| 1 | /**
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| 2 | * @file
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| 3 | * Modules initialization
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| 4 | *
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| 5 | */
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| 6 |
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| 7 | /*
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| 8 | * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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| 9 | * All rights reserved.
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| 10 | *
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| 11 | * Redistribution and use in source and binary forms, with or without modification,
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| 12 | * are permitted provided that the following conditions are met:
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| 13 | *
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| 14 | * 1. Redistributions of source code must retain the above copyright notice,
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| 15 | * this list of conditions and the following disclaimer.
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| 16 | * 2. Redistributions in binary form must reproduce the above copyright notice,
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| 17 | * this list of conditions and the following disclaimer in the documentation
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| 18 | * and/or other materials provided with the distribution.
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| 19 | * 3. The name of the author may not be used to endorse or promote products
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| 20 | * derived from this software without specific prior written permission.
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| 21 | *
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| 22 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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| 23 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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| 24 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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| 25 | * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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| 26 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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| 27 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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| 28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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| 29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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| 30 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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| 31 | * OF SUCH DAMAGE.
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| 32 | *
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| 33 | * This file is part of the lwIP TCP/IP stack.
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| 34 | *
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| 35 | * Author: Adam Dunkels <adam@sics.se>
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| 36 | */
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| 37 |
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| 38 | #include "lwip/opt.h"
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| 39 |
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| 40 | #include "lwip/init.h"
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| 41 | #include "lwip/stats.h"
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| 42 | #include "lwip/sys.h"
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| 43 | #include "lwip/mem.h"
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| 44 | #include "lwip/memp.h"
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| 45 | #include "lwip/pbuf.h"
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| 46 | #include "lwip/netif.h"
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| 47 | #include "lwip/sockets.h"
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| 48 | #include "lwip/ip.h"
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| 49 | #include "lwip/raw.h"
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| 50 | #include "lwip/udp.h"
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| 51 | #include "lwip/priv/tcp_priv.h"
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| 52 | #include "lwip/igmp.h"
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| 53 | #include "lwip/dns.h"
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| 54 | #include "lwip/timeouts.h"
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| 55 | #include "lwip/etharp.h"
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| 56 | #include "lwip/ip6.h"
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| 57 | #include "lwip/nd6.h"
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| 58 | #include "lwip/mld6.h"
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| 59 | #include "lwip/api.h"
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| 60 |
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| 61 | #include "netif/ppp/ppp_opts.h"
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| 62 | #include "netif/ppp/ppp_impl.h"
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| 63 |
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| 64 | #ifndef LWIP_SKIP_PACKING_CHECK
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| 65 |
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| 66 | #ifdef PACK_STRUCT_USE_INCLUDES
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| 67 | # include "arch/bpstruct.h"
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| 68 | #endif
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| 69 | PACK_STRUCT_BEGIN
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| 70 | struct packed_struct_test {
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| 71 | PACK_STRUCT_FLD_8(u8_t dummy1);
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| 72 | PACK_STRUCT_FIELD(u32_t dummy2);
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| 73 | } PACK_STRUCT_STRUCT;
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| 74 | PACK_STRUCT_END
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| 75 | #ifdef PACK_STRUCT_USE_INCLUDES
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| 76 | # include "arch/epstruct.h"
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| 77 | #endif
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| 78 | #define PACKED_STRUCT_TEST_EXPECTED_SIZE 5
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| 79 |
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| 80 | #endif
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| 81 |
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| 82 | /* Compile-time sanity checks for configuration errors.
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| 83 | * These can be done independently of LWIP_DEBUG, without penalty.
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| 84 | */
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| 85 | #ifndef BYTE_ORDER
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| 86 | #error "BYTE_ORDER is not defined, you have to define it in your cc.h"
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| 87 | #endif
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| 88 | #if (!IP_SOF_BROADCAST && IP_SOF_BROADCAST_RECV)
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| 89 | #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"
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| 90 | #endif
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| 91 | #if (!LWIP_UDP && LWIP_UDPLITE)
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| 92 | #error "If you want to use UDP Lite, you have to define LWIP_UDP=1 in your lwipopts.h"
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| 93 | #endif
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| 94 | #if (!LWIP_UDP && LWIP_DHCP)
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| 95 | #error "If you want to use DHCP, you have to define LWIP_UDP=1 in your lwipopts.h"
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| 96 | #endif
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| 97 | #if (!LWIP_UDP && !LWIP_RAW && LWIP_MULTICAST_TX_OPTIONS)
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| 98 | #error "If you want to use LWIP_MULTICAST_TX_OPTIONS, you have to define LWIP_UDP=1 and/or LWIP_RAW=1 in your lwipopts.h"
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| 99 | #endif
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| 100 | #if (!LWIP_UDP && LWIP_DNS)
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| 101 | #error "If you want to use DNS, you have to define LWIP_UDP=1 in your lwipopts.h"
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| 102 | #endif
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| 103 | #if !MEMP_MEM_MALLOC /* MEMP_NUM_* checks are disabled when not using the pool allocator */
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| 104 | #if (LWIP_ARP && ARP_QUEUEING && (MEMP_NUM_ARP_QUEUE<=0))
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| 105 | #error "If you want to use ARP Queueing, you have to define MEMP_NUM_ARP_QUEUE>=1 in your lwipopts.h"
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| 106 | #endif
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| 107 | #if (LWIP_RAW && (MEMP_NUM_RAW_PCB<=0))
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| 108 | #error "If you want to use RAW, you have to define MEMP_NUM_RAW_PCB>=1 in your lwipopts.h"
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| 109 | #endif
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| 110 | #if (LWIP_UDP && (MEMP_NUM_UDP_PCB<=0))
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| 111 | #error "If you want to use UDP, you have to define MEMP_NUM_UDP_PCB>=1 in your lwipopts.h"
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| 112 | #endif
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| 113 | #if (LWIP_TCP && (MEMP_NUM_TCP_PCB<=0))
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| 114 | #error "If you want to use TCP, you have to define MEMP_NUM_TCP_PCB>=1 in your lwipopts.h"
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| 115 | #endif
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| 116 | #if (LWIP_IGMP && (MEMP_NUM_IGMP_GROUP<=1))
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| 117 | #error "If you want to use IGMP, you have to define MEMP_NUM_IGMP_GROUP>1 in your lwipopts.h"
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| 118 | #endif
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| 119 | #if (LWIP_IGMP && !LWIP_MULTICAST_TX_OPTIONS)
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| 120 | #error "If you want to use IGMP, you have to define LWIP_MULTICAST_TX_OPTIONS==1 in your lwipopts.h"
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| 121 | #endif
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| 122 | #if (LWIP_IGMP && !LWIP_IPV4)
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| 123 | #error "IGMP needs LWIP_IPV4 enabled in your lwipopts.h"
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| 124 | #endif
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| 125 | #if ((LWIP_NETCONN || LWIP_SOCKET) && (MEMP_NUM_TCPIP_MSG_API<=0))
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| 126 | #error "If you want to use Sequential API, you have to define MEMP_NUM_TCPIP_MSG_API>=1 in your lwipopts.h"
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| 127 | #endif
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| 128 | /* There must be sufficient timeouts, taking into account requirements of the subsystems. */
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| 129 | #if LWIP_TIMERS && (MEMP_NUM_SYS_TIMEOUT < LWIP_NUM_SYS_TIMEOUT_INTERNAL)
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| 130 | #error "MEMP_NUM_SYS_TIMEOUT is too low to accomodate all required timeouts"
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| 131 | #endif
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| 132 | #if (IP_REASSEMBLY && (MEMP_NUM_REASSDATA > IP_REASS_MAX_PBUFS))
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| 133 | #error "MEMP_NUM_REASSDATA > IP_REASS_MAX_PBUFS doesn't make sense since each struct ip_reassdata must hold 2 pbufs at least!"
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| 134 | #endif
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| 135 | #endif /* !MEMP_MEM_MALLOC */
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| 136 | #if LWIP_WND_SCALE
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| 137 | #if (LWIP_TCP && (TCP_WND > 0xffffffff))
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| 138 | #error "If you want to use TCP, TCP_WND must fit in an u32_t, so, you have to reduce it in your lwipopts.h"
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| 139 | #endif
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| 140 | #if (LWIP_TCP && (TCP_RCV_SCALE > 14))
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| 141 | #error "The maximum valid window scale value is 14!"
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| 142 | #endif
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| 143 | #if (LWIP_TCP && (TCP_WND > (0xFFFFU << TCP_RCV_SCALE)))
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| 144 | #error "TCP_WND is bigger than the configured LWIP_WND_SCALE allows!"
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| 145 | #endif
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| 146 | #if (LWIP_TCP && ((TCP_WND >> TCP_RCV_SCALE) == 0))
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| 147 | #error "TCP_WND is too small for the configured LWIP_WND_SCALE (results in zero window)!"
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| 148 | #endif
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| 149 | #else /* LWIP_WND_SCALE */
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| 150 | #if (LWIP_TCP && (TCP_WND > 0xffff))
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| 151 | #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 (or enable window scaling)"
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| 152 | #endif
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| 153 | #endif /* LWIP_WND_SCALE */
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| 154 | #if (LWIP_TCP && (TCP_SND_QUEUELEN > 0xffff))
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| 155 | #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"
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| 156 | #endif
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| 157 | #if (LWIP_TCP && (TCP_SND_QUEUELEN < 2))
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| 158 | #error "TCP_SND_QUEUELEN must be at least 2 for no-copy TCP writes to work"
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| 159 | #endif
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| 160 | #if (LWIP_TCP && ((TCP_MAXRTX > 12) || (TCP_SYNMAXRTX > 12)))
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| 161 | #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"
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| 162 | #endif
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| 163 | #if (LWIP_TCP && TCP_LISTEN_BACKLOG && ((TCP_DEFAULT_LISTEN_BACKLOG < 0) || (TCP_DEFAULT_LISTEN_BACKLOG > 0xff)))
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| 164 | #error "If you want to use TCP backlog, TCP_DEFAULT_LISTEN_BACKLOG must fit into an u8_t"
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| 165 | #endif
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| 166 | #if (LWIP_TCP && LWIP_TCP_SACK_OUT && !TCP_QUEUE_OOSEQ)
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| 167 | #error "To use LWIP_TCP_SACK_OUT, TCP_QUEUE_OOSEQ needs to be enabled"
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| 168 | #endif
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| 169 | #if (LWIP_TCP && LWIP_TCP_SACK_OUT && (LWIP_TCP_MAX_SACK_NUM < 1))
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| 170 | #error "LWIP_TCP_MAX_SACK_NUM must be greater than 0"
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| 171 | #endif
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| 172 | #if (LWIP_NETIF_API && (NO_SYS==1))
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| 173 | #error "If you want to use NETIF API, you have to define NO_SYS=0 in your lwipopts.h"
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| 174 | #endif
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| 175 | #if ((LWIP_SOCKET || LWIP_NETCONN) && (NO_SYS==1))
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| 176 | #error "If you want to use Sequential API, you have to define NO_SYS=0 in your lwipopts.h"
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| 177 | #endif
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| 178 | #if (LWIP_PPP_API && (NO_SYS==1))
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| 179 | #error "If you want to use PPP API, you have to define NO_SYS=0 in your lwipopts.h"
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| 180 | #endif
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| 181 | #if (LWIP_PPP_API && (PPP_SUPPORT==0))
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| 182 | #error "If you want to use PPP API, you have to enable PPP_SUPPORT in your lwipopts.h"
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| 183 | #endif
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| 184 | #if (((!LWIP_DHCP) || (!LWIP_AUTOIP)) && LWIP_DHCP_AUTOIP_COOP)
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| 185 | #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"
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| 186 | #endif
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| 187 | #if (((!LWIP_DHCP) || (!LWIP_ARP)) && DHCP_DOES_ARP_CHECK)
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| 188 | #error "If you want to use DHCP ARP checking, you have to define LWIP_DHCP=1 and LWIP_ARP=1 in your lwipopts.h"
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| 189 | #endif
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| 190 | #if (!LWIP_ARP && LWIP_AUTOIP)
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| 191 | #error "If you want to use AUTOIP, you have to define LWIP_ARP=1 in your lwipopts.h"
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| 192 | #endif
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| 193 | #if (LWIP_TCP && ((LWIP_EVENT_API && LWIP_CALLBACK_API) || (!LWIP_EVENT_API && !LWIP_CALLBACK_API)))
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| 194 | #error "One and exactly one of LWIP_EVENT_API and LWIP_CALLBACK_API has to be enabled in your lwipopts.h"
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| 195 | #endif
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| 196 | #if (LWIP_ALTCP && LWIP_EVENT_API)
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| 197 | #error "The application layered tcp API does not work with LWIP_EVENT_API"
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| 198 | #endif
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| 199 | #if (MEM_LIBC_MALLOC && MEM_USE_POOLS)
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| 200 | #error "MEM_LIBC_MALLOC and MEM_USE_POOLS may not both be simultaneously enabled in your lwipopts.h"
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| 201 | #endif
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| 202 | #if (MEM_USE_POOLS && !MEMP_USE_CUSTOM_POOLS)
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| 203 | #error "MEM_USE_POOLS requires custom pools (MEMP_USE_CUSTOM_POOLS) to be enabled in your lwipopts.h"
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| 204 | #endif
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| 205 | #if (PBUF_POOL_BUFSIZE <= MEM_ALIGNMENT)
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| 206 | #error "PBUF_POOL_BUFSIZE must be greater than MEM_ALIGNMENT or the offset may take the full first pbuf"
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| 207 | #endif
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| 208 | #if (DNS_LOCAL_HOSTLIST && !DNS_LOCAL_HOSTLIST_IS_DYNAMIC && !(defined(DNS_LOCAL_HOSTLIST_INIT)))
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| 209 | #error "you have to define define DNS_LOCAL_HOSTLIST_INIT {{'host1', 0x123}, {'host2', 0x234}} to initialize DNS_LOCAL_HOSTLIST"
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| 210 | #endif
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| 211 | #if PPP_SUPPORT && !PPPOS_SUPPORT && !PPPOE_SUPPORT && !PPPOL2TP_SUPPORT
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| 212 | #error "PPP_SUPPORT needs at least one of PPPOS_SUPPORT, PPPOE_SUPPORT or PPPOL2TP_SUPPORT turned on"
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| 213 | #endif
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| 214 | #if PPP_SUPPORT && !PPP_IPV4_SUPPORT && !PPP_IPV6_SUPPORT
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| 215 | #error "PPP_SUPPORT needs PPP_IPV4_SUPPORT and/or PPP_IPV6_SUPPORT turned on"
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| 216 | #endif
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| 217 | #if PPP_SUPPORT && PPP_IPV4_SUPPORT && !LWIP_IPV4
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| 218 | #error "PPP_IPV4_SUPPORT needs LWIP_IPV4 turned on"
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| 219 | #endif
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| 220 | #if PPP_SUPPORT && PPP_IPV6_SUPPORT && !LWIP_IPV6
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| 221 | #error "PPP_IPV6_SUPPORT needs LWIP_IPV6 turned on"
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| 222 | #endif
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| 223 | #if !LWIP_ETHERNET && (LWIP_ARP || PPPOE_SUPPORT)
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| 224 | #error "LWIP_ETHERNET needs to be turned on for LWIP_ARP or PPPOE_SUPPORT"
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| 225 | #endif
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| 226 | #if LWIP_TCPIP_CORE_LOCKING_INPUT && !LWIP_TCPIP_CORE_LOCKING
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| 227 | #error "When using LWIP_TCPIP_CORE_LOCKING_INPUT, LWIP_TCPIP_CORE_LOCKING must be enabled, too"
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| 228 | #endif
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| 229 | #if LWIP_TCP && LWIP_NETIF_TX_SINGLE_PBUF && !TCP_OVERSIZE
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| 230 | #error "LWIP_NETIF_TX_SINGLE_PBUF needs TCP_OVERSIZE enabled to create single-pbuf TCP packets"
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| 231 | #endif
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| 232 | #if LWIP_NETCONN && LWIP_TCP
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| 233 | #if NETCONN_COPY != TCP_WRITE_FLAG_COPY
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| 234 | #error "NETCONN_COPY != TCP_WRITE_FLAG_COPY"
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| 235 | #endif
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| 236 | #if NETCONN_MORE != TCP_WRITE_FLAG_MORE
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| 237 | #error "NETCONN_MORE != TCP_WRITE_FLAG_MORE"
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| 238 | #endif
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| 239 | #endif /* LWIP_NETCONN && LWIP_TCP */
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| 240 | #if LWIP_SOCKET
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| 241 | #endif /* LWIP_SOCKET */
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| 242 |
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| 243 |
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| 244 | /* Compile-time checks for deprecated options.
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| 245 | */
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| 246 | #ifdef MEMP_NUM_TCPIP_MSG
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| 247 | #error "MEMP_NUM_TCPIP_MSG option is deprecated. Remove it from your lwipopts.h."
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| 248 | #endif
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| 249 | #ifdef TCP_REXMIT_DEBUG
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| 250 | #error "TCP_REXMIT_DEBUG option is deprecated. Remove it from your lwipopts.h."
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| 251 | #endif
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| 252 | #ifdef RAW_STATS
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| 253 | #error "RAW_STATS option is deprecated. Remove it from your lwipopts.h."
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| 254 | #endif
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| 255 | #ifdef ETHARP_QUEUE_FIRST
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| 256 | #error "ETHARP_QUEUE_FIRST option is deprecated. Remove it from your lwipopts.h."
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| 257 | #endif
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| 258 | #ifdef ETHARP_ALWAYS_INSERT
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| 259 | #error "ETHARP_ALWAYS_INSERT option is deprecated. Remove it from your lwipopts.h."
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| 260 | #endif
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| 261 | #if !NO_SYS && LWIP_TCPIP_CORE_LOCKING && LWIP_COMPAT_MUTEX && !defined(LWIP_COMPAT_MUTEX_ALLOWED)
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| 262 | #error "LWIP_COMPAT_MUTEX cannot prevent priority inversion. It is recommended to implement priority-aware mutexes. (Define LWIP_COMPAT_MUTEX_ALLOWED to disable this error.)"
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| 263 | #endif
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| 264 |
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| 265 | #ifndef LWIP_DISABLE_TCP_SANITY_CHECKS
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| 266 | #define LWIP_DISABLE_TCP_SANITY_CHECKS 0
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| 267 | #endif
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| 268 | #ifndef LWIP_DISABLE_MEMP_SANITY_CHECKS
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| 269 | #define LWIP_DISABLE_MEMP_SANITY_CHECKS 0
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| 270 | #endif
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| 271 |
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| 272 | /* MEMP sanity checks */
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| 273 | #if MEMP_MEM_MALLOC
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| 274 | #if !LWIP_DISABLE_MEMP_SANITY_CHECKS
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| 275 | #if LWIP_NETCONN || LWIP_SOCKET
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| 276 | #if !MEMP_NUM_NETCONN && LWIP_SOCKET
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| 277 | #error "lwip_sanity_check: WARNING: MEMP_NUM_NETCONN cannot be 0 when using sockets!"
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| 278 | #endif
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| 279 | #else /* MEMP_MEM_MALLOC */
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| 280 | #if MEMP_NUM_NETCONN > (MEMP_NUM_TCP_PCB+MEMP_NUM_TCP_PCB_LISTEN+MEMP_NUM_UDP_PCB+MEMP_NUM_RAW_PCB)
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| 281 | #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."
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| 282 | #endif
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| 283 | #endif /* LWIP_NETCONN || LWIP_SOCKET */
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| 284 | #endif /* !LWIP_DISABLE_MEMP_SANITY_CHECKS */
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| 285 | #if MEM_USE_POOLS
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| 286 | #error "MEMP_MEM_MALLOC and MEM_USE_POOLS cannot be enabled at the same time"
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| 287 | #endif
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| 288 | #ifdef LWIP_HOOK_MEMP_AVAILABLE
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| 289 | #error "LWIP_HOOK_MEMP_AVAILABLE doesn't make sense with MEMP_MEM_MALLOC"
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| 290 | #endif
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| 291 | #endif /* MEMP_MEM_MALLOC */
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| 292 |
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| 293 | /* TCP sanity checks */
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| 294 | #if !LWIP_DISABLE_TCP_SANITY_CHECKS
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| 295 | #if LWIP_TCP
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| 296 | #if !MEMP_MEM_MALLOC && (MEMP_NUM_TCP_SEG < TCP_SND_QUEUELEN)
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| 297 | #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."
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| 298 | #endif
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| 299 | #if TCP_SND_BUF < (2 * TCP_MSS)
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| 300 | #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."
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| 301 | #endif
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| 302 | #if TCP_SND_QUEUELEN < (2 * (TCP_SND_BUF / TCP_MSS))
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| 303 | #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."
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| 304 | #endif
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| 305 | #if TCP_SNDLOWAT >= TCP_SND_BUF
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| 306 | #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."
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| 307 | #endif
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| 308 | #if TCP_SNDLOWAT >= (0xFFFF - (4 * TCP_MSS))
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| 309 | #error "lwip_sanity_check: WARNING: TCP_SNDLOWAT must at least be 4*MSS below u16_t overflow!"
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| 310 | #endif
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| 311 | #if TCP_SNDQUEUELOWAT >= TCP_SND_QUEUELEN
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| 312 | #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."
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| 313 | #endif
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| 314 | #if !MEMP_MEM_MALLOC && PBUF_POOL_SIZE && (PBUF_POOL_BUFSIZE <= (PBUF_LINK_ENCAPSULATION_HLEN + PBUF_LINK_HLEN + PBUF_IP_HLEN + PBUF_TRANSPORT_HLEN))
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| 315 | #error "lwip_sanity_check: WARNING: PBUF_POOL_BUFSIZE does not provide enough space for protocol headers. If you know what you are doing, define LWIP_DISABLE_TCP_SANITY_CHECKS to 1 to disable this error."
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| 316 | #endif
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| 317 | #if !MEMP_MEM_MALLOC && PBUF_POOL_SIZE && (TCP_WND > (PBUF_POOL_SIZE * (PBUF_POOL_BUFSIZE - (PBUF_LINK_ENCAPSULATION_HLEN + PBUF_LINK_HLEN + PBUF_IP_HLEN + PBUF_TRANSPORT_HLEN))))
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| 318 | #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."
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| 319 | #endif
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| 320 | #if TCP_WND < TCP_MSS
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| 321 | #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."
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| 322 | #endif
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| 323 | #endif /* LWIP_TCP */
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| 324 | #endif /* !LWIP_DISABLE_TCP_SANITY_CHECKS */
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| 325 |
|
|---|
| 326 | /**
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| 327 | * @ingroup lwip_nosys
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|---|
| 328 | * Initialize all modules.
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| 329 | * Use this in NO_SYS mode. Use tcpip_init() otherwise.
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|---|
| 330 | */
|
|---|
| 331 | void
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|---|
| 332 | lwip_init(void)
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|---|
| 333 | {
|
|---|
| 334 | #ifndef LWIP_SKIP_CONST_CHECK
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|---|
| 335 | int a = 0;
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|---|
| 336 | LWIP_UNUSED_ARG(a);
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|---|
| 337 | LWIP_ASSERT("LWIP_CONST_CAST not implemented correctly. Check your lwIP port.", LWIP_CONST_CAST(void *, &a) == &a);
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|---|
| 338 | #endif
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|---|
| 339 | #ifndef LWIP_SKIP_PACKING_CHECK
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|---|
| 340 | LWIP_ASSERT("Struct packing not implemented correctly. Check your lwIP port.", sizeof(struct packed_struct_test) == PACKED_STRUCT_TEST_EXPECTED_SIZE);
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|---|
| 341 | #endif
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|---|
| 342 |
|
|---|
| 343 | /* Modules initialization */
|
|---|
| 344 | stats_init();
|
|---|
| 345 | #if !NO_SYS
|
|---|
| 346 | sys_init();
|
|---|
| 347 | #endif /* !NO_SYS */
|
|---|
| 348 | mem_init();
|
|---|
| 349 | memp_init();
|
|---|
| 350 | pbuf_init();
|
|---|
| 351 | netif_init();
|
|---|
| 352 | #if LWIP_IPV4
|
|---|
| 353 | ip_init();
|
|---|
| 354 | #if LWIP_ARP
|
|---|
| 355 | etharp_init();
|
|---|
| 356 | #endif /* LWIP_ARP */
|
|---|
| 357 | #endif /* LWIP_IPV4 */
|
|---|
| 358 | #if LWIP_RAW
|
|---|
| 359 | raw_init();
|
|---|
| 360 | #endif /* LWIP_RAW */
|
|---|
| 361 | #if LWIP_UDP
|
|---|
| 362 | udp_init();
|
|---|
| 363 | #endif /* LWIP_UDP */
|
|---|
| 364 | #if LWIP_TCP
|
|---|
| 365 | tcp_init();
|
|---|
| 366 | #endif /* LWIP_TCP */
|
|---|
| 367 | #if LWIP_IGMP
|
|---|
| 368 | igmp_init();
|
|---|
| 369 | #endif /* LWIP_IGMP */
|
|---|
| 370 | #if LWIP_DNS
|
|---|
| 371 | dns_init();
|
|---|
| 372 | #endif /* LWIP_DNS */
|
|---|
| 373 | #if PPP_SUPPORT
|
|---|
| 374 | ppp_init();
|
|---|
| 375 | #endif
|
|---|
| 376 |
|
|---|
| 377 | #if LWIP_TIMERS
|
|---|
| 378 | sys_timeouts_init();
|
|---|
| 379 | #endif /* LWIP_TIMERS */
|
|---|
| 380 | }
|
|---|
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