/** | |
* @file | |
* Modules initialization | |
* | |
*/ | |
/* | |
* Copyright (c) 2001-2004 Swedish Institute of Computer Science. | |
* All rights reserved. | |
* | |
* Redistribution and use in source and binary forms, with or without modification, | |
* are permitted provided that the following conditions are met: | |
* | |
* 1. Redistributions of source code must retain the above copyright notice, | |
* this list of conditions and the following disclaimer. | |
* 2. Redistributions in binary form must reproduce the above copyright notice, | |
* this list of conditions and the following disclaimer in the documentation | |
* and/or other materials provided with the distribution. | |
* 3. The name of the author may not be used to endorse or promote products | |
* derived from this software without specific prior written permission. | |
* | |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT | |
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT | |
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY | |
* OF SUCH DAMAGE. | |
* | |
* This file is part of the lwIP TCP/IP stack. | |
* | |
* Author: Adam Dunkels <adam@sics.se> | |
* | |
*/ | |
#include "lwip/opt.h" | |
#include "lwip/init.h" | |
#include "lwip/stats.h" | |
#include "lwip/sys.h" | |
#include "lwip/mem.h" | |
#include "lwip/memp.h" | |
#include "lwip/pbuf.h" | |
#include "lwip/netif.h" | |
#include "lwip/sockets.h" | |
#include "lwip/ip.h" | |
#include "lwip/raw.h" | |
#include "lwip/udp.h" | |
#include "lwip/tcp.h" | |
#include "lwip/autoip.h" | |
#include "lwip/igmp.h" | |
#include "lwip/dns.h" | |
#include "netif/etharp.h" | |
/* Compile-time sanity checks for configuration errors. | |
* These can be done independently of LWIP_DEBUG, without penalty. | |
*/ | |
#ifndef BYTE_ORDER | |
#error "BYTE_ORDER is not defined, you have to define it in your cc.h" | |
#endif | |
#if (!LWIP_ARP && ARP_QUEUEING) | |
#error "If you want to use ARP Queueing, you have to define LWIP_ARP=1 in your lwipopts.h" | |
#endif | |
#if (!LWIP_UDP && LWIP_UDPLITE) | |
#error "If you want to use UDP Lite, you have to define LWIP_UDP=1 in your lwipopts.h" | |
#endif | |
#if (!LWIP_UDP && LWIP_SNMP) | |
#error "If you want to use SNMP, you have to define LWIP_UDP=1 in your lwipopts.h" | |
#endif | |
#if (!LWIP_UDP && LWIP_DHCP) | |
#error "If you want to use DHCP, you have to define LWIP_UDP=1 in your lwipopts.h" | |
#endif | |
#if (!LWIP_UDP && LWIP_IGMP) | |
#error "If you want to use IGMP, you have to define LWIP_UDP=1 in your lwipopts.h" | |
#endif | |
#if (!LWIP_UDP && LWIP_DNS) | |
#error "If you want to use DNS, you have to define LWIP_UDP=1 in your lwipopts.h" | |
#endif | |
#if (LWIP_ARP && (ARP_TABLE_SIZE > 0x7f)) | |
#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" | |
#endif | |
#if (LWIP_ARP && ARP_QUEUEING && (MEMP_NUM_ARP_QUEUE<=0)) | |
#error "If you want to use ARP Queueing, you have to define MEMP_NUM_ARP_QUEUE>=1 in your lwipopts.h" | |
#endif | |
#if (LWIP_RAW && (MEMP_NUM_RAW_PCB<=0)) | |
#error "If you want to use RAW, you have to define MEMP_NUM_RAW_PCB>=1 in your lwipopts.h" | |
#endif | |
#if (LWIP_UDP && (MEMP_NUM_UDP_PCB<=0)) | |
#error "If you want to use UDP, you have to define MEMP_NUM_UDP_PCB>=1 in your lwipopts.h" | |
#endif | |
#if (LWIP_TCP && (MEMP_NUM_TCP_PCB<=0)) | |
#error "If you want to use TCP, you have to define MEMP_NUM_TCP_PCB>=1 in your lwipopts.h" | |
#endif | |
#if (LWIP_TCP && (TCP_WND > 0xffff)) | |
#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" | |
#endif | |
#if (LWIP_TCP && (TCP_SND_QUEUELEN > 0xffff)) | |
#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" | |
#endif | |
#if (LWIP_TCP && ((TCP_MAXRTX > 12) || (TCP_SYNMAXRTX > 12))) | |
#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" | |
#endif | |
#if (LWIP_TCP && TCP_LISTEN_BACKLOG && (TCP_DEFAULT_LISTEN_BACKLOG < 0) || (TCP_DEFAULT_LISTEN_BACKLOG > 0xff)) | |
#error "If you want to use TCP backlog, TCP_DEFAULT_LISTEN_BACKLOG must fit into an u8_t" | |
#endif | |
#if (LWIP_IGMP && (MEMP_NUM_IGMP_GROUP<=1)) | |
#error "If you want to use IGMP, you have to define MEMP_NUM_IGMP_GROUP>1 in your lwipopts.h" | |
#endif | |
#if (PPP_SUPPORT && (NO_SYS==1)) | |
#error "If you want to use PPP, you have to define NO_SYS=0 in your lwipopts.h" | |
#endif | |
#if (LWIP_NETIF_API && (NO_SYS==1)) | |
#error "If you want to use NETIF API, you have to define NO_SYS=0 in your lwipopts.h" | |
#endif | |
#if ((LWIP_SOCKET || LWIP_NETCONN) && (NO_SYS==1)) | |
#error "If you want to use Sequential API, you have to define NO_SYS=0 in your lwipopts.h" | |
#endif | |
#if ((LWIP_NETCONN || LWIP_SOCKET) && (MEMP_NUM_TCPIP_MSG_API<=0)) | |
#error "If you want to use Sequential API, you have to define MEMP_NUM_TCPIP_MSG_API>=1 in your lwipopts.h" | |
#endif | |
#if (!LWIP_NETCONN && LWIP_SOCKET) | |
#error "If you want to use Socket API, you have to define LWIP_NETCONN=1 in your lwipopts.h" | |
#endif | |
#if (((!LWIP_DHCP) || (!LWIP_AUTOIP)) && LWIP_DHCP_AUTOIP_COOP) | |
#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" | |
#endif | |
#if (((!LWIP_DHCP) || (!LWIP_ARP)) && DHCP_DOES_ARP_CHECK) | |
#error "If you want to use DHCP ARP checking, you have to define LWIP_DHCP=1 and LWIP_ARP=1 in your lwipopts.h" | |
#endif | |
#if (!LWIP_ARP && LWIP_AUTOIP) | |
#error "If you want to use AUTOIP, you have to define LWIP_ARP=1 in your lwipopts.h" | |
#endif | |
#if (LWIP_SNMP && (SNMP_CONCURRENT_REQUESTS<=0)) | |
#error "If you want to use SNMP, you have to define SNMP_CONCURRENT_REQUESTS>=1 in your lwipopts.h" | |
#endif | |
#if (LWIP_SNMP && (SNMP_TRAP_DESTINATIONS<=0)) | |
#error "If you want to use SNMP, you have to define SNMP_TRAP_DESTINATIONS>=1 in your lwipopts.h" | |
#endif | |
#if (LWIP_TCP && ((LWIP_EVENT_API && LWIP_CALLBACK_API) || (!LWIP_EVENT_API && !LWIP_CALLBACK_API))) | |
#error "One and exactly one of LWIP_EVENT_API and LWIP_CALLBACK_API has to be enabled in your lwipopts.h" | |
#endif | |
/* There must be sufficient timeouts, taking into account requirements of the subsystems. */ | |
#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))) | |
#error "MEMP_NUM_SYS_TIMEOUT is too low to accomodate all required timeouts" | |
#endif | |
#if (IP_REASSEMBLY && (MEMP_NUM_REASSDATA > IP_REASS_MAX_PBUFS)) | |
#error "MEMP_NUM_REASSDATA > IP_REASS_MAX_PBUFS doesn't make sense since each struct ip_reassdata must hold 2 pbufs at least!" | |
#endif | |
#if (MEM_LIBC_MALLOC && MEM_USE_POOLS) | |
#error "MEM_LIBC_MALLOC and MEM_USE_POOLS may not both be simultaneously enabled in your lwipopts.h" | |
#endif | |
#if (MEM_USE_POOLS && !MEMP_USE_CUSTOM_POOLS) | |
#error "MEM_USE_POOLS requires custom pools (MEMP_USE_CUSTOM_POOLS) to be enabled in your lwipopts.h" | |
#endif | |
/* Compile-time checks for deprecated options. | |
*/ | |
#ifdef MEMP_NUM_TCPIP_MSG | |
#error "MEMP_NUM_TCPIP_MSG option is deprecated. Remove it from your lwipopts.h." | |
#endif | |
#ifdef MEMP_NUM_API_MSG | |
#error "MEMP_NUM_API_MSG option is deprecated. Remove it from your lwipopts.h." | |
#endif | |
#ifdef TCP_REXMIT_DEBUG | |
#error "TCP_REXMIT_DEBUG option is deprecated. Remove it from your lwipopts.h." | |
#endif | |
#ifdef RAW_STATS | |
#error "RAW_STATS option is deprecated. Remove it from your lwipopts.h." | |
#endif | |
#ifdef ETHARP_QUEUE_FIRST | |
#error "ETHARP_QUEUE_FIRST option is deprecated. Remove it from your lwipopts.h." | |
#endif | |
#ifdef ETHARP_ALWAYS_INSERT | |
#error "ETHARP_ALWAYS_INSERT option is deprecated. Remove it from your lwipopts.h." | |
#endif | |
#if SO_REUSE | |
/* I removed the lot since this was an ugly hack. It broke the raw-API. | |
It also came with many ugly goto's, Christiaan Simons. */ | |
#error "SO_REUSE currently unavailable, this was a hack" | |
#endif | |
#ifdef LWIP_DEBUG | |
static void | |
lwip_sanity_check(void) | |
{ | |
/* Warnings */ | |
#if LWIP_NETCONN | |
if (MEMP_NUM_NETCONN > (MEMP_NUM_TCP_PCB+MEMP_NUM_TCP_PCB_LISTEN+MEMP_NUM_UDP_PCB+MEMP_NUM_RAW_PCB)) | |
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")); | |
#endif /* LWIP_NETCONN */ | |
#if LWIP_TCP | |
if (MEMP_NUM_TCP_SEG < TCP_SND_QUEUELEN) | |
LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: MEMP_NUM_TCP_SEG should be at least as big as TCP_SND_QUEUELEN\n")); | |
if (TCP_SND_QUEUELEN < (2 * (TCP_SND_BUF/TCP_MSS))) | |
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")); | |
if (TCP_SNDLOWAT > TCP_SND_BUF) | |
LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_SNDLOWAT must be less than or equal to TCP_SND_BUF.\n")); | |
if (TCP_WND > (PBUF_POOL_SIZE*PBUF_POOL_BUFSIZE)) | |
LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_WND is larger than space provided by PBUF_POOL_SIZE*PBUF_POOL_BUFSIZE\n")); | |
if (TCP_WND < TCP_MSS) | |
LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_WND is smaller than MSS\n")); | |
#endif /* LWIP_TCP */ | |
} | |
#else /* LWIP_DEBUG */ | |
#define lwip_sanity_check() | |
#endif /* LWIP_DEBUG */ | |
/** | |
* Perform Sanity check of user-configurable values, and initialize all modules. | |
*/ | |
void | |
lwip_init(void) | |
{ | |
/* Sanity check user-configurable values */ | |
lwip_sanity_check(); | |
/* Modules initialization */ | |
stats_init(); | |
sys_init(); | |
mem_init(); | |
memp_init(); | |
pbuf_init(); | |
netif_init(); | |
#if LWIP_SOCKET | |
lwip_socket_init(); | |
#endif /* LWIP_SOCKET */ | |
ip_init(); | |
#if LWIP_ARP | |
etharp_init(); | |
#endif /* LWIP_ARP */ | |
#if LWIP_RAW | |
raw_init(); | |
#endif /* LWIP_RAW */ | |
#if LWIP_UDP | |
udp_init(); | |
#endif /* LWIP_UDP */ | |
#if LWIP_TCP | |
tcp_init(); | |
#endif /* LWIP_TCP */ | |
#if LWIP_AUTOIP | |
autoip_init(); | |
#endif /* LWIP_AUTOIP */ | |
#if LWIP_IGMP | |
igmp_init(); | |
#endif /* LWIP_IGMP */ | |
#if LWIP_DNS | |
dns_init(); | |
#endif /* LWIP_DNS */ | |
} |