Adam Green / EthernetInterface

Deprecated fork of old network stack source from github. Please use official library instead: https://mbed.org/users/mbed_official/code/EthernetInterface/

lwip/core/init.c@1:eadc868c2acf, 2013-10-26 (annotated)

Committer:
AdamGreen
Date:
Sat Oct 26 08:51:36 2013 +0000
Revision:
1:eadc868c2acf
Parent:
0:3b00827bb0b7 
Fix TCP checksum bug and stranded large TCP segments.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AdamGreen 0:3b00827bb0b7 1 /**
AdamGreen 0:3b00827bb0b7 2 * @file
AdamGreen 0:3b00827bb0b7 3 * Modules initialization
AdamGreen 0:3b00827bb0b7 4 *
AdamGreen 0:3b00827bb0b7 5 */
AdamGreen 0:3b00827bb0b7 6
AdamGreen 0:3b00827bb0b7 7 /*
AdamGreen 0:3b00827bb0b7 8 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
AdamGreen 0:3b00827bb0b7 9 * All rights reserved.
AdamGreen 0:3b00827bb0b7 10 *
AdamGreen 0:3b00827bb0b7 11 * Redistribution and use in source and binary forms, with or without modification,
AdamGreen 0:3b00827bb0b7 12 * are permitted provided that the following conditions are met:
AdamGreen 0:3b00827bb0b7 13 *
AdamGreen 0:3b00827bb0b7 14 * 1. Redistributions of source code must retain the above copyright notice,
AdamGreen 0:3b00827bb0b7 15 * this list of conditions and the following disclaimer.
AdamGreen 0:3b00827bb0b7 16 * 2. Redistributions in binary form must reproduce the above copyright notice,
AdamGreen 0:3b00827bb0b7 17 * this list of conditions and the following disclaimer in the documentation
AdamGreen 0:3b00827bb0b7 18 * and/or other materials provided with the distribution.
AdamGreen 0:3b00827bb0b7 19 * 3. The name of the author may not be used to endorse or promote products
AdamGreen 0:3b00827bb0b7 20 * derived from this software without specific prior written permission.
AdamGreen 0:3b00827bb0b7 21 *
AdamGreen 0:3b00827bb0b7 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
AdamGreen 0:3b00827bb0b7 23 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
AdamGreen 0:3b00827bb0b7 24 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
AdamGreen 0:3b00827bb0b7 25 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
AdamGreen 0:3b00827bb0b7 26 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
AdamGreen 0:3b00827bb0b7 27 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
AdamGreen 0:3b00827bb0b7 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
AdamGreen 0:3b00827bb0b7 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
AdamGreen 0:3b00827bb0b7 30 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
AdamGreen 0:3b00827bb0b7 31 * OF SUCH DAMAGE.
AdamGreen 0:3b00827bb0b7 32 *
AdamGreen 0:3b00827bb0b7 33 * This file is part of the lwIP TCP/IP stack.
AdamGreen 0:3b00827bb0b7 34 *
AdamGreen 0:3b00827bb0b7 35 * Author: Adam Dunkels <adam@sics.se>
AdamGreen 0:3b00827bb0b7 36 *
AdamGreen 0:3b00827bb0b7 37 */
AdamGreen 0:3b00827bb0b7 38
AdamGreen 0:3b00827bb0b7 39 #include "lwip/opt.h"
AdamGreen 0:3b00827bb0b7 40
AdamGreen 0:3b00827bb0b7 41 #include "lwip/init.h"
AdamGreen 0:3b00827bb0b7 42 #include "lwip/stats.h"
AdamGreen 0:3b00827bb0b7 43 #include "lwip/sys.h"
AdamGreen 0:3b00827bb0b7 44 #include "lwip/mem.h"
AdamGreen 0:3b00827bb0b7 45 #include "lwip/memp.h"
AdamGreen 0:3b00827bb0b7 46 #include "lwip/pbuf.h"
AdamGreen 0:3b00827bb0b7 47 #include "lwip/netif.h"
AdamGreen 0:3b00827bb0b7 48 #include "lwip/sockets.h"
AdamGreen 0:3b00827bb0b7 49 #include "lwip/ip.h"
AdamGreen 0:3b00827bb0b7 50 #include "lwip/raw.h"
AdamGreen 0:3b00827bb0b7 51 #include "lwip/udp.h"
AdamGreen 0:3b00827bb0b7 52 #include "lwip/tcp_impl.h"
AdamGreen 0:3b00827bb0b7 53 #include "lwip/snmp_msg.h"
AdamGreen 0:3b00827bb0b7 54 #include "lwip/autoip.h"
AdamGreen 0:3b00827bb0b7 55 #include "lwip/igmp.h"
AdamGreen 0:3b00827bb0b7 56 #include "lwip/dns.h"
AdamGreen 0:3b00827bb0b7 57 #include "lwip/timers.h"
AdamGreen 0:3b00827bb0b7 58 #include "netif/etharp.h"
AdamGreen 0:3b00827bb0b7 59
AdamGreen 0:3b00827bb0b7 60 /* Compile-time sanity checks for configuration errors.
AdamGreen 0:3b00827bb0b7 61 * These can be done independently of LWIP_DEBUG, without penalty.
AdamGreen 0:3b00827bb0b7 62 */
AdamGreen 0:3b00827bb0b7 63 #ifndef BYTE_ORDER
AdamGreen 0:3b00827bb0b7 64 #error "BYTE_ORDER is not defined, you have to define it in your cc.h"
AdamGreen 0:3b00827bb0b7 65 #endif
AdamGreen 0:3b00827bb0b7 66 #if (!IP_SOF_BROADCAST && IP_SOF_BROADCAST_RECV)
AdamGreen 0:3b00827bb0b7 67 #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"
AdamGreen 0:3b00827bb0b7 68 #endif
AdamGreen 0:3b00827bb0b7 69 #if (!LWIP_ARP && ARP_QUEUEING)
AdamGreen 0:3b00827bb0b7 70 #error "If you want to use ARP Queueing, you have to define LWIP_ARP=1 in your lwipopts.h"
AdamGreen 0:3b00827bb0b7 71 #endif
AdamGreen 0:3b00827bb0b7 72 #if (!LWIP_UDP && LWIP_UDPLITE)
AdamGreen 0:3b00827bb0b7 73 #error "If you want to use UDP Lite, you have to define LWIP_UDP=1 in your lwipopts.h"
AdamGreen 0:3b00827bb0b7 74 #endif
AdamGreen 0:3b00827bb0b7 75 #if (!LWIP_UDP && LWIP_SNMP)
AdamGreen 0:3b00827bb0b7 76 #error "If you want to use SNMP, you have to define LWIP_UDP=1 in your lwipopts.h"
AdamGreen 0:3b00827bb0b7 77 #endif
AdamGreen 0:3b00827bb0b7 78 #if (!LWIP_UDP && LWIP_DHCP)
AdamGreen 0:3b00827bb0b7 79 #error "If you want to use DHCP, you have to define LWIP_UDP=1 in your lwipopts.h"
AdamGreen 0:3b00827bb0b7 80 #endif
AdamGreen 0:3b00827bb0b7 81 #if (!LWIP_UDP && LWIP_IGMP)
AdamGreen 0:3b00827bb0b7 82 #error "If you want to use IGMP, you have to define LWIP_UDP=1 in your lwipopts.h"
AdamGreen 0:3b00827bb0b7 83 #endif
AdamGreen 0:3b00827bb0b7 84 #if (!LWIP_UDP && LWIP_SNMP)
AdamGreen 0:3b00827bb0b7 85 #error "If you want to use SNMP, you have to define LWIP_UDP=1 in your lwipopts.h"
AdamGreen 0:3b00827bb0b7 86 #endif
AdamGreen 0:3b00827bb0b7 87 #if (!LWIP_UDP && LWIP_DNS)
AdamGreen 0:3b00827bb0b7 88 #error "If you want to use DNS, you have to define LWIP_UDP=1 in your lwipopts.h"
AdamGreen 0:3b00827bb0b7 89 #endif
AdamGreen 0:3b00827bb0b7 90 #if (LWIP_ARP && ARP_QUEUEING && (MEMP_NUM_ARP_QUEUE<=0))
AdamGreen 0:3b00827bb0b7 91 #error "If you want to use ARP Queueing, you have to define MEMP_NUM_ARP_QUEUE>=1 in your lwipopts.h"
AdamGreen 0:3b00827bb0b7 92 #endif
AdamGreen 0:3b00827bb0b7 93 #if (LWIP_RAW && (MEMP_NUM_RAW_PCB<=0))
AdamGreen 0:3b00827bb0b7 94 #error "If you want to use RAW, you have to define MEMP_NUM_RAW_PCB>=1 in your lwipopts.h"
AdamGreen 0:3b00827bb0b7 95 #endif
AdamGreen 0:3b00827bb0b7 96 #if (LWIP_UDP && (MEMP_NUM_UDP_PCB<=0))
AdamGreen 0:3b00827bb0b7 97 #error "If you want to use UDP, you have to define MEMP_NUM_UDP_PCB>=1 in your lwipopts.h"
AdamGreen 0:3b00827bb0b7 98 #endif
AdamGreen 0:3b00827bb0b7 99 #if (LWIP_TCP && (MEMP_NUM_TCP_PCB<=0))
AdamGreen 0:3b00827bb0b7 100 #error "If you want to use TCP, you have to define MEMP_NUM_TCP_PCB>=1 in your lwipopts.h"
AdamGreen 0:3b00827bb0b7 101 #endif
AdamGreen 0:3b00827bb0b7 102 #if (LWIP_TCP && (TCP_WND > 0xffff))
AdamGreen 0:3b00827bb0b7 103 #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"
AdamGreen 0:3b00827bb0b7 104 #endif
AdamGreen 0:3b00827bb0b7 105 #if (LWIP_TCP && (TCP_SND_QUEUELEN > 0xffff))
AdamGreen 0:3b00827bb0b7 106 #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"
AdamGreen 0:3b00827bb0b7 107 #endif
AdamGreen 0:3b00827bb0b7 108 #if (LWIP_TCP && (TCP_SND_QUEUELEN < 2))
AdamGreen 0:3b00827bb0b7 109 #error "TCP_SND_QUEUELEN must be at least 2 for no-copy TCP writes to work"
AdamGreen 0:3b00827bb0b7 110 #endif
AdamGreen 0:3b00827bb0b7 111 #if (LWIP_TCP && ((TCP_MAXRTX > 12) || (TCP_SYNMAXRTX > 12)))
AdamGreen 0:3b00827bb0b7 112 #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"
AdamGreen 0:3b00827bb0b7 113 #endif
AdamGreen 0:3b00827bb0b7 114 #if (LWIP_TCP && TCP_LISTEN_BACKLOG && (TCP_DEFAULT_LISTEN_BACKLOG < 0) || (TCP_DEFAULT_LISTEN_BACKLOG > 0xff))
AdamGreen 0:3b00827bb0b7 115 #error "If you want to use TCP backlog, TCP_DEFAULT_LISTEN_BACKLOG must fit into an u8_t"
AdamGreen 0:3b00827bb0b7 116 #endif
AdamGreen 0:3b00827bb0b7 117 #if (LWIP_IGMP && (MEMP_NUM_IGMP_GROUP<=1))
AdamGreen 0:3b00827bb0b7 118 #error "If you want to use IGMP, you have to define MEMP_NUM_IGMP_GROUP>1 in your lwipopts.h"
AdamGreen 0:3b00827bb0b7 119 #endif
AdamGreen 0:3b00827bb0b7 120 #if (LWIP_NETIF_API && (NO_SYS==1))
AdamGreen 0:3b00827bb0b7 121 #error "If you want to use NETIF API, you have to define NO_SYS=0 in your lwipopts.h"
AdamGreen 0:3b00827bb0b7 122 #endif
AdamGreen 0:3b00827bb0b7 123 #if ((LWIP_SOCKET || LWIP_NETCONN) && (NO_SYS==1))
AdamGreen 0:3b00827bb0b7 124 #error "If you want to use Sequential API, you have to define NO_SYS=0 in your lwipopts.h"
AdamGreen 0:3b00827bb0b7 125 #endif
AdamGreen 0:3b00827bb0b7 126 #if ((LWIP_NETCONN || LWIP_SOCKET) && (MEMP_NUM_TCPIP_MSG_API<=0))
AdamGreen 0:3b00827bb0b7 127 #error "If you want to use Sequential API, you have to define MEMP_NUM_TCPIP_MSG_API>=1 in your lwipopts.h"
AdamGreen 0:3b00827bb0b7 128 #endif
AdamGreen 0:3b00827bb0b7 129 #if (!LWIP_NETCONN && LWIP_SOCKET)
AdamGreen 0:3b00827bb0b7 130 #error "If you want to use Socket API, you have to define LWIP_NETCONN=1 in your lwipopts.h"
AdamGreen 0:3b00827bb0b7 131 #endif
AdamGreen 0:3b00827bb0b7 132 #if (((!LWIP_DHCP) || (!LWIP_AUTOIP)) && LWIP_DHCP_AUTOIP_COOP)
AdamGreen 0:3b00827bb0b7 133 #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"
AdamGreen 0:3b00827bb0b7 134 #endif
AdamGreen 0:3b00827bb0b7 135 #if (((!LWIP_DHCP) || (!LWIP_ARP)) && DHCP_DOES_ARP_CHECK)
AdamGreen 0:3b00827bb0b7 136 #error "If you want to use DHCP ARP checking, you have to define LWIP_DHCP=1 and LWIP_ARP=1 in your lwipopts.h"
AdamGreen 0:3b00827bb0b7 137 #endif
AdamGreen 0:3b00827bb0b7 138 #if (!LWIP_ARP && LWIP_AUTOIP)
AdamGreen 0:3b00827bb0b7 139 #error "If you want to use AUTOIP, you have to define LWIP_ARP=1 in your lwipopts.h"
AdamGreen 0:3b00827bb0b7 140 #endif
AdamGreen 0:3b00827bb0b7 141 #if (LWIP_SNMP && (SNMP_CONCURRENT_REQUESTS<=0))
AdamGreen 0:3b00827bb0b7 142 #error "If you want to use SNMP, you have to define SNMP_CONCURRENT_REQUESTS>=1 in your lwipopts.h"
AdamGreen 0:3b00827bb0b7 143 #endif
AdamGreen 0:3b00827bb0b7 144 #if (LWIP_SNMP && (SNMP_TRAP_DESTINATIONS<=0))
AdamGreen 0:3b00827bb0b7 145 #error "If you want to use SNMP, you have to define SNMP_TRAP_DESTINATIONS>=1 in your lwipopts.h"
AdamGreen 0:3b00827bb0b7 146 #endif
AdamGreen 0:3b00827bb0b7 147 #if (LWIP_TCP && ((LWIP_EVENT_API && LWIP_CALLBACK_API) || (!LWIP_EVENT_API && !LWIP_CALLBACK_API)))
AdamGreen 0:3b00827bb0b7 148 #error "One and exactly one of LWIP_EVENT_API and LWIP_CALLBACK_API has to be enabled in your lwipopts.h"
AdamGreen 0:3b00827bb0b7 149 #endif
AdamGreen 0:3b00827bb0b7 150 /* There must be sufficient timeouts, taking into account requirements of the subsystems. */
AdamGreen 0:3b00827bb0b7 151 #if LWIP_TIMERS && (MEMP_NUM_SYS_TIMEOUT < (LWIP_TCP + IP_REASSEMBLY + LWIP_ARP + (2*LWIP_DHCP) + LWIP_AUTOIP + LWIP_IGMP + LWIP_DNS + PPP_SUPPORT))
AdamGreen 0:3b00827bb0b7 152 #error "MEMP_NUM_SYS_TIMEOUT is too low to accomodate all required timeouts"
AdamGreen 0:3b00827bb0b7 153 #endif
AdamGreen 0:3b00827bb0b7 154 #if (IP_REASSEMBLY && (MEMP_NUM_REASSDATA > IP_REASS_MAX_PBUFS))
AdamGreen 0:3b00827bb0b7 155 #error "MEMP_NUM_REASSDATA > IP_REASS_MAX_PBUFS doesn't make sense since each struct ip_reassdata must hold 2 pbufs at least!"
AdamGreen 0:3b00827bb0b7 156 #endif
AdamGreen 0:3b00827bb0b7 157 #if (MEM_LIBC_MALLOC && MEM_USE_POOLS)
AdamGreen 0:3b00827bb0b7 158 #error "MEM_LIBC_MALLOC and MEM_USE_POOLS may not both be simultaneously enabled in your lwipopts.h"
AdamGreen 0:3b00827bb0b7 159 #endif
AdamGreen 0:3b00827bb0b7 160 #if (MEM_USE_POOLS && !MEMP_USE_CUSTOM_POOLS)
AdamGreen 0:3b00827bb0b7 161 #error "MEM_USE_POOLS requires custom pools (MEMP_USE_CUSTOM_POOLS) to be enabled in your lwipopts.h"
AdamGreen 0:3b00827bb0b7 162 #endif
AdamGreen 0:3b00827bb0b7 163 #if (PBUF_POOL_BUFSIZE <= MEM_ALIGNMENT)
AdamGreen 0:3b00827bb0b7 164 #error "PBUF_POOL_BUFSIZE must be greater than MEM_ALIGNMENT or the offset may take the full first pbuf"
AdamGreen 0:3b00827bb0b7 165 #endif
AdamGreen 0:3b00827bb0b7 166 #if (TCP_QUEUE_OOSEQ && !LWIP_TCP)
AdamGreen 0:3b00827bb0b7 167 #error "TCP_QUEUE_OOSEQ requires LWIP_TCP"
AdamGreen 0:3b00827bb0b7 168 #endif
AdamGreen 0:3b00827bb0b7 169 #if (DNS_LOCAL_HOSTLIST && !DNS_LOCAL_HOSTLIST_IS_DYNAMIC && !(defined(DNS_LOCAL_HOSTLIST_INIT)))
AdamGreen 0:3b00827bb0b7 170 #error "you have to define define DNS_LOCAL_HOSTLIST_INIT {{'host1', 0x123}, {'host2', 0x234}} to initialize DNS_LOCAL_HOSTLIST"
AdamGreen 0:3b00827bb0b7 171 #endif
AdamGreen 0:3b00827bb0b7 172 #if PPP_SUPPORT && !PPPOS_SUPPORT & !PPPOE_SUPPORT
AdamGreen 0:3b00827bb0b7 173 #error "PPP_SUPPORT needs either PPPOS_SUPPORT or PPPOE_SUPPORT turned on"
AdamGreen 0:3b00827bb0b7 174 #endif
AdamGreen 0:3b00827bb0b7 175 #if !LWIP_ETHERNET && (LWIP_ARP || PPPOE_SUPPORT)
AdamGreen 0:3b00827bb0b7 176 #error "LWIP_ETHERNET needs to be turned on for LWIP_ARP or PPPOE_SUPPORT"
AdamGreen 0:3b00827bb0b7 177 #endif
AdamGreen 0:3b00827bb0b7 178 #if LWIP_IGMP && !defined(LWIP_RAND)
AdamGreen 0:3b00827bb0b7 179 #error "When using IGMP, LWIP_RAND() needs to be defined to a random-function returning an u32_t random value"
AdamGreen 0:3b00827bb0b7 180 #endif
AdamGreen 0:3b00827bb0b7 181 #if LWIP_TCPIP_CORE_LOCKING_INPUT && !LWIP_TCPIP_CORE_LOCKING
AdamGreen 0:3b00827bb0b7 182 #error "When using LWIP_TCPIP_CORE_LOCKING_INPUT, LWIP_TCPIP_CORE_LOCKING must be enabled, too"
AdamGreen 0:3b00827bb0b7 183 #endif
AdamGreen 0:3b00827bb0b7 184 #if LWIP_TCP && LWIP_NETIF_TX_SINGLE_PBUF && !TCP_OVERSIZE
AdamGreen 0:3b00827bb0b7 185 #error "LWIP_NETIF_TX_SINGLE_PBUF needs TCP_OVERSIZE enabled to create single-pbuf TCP packets"
AdamGreen 0:3b00827bb0b7 186 #endif
AdamGreen 0:3b00827bb0b7 187 #if IP_FRAG && IP_FRAG_USES_STATIC_BUF && LWIP_NETIF_TX_SINGLE_PBUF
AdamGreen 0:3b00827bb0b7 188 #error "LWIP_NETIF_TX_SINGLE_PBUF does not work with IP_FRAG_USES_STATIC_BUF==1 as that creates pbuf queues"
AdamGreen 0:3b00827bb0b7 189 #endif
AdamGreen 0:3b00827bb0b7 190
AdamGreen 0:3b00827bb0b7 191
AdamGreen 0:3b00827bb0b7 192 /* Compile-time checks for deprecated options.
AdamGreen 0:3b00827bb0b7 193 */
AdamGreen 0:3b00827bb0b7 194 #ifdef MEMP_NUM_TCPIP_MSG
AdamGreen 0:3b00827bb0b7 195 #error "MEMP_NUM_TCPIP_MSG option is deprecated. Remove it from your lwipopts.h."
AdamGreen 0:3b00827bb0b7 196 #endif
AdamGreen 0:3b00827bb0b7 197 #ifdef MEMP_NUM_API_MSG
AdamGreen 0:3b00827bb0b7 198 #error "MEMP_NUM_API_MSG option is deprecated. Remove it from your lwipopts.h."
AdamGreen 0:3b00827bb0b7 199 #endif
AdamGreen 0:3b00827bb0b7 200 #ifdef TCP_REXMIT_DEBUG
AdamGreen 0:3b00827bb0b7 201 #error "TCP_REXMIT_DEBUG option is deprecated. Remove it from your lwipopts.h."
AdamGreen 0:3b00827bb0b7 202 #endif
AdamGreen 0:3b00827bb0b7 203 #ifdef RAW_STATS
AdamGreen 0:3b00827bb0b7 204 #error "RAW_STATS option is deprecated. Remove it from your lwipopts.h."
AdamGreen 0:3b00827bb0b7 205 #endif
AdamGreen 0:3b00827bb0b7 206 #ifdef ETHARP_QUEUE_FIRST
AdamGreen 0:3b00827bb0b7 207 #error "ETHARP_QUEUE_FIRST option is deprecated. Remove it from your lwipopts.h."
AdamGreen 0:3b00827bb0b7 208 #endif
AdamGreen 0:3b00827bb0b7 209 #ifdef ETHARP_ALWAYS_INSERT
AdamGreen 0:3b00827bb0b7 210 #error "ETHARP_ALWAYS_INSERT option is deprecated. Remove it from your lwipopts.h."
AdamGreen 0:3b00827bb0b7 211 #endif
AdamGreen 0:3b00827bb0b7 212
AdamGreen 0:3b00827bb0b7 213 #ifdef LWIP_DEBUG
AdamGreen 0:3b00827bb0b7 214 static void
AdamGreen 0:3b00827bb0b7 215 lwip_sanity_check(void)
AdamGreen 0:3b00827bb0b7 216 {
AdamGreen 0:3b00827bb0b7 217 /* Warnings */
AdamGreen 0:3b00827bb0b7 218 #if LWIP_NETCONN
AdamGreen 0:3b00827bb0b7 219 if (MEMP_NUM_NETCONN > (MEMP_NUM_TCP_PCB+MEMP_NUM_TCP_PCB_LISTEN+MEMP_NUM_UDP_PCB+MEMP_NUM_RAW_PCB))
AdamGreen 0:3b00827bb0b7 220 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"));
AdamGreen 0:3b00827bb0b7 221 #endif /* LWIP_NETCONN */
AdamGreen 0:3b00827bb0b7 222 #if LWIP_TCP
AdamGreen 0:3b00827bb0b7 223 if (MEMP_NUM_TCP_SEG < TCP_SND_QUEUELEN)
AdamGreen 0:3b00827bb0b7 224 LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: MEMP_NUM_TCP_SEG should be at least as big as TCP_SND_QUEUELEN\n"));
AdamGreen 0:3b00827bb0b7 225 if (TCP_SND_BUF < 2 * TCP_MSS)
AdamGreen 0:3b00827bb0b7 226 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"));
AdamGreen 0:3b00827bb0b7 227 if (TCP_SND_QUEUELEN < (2 * (TCP_SND_BUF/TCP_MSS)))
AdamGreen 0:3b00827bb0b7 228 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"));
AdamGreen 0:3b00827bb0b7 229 if (TCP_SNDLOWAT >= TCP_SND_BUF)
AdamGreen 0:3b00827bb0b7 230 LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_SNDLOWAT must be less than TCP_SND_BUF.\n"));
AdamGreen 0:3b00827bb0b7 231 if (TCP_SNDQUEUELOWAT >= TCP_SND_QUEUELEN)
AdamGreen 0:3b00827bb0b7 232 LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_SNDQUEUELOWAT must be less than TCP_SND_QUEUELEN.\n"));
AdamGreen 0:3b00827bb0b7 233 if (TCP_WND > (PBUF_POOL_SIZE*PBUF_POOL_BUFSIZE))
AdamGreen 0:3b00827bb0b7 234 LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_WND is larger than space provided by PBUF_POOL_SIZE*PBUF_POOL_BUFSIZE\n"));
AdamGreen 0:3b00827bb0b7 235 if (TCP_WND < TCP_MSS)
AdamGreen 0:3b00827bb0b7 236 LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_WND is smaller than MSS\n"));
AdamGreen 0:3b00827bb0b7 237 #endif /* LWIP_TCP */
AdamGreen 0:3b00827bb0b7 238 #if LWIP_SOCKET
AdamGreen 0:3b00827bb0b7 239 /* Check that the SO_* socket options and SOF_* lwIP-internal flags match */
AdamGreen 0:3b00827bb0b7 240 if (SO_ACCEPTCONN != SOF_ACCEPTCONN)
AdamGreen 0:3b00827bb0b7 241 LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: SO_ACCEPTCONN != SOF_ACCEPTCONN\n"));
AdamGreen 0:3b00827bb0b7 242 if (SO_REUSEADDR != SOF_REUSEADDR)
AdamGreen 0:3b00827bb0b7 243 LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: SO_REUSEADDR != SOF_REUSEADDR\n"));
AdamGreen 0:3b00827bb0b7 244 if (SO_KEEPALIVE != SOF_KEEPALIVE)
AdamGreen 0:3b00827bb0b7 245 LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: SO_KEEPALIVE != SOF_KEEPALIVE\n"));
AdamGreen 0:3b00827bb0b7 246 if (SO_BROADCAST != SOF_BROADCAST)
AdamGreen 0:3b00827bb0b7 247 LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: SO_BROADCAST != SOF_BROADCAST\n"));
AdamGreen 0:3b00827bb0b7 248 if (SO_LINGER != SOF_LINGER)
AdamGreen 0:3b00827bb0b7 249 LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: SO_LINGER != SOF_LINGER\n"));
AdamGreen 0:3b00827bb0b7 250 #endif /* LWIP_SOCKET */
AdamGreen 0:3b00827bb0b7 251 }
AdamGreen 0:3b00827bb0b7 252 #else /* LWIP_DEBUG */
AdamGreen 0:3b00827bb0b7 253 #define lwip_sanity_check()
AdamGreen 0:3b00827bb0b7 254 #endif /* LWIP_DEBUG */
AdamGreen 0:3b00827bb0b7 255
AdamGreen 0:3b00827bb0b7 256 /**
AdamGreen 0:3b00827bb0b7 257 * Perform Sanity check of user-configurable values, and initialize all modules.
AdamGreen 0:3b00827bb0b7 258 */
AdamGreen 0:3b00827bb0b7 259 void
AdamGreen 0:3b00827bb0b7 260 lwip_init(void)
AdamGreen 0:3b00827bb0b7 261 {
AdamGreen 0:3b00827bb0b7 262 /* Sanity check user-configurable values */
AdamGreen 0:3b00827bb0b7 263 lwip_sanity_check();
AdamGreen 0:3b00827bb0b7 264
AdamGreen 0:3b00827bb0b7 265 /* Modules initialization */
AdamGreen 0:3b00827bb0b7 266 stats_init();
AdamGreen 0:3b00827bb0b7 267 #if !NO_SYS
AdamGreen 0:3b00827bb0b7 268 sys_init();
AdamGreen 0:3b00827bb0b7 269 #endif /* !NO_SYS */
AdamGreen 0:3b00827bb0b7 270 mem_init();
AdamGreen 0:3b00827bb0b7 271 memp_init();
AdamGreen 0:3b00827bb0b7 272 pbuf_init();
AdamGreen 0:3b00827bb0b7 273 netif_init();
AdamGreen 0:3b00827bb0b7 274 #if LWIP_SOCKET
AdamGreen 0:3b00827bb0b7 275 lwip_socket_init();
AdamGreen 0:3b00827bb0b7 276 #endif /* LWIP_SOCKET */
AdamGreen 0:3b00827bb0b7 277 ip_init();
AdamGreen 0:3b00827bb0b7 278 #if LWIP_ARP
AdamGreen 0:3b00827bb0b7 279 etharp_init();
AdamGreen 0:3b00827bb0b7 280 #endif /* LWIP_ARP */
AdamGreen 0:3b00827bb0b7 281 #if LWIP_RAW
AdamGreen 0:3b00827bb0b7 282 raw_init();
AdamGreen 0:3b00827bb0b7 283 #endif /* LWIP_RAW */
AdamGreen 0:3b00827bb0b7 284 #if LWIP_UDP
AdamGreen 0:3b00827bb0b7 285 udp_init();
AdamGreen 0:3b00827bb0b7 286 #endif /* LWIP_UDP */
AdamGreen 0:3b00827bb0b7 287 #if LWIP_TCP
AdamGreen 0:3b00827bb0b7 288 tcp_init();
AdamGreen 0:3b00827bb0b7 289 #endif /* LWIP_TCP */
AdamGreen 0:3b00827bb0b7 290 #if LWIP_SNMP
AdamGreen 0:3b00827bb0b7 291 snmp_init();
AdamGreen 0:3b00827bb0b7 292 #endif /* LWIP_SNMP */
AdamGreen 0:3b00827bb0b7 293 #if LWIP_AUTOIP
AdamGreen 0:3b00827bb0b7 294 autoip_init();
AdamGreen 0:3b00827bb0b7 295 #endif /* LWIP_AUTOIP */
AdamGreen 0:3b00827bb0b7 296 #if LWIP_IGMP
AdamGreen 0:3b00827bb0b7 297 igmp_init();
AdamGreen 0:3b00827bb0b7 298 #endif /* LWIP_IGMP */
AdamGreen 0:3b00827bb0b7 299 #if LWIP_DNS
AdamGreen 0:3b00827bb0b7 300 dns_init();
AdamGreen 0:3b00827bb0b7 301 #endif /* LWIP_DNS */
AdamGreen 0:3b00827bb0b7 302
AdamGreen 0:3b00827bb0b7 303 #if LWIP_TIMERS
AdamGreen 0:3b00827bb0b7 304 sys_timeouts_init();
AdamGreen 0:3b00827bb0b7 305 #endif /* LWIP_TIMERS */
AdamGreen 0:3b00827bb0b7 306 }