gc/lwip/lwipopts.h

   1 /*
   2  * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without modification,
   6  * are permitted provided that the following conditions are met:
   7  *
   8  * 1. Redistributions of source code must retain the above copyright notice,
   9  *    this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright notice,
  11  *    this list of conditions and the following disclaimer in the documentation
  12  *    and/or other materials provided with the distribution.
  13  * 3. The name of the author may not be used to endorse or promote products
  14  *    derived from this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
  17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
  19  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  20  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
  21  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  22  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  23  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  24  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
  25  * OF SUCH DAMAGE.
  26  *
  27  * This file is part of the lwIP TCP/IP stack.
  28  *
  29  * Author: Adam Dunkels <adam@sics.se>
  30  *
  31  */
  32 #ifndef __LWIPOPTS_H__
  33 #define __LWIPOPTS_H__
  34
  35 #include <string.h>
  36
  37 #define BYTE_ORDER                                              BIG_ENDIAN
  38 #define NO_SYS                                                  1
  39 #define LWIP_CALLBACK_API                               1
  40 #undef  LWIP_EVENT_API
  41 #define TCPIP_THREAD_PRIO               125
  42 #define SYS_LIGHTWEIGHT_PROT            1
  43
  44 /* ---------- Memory options ---------- */
  45 /* MEM_ALIGNMENT: should be set to the alignment of the CPU for which
  46    lwIP is compiled. 4 byte alignment -> define MEM_ALIGNMENT to 4, 2
  47    byte alignment -> define MEM_ALIGNMENT to 2. */
  48 #define MEM_ALIGNMENT           4
  49
  50 /* MEM_SIZE: the size of the heap memory. If the application will send
  51 a lot of data that needs to be copied, this should be set high. */
  52 #define MEM_SIZE                                (192*1024)
  53
  54 /* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application
  55    sends a lot of data out of ROM (or other static memory), this
  56    should be set high. */
  57 #define MEMP_NUM_PBUF           128
  58 /* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
  59    per active UDP "connection". */
  60 #define MEMP_NUM_UDP_PCB        16
  61 /* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP
  62    connections. */
  63 #define MEMP_NUM_TCP_PCB        16
  64 /* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP
  65    connections. */
  66 #define MEMP_NUM_TCP_PCB_LISTEN 8
  67 /* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP
  68    segments. */
  69 #define MEMP_NUM_TCP_SEG        128
  70
  71 /* The following four are used only with the sequential API and can be
  72    set to 0 if the application only will use the raw API. */
  73 /* MEMP_NUM_NETBUF: the number of struct netbufs. */
  74 #define MEMP_NUM_NETBUF         16
  75 /* MEMP_NUM_NETCONN: the number of struct netconns. */
  76 #define MEMP_NUM_NETCONN        16
  77 /* MEMP_NUM_APIMSG: the number of struct api_msg, used for
  78    communication between the TCP/IP stack and the sequential
  79    programs. */
  80 #define MEMP_NUM_API_MSG        128
  81 /* MEMP_NUM_TCPIPMSG: the number of struct tcpip_msg, which is used
  82    for sequential API communication and incoming packets. Used in
  83    src/api/tcpip.c. */
  84 #define MEMP_NUM_TCPIP_MSG      128
  85 /* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active
  86    timeouts. */
  87 #define MEMP_NUM_SYS_TIMEOUT    0
  88
  89 /* ---------- Pbuf options ---------- */
  90 /* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */
  91 #define PBUF_POOL_SIZE          128                     //128
  92
  93 /* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */
  94 #define PBUF_POOL_BUFSIZE       1600
  95
  96 /* PBUF_LINK_HLEN: the number of bytes that should be allocated for a
  97    link level header. */
  98 #define PBUF_LINK_HLEN          16
  99
 100 /* ---------- TCP options ---------- */
 101 #define LWIP_TCP                1
 102 #define TCP_TTL                 255
 103
 104 /* Controls if TCP should queue segments that arrive out of
 105    order. Define to 0 if your device is low on memory. */
 106 #define TCP_QUEUE_OOSEQ         1
 107
 108 /* TCP Maximum segment size. */
 109 #define TCP_MSS                                 1460
 110
 111 /* TCP sender buffer space (bytes). */
 112 #define TCP_SND_BUF                             (36*TCP_MSS)
 113
 114 /* TCP sender buffer space (pbufs). This must be at least = 2 *
 115    TCP_SND_BUF/TCP_MSS for things to work. */
 116 #define TCP_SND_QUEUELEN        (36*TCP_SND_BUF/TCP_MSS)
 117
 118 /* TCP receive window. */
 119 #define TCP_WND                 (36*TCP_MSS)
 120
 121 /* Maximum number of retransmissions of data segments. */
 122 #define TCP_MAXRTX              12
 123
 124 /* Maximum number of retransmissions of SYN segments. */
 125 #define TCP_SYNMAXRTX           4
 126
 127 /* ---------- ARP options ---------- */
 128 /**
 129  * - If enabled, cache entries are generated for every kind of ARP traffic or
 130  * broadcast IP traffic. This enhances behaviour for sending to a dynamic set
 131  * of hosts, for example if acting as a gateway.
 132  * - If disabled, cache entries are generated only for IP destination addresses
 133  * in use by lwIP or applications. This enhances performance if sending to a small,
 134  * reasonably static number of hosts. Typically for embedded devices.
 135  */
 136
 137 /* ---------- IP options ---------- */
 138 /* Define IP_FORWARD to 1 if you wish to have the ability to forward
 139    IP packets across network interfaces. If you are going to run lwIP
 140    on a device with only one network interface, define this to 0. */
 141 #define IP_FORWARD              0
 142
 143 /* If defined to 1, IP options are allowed (but not parsed). If
 144    defined to 0, all packets with IP options are dropped. */
 145 #define IP_OPTIONS              1
 146
 147 /* ---------- ICMP options ---------- */
 148 #define ICMP_TTL                255
 149
 150
 151 /* ---------- DHCP options ---------- */
 152 /* Define LWIP_DHCP to 1 if you want DHCP configuration of
 153    interfaces. DHCP is not implemented in lwIP 0.5.1, however, so
 154    turning this on does currently not work. */
 155 #define LWIP_DHCP               1
 156
 157 /* 1 if you want to do an ARP check on the offered address
 158    (recommended). */
 159 #define DHCP_DOES_ARP_CHECK     1
 160
 161 /* ---------- UDP options ---------- */
 162 #define LWIP_UDP                1
 163 #define UDP_TTL                 255
 164
 165 #define LWIP_STATS                              0
 166 /* ---------- Statistics options ---------- */
 167 /*#define STATS*/
 168 #if LWIP_STATS
 169 #define LINK_STATS                              0
 170 #define IP_STATS                                0
 171 #define ICMP_STATS                              0
 172 #define UDP_STATS                               0
 173 #define TCP_STATS                               0
 174 #define MEM_STATS                               0
 175 #define MEMP_STATS                              0
 176 #define PBUF_STATS                              0
 177 #define SYS_STATS                               0
 178 #define RAW_STATS                               0
 179 #endif
 180
 181 #ifdef LWIP_DEBUG
 182 #define DBG_TYPES_ON                    -1
 183 #define DEMO_DEBUG                      DBG_OFF
 184 #define ETHARP_DEBUG                    DBG_OFF
 185 #define NETIF_DEBUG                     DBG_OFF
 186 #define PBUF_DEBUG                      DBG_OFF
 187 #define API_LIB_DEBUG                   DBG_OFF
 188 #define API_MSG_DEBUG                   DBG_ON
 189 #define SOCKETS_DEBUG                   DBG_OFF
 190 #define ICMP_DEBUG                      DBG_OFF
 191 #define INET_DEBUG                      DBG_OFF
 192 #define IP_DEBUG                        DBG_OFF
 193 #define IP_REASS_DEBUG                  DBG_OFF
 194 #define MEM_DEBUG                       DBG_OFF
 195 #define MEMP_DEBUG                      DBG_OFF
 196 #define SYS_DEBUG                       DBG_OFF
 197 #define RAW_DEBUG                       DBG_OFF
 198 #define TCP_DEBUG                       DBG_OFF
 199 #define TCP_INPUT_DEBUG                 DBG_OFF
 200 #define TCP_FR_DEBUG                    DBG_OFF
 201 #define TCP_RTO_DEBUG                   DBG_OFF
 202 #define TCP_REXMIT_DEBUG                DBG_OFF
 203 #define TCP_CWND_DEBUG                  DBG_OFF
 204 #define TCP_WND_DEBUG                   DBG_OFF
 205 #define TCP_OUTPUT_DEBUG                DBG_OFF
 206 #define TCP_RST_DEBUG                   DBG_OFF
 207 #define TCP_QLEN_DEBUG                  DBG_OFF
 208 #define UDP_DEBUG                       DBG_OFF
 209 #define TCPIP_DEBUG                     DBG_OFF
 210 #define PPP_DEBUG                       DBG_OFF
 211 #define SLIP_DEBUG                      DBG_OFF
 212 #define DHCP_DEBUG                      DBG_OFF
 213
 214 #define DBG_MIN_LEVEL                   DBG_LEVEL_OFF
 215 #endif
 216
 217
 218 #endif /* __LWIPOPTS_H__ */