2 * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
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.
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
27 * This file is part of the lwIP TCP/IP stack.
29 * Author: Adam Dunkels <adam@sics.se>
32 #ifndef __LWIPOPTS_H__
33 #define __LWIPOPTS_H__
36 #define TCPIP_THREAD_NAME "tcpip"
37 #define LWIP_HTTPD_MAX_TAG_NAME_LEN 20
38 #define LWIP_HTTPD_MAX_TAG_INSERT_LEN 1024
39 #define TCPIP_THREAD_PRIO configLWIP_TASK_PRIORITY
40 #define TCPIP_THREAD_STACKSIZE configMINIMAL_STACK_SIZE * 3
43 #define LWIP_SOCKET (NO_SYS==0)
44 #define LWIP_NETCONN (NO_SYS==0)
52 #define LWIP_HAVE_LOOPIF 1
53 #define LWIP_NETIF_LOOPBACK 1
54 #define LWIP_LOOPBACK_MAX_PBUFS 10
56 #define TCP_LISTEN_BACKLOG 0
58 #define LWIP_COMPAT_SOCKETS 1
59 #define LWIP_SO_RCVTIMEO 1
60 #define LWIP_SO_RCVBUF 1
62 #define LWIP_TCPIP_CORE_LOCKING 0
64 #define LWIP_NETIF_LINK_CALLBACK 0
65 #define LWIP_NETIF_STATUS_CALLBACK 0
70 #define LWIP_DBG_MIN_LEVEL 0
71 #define PPP_DEBUG LWIP_DBG_OFF
72 #define MEM_DEBUG LWIP_DBG_OFF
73 #define MEMP_DEBUG LWIP_DBG_OFF
74 #define PBUF_DEBUG LWIP_DBG_OFF
75 #define API_LIB_DEBUG LWIP_DBG_ON
76 #define API_MSG_DEBUG LWIP_DBG_ON
77 #define TCPIP_DEBUG LWIP_DBG_ON
78 #define NETIF_DEBUG LWIP_DBG_ON
79 #define SOCKETS_DEBUG LWIP_DBG_OFF
80 #define DNS_DEBUG LWIP_DBG_OFF
81 #define AUTOIP_DEBUG LWIP_DBG_OFF
82 #define DHCP_DEBUG LWIP_DBG_OFF
83 #define IP_DEBUG LWIP_DBG_O
84 #define IP_REASS_DEBUG LWIP_DBG_ON
85 #define ICMP_DEBUG LWIP_DBG_OFF
86 #define IGMP_DEBUG LWIP_DBG_OFF
87 #define UDP_DEBUG LWIP_DBG_OFF
88 #define TCP_DEBUG LWIP_DBG_ON
89 #define TCP_INPUT_DEBUG LWIP_DBG_ON
90 #define TCP_OUTPUT_DEBUG LWIP_DBG_ON
91 #define TCP_RTO_DEBUG LWIP_DBG_ON
92 #define TCP_CWND_DEBUG LWIP_DBG_ON
93 #define TCP_WND_DEBUG LWIP_DBG_ON
94 #define TCP_FR_DEBUG LWIP_DBG_ON
95 #define TCP_QLEN_DEBUG LWIP_DBG_ON
96 #define TCP_RST_DEBUG LWIP_DBG_ON
99 #define LWIP_DBG_TYPES_ON (LWIP_DBG_ON|LWIP_DBG_TRACE|LWIP_DBG_STATE|LWIP_DBG_FRESH|LWIP_DBG_HALT)
101 #define TCPIP_MBOX_SIZE 10
103 /* ---------- Memory options ---------- */
104 /* MEM_ALIGNMENT: should be set to the alignment of the CPU for which
105 lwIP is compiled. 4 byte alignment -> define MEM_ALIGNMENT to 4, 2
106 byte alignment -> define MEM_ALIGNMENT to 2. */
107 /* MSVC port: intel processors don't need 4-byte alignment,
108 but are faster that way! */
109 #define MEM_ALIGNMENT 4
111 /* MEM_SIZE: the size of the heap memory. If the application will send
112 a lot of data that needs to be copied, this should be set high. */
113 #define MEM_SIZE 10240
115 /* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application
116 sends a lot of data out of ROM (or other static memory), this
117 should be set high. */
118 #define MEMP_NUM_PBUF 16
119 /* MEMP_NUM_RAW_PCB: the number of UDP protocol control blocks. One
120 per active RAW "connection". */
121 #define MEMP_NUM_RAW_PCB 3
122 /* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
123 per active UDP "connection". */
124 #define MEMP_NUM_UDP_PCB 4
125 /* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP
127 #define MEMP_NUM_TCP_PCB 5
128 /* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP
130 #define MEMP_NUM_TCP_PCB_LISTEN 8
131 /* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP
133 #define MEMP_NUM_TCP_SEG 16
134 /* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active
136 #define MEMP_NUM_SYS_TIMEOUT 15
138 /* The following four are used only with the sequential API and can be
139 set to 0 if the application only will use the raw API. */
140 /* MEMP_NUM_NETBUF: the number of struct netbufs. */
141 #define MEMP_NUM_NETBUF 2
142 /* MEMP_NUM_NETCONN: the number of struct netconns. */
143 #define MEMP_NUM_NETCONN 10
144 /* MEMP_NUM_TCPIP_MSG_*: the number of struct tcpip_msg, which is used
145 for sequential API communication and incoming packets. Used in
147 #define MEMP_NUM_TCPIP_MSG_API 16
148 #define MEMP_NUM_TCPIP_MSG_INPKT 16
151 /* ---------- Pbuf options ---------- */
152 /* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */
153 #define PBUF_POOL_SIZE 100
155 /* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */
156 #define PBUF_POOL_BUFSIZE 128
158 /* PBUF_LINK_HLEN: the number of bytes that should be allocated for a
159 link level header. */
160 #define PBUF_LINK_HLEN 16
162 /** SYS_LIGHTWEIGHT_PROT
163 * define SYS_LIGHTWEIGHT_PROT in lwipopts.h if you want inter-task protection
164 * for certain critical regions during buffer allocation, deallocation and memory
165 * allocation and deallocation.
167 #define SYS_LIGHTWEIGHT_PROT (NO_SYS==0)
170 /* ---------- TCP options ---------- */
174 /* Controls if TCP should queue segments that arrive out of
175 order. Define to 0 if your device is low on memory. */
176 #define TCP_QUEUE_OOSEQ 1
178 /* TCP Maximum segment size. */
181 /* TCP sender buffer space (bytes). */
182 #define TCP_SND_BUF 2048
184 /* TCP sender buffer space (pbufs). This must be at least = 2 *
185 TCP_SND_BUF/TCP_MSS for things to work. */
186 #define TCP_SND_QUEUELEN (4 * TCP_SND_BUF/TCP_MSS)
188 /* TCP writable space (bytes). This must be less than or equal
189 to TCP_SND_BUF. It is the amount of space which must be
190 available in the tcp snd_buf for select to return writable */
191 #define TCP_SNDLOWAT (TCP_SND_BUF/2)
193 /* TCP receive window. */
196 /* Maximum number of retransmissions of data segments. */
197 #define TCP_MAXRTX 12
199 /* Maximum number of retransmissions of SYN segments. */
200 #define TCP_SYNMAXRTX 4
203 /* ---------- ARP options ---------- */
205 #define ARP_TABLE_SIZE 10
206 #define ARP_QUEUEING 1
209 /* ---------- IP options ---------- */
210 /* Define IP_FORWARD to 1 if you wish to have the ability to forward
211 IP packets across network interfaces. If you are going to run lwIP
212 on a device with only one network interface, define this to 0. */
215 /* IP reassembly and segmentation.These are orthogonal even
216 * if they both deal with IP fragments */
217 #define IP_REASSEMBLY 1
218 #define IP_REASS_MAX_PBUFS 10
219 #define MEMP_NUM_REASSDATA 10
223 /* ---------- ICMP options ---------- */
227 /* ---------- DHCP options ---------- */
228 /* Define LWIP_DHCP to 1 if you want DHCP configuration of
232 /* 1 if you want to do an ARP check on the offered address
234 #define DHCP_DOES_ARP_CHECK (LWIP_DHCP)
237 /* ---------- AUTOIP options ------- */
238 #define LWIP_AUTOIP 0
239 #define LWIP_DHCP_AUTOIP_COOP (LWIP_DHCP && LWIP_AUTOIP)
242 /* ---------- UDP options ---------- */
244 #define LWIP_UDPLITE 1
248 /* ---------- Statistics options ---------- */
251 #define LWIP_STATS_DISPLAY 1
258 #define IPFRAG_STATS 1
265 #endif /* LWIP_STATS */
268 /* ---------- PPP options ---------- */
270 #define PPP_SUPPORT 0 /* Set > 0 for PPP */
274 #define NUM_PPP 1 /* Max PPP sessions. */
277 /* Select modules to enable. Ideally these would be set in the makefile but
278 * we're limited by the command line length so you need to modify the settings
281 #define PPPOE_SUPPORT 1
282 #define PPPOS_SUPPORT 1
284 #define PAP_SUPPORT 1 /* Set > 0 for PAP. */
285 #define CHAP_SUPPORT 1 /* Set > 0 for CHAP. */
286 #define MSCHAP_SUPPORT 0 /* Set > 0 for MSCHAP (NOT FUNCTIONAL!) */
287 #define CBCP_SUPPORT 0 /* Set > 0 for CBCP (NOT FUNCTIONAL!) */
288 #define CCP_SUPPORT 0 /* Set > 0 for CCP (NOT FUNCTIONAL!) */
289 #define VJ_SUPPORT 1 /* Set > 0 for VJ header compression. */
290 #define MD5_SUPPORT 1 /* Set > 0 for MD5 (see also CHAP) */
292 #endif /* PPP_SUPPORT */
294 #endif /* __LWIPOPTS_H__ */