LwIP with PPP & Ethernet integration
This is the mbed port of the LwIP stack: http://savannah.nongnu.org/projects/lwip/
It includes contributed content from NXP's port for LPCxxxx devices: http://www.lpcware.com/content/project/lightweight-ip-lwip-networking-stack
Licence
LwIP is licenced under the BSD licence:
Copyright (c) 2001-2004 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.
src/include/lwip/memp.h@2:1a87f74b8e3b, 2012-05-25 (annotated)
- Committer:
- donatien
- Date:
- Fri May 25 08:56:35 2012 +0000
- Revision:
- 2:1a87f74b8e3b
- Parent:
- 0:8e01dca41002
Removed compilation of EMAC driver when using PPP
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
donatien | 0:8e01dca41002 | 1 | /* |
donatien | 0:8e01dca41002 | 2 | * Copyright (c) 2001-2004 Swedish Institute of Computer Science. |
donatien | 0:8e01dca41002 | 3 | * All rights reserved. |
donatien | 0:8e01dca41002 | 4 | * |
donatien | 0:8e01dca41002 | 5 | * Redistribution and use in source and binary forms, with or without modification, |
donatien | 0:8e01dca41002 | 6 | * are permitted provided that the following conditions are met: |
donatien | 0:8e01dca41002 | 7 | * |
donatien | 0:8e01dca41002 | 8 | * 1. Redistributions of source code must retain the above copyright notice, |
donatien | 0:8e01dca41002 | 9 | * this list of conditions and the following disclaimer. |
donatien | 0:8e01dca41002 | 10 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
donatien | 0:8e01dca41002 | 11 | * this list of conditions and the following disclaimer in the documentation |
donatien | 0:8e01dca41002 | 12 | * and/or other materials provided with the distribution. |
donatien | 0:8e01dca41002 | 13 | * 3. The name of the author may not be used to endorse or promote products |
donatien | 0:8e01dca41002 | 14 | * derived from this software without specific prior written permission. |
donatien | 0:8e01dca41002 | 15 | * |
donatien | 0:8e01dca41002 | 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
donatien | 0:8e01dca41002 | 17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
donatien | 0:8e01dca41002 | 18 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT |
donatien | 0:8e01dca41002 | 19 | * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
donatien | 0:8e01dca41002 | 20 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT |
donatien | 0:8e01dca41002 | 21 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
donatien | 0:8e01dca41002 | 22 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
donatien | 0:8e01dca41002 | 23 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
donatien | 0:8e01dca41002 | 24 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY |
donatien | 0:8e01dca41002 | 25 | * OF SUCH DAMAGE. |
donatien | 0:8e01dca41002 | 26 | * |
donatien | 0:8e01dca41002 | 27 | * This file is part of the lwIP TCP/IP stack. |
donatien | 0:8e01dca41002 | 28 | * |
donatien | 0:8e01dca41002 | 29 | * Author: Adam Dunkels <adam@sics.se> |
donatien | 0:8e01dca41002 | 30 | * |
donatien | 0:8e01dca41002 | 31 | */ |
donatien | 0:8e01dca41002 | 32 | |
donatien | 0:8e01dca41002 | 33 | #ifndef __LWIP_MEMP_H__ |
donatien | 0:8e01dca41002 | 34 | #define __LWIP_MEMP_H__ |
donatien | 0:8e01dca41002 | 35 | |
donatien | 0:8e01dca41002 | 36 | #include "lwip/opt.h" |
donatien | 0:8e01dca41002 | 37 | |
donatien | 0:8e01dca41002 | 38 | #ifdef __cplusplus |
donatien | 0:8e01dca41002 | 39 | extern "C" { |
donatien | 0:8e01dca41002 | 40 | #endif |
donatien | 0:8e01dca41002 | 41 | |
donatien | 0:8e01dca41002 | 42 | /* Create the list of all memory pools managed by memp. MEMP_MAX represents a NULL pool at the end */ |
donatien | 0:8e01dca41002 | 43 | typedef enum { |
donatien | 0:8e01dca41002 | 44 | #define LWIP_MEMPOOL(name,num,size,desc) MEMP_##name, |
donatien | 0:8e01dca41002 | 45 | #include "lwip/memp_std.h" |
donatien | 0:8e01dca41002 | 46 | MEMP_MAX |
donatien | 0:8e01dca41002 | 47 | } memp_t; |
donatien | 0:8e01dca41002 | 48 | |
donatien | 0:8e01dca41002 | 49 | #if MEM_USE_POOLS |
donatien | 0:8e01dca41002 | 50 | /* Use a helper type to get the start and end of the user "memory pools" for mem_malloc */ |
donatien | 0:8e01dca41002 | 51 | typedef enum { |
donatien | 0:8e01dca41002 | 52 | /* Get the first (via: |
donatien | 0:8e01dca41002 | 53 | MEMP_POOL_HELPER_START = ((u8_t) 1*MEMP_POOL_A + 0*MEMP_POOL_B + 0*MEMP_POOL_C + 0)*/ |
donatien | 0:8e01dca41002 | 54 | MEMP_POOL_HELPER_FIRST = ((u8_t) |
donatien | 0:8e01dca41002 | 55 | #define LWIP_MEMPOOL(name,num,size,desc) |
donatien | 0:8e01dca41002 | 56 | #define LWIP_MALLOC_MEMPOOL_START 1 |
donatien | 0:8e01dca41002 | 57 | #define LWIP_MALLOC_MEMPOOL(num, size) * MEMP_POOL_##size + 0 |
donatien | 0:8e01dca41002 | 58 | #define LWIP_MALLOC_MEMPOOL_END |
donatien | 0:8e01dca41002 | 59 | #include "lwip/memp_std.h" |
donatien | 0:8e01dca41002 | 60 | ) , |
donatien | 0:8e01dca41002 | 61 | /* Get the last (via: |
donatien | 0:8e01dca41002 | 62 | MEMP_POOL_HELPER_END = ((u8_t) 0 + MEMP_POOL_A*0 + MEMP_POOL_B*0 + MEMP_POOL_C*1) */ |
donatien | 0:8e01dca41002 | 63 | MEMP_POOL_HELPER_LAST = ((u8_t) |
donatien | 0:8e01dca41002 | 64 | #define LWIP_MEMPOOL(name,num,size,desc) |
donatien | 0:8e01dca41002 | 65 | #define LWIP_MALLOC_MEMPOOL_START |
donatien | 0:8e01dca41002 | 66 | #define LWIP_MALLOC_MEMPOOL(num, size) 0 + MEMP_POOL_##size * |
donatien | 0:8e01dca41002 | 67 | #define LWIP_MALLOC_MEMPOOL_END 1 |
donatien | 0:8e01dca41002 | 68 | #include "lwip/memp_std.h" |
donatien | 0:8e01dca41002 | 69 | ) |
donatien | 0:8e01dca41002 | 70 | } memp_pool_helper_t; |
donatien | 0:8e01dca41002 | 71 | |
donatien | 0:8e01dca41002 | 72 | /* The actual start and stop values are here (cast them over) |
donatien | 0:8e01dca41002 | 73 | We use this helper type and these defines so we can avoid using const memp_t values */ |
donatien | 0:8e01dca41002 | 74 | #define MEMP_POOL_FIRST ((memp_t) MEMP_POOL_HELPER_FIRST) |
donatien | 0:8e01dca41002 | 75 | #define MEMP_POOL_LAST ((memp_t) MEMP_POOL_HELPER_LAST) |
donatien | 0:8e01dca41002 | 76 | #endif /* MEM_USE_POOLS */ |
donatien | 0:8e01dca41002 | 77 | |
donatien | 0:8e01dca41002 | 78 | #if MEMP_MEM_MALLOC || MEM_USE_POOLS |
donatien | 0:8e01dca41002 | 79 | extern const u16_t memp_sizes[MEMP_MAX]; |
donatien | 0:8e01dca41002 | 80 | #endif /* MEMP_MEM_MALLOC || MEM_USE_POOLS */ |
donatien | 0:8e01dca41002 | 81 | |
donatien | 0:8e01dca41002 | 82 | #if MEMP_MEM_MALLOC |
donatien | 0:8e01dca41002 | 83 | |
donatien | 0:8e01dca41002 | 84 | #include "mem.h" |
donatien | 0:8e01dca41002 | 85 | |
donatien | 0:8e01dca41002 | 86 | #define memp_init() |
donatien | 0:8e01dca41002 | 87 | #define memp_malloc(type) mem_malloc(memp_sizes[type]) |
donatien | 0:8e01dca41002 | 88 | #define memp_free(type, mem) mem_free(mem) |
donatien | 0:8e01dca41002 | 89 | |
donatien | 0:8e01dca41002 | 90 | #else /* MEMP_MEM_MALLOC */ |
donatien | 0:8e01dca41002 | 91 | |
donatien | 0:8e01dca41002 | 92 | #if MEM_USE_POOLS |
donatien | 0:8e01dca41002 | 93 | /** This structure is used to save the pool one element came from. */ |
donatien | 0:8e01dca41002 | 94 | struct memp_malloc_helper |
donatien | 0:8e01dca41002 | 95 | { |
donatien | 0:8e01dca41002 | 96 | memp_t poolnr; |
donatien | 0:8e01dca41002 | 97 | }; |
donatien | 0:8e01dca41002 | 98 | #endif /* MEM_USE_POOLS */ |
donatien | 0:8e01dca41002 | 99 | |
donatien | 0:8e01dca41002 | 100 | void memp_init(void); |
donatien | 0:8e01dca41002 | 101 | |
donatien | 0:8e01dca41002 | 102 | #if MEMP_OVERFLOW_CHECK |
donatien | 0:8e01dca41002 | 103 | void *memp_malloc_fn(memp_t type, const char* file, const int line); |
donatien | 0:8e01dca41002 | 104 | #define memp_malloc(t) memp_malloc_fn((t), __FILE__, __LINE__) |
donatien | 0:8e01dca41002 | 105 | #else |
donatien | 0:8e01dca41002 | 106 | void *memp_malloc(memp_t type); |
donatien | 0:8e01dca41002 | 107 | #endif |
donatien | 0:8e01dca41002 | 108 | void memp_free(memp_t type, void *mem); |
donatien | 0:8e01dca41002 | 109 | |
donatien | 0:8e01dca41002 | 110 | #endif /* MEMP_MEM_MALLOC */ |
donatien | 0:8e01dca41002 | 111 | |
donatien | 0:8e01dca41002 | 112 | #ifdef __cplusplus |
donatien | 0:8e01dca41002 | 113 | } |
donatien | 0:8e01dca41002 | 114 | #endif |
donatien | 0:8e01dca41002 | 115 | |
donatien | 0:8e01dca41002 | 116 | #endif /* __LWIP_MEMP_H__ */ |