mbed official / lwip

Official mbed lwIP library (version 1.4.0)

Dependents:   LwIPNetworking NetServicesMin EthernetInterface EthernetInterface_RSF ... more

Legacy Networking Libraries

This is an mbed 2 networking library. For mbed OS 5, lwip has been integrated with built-in networking interfaces. The networking libraries have been revised to better support additional network stacks and thread safety here.

This library is based on the code of lwIP v1.4.0

Copyright (c) 2001, 2002 Swedish Institute of Computer Science.
All rights reserved. 

Redistribution and use in source and binary forms, with or without modification, 
are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice,
   this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.
3. The name of the author may not be used to endorse or promote products
   derived from this software without specific prior written permission. 

THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
OF SUCH DAMAGE.

include/lwip/memp.h@20:08f08bfc3f3d, 2016-03-14 (annotated)

Committer:
mbed_official
Date:
Mon Mar 14 16:15:36 2016 +0000
Revision:
20:08f08bfc3f3d
Parent:
0:51ac1d130fd4 
Synchronized with git revision fec574a5ed6db26aca1b13992ff271bf527d4a0d



Full URL: https://github.com/mbedmicro/mbed/commit/fec574a5ed6db26aca1b13992ff271bf527d4a0d/



Increased allocated netbufs to handle DTLS handshakes

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:51ac1d130fd4 1 /*
mbed_official 0:51ac1d130fd4 2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
mbed_official 0:51ac1d130fd4 3 * All rights reserved.
mbed_official 0:51ac1d130fd4 4 *
mbed_official 0:51ac1d130fd4 5 * Redistribution and use in source and binary forms, with or without modification,
mbed_official 0:51ac1d130fd4 6 * are permitted provided that the following conditions are met:
mbed_official 0:51ac1d130fd4 7 *
mbed_official 0:51ac1d130fd4 8 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 0:51ac1d130fd4 9 * this list of conditions and the following disclaimer.
mbed_official 0:51ac1d130fd4 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 0:51ac1d130fd4 11 * this list of conditions and the following disclaimer in the documentation
mbed_official 0:51ac1d130fd4 12 * and/or other materials provided with the distribution.
mbed_official 0:51ac1d130fd4 13 * 3. The name of the author may not be used to endorse or promote products
mbed_official 0:51ac1d130fd4 14 * derived from this software without specific prior written permission.
mbed_official 0:51ac1d130fd4 15 *
mbed_official 0:51ac1d130fd4 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
mbed_official 0:51ac1d130fd4 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
mbed_official 0:51ac1d130fd4 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
mbed_official 0:51ac1d130fd4 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
mbed_official 0:51ac1d130fd4 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
mbed_official 0:51ac1d130fd4 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
mbed_official 0:51ac1d130fd4 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
mbed_official 0:51ac1d130fd4 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
mbed_official 0:51ac1d130fd4 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
mbed_official 0:51ac1d130fd4 25 * OF SUCH DAMAGE.
mbed_official 0:51ac1d130fd4 26 *
mbed_official 0:51ac1d130fd4 27 * This file is part of the lwIP TCP/IP stack.
mbed_official 0:51ac1d130fd4 28 *
mbed_official 0:51ac1d130fd4 29 * Author: Adam Dunkels <adam@sics.se>
mbed_official 0:51ac1d130fd4 30 *
mbed_official 0:51ac1d130fd4 31 */
mbed_official 0:51ac1d130fd4 32
mbed_official 0:51ac1d130fd4 33 #ifndef __LWIP_MEMP_H__
mbed_official 0:51ac1d130fd4 34 #define __LWIP_MEMP_H__
mbed_official 0:51ac1d130fd4 35
mbed_official 0:51ac1d130fd4 36 #include "lwip/opt.h"
mbed_official 0:51ac1d130fd4 37
mbed_official 0:51ac1d130fd4 38 #ifdef __cplusplus
mbed_official 0:51ac1d130fd4 39 extern "C" {
mbed_official 0:51ac1d130fd4 40 #endif
mbed_official 0:51ac1d130fd4 41
mbed_official 0:51ac1d130fd4 42 /* Create the list of all memory pools managed by memp. MEMP_MAX represents a NULL pool at the end */
mbed_official 0:51ac1d130fd4 43 typedef enum {
mbed_official 0:51ac1d130fd4 44 #define LWIP_MEMPOOL(name,num,size,desc) MEMP_##name,
mbed_official 0:51ac1d130fd4 45 #include "lwip/memp_std.h"
mbed_official 0:51ac1d130fd4 46 MEMP_MAX
mbed_official 0:51ac1d130fd4 47 } memp_t;
mbed_official 0:51ac1d130fd4 48
mbed_official 0:51ac1d130fd4 49 #if MEM_USE_POOLS
mbed_official 0:51ac1d130fd4 50 /* Use a helper type to get the start and end of the user "memory pools" for mem_malloc */
mbed_official 0:51ac1d130fd4 51 typedef enum {
mbed_official 0:51ac1d130fd4 52 /* Get the first (via:
mbed_official 0:51ac1d130fd4 53 MEMP_POOL_HELPER_START = ((u8_t) 1*MEMP_POOL_A + 0*MEMP_POOL_B + 0*MEMP_POOL_C + 0)*/
mbed_official 0:51ac1d130fd4 54 MEMP_POOL_HELPER_FIRST = ((u8_t)
mbed_official 0:51ac1d130fd4 55 #define LWIP_MEMPOOL(name,num,size,desc)
mbed_official 0:51ac1d130fd4 56 #define LWIP_MALLOC_MEMPOOL_START 1
mbed_official 0:51ac1d130fd4 57 #define LWIP_MALLOC_MEMPOOL(num, size) * MEMP_POOL_##size + 0
mbed_official 0:51ac1d130fd4 58 #define LWIP_MALLOC_MEMPOOL_END
mbed_official 0:51ac1d130fd4 59 #include "lwip/memp_std.h"
mbed_official 0:51ac1d130fd4 60 ) ,
mbed_official 0:51ac1d130fd4 61 /* Get the last (via:
mbed_official 0:51ac1d130fd4 62 MEMP_POOL_HELPER_END = ((u8_t) 0 + MEMP_POOL_A*0 + MEMP_POOL_B*0 + MEMP_POOL_C*1) */
mbed_official 0:51ac1d130fd4 63 MEMP_POOL_HELPER_LAST = ((u8_t)
mbed_official 0:51ac1d130fd4 64 #define LWIP_MEMPOOL(name,num,size,desc)
mbed_official 0:51ac1d130fd4 65 #define LWIP_MALLOC_MEMPOOL_START
mbed_official 0:51ac1d130fd4 66 #define LWIP_MALLOC_MEMPOOL(num, size) 0 + MEMP_POOL_##size *
mbed_official 0:51ac1d130fd4 67 #define LWIP_MALLOC_MEMPOOL_END 1
mbed_official 0:51ac1d130fd4 68 #include "lwip/memp_std.h"
mbed_official 0:51ac1d130fd4 69 )
mbed_official 0:51ac1d130fd4 70 } memp_pool_helper_t;
mbed_official 0:51ac1d130fd4 71
mbed_official 0:51ac1d130fd4 72 /* The actual start and stop values are here (cast them over)
mbed_official 0:51ac1d130fd4 73 We use this helper type and these defines so we can avoid using const memp_t values */
mbed_official 0:51ac1d130fd4 74 #define MEMP_POOL_FIRST ((memp_t) MEMP_POOL_HELPER_FIRST)
mbed_official 0:51ac1d130fd4 75 #define MEMP_POOL_LAST ((memp_t) MEMP_POOL_HELPER_LAST)
mbed_official 0:51ac1d130fd4 76 #endif /* MEM_USE_POOLS */
mbed_official 0:51ac1d130fd4 77
mbed_official 0:51ac1d130fd4 78 #if MEMP_MEM_MALLOC || MEM_USE_POOLS
mbed_official 0:51ac1d130fd4 79 extern const u16_t memp_sizes[MEMP_MAX];
mbed_official 0:51ac1d130fd4 80 #endif /* MEMP_MEM_MALLOC || MEM_USE_POOLS */
mbed_official 0:51ac1d130fd4 81
mbed_official 0:51ac1d130fd4 82 #if MEMP_MEM_MALLOC
mbed_official 0:51ac1d130fd4 83
mbed_official 0:51ac1d130fd4 84 #include "mem.h"
mbed_official 0:51ac1d130fd4 85
mbed_official 0:51ac1d130fd4 86 #define memp_init()
mbed_official 0:51ac1d130fd4 87 #define memp_malloc(type) mem_malloc(memp_sizes[type])
mbed_official 0:51ac1d130fd4 88 #define memp_free(type, mem) mem_free(mem)
mbed_official 0:51ac1d130fd4 89
mbed_official 0:51ac1d130fd4 90 #else /* MEMP_MEM_MALLOC */
mbed_official 0:51ac1d130fd4 91
mbed_official 0:51ac1d130fd4 92 #if MEM_USE_POOLS
mbed_official 0:51ac1d130fd4 93 /** This structure is used to save the pool one element came from. */
mbed_official 0:51ac1d130fd4 94 struct memp_malloc_helper
mbed_official 0:51ac1d130fd4 95 {
mbed_official 0:51ac1d130fd4 96 memp_t poolnr;
mbed_official 0:51ac1d130fd4 97 };
mbed_official 0:51ac1d130fd4 98 #endif /* MEM_USE_POOLS */
mbed_official 0:51ac1d130fd4 99
mbed_official 0:51ac1d130fd4 100 void memp_init(void);
mbed_official 0:51ac1d130fd4 101
mbed_official 0:51ac1d130fd4 102 #if MEMP_OVERFLOW_CHECK
mbed_official 0:51ac1d130fd4 103 void *memp_malloc_fn(memp_t type, const char* file, const int line);
mbed_official 0:51ac1d130fd4 104 #define memp_malloc(t) memp_malloc_fn((t), __FILE__, __LINE__)
mbed_official 0:51ac1d130fd4 105 #else
mbed_official 0:51ac1d130fd4 106 void *memp_malloc(memp_t type);
mbed_official 0:51ac1d130fd4 107 #endif
mbed_official 0:51ac1d130fd4 108 void memp_free(memp_t type, void *mem);
mbed_official 0:51ac1d130fd4 109
mbed_official 0:51ac1d130fd4 110 #endif /* MEMP_MEM_MALLOC */
mbed_official 0:51ac1d130fd4 111
mbed_official 0:51ac1d130fd4 112 #ifdef __cplusplus
mbed_official 0:51ac1d130fd4 113 }
mbed_official 0:51ac1d130fd4 114 #endif
mbed_official 0:51ac1d130fd4 115
mbed_official 0:51ac1d130fd4 116 #endif /* __LWIP_MEMP_H__ */