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lwipopts.h
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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 #undef BYTE_ORDER
38 
39 #define BYTE_ORDER BIG_ENDIAN
40 #define NO_SYS 1
41 #define LWIP_CALLBACK_API 1
42 #undef LWIP_EVENT_API
43 #define TCPIP_THREAD_PRIO 125
44 #define SYS_LIGHTWEIGHT_PROT 1
45 
46 /* ---------- Memory options ---------- */
47 /* MEM_ALIGNMENT: should be set to the alignment of the CPU for which
48  lwIP is compiled. 4 byte alignment -> define MEM_ALIGNMENT to 4, 2
49  byte alignment -> define MEM_ALIGNMENT to 2. */
50 #define MEM_ALIGNMENT 4
51 
52 /* MEM_SIZE: the size of the heap memory. If the application will send
53 a lot of data that needs to be copied, this should be set high. */
54 #define MEM_SIZE (192*1024)
55 
56 /* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application
57  sends a lot of data out of ROM (or other static memory), this
58  should be set high. */
59 #define MEMP_NUM_PBUF 128
60 /* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
61  per active UDP "connection". */
62 #define MEMP_NUM_UDP_PCB 16
63 /* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP
64  connections. */
65 #define MEMP_NUM_TCP_PCB 16
66 /* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP
67  connections. */
68 #define MEMP_NUM_TCP_PCB_LISTEN 8
69 /* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP
70  segments. */
71 #define MEMP_NUM_TCP_SEG 128
72 
73 /* The following four are used only with the sequential API and can be
74  set to 0 if the application only will use the raw API. */
75 /* MEMP_NUM_NETBUF: the number of struct netbufs. */
76 #define MEMP_NUM_NETBUF 16
77 /* MEMP_NUM_NETCONN: the number of struct netconns. */
78 #define MEMP_NUM_NETCONN 16
79 /* MEMP_NUM_APIMSG: the number of struct api_msg, used for
80  communication between the TCP/IP stack and the sequential
81  programs. */
82 #define MEMP_NUM_API_MSG 128
83 /* MEMP_NUM_TCPIPMSG: the number of struct tcpip_msg, which is used
84  for sequential API communication and incoming packets. Used in
85  src/api/tcpip.c. */
86 #define MEMP_NUM_TCPIP_MSG 128
87 /* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active
88  timeouts. */
89 #define MEMP_NUM_SYS_TIMEOUT 0
90 
91 /* ---------- Pbuf options ---------- */
92 /* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */
93 #define PBUF_POOL_SIZE 128 //128
94 
95 /* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */
96 #define PBUF_POOL_BUFSIZE 1600
97 
98 /* PBUF_LINK_HLEN: the number of bytes that should be allocated for a
99  link level header. */
100 #define PBUF_LINK_HLEN 16
101 
102 /* ---------- TCP options ---------- */
103 #define LWIP_TCP 1
104 #define TCP_TTL 255
105 
106 /* Controls if TCP should queue segments that arrive out of
107  order. Define to 0 if your device is low on memory. */
108 #define TCP_QUEUE_OOSEQ 1
109 
110 /* TCP Maximum segment size. */
111 #define TCP_MSS 1460
112 
113 /* TCP sender buffer space (bytes). */
114 #define TCP_SND_BUF (36*TCP_MSS)
115 
116 /* TCP sender buffer space (pbufs). This must be at least = 2 *
117  TCP_SND_BUF/TCP_MSS for things to work. */
118 #define TCP_SND_QUEUELEN (36*TCP_SND_BUF/TCP_MSS)
119 
120 /* TCP receive window. */
121 #define TCP_WND (36*TCP_MSS)
122 
123 /* Maximum number of retransmissions of data segments. */
124 #define TCP_MAXRTX 12
125 
126 /* Maximum number of retransmissions of SYN segments. */
127 #define TCP_SYNMAXRTX 4
128 
129 /* ---------- ARP options ---------- */
139 /* ---------- IP options ---------- */
140 /* Define IP_FORWARD to 1 if you wish to have the ability to forward
141  IP packets across network interfaces. If you are going to run lwIP
142  on a device with only one network interface, define this to 0. */
143 #define IP_FORWARD 0
144 
145 /* If defined to 1, IP options are allowed (but not parsed). If
146  defined to 0, all packets with IP options are dropped. */
147 #define IP_OPTIONS 1
148 
149 /* ---------- ICMP options ---------- */
150 #define ICMP_TTL 255
151 
152 
153 /* ---------- DHCP options ---------- */
154 /* Define LWIP_DHCP to 1 if you want DHCP configuration of
155  interfaces. DHCP is not implemented in lwIP 0.5.1, however, so
156  turning this on does currently not work. */
157 #define LWIP_DHCP 1
158 
159 /* 1 if you want to do an ARP check on the offered address
160  (recommended). */
161 #define DHCP_DOES_ARP_CHECK 1
162 
163 /* ---------- UDP options ---------- */
164 #define LWIP_UDP 1
165 #define UDP_TTL 255
166 
167 #define LWIP_STATS 0
168 /* ---------- Statistics options ---------- */
169 /*#define STATS*/
170 #if LWIP_STATS
171 #define LINK_STATS 0
172 #define IP_STATS 0
173 #define ICMP_STATS 0
174 #define UDP_STATS 0
175 #define TCP_STATS 0
176 #define MEM_STATS 0
177 #define MEMP_STATS 0
178 #define PBUF_STATS 0
179 #define SYS_STATS 0
180 #define RAW_STATS 0
181 #endif
182 
183 #ifdef LWIP_DEBUG
184 #define DBG_TYPES_ON -1
185 #define DEMO_DEBUG DBG_OFF
186 #define ETHARP_DEBUG DBG_OFF
187 #define NETIF_DEBUG DBG_OFF
188 #define PBUF_DEBUG DBG_OFF
189 #define API_LIB_DEBUG DBG_OFF
190 #define API_MSG_DEBUG DBG_ON
191 #define SOCKETS_DEBUG DBG_OFF
192 #define ICMP_DEBUG DBG_OFF
193 #define INET_DEBUG DBG_OFF
194 #define IP_DEBUG DBG_OFF
195 #define IP_REASS_DEBUG DBG_OFF
196 #define MEM_DEBUG DBG_OFF
197 #define MEMP_DEBUG DBG_OFF
198 #define SYS_DEBUG DBG_OFF
199 #define RAW_DEBUG DBG_OFF
200 #define TCP_DEBUG DBG_OFF
201 #define TCP_INPUT_DEBUG DBG_OFF
202 #define TCP_FR_DEBUG DBG_OFF
203 #define TCP_RTO_DEBUG DBG_OFF
204 #define TCP_REXMIT_DEBUG DBG_OFF
205 #define TCP_CWND_DEBUG DBG_OFF
206 #define TCP_WND_DEBUG DBG_OFF
207 #define TCP_OUTPUT_DEBUG DBG_OFF
208 #define TCP_RST_DEBUG DBG_OFF
209 #define TCP_QLEN_DEBUG DBG_OFF
210 #define UDP_DEBUG DBG_OFF
211 #define TCPIP_DEBUG DBG_OFF
212 #define PPP_DEBUG DBG_OFF
213 #define SLIP_DEBUG DBG_OFF
214 #define DHCP_DEBUG DBG_OFF
215 
216 #define DBG_MIN_LEVEL DBG_LEVEL_OFF
217 #endif
218 
219 
220 #endif /* __LWIPOPTS_H__ */
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