| /** |
| * @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_impl.h" |
| #include "lwip/snmp_msg.h" |
| #include "lwip/autoip.h" |
| #include "lwip/igmp.h" |
| #include "lwip/dns.h" |
| #include "lwip/timers.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 (!IP_SOF_BROADCAST && IP_SOF_BROADCAST_RECV) |
| #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" |
| #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_SNMP) |
| #error "If you want to use SNMP, 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_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_SND_QUEUELEN < 2)) |
| #error "TCP_SND_QUEUELEN must be at least 2 for no-copy TCP writes to work" |
| #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 (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 LWIP_TIMERS && (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 |
| #if (PBUF_POOL_BUFSIZE <= MEM_ALIGNMENT) |
| #error "PBUF_POOL_BUFSIZE must be greater than MEM_ALIGNMENT or the offset may take the full first pbuf" |
| #endif |
| #if (TCP_QUEUE_OOSEQ && !LWIP_TCP) |
| #error "TCP_QUEUE_OOSEQ requires LWIP_TCP" |
| #endif |
| #if (DNS_LOCAL_HOSTLIST && !DNS_LOCAL_HOSTLIST_IS_DYNAMIC && !(defined(DNS_LOCAL_HOSTLIST_INIT))) |
| #error "you have to define define DNS_LOCAL_HOSTLIST_INIT {{'host1', 0x123}, {'host2', 0x234}} to initialize DNS_LOCAL_HOSTLIST" |
| #endif |
| #if PPP_SUPPORT && !PPPOS_SUPPORT & !PPPOE_SUPPORT |
| #error "PPP_SUPPORT needs either PPPOS_SUPPORT or PPPOE_SUPPORT turned on" |
| #endif |
| #if !LWIP_ETHERNET && (LWIP_ARP || PPPOE_SUPPORT) |
| #error "LWIP_ETHERNET needs to be turned on for LWIP_ARP or PPPOE_SUPPORT" |
| #endif |
| #if LWIP_IGMP && !defined(LWIP_RAND) |
| #error "When using IGMP, LWIP_RAND() needs to be defined to a random-function returning an u32_t random value" |
| #endif |
| #if LWIP_TCPIP_CORE_LOCKING_INPUT && !LWIP_TCPIP_CORE_LOCKING |
| #error "When using LWIP_TCPIP_CORE_LOCKING_INPUT, LWIP_TCPIP_CORE_LOCKING must be enabled, too" |
| #endif |
| #if LWIP_TCP && LWIP_NETIF_TX_SINGLE_PBUF && !TCP_OVERSIZE |
| #error "LWIP_NETIF_TX_SINGLE_PBUF needs TCP_OVERSIZE enabled to create single-pbuf TCP packets" |
| #endif |
| #if IP_FRAG && IP_FRAG_USES_STATIC_BUF && LWIP_NETIF_TX_SINGLE_PBUF |
| #error "LWIP_NETIF_TX_SINGLE_PBUF does not work with IP_FRAG_USES_STATIC_BUF==1 as that creates pbuf queues" |
| #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 |
| |
| #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_BUF < 2 * TCP_MSS) |
| 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")); |
| 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 TCP_SND_BUF.\n")); |
| if (TCP_SNDQUEUELOWAT >= TCP_SND_QUEUELEN) |
| LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_SNDQUEUELOWAT must be less than TCP_SND_QUEUELEN.\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 */ |
| #if LWIP_SOCKET |
| /* Check that the SO_* socket options and SOF_* lwIP-internal flags match */ |
| if (SO_ACCEPTCONN != SOF_ACCEPTCONN) |
| LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: SO_ACCEPTCONN != SOF_ACCEPTCONN\n")); |
| if (SO_REUSEADDR != SOF_REUSEADDR) |
| LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: SO_REUSEADDR != SOF_REUSEADDR\n")); |
| if (SO_KEEPALIVE != SOF_KEEPALIVE) |
| LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: SO_KEEPALIVE != SOF_KEEPALIVE\n")); |
| if (SO_BROADCAST != SOF_BROADCAST) |
| LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: SO_BROADCAST != SOF_BROADCAST\n")); |
| if (SO_LINGER != SOF_LINGER) |
| LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: SO_LINGER != SOF_LINGER\n")); |
| #endif /* LWIP_SOCKET */ |
| } |
| #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(); |
| #if !NO_SYS |
| sys_init(); |
| #endif /* !NO_SYS */ |
| lwip_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_SNMP |
| snmp_init(); |
| #endif /* LWIP_SNMP */ |
| #if LWIP_AUTOIP |
| autoip_init(); |
| #endif /* LWIP_AUTOIP */ |
| #if LWIP_IGMP |
| igmp_init(); |
| #endif /* LWIP_IGMP */ |
| #if LWIP_DNS |
| dns_init(); |
| #endif /* LWIP_DNS */ |
| |
| #if LWIP_TIMERS |
| sys_timeouts_init(); |
| #endif /* LWIP_TIMERS */ |
| } |