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lwip2: build: include and lib
This commit is contained in:
david gauchard
committed by
Ivan Grokhotkov
Ivan Grokhotkov
parent
84cf2f4b5e
commit
7315095e46
183
tools/sdk/lwip2/include/lwip/priv/memp_priv.h
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183
tools/sdk/lwip2/include/lwip/priv/memp_priv.h
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/**
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* @file
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* memory pools lwIP internal implementations (do not use in application code)
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*/
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/*
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* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Adam Dunkels <adam@sics.se>
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*
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*/
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#ifndef LWIP_HDR_MEMP_PRIV_H
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#define LWIP_HDR_MEMP_PRIV_H
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#include "lwip/opt.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "lwip/mem.h"
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#if MEMP_OVERFLOW_CHECK
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/* if MEMP_OVERFLOW_CHECK is turned on, we reserve some bytes at the beginning
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* and at the end of each element, initialize them as 0xcd and check
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* them later. */
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/* If MEMP_OVERFLOW_CHECK is >= 2, on every call to memp_malloc or memp_free,
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* every single element in each pool is checked!
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* This is VERY SLOW but also very helpful. */
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/* MEMP_SANITY_REGION_BEFORE and MEMP_SANITY_REGION_AFTER can be overridden in
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* lwipopts.h to change the amount reserved for checking. */
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#ifndef MEMP_SANITY_REGION_BEFORE
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#define MEMP_SANITY_REGION_BEFORE 16
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#endif /* MEMP_SANITY_REGION_BEFORE*/
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#if MEMP_SANITY_REGION_BEFORE > 0
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#define MEMP_SANITY_REGION_BEFORE_ALIGNED LWIP_MEM_ALIGN_SIZE(MEMP_SANITY_REGION_BEFORE)
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#else
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#define MEMP_SANITY_REGION_BEFORE_ALIGNED 0
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#endif /* MEMP_SANITY_REGION_BEFORE*/
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#ifndef MEMP_SANITY_REGION_AFTER
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#define MEMP_SANITY_REGION_AFTER 16
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#endif /* MEMP_SANITY_REGION_AFTER*/
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#if MEMP_SANITY_REGION_AFTER > 0
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#define MEMP_SANITY_REGION_AFTER_ALIGNED LWIP_MEM_ALIGN_SIZE(MEMP_SANITY_REGION_AFTER)
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#else
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#define MEMP_SANITY_REGION_AFTER_ALIGNED 0
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#endif /* MEMP_SANITY_REGION_AFTER*/
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/* MEMP_SIZE: save space for struct memp and for sanity check */
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#define MEMP_SIZE (LWIP_MEM_ALIGN_SIZE(sizeof(struct memp)) + MEMP_SANITY_REGION_BEFORE_ALIGNED)
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#define MEMP_ALIGN_SIZE(x) (LWIP_MEM_ALIGN_SIZE(x) + MEMP_SANITY_REGION_AFTER_ALIGNED)
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#else /* MEMP_OVERFLOW_CHECK */
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/* No sanity checks
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* We don't need to preserve the struct memp while not allocated, so we
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* can save a little space and set MEMP_SIZE to 0.
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*/
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#define MEMP_SIZE 0
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#define MEMP_ALIGN_SIZE(x) (LWIP_MEM_ALIGN_SIZE(x))
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#endif /* MEMP_OVERFLOW_CHECK */
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#if !MEMP_MEM_MALLOC || MEMP_OVERFLOW_CHECK
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struct memp {
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struct memp *next;
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#if MEMP_OVERFLOW_CHECK
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const char *file;
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int line;
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#endif /* MEMP_OVERFLOW_CHECK */
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};
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#endif /* !MEMP_MEM_MALLOC || MEMP_OVERFLOW_CHECK */
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#if MEM_USE_POOLS && MEMP_USE_CUSTOM_POOLS
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/* Use a helper type to get the start and end of the user "memory pools" for mem_malloc */
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typedef enum {
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/* Get the first (via:
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MEMP_POOL_HELPER_START = ((u8_t) 1*MEMP_POOL_A + 0*MEMP_POOL_B + 0*MEMP_POOL_C + 0)*/
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MEMP_POOL_HELPER_FIRST = ((u8_t)
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#define LWIP_MEMPOOL(name,num,size,desc)
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#define LWIP_MALLOC_MEMPOOL_START 1
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#define LWIP_MALLOC_MEMPOOL(num, size) * MEMP_POOL_##size + 0
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#define LWIP_MALLOC_MEMPOOL_END
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#include "lwip/priv/memp_std.h"
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) ,
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/* Get the last (via:
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MEMP_POOL_HELPER_END = ((u8_t) 0 + MEMP_POOL_A*0 + MEMP_POOL_B*0 + MEMP_POOL_C*1) */
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MEMP_POOL_HELPER_LAST = ((u8_t)
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#define LWIP_MEMPOOL(name,num,size,desc)
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#define LWIP_MALLOC_MEMPOOL_START
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#define LWIP_MALLOC_MEMPOOL(num, size) 0 + MEMP_POOL_##size *
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#define LWIP_MALLOC_MEMPOOL_END 1
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#include "lwip/priv/memp_std.h"
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)
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} memp_pool_helper_t;
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/* The actual start and stop values are here (cast them over)
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We use this helper type and these defines so we can avoid using const memp_t values */
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#define MEMP_POOL_FIRST ((memp_t) MEMP_POOL_HELPER_FIRST)
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#define MEMP_POOL_LAST ((memp_t) MEMP_POOL_HELPER_LAST)
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#endif /* MEM_USE_POOLS && MEMP_USE_CUSTOM_POOLS */
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/** Memory pool descriptor */
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struct memp_desc {
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#if defined(LWIP_DEBUG) || MEMP_OVERFLOW_CHECK || LWIP_STATS_DISPLAY
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/** Textual description */
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const char *desc;
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#endif /* LWIP_DEBUG || MEMP_OVERFLOW_CHECK || LWIP_STATS_DISPLAY */
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#if MEMP_STATS
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/** Statistics */
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struct stats_mem *stats;
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#endif
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/** Element size */
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u16_t size;
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#if !MEMP_MEM_MALLOC
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/** Number of elements */
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u16_t num;
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/** Base address */
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u8_t *base;
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/** First free element of each pool. Elements form a linked list. */
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struct memp **tab;
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#endif /* MEMP_MEM_MALLOC */
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};
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#if defined(LWIP_DEBUG) || MEMP_OVERFLOW_CHECK || LWIP_STATS_DISPLAY
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#define DECLARE_LWIP_MEMPOOL_DESC(desc) (desc),
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#else
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#define DECLARE_LWIP_MEMPOOL_DESC(desc)
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#endif
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#if MEMP_STATS
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#define LWIP_MEMPOOL_DECLARE_STATS_INSTANCE(name) static struct stats_mem name;
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#define LWIP_MEMPOOL_DECLARE_STATS_REFERENCE(name) &name,
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#else
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#define LWIP_MEMPOOL_DECLARE_STATS_INSTANCE(name)
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#define LWIP_MEMPOOL_DECLARE_STATS_REFERENCE(name)
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#endif
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void memp_init_pool(const struct memp_desc *desc);
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#if MEMP_OVERFLOW_CHECK
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void *memp_malloc_pool_fn(const struct memp_desc* desc, const char* file, const int line);
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#define memp_malloc_pool(d) memp_malloc_pool_fn((d), __FILE__, __LINE__)
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#else
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void *memp_malloc_pool(const struct memp_desc *desc);
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#endif
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void memp_free_pool(const struct memp_desc* desc, void *mem);
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#ifdef __cplusplus
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}
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#endif
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#endif /* LWIP_HDR_MEMP_PRIV_H */
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