source: arduino-1-6-7/trunk/fuentes/arduino-ide-amd64/hardware/arduino/avr/firmwares/wifishield/wifiHD/src/SOFTWARE_FRAMEWORK/SERVICES/LWIP/lwip-1.3.2/src/core/init.c @ 4837

Last change on this file since 4837 was 4837, checked in by daduve, 2 years ago

Adding new version

File size: 11.1 KB
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1/* This source file is part of the ATMEL AVR-UC3-SoftwareFramework-1.7.0 Release */
2
3/**
4 * @file
5 * Modules initialization
6 *
7 */
8
9/*
10 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
11 * All rights reserved.
12 *
13 * Redistribution and use in source and binary forms, with or without modification,
14 * are permitted provided that the following conditions are met:
15 *
16 * 1. Redistributions of source code must retain the above copyright notice,
17 *    this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright notice,
19 *    this list of conditions and the following disclaimer in the documentation
20 *    and/or other materials provided with the distribution.
21 * 3. The name of the author may not be used to endorse or promote products
22 *    derived from this software without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
25 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
26 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
27 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
28 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
29 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
32 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
33 * OF SUCH DAMAGE.
34 *
35 * This file is part of the lwIP TCP/IP stack.
36 *
37 * Author: Adam Dunkels <adam@sics.se>
38 *
39 */
40
41#include "lwip/opt.h"
42
43#include "lwip/init.h"
44#include "lwip/stats.h"
45#include "lwip/sys.h"
46#include "lwip/mem.h"
47#include "lwip/memp.h"
48#include "lwip/pbuf.h"
49#include "lwip/netif.h"
50#include "lwip/sockets.h"
51#include "lwip/ip.h"
52#include "lwip/raw.h"
53#include "lwip/udp.h"
54#include "lwip/tcp.h"
55#include "lwip/snmp_msg.h"
56#include "lwip/autoip.h"
57#include "lwip/igmp.h"
58#include "lwip/dns.h"
59#include "netif/etharp.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_ARP && ARP_QUEUEING)
71  #error "If you want to use ARP Queueing, you have to define LWIP_ARP=1 in your lwipopts.h"
72#endif
73#if (!LWIP_UDP && LWIP_UDPLITE)
74  #error "If you want to use UDP Lite, you have to define LWIP_UDP=1 in your lwipopts.h"
75#endif
76#if (!LWIP_UDP && LWIP_SNMP)
77  #error "If you want to use SNMP, you have to define LWIP_UDP=1 in your lwipopts.h"
78#endif
79#if (!LWIP_UDP && LWIP_DHCP)
80  #error "If you want to use DHCP, you have to define LWIP_UDP=1 in your lwipopts.h"
81#endif
82#if (!LWIP_UDP && LWIP_IGMP)
83  #error "If you want to use IGMP, you have to define LWIP_UDP=1 in your lwipopts.h"
84#endif
85#if (!LWIP_UDP && LWIP_DNS)
86  #error "If you want to use DNS, you have to define LWIP_UDP=1 in your lwipopts.h"
87#endif
88#if (LWIP_ARP && (ARP_TABLE_SIZE > 0x7f))
89  #error "If you want to use ARP, ARP_TABLE_SIZE must fit in an s8_t, so, you have to reduce it in your lwipopts.h"
90#endif
91#if (LWIP_ARP && ARP_QUEUEING && (MEMP_NUM_ARP_QUEUE<=0))
92  #error "If you want to use ARP Queueing, you have to define MEMP_NUM_ARP_QUEUE>=1 in your lwipopts.h"
93#endif
94#if (LWIP_RAW && (MEMP_NUM_RAW_PCB<=0))
95  #error "If you want to use RAW, you have to define MEMP_NUM_RAW_PCB>=1 in your lwipopts.h"
96#endif
97#if (LWIP_UDP && (MEMP_NUM_UDP_PCB<=0))
98  #error "If you want to use UDP, you have to define MEMP_NUM_UDP_PCB>=1 in your lwipopts.h"
99#endif
100#if (LWIP_TCP && (MEMP_NUM_TCP_PCB<=0))
101  #error "If you want to use TCP, you have to define MEMP_NUM_TCP_PCB>=1 in your lwipopts.h"
102#endif
103#if (LWIP_TCP && (TCP_WND > 0xffff))
104  #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"
105#endif
106#if (LWIP_TCP && (TCP_SND_QUEUELEN > 0xffff))
107  #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"
108#endif
109#if (LWIP_TCP && ((TCP_MAXRTX > 12) || (TCP_SYNMAXRTX > 12)))
110  #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"
111#endif
112#if (LWIP_TCP && TCP_LISTEN_BACKLOG && (TCP_DEFAULT_LISTEN_BACKLOG < 0) || (TCP_DEFAULT_LISTEN_BACKLOG > 0xff))
113  #error "If you want to use TCP backlog, TCP_DEFAULT_LISTEN_BACKLOG must fit into an u8_t"
114#endif
115#if (LWIP_IGMP && (MEMP_NUM_IGMP_GROUP<=1))
116  #error "If you want to use IGMP, you have to define MEMP_NUM_IGMP_GROUP>1 in your lwipopts.h"
117#endif
118#if (PPP_SUPPORT && (NO_SYS==1))
119  #error "If you want to use PPP, you have to define NO_SYS=0 in your lwipopts.h"
120#endif
121#if (LWIP_NETIF_API && (NO_SYS==1))
122  #error "If you want to use NETIF API, you have to define NO_SYS=0 in your lwipopts.h"
123#endif
124#if ((LWIP_SOCKET || LWIP_NETCONN) && (NO_SYS==1))
125  #error "If you want to use Sequential API, you have to define NO_SYS=0 in your lwipopts.h"
126#endif
127#if ((LWIP_NETCONN || LWIP_SOCKET) && (MEMP_NUM_TCPIP_MSG_API<=0))
128  #error "If you want to use Sequential API, you have to define MEMP_NUM_TCPIP_MSG_API>=1 in your lwipopts.h"
129#endif
130#if (!LWIP_NETCONN && LWIP_SOCKET)
131  #error "If you want to use Socket API, you have to define LWIP_NETCONN=1 in your lwipopts.h"
132#endif
133#if (((!LWIP_DHCP) || (!LWIP_AUTOIP)) && LWIP_DHCP_AUTOIP_COOP)
134  #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"
135#endif
136#if (((!LWIP_DHCP) || (!LWIP_ARP)) && DHCP_DOES_ARP_CHECK)
137  #error "If you want to use DHCP ARP checking, you have to define LWIP_DHCP=1 and LWIP_ARP=1 in your lwipopts.h"
138#endif
139#if (!LWIP_ARP && LWIP_AUTOIP)
140  #error "If you want to use AUTOIP, you have to define LWIP_ARP=1 in your lwipopts.h"
141#endif
142#if (LWIP_SNMP && (SNMP_CONCURRENT_REQUESTS<=0))
143  #error "If you want to use SNMP, you have to define SNMP_CONCURRENT_REQUESTS>=1 in your lwipopts.h"
144#endif
145#if (LWIP_SNMP && (SNMP_TRAP_DESTINATIONS<=0))
146  #error "If you want to use SNMP, you have to define SNMP_TRAP_DESTINATIONS>=1 in your lwipopts.h"
147#endif
148#if (LWIP_TCP && ((LWIP_EVENT_API && LWIP_CALLBACK_API) || (!LWIP_EVENT_API && !LWIP_CALLBACK_API)))
149  #error "One and exactly one of LWIP_EVENT_API and LWIP_CALLBACK_API has to be enabled in your lwipopts.h"
150#endif
151/* There must be sufficient timeouts, taking into account requirements of the subsystems. */
152#if ((NO_SYS==0) && (MEMP_NUM_SYS_TIMEOUT < (LWIP_TCP + IP_REASSEMBLY + LWIP_ARP + (2*LWIP_DHCP) + LWIP_AUTOIP + LWIP_IGMP + LWIP_DNS + PPP_SUPPORT)))
153  #error "MEMP_NUM_SYS_TIMEOUT is too low to accomodate all required timeouts"
154#endif
155#if (IP_REASSEMBLY && (MEMP_NUM_REASSDATA > IP_REASS_MAX_PBUFS))
156  #error "MEMP_NUM_REASSDATA > IP_REASS_MAX_PBUFS doesn't make sense since each struct ip_reassdata must hold 2 pbufs at least!"
157#endif
158#if (MEM_LIBC_MALLOC && MEM_USE_POOLS)
159  #error "MEM_LIBC_MALLOC and MEM_USE_POOLS may not both be simultaneously enabled in your lwipopts.h"
160#endif
161#if (MEM_USE_POOLS && !MEMP_USE_CUSTOM_POOLS)
162  #error "MEM_USE_POOLS requires custom pools (MEMP_USE_CUSTOM_POOLS) to be enabled in your lwipopts.h"
163#endif
164#if (PBUF_POOL_BUFSIZE <= MEM_ALIGNMENT)
165  #error "PBUF_POOL_BUFSIZE must be greater than MEM_ALIGNMENT or the offset may take the full first pbuf"
166#endif
167#if (TCP_QUEUE_OOSEQ && !LWIP_TCP)
168  #error "TCP_QUEUE_OOSEQ requires LWIP_TCP"
169#endif
170#if (DNS_LOCAL_HOSTLIST && !DNS_LOCAL_HOSTLIST_IS_DYNAMIC && !(defined(DNS_LOCAL_HOSTLIST_INIT)))
171  #error "you have to define define DNS_LOCAL_HOSTLIST_INIT {{'host1', 0x123}, {'host2', 0x234}} to initialize DNS_LOCAL_HOSTLIST"
172#endif
173#if PPP_SUPPORT && !PPPOS_SUPPORT & !PPPOE_SUPPORT
174  #error "PPP_SUPPORT needs either PPPOS_SUPPORT or PPPOE_SUPPORT turned on"
175#endif
176
177
178/* Compile-time checks for deprecated options.
179 */
180#ifdef MEMP_NUM_TCPIP_MSG
181  #error "MEMP_NUM_TCPIP_MSG option is deprecated. Remove it from your lwipopts.h."
182#endif
183#ifdef MEMP_NUM_API_MSG
184  #error "MEMP_NUM_API_MSG option is deprecated. Remove it from your lwipopts.h."
185#endif
186#ifdef TCP_REXMIT_DEBUG
187  #error "TCP_REXMIT_DEBUG option is deprecated. Remove it from your lwipopts.h."
188#endif
189#ifdef RAW_STATS
190  #error "RAW_STATS option is deprecated. Remove it from your lwipopts.h."
191#endif
192#ifdef ETHARP_QUEUE_FIRST
193  #error "ETHARP_QUEUE_FIRST option is deprecated. Remove it from your lwipopts.h."
194#endif
195#ifdef ETHARP_ALWAYS_INSERT
196  #error "ETHARP_ALWAYS_INSERT option is deprecated. Remove it from your lwipopts.h."
197#endif
198#if SO_REUSE
199/* I removed the lot since this was an ugly hack. It broke the raw-API.
200   It also came with many ugly goto's, Christiaan Simons. */
201  #error "SO_REUSE currently unavailable, this was a hack"
202#endif
203
204#ifdef LWIP_DEBUG
205static void
206lwip_sanity_check(void)
207{
208  /* Warnings */
209#if LWIP_NETCONN
210  if (MEMP_NUM_NETCONN > (MEMP_NUM_TCP_PCB+MEMP_NUM_TCP_PCB_LISTEN+MEMP_NUM_UDP_PCB+MEMP_NUM_RAW_PCB))
211    LWIP_PLATFORM_DIAG(("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\n"));
212#endif /* LWIP_NETCONN */
213#if LWIP_TCP
214  if (MEMP_NUM_TCP_SEG < TCP_SND_QUEUELEN)
215    LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: MEMP_NUM_TCP_SEG should be at least as big as TCP_SND_QUEUELEN\n"));
216  if (TCP_SND_BUF < 2 * TCP_MSS)
217    LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_SND_BUF must be at least as much as (2 * TCP_MSS) for things to work smoothly\n"));
218  if (TCP_SND_QUEUELEN < (2 * (TCP_SND_BUF/TCP_MSS)))
219    LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_SND_QUEUELEN must be at least as much as (2 * TCP_SND_BUF/TCP_MSS) for things to work\n"));
220  if (TCP_SNDLOWAT > TCP_SND_BUF)
221    LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_SNDLOWAT must be less than or equal to TCP_SND_BUF.\n"));
222  if (TCP_WND > (PBUF_POOL_SIZE*PBUF_POOL_BUFSIZE))
223    LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_WND is larger than space provided by PBUF_POOL_SIZE*PBUF_POOL_BUFSIZE\n"));
224  if (TCP_WND < TCP_MSS)
225    LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_WND is smaller than MSS\n"));
226#endif /* LWIP_TCP */
227}
228#else  /* LWIP_DEBUG */
229#define lwip_sanity_check()
230#endif /* LWIP_DEBUG */
231
232/**
233 * Perform Sanity check of user-configurable values, and initialize all modules.
234 */
235void
236lwip_init(void)
237{
238  /* Sanity check user-configurable values */
239  lwip_sanity_check();
240
241  /* Modules initialization */
242  stats_init();
243  sys_init();
244  mem_init();
245  memp_init();
246  pbuf_init();
247  netif_init();
248#if LWIP_SOCKET
249  lwip_socket_init();
250#endif /* LWIP_SOCKET */
251  ip_init();
252#if LWIP_ARP
253  etharp_init();
254#endif /* LWIP_ARP */
255#if LWIP_RAW
256  raw_init();
257#endif /* LWIP_RAW */
258#if LWIP_UDP
259  udp_init();
260#endif /* LWIP_UDP */
261#if LWIP_TCP
262  tcp_init();
263#endif /* LWIP_TCP */
264#if LWIP_SNMP
265  snmp_init();
266#endif /* LWIP_SNMP */
267#if LWIP_AUTOIP
268  autoip_init();
269#endif /* LWIP_AUTOIP */
270#if LWIP_IGMP
271  igmp_init();
272#endif /* LWIP_IGMP */
273#if LWIP_DNS
274  dns_init();
275#endif /* LWIP_DNS */
276}
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