ReactOS  0.4.14-dev-115-g4576127
init.c
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1 
7 /*
8  * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without modification,
12  * are permitted provided that the following conditions are met:
13  *
14  * 1. Redistributions of source code must retain the above copyright notice,
15  * this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright notice,
17  * this list of conditions and the following disclaimer in the documentation
18  * and/or other materials provided with the distribution.
19  * 3. The name of the author may not be used to endorse or promote products
20  * derived from this software without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
23  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
24  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
25  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
26  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
27  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
30  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
31  * OF SUCH DAMAGE.
32  *
33  * This file is part of the lwIP TCP/IP stack.
34  *
35  * Author: Adam Dunkels <adam@sics.se>
36  *
37  */
38 
39 #include "lwip/opt.h"
40 
41 #include "lwip/init.h"
42 #include "lwip/stats.h"
43 #include "lwip/sys.h"
44 #include "lwip/mem.h"
45 #include "lwip/memp.h"
46 #include "lwip/pbuf.h"
47 #include "lwip/netif.h"
48 #include "lwip/sockets.h"
49 #include "lwip/ip.h"
50 #include "lwip/raw.h"
51 #include "lwip/udp.h"
52 #include "lwip/tcp_impl.h"
53 #include "lwip/snmp_msg.h"
54 #include "lwip/autoip.h"
55 #include "lwip/igmp.h"
56 #include "lwip/dns.h"
57 #include "lwip/timers.h"
58 #include "netif/etharp.h"
59 #include "lwip/api.h"
60 
61 /* Compile-time sanity checks for configuration errors.
62  * These can be done independently of LWIP_DEBUG, without penalty.
63  */
64 #ifndef BYTE_ORDER
65  #error "BYTE_ORDER is not defined, you have to define it in your cc.h"
66 #endif
67 #if (!IP_SOF_BROADCAST && IP_SOF_BROADCAST_RECV)
68  #error "If you want to use broadcast filter per pcb on recv operations, you have to define IP_SOF_BROADCAST=1 in your lwipopts.h"
69 #endif
70 #if (!LWIP_UDP && LWIP_UDPLITE)
71  #error "If you want to use UDP Lite, you have to define LWIP_UDP=1 in your lwipopts.h"
72 #endif
73 #if (!LWIP_UDP && LWIP_DHCP)
74  #error "If you want to use DHCP, you have to define LWIP_UDP=1 in your lwipopts.h"
75 #endif
76 #if (!LWIP_UDP && LWIP_IGMP)
77  #error "If you want to use IGMP, you have to define LWIP_UDP=1 in your lwipopts.h"
78 #endif
79 #if (!LWIP_UDP && LWIP_SNMP)
80  #error "If you want to use SNMP, you have to define LWIP_UDP=1 in your lwipopts.h"
81 #endif
82 #if (!LWIP_UDP && LWIP_DNS)
83  #error "If you want to use DNS, you have to define LWIP_UDP=1 in your lwipopts.h"
84 #endif
85 #if !MEMP_MEM_MALLOC /* MEMP_NUM_* checks are disabled when not using the pool allocator */
86 #if (LWIP_ARP && ARP_QUEUEING && (MEMP_NUM_ARP_QUEUE<=0))
87  #error "If you want to use ARP Queueing, you have to define MEMP_NUM_ARP_QUEUE>=1 in your lwipopts.h"
88 #endif
89 #if (LWIP_RAW && (MEMP_NUM_RAW_PCB<=0))
90  #error "If you want to use RAW, you have to define MEMP_NUM_RAW_PCB>=1 in your lwipopts.h"
91 #endif
92 #if (LWIP_UDP && (MEMP_NUM_UDP_PCB<=0))
93  #error "If you want to use UDP, you have to define MEMP_NUM_UDP_PCB>=1 in your lwipopts.h"
94 #endif
95 #if (LWIP_TCP && (MEMP_NUM_TCP_PCB<=0))
96  #error "If you want to use TCP, you have to define MEMP_NUM_TCP_PCB>=1 in your lwipopts.h"
97 #endif
98 #if (LWIP_IGMP && (MEMP_NUM_IGMP_GROUP<=1))
99  #error "If you want to use IGMP, you have to define MEMP_NUM_IGMP_GROUP>1 in your lwipopts.h"
100 #endif
101 #if ((LWIP_NETCONN || LWIP_SOCKET) && (MEMP_NUM_TCPIP_MSG_API<=0))
102  #error "If you want to use Sequential API, you have to define MEMP_NUM_TCPIP_MSG_API>=1 in your lwipopts.h"
103 #endif
104 /* There must be sufficient timeouts, taking into account requirements of the subsystems. */
105 #if LWIP_TIMERS && (MEMP_NUM_SYS_TIMEOUT < (LWIP_TCP + IP_REASSEMBLY + LWIP_ARP + (2*LWIP_DHCP) + LWIP_AUTOIP + LWIP_IGMP + LWIP_DNS + PPP_SUPPORT))
106  #error "MEMP_NUM_SYS_TIMEOUT is too low to accomodate all required timeouts"
107 #endif
108 #if (IP_REASSEMBLY && (MEMP_NUM_REASSDATA > IP_REASS_MAX_PBUFS))
109  #error "MEMP_NUM_REASSDATA > IP_REASS_MAX_PBUFS doesn't make sense since each struct ip_reassdata must hold 2 pbufs at least!"
110 #endif
111 #endif /* !MEMP_MEM_MALLOC */
112 #if (LWIP_TCP && (TCP_WND > 0xffff))
113  #error "If you want to use TCP, TCP_WND must fit in an u16_t, so, you have to reduce it in your lwipopts.h"
114 #endif
115 #if (LWIP_TCP && (TCP_SND_QUEUELEN > 0xffff))
116  #error "If you want to use TCP, TCP_SND_QUEUELEN must fit in an u16_t, so, you have to reduce it in your lwipopts.h"
117 #endif
118 #if (LWIP_TCP && (TCP_SND_QUEUELEN < 2))
119  #error "TCP_SND_QUEUELEN must be at least 2 for no-copy TCP writes to work"
120 #endif
121 #if (LWIP_TCP && ((TCP_MAXRTX > 12) || (TCP_SYNMAXRTX > 12)))
122  #error "If you want to use TCP, TCP_MAXRTX and TCP_SYNMAXRTX must less or equal to 12 (due to tcp_backoff table), so, you have to reduce them in your lwipopts.h"
123 #endif
124 #if (LWIP_TCP && TCP_LISTEN_BACKLOG && ((TCP_DEFAULT_LISTEN_BACKLOG < 0) || (TCP_DEFAULT_LISTEN_BACKLOG > 0xff)))
125  #error "If you want to use TCP backlog, TCP_DEFAULT_LISTEN_BACKLOG must fit into an u8_t"
126 #endif
127 #if (LWIP_NETIF_API && (NO_SYS==1))
128  #error "If you want to use NETIF API, you have to define NO_SYS=0 in your lwipopts.h"
129 #endif
130 #if ((LWIP_SOCKET || LWIP_NETCONN) && (NO_SYS==1))
131  #error "If you want to use Sequential API, you have to define NO_SYS=0 in your lwipopts.h"
132 #endif
133 #if (!LWIP_NETCONN && LWIP_SOCKET)
134  #error "If you want to use Socket API, you have to define LWIP_NETCONN=1 in your lwipopts.h"
135 #endif
136 #if (((!LWIP_DHCP) || (!LWIP_AUTOIP)) && LWIP_DHCP_AUTOIP_COOP)
137  #error "If you want to use DHCP/AUTOIP cooperation mode, you have to define LWIP_DHCP=1 and LWIP_AUTOIP=1 in your lwipopts.h"
138 #endif
139 #if (((!LWIP_DHCP) || (!LWIP_ARP)) && DHCP_DOES_ARP_CHECK)
140  #error "If you want to use DHCP ARP checking, you have to define LWIP_DHCP=1 and LWIP_ARP=1 in your lwipopts.h"
141 #endif
142 #if (!LWIP_ARP && LWIP_AUTOIP)
143  #error "If you want to use AUTOIP, you have to define LWIP_ARP=1 in your lwipopts.h"
144 #endif
145 #if (LWIP_SNMP && (SNMP_CONCURRENT_REQUESTS<=0))
146  #error "If you want to use SNMP, you have to define SNMP_CONCURRENT_REQUESTS>=1 in your lwipopts.h"
147 #endif
148 #if (LWIP_SNMP && (SNMP_TRAP_DESTINATIONS<=0))
149  #error "If you want to use SNMP, you have to define SNMP_TRAP_DESTINATIONS>=1 in your lwipopts.h"
150 #endif
151 #if (LWIP_TCP && ((LWIP_EVENT_API && LWIP_CALLBACK_API) || (!LWIP_EVENT_API && !LWIP_CALLBACK_API)))
152  #error "One and exactly one of LWIP_EVENT_API and LWIP_CALLBACK_API has to be enabled in your lwipopts.h"
153 #endif
154 #if (MEM_LIBC_MALLOC && MEM_USE_POOLS)
155  #error "MEM_LIBC_MALLOC and MEM_USE_POOLS may not both be simultaneously enabled in your lwipopts.h"
156 #endif
157 #if (MEM_USE_POOLS && !MEMP_USE_CUSTOM_POOLS)
158  #error "MEM_USE_POOLS requires custom pools (MEMP_USE_CUSTOM_POOLS) to be enabled in your lwipopts.h"
159 #endif
160 #if (PBUF_POOL_BUFSIZE <= MEM_ALIGNMENT)
161  #error "PBUF_POOL_BUFSIZE must be greater than MEM_ALIGNMENT or the offset may take the full first pbuf"
162 #endif
163 #if (DNS_LOCAL_HOSTLIST && !DNS_LOCAL_HOSTLIST_IS_DYNAMIC && !(defined(DNS_LOCAL_HOSTLIST_INIT)))
164  #error "you have to define define DNS_LOCAL_HOSTLIST_INIT {{'host1', 0x123}, {'host2', 0x234}} to initialize DNS_LOCAL_HOSTLIST"
165 #endif
166 #if PPP_SUPPORT && !PPPOS_SUPPORT && !PPPOE_SUPPORT
167  #error "PPP_SUPPORT needs either PPPOS_SUPPORT or PPPOE_SUPPORT turned on"
168 #endif
169 #if !LWIP_ETHERNET && (LWIP_ARP || PPPOE_SUPPORT)
170  #error "LWIP_ETHERNET needs to be turned on for LWIP_ARP or PPPOE_SUPPORT"
171 #endif
172 #if LWIP_IGMP && !defined(LWIP_RAND)
173  #error "When using IGMP, LWIP_RAND() needs to be defined to a random-function returning an u32_t random value"
174 #endif
175 #if LWIP_TCPIP_CORE_LOCKING_INPUT && !LWIP_TCPIP_CORE_LOCKING
176  #error "When using LWIP_TCPIP_CORE_LOCKING_INPUT, LWIP_TCPIP_CORE_LOCKING must be enabled, too"
177 #endif
178 #if LWIP_TCP && LWIP_NETIF_TX_SINGLE_PBUF && !TCP_OVERSIZE
179  #error "LWIP_NETIF_TX_SINGLE_PBUF needs TCP_OVERSIZE enabled to create single-pbuf TCP packets"
180 #endif
181 #if IP_FRAG && IP_FRAG_USES_STATIC_BUF && LWIP_NETIF_TX_SINGLE_PBUF
182  #error "LWIP_NETIF_TX_SINGLE_PBUF does not work with IP_FRAG_USES_STATIC_BUF==1 as that creates pbuf queues"
183 #endif
184 #if LWIP_NETCONN && LWIP_TCP
185 #if NETCONN_COPY != TCP_WRITE_FLAG_COPY
186  #error "NETCONN_COPY != TCP_WRITE_FLAG_COPY"
187 #endif
188 #if NETCONN_MORE != TCP_WRITE_FLAG_MORE
189  #error "NETCONN_MORE != TCP_WRITE_FLAG_MORE"
190 #endif
191 #endif /* LWIP_NETCONN && LWIP_TCP */
192 #if LWIP_SOCKET
193 /* Check that the SO_* socket options and SOF_* lwIP-internal flags match */
194 #if SO_ACCEPTCONN != SOF_ACCEPTCONN
195  #error "SO_ACCEPTCONN != SOF_ACCEPTCONN"
196 #endif
197 #if SO_REUSEADDR != SOF_REUSEADDR
198  #error "WARNING: SO_REUSEADDR != SOF_REUSEADDR"
199 #endif
200 #if SO_KEEPALIVE != SOF_KEEPALIVE
201  #error "WARNING: SO_KEEPALIVE != SOF_KEEPALIVE"
202 #endif
203 #if SO_BROADCAST != SOF_BROADCAST
204  #error "WARNING: SO_BROADCAST != SOF_BROADCAST"
205 #endif
206 #if SO_LINGER != SOF_LINGER
207  #error "WARNING: SO_LINGER != SOF_LINGER"
208 #endif
209 #endif /* LWIP_SOCKET */
210 
211 
212 /* Compile-time checks for deprecated options.
213  */
214 #ifdef MEMP_NUM_TCPIP_MSG
215  #error "MEMP_NUM_TCPIP_MSG option is deprecated. Remove it from your lwipopts.h."
216 #endif
217 #ifdef MEMP_NUM_API_MSG
218  #error "MEMP_NUM_API_MSG option is deprecated. Remove it from your lwipopts.h."
219 #endif
220 #ifdef TCP_REXMIT_DEBUG
221  #error "TCP_REXMIT_DEBUG option is deprecated. Remove it from your lwipopts.h."
222 #endif
223 #ifdef RAW_STATS
224  #error "RAW_STATS option is deprecated. Remove it from your lwipopts.h."
225 #endif
226 #ifdef ETHARP_QUEUE_FIRST
227  #error "ETHARP_QUEUE_FIRST option is deprecated. Remove it from your lwipopts.h."
228 #endif
229 #ifdef ETHARP_ALWAYS_INSERT
230  #error "ETHARP_ALWAYS_INSERT option is deprecated. Remove it from your lwipopts.h."
231 #endif
232 
233 #ifndef LWIP_DISABLE_TCP_SANITY_CHECKS
234 #define LWIP_DISABLE_TCP_SANITY_CHECKS 0
235 #endif
236 #ifndef LWIP_DISABLE_MEMP_SANITY_CHECKS
237 #define LWIP_DISABLE_MEMP_SANITY_CHECKS 0
238 #endif
239 
240 /* MEMP sanity checks */
241 #if !LWIP_DISABLE_MEMP_SANITY_CHECKS
242 #if LWIP_NETCONN
243 #if MEMP_MEM_MALLOC
244 #if !MEMP_NUM_NETCONN && LWIP_SOCKET
245 #error "lwip_sanity_check: WARNING: MEMP_NUM_NETCONN cannot be 0 when using sockets!"
246 #endif
247 #else /* MEMP_MEM_MALLOC */
248 #if MEMP_NUM_NETCONN > (MEMP_NUM_TCP_PCB+MEMP_NUM_TCP_PCB_LISTEN+MEMP_NUM_UDP_PCB+MEMP_NUM_RAW_PCB)
249 #error "lwip_sanity_check: WARNING: MEMP_NUM_NETCONN should be less than the sum of MEMP_NUM_{TCP,RAW,UDP}_PCB+MEMP_NUM_TCP_PCB_LISTEN. If you know what you are doing, define LWIP_DISABLE_MEMP_SANITY_CHECKS to 1 to disable this error."
250 #endif
251 #endif /* MEMP_MEM_MALLOC */
252 #endif /* LWIP_NETCONN */
253 #endif /* !LWIP_DISABLE_MEMP_SANITY_CHECKS */
254 
255 /* TCP sanity checks */
256 #if !LWIP_DISABLE_TCP_SANITY_CHECKS
257 #if LWIP_TCP
258 #if !MEMP_MEM_MALLOC && (MEMP_NUM_TCP_SEG < TCP_SND_QUEUELEN)
259  #error "lwip_sanity_check: WARNING: MEMP_NUM_TCP_SEG should be at least as big as TCP_SND_QUEUELEN. If you know what you are doing, define LWIP_DISABLE_TCP_SANITY_CHECKS to 1 to disable this error."
260 #endif
261 #if TCP_SND_BUF < (2 * TCP_MSS)
262  #error "lwip_sanity_check: WARNING: TCP_SND_BUF must be at least as much as (2 * TCP_MSS) for things to work smoothly. If you know what you are doing, define LWIP_DISABLE_TCP_SANITY_CHECKS to 1 to disable this error."
263 #endif
264 #if TCP_SND_QUEUELEN < (2 * (TCP_SND_BUF / TCP_MSS))
265  #error "lwip_sanity_check: WARNING: TCP_SND_QUEUELEN must be at least as much as (2 * TCP_SND_BUF/TCP_MSS) for things to work. If you know what you are doing, define LWIP_DISABLE_TCP_SANITY_CHECKS to 1 to disable this error."
266 #endif
267 #if TCP_SNDLOWAT >= TCP_SND_BUF
268  #error "lwip_sanity_check: WARNING: TCP_SNDLOWAT must be less than TCP_SND_BUF. If you know what you are doing, define LWIP_DISABLE_TCP_SANITY_CHECKS to 1 to disable this error."
269 #endif
270 #if TCP_SNDQUEUELOWAT >= TCP_SND_QUEUELEN
271  #error "lwip_sanity_check: WARNING: TCP_SNDQUEUELOWAT must be less than TCP_SND_QUEUELEN. If you know what you are doing, define LWIP_DISABLE_TCP_SANITY_CHECKS to 1 to disable this error."
272 #endif
273 #if !MEMP_MEM_MALLOC && (TCP_WND > (PBUF_POOL_SIZE * (PBUF_POOL_BUFSIZE - (PBUF_LINK_HLEN + PBUF_IP_HLEN + PBUF_TRANSPORT_HLEN))))
274  #error "lwip_sanity_check: WARNING: TCP_WND is larger than space provided by PBUF_POOL_SIZE * (PBUF_POOL_BUFSIZE - protocol headers). If you know what you are doing, define LWIP_DISABLE_TCP_SANITY_CHECKS to 1 to disable this error."
275 #endif
276 #if TCP_WND < TCP_MSS
277  #error "lwip_sanity_check: WARNING: TCP_WND is smaller than MSS. If you know what you are doing, define LWIP_DISABLE_TCP_SANITY_CHECKS to 1 to disable this error."
278 #endif
279 #endif /* LWIP_TCP */
280 #endif /* !LWIP_DISABLE_TCP_SANITY_CHECKS */
281 
285 void
287 {
288  /* Modules initialization */
289  stats_init();
290 #if !NO_SYS
291  sys_init();
292 #endif /* !NO_SYS */
293  mem_init();
294  memp_init();
295  pbuf_init();
296  netif_init();
297 #if LWIP_SOCKET
298  lwip_socket_init();
299 #endif /* LWIP_SOCKET */
300  ip_init();
301 #if LWIP_ARP
302  etharp_init();
303 #endif /* LWIP_ARP */
304 #if LWIP_RAW
305  raw_init();
306 #endif /* LWIP_RAW */
307 #if LWIP_UDP
308  udp_init();
309 #endif /* LWIP_UDP */
310 #if LWIP_TCP
311  tcp_init();
312 #endif /* LWIP_TCP */
313 #if LWIP_SNMP
314  snmp_init();
315 #endif /* LWIP_SNMP */
316 #if LWIP_AUTOIP
317  autoip_init();
318 #endif /* LWIP_AUTOIP */
319 #if LWIP_IGMP
320  igmp_init();
321 #endif /* LWIP_IGMP */
322 #if LWIP_DNS
323  dns_init();
324 #endif /* LWIP_DNS */
325 
326 #if LWIP_TIMERS
328 #endif /* LWIP_TIMERS */
329 }
void mem_init(void)
Definition: mem.c:274
#define pbuf_init()
Definition: pbuf.h:144
void netif_init(void)
Definition: netif.c:106
STREAM tcp_init(uint32 maxlen)
Definition: tcp.c:82
void lwip_init(void)
Definition: init.c:286
void memp_init(void)
Definition: memp.c:338
void sys_timeouts_init(void)
#define stats_init()
Definition: stats.h:161
#define ip_init()
Definition: ip.h:174
void sys_init(void)
Definition: sys_arch.c:310