ReactOS 0.4.16-dev-2-g02a6913
init.c
Go to the documentation of this file.
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
285void
286lwip_init(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
327 sys_timeouts_init();
328#endif /* LWIP_TIMERS */
329}
tcp_init
STREAM tcp_init(uint32 maxlen)
Definition: tcp.c:82
lwip_init
void lwip_init(void)
Definition: init.c:286
mem_init
void mem_init(void)
Definition: mem.c:274
ip_init
#define ip_init()
Definition: ip.h:174
memp_init
void memp_init(void)
Definition: memp.c:338
netif_init
void netif_init(void)
Definition: netif.c:106
pbuf_init
#define pbuf_init()
Definition: pbuf.h:144
snmp_msg.h
stats_init
#define stats_init()
Definition: stats.h:161
sys_init
void sys_init(void)
Definition: sys_arch.c:305
tcp_impl.h
sys_timeouts_init
void sys_timeouts_init(void)