|
---|
| 446 |
|
---|
| 447 | /**
|
---|
| 448 | * MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP segments.
|
---|
| 449 | * (requires the LWIP_TCP option)
|
---|
| 450 | */
|
---|
| 451 | #if !defined MEMP_NUM_TCP_SEG || defined __DOXYGEN__
|
---|
| 452 | #define MEMP_NUM_TCP_SEG 16
|
---|
| 453 | #endif
|
---|
| 454 |
|
---|
| 455 | /**
|
---|
| 456 | * MEMP_NUM_ALTCP_PCB: the number of simultaneously active altcp layer pcbs.
|
---|
| 457 | * (requires the LWIP_ALTCP option)
|
---|
| 458 | * Connections with multiple layers require more than one altcp_pcb (e.g. TLS
|
---|
| 459 | * over TCP requires 2 altcp_pcbs, one for TLS and one for TCP).
|
---|
| 460 | */
|
---|
| 461 | #if !defined MEMP_NUM_ALTCP_PCB || defined __DOXYGEN__
|
---|
| 462 | #define MEMP_NUM_ALTCP_PCB MEMP_NUM_TCP_PCB
|
---|
| 463 | #endif
|
---|
| 464 |
|
---|
| 465 | /**
|
---|
| 466 | * MEMP_NUM_REASSDATA: the number of IP packets simultaneously queued for
|
---|
| 467 | * reassembly (whole packets, not fragments!)
|
---|
| 468 | */
|
---|
| 469 | #if !defined MEMP_NUM_REASSDATA || defined __DOXYGEN__
|
---|
| 470 | #define MEMP_NUM_REASSDATA 5
|
---|
| 471 | #endif
|
---|
| 472 |
|
---|
| 473 | /**
|
---|
| 474 | * MEMP_NUM_FRAG_PBUF: the number of IP fragments simultaneously sent
|
---|
| 475 | * (fragments, not whole packets!).
|
---|
| 476 | * This is only used with LWIP_NETIF_TX_SINGLE_PBUF==0 and only has to be > 1
|
---|
| 477 | * with DMA-enabled MACs where the packet is not yet sent when netif->output
|
---|
| 478 | * returns.
|
---|
| 479 | */
|
---|
| 480 | #if !defined MEMP_NUM_FRAG_PBUF || defined __DOXYGEN__
|
---|
| 481 | #define MEMP_NUM_FRAG_PBUF 15
|
---|
| 482 | #endif
|
---|
| 483 |
|
---|
| 484 | /**
|
---|
| 485 | * MEMP_NUM_ARP_QUEUE: the number of simultaneously queued outgoing
|
---|
| 486 | * packets (pbufs) that are waiting for an ARP request (to resolve
|
---|
| 487 | * their destination address) to finish.
|
---|
| 488 | * (requires the ARP_QUEUEING option)
|
---|
| 489 | */
|
---|
| 490 | #if !defined MEMP_NUM_ARP_QUEUE || defined __DOXYGEN__
|
---|
| 491 | #define MEMP_NUM_ARP_QUEUE 30
|
---|
| 492 | #endif
|
---|
| 493 |
|
---|
| 494 | /**
|
---|
| 495 | * MEMP_NUM_IGMP_GROUP: The number of multicast groups whose network interfaces
|
---|
| 496 | * can be members at the same time (one per netif - allsystems group -, plus one
|
---|
| 497 | * per netif membership).
|
---|
| 498 | * (requires the LWIP_IGMP option)
|
---|
| 499 | */
|
---|
| 500 | #if !defined MEMP_NUM_IGMP_GROUP || defined __DOXYGEN__
|
---|
| 501 | #define MEMP_NUM_IGMP_GROUP 8
|
---|
| 502 | #endif
|
---|
| 503 |
|
---|
| 504 | /**
|
---|
| 505 | * The number of sys timeouts used by the core stack (not apps)
|
---|
| 506 | * The default number of timeouts is calculated here for all enabled modules.
|
---|
| 507 | */
|
---|
| 508 | #define LWIP_NUM_SYS_TIMEOUT_INTERNAL (LWIP_TCP + IP_REASSEMBLY + LWIP_ARP + (2*LWIP_DHCP) + LWIP_AUTOIP + LWIP_IGMP + LWIP_DNS + PPP_NUM_TIMEOUTS + (LWIP_IPV6 * (1 + LWIP_IPV6_REASS + LWIP_IPV6_MLD)))
|
---|
| 509 |
|
---|
| 510 | /**
|
---|
| 511 | * MEMP_NUM_SYS_TIMEOUT: the number of simultaneously active timeouts.
|
---|
| 512 | * The default number of timeouts is calculated here for all enabled modules.
|
---|
| 513 | * The formula expects settings to be either '0' or '1'.
|
---|
| 514 | */
|
---|
| 515 | #if !defined MEMP_NUM_SYS_TIMEOUT || defined __DOXYGEN__
|
---|
| 516 | #define MEMP_NUM_SYS_TIMEOUT LWIP_NUM_SYS_TIMEOUT_INTERNAL
|
---|
| 517 | #endif
|
---|
| 518 |
|
---|
| 519 | /**
|
---|
| 520 | * MEMP_NUM_NETBUF: the number of struct netbufs.
|
---|
| 521 | * (only needed if you use the sequential API, like api_lib.c)
|
---|
| 522 | */
|
---|
| 523 | #if !defined MEMP_NUM_NETBUF || defined __DOXYGEN__
|
---|
| 524 | #define MEMP_NUM_NETBUF 2
|
---|
| 525 | #endif
|
---|
| 526 |
|
---|
| 527 | /**
|
---|
| 528 | * MEMP_NUM_NETCONN: the number of struct netconns.
|
---|
| 529 | * (only needed if you use the sequential API, like api_lib.c)
|
---|
| 530 | */
|
---|
| 531 | #if !defined MEMP_NUM_NETCONN || defined __DOXYGEN__
|
---|
| 532 | #define MEMP_NUM_NETCONN 4
|
---|
| 533 | #endif
|
---|
| 534 |
|
---|
| 535 | /**
|
---|
| 536 | * MEMP_NUM_SELECT_CB: the number of struct lwip_select_cb.
|
---|
| 537 | * (Only needed if you have LWIP_MPU_COMPATIBLE==1 and use the socket API.
|
---|
| 538 | * In that case, you need one per thread calling lwip_select.)
|
---|
| 539 | */
|
---|
| 540 | #if !defined MEMP_NUM_SELECT_CB || defined __DOXYGEN__
|
---|
| 541 | #define MEMP_NUM_SELECT_CB 4
|
---|
| 542 | #endif
|
---|
| 543 |
|
---|
| 544 | /**
|
---|
| 545 | * MEMP_NUM_TCPIP_MSG_API: the number of struct tcpip_msg, which are used
|
---|
| 546 | * for callback/timeout API communication.
|
---|
| 547 | * (only needed if you use tcpip.c)
|
---|
| 548 | */
|
---|
| 549 | #if !defined MEMP_NUM_TCPIP_MSG_API || defined __DOXYGEN__
|
---|
| 550 | #define MEMP_NUM_TCPIP_MSG_API 8
|
---|
| 551 | #endif
|
---|
| 552 |
|
---|
| 553 | /**
|
---|
| 554 | * MEMP_NUM_TCPIP_MSG_INPKT: the number of struct tcpip_msg, which are used
|
---|
| 555 | * for incoming packets.
|
---|
| 556 | * (only needed if you use tcpip.c)
|
---|
| 557 | */
|
---|
| 558 | #if !defined MEMP_NUM_TCPIP_MSG_INPKT || defined __DOXYGEN__
|
---|
| 559 | #define MEMP_NUM_TCPIP_MSG_INPKT 8
|
---|
| 560 | #endif
|
---|
| 561 |
|
---|
| 562 | /**
|
---|
| 563 | * MEMP_NUM_NETDB: the number of concurrently running lwip_addrinfo() calls
|
---|
| 564 | * (before freeing the corresponding memory using lwip_freeaddrinfo()).
|
---|
| 565 | */
|
---|
| 566 | #if !defined MEMP_NUM_NETDB || defined __DOXYGEN__
|
---|
| 567 | #define MEMP_NUM_NETDB 1
|
---|
| 568 | #endif
|
---|
| 569 |
|
---|
| 570 | /**
|
---|
| 571 | * MEMP_NUM_LOCALHOSTLIST: the number of host entries in the local host list
|
---|
| 572 | * if DNS_LOCAL_HOSTLIST_IS_DYNAMIC==1.
|
---|
| 573 | */
|
---|
| 574 | #if !defined MEMP_NUM_LOCALHOSTLIST || defined __DOXYGEN__
|
---|
| 575 | #define MEMP_NUM_LOCALHOSTLIST 1
|
---|
| 576 | #endif
|
---|
| 577 |
|
---|
| 578 | /**
|
---|
| 579 | * PBUF_POOL_SIZE: the number of buffers in the pbuf pool.
|
---|
| 580 | */
|
---|
| 581 | #if !defined PBUF_POOL_SIZE || defined __DOXYGEN__
|
---|
| 582 | #define PBUF_POOL_SIZE 16
|
---|
| 583 | #endif
|
---|
| 584 |
|
---|
| 585 | /** MEMP_NUM_API_MSG: the number of concurrently active calls to various
|
---|
| 586 | * socket, netconn, and tcpip functions
|
---|
| 587 | */
|
---|
| 588 | #if !defined MEMP_NUM_API_MSG || defined __DOXYGEN__
|
---|
| 589 | #define MEMP_NUM_API_MSG MEMP_NUM_TCPIP_MSG_API
|
---|
| 590 | #endif
|
---|
| 591 |
|
---|
| 592 | /** MEMP_NUM_DNS_API_MSG: the number of concurrently active calls to netconn_gethostbyname
|
---|
| 593 | */
|
---|
| 594 | #if !defined MEMP_NUM_DNS_API_MSG || defined __DOXYGEN__
|
---|
| 595 | #define MEMP_NUM_DNS_API_MSG MEMP_NUM_TCPIP_MSG_API
|
---|
| 596 | #endif
|
---|
| 597 |
|
---|
| 598 | /** MEMP_NUM_SOCKET_SETGETSOCKOPT_DATA: the number of concurrently active calls
|
---|
| 599 | * to getsockopt/setsockopt
|
---|
| 600 | */
|
---|
| 601 | #if !defined MEMP_NUM_SOCKET_SETGETSOCKOPT_DATA || defined __DOXYGEN__
|
---|
| 602 | #define MEMP_NUM_SOCKET_SETGETSOCKOPT_DATA MEMP_NUM_TCPIP_MSG_API
|
---|
| 603 | #endif
|
---|
| 604 |
|
---|
| 605 | /** MEMP_NUM_NETIFAPI_MSG: the number of concurrently active calls to the
|
---|
| 606 | * netifapi functions
|
---|
| 607 | */
|
---|
| 608 | #if !defined MEMP_NUM_NETIFAPI_MSG || defined __DOXYGEN__
|
---|
| 609 | #define MEMP_NUM_NETIFAPI_MSG MEMP_NUM_TCPIP_MSG_API
|
---|
| 610 | #endif
|
---|
| 611 | /**
|
---|
| 612 | * @}
|
---|
| 613 | */
|
---|
| 614 |
|
---|
| 615 | /*
|
---|
| 616 | ---------------------------------
|
---|
| 617 | ---------- ARP options ----------
|
---|
| 618 | ---------------------------------
|
---|
| 619 | */
|
---|
| 620 | /**
|
---|
| 621 | * @defgroup lwip_opts_arp ARP
|
---|
| 622 | * @ingroup lwip_opts_ipv4
|
---|
| 623 | * @{
|
---|
| 624 | */
|
---|
| 625 | /**
|
---|
| 626 | * LWIP_ARP==1: Enable ARP functionality.
|
---|
| 627 | */
|
---|
| 628 | #if !defined LWIP_ARP || defined __DOXYGEN__
|
---|
| 629 | #define LWIP_ARP 1
|
---|
| 630 | #endif
|
---|
| 631 |
|
---|
| 632 | /**
|
---|
| 633 | * ARP_TABLE_SIZE: Number of active MAC-IP address pairs cached.
|
---|
| 634 | */
|
---|
| 635 | #if !defined ARP_TABLE_SIZE || defined __DOXYGEN__
|
---|
| 636 | #define ARP_TABLE_SIZE 10
|
---|
| 637 | #endif
|
---|
| 638 |
|
---|
| 639 | /** the time an ARP entry stays valid after its last update,
|
---|
| 640 | * for ARP_TMR_INTERVAL = 1000, this is
|
---|
| 641 | * (60 * 5) seconds = 5 minutes.
|
---|
| 642 | */
|
---|
| 643 | #if !defined ARP_MAXAGE || defined __DOXYGEN__
|
---|
| 644 | #define ARP_MAXAGE 300
|
---|
| 645 | #endif
|
---|
| 646 |
|
---|
| 647 | /**
|
---|
| 648 | * ARP_QUEUEING==1: Multiple outgoing packets are queued during hardware address
|
---|
| 649 | * resolution. By default, only the most recent packet is queued per IP address.
|
---|
| 650 | * This is sufficient for most protocols and mainly reduces TCP connection
|
---|
| 651 | * startup time. Set this to 1 if you know your application sends more than one
|
---|
| 652 | * packet in a row to an IP address that is not in the ARP cache.
|
---|
| 653 | */
|
---|
| 654 | #if !defined ARP_QUEUEING || defined __DOXYGEN__
|
---|
| 655 | #define ARP_QUEUEING 0
|
---|
| 656 | #endif
|
---|
| 657 |
|
---|
| 658 | /** The maximum number of packets which may be queued for each
|
---|
| 659 | * unresolved address by other network layers. Defaults to 3, 0 means disabled.
|
---|
| 660 | * Old packets are dropped, new packets are queued.
|
---|
| 661 | */
|
---|
| 662 | #if !defined ARP_QUEUE_LEN || defined __DOXYGEN__
|
---|
| 663 | #define ARP_QUEUE_LEN 3
|
---|
| 664 | #endif
|
---|
| 665 |
|
---|
| 666 | /**
|
---|
| 667 | * ETHARP_SUPPORT_VLAN==1: support receiving and sending ethernet packets with
|
---|
| 668 | * VLAN header. See the description of LWIP_HOOK_VLAN_CHECK and
|
---|
| 669 | * LWIP_HOOK_VLAN_SET hooks to check/set VLAN headers.
|
---|
| 670 | * Additionally, you can define ETHARP_VLAN_CHECK to an u16_t VLAN ID to check.
|
---|
| 671 | * If ETHARP_VLAN_CHECK is defined, only VLAN-traffic for this VLAN is accepted.
|
---|
| 672 | * If ETHARP_VLAN_CHECK is not defined, all traffic is accepted.
|
---|
| 673 | * Alternatively, define a function/define ETHARP_VLAN_CHECK_FN(eth_hdr, vlan)
|
---|
| 674 | * that returns 1 to accept a packet or 0 to drop a packet.
|
---|
| 675 | */
|
---|
| 676 | #if !defined ETHARP_SUPPORT_VLAN || defined __DOXYGEN__
|
---|
| 677 | #define ETHARP_SUPPORT_VLAN 0
|
---|
| 678 | #endif
|
---|
| 679 |
|
---|
| 680 | /** LWIP_ETHERNET==1: enable ethernet support even though ARP might be disabled
|
---|
| 681 | */
|
---|
| 682 | #if !defined LWIP_ETHERNET || defined __DOXYGEN__
|
---|
| 683 | #define LWIP_ETHERNET LWIP_ARP
|
---|
| 684 | #endif
|
---|
| 685 |
|
---|
| 686 | /** ETH_PAD_SIZE: number of bytes added before the ethernet header to ensure
|
---|
| 687 | * alignment of payload after that header. Since the header is 14 bytes long,
|
---|
| 688 | * without this padding e.g. addresses in the IP header will not be aligned
|
---|
| 689 | * on a 32-bit boundary, so setting this to 2 can speed up 32-bit-platforms.
|
---|
| 690 | */
|
---|
| 691 | #if !defined ETH_PAD_SIZE || defined __DOXYGEN__
|
---|
| 692 | #define ETH_PAD_SIZE 0
|
---|
| 693 | #endif
|
---|
| 694 |
|
---|
| 695 | /** ETHARP_SUPPORT_STATIC_ENTRIES==1: enable code to support static ARP table
|
---|
| 696 | * entries (using etharp_add_static_entry/etharp_remove_static_entry).
|
---|
| 697 | */
|
---|
| 698 | #if !defined ETHARP_SUPPORT_STATIC_ENTRIES || defined __DOXYGEN__
|
---|
| 699 | #define ETHARP_SUPPORT_STATIC_ENTRIES 0
|
---|
| 700 | #endif
|
---|
| 701 |
|
---|
| 702 | /** ETHARP_TABLE_MATCH_NETIF==1: Match netif for ARP table entries.
|
---|
| 703 | * If disabled, duplicate IP address on multiple netifs are not supported
|
---|
| 704 | * (but this should only occur for AutoIP).
|
---|
| 705 | */
|
---|
| 706 | #if !defined ETHARP_TABLE_MATCH_NETIF || defined __DOXYGEN__
|
---|
| 707 | #define ETHARP_TABLE_MATCH_NETIF !LWIP_SINGLE_NETIF
|
---|
| 708 | #endif
|
---|
| 709 | /**
|
---|
| 710 | * @}
|
---|
| 711 | */
|
---|
| 712 |
|
---|
| 713 | /*
|
---|
| 714 | --------------------------------
|
---|
| 715 | ---------- IP options ----------
|
---|
| 716 | --------------------------------
|
---|
| 717 | */
|
---|
| 718 | /**
|
---|
| 719 | * @defgroup lwip_opts_ipv4 IPv4
|
---|
| 720 | * @ingroup lwip_opts
|
---|
| 721 | * @{
|
---|
| 722 | */
|
---|
| 723 | /**
|
---|
| 724 | * LWIP_IPV4==1: Enable IPv4
|
---|
| 725 | */
|
---|
| 726 | #if !defined LWIP_IPV4 || defined __DOXYGEN__
|
---|
| 727 | #define LWIP_IPV4 1
|
---|
| 728 | #endif
|
---|
| 729 |
|
---|
| 730 | /**
|
---|
| 731 | * IP_FORWARD==1: Enables the ability to forward IP packets across network
|
---|
| 732 | * interfaces. If you are going to run lwIP on a device with only one network
|
---|
| 733 | * interface, define this to 0.
|
---|
| 734 | */
|
---|
| 735 | #if !defined IP_FORWARD || defined __DOXYGEN__
|
---|
| 736 | #define IP_FORWARD 0
|
---|
| 737 | #endif
|
---|
| 738 |
|
---|
| 739 | /**
|
---|
| 740 | * IP_REASSEMBLY==1: Reassemble incoming fragmented IP packets. Note that
|
---|
| 741 | * this option does not affect outgoing packet sizes, which can be controlled
|
---|
| 742 | * via IP_FRAG.
|
---|
| 743 | */
|
---|
| 744 | #if !defined IP_REASSEMBLY || defined __DOXYGEN__
|
---|
| 745 | #define IP_REASSEMBLY 1
|
---|
| 746 | #endif
|
---|
| 747 |
|
---|
| 748 | /**
|
---|
| 749 | * IP_FRAG==1: Fragment outgoing IP packets if their size exceeds MTU. Note
|
---|
| 750 | * that this option does not affect incoming packet sizes, which can be
|
---|
| 751 | * controlled via IP_REASSEMBLY.
|
---|
| 752 | */
|
---|
| 753 | #if !defined IP_FRAG || defined __DOXYGEN__
|
---|
| 754 | #define IP_FRAG 1
|
---|
| 755 | #endif
|
---|
| 756 |
|
---|
| 757 | #if !LWIP_IPV4
|
---|
| 758 | /* disable IPv4 extensions when IPv4 is disabled */
|
---|
| 759 | #undef IP_FORWARD
|
---|
| 760 | #define IP_FORWARD 0
|
---|
| 761 | #undef IP_REASSEMBLY
|
---|
| 762 | #define IP_REASSEMBLY 0
|
---|
| 763 | #undef IP_FRAG
|
---|
| 764 | #define IP_FRAG 0
|
---|
| 765 | #endif /* !LWIP_IPV4 */
|
---|
| 766 |
|
---|
| 767 | /**
|
---|
| 768 | * IP_OPTIONS_ALLOWED: Defines the behavior for IP options.
|
---|
| 769 | * IP_OPTIONS_ALLOWED==0: All packets with IP options are dropped.
|
---|
| 770 | * IP_OPTIONS_ALLOWED==1: IP options are allowed (but not parsed).
|
---|
| 771 | */
|
---|
| 772 | #if !defined IP_OPTIONS_ALLOWED || defined __DOXYGEN__
|
---|
| 773 | #define IP_OPTIONS_ALLOWED 1
|
---|
| 774 | #endif
|
---|
| 775 |
|
---|
| 776 | /**
|
---|
| 777 | * IP_REASS_MAXAGE: Maximum time (in multiples of IP_TMR_INTERVAL - so seconds, normally)
|
---|
| 778 | * a fragmented IP packet waits for all fragments to arrive. If not all fragments arrived
|
---|
| 779 | * in this time, the whole packet is discarded.
|
---|
| 780 | */
|
---|
| 781 | #if !defined IP_REASS_MAXAGE || defined __DOXYGEN__
|
---|
| 782 | #define IP_REASS_MAXAGE 15
|
---|
| 783 | #endif
|
---|
| 784 |
|
---|
| 785 | /**
|
---|
| 786 | * IP_REASS_MAX_PBUFS: Total maximum amount of pbufs waiting to be reassembled.
|
---|
| 787 | * Since the received pbufs are enqueued, be sure to configure
|
---|
| 788 | * PBUF_POOL_SIZE > IP_REASS_MAX_PBUFS so that the stack is still able to receive
|
---|
| 789 | * packets even if the maximum amount of fragments is enqueued for reassembly!
|
---|
| 790 | * When IPv4 *and* IPv6 are enabled, this even changes to
|
---|
| 791 | * (PBUF_POOL_SIZE > 2 * IP_REASS_MAX_PBUFS)!
|
---|
| 792 | */
|
---|
| 793 | #if !defined IP_REASS_MAX_PBUFS || defined __DOXYGEN__
|
---|
| 794 | #define IP_REASS_MAX_PBUFS 10
|
---|
| 795 | #endif
|
---|
| 796 |
|
---|
| 797 | /**
|
---|
| 798 | * IP_DEFAULT_TTL: Default value for Time-To-Live used by transport layers.
|
---|
| 799 | */
|
---|
| 800 | #if !defined IP_DEFAULT_TTL || defined __DOXYGEN__
|
---|
| 801 | #define IP_DEFAULT_TTL 255
|
---|
| 802 | #endif
|
---|
| 803 |
|
---|
| 804 | /**
|
---|
| 805 | * IP_SOF_BROADCAST=1: Use the SOF_BROADCAST field to enable broadcast
|
---|
| 806 | * filter per pcb on udp and raw send operations. To enable broadcast filter
|
---|
| 807 | * on recv operations, you also have to set IP_SOF_BROADCAST_RECV=1.
|
---|
| 808 | */
|
---|
| 809 | #if !defined IP_SOF_BROADCAST || defined __DOXYGEN__
|
---|
| 810 | #define IP_SOF_BROADCAST 0
|
---|
| 811 | #endif
|
---|
| 812 |
|
---|
| 813 | /**
|
---|
| 814 | * IP_SOF_BROADCAST_RECV (requires IP_SOF_BROADCAST=1) enable the broadcast
|
---|
| 815 | * filter on recv operations.
|
---|
| 816 | */
|
---|
| 817 | #if !defined IP_SOF_BROADCAST_RECV || defined __DOXYGEN__
|
---|
| 818 | #define IP_SOF_BROADCAST_RECV 0
|
---|
| 819 | #endif
|
---|
| 820 |
|
---|
| 821 | /**
|
---|
| 822 | * IP_FORWARD_ALLOW_TX_ON_RX_NETIF==1: allow ip_forward() to send packets back
|
---|
| 823 | * out on the netif where it was received. This should only be used for
|
---|
| 824 | * wireless networks.
|
---|
| 825 | * ATTENTION: When this is 1, make sure your netif driver correctly marks incoming
|
---|
| 826 | * link-layer-broadcast/multicast packets as such using the corresponding pbuf flags!
|
---|
| 827 | */
|
---|
| 828 | #if !defined IP_FORWARD_ALLOW_TX_ON_RX_NETIF || defined __DOXYGEN__
|
---|
| 829 | #define IP_FORWARD_ALLOW_TX_ON_RX_NETIF 0
|
---|
| 830 | #endif
|
---|
| 831 | /**
|
---|
| 832 | * @}
|
---|
| 833 | */
|
---|
| 834 |
|
---|
| 835 | /*
|
---|
| 836 | ----------------------------------
|
---|
| 837 | ---------- ICMP options ----------
|
---|
| 838 | ----------------------------------
|
---|
| 839 | */
|
---|
| 840 | /**
|
---|
| 841 | * @defgroup lwip_opts_icmp ICMP
|
---|
| 842 | * @ingroup lwip_opts_ipv4
|
---|
| 843 | * @{
|
---|
| 844 | */
|
---|
| 845 | /**
|
---|
| 846 | * LWIP_ICMP==1: Enable ICMP module inside the IP stack.
|
---|
| 847 | * Be careful, disable that make your product non-compliant to RFC1122
|
---|
| 848 | */
|
---|
| 849 | #if !defined LWIP_ICMP || defined __DOXYGEN__
|
---|
| 850 | #define LWIP_ICMP 1
|
---|
| 851 | #endif
|
---|
| 852 |
|
---|
| 853 | /**
|
---|
| 854 | * ICMP_TTL: Default value for Time-To-Live used by ICMP packets.
|
---|
| 855 | */
|
---|
| 856 | #if !defined ICMP_TTL || defined __DOXYGEN__
|
---|
| 857 | #define ICMP_TTL IP_DEFAULT_TTL
|
---|
| 858 | #endif
|
---|
| 859 |
|
---|
| 860 | /**
|
---|
| 861 | * LWIP_BROADCAST_PING==1: respond to broadcast pings (default is unicast only)
|
---|
| 862 | */
|
---|
| 863 | #if !defined LWIP_BROADCAST_PING || defined __DOXYGEN__
|
---|
| 864 | #define LWIP_BROADCAST_PING 0
|
---|
| 865 | #endif
|
---|
| 866 |
|
---|
| 867 | /**
|
---|
| 868 | * LWIP_MULTICAST_PING==1: respond to multicast pings (default is unicast only)
|
---|
| 869 | */
|
---|
| 870 | #if !defined LWIP_MULTICAST_PING || defined __DOXYGEN__
|
---|
| 871 | #define LWIP_MULTICAST_PING 0
|
---|
| 872 | #endif
|
---|
| 873 | /**
|
---|
| 874 | * @}
|
---|
| 875 | */
|
---|
| 876 |
|
---|
| 877 | /*
|
---|
| 878 | ---------------------------------
|
---|
| 879 | ---------- RAW options ----------
|
---|
| 880 | ---------------------------------
|
---|
| 881 | */
|
---|
| 882 | /**
|
---|
| 883 | * @defgroup lwip_opts_raw RAW
|
---|
| 884 | * @ingroup lwip_opts_callback
|
---|
| 885 | * @{
|
---|
| 886 | */
|
---|
| 887 | /**
|
---|
| 888 | * LWIP_RAW==1: Enable application layer to hook into the IP layer itself.
|
---|
| 889 | */
|
---|
| 890 | #if !defined LWIP_RAW || defined __DOXYGEN__
|
---|
| 891 | #define LWIP_RAW 0
|
---|
| 892 | #endif
|
---|
| 893 |
|
---|
| 894 | /**
|
---|
| 895 | * LWIP_RAW==1: Enable application layer to hook into the IP layer itself.
|
---|
| 896 | */
|
---|
| 897 | #if !defined RAW_TTL || defined __DOXYGEN__
|
---|
| 898 | #define RAW_TTL IP_DEFAULT_TTL
|
---|
| 899 | #endif
|
---|
| 900 | /**
|
---|
| 901 | * @}
|
---|
| 902 | */
|
---|
| 903 |
|
---|
| 904 | /*
|
---|
| 905 | ----------------------------------
|
---|
| 906 | ---------- DHCP options ----------
|
---|
| 907 | ----------------------------------
|
---|
| 908 | */
|
---|
| 909 | /**
|
---|
| 910 | * @defgroup lwip_opts_dhcp DHCP
|
---|
| 911 | * @ingroup lwip_opts_ipv4
|
---|
| 912 | * @{
|
---|
| 913 | */
|
---|
| 914 | /**
|
---|
| 915 | * LWIP_DHCP==1: Enable DHCP module.
|
---|
| 916 | */
|
---|
| 917 | #if !defined LWIP_DHCP || defined __DOXYGEN__
|
---|
| 918 | #define LWIP_DHCP 0
|
---|
| 919 | #endif
|
---|
| 920 | #if !LWIP_IPV4
|
---|
| 921 | /* disable DHCP when IPv4 is disabled */
|
---|
| 922 | #undef LWIP_DHCP
|
---|
| 923 | #define LWIP_DHCP 0
|
---|
| 924 | #endif /* !LWIP_IPV4 */
|
---|
| 925 |
|
---|
| 926 | /**
|
---|
| 927 | * DHCP_DOES_ARP_CHECK==1: Do an ARP check on the offered address.
|
---|
| 928 | */
|
---|
| 929 | #if !defined DHCP_DOES_ARP_CHECK || defined __DOXYGEN__
|
---|
| 930 | #define DHCP_DOES_ARP_CHECK (LWIP_DHCP && LWIP_ARP)
|
---|
| 931 | #endif
|
---|
| 932 |
|
---|
| 933 | /**
|
---|
| 934 | * LWIP_DHCP_BOOTP_FILE==1: Store offered_si_addr and boot_file_name.
|
---|
| 935 | */
|
---|
| 936 | #if !defined LWIP_DHCP_BOOTP_FILE || defined __DOXYGEN__
|
---|
| 937 | #define LWIP_DHCP_BOOTP_FILE 0
|
---|
| 938 | #endif
|
---|
| 939 |
|
---|
| 940 | /**
|
---|
| 941 | * LWIP_DHCP_GETS_NTP==1: Request NTP servers with discover/select. For each
|
---|
| 942 | * response packet, an callback is called, which has to be provided by the port:
|
---|
| 943 | * void dhcp_set_ntp_servers(u8_t num_ntp_servers, ip_addr_t* ntp_server_addrs);
|
---|
| 944 | */
|
---|
| 945 | #if !defined LWIP_DHCP_GET_NTP_SRV || defined __DOXYGEN__
|
---|
| 946 | #define LWIP_DHCP_GET_NTP_SRV 0
|
---|
| 947 | #endif
|
---|
| 948 |
|
---|
| 949 | /**
|
---|
| 950 | * The maximum of NTP servers requested
|
---|
| 951 | */
|
---|
| 952 | #if !defined LWIP_DHCP_MAX_NTP_SERVERS || defined __DOXYGEN__
|
---|
| 953 | #define LWIP_DHCP_MAX_NTP_SERVERS 1
|
---|
| 954 | #endif
|
---|
| 955 |
|
---|
| 956 | /**
|
---|
| 957 | * LWIP_DHCP_MAX_DNS_SERVERS > 0: Request DNS servers with discover/select.
|
---|
| 958 | * DNS servers received in the response are passed to DNS via @ref dns_setserver()
|
---|
| 959 | * (up to the maximum limit defined here).
|
---|
| 960 | */
|
---|
| 961 | #if !defined LWIP_DHCP_MAX_DNS_SERVERS || defined __DOXYGEN__
|
---|
| 962 | #define LWIP_DHCP_MAX_DNS_SERVERS DNS_MAX_SERVERS
|
---|
| 963 | #endif
|
---|
| 964 | /**
|
---|
| 965 | * @}
|
---|
| 966 | */
|
---|
| 967 |
|
---|
| 968 | /*
|
---|
| 969 | ------------------------------------
|
---|
| 970 | ---------- AUTOIP options ----------
|
---|
| 971 | ------------------------------------
|
---|
| 972 | */
|
---|
| 973 | /**
|
---|
| 974 | * @defgroup lwip_opts_autoip AUTOIP
|
---|
| 975 | * @ingroup lwip_opts_ipv4
|
---|
| 976 | * @{
|
---|
| 977 | */
|
---|
| 978 | /**
|
---|
| 979 | * LWIP_AUTOIP==1: Enable AUTOIP module.
|
---|
| 980 | */
|
---|
| 981 | #if !defined LWIP_AUTOIP || defined __DOXYGEN__
|
---|
| 982 | #define LWIP_AUTOIP 0
|
---|
| 983 | #endif
|
---|
| 984 | #if !LWIP_IPV4
|
---|
| 985 | /* disable AUTOIP when IPv4 is disabled */
|
---|
| 986 | #undef LWIP_AUTOIP
|
---|
| 987 | #define LWIP_AUTOIP 0
|
---|
| 988 | #endif /* !LWIP_IPV4 */
|
---|
| 989 |
|
---|
| 990 | /**
|
---|
| 991 | * LWIP_DHCP_AUTOIP_COOP==1: Allow DHCP and AUTOIP to be both enabled on
|
---|
| 992 | * the same interface at the same time.
|
---|
| 993 | */
|
---|
| 994 | #if !defined LWIP_DHCP_AUTOIP_COOP || defined __DOXYGEN__
|
---|
| 995 | #define LWIP_DHCP_AUTOIP_COOP 0
|
---|
| 996 | #endif
|
---|
| 997 |
|
---|
| 998 | /**
|
---|
| 999 | * LWIP_DHCP_AUTOIP_COOP_TRIES: Set to the number of DHCP DISCOVER probes
|
---|
| 1000 | * that should be sent before falling back on AUTOIP (the DHCP client keeps
|
---|
| 1001 | * running in this case). This can be set as low as 1 to get an AutoIP address
|
---|
| 1002 | * very quickly, but you should be prepared to handle a changing IP address
|
---|
| 1003 | * when DHCP overrides AutoIP.
|
---|
| 1004 | */
|
---|
| 1005 | #if !defined LWIP_DHCP_AUTOIP_COOP_TRIES || defined __DOXYGEN__
|
---|
| 1006 | #define LWIP_DHCP_AUTOIP_COOP_TRIES 9
|
---|
| 1007 | #endif
|
---|
| 1008 | /**
|
---|
| 1009 | * @}
|
---|
| 1010 | */
|
---|
| 1011 |
|
---|
| 1012 | /*
|
---|
| 1013 | ----------------------------------
|
---|
| 1014 | ----- SNMP MIB2 support -----
|
---|
| 1015 | ----------------------------------
|
---|
| 1016 | */
|
---|
| 1017 | /**
|
---|
| 1018 | * @defgroup lwip_opts_mib2 SNMP MIB2 callbacks
|
---|
| 1019 | * @ingroup lwip_opts_infrastructure
|
---|
| 1020 | * @{
|
---|
| 1021 | */
|
---|
| 1022 | /**
|
---|
| 1023 | * LWIP_MIB2_CALLBACKS==1: Turn on SNMP MIB2 callbacks.
|
---|
| 1024 | * Turn this on to get callbacks needed to implement MIB2.
|
---|
| 1025 | * Usually MIB2_STATS should be enabled, too.
|
---|
| 1026 | */
|
---|
| 1027 | #if !defined LWIP_MIB2_CALLBACKS || defined __DOXYGEN__
|
---|
| 1028 | #define LWIP_MIB2_CALLBACKS 0
|
---|
| 1029 | #endif
|
---|
| 1030 | /**
|
---|
| 1031 | * @}
|
---|
| 1032 | */
|
---|
| 1033 |
|
---|
| 1034 | /*
|
---|
| 1035 | ----------------------------------
|
---|
| 1036 | -------- Multicast options -------
|
---|
| 1037 | ----------------------------------
|
---|
| 1038 | */
|
---|
| 1039 | /**
|
---|
| 1040 | * @defgroup lwip_opts_multicast Multicast
|
---|
| 1041 | * @ingroup lwip_opts_infrastructure
|
---|
| 1042 | * @{
|
---|
| 1043 | */
|
---|
| 1044 | /**
|
---|
| 1045 | * LWIP_MULTICAST_TX_OPTIONS==1: Enable multicast TX support like the socket options
|
---|
| 1046 | * IP_MULTICAST_TTL/IP_MULTICAST_IF/IP_MULTICAST_LOOP, as well as (currently only)
|
---|
| 1047 | * core support for the corresponding IPv6 options.
|
---|
| 1048 | */
|
---|
| 1049 | #if !defined LWIP_MULTICAST_TX_OPTIONS || defined __DOXYGEN__
|
---|
| 1050 | #define LWIP_MULTICAST_TX_OPTIONS ((LWIP_IGMP || LWIP_IPV6_MLD) && (LWIP_UDP || LWIP_RAW))
|
---|
| 1051 | #endif
|
---|
| 1052 | /**
|
---|
| 1053 | * @}
|
---|
| 1054 | */
|
---|
| 1055 |
|
---|
| 1056 | /*
|
---|
| 1057 | ----------------------------------
|
---|
| 1058 | ---------- IGMP options ----------
|
---|
| 1059 | ----------------------------------
|
---|
| 1060 | */
|
---|
| 1061 | /**
|
---|
| 1062 | * @defgroup lwip_opts_igmp IGMP
|
---|
| 1063 | * @ingroup lwip_opts_ipv4
|
---|
| 1064 | * @{
|
---|
| 1065 | */
|
---|
| 1066 | /**
|
---|
| 1067 | * LWIP_IGMP==1: Turn on IGMP module.
|
---|
| 1068 | */
|
---|
| 1069 | #if !defined LWIP_IGMP || defined __DOXYGEN__
|
---|
| 1070 | #define LWIP_IGMP 0
|
---|
| 1071 | #endif
|
---|
| 1072 | #if !LWIP_IPV4
|
---|
| 1073 | #undef LWIP_IGMP
|
---|
| 1074 | #define LWIP_IGMP 0
|
---|
| 1075 | #endif
|
---|
| 1076 | /**
|
---|
| 1077 | * @}
|
---|
| 1078 | */
|
---|
| 1079 |
|
---|
| 1080 | /*
|
---|
| 1081 | ----------------------------------
|
---|
| 1082 | ---------- DNS options -----------
|
---|
| 1083 | ----------------------------------
|
---|
| 1084 | */
|
---|
| 1085 | /**
|
---|
| 1086 | * @defgroup lwip_opts_dns DNS
|
---|
| 1087 | * @ingroup lwip_opts_callback
|
---|
| 1088 | * @{
|
---|
| 1089 | */
|
---|
| 1090 | /**
|
---|
| 1091 | * LWIP_DNS==1: Turn on DNS module. UDP must be available for DNS
|
---|
| 1092 | * transport.
|
---|
| 1093 | */
|
---|
| 1094 | #if !defined LWIP_DNS || defined __DOXYGEN__
|
---|
| 1095 | #define LWIP_DNS 0
|
---|
| 1096 | #endif
|
---|
| 1097 |
|
---|
| 1098 | /** DNS maximum number of entries to maintain locally. */
|
---|
| 1099 | #if !defined DNS_TABLE_SIZE || defined __DOXYGEN__
|
---|
| 1100 | #define DNS_TABLE_SIZE 4
|
---|
| 1101 | #endif
|
---|
| 1102 |
|
---|
| 1103 | /** DNS maximum host name length supported in the name table. */
|
---|
| 1104 | #if !defined DNS_MAX_NAME_LENGTH || defined __DOXYGEN__
|
---|
| 1105 | #define DNS_MAX_NAME_LENGTH 256
|
---|
| 1106 | #endif
|
---|
| 1107 |
|
---|
| 1108 | /** The maximum of DNS servers
|
---|
| 1109 | * The first server can be initialized automatically by defining
|
---|
| 1110 | * DNS_SERVER_ADDRESS(ipaddr), where 'ipaddr' is an 'ip_addr_t*'
|
---|
| 1111 | */
|
---|
| 1112 | #if !defined DNS_MAX_SERVERS || defined __DOXYGEN__
|
---|
| 1113 | #define DNS_MAX_SERVERS 2
|
---|
| 1114 | #endif
|
---|
| 1115 |
|
---|
| 1116 | /** DNS maximum number of retries when asking for a name, before "timeout". */
|
---|
| 1117 | #if !defined DNS_MAX_RETRIES || defined __DOXYGEN__
|
---|
| 1118 | #define DNS_MAX_RETRIES 4
|
---|
| 1119 | #endif
|
---|
| 1120 |
|
---|
| 1121 | /** DNS do a name checking between the query and the response. */
|
---|
| 1122 | #if !defined DNS_DOES_NAME_CHECK || defined __DOXYGEN__
|
---|
| 1123 | #define DNS_DOES_NAME_CHECK 1
|
---|
| 1124 | #endif
|
---|
| 1125 |
|
---|
| 1126 | /** LWIP_DNS_SECURE: controls the security level of the DNS implementation
|
---|
| 1127 | * Use all DNS security features by default.
|
---|
| 1128 | * This is overridable but should only be needed by very small targets
|
---|
| 1129 | * or when using against non standard DNS servers. */
|
---|
| 1130 | #if !defined LWIP_DNS_SECURE || defined __DOXYGEN__
|
---|
| 1131 | #define LWIP_DNS_SECURE (LWIP_DNS_SECURE_RAND_XID | LWIP_DNS_SECURE_NO_MULTIPLE_OUTSTANDING | LWIP_DNS_SECURE_RAND_SRC_PORT)
|
---|
| 1132 | #endif
|
---|
| 1133 |
|
---|
| 1134 | /* A list of DNS security features follows */
|
---|
| 1135 | #define LWIP_DNS_SECURE_RAND_XID 1
|
---|
| 1136 | #define LWIP_DNS_SECURE_NO_MULTIPLE_OUTSTANDING 2
|
---|
| 1137 | #define LWIP_DNS_SECURE_RAND_SRC_PORT 4
|
---|
| 1138 |
|
---|
| 1139 | /** DNS_LOCAL_HOSTLIST: Implements a local host-to-address list. If enabled, you have to define an initializer:
|
---|
| 1140 | * \#define DNS_LOCAL_HOSTLIST_INIT {DNS_LOCAL_HOSTLIST_ELEM("host_ip4", IPADDR4_INIT_BYTES(1,2,3,4)), \
|
---|
| 1141 | * DNS_LOCAL_HOSTLIST_ELEM("host_ip6", IPADDR6_INIT_HOST(123, 234, 345, 456)}
|
---|
| 1142 | *
|
---|
| 1143 | * Instead, you can also use an external function:
|
---|
| 1144 | * \#define DNS_LOOKUP_LOCAL_EXTERN(x) extern err_t my_lookup_function(const char *name, ip_addr_t *addr, u8_t dns_addrtype)
|
---|
| 1145 | * that looks up the IP address and returns ERR_OK if found (LWIP_DNS_ADDRTYPE_xxx is passed in dns_addrtype).
|
---|
| 1146 | */
|
---|
| 1147 | #if !defined DNS_LOCAL_HOSTLIST || defined __DOXYGEN__
|
---|
| 1148 | #define DNS_LOCAL_HOSTLIST 0
|
---|
| 1149 | #endif /* DNS_LOCAL_HOSTLIST */
|
---|
| 1150 |
|
---|
| 1151 | /** If this is turned on, the local host-list can be dynamically changed
|
---|
| 1152 | * at runtime. */
|
---|
| 1153 | #if !defined DNS_LOCAL_HOSTLIST_IS_DYNAMIC || defined __DOXYGEN__
|
---|
| 1154 | #define DNS_LOCAL_HOSTLIST_IS_DYNAMIC 0
|
---|
| 1155 | #endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */
|
---|
| 1156 |
|
---|
| 1157 | /** Set this to 1 to enable querying ".local" names via mDNS
|
---|
| 1158 | * using a One-Shot Multicast DNS Query */
|
---|
| 1159 | #if !defined LWIP_DNS_SUPPORT_MDNS_QUERIES || defined __DOXYGEN__
|
---|
| 1160 | #define LWIP_DNS_SUPPORT_MDNS_QUERIES 0
|
---|
| 1161 | #endif
|
---|
| 1162 | /**
|
---|
| 1163 | * @}
|
---|
| 1164 | */
|
---|
| 1165 |
|
---|
| 1166 | /*
|
---|
| 1167 | ---------------------------------
|
---|
| 1168 | ---------- UDP options ----------
|
---|
| 1169 | ---------------------------------
|
---|
| 1170 | */
|
---|
| 1171 | /**
|
---|
| 1172 | * @defgroup lwip_opts_udp UDP
|
---|
| 1173 | * @ingroup lwip_opts_callback
|
---|
| 1174 | * @{
|
---|
| 1175 | */
|
---|
| 1176 | /**
|
---|
| 1177 | * LWIP_UDP==1: Turn on UDP.
|
---|
| 1178 | */
|
---|
| 1179 | #if !defined LWIP_UDP || defined __DOXYGEN__
|
---|
| 1180 | #define LWIP_UDP 1
|
---|
| 1181 | #endif
|
---|
| 1182 |
|
---|
| 1183 | /**
|
---|
| 1184 | * LWIP_UDPLITE==1: Turn on UDP-Lite. (Requires LWIP_UDP)
|
---|
| 1185 | */
|
---|
| 1186 | #if !defined LWIP_UDPLITE || defined __DOXYGEN__
|
---|
| 1187 | #define LWIP_UDPLITE 0
|
---|
| 1188 | #endif
|
---|
| 1189 |
|
---|
| 1190 | /**
|
---|
| 1191 | * UDP_TTL: Default Time-To-Live value.
|
---|
| 1192 | */
|
---|
| 1193 | #if !defined UDP_TTL || defined __DOXYGEN__
|
---|
| 1194 | #define UDP_TTL IP_DEFAULT_TTL
|
---|
| 1195 | #endif
|
---|
| 1196 |
|
---|
| 1197 | /**
|
---|
| 1198 | * LWIP_NETBUF_RECVINFO==1: append destination addr and port to every netbuf.
|
---|
| 1199 | */
|
---|
| 1200 | #if !defined LWIP_NETBUF_RECVINFO || defined __DOXYGEN__
|
---|
| 1201 | #define LWIP_NETBUF_RECVINFO 0
|
---|
| 1202 | #endif
|
---|
| 1203 | /**
|
---|
| 1204 | * @}
|
---|
| 1205 | */
|
---|
| 1206 |
|
---|
| 1207 | /*
|
---|
| 1208 | ---------------------------------
|
---|
| 1209 | ---------- TCP options ----------
|
---|
| 1210 | ---------------------------------
|
---|
| 1211 | */
|
---|
| 1212 | /**
|
---|
| 1213 | * @defgroup lwip_opts_tcp TCP
|
---|
| 1214 | * @ingroup lwip_opts_callback
|
---|
| 1215 | * @{
|
---|
| 1216 | */
|
---|
| 1217 | /**
|
---|
| 1218 | * LWIP_TCP==1: Turn on TCP.
|
---|
| 1219 | */
|
---|
| 1220 | #if !defined LWIP_TCP || defined __DOXYGEN__
|
---|
| 1221 | #define LWIP_TCP 1
|
---|
| 1222 | #endif
|
---|
| 1223 |
|
---|
| 1224 | /**
|
---|
| 1225 | * TCP_TTL: Default Time-To-Live value.
|
---|
| 1226 | */
|
---|
| 1227 | #if !defined TCP_TTL || defined __DOXYGEN__
|
---|
| 1228 | #define TCP_TTL IP_DEFAULT_TTL
|
---|
| 1229 | #endif
|
---|
| 1230 |
|
---|
| 1231 | /**
|
---|
| 1232 | * TCP_WND: The size of a TCP window. This must be at least
|
---|
| 1233 | * (2 * TCP_MSS) for things to work well.
|
---|
| 1234 | * ATTENTION: when using TCP_RCV_SCALE, TCP_WND is the total size
|
---|
| 1235 | * with scaling applied. Maximum window value in the TCP header
|
---|
| 1236 | * will be TCP_WND >> TCP_RCV_SCALE
|
---|
| 1237 | */
|
---|
| 1238 | #if !defined TCP_WND || defined __DOXYGEN__
|
---|
| 1239 | #define TCP_WND (4 * TCP_MSS)
|
---|
| 1240 | #endif
|
---|
| 1241 |
|
---|
| 1242 | /**
|
---|
| 1243 | * TCP_MAXRTX: Maximum number of retransmissions of data segments.
|
---|
| 1244 | */
|
---|
| 1245 | #if !defined TCP_MAXRTX || defined __DOXYGEN__
|
---|
| 1246 | #define TCP_MAXRTX 12
|
---|
| 1247 | #endif
|
---|
| 1248 |
|
---|
| 1249 | /**
|
---|
| 1250 | * TCP_SYNMAXRTX: Maximum number of retransmissions of SYN segments.
|
---|
| 1251 | */
|
---|
| 1252 | #if !defined TCP_SYNMAXRTX || defined __DOXYGEN__
|
---|
| 1253 | #define TCP_SYNMAXRTX 6
|
---|
| 1254 | #endif
|
---|
| 1255 |
|
---|
| 1256 | /**
|
---|
| 1257 | * TCP_QUEUE_OOSEQ==1: TCP will queue segments that arrive out of order.
|
---|
| 1258 | * Define to 0 if your device is low on memory.
|
---|
| 1259 | */
|
---|
| 1260 | #if !defined TCP_QUEUE_OOSEQ || defined __DOXYGEN__
|
---|
| 1261 | #define TCP_QUEUE_OOSEQ LWIP_TCP
|
---|
| 1262 | #endif
|
---|
| 1263 |
|
---|
| 1264 | /**
|
---|
| 1265 | * LWIP_TCP_SACK_OUT==1: TCP will support sending selective acknowledgements (SACKs).
|
---|
| 1266 | */
|
---|
| 1267 | #if !defined LWIP_TCP_SACK_OUT || defined __DOXYGEN__
|
---|
| 1268 | #define LWIP_TCP_SACK_OUT 0
|
---|
| 1269 | #endif
|
---|
| 1270 |
|
---|
| 1271 | /**
|
---|
| 1272 | * LWIP_TCP_MAX_SACK_NUM: The maximum number of SACK values to include in TCP segments.
|
---|
| 1273 | * Must be at least 1, but is only used if LWIP_TCP_SACK_OUT is enabled.
|
---|
| 1274 | * NOTE: Even though we never send more than 3 or 4 SACK ranges in a single segment
|
---|
| 1275 | * (depending on other options), setting this option to values greater than 4 is not pointless.
|
---|
| 1276 | * This is basically the max number of SACK ranges we want to keep track of.
|
---|
| 1277 | * As new data is delivered, some of the SACK ranges may be removed or merged.
|
---|
| 1278 | * In that case some of those older SACK ranges may be used again.
|
---|
| 1279 | * The amount of memory used to store SACK ranges is LWIP_TCP_MAX_SACK_NUM * 8 bytes for each TCP PCB.
|
---|
| 1280 | */
|
---|
| 1281 | #if !defined LWIP_TCP_MAX_SACK_NUM || defined __DOXYGEN__
|
---|
| 1282 | #define LWIP_TCP_MAX_SACK_NUM 4
|
---|
| 1283 | #endif
|
---|
| 1284 |
|
---|
| 1285 | /**
|
---|
| 1286 | * TCP_MSS: TCP Maximum segment size. (default is 536, a conservative default,
|
---|
| 1287 | * you might want to increase this.)
|
---|
| 1288 | * For the receive side, this MSS is advertised to the remote side
|
---|
| 1289 | * when opening a connection. For the transmit size, this MSS sets
|
---|
| 1290 | * an upper limit on the MSS advertised by the remote host.
|
---|
| 1291 | */
|
---|
| 1292 | #if !defined TCP_MSS || defined __DOXYGEN__
|
---|
| 1293 | #define TCP_MSS 536
|
---|
| 1294 | #endif
|
---|
| 1295 |
|
---|
| 1296 | /**
|
---|
| 1297 | * TCP_CALCULATE_EFF_SEND_MSS: "The maximum size of a segment that TCP really
|
---|
| 1298 | * sends, the 'effective send MSS,' MUST be the smaller of the send MSS (which
|
---|
| 1299 | * reflects the available reassembly buffer size at the remote host) and the
|
---|
| 1300 | * largest size permitted by the IP layer" (RFC 1122)
|
---|
| 1301 | * Setting this to 1 enables code that checks TCP_MSS against the MTU of the
|
---|
| 1302 | * netif used for a connection and limits the MSS if it would be too big otherwise.
|
---|
| 1303 | */
|
---|
| 1304 | #if !defined TCP_CALCULATE_EFF_SEND_MSS || defined __DOXYGEN__
|
---|
| 1305 | #define TCP_CALCULATE_EFF_SEND_MSS 1
|
---|
| 1306 | #endif
|
---|
| 1307 |
|
---|
| 1308 |
|
---|
| 1309 | /**
|
---|
| 1310 | * TCP_SND_BUF: TCP sender buffer space (bytes).
|
---|
| 1311 | * To achieve good performance, this should be at least 2 * TCP_MSS.
|
---|
| 1312 | */
|
---|
| 1313 | #if !defined TCP_SND_BUF || defined __DOXYGEN__
|
---|
| 1314 | #define TCP_SND_BUF (2 * TCP_MSS)
|
---|
| 1315 | #endif
|
---|
| 1316 |
|
---|
| 1317 | /**
|
---|
| 1318 | * TCP_SND_QUEUELEN: TCP sender buffer space (pbufs). This must be at least
|
---|
| 1319 | * as much as (2 * TCP_SND_BUF/TCP_MSS) for things to work.
|
---|
| 1320 | */
|
---|
| 1321 | #if !defined TCP_SND_QUEUELEN || defined __DOXYGEN__
|
---|
| 1322 | #define TCP_SND_QUEUELEN ((4 * (TCP_SND_BUF) + (TCP_MSS - 1))/(TCP_MSS))
|
---|
| 1323 | #endif
|
---|
| 1324 |
|
---|
| 1325 | /**
|
---|
| 1326 | * TCP_SNDLOWAT: TCP writable space (bytes). This must be less than
|
---|
| 1327 | * TCP_SND_BUF. It is the amount of space which must be available in the
|
---|
| 1328 | * TCP snd_buf for select to return writable (combined with TCP_SNDQUEUELOWAT).
|
---|
| 1329 | */
|
---|
| 1330 | #if !defined TCP_SNDLOWAT || defined __DOXYGEN__
|
---|
| 1331 | #define TCP_SNDLOWAT LWIP_MIN(LWIP_MAX(((TCP_SND_BUF)/2), (2 * TCP_MSS) + 1), (TCP_SND_BUF) - 1)
|
---|
| 1332 | #endif
|
---|
| 1333 |
|
---|
| 1334 | /**
|
---|
| 1335 | * TCP_SNDQUEUELOWAT: TCP writable bufs (pbuf count). This must be less
|
---|
| 1336 | * than TCP_SND_QUEUELEN. If the number of pbufs queued on a pcb drops below
|
---|
| 1337 | * this number, select returns writable (combined with TCP_SNDLOWAT).
|
---|
| 1338 | */
|
---|
| 1339 | #if !defined TCP_SNDQUEUELOWAT || defined __DOXYGEN__
|
---|
| 1340 | #define TCP_SNDQUEUELOWAT LWIP_MAX(((TCP_SND_QUEUELEN)/2), 5)
|
---|
| 1341 | #endif
|
---|
| 1342 |
|
---|
| 1343 | /**
|
---|
| 1344 | * TCP_OOSEQ_MAX_BYTES: The default maximum number of bytes queued on ooseq per
|
---|
| 1345 | * pcb if TCP_OOSEQ_BYTES_LIMIT is not defined. Default is 0 (no limit).
|
---|
| 1346 | * Only valid for TCP_QUEUE_OOSEQ==1.
|
---|
| 1347 | */
|
---|
| 1348 | #if !defined TCP_OOSEQ_MAX_BYTES || defined __DOXYGEN__
|
---|
| 1349 | #define TCP_OOSEQ_MAX_BYTES 0
|
---|
| 1350 | #endif
|
---|
| 1351 |
|
---|
| 1352 | /**
|
---|
| 1353 | * TCP_OOSEQ_BYTES_LIMIT(pcb): Return the maximum number of bytes to be queued
|
---|
| 1354 | * on ooseq per pcb, given the pcb. Only valid for TCP_QUEUE_OOSEQ==1 &&
|
---|
| 1355 | * TCP_OOSEQ_MAX_BYTES==1.
|
---|
| 1356 | * Use this to override TCP_OOSEQ_MAX_BYTES to a dynamic value per pcb.
|
---|
| 1357 | */
|
---|
| 1358 | #if !defined TCP_OOSEQ_BYTES_LIMIT
|
---|
| 1359 | #if TCP_OOSEQ_MAX_BYTES
|
---|
| 1360 | #define TCP_OOSEQ_BYTES_LIMIT(pcb) TCP_OOSEQ_MAX_BYTES
|
---|
| 1361 | #elif defined __DOXYGEN__
|
---|
| 1362 | #define TCP_OOSEQ_BYTES_LIMIT(pcb)
|
---|
| 1363 | #endif
|
---|
| 1364 | #endif
|
---|
| 1365 |
|
---|
| 1366 | /**
|
---|
| 1367 | * TCP_OOSEQ_MAX_PBUFS: The default maximum number of pbufs queued on ooseq per
|
---|
| 1368 | * pcb if TCP_OOSEQ_BYTES_LIMIT is not defined. Default is 0 (no limit).
|
---|
| 1369 | * Only valid for TCP_QUEUE_OOSEQ==1.
|
---|
| 1370 | */
|
---|
| 1371 | #if !defined TCP_OOSEQ_MAX_PBUFS || defined __DOXYGEN__
|
---|
| 1372 | #define TCP_OOSEQ_MAX_PBUFS 0
|
---|
| 1373 | #endif
|
---|
| 1374 |
|
---|
| 1375 | /**
|
---|
| 1376 | * TCP_OOSEQ_PBUFS_LIMIT(pcb): Return the maximum number of pbufs to be queued
|
---|
| 1377 | * on ooseq per pcb, given the pcb. Only valid for TCP_QUEUE_OOSEQ==1 &&
|
---|
| 1378 | * TCP_OOSEQ_MAX_PBUFS==1.
|
---|
| 1379 | * Use this to override TCP_OOSEQ_MAX_PBUFS to a dynamic value per pcb.
|
---|
| 1380 | */
|
---|
| 1381 | #if !defined TCP_OOSEQ_PBUFS_LIMIT
|
---|
| 1382 | #if TCP_OOSEQ_MAX_PBUFS
|
---|
| 1383 | #define TCP_OOSEQ_PBUFS_LIMIT(pcb) TCP_OOSEQ_MAX_PBUFS
|
---|
| 1384 | #elif defined __DOXYGEN__
|
---|
| 1385 | #define TCP_OOSEQ_PBUFS_LIMIT(pcb)
|
---|
| 1386 | #endif
|
---|
| 1387 | #endif
|
---|
| 1388 |
|
---|
| 1389 | /**
|
---|
| 1390 | * TCP_LISTEN_BACKLOG: Enable the backlog option for tcp listen pcb.
|
---|
| 1391 | */
|
---|
| 1392 | #if !defined TCP_LISTEN_BACKLOG || defined __DOXYGEN__
|
---|
| 1393 | #define TCP_LISTEN_BACKLOG 0
|
---|
| 1394 | #endif
|
---|
| 1395 |
|
---|
| 1396 | /**
|
---|
| 1397 | * The maximum allowed backlog for TCP listen netconns.
|
---|
| 1398 | * This backlog is used unless another is explicitly specified.
|
---|
| 1399 | * 0xff is the maximum (u8_t).
|
---|
| 1400 | */
|
---|
| 1401 | #if !defined TCP_DEFAULT_LISTEN_BACKLOG || defined __DOXYGEN__
|
---|
| 1402 | #define TCP_DEFAULT_LISTEN_BACKLOG 0xff
|
---|
| 1403 | #endif
|
---|
| 1404 |
|
---|
| 1405 | /**
|
---|
| 1406 | * TCP_OVERSIZE: The maximum number of bytes that tcp_write may
|
---|
| 1407 | * allocate ahead of time in an attempt to create shorter pbuf chains
|
---|
| 1408 | * for transmission. The meaningful range is 0 to TCP_MSS. Some
|
---|
| 1409 | * suggested values are:
|
---|
| 1410 | *
|
---|
| 1411 | * 0: Disable oversized allocation. Each tcp_write() allocates a new
|
---|
| 1412 | pbuf (old behaviour).
|
---|
| 1413 | * 1: Allocate size-aligned pbufs with minimal excess. Use this if your
|
---|
| 1414 | * scatter-gather DMA requires aligned fragments.
|
---|
| 1415 | * 128: Limit the pbuf/memory overhead to 20%.
|
---|
| 1416 | * TCP_MSS: Try to create unfragmented TCP packets.
|
---|
| 1417 | * TCP_MSS/4: Try to create 4 fragments or less per TCP packet.
|
---|
| 1418 | */
|
---|
| 1419 | #if !defined TCP_OVERSIZE || defined __DOXYGEN__
|
---|
| 1420 | #define TCP_OVERSIZE TCP_MSS
|
---|
| 1421 | #endif
|
---|
| 1422 |
|
---|
| 1423 | /**
|
---|
| 1424 | * LWIP_TCP_TIMESTAMPS==1: support the TCP timestamp option.
|
---|
| 1425 | * The timestamp option is currently only used to help remote hosts, it is not
|
---|
| 1426 | * really used locally. Therefore, it is only enabled when a TS option is
|
---|
| 1427 | * received in the initial SYN packet from a remote host.
|
---|
| 1428 | */
|
---|
| 1429 | #if !defined LWIP_TCP_TIMESTAMPS || defined __DOXYGEN__
|
---|
| 1430 | #define LWIP_TCP_TIMESTAMPS 0
|
---|
| 1431 | #endif
|
---|
| 1432 |
|
---|
| 1433 | /**
|
---|
| 1434 | * TCP_WND_UPDATE_THRESHOLD: difference in window to trigger an
|
---|
| 1435 | * explicit window update
|
---|
| 1436 | */
|
---|
| 1437 | #if !defined TCP_WND_UPDATE_THRESHOLD || defined __DOXYGEN__
|
---|
| 1438 | #define TCP_WND_UPDATE_THRESHOLD LWIP_MIN((TCP_WND / 4), (TCP_MSS * 4))
|
---|
| 1439 | #endif
|
---|
| 1440 |
|
---|
| 1441 | /**
|
---|
| 1442 | * LWIP_EVENT_API and LWIP_CALLBACK_API: Only one of these should be set to 1.
|
---|
| 1443 | * LWIP_EVENT_API==1: The user defines lwip_tcp_event() to receive all
|
---|
| 1444 | * events (accept, sent, etc) that happen in the system.
|
---|
| 1445 | * LWIP_CALLBACK_API==1: The PCB callback function is called directly
|
---|
| 1446 | * for the event. This is the default.
|
---|
| 1447 | */
|
---|
| 1448 | #if !defined(LWIP_EVENT_API) && !defined(LWIP_CALLBACK_API) || defined __DOXYGEN__
|
---|
| 1449 | #define LWIP_EVENT_API 0
|
---|
| 1450 | #define LWIP_CALLBACK_API 1
|
---|
| 1451 | #else
|
---|
| 1452 | #ifndef LWIP_EVENT_API
|
---|
| 1453 | #define LWIP_EVENT_API 0
|
---|
| 1454 | #endif
|
---|
| 1455 | #ifndef LWIP_CALLBACK_API
|
---|
| 1456 | #define LWIP_CALLBACK_API 0
|
---|
| 1457 | #endif
|
---|
| 1458 | #endif
|
---|
| 1459 |
|
---|
| 1460 | /**
|
---|
| 1461 | * LWIP_WND_SCALE and TCP_RCV_SCALE:
|
---|
| 1462 | * Set LWIP_WND_SCALE to 1 to enable window scaling.
|
---|
| 1463 | * Set TCP_RCV_SCALE to the desired scaling factor (shift count in the
|
---|
| 1464 | * range of [0..14]).
|
---|
| 1465 | * When LWIP_WND_SCALE is enabled but TCP_RCV_SCALE is 0, we can use a large
|
---|
| 1466 | * send window while having a small receive window only.
|
---|
| 1467 | */
|
---|
| 1468 | #if !defined LWIP_WND_SCALE || defined __DOXYGEN__
|
---|
| 1469 | #define LWIP_WND_SCALE 0
|
---|
| 1470 | #define TCP_RCV_SCALE 0
|
---|
| 1471 | #endif
|
---|
| 1472 |
|
---|
| 1473 | /**
|
---|
| 1474 | * LWIP_TCP_PCB_NUM_EXT_ARGS:
|
---|
| 1475 | * When this is > 0, every tcp pcb (including listen pcb) includes a number of
|
---|
| 1476 | * additional argument entries in an array (see tcp_ext_arg_alloc_id)
|
---|
| 1477 | */
|
---|
| 1478 | #if !defined LWIP_TCP_PCB_NUM_EXT_ARGS || defined __DOXYGEN__
|
---|
| 1479 | #define LWIP_TCP_PCB_NUM_EXT_ARGS 0
|
---|
| 1480 | #endif
|
---|
| 1481 |
|
---|
| 1482 | /** LWIP_ALTCP==1: enable the altcp API.
|
---|
| 1483 | * altcp is an abstraction layer that prevents applications linking against the
|
---|
| 1484 | * tcp.h functions but provides the same functionality. It is used to e.g. add
|
---|
| 1485 | * SSL/TLS or proxy-connect support to an application written for the tcp callback
|
---|
| 1486 | * API without that application knowing the protocol details.
|
---|
| 1487 | *
|
---|
| 1488 | * With LWIP_ALTCP==0, applications written against the altcp API can still be
|
---|
| 1489 | * compiled but are directly linked against the tcp.h callback API and then
|
---|
| 1490 | * cannot use layered protocols.
|
---|
| 1491 | *
|
---|
| 1492 | * See @ref altcp_api
|
---|
| 1493 | */
|
---|
| 1494 | #if !defined LWIP_ALTCP || defined __DOXYGEN__
|
---|
| 1495 | #define LWIP_ALTCP 0
|
---|
| 1496 | #endif
|
---|
| 1497 |
|
---|
| 1498 | /** LWIP_ALTCP_TLS==1: enable TLS support for altcp API.
|
---|
| 1499 | * This needs a port of the functions in altcp_tls.h to a TLS library.
|
---|
| 1500 | * A port to ARM mbedtls is provided with lwIP, see apps/altcp_tls/ directory
|
---|
| 1501 | * and LWIP_ALTCP_TLS_MBEDTLS option.
|
---|
| 1502 | */
|
---|
| 1503 | #if !defined LWIP_ALTCP_TLS || defined __DOXYGEN__
|
---|
| 1504 | #define LWIP_ALTCP_TLS 0
|
---|
| 1505 | #endif
|
---|
| 1506 |
|
---|
| 1507 | /**
|
---|
| 1508 | * @}
|
---|
| 1509 | */
|
---|
| 1510 |
|
---|
| 1511 | /*
|
---|
| 1512 | ----------------------------------
|
---|
| 1513 | ---------- Pbuf options ----------
|
---|
| 1514 | ----------------------------------
|
---|
| 1515 | */
|
---|
| 1516 | /**
|
---|
| 1517 | * @defgroup lwip_opts_pbuf PBUF
|
---|
| 1518 | * @ingroup lwip_opts
|
---|
| 1519 | * @{
|
---|
| 1520 | */
|
---|
| 1521 | /**
|
---|
| 1522 | * PBUF_LINK_HLEN: the number of bytes that should be allocated for a
|
---|
| 1523 | * link level header. The default is 14, the standard value for
|
---|
| 1524 | * Ethernet.
|
---|
| 1525 | */
|
---|
| 1526 | #if !defined PBUF_LINK_HLEN || defined __DOXYGEN__
|
---|
| 1527 | #if defined LWIP_HOOK_VLAN_SET && !defined __DOXYGEN__
|
---|
| 1528 | #define PBUF_LINK_HLEN (18 + ETH_PAD_SIZE)
|
---|
| 1529 | #else /* LWIP_HOOK_VLAN_SET */
|
---|
| 1530 | #define PBUF_LINK_HLEN (14 + ETH_PAD_SIZE)
|
---|
| 1531 | #endif /* LWIP_HOOK_VLAN_SET */
|
---|
| 1532 | #endif
|
---|
| 1533 |
|
---|
| 1534 | /**
|
---|
| 1535 | * PBUF_LINK_ENCAPSULATION_HLEN: the number of bytes that should be allocated
|
---|
| 1536 | * for an additional encapsulation header before ethernet headers (e.g. 802.11)
|
---|
| 1537 | */
|
---|
| 1538 | #if !defined PBUF_LINK_ENCAPSULATION_HLEN || defined __DOXYGEN__
|
---|
| 1539 | #define PBUF_LINK_ENCAPSULATION_HLEN 0
|
---|
| 1540 | #endif
|
---|
| 1541 |
|
---|
| 1542 | /**
|
---|
| 1543 | * PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. The default is
|
---|
| 1544 | * designed to accommodate single full size TCP frame in one pbuf, including
|
---|
| 1545 | * TCP_MSS, IP header, and link header.
|
---|
| 1546 | */
|
---|
| 1547 | #if !defined PBUF_POOL_BUFSIZE || defined __DOXYGEN__
|
---|
| 1548 | #define PBUF_POOL_BUFSIZE LWIP_MEM_ALIGN_SIZE(TCP_MSS+40+PBUF_LINK_ENCAPSULATION_HLEN+PBUF_LINK_HLEN)
|
---|
| 1549 | #endif
|
---|
| 1550 |
|
---|
| 1551 | /**
|
---|
| 1552 | * LWIP_PBUF_REF_T: Refcount type in pbuf.
|
---|
| 1553 | * Default width of u8_t can be increased if 255 refs are not enough for you.
|
---|
| 1554 | */
|
---|
| 1555 | #if !defined LWIP_PBUF_REF_T || defined __DOXYGEN__
|
---|
| 1556 | #define LWIP_PBUF_REF_T u8_t
|
---|
| 1557 | #endif
|
---|
| 1558 | /**
|
---|
| 1559 | * @}
|
---|
| 1560 | */
|
---|
| 1561 |
|
---|
| 1562 | /*
|
---|
| 1563 | ------------------------------------------------
|
---|
| 1564 | ---------- Network Interfaces options ----------
|
---|
| 1565 | ------------------------------------------------
|
---|
| 1566 | */
|
---|
| 1567 | /**
|
---|
| 1568 | * @defgroup lwip_opts_netif NETIF
|
---|
| 1569 | * @ingroup lwip_opts
|
---|
| 1570 | * @{
|
---|
| 1571 | */
|
---|
| 1572 | /**
|
---|
| 1573 | * LWIP_SINGLE_NETIF==1: use a single netif only. This is the common case for
|
---|
| 1574 | * small real-life targets. Some code like routing etc. can be left out.
|
---|
| 1575 | */
|
---|
| 1576 | #if !defined LWIP_SINGLE_NETIF || defined __DOXYGEN__
|
---|
| 1577 | #define LWIP_SINGLE_NETIF 0
|
---|
| 1578 | #endif
|
---|
| 1579 |
|
---|
| 1580 | /**
|
---|
| 1581 | * LWIP_NETIF_HOSTNAME==1: use DHCP_OPTION_HOSTNAME with netif's hostname
|
---|
| 1582 | * field.
|
---|
| 1583 | */
|
---|
| 1584 | #if !defined LWIP_NETIF_HOSTNAME || defined __DOXYGEN__
|
---|
| 1585 | #define LWIP_NETIF_HOSTNAME 0
|
---|
| 1586 | #endif
|
---|
| 1587 |
|
---|
| 1588 | /**
|
---|
| 1589 | * LWIP_NETIF_API==1: Support netif api (in netifapi.c)
|
---|
| 1590 | */
|
---|
| 1591 | #if !defined LWIP_NETIF_API || defined __DOXYGEN__
|
---|
| 1592 | #define LWIP_NETIF_API 0
|
---|
| 1593 | #endif
|
---|
| 1594 |
|
---|
| 1595 | /**
|
---|
| 1596 | * LWIP_NETIF_STATUS_CALLBACK==1: Support a callback function whenever an interface
|
---|
| 1597 | * changes its up/down status (i.e., due to DHCP IP acquisition)
|
---|
| 1598 | */
|
---|
| 1599 | #if !defined LWIP_NETIF_STATUS_CALLBACK || defined __DOXYGEN__
|
---|
| 1600 | #define LWIP_NETIF_STATUS_CALLBACK 0
|
---|
| 1601 | #endif
|
---|
| 1602 |
|
---|
| 1603 | /**
|
---|
| 1604 | * LWIP_NETIF_EXT_STATUS_CALLBACK==1: Support an extended callback function
|
---|
| 1605 | * for several netif related event that supports multiple subscribers.
|
---|
| 1606 | * @see netif_ext_status_callback
|
---|
| 1607 | */
|
---|
| 1608 | #if !defined LWIP_NETIF_EXT_STATUS_CALLBACK || defined __DOXYGEN__
|
---|
| 1609 | #define LWIP_NETIF_EXT_STATUS_CALLBACK 0
|
---|
| 1610 | #endif
|
---|
| 1611 |
|
---|
| 1612 | /**
|
---|
| 1613 | * LWIP_NETIF_LINK_CALLBACK==1: Support a callback function from an interface
|
---|
| 1614 | * whenever the link changes (i.e., link down)
|
---|
| 1615 | */
|
---|
| 1616 | #if !defined LWIP_NETIF_LINK_CALLBACK || defined __DOXYGEN__
|
---|
| 1617 | #define LWIP_NETIF_LINK_CALLBACK 0
|
---|
| 1618 | #endif
|
---|
| 1619 |
|
---|
| 1620 | /**
|
---|
| 1621 | * LWIP_NETIF_REMOVE_CALLBACK==1: Support a callback function that is called
|
---|
| 1622 | * when a netif has been removed
|
---|
| 1623 | */
|
---|
| 1624 | #if !defined LWIP_NETIF_REMOVE_CALLBACK || defined __DOXYGEN__
|
---|
| 1625 | #define LWIP_NETIF_REMOVE_CALLBACK 0
|
---|
| 1626 | #endif
|
---|
| 1627 |
|
---|
| 1628 | /**
|
---|
| 1629 | * LWIP_NETIF_HWADDRHINT==1: Cache link-layer-address hints (e.g. table
|
---|
| 1630 | * indices) in struct netif. TCP and UDP can make use of this to prevent
|
---|
| 1631 | * scanning the ARP table for every sent packet. While this is faster for big
|
---|
| 1632 | * ARP tables or many concurrent connections, it might be counterproductive
|
---|
| 1633 | * if you have a tiny ARP table or if there never are concurrent connections.
|
---|
| 1634 | */
|
---|
| 1635 | #if !defined LWIP_NETIF_HWADDRHINT || defined __DOXYGEN__
|
---|
| 1636 | #define LWIP_NETIF_HWADDRHINT 0
|
---|
| 1637 | #endif
|
---|
| 1638 |
|
---|
| 1639 | /**
|
---|
| 1640 | * LWIP_NETIF_TX_SINGLE_PBUF: if this is set to 1, lwIP *tries* to put all data
|
---|
| 1641 | * to be sent into one single pbuf. This is for compatibility with DMA-enabled
|
---|
| 1642 | * MACs that do not support scatter-gather.
|
---|
| 1643 | * Beware that this might involve CPU-memcpy before transmitting that would not
|
---|
| 1644 | * be needed without this flag! Use this only if you need to!
|
---|
| 1645 | *
|
---|
| 1646 | * ATTENTION: a driver should *NOT* rely on getting single pbufs but check TX
|
---|
| 1647 | * pbufs for being in one piece. If not, @ref pbuf_clone can be used to get
|
---|
| 1648 | * a single pbuf:
|
---|
| 1649 | * if (p->next != NULL) {
|
---|
| 1650 | * struct pbuf *q = pbuf_clone(PBUF_RAW, PBUF_RAM, p);
|
---|
| 1651 | * if (q == NULL) {
|
---|
| 1652 | * return ERR_MEM;
|
---|
| 1653 | * }
|
---|
| 1654 | * p = q; ATTENTION: do NOT free the old 'p' as the ref belongs to the caller!
|
---|
| 1655 | * }
|
---|
| 1656 | */
|
---|
| 1657 | #if !defined LWIP_NETIF_TX_SINGLE_PBUF || defined __DOXYGEN__
|
---|
| 1658 | #define LWIP_NETIF_TX_SINGLE_PBUF 0
|
---|
| 1659 | #endif /* LWIP_NETIF_TX_SINGLE_PBUF */
|
---|
| 1660 |
|
---|
| 1661 | /**
|
---|
| 1662 | * LWIP_NUM_NETIF_CLIENT_DATA: Number of clients that may store
|
---|
| 1663 | * data in client_data member array of struct netif (max. 256).
|
---|
| 1664 | */
|
---|
| 1665 | #if !defined LWIP_NUM_NETIF_CLIENT_DATA || defined __DOXYGEN__
|
---|
| 1666 | #define LWIP_NUM_NETIF_CLIENT_DATA 0
|
---|
| 1667 | #endif
|
---|
| 1668 | /**
|
---|
| 1669 | * @}
|
---|
| 1670 | */
|
---|
| 1671 |
|
---|
| 1672 | /*
|
---|
| 1673 | ------------------------------------
|
---|
| 1674 | ---------- LOOPIF options ----------
|
---|
| 1675 | ------------------------------------
|
---|
| 1676 | */
|
---|
| 1677 | /**
|
---|
| 1678 | * @defgroup lwip_opts_loop Loopback interface
|
---|
| 1679 | * @ingroup lwip_opts_netif
|
---|
| 1680 | * @{
|
---|
| 1681 | */
|
---|
| 1682 | /**
|
---|
| 1683 | * LWIP_HAVE_LOOPIF==1: Support loop interface (127.0.0.1).
|
---|
| 1684 | * This is only needed when no real netifs are available. If at least one other
|
---|
| 1685 | * netif is available, loopback traffic uses this netif.
|
---|
| 1686 | */
|
---|
| 1687 | #if !defined LWIP_HAVE_LOOPIF || defined __DOXYGEN__
|
---|
| 1688 | #define LWIP_HAVE_LOOPIF (LWIP_NETIF_LOOPBACK && !LWIP_SINGLE_NETIF)
|
---|
| 1689 | #endif
|
---|
| 1690 |
|
---|
| 1691 | /**
|
---|
| 1692 | * LWIP_LOOPIF_MULTICAST==1: Support multicast/IGMP on loop interface (127.0.0.1).
|
---|
| 1693 | */
|
---|
| 1694 | #if !defined LWIP_LOOPIF_MULTICAST || defined __DOXYGEN__
|
---|
| 1695 | #define LWIP_LOOPIF_MULTICAST 0
|
---|
| 1696 | #endif
|
---|
| 1697 |
|
---|
| 1698 | /**
|
---|
| 1699 | * LWIP_NETIF_LOOPBACK==1: Support sending packets with a destination IP
|
---|
| 1700 | * address equal to the netif IP address, looping them back up the stack.
|
---|
| 1701 | */
|
---|
| 1702 | #if !defined LWIP_NETIF_LOOPBACK || defined __DOXYGEN__
|
---|
| 1703 | #define LWIP_NETIF_LOOPBACK 0
|
---|
| 1704 | #endif
|
---|
| 1705 |
|
---|
| 1706 | /**
|
---|
| 1707 | * LWIP_LOOPBACK_MAX_PBUFS: Maximum number of pbufs on queue for loopback
|
---|
| 1708 | * sending for each netif (0 = disabled)
|
---|
| 1709 | */
|
---|
| 1710 | #if !defined LWIP_LOOPBACK_MAX_PBUFS || defined __DOXYGEN__
|
---|
| 1711 | #define LWIP_LOOPBACK_MAX_PBUFS 0
|
---|
| 1712 | #endif
|
---|
| 1713 |
|
---|
| 1714 | /**
|
---|
| 1715 | * LWIP_NETIF_LOOPBACK_MULTITHREADING: Indicates whether threading is enabled in
|
---|
| 1716 | * the system, as netifs must change how they behave depending on this setting
|
---|
| 1717 | * for the LWIP_NETIF_LOOPBACK option to work.
|
---|
| 1718 | * Setting this is needed to avoid reentering non-reentrant functions like
|
---|
| 1719 | * tcp_input().
|
---|
| 1720 | * LWIP_NETIF_LOOPBACK_MULTITHREADING==1: Indicates that the user is using a
|
---|
| 1721 | * multithreaded environment like tcpip.c. In this case, netif->input()
|
---|
| 1722 | * is called directly.
|
---|
| 1723 | * LWIP_NETIF_LOOPBACK_MULTITHREADING==0: Indicates a polling (or NO_SYS) setup.
|
---|
| 1724 | * The packets are put on a list and netif_poll() must be called in
|
---|
| 1725 | * the main application loop.
|
---|
| 1726 | */
|
---|
| 1727 | #if !defined LWIP_NETIF_LOOPBACK_MULTITHREADING || defined __DOXYGEN__
|
---|
| 1728 | #define LWIP_NETIF_LOOPBACK_MULTITHREADING (!NO_SYS)
|
---|
| 1729 | #endif
|
---|
| 1730 | /**
|
---|
| 1731 | * @}
|
---|
| 1732 | */
|
---|
| 1733 |
|
---|
| 1734 | /*
|
---|
| 1735 | ------------------------------------
|
---|
| 1736 | ---------- Thread options ----------
|
---|
| 1737 | ------------------------------------
|
---|
| 1738 | */
|
---|
| 1739 | /**
|
---|
| 1740 | * @defgroup lwip_opts_thread Threading
|
---|
| 1741 | * @ingroup lwip_opts_infrastructure
|
---|
| 1742 | * @{
|
---|
| 1743 | */
|
---|
| 1744 | /**
|
---|
| 1745 | * TCPIP_THREAD_NAME: The name assigned to the main tcpip thread.
|
---|
| 1746 | */
|
---|
| 1747 | #if !defined TCPIP_THREAD_NAME || defined __DOXYGEN__
|
---|
| 1748 | #define TCPIP_THREAD_NAME "tcpip_thread"
|
---|
| 1749 | #endif
|
---|
| 1750 |
|
---|
| 1751 | /**
|
---|
| 1752 | * TCPIP_THREAD_STACKSIZE: The stack size used by the main tcpip thread.
|
---|
| 1753 | * The stack size value itself is platform-dependent, but is passed to
|
---|
| 1754 | * sys_thread_new() when the thread is created.
|
---|
| 1755 | */
|
---|
| 1756 | #if !defined TCPIP_THREAD_STACKSIZE || defined __DOXYGEN__
|
---|
| 1757 | #define TCPIP_THREAD_STACKSIZE 0
|
---|
| 1758 | #endif
|
---|
| 1759 |
|
---|
| 1760 | /**
|
---|
| 1761 | * TCPIP_THREAD_PRIO: The priority assigned to the main tcpip thread.
|
---|
| 1762 | * The priority value itself is platform-dependent, but is passed to
|
---|
| 1763 | * sys_thread_new() when the thread is created.
|
---|
| 1764 | */
|
---|
| 1765 | #if !defined TCPIP_THREAD_PRIO || defined __DOXYGEN__
|
---|
| 1766 | #define TCPIP_THREAD_PRIO 1
|
---|
| 1767 | #endif
|
---|
| 1768 |
|
---|
| 1769 | /**
|
---|
| 1770 | * TCPIP_MBOX_SIZE: The mailbox size for the tcpip thread messages
|
---|
| 1771 | * The queue size value itself is platform-dependent, but is passed to
|
---|
| 1772 | * sys_mbox_new() when tcpip_init is called.
|
---|
| 1773 | */
|
---|
| 1774 | #if !defined TCPIP_MBOX_SIZE || defined __DOXYGEN__
|
---|
| 1775 | #define TCPIP_MBOX_SIZE 0
|
---|
| 1776 | #endif
|
---|
| 1777 |
|
---|
| 1778 | /**
|
---|
| 1779 | * Define this to something that triggers a watchdog. This is called from
|
---|
| 1780 | * tcpip_thread after processing a message.
|
---|
| 1781 | */
|
---|
| 1782 | #if !defined LWIP_TCPIP_THREAD_ALIVE || defined __DOXYGEN__
|
---|
| 1783 | #define LWIP_TCPIP_THREAD_ALIVE()
|
---|
| 1784 | #endif
|
---|
| 1785 |
|
---|
| 1786 | /**
|
---|
| 1787 | * SLIPIF_THREAD_NAME: The name assigned to the slipif_loop thread.
|
---|
| 1788 | */
|
---|
| 1789 | #if !defined SLIPIF_THREAD_NAME || defined __DOXYGEN__
|
---|
| 1790 | #define SLIPIF_THREAD_NAME "slipif_loop"
|
---|
| 1791 | #endif
|
---|
| 1792 |
|
---|
| 1793 | /**
|
---|
| 1794 | * SLIP_THREAD_STACKSIZE: The stack size used by the slipif_loop thread.
|
---|
| 1795 | * The stack size value itself is platform-dependent, but is passed to
|
---|
| 1796 | * sys_thread_new() when the thread is created.
|
---|
| 1797 | */
|
---|
| 1798 | #if !defined SLIPIF_THREAD_STACKSIZE || defined __DOXYGEN__
|
---|
| 1799 | #define SLIPIF_THREAD_STACKSIZE 0
|
---|
| 1800 | #endif
|
---|
| 1801 |
|
---|
| 1802 | /**
|
---|
| 1803 | * SLIPIF_THREAD_PRIO: The priority assigned to the slipif_loop thread.
|
---|
| 1804 | * The priority value itself is platform-dependent, but is passed to
|
---|
| 1805 | * sys_thread_new() when the thread is created.
|
---|
| 1806 | */
|
---|
| 1807 | #if !defined SLIPIF_THREAD_PRIO || defined __DOXYGEN__
|
---|
| 1808 | #define SLIPIF_THREAD_PRIO 1
|
---|
| 1809 | #endif
|
---|
| 1810 |
|
---|
| 1811 | /**
|
---|
| 1812 | * DEFAULT_THREAD_NAME: The name assigned to any other lwIP thread.
|
---|
| 1813 | */
|
---|
| 1814 | #if !defined DEFAULT_THREAD_NAME || defined __DOXYGEN__
|
---|
| 1815 | #define DEFAULT_THREAD_NAME "lwIP"
|
---|
| 1816 | #endif
|
---|
| 1817 |
|
---|
| 1818 | /**
|
---|
| 1819 | * DEFAULT_THREAD_STACKSIZE: The stack size used by any other lwIP thread.
|
---|
| 1820 | * The stack size value itself is platform-dependent, but is passed to
|
---|
| 1821 | * sys_thread_new() when the thread is created.
|
---|
| 1822 | */
|
---|
| 1823 | #if !defined DEFAULT_THREAD_STACKSIZE || defined __DOXYGEN__
|
---|
| 1824 | #define DEFAULT_THREAD_STACKSIZE 0
|
---|
| 1825 | #endif
|
---|
| 1826 |
|
---|
| 1827 | /**
|
---|
| 1828 | * DEFAULT_THREAD_PRIO: The priority assigned to any other lwIP thread.
|
---|
| 1829 | * The priority value itself is platform-dependent, but is passed to
|
---|
| 1830 | * sys_thread_new() when the thread is created.
|
---|
| 1831 | */
|
---|
| 1832 | #if !defined DEFAULT_THREAD_PRIO || defined __DOXYGEN__
|
---|
| 1833 | #define DEFAULT_THREAD_PRIO 1
|
---|
| 1834 | #endif
|
---|
| 1835 |
|
---|
| 1836 | /**
|
---|
| 1837 | * DEFAULT_RAW_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
|
---|
| 1838 | * NETCONN_RAW. The queue size value itself is platform-dependent, but is passed
|
---|
| 1839 | * to sys_mbox_new() when the recvmbox is created.
|
---|
| 1840 | */
|
---|
| 1841 | #if !defined DEFAULT_RAW_RECVMBOX_SIZE || defined __DOXYGEN__
|
---|
| 1842 | #define DEFAULT_RAW_RECVMBOX_SIZE 0
|
---|
| 1843 | #endif
|
---|
| 1844 |
|
---|
| 1845 | /**
|
---|
| 1846 | * DEFAULT_UDP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
|
---|
| 1847 | * NETCONN_UDP. The queue size value itself is platform-dependent, but is passed
|
---|
| 1848 | * to sys_mbox_new() when the recvmbox is created.
|
---|
| 1849 | */
|
---|
| 1850 | #if !defined DEFAULT_UDP_RECVMBOX_SIZE || defined __DOXYGEN__
|
---|
| 1851 | #define DEFAULT_UDP_RECVMBOX_SIZE 0
|
---|
| 1852 | #endif
|
---|
| 1853 |
|
---|
| 1854 | /**
|
---|
| 1855 | * DEFAULT_TCP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
|
---|
| 1856 | * NETCONN_TCP. The queue size value itself is platform-dependent, but is passed
|
---|
| 1857 | * to sys_mbox_new() when the recvmbox is created.
|
---|
| 1858 | */
|
---|
| 1859 | #if !defined DEFAULT_TCP_RECVMBOX_SIZE || defined __DOXYGEN__
|
---|
| 1860 | #define DEFAULT_TCP_RECVMBOX_SIZE 0
|
---|
| 1861 | #endif
|
---|
| 1862 |
|
---|
| 1863 | /**
|
---|
| 1864 | * DEFAULT_ACCEPTMBOX_SIZE: The mailbox size for the incoming connections.
|
---|
| 1865 | * The queue size value itself is platform-dependent, but is passed to
|
---|
| 1866 | * sys_mbox_new() when the acceptmbox is created.
|
---|
| 1867 | */
|
---|
| 1868 | #if !defined DEFAULT_ACCEPTMBOX_SIZE || defined __DOXYGEN__
|
---|
| 1869 | #define DEFAULT_ACCEPTMBOX_SIZE 0
|
---|
| 1870 | #endif
|
---|
| 1871 | /**
|
---|
| 1872 | * @}
|
---|
| 1873 | */
|
---|
| 1874 |
|
---|
| 1875 | /*
|
---|
| 1876 | ----------------------------------------------
|
---|
| 1877 | ---------- Sequential layer options ----------
|
---|
| 1878 | ----------------------------------------------
|
---|
| 1879 | */
|
---|
| 1880 | /**
|
---|
| 1881 | * @defgroup lwip_opts_netconn Netconn
|
---|
| 1882 | * @ingroup lwip_opts_threadsafe_apis
|
---|
| 1883 | * @{
|
---|
| 1884 | */
|
---|
| 1885 | /**
|
---|
| 1886 | * LWIP_NETCONN==1: Enable Netconn API (require to use api_lib.c)
|
---|
| 1887 | */
|
---|
| 1888 | #if !defined LWIP_NETCONN || defined __DOXYGEN__
|
---|
| 1889 | #define LWIP_NETCONN 1
|
---|
| 1890 | #endif
|
---|
| 1891 |
|
---|
| 1892 | /** LWIP_TCPIP_TIMEOUT==1: Enable tcpip_timeout/tcpip_untimeout to create
|
---|
| 1893 | * timers running in tcpip_thread from another thread.
|
---|
| 1894 | */
|
---|
| 1895 | #if !defined LWIP_TCPIP_TIMEOUT || defined __DOXYGEN__
|
---|
| 1896 | #define LWIP_TCPIP_TIMEOUT 0
|
---|
| 1897 | #endif
|
---|
| 1898 |
|
---|
| 1899 | /** LWIP_NETCONN_SEM_PER_THREAD==1: Use one (thread-local) semaphore per
|
---|
| 1900 | * thread calling socket/netconn functions instead of allocating one
|
---|
| 1901 | * semaphore per netconn (and per select etc.)
|
---|
| 1902 | * ATTENTION: a thread-local semaphore for API calls is needed:
|
---|
| 1903 | * - LWIP_NETCONN_THREAD_SEM_GET() returning a sys_sem_t*
|
---|
| 1904 | * - LWIP_NETCONN_THREAD_SEM_ALLOC() creating the semaphore
|
---|
| 1905 | * - LWIP_NETCONN_THREAD_SEM_FREE() freeing the semaphore
|
---|
| 1906 | * The latter 2 can be invoked up by calling netconn_thread_init()/netconn_thread_cleanup().
|
---|
| 1907 | * Ports may call these for threads created with sys_thread_new().
|
---|
| 1908 | */
|
---|
| 1909 | #if !defined LWIP_NETCONN_SEM_PER_THREAD || defined __DOXYGEN__
|
---|
| 1910 | #define LWIP_NETCONN_SEM_PER_THREAD 0
|
---|
| 1911 | #endif
|
---|
| 1912 |
|
---|
| 1913 | /** LWIP_NETCONN_FULLDUPLEX==1: Enable code that allows reading from one thread,
|
---|
| 1914 | * writing from a 2nd thread and closing from a 3rd thread at the same time.
|
---|
| 1915 | * ATTENTION: This is currently really alpha! Some requirements:
|
---|
| 1916 | * - LWIP_NETCONN_SEM_PER_THREAD==1 is required to use one socket/netconn from
|
---|
| 1917 | * multiple threads at once
|
---|
| 1918 | * - sys_mbox_free() has to unblock receive tasks waiting on recvmbox/acceptmbox
|
---|
| 1919 | * and prevent a task pending on this during/after deletion
|
---|
| 1920 | */
|
---|
| 1921 | #if !defined LWIP_NETCONN_FULLDUPLEX || defined __DOXYGEN__
|
---|
| 1922 | #define LWIP_NETCONN_FULLDUPLEX 0
|
---|
| 1923 | #endif
|
---|
| 1924 | /**
|
---|
| 1925 | * @}
|
---|
| 1926 | */
|
---|
| 1927 |
|
---|
| 1928 | /*
|
---|
| 1929 | ------------------------------------
|
---|
| 1930 | ---------- Socket options ----------
|
---|
| 1931 | ------------------------------------
|
---|
| 1932 | */
|
---|
| 1933 | /**
|
---|
| 1934 | * @defgroup lwip_opts_socket Sockets
|
---|
| 1935 | * @ingroup lwip_opts_threadsafe_apis
|
---|
| 1936 | * @{
|
---|
| 1937 | */
|
---|
| 1938 | /**
|
---|
| 1939 | * LWIP_SOCKET==1: Enable Socket API (require to use sockets.c)
|
---|
| 1940 | */
|
---|
| 1941 | #if !defined LWIP_SOCKET || defined __DOXYGEN__
|
---|
| 1942 | #define LWIP_SOCKET 1
|
---|
| 1943 | #endif
|
---|
| 1944 |
|
---|
| 1945 | /**
|
---|
| 1946 | * LWIP_COMPAT_SOCKETS==1: Enable BSD-style sockets functions names through defines.
|
---|
| 1947 | * LWIP_COMPAT_SOCKETS==2: Same as ==1 but correctly named functions are created.
|
---|
| 1948 | * While this helps code completion, it might conflict with existing libraries.
|
---|
| 1949 | * (only used if you use sockets.c)
|
---|
| 1950 | */
|
---|
| 1951 | #if !defined LWIP_COMPAT_SOCKETS || defined __DOXYGEN__
|
---|
| 1952 | #define LWIP_COMPAT_SOCKETS 1
|
---|
| 1953 | #endif
|
---|
| 1954 |
|
---|
| 1955 | /**
|
---|
| 1956 | * LWIP_POSIX_SOCKETS_IO_NAMES==1: Enable POSIX-style sockets functions names.
|
---|
| 1957 | * Disable this option if you use a POSIX operating system that uses the same
|
---|
| 1958 | * names (read, write & close). (only used if you use sockets.c)
|
---|
| 1959 | */
|
---|
| 1960 | #if !defined LWIP_POSIX_SOCKETS_IO_NAMES || defined __DOXYGEN__
|
---|
| 1961 | #define LWIP_POSIX_SOCKETS_IO_NAMES 1
|
---|
| 1962 | #endif
|
---|
| 1963 |
|
---|
| 1964 | /**
|
---|
| 1965 | * LWIP_SOCKET_OFFSET==n: Increases the file descriptor number created by LwIP with n.
|
---|
| 1966 | * This can be useful when there are multiple APIs which create file descriptors.
|
---|
| 1967 | * When they all start with a different offset and you won't make them overlap you can
|
---|
| 1968 | * re implement read/write/close/ioctl/fnctl to send the requested action to the right
|
---|
| 1969 | * library (sharing select will need more work though).
|
---|
| 1970 | */
|
---|
| 1971 | #if !defined LWIP_SOCKET_OFFSET || defined __DOXYGEN__
|
---|
| 1972 | #define LWIP_SOCKET_OFFSET 0
|
---|
| 1973 | #endif
|
---|
| 1974 |
|
---|
| 1975 | /**
|
---|
| 1976 | * LWIP_TCP_KEEPALIVE==1: Enable TCP_KEEPIDLE, TCP_KEEPINTVL and TCP_KEEPCNT
|
---|
| 1977 | * options processing. Note that TCP_KEEPIDLE and TCP_KEEPINTVL have to be set
|
---|
| 1978 | * in seconds. (does not require sockets.c, and will affect tcp.c)
|
---|
| 1979 | */
|
---|
| 1980 | #if !defined LWIP_TCP_KEEPALIVE || defined __DOXYGEN__
|
---|
| 1981 | #define LWIP_TCP_KEEPALIVE 0
|
---|
| 1982 | #endif
|
---|
| 1983 |
|
---|
| 1984 | /**
|
---|
| 1985 | * LWIP_SO_SNDTIMEO==1: Enable send timeout for sockets/netconns and
|
---|
| 1986 | * SO_SNDTIMEO processing.
|
---|
| 1987 | */
|
---|
| 1988 | #if !defined LWIP_SO_SNDTIMEO || defined __DOXYGEN__
|
---|
| 1989 | #define LWIP_SO_SNDTIMEO 0
|
---|
| 1990 | #endif
|
---|
| 1991 |
|
---|
| 1992 | /**
|
---|
| 1993 | * LWIP_SO_RCVTIMEO==1: Enable receive timeout for sockets/netconns and
|
---|
| 1994 | * SO_RCVTIMEO processing.
|
---|
| 1995 | */
|
---|
| 1996 | #if !defined LWIP_SO_RCVTIMEO || defined __DOXYGEN__
|
---|
| 1997 | #define LWIP_SO_RCVTIMEO 0
|
---|
| 1998 | #endif
|
---|
| 1999 |
|
---|
| 2000 | /**
|
---|
| 2001 | * LWIP_SO_SNDRCVTIMEO_NONSTANDARD==1: SO_RCVTIMEO/SO_SNDTIMEO take an int
|
---|
| 2002 | * (milliseconds, much like winsock does) instead of a struct timeval (default).
|
---|
| 2003 | */
|
---|
| 2004 | #if !defined LWIP_SO_SNDRCVTIMEO_NONSTANDARD || defined __DOXYGEN__
|
---|
| 2005 | #define LWIP_SO_SNDRCVTIMEO_NONSTANDARD 0
|
---|
| 2006 | #endif
|
---|
| 2007 |
|
---|
| 2008 | /**
|
---|
| 2009 | * LWIP_SO_RCVBUF==1: Enable SO_RCVBUF processing.
|
---|
| 2010 | */
|
---|
| 2011 | #if !defined LWIP_SO_RCVBUF || defined __DOXYGEN__
|
---|
| 2012 | #define LWIP_SO_RCVBUF 0
|
---|
| 2013 | #endif
|
---|
| 2014 |
|
---|
| 2015 | /**
|
---|
| 2016 | * LWIP_SO_LINGER==1: Enable SO_LINGER processing.
|
---|
| 2017 | */
|
---|
| 2018 | #if !defined LWIP_SO_LINGER || defined __DOXYGEN__
|
---|
| 2019 | #define LWIP_SO_LINGER 0
|
---|
| 2020 | #endif
|
---|
| 2021 |
|
---|
| 2022 | /**
|
---|
| 2023 | * If LWIP_SO_RCVBUF is used, this is the default value for recv_bufsize.
|
---|
| 2024 | */
|
---|
| 2025 | #if !defined RECV_BUFSIZE_DEFAULT || defined __DOXYGEN__
|
---|
| 2026 | #define RECV_BUFSIZE_DEFAULT INT_MAX
|
---|
| 2027 | #endif
|
---|
| 2028 |
|
---|
| 2029 | /**
|
---|
| 2030 | * By default, TCP socket/netconn close waits 20 seconds max to send the FIN
|
---|
| 2031 | */
|
---|
| 2032 | #if !defined LWIP_TCP_CLOSE_TIMEOUT_MS_DEFAULT || defined __DOXYGEN__
|
---|
| 2033 | #define LWIP_TCP_CLOSE_TIMEOUT_MS_DEFAULT 20000
|
---|
| 2034 | #endif
|
---|
| 2035 |
|
---|
| 2036 | /**
|
---|
| 2037 | * SO_REUSE==1: Enable SO_REUSEADDR option.
|
---|
| 2038 | */
|
---|
| 2039 | #if !defined SO_REUSE || defined __DOXYGEN__
|
---|
| 2040 | #define SO_REUSE 0
|
---|
| 2041 | #endif
|
---|
| 2042 |
|
---|
| 2043 | /**
|
---|
| 2044 | * SO_REUSE_RXTOALL==1: Pass a copy of incoming broadcast/multicast packets
|
---|
| 2045 | * to all local matches if SO_REUSEADDR is turned on.
|
---|
| 2046 | * WARNING: Adds a memcpy for every packet if passing to more than one pcb!
|
---|
| 2047 | */
|
---|
| 2048 | #if !defined SO_REUSE_RXTOALL || defined __DOXYGEN__
|
---|
| 2049 | #define SO_REUSE_RXTOALL 0
|
---|
| 2050 | #endif
|
---|
| 2051 |
|
---|
| 2052 | /**
|
---|
| 2053 | * LWIP_FIONREAD_LINUXMODE==0 (default): ioctl/FIONREAD returns the amount of
|
---|
| 2054 | * pending data in the network buffer. This is the way windows does it. It's
|
---|
| 2055 | * the default for lwIP since it is smaller.
|
---|
| 2056 | * LWIP_FIONREAD_LINUXMODE==1: ioctl/FIONREAD returns the size of the next
|
---|
| 2057 | * pending datagram in bytes. This is the way linux does it. This code is only
|
---|
| 2058 | * here for compatibility.
|
---|
| 2059 | */
|
---|
| 2060 | #if !defined LWIP_FIONREAD_LINUXMODE || defined __DOXYGEN__
|
---|
| 2061 | #define LWIP_FIONREAD_LINUXMODE 0
|
---|
| 2062 | #endif
|
---|
| 2063 |
|
---|
| 2064 | /**
|
---|
| 2065 | * LWIP_SOCKET_SELECT==1 (default): enable select() for sockets (uses a netconn
|
---|
| 2066 | * callback to keep track of events).
|
---|
| 2067 | * This saves RAM (counters per socket) and code (netconn event callback), which
|
---|
| 2068 | * should improve performance a bit).
|
---|
| 2069 | */
|
---|
| 2070 | #if !defined LWIP_SOCKET_SELECT || defined __DOXYGEN__
|
---|
| 2071 | #define LWIP_SOCKET_SELECT 1
|
---|
| 2072 | #endif
|
---|
| 2073 |
|
---|
| 2074 | /**
|
---|
| 2075 | * LWIP_SOCKET_POLL==1 (default): enable poll() for sockets (including
|
---|
| 2076 | * struct pollfd, nfds_t, and constants)
|
---|
| 2077 | */
|
---|
| 2078 | #if !defined LWIP_SOCKET_POLL || defined __DOXYGEN__
|
---|
| 2079 | #define LWIP_SOCKET_POLL 1
|
---|
| 2080 | #endif
|
---|
| 2081 | /**
|
---|
| 2082 | * @}
|
---|
| 2083 | */
|
---|
| 2084 |
|
---|
| 2085 | /*
|
---|
| 2086 | ----------------------------------------
|
---|
| 2087 | ---------- Statistics options ----------
|
---|
| 2088 | ----------------------------------------
|
---|
| 2089 | */
|
---|
| 2090 | /**
|
---|
| 2091 | * @defgroup lwip_opts_stats Statistics
|
---|
| 2092 | * @ingroup lwip_opts_debug
|
---|
| 2093 | * @{
|
---|
| 2094 | */
|
---|
| 2095 | /**
|
---|
| 2096 | * LWIP_STATS==1: Enable statistics collection in lwip_stats.
|
---|
| 2097 | */
|
---|
| 2098 | #if !defined LWIP_STATS || defined __DOXYGEN__
|
---|
| 2099 | #define LWIP_STATS 1
|
---|
| 2100 | #endif
|
---|
| 2101 |
|
---|
| 2102 | #if LWIP_STATS
|
---|
| 2103 |
|
---|
| 2104 | /**
|
---|
| 2105 | * LWIP_STATS_DISPLAY==1: Compile in the statistics output functions.
|
---|
| 2106 | */
|
---|
| 2107 | #if !defined LWIP_STATS_DISPLAY || defined __DOXYGEN__
|
---|
| 2108 | #define LWIP_STATS_DISPLAY 0
|
---|
| 2109 | #endif
|
---|
| 2110 |
|
---|
| 2111 | /**
|
---|
| 2112 | * LINK_STATS==1: Enable link stats.
|
---|
| 2113 | */
|
---|
| 2114 | #if !defined LINK_STATS || defined __DOXYGEN__
|
---|
| 2115 | #define LINK_STATS 1
|
---|
| 2116 | #endif
|
---|
| 2117 |
|
---|
| 2118 | /**
|
---|
| 2119 | * ETHARP_STATS==1: Enable etharp stats.
|
---|
| 2120 | */
|
---|
| 2121 | #if !defined ETHARP_STATS || defined __DOXYGEN__
|
---|
| 2122 | #define ETHARP_STATS (LWIP_ARP)
|
---|
| 2123 | #endif
|
---|
| 2124 |
|
---|
| 2125 | /**
|
---|
| 2126 | * IP_STATS==1: Enable IP stats.
|
---|
| 2127 | */
|
---|
| 2128 | #if !defined IP_STATS || defined __DOXYGEN__
|
---|
| 2129 | #define IP_STATS 1
|
---|
| 2130 | #endif
|
---|
| 2131 |
|
---|
| 2132 | /**
|
---|
| 2133 | * IPFRAG_STATS==1: Enable IP fragmentation stats. Default is
|
---|
| 2134 | * on if using either frag or reass.
|
---|
| 2135 | */
|
---|
| 2136 | #if !defined IPFRAG_STATS || defined __DOXYGEN__
|
---|
| 2137 | #define IPFRAG_STATS (IP_REASSEMBLY || IP_FRAG)
|
---|
| 2138 | #endif
|
---|
| 2139 |
|
---|
| 2140 | /**
|
---|
| 2141 | * ICMP_STATS==1: Enable ICMP stats.
|
---|
| 2142 | */
|
---|
| 2143 | #if !defined ICMP_STATS || defined __DOXYGEN__
|
---|
| 2144 | #define ICMP_STATS 1
|
---|
| 2145 | #endif
|
---|
| 2146 |
|
---|
| 2147 | /**
|
---|
| 2148 | * IGMP_STATS==1: Enable IGMP stats.
|
---|
| 2149 | */
|
---|
| 2150 | #if !defined IGMP_STATS || defined __DOXYGEN__
|
---|
| 2151 | #define IGMP_STATS (LWIP_IGMP)
|
---|
| 2152 | #endif
|
---|
| 2153 |
|
---|
| 2154 | /**
|
---|
| 2155 | * UDP_STATS==1: Enable UDP stats. Default is on if
|
---|
| 2156 | * UDP enabled, otherwise off.
|
---|
| 2157 | */
|
---|
| 2158 | #if !defined UDP_STATS || defined __DOXYGEN__
|
---|
| 2159 | #define UDP_STATS (LWIP_UDP)
|
---|
| 2160 | #endif
|
---|
| 2161 |
|
---|
| 2162 | /**
|
---|
| 2163 | * TCP_STATS==1: Enable TCP stats. Default is on if TCP
|
---|
| 2164 | * enabled, otherwise off.
|
---|
| 2165 | */
|
---|
| 2166 | #if !defined TCP_STATS || defined __DOXYGEN__
|
---|
| 2167 | #define TCP_STATS (LWIP_TCP)
|
---|
| 2168 | #endif
|
---|
| 2169 |
|
---|
| 2170 | /**
|
---|
| 2171 | * MEM_STATS==1: Enable mem.c stats.
|
---|
| 2172 | */
|
---|
| 2173 | #if !defined MEM_STATS || defined __DOXYGEN__
|
---|
| 2174 | #define MEM_STATS ((MEM_LIBC_MALLOC == 0) && (MEM_USE_POOLS == 0))
|
---|
| 2175 | #endif
|
---|
| 2176 |
|
---|
| 2177 | /**
|
---|
| 2178 | * MEMP_STATS==1: Enable memp.c pool stats.
|
---|
| 2179 | */
|
---|
| 2180 | #if !defined MEMP_STATS || defined __DOXYGEN__
|
---|
| 2181 | #define MEMP_STATS (MEMP_MEM_MALLOC == 0)
|
---|
| 2182 | #endif
|
---|
| 2183 |
|
---|
| 2184 | /**
|
---|
| 2185 | * SYS_STATS==1: Enable system stats (sem and mbox counts, etc).
|
---|
| 2186 | */
|
---|
| 2187 | #if !defined SYS_STATS || defined __DOXYGEN__
|
---|
| 2188 | #define SYS_STATS (NO_SYS == 0)
|
---|
| 2189 | #endif
|
---|
| 2190 |
|
---|
| 2191 | /**
|
---|
| 2192 | * IP6_STATS==1: Enable IPv6 stats.
|
---|
| 2193 | */
|
---|
| 2194 | #if !defined IP6_STATS || defined __DOXYGEN__
|
---|
| 2195 | #define IP6_STATS (LWIP_IPV6)
|
---|
| 2196 | #endif
|
---|
| 2197 |
|
---|
| 2198 | /**
|
---|
| 2199 | * ICMP6_STATS==1: Enable ICMP for IPv6 stats.
|
---|
| 2200 | */
|
---|
| 2201 | #if !defined ICMP6_STATS || defined __DOXYGEN__
|
---|
| 2202 | #define ICMP6_STATS (LWIP_IPV6 && LWIP_ICMP6)
|
---|
| 2203 | #endif
|
---|
| 2204 |
|
---|
| 2205 | /**
|
---|
| 2206 | * IP6_FRAG_STATS==1: Enable IPv6 fragmentation stats.
|
---|
| 2207 | */
|
---|
| 2208 | #if !defined IP6_FRAG_STATS || defined __DOXYGEN__
|
---|
| 2209 | #define IP6_FRAG_STATS (LWIP_IPV6 && (LWIP_IPV6_FRAG || LWIP_IPV6_REASS))
|
---|
| 2210 | #endif
|
---|
| 2211 |
|
---|
| 2212 | /**
|
---|
| 2213 | * MLD6_STATS==1: Enable MLD for IPv6 stats.
|
---|
| 2214 | */
|
---|
| 2215 | #if !defined MLD6_STATS || defined __DOXYGEN__
|
---|
| 2216 | #define MLD6_STATS (LWIP_IPV6 && LWIP_IPV6_MLD)
|
---|
| 2217 | #endif
|
---|
| 2218 |
|
---|
| 2219 | /**
|
---|
| 2220 | * ND6_STATS==1: Enable Neighbor discovery for IPv6 stats.
|
---|
| 2221 | */
|
---|
| 2222 | #if !defined ND6_STATS || defined __DOXYGEN__
|
---|
| 2223 | #define ND6_STATS (LWIP_IPV6)
|
---|
| 2224 | #endif
|
---|
| 2225 |
|
---|
| 2226 | /**
|
---|
| 2227 | * MIB2_STATS==1: Stats for SNMP MIB2.
|
---|
| 2228 | */
|
---|
| 2229 | #if !defined MIB2_STATS || defined __DOXYGEN__
|
---|
| 2230 | #define MIB2_STATS 0
|
---|
| 2231 | #endif
|
---|
| 2232 |
|
---|
| 2233 | #else
|
---|
| 2234 |
|
---|
| 2235 | #define LINK_STATS 0
|
---|
| 2236 | #define ETHARP_STATS 0
|
---|
| 2237 | #define IP_STATS 0
|
---|
| 2238 | #define IPFRAG_STATS 0
|
---|
| 2239 | #define ICMP_STATS 0
|
---|
| 2240 | #define IGMP_STATS 0
|
---|
| 2241 | #define UDP_STATS 0
|
---|
| 2242 | #define TCP_STATS 0
|
---|
| 2243 | #define MEM_STATS 0
|
---|
| 2244 | #define MEMP_STATS 0
|
---|
| 2245 | #define SYS_STATS 0
|
---|
| 2246 | #define LWIP_STATS_DISPLAY 0
|
---|
| 2247 | #define IP6_STATS 0
|
---|
| 2248 | #define ICMP6_STATS 0
|
---|
| 2249 | #define IP6_FRAG_STATS 0
|
---|
| 2250 | #define MLD6_STATS 0
|
---|
| 2251 | #define ND6_STATS 0
|
---|
| 2252 | #define MIB2_STATS 0
|
---|
| 2253 |
|
---|
| 2254 | #endif /* LWIP_STATS */
|
---|
| 2255 | /**
|
---|
| 2256 | * @}
|
---|
| 2257 | */
|
---|
| 2258 |
|
---|
| 2259 | /*
|
---|
| 2260 | --------------------------------------
|
---|
| 2261 | ---------- Checksum options ----------
|
---|
| 2262 | --------------------------------------
|
---|
| 2263 | */
|
---|
| 2264 | /**
|
---|
| 2265 | * @defgroup lwip_opts_checksum Checksum
|
---|
| 2266 | * @ingroup lwip_opts_infrastructure
|
---|
| 2267 | * @{
|
---|
| 2268 | */
|
---|
| 2269 | /**
|
---|
| 2270 | * LWIP_CHECKSUM_CTRL_PER_NETIF==1: Checksum generation/check can be enabled/disabled
|
---|
| 2271 | * per netif.
|
---|
| 2272 | * ATTENTION: if enabled, the CHECKSUM_GEN_* and CHECKSUM_CHECK_* defines must be enabled!
|
---|
| 2273 | */
|
---|
| 2274 | #if !defined LWIP_CHECKSUM_CTRL_PER_NETIF || defined __DOXYGEN__
|
---|
| 2275 | #define LWIP_CHECKSUM_CTRL_PER_NETIF 0
|
---|
| 2276 | #endif
|
---|
| 2277 |
|
---|
| 2278 | /**
|
---|
| 2279 | * CHECKSUM_GEN_IP==1: Generate checksums in software for outgoing IP packets.
|
---|
| 2280 | */
|
---|
| 2281 | #if !defined CHECKSUM_GEN_IP || defined __DOXYGEN__
|
---|
| 2282 | #define CHECKSUM_GEN_IP 1
|
---|
| 2283 | #endif
|
---|
| 2284 |
|
---|
| 2285 | /**
|
---|
| 2286 | * CHECKSUM_GEN_UDP==1: Generate checksums in software for outgoing UDP packets.
|
---|
| 2287 | */
|
---|
| 2288 | #if !defined CHECKSUM_GEN_UDP || defined __DOXYGEN__
|
---|
| 2289 | #define CHECKSUM_GEN_UDP 1
|
---|
| 2290 | #endif
|
---|
| 2291 |
|
---|
| 2292 | /**
|
---|
| 2293 | * CHECKSUM_GEN_TCP==1: Generate checksums in software for outgoing TCP packets.
|
---|
| 2294 | */
|
---|
| 2295 | #if !defined CHECKSUM_GEN_TCP || defined __DOXYGEN__
|
---|
| 2296 | #define CHECKSUM_GEN_TCP 1
|
---|
| 2297 | #endif
|
---|
| 2298 |
|
---|
| 2299 | /**
|
---|
| 2300 | * CHECKSUM_GEN_ICMP==1: Generate checksums in software for outgoing ICMP packets.
|
---|
| 2301 | */
|
---|
| 2302 | #if !defined CHECKSUM_GEN_ICMP || defined __DOXYGEN__
|
---|
| 2303 | #define CHECKSUM_GEN_ICMP 1
|
---|
| 2304 | #endif
|
---|
| 2305 |
|
---|
| 2306 | /**
|
---|
| 2307 | * CHECKSUM_GEN_ICMP6==1: Generate checksums in software for outgoing ICMP6 packets.
|
---|
| 2308 | */
|
---|
| 2309 | #if !defined CHECKSUM_GEN_ICMP6 || defined __DOXYGEN__
|
---|
| 2310 | #define CHECKSUM_GEN_ICMP6 1
|
---|
| 2311 | #endif
|
---|
| 2312 |
|
---|
| 2313 | /**
|
---|
| 2314 | * CHECKSUM_CHECK_IP==1: Check checksums in software for incoming IP packets.
|
---|
| 2315 | */
|
---|
| 2316 | #if !defined CHECKSUM_CHECK_IP || defined __DOXYGEN__
|
---|
| 2317 | #define CHECKSUM_CHECK_IP 1
|
---|
| 2318 | #endif
|
---|
| 2319 |
|
---|
| 2320 | /**
|
---|
| 2321 | * CHECKSUM_CHECK_UDP==1: Check checksums in software for incoming UDP packets.
|
---|
| 2322 | */
|
---|
| 2323 | #if !defined CHECKSUM_CHECK_UDP || defined __DOXYGEN__
|
---|
| 2324 | #define CHECKSUM_CHECK_UDP 1
|
---|
| 2325 | #endif
|
---|
| 2326 |
|
---|
| 2327 | /**
|
---|
| 2328 | * CHECKSUM_CHECK_TCP==1: Check checksums in software for incoming TCP packets.
|
---|
| 2329 | */
|
---|
| 2330 | #if !defined CHECKSUM_CHECK_TCP || defined __DOXYGEN__
|
---|
| 2331 | #define CHECKSUM_CHECK_TCP 1
|
---|
| 2332 | #endif
|
---|
| 2333 |
|
---|
| 2334 | /**
|
---|
| 2335 | * CHECKSUM_CHECK_ICMP==1: Check checksums in software for incoming ICMP packets.
|
---|
| 2336 | */
|
---|
| 2337 | #if !defined CHECKSUM_CHECK_ICMP || defined __DOXYGEN__
|
---|
| 2338 | #define CHECKSUM_CHECK_ICMP 1
|
---|
| 2339 | #endif
|
---|
| 2340 |
|
---|
| 2341 | /**
|
---|
| 2342 | * CHECKSUM_CHECK_ICMP6==1: Check checksums in software for incoming ICMPv6 packets
|
---|
| 2343 | */
|
---|
| 2344 | #if !defined CHECKSUM_CHECK_ICMP6 || defined __DOXYGEN__
|
---|
| 2345 | #define CHECKSUM_CHECK_ICMP6 1
|
---|
| 2346 | #endif
|
---|
| 2347 |
|
---|
| 2348 | /**
|
---|
| 2349 | * LWIP_CHECKSUM_ON_COPY==1: Calculate checksum when copying data from
|
---|
| 2350 | * application buffers to pbufs.
|
---|
| 2351 | */
|
---|
| 2352 | #if !defined LWIP_CHECKSUM_ON_COPY || defined __DOXYGEN__
|
---|
| 2353 | #define LWIP_CHECKSUM_ON_COPY 0
|
---|
| 2354 | #endif
|
---|
| 2355 | /**
|
---|
| 2356 | * @}
|
---|
| 2357 | */
|
---|
| 2358 |
|
---|
| 2359 | /*
|
---|
| 2360 | ---------------------------------------
|
---|
| 2361 | ---------- IPv6 options ---------------
|
---|
| 2362 | ---------------------------------------
|
---|
| 2363 | */
|
---|
| 2364 | /**
|
---|
| 2365 | * @defgroup lwip_opts_ipv6 IPv6
|
---|
| 2366 | * @ingroup lwip_opts
|
---|
| 2367 | * @{
|
---|
| 2368 | */
|
---|
| 2369 | /**
|
---|
| 2370 | * LWIP_IPV6==1: Enable IPv6
|
---|
| 2371 | */
|
---|
| 2372 | #if !defined LWIP_IPV6 || defined __DOXYGEN__
|
---|
| 2373 | #define LWIP_IPV6 0
|
---|
| 2374 | #endif
|
---|
| 2375 |
|
---|
| 2376 | /**
|
---|
| 2377 | * IPV6_REASS_MAXAGE: Maximum time (in multiples of IP6_REASS_TMR_INTERVAL - so seconds, normally)
|
---|
| 2378 | * a fragmented IP packet waits for all fragments to arrive. If not all fragments arrived
|
---|
| 2379 | * in this time, the whole packet is discarded.
|
---|
| 2380 | */
|
---|
| 2381 | #if !defined IPV6_REASS_MAXAGE || defined __DOXYGEN__
|
---|
| 2382 | #define IPV6_REASS_MAXAGE 60
|
---|
| 2383 | #endif
|
---|
| 2384 |
|
---|
| 2385 | /**
|
---|
| 2386 | * LWIP_IPV6_SCOPES==1: Enable support for IPv6 address scopes, ensuring that
|
---|
| 2387 | * e.g. link-local addresses are really treated as link-local. Disable this
|
---|
| 2388 | * setting only for single-interface configurations.
|
---|
| 2389 | * All addresses that have a scope according to the default policy (link-local
|
---|
| 2390 | * unicast addresses, interface-local and link-local multicast addresses) should
|
---|
| 2391 | * now have a zone set on them before being passed to the core API, although
|
---|
| 2392 | * lwIP will currently attempt to select a zone on the caller's behalf when
|
---|
| 2393 | * necessary. Applications that directly assign IPv6 addresses to interfaces
|
---|
| 2394 | * (which is NOT recommended) must now ensure that link-local addresses carry
|
---|
| 2395 | * the netif's zone. See the new ip6_zone.h header file for more information and
|
---|
| 2396 | * relevant macros. For now it is still possible to turn off scopes support
|
---|
| 2397 | * through the new LWIP_IPV6_SCOPES option. When upgrading an implementation that
|
---|
| 2398 | * uses the core API directly, it is highly recommended to enable
|
---|
| 2399 | * LWIP_IPV6_SCOPES_DEBUG at least for a while, to ensure e.g. proper address
|
---|
| 2400 | * initialization.
|
---|
| 2401 | */
|
---|
| 2402 | #if !defined LWIP_IPV6_SCOPES || defined __DOXYGEN__
|
---|
| 2403 | #define LWIP_IPV6_SCOPES (LWIP_IPV6 && !LWIP_SINGLE_NETIF)
|
---|
| 2404 | #endif
|
---|
| 2405 |
|
---|
| 2406 | /**
|
---|
| 2407 | * LWIP_IPV6_SCOPES_DEBUG==1: Perform run-time checks to verify that addresses
|
---|
| 2408 | * are properly zoned (see ip6_zone.h on what that means) where it matters.
|
---|
| 2409 | * Enabling this setting is highly recommended when upgrading from an existing
|
---|
| 2410 | * installation that is not yet scope-aware; otherwise it may be too expensive.
|
---|
| 2411 | */
|
---|
| 2412 | #if !defined LWIP_IPV6_SCOPES_DEBUG || defined __DOXYGEN__
|
---|
| 2413 | #define LWIP_IPV6_SCOPES_DEBUG 0
|
---|
| 2414 | #endif
|
---|
| 2415 |
|
---|
| 2416 | /**
|
---|
| 2417 | * LWIP_IPV6_NUM_ADDRESSES: Number of IPv6 addresses per netif.
|
---|
| 2418 | */
|
---|
| 2419 | #if !defined LWIP_IPV6_NUM_ADDRESSES || defined __DOXYGEN__
|
---|
| 2420 | #define LWIP_IPV6_NUM_ADDRESSES 3
|
---|
| 2421 | #endif
|
---|
| 2422 |
|
---|
| 2423 | /**
|
---|
| 2424 | * LWIP_IPV6_FORWARD==1: Forward IPv6 packets across netifs
|
---|
| 2425 | */
|
---|
| 2426 | #if !defined LWIP_IPV6_FORWARD || defined __DOXYGEN__
|
---|
| 2427 | #define LWIP_IPV6_FORWARD 0
|
---|
| 2428 | #endif
|
---|
| 2429 |
|
---|
| 2430 | /**
|
---|
| 2431 | * LWIP_IPV6_FRAG==1: Fragment outgoing IPv6 packets that are too big.
|
---|
| 2432 | */
|
---|
| 2433 | #if !defined LWIP_IPV6_FRAG || defined __DOXYGEN__
|
---|
| 2434 | #define LWIP_IPV6_FRAG 1
|
---|
| 2435 | #endif
|
---|
| 2436 |
|
---|
| 2437 | /**
|
---|
| 2438 | * LWIP_IPV6_REASS==1: reassemble incoming IPv6 packets that fragmented
|
---|
| 2439 | */
|
---|
| 2440 | #if !defined LWIP_IPV6_REASS || defined __DOXYGEN__
|
---|
| 2441 | #define LWIP_IPV6_REASS LWIP_IPV6
|
---|
| 2442 | #endif
|
---|
| 2443 |
|
---|
| 2444 | /**
|
---|
| 2445 | * LWIP_IPV6_SEND_ROUTER_SOLICIT==1: Send router solicitation messages during
|
---|
| 2446 | * network startup.
|
---|
| 2447 | */
|
---|
| 2448 | #if !defined LWIP_IPV6_SEND_ROUTER_SOLICIT || defined __DOXYGEN__
|
---|
| 2449 | #define LWIP_IPV6_SEND_ROUTER_SOLICIT 1
|
---|
| 2450 | #endif
|
---|
| 2451 |
|
---|
| 2452 | /**
|
---|
| 2453 | * LWIP_IPV6_AUTOCONFIG==1: Enable stateless address autoconfiguration as per RFC 4862.
|
---|
| 2454 | */
|
---|
| 2455 | #if !defined LWIP_IPV6_AUTOCONFIG || defined __DOXYGEN__
|
---|
| 2456 | #define LWIP_IPV6_AUTOCONFIG LWIP_IPV6
|
---|
| 2457 | #endif
|
---|
| 2458 |
|
---|
| 2459 | /**
|
---|
| 2460 | * LWIP_IPV6_ADDRESS_LIFETIMES==1: Keep valid and preferred lifetimes for each
|
---|
| 2461 | * IPv6 address. Required for LWIP_IPV6_AUTOCONFIG. May still be enabled
|
---|
| 2462 | * otherwise, in which case the application may assign address lifetimes with
|
---|
| 2463 | * the appropriate macros. Addresses with no lifetime are assumed to be static.
|
---|
| 2464 | * If this option is disabled, all addresses are assumed to be static.
|
---|
| 2465 | */
|
---|
| 2466 | #if !defined LWIP_IPV6_ADDRESS_LIFETIMES || defined __DOXYGEN__
|
---|
| 2467 | #define LWIP_IPV6_ADDRESS_LIFETIMES LWIP_IPV6_AUTOCONFIG
|
---|
| 2468 | #endif
|
---|
| 2469 |
|
---|
| 2470 | /**
|
---|
| 2471 | * LWIP_IPV6_DUP_DETECT_ATTEMPTS=[0..7]: Number of duplicate address detection attempts.
|
---|
| 2472 | */
|
---|
| 2473 | #if !defined LWIP_IPV6_DUP_DETECT_ATTEMPTS || defined __DOXYGEN__
|
---|
| 2474 | #define LWIP_IPV6_DUP_DETECT_ATTEMPTS 1
|
---|
| 2475 | #endif
|
---|
| 2476 | /**
|
---|
| 2477 | * @}
|
---|
| 2478 | */
|
---|
| 2479 |
|
---|
| 2480 | /**
|
---|
| 2481 | * @defgroup lwip_opts_icmp6 ICMP6
|
---|
| 2482 | * @ingroup lwip_opts_ipv6
|
---|
| 2483 | * @{
|
---|
| 2484 | */
|
---|
| 2485 | /**
|
---|
| 2486 | * LWIP_ICMP6==1: Enable ICMPv6 (mandatory per RFC)
|
---|
| 2487 | */
|
---|
| 2488 | #if !defined LWIP_ICMP6 || defined __DOXYGEN__
|
---|
| 2489 | #define LWIP_ICMP6 LWIP_IPV6
|
---|
| 2490 | #endif
|
---|
| 2491 |
|
---|
| 2492 | /**
|
---|
| 2493 | * LWIP_ICMP6_DATASIZE: bytes from original packet to send back in
|
---|
| 2494 | * ICMPv6 error messages.
|
---|
| 2495 | */
|
---|
| 2496 | #if !defined LWIP_ICMP6_DATASIZE || defined __DOXYGEN__
|
---|
| 2497 | #define LWIP_ICMP6_DATASIZE 8
|
---|
| 2498 | #endif
|
---|
| 2499 |
|
---|
| 2500 | /**
|
---|
| 2501 | * LWIP_ICMP6_HL: default hop limit for ICMPv6 messages
|
---|
| 2502 | */
|
---|
| 2503 | #if !defined LWIP_ICMP6_HL || defined __DOXYGEN__
|
---|
| 2504 | #define LWIP_ICMP6_HL 255
|
---|
| 2505 | #endif
|
---|
| 2506 | /**
|
---|
| 2507 | * @}
|
---|
| 2508 | */
|
---|
| 2509 |
|
---|
| 2510 | /**
|
---|
| 2511 | * @defgroup lwip_opts_mld6 Multicast listener discovery
|
---|
| 2512 | * @ingroup lwip_opts_ipv6
|
---|
| 2513 | * @{
|
---|
| 2514 | */
|
---|
| 2515 | /**
|
---|
| 2516 | * LWIP_IPV6_MLD==1: Enable multicast listener discovery protocol.
|
---|
| 2517 | * If LWIP_IPV6 is enabled but this setting is disabled, the MAC layer must
|
---|
| 2518 | * indiscriminately pass all inbound IPv6 multicast traffic to lwIP.
|
---|
| 2519 | */
|
---|
| 2520 | #if !defined LWIP_IPV6_MLD || defined __DOXYGEN__
|
---|
| 2521 | #define LWIP_IPV6_MLD LWIP_IPV6
|
---|
| 2522 | #endif
|
---|
| 2523 |
|
---|
| 2524 | /**
|
---|
| 2525 | * MEMP_NUM_MLD6_GROUP: Max number of IPv6 multicast groups that can be joined.
|
---|
| 2526 | * There must be enough groups so that each netif can join the solicited-node
|
---|
| 2527 | * multicast group for each of its local addresses, plus one for MDNS if
|
---|
| 2528 | * applicable, plus any number of groups to be joined on UDP sockets.
|
---|
| 2529 | */
|
---|
| 2530 | #if !defined MEMP_NUM_MLD6_GROUP || defined __DOXYGEN__
|
---|
| 2531 | #define MEMP_NUM_MLD6_GROUP 4
|
---|
| 2532 | #endif
|
---|
| 2533 | /**
|
---|
| 2534 | * @}
|
---|
| 2535 | */
|
---|
| 2536 |
|
---|
| 2537 | /**
|
---|
| 2538 | * @defgroup lwip_opts_nd6 Neighbor discovery
|
---|
| 2539 | * @ingroup lwip_opts_ipv6
|
---|
| 2540 | * @{
|
---|
| 2541 | */
|
---|
| 2542 | /**
|
---|
| 2543 | * LWIP_ND6_QUEUEING==1: queue outgoing IPv6 packets while MAC address
|
---|
| 2544 | * is being resolved.
|
---|
| 2545 | */
|
---|
| 2546 | #if !defined LWIP_ND6_QUEUEING || defined __DOXYGEN__
|
---|
| 2547 | #define LWIP_ND6_QUEUEING LWIP_IPV6
|
---|
| 2548 | #endif
|
---|
| 2549 |
|
---|
| 2550 | /**
|
---|
| 2551 | * MEMP_NUM_ND6_QUEUE: Max number of IPv6 packets to queue during MAC resolution.
|
---|
| 2552 | */
|
---|
| 2553 | #if !defined MEMP_NUM_ND6_QUEUE || defined __DOXYGEN__
|
---|
| 2554 | #define MEMP_NUM_ND6_QUEUE 20
|
---|
| 2555 | #endif
|
---|
| 2556 |
|
---|
| 2557 | /**
|
---|
| 2558 | * LWIP_ND6_NUM_NEIGHBORS: Number of entries in IPv6 neighbor cache
|
---|
| 2559 | */
|
---|
| 2560 | #if !defined LWIP_ND6_NUM_NEIGHBORS || defined __DOXYGEN__
|
---|
| 2561 | #define LWIP_ND6_NUM_NEIGHBORS 10
|
---|
| 2562 | #endif
|
---|
| 2563 |
|
---|
| 2564 | /**
|
---|
| 2565 | * LWIP_ND6_NUM_DESTINATIONS: number of entries in IPv6 destination cache
|
---|
| 2566 | */
|
---|
| 2567 | #if !defined LWIP_ND6_NUM_DESTINATIONS || defined __DOXYGEN__
|
---|
| 2568 | #define LWIP_ND6_NUM_DESTINATIONS 10
|
---|
| 2569 | #endif
|
---|
| 2570 |
|
---|
| 2571 | /**
|
---|
| 2572 | * LWIP_ND6_NUM_PREFIXES: number of entries in IPv6 on-link prefixes cache
|
---|
| 2573 | */
|
---|
| 2574 | #if !defined LWIP_ND6_NUM_PREFIXES || defined __DOXYGEN__
|
---|
| 2575 | #define LWIP_ND6_NUM_PREFIXES 5
|
---|
| 2576 | #endif
|
---|
| 2577 |
|
---|
| 2578 | /**
|
---|
| 2579 | * LWIP_ND6_NUM_ROUTERS: number of entries in IPv6 default router cache
|
---|
| 2580 | */
|
---|
| 2581 | #if !defined LWIP_ND6_NUM_ROUTERS || defined __DOXYGEN__
|
---|
| 2582 | #define LWIP_ND6_NUM_ROUTERS 3
|
---|
| 2583 | #endif
|
---|
| 2584 |
|
---|
| 2585 | /**
|
---|
| 2586 | * LWIP_ND6_MAX_MULTICAST_SOLICIT: max number of multicast solicit messages to send
|
---|
| 2587 | * (neighbor solicit and router solicit)
|
---|
| 2588 | */
|
---|
| 2589 | #if !defined LWIP_ND6_MAX_MULTICAST_SOLICIT || defined __DOXYGEN__
|
---|
| 2590 | #define LWIP_ND6_MAX_MULTICAST_SOLICIT 3
|
---|
| 2591 | #endif
|
---|
| 2592 |
|
---|
| 2593 | /**
|
---|
| 2594 | * LWIP_ND6_MAX_UNICAST_SOLICIT: max number of unicast neighbor solicitation messages
|
---|
| 2595 | * to send during neighbor reachability detection.
|
---|
| 2596 | */
|
---|
| 2597 | #if !defined LWIP_ND6_MAX_UNICAST_SOLICIT || defined __DOXYGEN__
|
---|
| 2598 | #define LWIP_ND6_MAX_UNICAST_SOLICIT 3
|
---|
| 2599 | #endif
|
---|
| 2600 |
|
---|
| 2601 | /**
|
---|
| 2602 | * Unused: See ND RFC (time in milliseconds).
|
---|
| 2603 | */
|
---|
| 2604 | #if !defined LWIP_ND6_MAX_ANYCAST_DELAY_TIME || defined __DOXYGEN__
|
---|
| 2605 | #define LWIP_ND6_MAX_ANYCAST_DELAY_TIME 1000
|
---|
| 2606 | #endif
|
---|
| 2607 |
|
---|
| 2608 | /**
|
---|
| 2609 | * Unused: See ND RFC
|
---|
| 2610 | */
|
---|
| 2611 | #if !defined LWIP_ND6_MAX_NEIGHBOR_ADVERTISEMENT || defined __DOXYGEN__
|
---|
| 2612 | #define LWIP_ND6_MAX_NEIGHBOR_ADVERTISEMENT 3
|
---|
| 2613 | #endif
|
---|
| 2614 |
|
---|
| 2615 | /**
|
---|
| 2616 | * LWIP_ND6_REACHABLE_TIME: default neighbor reachable time (in milliseconds).
|
---|
| 2617 | * May be updated by router advertisement messages.
|
---|
| 2618 | */
|
---|
| 2619 | #if !defined LWIP_ND6_REACHABLE_TIME || defined __DOXYGEN__
|
---|
| 2620 | #define LWIP_ND6_REACHABLE_TIME 30000
|
---|
| 2621 | #endif
|
---|
| 2622 |
|
---|
| 2623 | /**
|
---|
| 2624 | * LWIP_ND6_RETRANS_TIMER: default retransmission timer for solicitation messages
|
---|
| 2625 | */
|
---|
| 2626 | #if !defined LWIP_ND6_RETRANS_TIMER || defined __DOXYGEN__
|
---|
| 2627 | #define LWIP_ND6_RETRANS_TIMER 1000
|
---|
| 2628 | #endif
|
---|
| 2629 |
|
---|
| 2630 | /**
|
---|
| 2631 | * LWIP_ND6_DELAY_FIRST_PROBE_TIME: Delay before first unicast neighbor solicitation
|
---|
| 2632 | * message is sent, during neighbor reachability detection.
|
---|
| 2633 | */
|
---|
| 2634 | #if !defined LWIP_ND6_DELAY_FIRST_PROBE_TIME || defined __DOXYGEN__
|
---|
| 2635 | #define LWIP_ND6_DELAY_FIRST_PROBE_TIME 5000
|
---|
| 2636 | #endif
|
---|
| 2637 |
|
---|
| 2638 | /**
|
---|
| 2639 | * LWIP_ND6_ALLOW_RA_UPDATES==1: Allow Router Advertisement messages to update
|
---|
| 2640 | * Reachable time and retransmission timers, and netif MTU.
|
---|
| 2641 | */
|
---|
| 2642 | #if !defined LWIP_ND6_ALLOW_RA_UPDATES || defined __DOXYGEN__
|
---|
| 2643 | #define LWIP_ND6_ALLOW_RA_UPDATES 1
|
---|
| 2644 | #endif
|
---|
| 2645 |
|
---|
| 2646 | /**
|
---|
| 2647 | * LWIP_ND6_TCP_REACHABILITY_HINTS==1: Allow TCP to provide Neighbor Discovery
|
---|
| 2648 | * with reachability hints for connected destinations. This helps avoid sending
|
---|
| 2649 | * unicast neighbor solicitation messages.
|
---|
| 2650 | */
|
---|
| 2651 | #if !defined LWIP_ND6_TCP_REACHABILITY_HINTS || defined __DOXYGEN__
|
---|
| 2652 | #define LWIP_ND6_TCP_REACHABILITY_HINTS 1
|
---|
| 2653 | #endif
|
---|
| 2654 |
|
---|
| 2655 | /**
|
---|
| 2656 | * LWIP_ND6_RDNSS_MAX_DNS_SERVERS > 0: Use IPv6 Router Advertisement Recursive
|
---|
| 2657 | * DNS Server Option (as per RFC 6106) to copy a defined maximum number of DNS
|
---|
| 2658 | * servers to the DNS module.
|
---|
| 2659 | */
|
---|
| 2660 | #if !defined LWIP_ND6_RDNSS_MAX_DNS_SERVERS || defined __DOXYGEN__
|
---|
| 2661 | #define LWIP_ND6_RDNSS_MAX_DNS_SERVERS 0
|
---|
| 2662 | #endif
|
---|
| 2663 | /**
|
---|
| 2664 | * @}
|
---|
| 2665 | */
|
---|
| 2666 |
|
---|
| 2667 | /**
|
---|
| 2668 | * @defgroup lwip_opts_dhcpv6 DHCPv6
|
---|
| 2669 | * @ingroup lwip_opts_ipv6
|
---|
| 2670 | * @{
|
---|
| 2671 | */
|
---|
| 2672 | /**
|
---|
| 2673 | * LWIP_IPV6_DHCP6==1: enable DHCPv6 stateful/stateless address autoconfiguration.
|
---|
| 2674 | */
|
---|
| 2675 | #if !defined LWIP_IPV6_DHCP6 || defined __DOXYGEN__
|
---|
| 2676 | #define LWIP_IPV6_DHCP6 0
|
---|
| 2677 | #endif
|
---|
| 2678 |
|
---|
| 2679 | /**
|
---|
| 2680 | * LWIP_IPV6_DHCP6_STATEFUL==1: enable DHCPv6 stateful address autoconfiguration.
|
---|
| 2681 | * (not supported, yet!)
|
---|
| 2682 | */
|
---|
| 2683 | #if !defined LWIP_IPV6_DHCP6_STATEFUL || defined __DOXYGEN__
|
---|
| 2684 | #define LWIP_IPV6_DHCP6_STATEFUL 0
|
---|
| 2685 | #endif
|
---|
| 2686 |
|
---|
| 2687 | /**
|
---|
| 2688 | * LWIP_IPV6_DHCP6_STATELESS==1: enable DHCPv6 stateless address autoconfiguration.
|
---|
| 2689 | */
|
---|
| 2690 | #if !defined LWIP_IPV6_DHCP6_STATELESS || defined __DOXYGEN__
|
---|
| 2691 | #define LWIP_IPV6_DHCP6_STATELESS LWIP_IPV6_DHCP6
|
---|
| 2692 | #endif
|
---|
| 2693 |
|
---|
| 2694 | /**
|
---|
| 2695 | * LWIP_DHCP6_GETS_NTP==1: Request NTP servers via DHCPv6. For each
|
---|
| 2696 | * response packet, a callback is called, which has to be provided by the port:
|
---|
| 2697 | * void dhcp6_set_ntp_servers(u8_t num_ntp_servers, ip_addr_t* ntp_server_addrs);
|
---|
| 2698 | */
|
---|
| 2699 | #if !defined LWIP_DHCP6_GET_NTP_SRV || defined __DOXYGEN__
|
---|
| 2700 | #define LWIP_DHCP6_GET_NTP_SRV 0
|
---|
| 2701 | #endif
|
---|
| 2702 |
|
---|
| 2703 | /**
|
---|
| 2704 | * The maximum of NTP servers requested
|
---|
| 2705 | */
|
---|
| 2706 | #if !defined LWIP_DHCP6_MAX_NTP_SERVERS || defined __DOXYGEN__
|
---|
| 2707 | #define LWIP_DHCP6_MAX_NTP_SERVERS 1
|
---|
| 2708 | #endif
|
---|
| 2709 |
|
---|
| 2710 | /**
|
---|
| 2711 | * LWIP_DHCP6_MAX_DNS_SERVERS > 0: Request DNS servers via DHCPv6.
|
---|
| 2712 | * DNS servers received in the response are passed to DNS via @ref dns_setserver()
|
---|
| 2713 | * (up to the maximum limit defined here).
|
---|
| 2714 | */
|
---|
| 2715 | #if !defined LWIP_DHCP6_MAX_DNS_SERVERS || defined __DOXYGEN__
|
---|
| 2716 | #define LWIP_DHCP6_MAX_DNS_SERVERS DNS_MAX_SERVERS
|
---|
| 2717 | #endif
|
---|
| 2718 | /**
|
---|
| 2719 | * @}
|
---|
| 2720 | */
|
---|
| 2721 |
|
---|
| 2722 | /*
|
---|
| 2723 | ---------------------------------------
|
---|
| 2724 | ---------- Hook options ---------------
|
---|
| 2725 | ---------------------------------------
|
---|
| 2726 | */
|
---|
| 2727 |
|
---|
| 2728 | /**
|
---|
| 2729 | * @defgroup lwip_opts_hooks Hooks
|
---|
| 2730 | * @ingroup lwip_opts_infrastructure
|
---|
| 2731 | * Hooks are undefined by default, define them to a function if you need them.
|
---|
| 2732 | * @{
|
---|
| 2733 | */
|
---|
| 2734 |
|
---|
| 2735 | /**
|
---|
| 2736 | * LWIP_HOOK_FILENAME: Custom filename to \#include in files that provide hooks.
|
---|
| 2737 | * Declare your hook function prototypes in there, you may also \#include all headers
|
---|
| 2738 | * providing data types that are need in this file.
|
---|
| 2739 | */
|
---|
| 2740 | #ifdef __DOXYGEN__
|
---|
| 2741 | #define LWIP_HOOK_FILENAME "path/to/my/lwip_hooks.h"
|
---|
| 2742 | #endif
|
---|
| 2743 |
|
---|
| 2744 | /**
|
---|
| 2745 | * LWIP_HOOK_TCP_ISN:
|
---|
| 2746 | * Hook for generation of the Initial Sequence Number (ISN) for a new TCP
|
---|
| 2747 | * connection. The default lwIP ISN generation algorithm is very basic and may
|
---|
| 2748 | * allow for TCP spoofing attacks. This hook provides the means to implement
|
---|
| 2749 | * the standardized ISN generation algorithm from RFC 6528 (see contrib/adons/tcp_isn),
|
---|
| 2750 | * or any other desired algorithm as a replacement.
|
---|
| 2751 | * Called from tcp_connect() and tcp_listen_input() when an ISN is needed for
|
---|
| 2752 | * a new TCP connection, if TCP support (@ref LWIP_TCP) is enabled.\n
|
---|
| 2753 | * Signature:\code{.c}
|
---|
| 2754 | * u32_t my_hook_tcp_isn(const ip_addr_t* local_ip, u16_t local_port, const ip_addr_t* remote_ip, u16_t remote_port);
|
---|
| 2755 | * \endcode
|
---|
| 2756 | * - it may be necessary to use "struct ip_addr" (ip4_addr, ip6_addr) instead of "ip_addr_t" in function declarations\n
|
---|
| 2757 | * Arguments:
|
---|
| 2758 | * - local_ip: pointer to the local IP address of the connection
|
---|
| 2759 | * - local_port: local port number of the connection (host-byte order)
|
---|
| 2760 | * - remote_ip: pointer to the remote IP address of the connection
|
---|
| 2761 | * - remote_port: remote port number of the connection (host-byte order)\n
|
---|
| 2762 | * Return value:
|
---|
| 2763 | * - the 32-bit Initial Sequence Number to use for the new TCP connection.
|
---|
| 2764 | */
|
---|
| 2765 | #ifdef __DOXYGEN__
|
---|
| 2766 | #define LWIP_HOOK_TCP_ISN(local_ip, local_port, remote_ip, remote_port)
|
---|
| 2767 | #endif
|
---|
| 2768 |
|
---|
| 2769 | /**
|
---|
| 2770 | * LWIP_HOOK_TCP_INPACKET_PCB:
|
---|
| 2771 | * Hook for intercepting incoming packets before they are passed to a pcb. This
|
---|
| 2772 | * allows updating some state or even dropping a packet.
|
---|
| 2773 | * Signature:\code{.c}
|
---|
| 2774 | * err_t my_hook_tcp_inpkt(struct tcp_pcb *pcb, struct tcp_hdr *hdr, u16_t optlen, u16_t opt1len, u8_t *opt2, struct pbuf *p);
|
---|
| 2775 | * \endcode
|
---|
| 2776 | * Arguments:
|
---|
| 2777 | * - pcb: tcp_pcb selected for input of this packet (ATTENTION: this may be
|
---|
| 2778 | * struct tcp_pcb_listen if pcb->state == LISTEN)
|
---|
| 2779 | * - hdr: pointer to tcp header (ATTENTION: tcp options may not be in one piece!)
|
---|
| 2780 | * - optlen: tcp option length
|
---|
| 2781 | * - opt1len: tcp option length 1st part
|
---|
| 2782 | * - opt2: if this is != NULL, tcp options are split among 2 pbufs. In that case,
|
---|
| 2783 | * options start at right after the tcp header ('(u8_t*)(hdr + 1)') for
|
---|
| 2784 | * the first 'opt1len' bytes and the rest starts at 'opt2'. opt2len can
|
---|
| 2785 | * be simply calculated: 'opt2len = optlen - opt1len;'
|
---|
| 2786 | * - p: input packet, p->payload points to application data (that's why tcp hdr
|
---|
| 2787 | * and options are passed in seperately)
|
---|
| 2788 | * Return value:
|
---|
| 2789 | * - ERR_OK: continue input of this packet as normal
|
---|
| 2790 | * - != ERR_OK: drop this packet for input (don't continue input processing)
|
---|
| 2791 | *
|
---|
| 2792 | * ATTENTION: don't call any tcp api functions that might change tcp state (pcb
|
---|
| 2793 | * state or any pcb lists) from this callback!
|
---|
| 2794 | */
|
---|
| 2795 | #ifdef __DOXYGEN__
|
---|
| 2796 | #define LWIP_HOOK_TCP_INPACKET_PCB(pcb, hdr, optlen, opt1len, opt2, p)
|
---|
| 2797 | #endif
|
---|
| 2798 |
|
---|
| 2799 | /**
|
---|
| 2800 | * LWIP_HOOK_TCP_OUT_TCPOPT_LENGTH:
|
---|
| 2801 | * Hook for increasing the size of the options allocated with a tcp header.
|
---|
| 2802 | * Together with LWIP_HOOK_TCP_OUT_ADD_TCPOPTS, this can be used to add custom
|
---|
| 2803 | * options to outgoing tcp segments.
|
---|
| 2804 | * Signature:\code{.c}
|
---|
| 2805 | * u8_t my_hook_tcp_out_tcpopt_length(const struct tcp_pcb *pcb, u8_t internal_option_length);
|
---|
| 2806 | * \endcode
|
---|
| 2807 | * Arguments:
|
---|
| 2808 | * - pcb: tcp_pcb that transmits (ATTENTION: this may be NULL or
|
---|
| 2809 | * struct tcp_pcb_listen if pcb->state == LISTEN)
|
---|
| 2810 | * - internal_option_length: tcp option length used by the stack internally
|
---|
| 2811 | * Return value:
|
---|
| 2812 | * - a number of bytes to allocate for tcp options (internal_option_length <= ret <= 40)
|
---|
| 2813 | *
|
---|
| 2814 | * ATTENTION: don't call any tcp api functions that might change tcp state (pcb
|
---|
| 2815 | * state or any pcb lists) from this callback!
|
---|
| 2816 | */
|
---|
| 2817 | #ifdef __DOXYGEN__
|
---|
| 2818 | #define LWIP_HOOK_TCP_OUT_TCPOPT_LENGTH(pcb, internal_len)
|
---|
| 2819 | #endif
|
---|
| 2820 |
|
---|
| 2821 | /**
|
---|
| 2822 | * LWIP_HOOK_TCP_OUT_ADD_TCPOPTS:
|
---|
| 2823 | * Hook for adding custom options to outgoing tcp segments.
|
---|
| 2824 | * Space for these custom options has to be reserved via LWIP_HOOK_TCP_OUT_TCPOPT_LENGTH.
|
---|
| 2825 | * Signature:\code{.c}
|
---|
| 2826 | * u32_t *my_hook_tcp_out_add_tcpopts(struct pbuf *p, struct tcp_hdr *hdr, const struct tcp_pcb *pcb, u32_t *opts);
|
---|
| 2827 | * \endcode
|
---|
| 2828 | * Arguments:
|
---|
| 2829 | * - p: output packet, p->payload pointing to tcp header, data follows
|
---|
| 2830 | * - hdr: tcp header
|
---|
| 2831 | * - pcb: tcp_pcb that transmits (ATTENTION: this may be NULL or
|
---|
| 2832 | * struct tcp_pcb_listen if pcb->state == LISTEN)
|
---|
| 2833 | * - opts: pointer where to add the custom options (there may already be options
|
---|
| 2834 | * between the header and these)
|
---|
| 2835 | * Return value:
|
---|
| 2836 | * - pointer pointing directly after the inserted options
|
---|
| 2837 | *
|
---|
| 2838 | * ATTENTION: don't call any tcp api functions that might change tcp state (pcb
|
---|
| 2839 | * state or any pcb lists) from this callback!
|
---|
| 2840 | */
|
---|
| 2841 | #ifdef __DOXYGEN__
|
---|
| 2842 | #define LWIP_HOOK_TCP_OUT_ADD_TCPOPTS(p, hdr, pcb, opts)
|
---|
| 2843 | #endif
|
---|
| 2844 |
|
---|
| 2845 | /**
|
---|
| 2846 | * LWIP_HOOK_IP4_INPUT(pbuf, input_netif):
|
---|
| 2847 | * Called from ip_input() (IPv4)
|
---|
| 2848 | * Signature:\code{.c}
|
---|
| 2849 | * int my_hook(struct pbuf *pbuf, struct netif *input_netif);
|
---|
| 2850 | * \endcode
|
---|
| 2851 | * Arguments:
|
---|
| 2852 | * - pbuf: received struct pbuf passed to ip_input()
|
---|
| 2853 | * - input_netif: struct netif on which the packet has been received
|
---|
| 2854 | * Return values:
|
---|
| 2855 | * - 0: Hook has not consumed the packet, packet is processed as normal
|
---|
| 2856 | * - != 0: Hook has consumed the packet.
|
---|
| 2857 | * If the hook consumed the packet, 'pbuf' is in the responsibility of the hook
|
---|
| 2858 | * (i.e. free it when done).
|
---|
| 2859 | */
|
---|
| 2860 | #ifdef __DOXYGEN__
|
---|
| 2861 | #define LWIP_HOOK_IP4_INPUT(pbuf, input_netif)
|
---|
| 2862 | #endif
|
---|
| 2863 |
|
---|
| 2864 | /**
|
---|
| 2865 | * LWIP_HOOK_IP4_ROUTE(dest):
|
---|
| 2866 | * Called from ip_route() (IPv4)
|
---|
| 2867 | * Signature:\code{.c}
|
---|
| 2868 | * struct netif *my_hook(const ip4_addr_t *dest);
|
---|
| 2869 | * \endcode
|
---|
| 2870 | * Arguments:
|
---|
| 2871 | * - dest: destination IPv4 address
|
---|
| 2872 | * Returns values:
|
---|
| 2873 | * - the destination netif
|
---|
| 2874 | * - NULL if no destination netif is found. In that case, ip_route() continues as normal.
|
---|
| 2875 | */
|
---|
| 2876 | #ifdef __DOXYGEN__
|
---|
| 2877 | #define LWIP_HOOK_IP4_ROUTE()
|
---|
| 2878 | #endif
|
---|
| 2879 |
|
---|
| 2880 | /**
|
---|
| 2881 | * LWIP_HOOK_IP4_ROUTE_SRC(src, dest):
|
---|
| 2882 | * Source-based routing for IPv4 - called from ip_route() (IPv4)
|
---|
| 2883 | * Signature:\code{.c}
|
---|
| 2884 | * struct netif *my_hook(const ip4_addr_t *src, const ip4_addr_t *dest);
|
---|
| 2885 | * \endcode
|
---|
| 2886 | * Arguments:
|
---|
| 2887 | * - src: local/source IPv4 address
|
---|
| 2888 | * - dest: destination IPv4 address
|
---|
| 2889 | * Returns values:
|
---|
| 2890 | * - the destination netif
|
---|
| 2891 | * - NULL if no destination netif is found. In that case, ip_route() continues as normal.
|
---|
| 2892 | */
|
---|
| 2893 | #ifdef __DOXYGEN__
|
---|
| 2894 | #define LWIP_HOOK_IP4_ROUTE_SRC(src, dest)
|
---|
| 2895 | #endif
|
---|
| 2896 |
|
---|
| 2897 | /**
|
---|
| 2898 | * LWIP_HOOK_IP4_CANFORWARD(src, dest):
|
---|
| 2899 | * Check if an IPv4 can be forwarded - called from:
|
---|
| 2900 | * ip4_input() -> ip4_forward() -> ip4_canforward() (IPv4)
|
---|
| 2901 | * - source address is available via ip4_current_src_addr()
|
---|
| 2902 | * - calling an output function in this context (e.g. multicast router) is allowed
|
---|
| 2903 | * Signature:\code{.c}
|
---|
| 2904 | * int my_hook(struct pbuf *p, u32_t dest_addr_hostorder);
|
---|
| 2905 | * \endcode
|
---|
| 2906 | * Arguments:
|
---|
| 2907 | * - p: packet to forward
|
---|
| 2908 | * - dest: destination IPv4 address
|
---|
| 2909 | * Returns values:
|
---|
| 2910 | * - 1: forward
|
---|
| 2911 | * - 0: don't forward
|
---|
| 2912 | * - -1: no decision. In that case, ip4_canforward() continues as normal.
|
---|
| 2913 | */
|
---|
| 2914 | #ifdef __DOXYGEN__
|
---|
| 2915 | #define LWIP_HOOK_IP4_CANFORWARD(src, dest)
|
---|
| 2916 | #endif
|
---|
| 2917 |
|
---|
| 2918 | /**
|
---|
| 2919 | * LWIP_HOOK_ETHARP_GET_GW(netif, dest):
|
---|
| 2920 | * Called from etharp_output() (IPv4)
|
---|
| 2921 | * Signature:\code{.c}
|
---|
| 2922 | * const ip4_addr_t *my_hook(struct netif *netif, const ip4_addr_t *dest);
|
---|
| 2923 | * \endcode
|
---|
| 2924 | * Arguments:
|
---|
| 2925 | * - netif: the netif used for sending
|
---|
| 2926 | * - dest: the destination IPv4 address
|
---|
| 2927 | * Return values:
|
---|
| 2928 | * - the IPv4 address of the gateway to handle the specified destination IPv4 address
|
---|
| 2929 | * - NULL, in which case the netif's default gateway is used
|
---|
| 2930 | *
|
---|
| 2931 | * The returned address MUST be directly reachable on the specified netif!
|
---|
| 2932 | * This function is meant to implement advanced IPv4 routing together with
|
---|
| 2933 | * LWIP_HOOK_IP4_ROUTE(). The actual routing/gateway table implementation is
|
---|
| 2934 | * not part of lwIP but can e.g. be hidden in the netif's state argument.
|
---|
| 2935 | */
|
---|
| 2936 | #ifdef __DOXYGEN__
|
---|
| 2937 | #define LWIP_HOOK_ETHARP_GET_GW(netif, dest)
|
---|
| 2938 | #endif
|
---|
| 2939 |
|
---|
| 2940 | /**
|
---|
| 2941 | * LWIP_HOOK_IP6_INPUT(pbuf, input_netif):
|
---|
| 2942 | * Called from ip6_input() (IPv6)
|
---|
| 2943 | * Signature:\code{.c}
|
---|
| 2944 | * int my_hook(struct pbuf *pbuf, struct netif *input_netif);
|
---|
| 2945 | * \endcode
|
---|
| 2946 | * Arguments:
|
---|
| 2947 | * - pbuf: received struct pbuf passed to ip6_input()
|
---|
| 2948 | * - input_netif: struct netif on which the packet has been received
|
---|
| 2949 | * Return values:
|
---|
| 2950 | * - 0: Hook has not consumed the packet, packet is processed as normal
|
---|
| 2951 | * - != 0: Hook has consumed the packet.
|
---|
| 2952 | * If the hook consumed the packet, 'pbuf' is in the responsibility of the hook
|
---|
| 2953 | * (i.e. free it when done).
|
---|
| 2954 | */
|
---|
| 2955 | #ifdef __DOXYGEN__
|
---|
| 2956 | #define LWIP_HOOK_IP6_INPUT(pbuf, input_netif)
|
---|
| 2957 | #endif
|
---|
| 2958 |
|
---|
| 2959 | /**
|
---|
| 2960 | * LWIP_HOOK_IP6_ROUTE(src, dest):
|
---|
| 2961 | * Called from ip_route() (IPv6)
|
---|
| 2962 | * Signature:\code{.c}
|
---|
| 2963 | * struct netif *my_hook(const ip6_addr_t *dest, const ip6_addr_t *src);
|
---|
| 2964 | * \endcode
|
---|
| 2965 | * Arguments:
|
---|
| 2966 | * - src: source IPv6 address
|
---|
| 2967 | * - dest: destination IPv6 address
|
---|
| 2968 | * Return values:
|
---|
| 2969 | * - the destination netif
|
---|
| 2970 | * - NULL if no destination netif is found. In that case, ip6_route() continues as normal.
|
---|
| 2971 | */
|
---|
| 2972 | #ifdef __DOXYGEN__
|
---|
| 2973 | #define LWIP_HOOK_IP6_ROUTE(src, dest)
|
---|
| 2974 | #endif
|
---|
| 2975 |
|
---|
| 2976 | /**
|
---|
| 2977 | * LWIP_HOOK_ND6_GET_GW(netif, dest):
|
---|
| 2978 | * Called from nd6_get_next_hop_entry() (IPv6)
|
---|
| 2979 | * Signature:\code{.c}
|
---|
| 2980 | * const ip6_addr_t *my_hook(struct netif *netif, const ip6_addr_t *dest);
|
---|
| 2981 | * \endcode
|
---|
| 2982 | * Arguments:
|
---|
| 2983 | * - netif: the netif used for sending
|
---|
| 2984 | * - dest: the destination IPv6 address
|
---|
| 2985 | * Return values:
|
---|
| 2986 | * - the IPv6 address of the next hop to handle the specified destination IPv6 address
|
---|
| 2987 | * - NULL, in which case a NDP-discovered router is used instead
|
---|
| 2988 | *
|
---|
| 2989 | * The returned address MUST be directly reachable on the specified netif!
|
---|
| 2990 | * This function is meant to implement advanced IPv6 routing together with
|
---|
| 2991 | * LWIP_HOOK_IP6_ROUTE(). The actual routing/gateway table implementation is
|
---|
| 2992 | * not part of lwIP but can e.g. be hidden in the netif's state argument.
|
---|
| 2993 | */
|
---|
| 2994 | #ifdef __DOXYGEN__
|
---|
| 2995 | #define LWIP_HOOK_ND6_GET_GW(netif, dest)
|
---|
| 2996 | #endif
|
---|
| 2997 |
|
---|
| 2998 | /**
|
---|
| 2999 | * LWIP_HOOK_VLAN_CHECK(netif, eth_hdr, vlan_hdr):
|
---|
| 3000 | * Called from ethernet_input() if VLAN support is enabled
|
---|
| 3001 | * Signature:\code{.c}
|
---|
| 3002 | * int my_hook(struct netif *netif, struct eth_hdr *eth_hdr, struct eth_vlan_hdr *vlan_hdr);
|
---|
| 3003 | * \endcode
|
---|
| 3004 | * Arguments:
|
---|
| 3005 | * - netif: struct netif on which the packet has been received
|
---|
| 3006 | * - eth_hdr: struct eth_hdr of the packet
|
---|
| 3007 | * - vlan_hdr: struct eth_vlan_hdr of the packet
|
---|
| 3008 | * Return values:
|
---|
| 3009 | * - 0: Packet must be dropped.
|
---|
| 3010 | * - != 0: Packet must be accepted.
|
---|
| 3011 | */
|
---|
| 3012 | #ifdef __DOXYGEN__
|
---|
| 3013 | #define LWIP_HOOK_VLAN_CHECK(netif, eth_hdr, vlan_hdr)
|
---|
| 3014 | #endif
|
---|
| 3015 |
|
---|
| 3016 | /**
|
---|
| 3017 | * LWIP_HOOK_VLAN_SET:
|
---|
| 3018 | * Hook can be used to set prio_vid field of vlan_hdr. If you need to store data
|
---|
| 3019 | * on per-netif basis to implement this callback, see @ref netif_cd.
|
---|
| 3020 | * Called from ethernet_output() if VLAN support (@ref ETHARP_SUPPORT_VLAN) is enabled.\n
|
---|
| 3021 | * Signature:\code{.c}
|
---|
| 3022 | * s32_t my_hook_vlan_set(struct netif* netif, struct pbuf* pbuf, const struct eth_addr* src, const struct eth_addr* dst, u16_t eth_type);\n
|
---|
| 3023 | * \endcode
|
---|
| 3024 | * Arguments:
|
---|
| 3025 | * - netif: struct netif that the packet will be sent through
|
---|
| 3026 | * - p: struct pbuf packet to be sent
|
---|
| 3027 | * - src: source eth address
|
---|
| 3028 | * - dst: destination eth address
|
---|
| 3029 | * - eth_type: ethernet type to packet to be sent\n
|
---|
| 3030 | *
|
---|
| 3031 | *
|
---|
| 3032 | * Return values:
|
---|
| 3033 | * - <0: Packet shall not contain VLAN header.
|
---|
| 3034 | * - 0 <= return value <= 0xFFFF: Packet shall contain VLAN header. Return value is prio_vid in host byte order.
|
---|
| 3035 | */
|
---|
| 3036 | #ifdef __DOXYGEN__
|
---|
| 3037 | #define LWIP_HOOK_VLAN_SET(netif, p, src, dst, eth_type)
|
---|
| 3038 | #endif
|
---|
| 3039 |
|
---|
| 3040 | /**
|
---|
| 3041 | * LWIP_HOOK_MEMP_AVAILABLE(memp_t_type):
|
---|
| 3042 | * Called from memp_free() when a memp pool was empty and an item is now available
|
---|
| 3043 | * Signature:\code{.c}
|
---|
| 3044 | * void my_hook(memp_t type);
|
---|
| 3045 | * \endcode
|
---|
| 3046 | */
|
---|
| 3047 | #ifdef __DOXYGEN__
|
---|
| 3048 | #define LWIP_HOOK_MEMP_AVAILABLE(memp_t_type)
|
---|
| 3049 | #endif
|
---|
| 3050 |
|
---|
| 3051 | /**
|
---|
| 3052 | * LWIP_HOOK_UNKNOWN_ETH_PROTOCOL(pbuf, netif):
|
---|
| 3053 | * Called from ethernet_input() when an unknown eth type is encountered.
|
---|
| 3054 | * Signature:\code{.c}
|
---|
| 3055 | * err_t my_hook(struct pbuf* pbuf, struct netif* netif);
|
---|
| 3056 | * \endcode
|
---|
| 3057 | * Arguments:
|
---|
| 3058 | * - p: rx packet with unknown eth type
|
---|
| 3059 | * - netif: netif on which the packet has been received
|
---|
| 3060 | * Return values:
|
---|
| 3061 | * - ERR_OK if packet is accepted (hook function now owns the pbuf)
|
---|
| 3062 | * - any error code otherwise (pbuf is freed)
|
---|
| 3063 | *
|
---|
| 3064 | * Payload points to ethernet header!
|
---|
| 3065 | */
|
---|
| 3066 | #ifdef __DOXYGEN__
|
---|
| 3067 | #define LWIP_HOOK_UNKNOWN_ETH_PROTOCOL(pbuf, netif)
|
---|
| 3068 | #endif
|
---|
| 3069 |
|
---|
| 3070 | /**
|
---|
| 3071 | * LWIP_HOOK_DHCP_APPEND_OPTIONS(netif, dhcp, state, msg, msg_type, options_len_ptr):
|
---|
| 3072 | * Called from various dhcp functions when sending a DHCP message.
|
---|
| 3073 | * This hook is called just before the DHCP message trailer is added, so the
|
---|
| 3074 | * options are at the end of a DHCP message.
|
---|
| 3075 | * Signature:\code{.c}
|
---|
| 3076 | * void my_hook(struct netif *netif, struct dhcp *dhcp, u8_t state, struct dhcp_msg *msg,
|
---|
| 3077 | * u8_t msg_type, u16_t *options_len_ptr);
|
---|
| 3078 | * \endcode
|
---|
| 3079 | * Arguments:
|
---|
| 3080 | * - netif: struct netif that the packet will be sent through
|
---|
| 3081 | * - dhcp: struct dhcp on that netif
|
---|
| 3082 | * - state: current dhcp state (dhcp_state_enum_t as an u8_t)
|
---|
| 3083 | * - msg: struct dhcp_msg that will be sent
|
---|
| 3084 | * - msg_type: dhcp message type to be sent (u8_t)
|
---|
| 3085 | * - options_len_ptr: pointer to the current length of options in the dhcp_msg "msg"
|
---|
| 3086 | * (must be increased when options are added!)
|
---|
| 3087 | *
|
---|
| 3088 | * Options need to appended like this:
|
---|
| 3089 | * LWIP_ASSERT("dhcp option overflow", *options_len_ptr + option_len + 2 <= DHCP_OPTIONS_LEN);
|
---|
| 3090 | * msg->options[(*options_len_ptr)++] = <option_number>;
|
---|
| 3091 | * msg->options[(*options_len_ptr)++] = <option_len>;
|
---|
| 3092 | * msg->options[(*options_len_ptr)++] = <option_bytes>;
|
---|
| 3093 | * [...]
|
---|
| 3094 | */
|
---|
| 3095 | #ifdef __DOXYGEN__
|
---|
| 3096 | #define LWIP_HOOK_DHCP_APPEND_OPTIONS(netif, dhcp, state, msg, msg_type, options_len_ptr)
|
---|
| 3097 | #endif
|
---|
| 3098 |
|
---|
| 3099 | /**
|
---|
| 3100 | * LWIP_HOOK_DHCP_PARSE_OPTION(netif, dhcp, state, msg, msg_type, option, len, pbuf, option_value_offset):
|
---|
| 3101 | * Called from dhcp_parse_reply when receiving a DHCP message.
|
---|
| 3102 | * This hook is called for every option in the received message that is not handled internally.
|
---|
| 3103 | * Signature:\code{.c}
|
---|
| 3104 | * void my_hook(struct netif *netif, struct dhcp *dhcp, u8_t state, struct dhcp_msg *msg,
|
---|
| 3105 | * u8_t msg_type, u8_t option, u8_t option_len, struct pbuf *pbuf, u16_t option_value_offset);
|
---|
| 3106 | * \endcode
|
---|
| 3107 | * Arguments:
|
---|
| 3108 | * - netif: struct netif that the packet will be sent through
|
---|
| 3109 | * - dhcp: struct dhcp on that netif
|
---|
| 3110 | * - state: current dhcp state (dhcp_state_enum_t as an u8_t)
|
---|
| 3111 | * - msg: struct dhcp_msg that was received
|
---|
| 3112 | * - msg_type: dhcp message type received (u8_t, ATTENTION: only valid after
|
---|
| 3113 | * the message type option has been parsed!)
|
---|
| 3114 | * - option: option value (u8_t)
|
---|
| 3115 | * - len: option data length (u8_t)
|
---|
| 3116 | * - pbuf: pbuf where option data is contained
|
---|
| 3117 | * - option_value_offset: offset in pbuf where option data begins
|
---|
| 3118 | *
|
---|
| 3119 | * A nice way to get the option contents is pbuf_get_contiguous():
|
---|
| 3120 | * u8_t buf[32];
|
---|
| 3121 | * u8_t *ptr = (u8_t*)pbuf_get_contiguous(p, buf, sizeof(buf), LWIP_MIN(option_len, sizeof(buf)), offset);
|
---|
| 3122 | */
|
---|
| 3123 | #ifdef __DOXYGEN__
|
---|
| 3124 | #define LWIP_HOOK_DHCP_PARSE_OPTION(netif, dhcp, state, msg, msg_type, option, len, pbuf, offset)
|
---|
| 3125 | #endif
|
---|
| 3126 |
|
---|
| 3127 | /**
|
---|
| 3128 | * LWIP_HOOK_DHCP6_APPEND_OPTIONS(netif, dhcp6, state, msg, msg_type, options_len_ptr, max_len):
|
---|
| 3129 | * Called from various dhcp6 functions when sending a DHCP6 message.
|
---|
| 3130 | * This hook is called just before the DHCP6 message is sent, so the
|
---|
| 3131 | * options are at the end of a DHCP6 message.
|
---|
| 3132 | * Signature:\code{.c}
|
---|
| 3133 | * void my_hook(struct netif *netif, struct dhcp6 *dhcp, u8_t state, struct dhcp6_msg *msg,
|
---|
| 3134 | * u8_t msg_type, u16_t *options_len_ptr);
|
---|
| 3135 | * \endcode
|
---|
| 3136 | * Arguments:
|
---|
| 3137 | * - netif: struct netif that the packet will be sent through
|
---|
| 3138 | * - dhcp6: struct dhcp6 on that netif
|
---|
| 3139 | * - state: current dhcp6 state (dhcp6_state_enum_t as an u8_t)
|
---|
| 3140 | * - msg: struct dhcp6_msg that will be sent
|
---|
| 3141 | * - msg_type: dhcp6 message type to be sent (u8_t)
|
---|
| 3142 | * - options_len_ptr: pointer to the current length of options in the dhcp6_msg "msg"
|
---|
| 3143 | * (must be increased when options are added!)
|
---|
| 3144 | *
|
---|
| 3145 | * Options need to appended like this:
|
---|
| 3146 | * u8_t *options = (u8_t *)(msg + 1);
|
---|
| 3147 | * LWIP_ASSERT("dhcp option overflow", sizeof(struct dhcp6_msg) + *options_len_ptr + newoptlen <= max_len);
|
---|
| 3148 | * options[(*options_len_ptr)++] = <option_data>;
|
---|
| 3149 | * [...]
|
---|
| 3150 | */
|
---|
| 3151 | #ifdef __DOXYGEN__
|
---|
| 3152 | #define LWIP_HOOK_DHCP6_APPEND_OPTIONS(netif, dhcp6, state, msg, msg_type, options_len_ptr, max_len)
|
---|
| 3153 | #endif
|
---|
| 3154 |
|
---|
| 3155 | /**
|
---|
| 3156 | * LWIP_HOOK_SOCKETS_SETSOCKOPT(s, sock, level, optname, optval, optlen, err)
|
---|
| 3157 | * Called from socket API to implement setsockopt() for options not provided by lwIP.
|
---|
| 3158 | * Core lock is held when this hook is called.
|
---|
| 3159 | * Signature:\code{.c}
|
---|
| 3160 | * int my_hook(int s, struct lwip_sock *sock, int level, int optname, const void *optval, socklen_t optlen, int *err)
|
---|
| 3161 | * \endcode
|
---|
| 3162 | * Arguments:
|
---|
| 3163 | * - s: socket file descriptor
|
---|
| 3164 | * - sock: internal socket descriptor (see lwip/priv/sockets_priv.h)
|
---|
| 3165 | * - level: protocol level at which the option resides
|
---|
| 3166 | * - optname: option to set
|
---|
| 3167 | * - optval: value to set
|
---|
| 3168 | * - optlen: size of optval
|
---|
| 3169 | * - err: output error
|
---|
| 3170 | * Return values:
|
---|
| 3171 | * - 0: Hook has not consumed the option, code continues as normal (to internal options)
|
---|
| 3172 | * - != 0: Hook has consumed the option, 'err' is returned
|
---|
| 3173 | */
|
---|
| 3174 | #ifdef __DOXYGEN__
|
---|
| 3175 | #define LWIP_HOOK_SOCKETS_SETSOCKOPT(s, sock, level, optname, optval, optlen, err)
|
---|
| 3176 | #endif
|
---|
| 3177 |
|
---|
| 3178 | /**
|
---|
| 3179 | * LWIP_HOOK_SOCKETS_GETSOCKOPT(s, sock, level, optname, optval, optlen, err)
|
---|
| 3180 | * Called from socket API to implement getsockopt() for options not provided by lwIP.
|
---|
| 3181 | * Core lock is held when this hook is called.
|
---|
| 3182 | * Signature:\code{.c}
|
---|
| 3183 | * int my_hook(int s, struct lwip_sock *sock, int level, int optname, void *optval, socklen_t *optlen, int *err)
|
---|
| 3184 | * \endcode
|
---|
| 3185 | * Arguments:
|
---|
| 3186 | * - s: socket file descriptor
|
---|
| 3187 | * - sock: internal socket descriptor (see lwip/priv/sockets_priv.h)
|
---|
| 3188 | * - level: protocol level at which the option resides
|
---|
| 3189 | * - optname: option to get
|
---|
| 3190 | * - optval: value to get
|
---|
| 3191 | * - optlen: size of optval
|
---|
| 3192 | * - err: output error
|
---|
| 3193 | * Return values:
|
---|
| 3194 | * - 0: Hook has not consumed the option, code continues as normal (to internal options)
|
---|
| 3195 | * - != 0: Hook has consumed the option, 'err' is returned
|
---|
| 3196 | */
|
---|
| 3197 | #ifdef __DOXYGEN__
|
---|
| 3198 | #define LWIP_HOOK_SOCKETS_GETSOCKOPT(s, sock, level, optname, optval, optlen, err)
|
---|
| 3199 | #endif
|
---|
| 3200 |
|
---|
| 3201 | /**
|
---|
| 3202 | * LWIP_HOOK_NETCONN_EXTERNAL_RESOLVE(name, addr, addrtype, err)
|
---|
| 3203 | * Called from netconn APIs (not usable with callback apps) allowing an
|
---|
| 3204 | * external DNS resolver (which uses sequential API) to handle the query.
|
---|
| 3205 | * Signature:\code{.c}
|
---|
| 3206 | * int my_hook(const char *name, ip_addr_t *addr, u8_t addrtype, err_t *err)
|
---|
| 3207 | * \endcode
|
---|
| 3208 | * Arguments:
|
---|
| 3209 | * - name: hostname to resolve
|
---|
| 3210 | * - addr: output host address
|
---|
| 3211 | * - addrtype: type of address to query
|
---|
| 3212 | * - err: output error
|
---|
| 3213 | * Return values:
|
---|
| 3214 | * - 0: Hook has not consumed hostname query, query continues into DNS module
|
---|
| 3215 | * - != 0: Hook has consumed the query
|
---|
| 3216 | *
|
---|
| 3217 | * err must also be checked to determine if the hook consumed the query, but
|
---|
| 3218 | * the query failed
|
---|
| 3219 | */
|
---|
| 3220 | #ifdef __DOXYGEN__
|
---|
| 3221 | #define LWIP_HOOK_NETCONN_EXTERNAL_RESOLVE(name, addr, addrtype, err)
|
---|
| 3222 | #endif
|
---|
| 3223 | /**
|
---|
| 3224 | * @}
|
---|
| 3225 | */
|
---|
| 3226 |
|
---|
| 3227 | /*
|
---|
| 3228 | ---------------------------------------
|
---|
| 3229 | ---------- Debugging options ----------
|
---|
| 3230 | ---------------------------------------
|
---|
| 3231 | */
|
---|
| 3232 | /**
|
---|
| 3233 | * @defgroup lwip_opts_debugmsg Debug messages
|
---|
| 3234 | * @ingroup lwip_opts_debug
|
---|
| 3235 | * @{
|
---|
| 3236 | */
|
---|
| 3237 | /**
|
---|
| 3238 | * LWIP_DBG_MIN_LEVEL: After masking, the value of the debug is
|
---|
| 3239 | * compared against this value. If it is smaller, then debugging
|
---|
| 3240 | * messages are written.
|
---|
| 3241 | * @see debugging_levels
|
---|
| 3242 | */
|
---|
| 3243 | #if !defined LWIP_DBG_MIN_LEVEL || defined __DOXYGEN__
|
---|
| 3244 | #define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_ALL
|
---|
| 3245 | #endif
|
---|
| 3246 |
|
---|
| 3247 | /**
|
---|
| 3248 | * LWIP_DBG_TYPES_ON: A mask that can be used to globally enable/disable
|
---|
| 3249 | * debug messages of certain types.
|
---|
| 3250 | * @see debugging_levels
|
---|
| 3251 | */
|
---|
| 3252 | #if !defined LWIP_DBG_TYPES_ON || defined __DOXYGEN__
|
---|
| 3253 | #define LWIP_DBG_TYPES_ON LWIP_DBG_ON
|
---|
| 3254 | #endif
|
---|
| 3255 |
|
---|
| 3256 | /**
|
---|
| 3257 | * ETHARP_DEBUG: Enable debugging in etharp.c.
|
---|
| 3258 | */
|
---|
| 3259 | #if !defined ETHARP_DEBUG || defined __DOXYGEN__
|
---|
| 3260 | #define ETHARP_DEBUG LWIP_DBG_OFF
|
---|
| 3261 | #endif
|
---|
| 3262 |
|
---|
| 3263 | /**
|
---|
| 3264 | * NETIF_DEBUG: Enable debugging in netif.c.
|
---|
| 3265 | */
|
---|
| 3266 | #if !defined NETIF_DEBUG || defined __DOXYGEN__
|
---|
| 3267 | #define NETIF_DEBUG LWIP_DBG_OFF
|
---|
| 3268 | #endif
|
---|
| 3269 |
|
---|
| 3270 | /**
|
---|
| 3271 | * PBUF_DEBUG: Enable debugging in pbuf.c.
|
---|
| 3272 | */
|
---|
| 3273 | #if !defined PBUF_DEBUG || defined __DOXYGEN__
|
---|
| 3274 | #define PBUF_DEBUG LWIP_DBG_OFF
|
---|
| 3275 | #endif
|
---|
| 3276 |
|
---|
| 3277 | /**
|
---|
| 3278 | * API_LIB_DEBUG: Enable debugging in api_lib.c.
|
---|
| 3279 | */
|
---|
| 3280 | #if !defined API_LIB_DEBUG || defined __DOXYGEN__
|
---|
| 3281 | #define API_LIB_DEBUG LWIP_DBG_OFF
|
---|
| 3282 | #endif
|
---|
| 3283 |
|
---|
| 3284 | /**
|
---|
| 3285 | * API_MSG_DEBUG: Enable debugging in api_msg.c.
|
---|
| 3286 | */
|
---|
| 3287 | #if !defined API_MSG_DEBUG || defined __DOXYGEN__
|
---|
| 3288 | #define API_MSG_DEBUG LWIP_DBG_OFF
|
---|
| 3289 | #endif
|
---|
| 3290 |
|
---|
| 3291 | /**
|
---|
| 3292 | * SOCKETS_DEBUG: Enable debugging in sockets.c.
|
---|
| 3293 | */
|
---|
| 3294 | #if !defined SOCKETS_DEBUG || defined __DOXYGEN__
|
---|
| 3295 | #define SOCKETS_DEBUG LWIP_DBG_OFF
|
---|
| 3296 | #endif
|
---|
| 3297 |
|
---|
| 3298 | /**
|
---|
| 3299 | * ICMP_DEBUG: Enable debugging in icmp.c.
|
---|
| 3300 | */
|
---|
| 3301 | #if !defined ICMP_DEBUG || defined __DOXYGEN__
|
---|
| 3302 | #define ICMP_DEBUG LWIP_DBG_OFF
|
---|
| 3303 | #endif
|
---|
| 3304 |
|
---|
| 3305 | /**
|
---|
| 3306 | * IGMP_DEBUG: Enable debugging in igmp.c.
|
---|
| 3307 | */
|
---|
| 3308 | #if !defined IGMP_DEBUG || defined __DOXYGEN__
|
---|
| 3309 | #define IGMP_DEBUG LWIP_DBG_OFF
|
---|
| 3310 | #endif
|
---|
| 3311 |
|
---|
| 3312 | /**
|
---|
| 3313 | * INET_DEBUG: Enable debugging in inet.c.
|
---|
| 3314 | */
|
---|
| 3315 | #if !defined INET_DEBUG || defined __DOXYGEN__
|
---|
| 3316 | #define INET_DEBUG LWIP_DBG_OFF
|
---|
| 3317 | #endif
|
---|
| 3318 |
|
---|
| 3319 | /**
|
---|
| 3320 | * IP_DEBUG: Enable debugging for IP.
|
---|
| 3321 | */
|
---|
| 3322 | #if !defined IP_DEBUG || defined __DOXYGEN__
|
---|
| 3323 | #define IP_DEBUG LWIP_DBG_OFF
|
---|
| 3324 | #endif
|
---|
| 3325 |
|
---|
| 3326 | /**
|
---|
| 3327 | * IP_REASS_DEBUG: Enable debugging in ip_frag.c for both frag & reass.
|
---|
| 3328 | */
|
---|
| 3329 | #if !defined IP_REASS_DEBUG || defined __DOXYGEN__
|
---|
| 3330 | #define IP_REASS_DEBUG LWIP_DBG_OFF
|
---|
| 3331 | #endif
|
---|
| 3332 |
|
---|
| 3333 | /**
|
---|
| 3334 | * RAW_DEBUG: Enable debugging in raw.c.
|
---|
| 3335 | */
|
---|
| 3336 | #if !defined RAW_DEBUG || defined __DOXYGEN__
|
---|
| 3337 | #define RAW_DEBUG LWIP_DBG_OFF
|
---|
| 3338 | #endif
|
---|
| 3339 |
|
---|
| 3340 | /**
|
---|
| 3341 | * MEM_DEBUG: Enable debugging in mem.c.
|
---|
| 3342 | */
|
---|
| 3343 | #if !defined MEM_DEBUG || defined __DOXYGEN__
|
---|
| 3344 | #define MEM_DEBUG LWIP_DBG_OFF
|
---|
| 3345 | #endif
|
---|
| 3346 |
|
---|
| 3347 | /**
|
---|
| 3348 | * MEMP_DEBUG: Enable debugging in memp.c.
|
---|
| 3349 | */
|
---|
| 3350 | #if !defined MEMP_DEBUG || defined __DOXYGEN__
|
---|
| 3351 | #define MEMP_DEBUG LWIP_DBG_OFF
|
---|
| 3352 | #endif
|
---|
| 3353 |
|
---|
| 3354 | /**
|
---|
| 3355 | * SYS_DEBUG: Enable debugging in sys.c.
|
---|
| 3356 | */
|
---|
| 3357 | #if !defined SYS_DEBUG || defined __DOXYGEN__
|
---|
| 3358 | #define SYS_DEBUG LWIP_DBG_OFF
|
---|
| 3359 | #endif
|
---|
| 3360 |
|
---|
| 3361 | /**
|
---|
| 3362 | * TIMERS_DEBUG: Enable debugging in timers.c.
|
---|
| 3363 | */
|
---|
| 3364 | #if !defined TIMERS_DEBUG || defined __DOXYGEN__
|
---|
| 3365 | #define TIMERS_DEBUG LWIP_DBG_OFF
|
---|
| 3366 | #endif
|
---|
| 3367 |
|
---|
| 3368 | /**
|
---|
| 3369 | * TCP_DEBUG: Enable debugging for TCP.
|
---|
| 3370 | */
|
---|
| 3371 | #if !defined TCP_DEBUG || defined __DOXYGEN__
|
---|
| 3372 | #define TCP_DEBUG LWIP_DBG_OFF
|
---|
| 3373 | #endif
|
---|
| 3374 |
|
---|
| 3375 | /**
|
---|
| 3376 | * TCP_INPUT_DEBUG: Enable debugging in tcp_in.c for incoming debug.
|
---|
| 3377 | */
|
---|
| 3378 | #if !defined TCP_INPUT_DEBUG || defined __DOXYGEN__
|
---|
| 3379 | #define TCP_INPUT_DEBUG LWIP_DBG_OFF
|
---|
| 3380 | #endif
|
---|
| 3381 |
|
---|
| 3382 | /**
|
---|
| 3383 | * TCP_FR_DEBUG: Enable debugging in tcp_in.c for fast retransmit.
|
---|
| 3384 | */
|
---|
| 3385 | #if !defined TCP_FR_DEBUG || defined __DOXYGEN__
|
---|
| 3386 | #define TCP_FR_DEBUG LWIP_DBG_OFF
|
---|
| 3387 | #endif
|
---|
| 3388 |
|
---|
| 3389 | /**
|
---|
| 3390 | * TCP_RTO_DEBUG: Enable debugging in TCP for retransmit
|
---|
| 3391 | * timeout.
|
---|
| 3392 | */
|
---|
| 3393 | #if !defined TCP_RTO_DEBUG || defined __DOXYGEN__
|
---|
| 3394 | #define TCP_RTO_DEBUG LWIP_DBG_OFF
|
---|
| 3395 | #endif
|
---|
| 3396 |
|
---|
| 3397 | /**
|
---|
| 3398 | * TCP_CWND_DEBUG: Enable debugging for TCP congestion window.
|
---|
| 3399 | */
|
---|
| 3400 | #if !defined TCP_CWND_DEBUG || defined __DOXYGEN__
|
---|
| 3401 | #define TCP_CWND_DEBUG LWIP_DBG_OFF
|
---|
| 3402 | #endif
|
---|
| 3403 |
|
---|
| 3404 | /**
|
---|
| 3405 | * TCP_WND_DEBUG: Enable debugging in tcp_in.c for window updating.
|
---|
| 3406 | */
|
---|
| 3407 | #if !defined TCP_WND_DEBUG || defined __DOXYGEN__
|
---|
| 3408 | #define TCP_WND_DEBUG LWIP_DBG_OFF
|
---|
| 3409 | #endif
|
---|
| 3410 |
|
---|
| 3411 | /**
|
---|
| 3412 | * TCP_OUTPUT_DEBUG: Enable debugging in tcp_out.c output functions.
|
---|
| 3413 | */
|
---|
| 3414 | #if !defined TCP_OUTPUT_DEBUG || defined __DOXYGEN__
|
---|
| 3415 | #define TCP_OUTPUT_DEBUG LWIP_DBG_OFF
|
---|
| 3416 | #endif
|
---|
| 3417 |
|
---|
| 3418 | /**
|
---|
| 3419 | * TCP_RST_DEBUG: Enable debugging for TCP with the RST message.
|
---|
| 3420 | */
|
---|
| 3421 | #if !defined TCP_RST_DEBUG || defined __DOXYGEN__
|
---|
| 3422 | #define TCP_RST_DEBUG LWIP_DBG_OFF
|
---|
| 3423 | #endif
|
---|
| 3424 |
|
---|
| 3425 | /**
|
---|
| 3426 | * TCP_QLEN_DEBUG: Enable debugging for TCP queue lengths.
|
---|
| 3427 | */
|
---|
| 3428 | #if !defined TCP_QLEN_DEBUG || defined __DOXYGEN__
|
---|
| 3429 | #define TCP_QLEN_DEBUG LWIP_DBG_OFF
|
---|
| 3430 | #endif
|
---|
| 3431 |
|
---|
| 3432 | /**
|
---|
| 3433 | * UDP_DEBUG: Enable debugging in UDP.
|
---|
| 3434 | */
|
---|
| 3435 | #if !defined UDP_DEBUG || defined __DOXYGEN__
|
---|
| 3436 | #define UDP_DEBUG LWIP_DBG_OFF
|
---|
| 3437 | #endif
|
---|
| 3438 |
|
---|
| 3439 | /**
|
---|
| 3440 | * TCPIP_DEBUG: Enable debugging in tcpip.c.
|
---|
| 3441 | */
|
---|
| 3442 | #if !defined TCPIP_DEBUG || defined __DOXYGEN__
|
---|
| 3443 | #define TCPIP_DEBUG LWIP_DBG_OFF
|
---|
| 3444 | #endif
|
---|
| 3445 |
|
---|
| 3446 | /**
|
---|
| 3447 | * SLIP_DEBUG: Enable debugging in slipif.c.
|
---|
| 3448 | */
|
---|
| 3449 | #if !defined SLIP_DEBUG || defined __DOXYGEN__
|
---|
| 3450 | #define SLIP_DEBUG LWIP_DBG_OFF
|
---|
| 3451 | #endif
|
---|
| 3452 |
|
---|
| 3453 | /**
|
---|
| 3454 | * DHCP_DEBUG: Enable debugging in dhcp.c.
|
---|
| 3455 | */
|
---|
| 3456 | #if !defined DHCP_DEBUG || defined __DOXYGEN__
|
---|
| 3457 | #define DHCP_DEBUG LWIP_DBG_OFF
|
---|
| 3458 | #endif
|
---|
| 3459 |
|
---|
| 3460 | /**
|
---|
| 3461 | * AUTOIP_DEBUG: Enable debugging in autoip.c.
|
---|
| 3462 | */
|
---|
| 3463 | #if !defined AUTOIP_DEBUG || defined __DOXYGEN__
|
---|
| 3464 | #define AUTOIP_DEBUG LWIP_DBG_OFF
|
---|
| 3465 | #endif
|
---|
| 3466 |
|
---|
| 3467 | /**
|
---|
| 3468 | * DNS_DEBUG: Enable debugging for DNS.
|
---|
| 3469 | */
|
---|
| 3470 | #if !defined DNS_DEBUG || defined __DOXYGEN__
|
---|
| 3471 | #define DNS_DEBUG LWIP_DBG_OFF
|
---|
| 3472 | #endif
|
---|
| 3473 |
|
---|
| 3474 | /**
|
---|
| 3475 | * IP6_DEBUG: Enable debugging for IPv6.
|
---|
| 3476 | */
|
---|
| 3477 | #if !defined IP6_DEBUG || defined __DOXYGEN__
|
---|
| 3478 | #define IP6_DEBUG LWIP_DBG_OFF
|
---|
| 3479 | #endif
|
---|
| 3480 |
|
---|
| 3481 | /**
|
---|
| 3482 | * DHCP6_DEBUG: Enable debugging in dhcp6.c.
|
---|
| 3483 | */
|
---|
| 3484 | #if !defined DHCP6_DEBUG || defined __DOXYGEN__
|
---|
| 3485 | #define DHCP6_DEBUG LWIP_DBG_OFF
|
---|
| 3486 | #endif
|
---|
| 3487 | /**
|
---|
| 3488 | * @}
|
---|
| 3489 | */
|
---|
| 3490 |
|
---|
| 3491 | /**
|
---|
| 3492 | * LWIP_TESTMODE: Changes to make unit test possible
|
---|
| 3493 | */
|
---|
| 3494 | #if !defined LWIP_TESTMODE
|
---|
| 3495 | #define LWIP_TESTMODE 0
|
---|
| 3496 | #endif
|
---|
| 3497 |
|
---|
| 3498 | /*
|
---|
| 3499 | --------------------------------------------------
|
---|
| 3500 | ---------- Performance tracking options ----------
|
---|
| 3501 | --------------------------------------------------
|
---|
| 3502 | */
|
---|
| 3503 | /**
|
---|
| 3504 | * @defgroup lwip_opts_perf Performance
|
---|
| 3505 | * @ingroup lwip_opts_debug
|
---|
| 3506 | * @{
|
---|
| 3507 | */
|
---|
| 3508 | /**
|
---|
| 3509 | * LWIP_PERF: Enable performance testing for lwIP
|
---|
| 3510 | * (if enabled, arch/perf.h is included)
|
---|
| 3511 | */
|
---|
| 3512 | #if !defined LWIP_PERF || defined __DOXYGEN__
|
---|
| 3513 | #define LWIP_PERF 0
|
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| 3514 | #endif
|
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| 3515 | /**
|
---|
| 3516 | * @}
|
---|
| 3517 | */
|
---|
| 3518 |
|
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| 3519 | #endif /* LWIP_HDR_OPT_H */
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