1/** 2 * @file 3 * Modules initialization 4 * 5 */ 6 7/* 8 * Copyright (c) 2001-2004 Swedish Institute of Computer Science. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without modification, 12 * are permitted provided that the following conditions are met: 13 * 14 * 1. Redistributions of source code must retain the above copyright notice, 15 * this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright notice, 17 * this list of conditions and the following disclaimer in the documentation 18 * and/or other materials provided with the distribution. 19 * 3. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 23 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 24 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 25 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 26 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 27 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 30 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 31 * OF SUCH DAMAGE. 32 * 33 * This file is part of the lwIP TCP/IP stack. 34 * 35 * Author: Adam Dunkels <adam@sics.se> 36 */ 37 38#include "lwip/opt.h" 39 40#include "lwip/init.h" 41#include "lwip/stats.h" 42#include "lwip/sys.h" 43#include "lwip/mem.h" 44#include "lwip/memp.h" 45#include "lwip/pbuf.h" 46#include "lwip/netif.h" 47#include "lwip/sockets.h" 48#include "lwip/ip.h" 49#include "lwip/raw.h" 50#include "lwip/udp.h" 51#include "lwip/priv/tcp_priv.h" 52#include "lwip/igmp.h" 53#include "lwip/dns.h" 54#include "lwip/timeouts.h" 55#include "lwip/etharp.h" 56#include "lwip/ip6.h" 57#include "lwip/nd6.h" 58#include "lwip/mld6.h" 59#include "lwip/api.h" 60 61#include "netif/ppp/ppp_opts.h" 62#include "netif/ppp/ppp_impl.h" 63 64#ifndef LWIP_SKIP_PACKING_CHECK 65 66#ifdef PACK_STRUCT_USE_INCLUDES 67# include "arch/bpstruct.h" 68#endif 69PACK_STRUCT_BEGIN 70struct packed_struct_test 71{ 72 PACK_STRUCT_FLD_8(u8_t dummy1); 73 PACK_STRUCT_FIELD(u32_t dummy2); 74} PACK_STRUCT_STRUCT; 75PACK_STRUCT_END 76#ifdef PACK_STRUCT_USE_INCLUDES 77# include "arch/epstruct.h" 78#endif 79#define PACKED_STRUCT_TEST_EXPECTED_SIZE 5 80 81#endif 82 83/* Compile-time sanity checks for configuration errors. 84 * These can be done independently of LWIP_DEBUG, without penalty. 85 */ 86#ifndef BYTE_ORDER 87 #error "BYTE_ORDER is not defined, you have to define it in your cc.h" 88#endif 89#if (!IP_SOF_BROADCAST && IP_SOF_BROADCAST_RECV) 90 #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" 91#endif 92#if (!LWIP_UDP && LWIP_UDPLITE) 93 #error "If you want to use UDP Lite, you have to define LWIP_UDP=1 in your lwipopts.h" 94#endif 95#if (!LWIP_UDP && LWIP_DHCP) 96 #error "If you want to use DHCP, you have to define LWIP_UDP=1 in your lwipopts.h" 97#endif 98#if (!LWIP_UDP && LWIP_MULTICAST_TX_OPTIONS) 99 #error "If you want to use IGMP/LWIP_MULTICAST_TX_OPTIONS, you have to define LWIP_UDP=1 in your lwipopts.h" 100#endif 101#if (!LWIP_UDP && LWIP_DNS) 102 #error "If you want to use DNS, you have to define LWIP_UDP=1 in your lwipopts.h" 103#endif 104#if !MEMP_MEM_MALLOC /* MEMP_NUM_* checks are disabled when not using the pool allocator */ 105#if (LWIP_ARP && ARP_QUEUEING && (MEMP_NUM_ARP_QUEUE<=0)) 106 #error "If you want to use ARP Queueing, you have to define MEMP_NUM_ARP_QUEUE>=1 in your lwipopts.h" 107#endif 108#if (LWIP_RAW && (MEMP_NUM_RAW_PCB<=0)) 109 #error "If you want to use RAW, you have to define MEMP_NUM_RAW_PCB>=1 in your lwipopts.h" 110#endif 111#if (LWIP_UDP && (MEMP_NUM_UDP_PCB<=0)) 112 #error "If you want to use UDP, you have to define MEMP_NUM_UDP_PCB>=1 in your lwipopts.h" 113#endif 114#if (LWIP_TCP && (MEMP_NUM_TCP_PCB<=0)) 115 #error "If you want to use TCP, you have to define MEMP_NUM_TCP_PCB>=1 in your lwipopts.h" 116#endif 117#if (LWIP_IGMP && (MEMP_NUM_IGMP_GROUP<=1)) 118 #error "If you want to use IGMP, you have to define MEMP_NUM_IGMP_GROUP>1 in your lwipopts.h" 119#endif 120#if (LWIP_IGMP && !LWIP_MULTICAST_TX_OPTIONS) 121 #error "If you want to use IGMP, you have to define LWIP_MULTICAST_TX_OPTIONS==1 in your lwipopts.h" 122#endif 123#if (LWIP_IGMP && !LWIP_IPV4) 124 #error "IGMP needs LWIP_IPV4 enabled in your lwipopts.h" 125#endif 126#if (LWIP_MULTICAST_TX_OPTIONS && !LWIP_IPV4) 127 #error "LWIP_MULTICAST_TX_OPTIONS needs LWIP_IPV4 enabled in your lwipopts.h" 128#endif 129#if ((LWIP_NETCONN || LWIP_SOCKET) && (MEMP_NUM_TCPIP_MSG_API<=0)) 130 #error "If you want to use Sequential API, you have to define MEMP_NUM_TCPIP_MSG_API>=1 in your lwipopts.h" 131#endif 132/* There must be sufficient timeouts, taking into account requirements of the subsystems. */ 133#if LWIP_TIMERS && (MEMP_NUM_SYS_TIMEOUT < (LWIP_TCP + IP_REASSEMBLY + LWIP_ARP + (2*LWIP_DHCP) + LWIP_AUTOIP + LWIP_IGMP + LWIP_DNS + PPP_SUPPORT + (LWIP_IPV6 ? (1 + LWIP_IPV6_REASS + LWIP_IPV6_MLD) : 0))) 134 #error "MEMP_NUM_SYS_TIMEOUT is too low to accomodate all required timeouts" 135#endif 136#if (IP_REASSEMBLY && (MEMP_NUM_REASSDATA > IP_REASS_MAX_PBUFS)) 137 #error "MEMP_NUM_REASSDATA > IP_REASS_MAX_PBUFS doesn't make sense since each struct ip_reassdata must hold 2 pbufs at least!" 138#endif 139#endif /* !MEMP_MEM_MALLOC */ 140#if LWIP_WND_SCALE 141#if (LWIP_TCP && (TCP_WND > 0xffffffff)) 142 #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" 143#endif 144#if (LWIP_TCP && (TCP_RCV_SCALE > 14)) 145 #error "The maximum valid window scale value is 14!" 146#endif 147#if (LWIP_TCP && (TCP_WND > (0xFFFFU << TCP_RCV_SCALE))) 148 #error "TCP_WND is bigger than the configured LWIP_WND_SCALE allows!" 149#endif 150#if (LWIP_TCP && ((TCP_WND >> TCP_RCV_SCALE) == 0)) 151 #error "TCP_WND is too small for the configured LWIP_WND_SCALE (results in zero window)!" 152#endif 153#else /* LWIP_WND_SCALE */ 154#if (LWIP_TCP && (TCP_WND > 0xffff)) 155 #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)" 156#endif 157#endif /* LWIP_WND_SCALE */ 158#if (LWIP_TCP && (TCP_SND_QUEUELEN > 0xffff)) 159 #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" 160#endif 161#if (LWIP_TCP && (TCP_SND_QUEUELEN < 2)) 162 #error "TCP_SND_QUEUELEN must be at least 2 for no-copy TCP writes to work" 163#endif 164#if (LWIP_TCP && ((TCP_MAXRTX > 12) || (TCP_SYNMAXRTX > 12))) 165 #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" 166#endif 167#if (LWIP_TCP && TCP_LISTEN_BACKLOG && ((TCP_DEFAULT_LISTEN_BACKLOG < 0) || (TCP_DEFAULT_LISTEN_BACKLOG > 0xff))) 168 #error "If you want to use TCP backlog, TCP_DEFAULT_LISTEN_BACKLOG must fit into an u8_t" 169#endif 170#if (LWIP_NETIF_API && (NO_SYS==1)) 171 #error "If you want to use NETIF API, you have to define NO_SYS=0 in your lwipopts.h" 172#endif 173#if ((LWIP_SOCKET || LWIP_NETCONN) && (NO_SYS==1)) 174 #error "If you want to use Sequential API, you have to define NO_SYS=0 in your lwipopts.h" 175#endif 176#if (LWIP_PPP_API && (NO_SYS==1)) 177 #error "If you want to use PPP API, you have to define NO_SYS=0 in your lwipopts.h" 178#endif 179#if (LWIP_PPP_API && (PPP_SUPPORT==0)) 180 #error "If you want to use PPP API, you have to enable PPP_SUPPORT in your lwipopts.h" 181#endif 182#if (((!LWIP_DHCP) || (!LWIP_AUTOIP)) && LWIP_DHCP_AUTOIP_COOP) 183 #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" 184#endif 185#if (((!LWIP_DHCP) || (!LWIP_ARP)) && DHCP_DOES_ARP_CHECK) 186 #error "If you want to use DHCP ARP checking, you have to define LWIP_DHCP=1 and LWIP_ARP=1 in your lwipopts.h" 187#endif 188#if (!LWIP_ARP && LWIP_AUTOIP) 189 #error "If you want to use AUTOIP, you have to define LWIP_ARP=1 in your lwipopts.h" 190#endif 191#if (LWIP_TCP && ((LWIP_EVENT_API && LWIP_CALLBACK_API) || (!LWIP_EVENT_API && !LWIP_CALLBACK_API))) 192 #error "One and exactly one of LWIP_EVENT_API and LWIP_CALLBACK_API has to be enabled in your lwipopts.h" 193#endif 194#if (MEM_LIBC_MALLOC && MEM_USE_POOLS) 195 #error "MEM_LIBC_MALLOC and MEM_USE_POOLS may not both be simultaneously enabled in your lwipopts.h" 196#endif 197#if (MEM_USE_POOLS && !MEMP_USE_CUSTOM_POOLS) 198 #error "MEM_USE_POOLS requires custom pools (MEMP_USE_CUSTOM_POOLS) to be enabled in your lwipopts.h" 199#endif 200#if (PBUF_POOL_BUFSIZE <= MEM_ALIGNMENT) 201 #error "PBUF_POOL_BUFSIZE must be greater than MEM_ALIGNMENT or the offset may take the full first pbuf" 202#endif 203#if (DNS_LOCAL_HOSTLIST && !DNS_LOCAL_HOSTLIST_IS_DYNAMIC && !(defined(DNS_LOCAL_HOSTLIST_INIT))) 204 #error "you have to define define DNS_LOCAL_HOSTLIST_INIT {{'host1', 0x123}, {'host2', 0x234}} to initialize DNS_LOCAL_HOSTLIST" 205#endif 206#if PPP_SUPPORT && !PPPOS_SUPPORT && !PPPOE_SUPPORT && !PPPOL2TP_SUPPORT 207 #error "PPP_SUPPORT needs at least one of PPPOS_SUPPORT, PPPOE_SUPPORT or PPPOL2TP_SUPPORT turned on" 208#endif 209#if PPP_SUPPORT && !PPP_IPV4_SUPPORT && !PPP_IPV6_SUPPORT 210 #error "PPP_SUPPORT needs PPP_IPV4_SUPPORT and/or PPP_IPV6_SUPPORT turned on" 211#endif 212#if PPP_SUPPORT && PPP_IPV4_SUPPORT && !LWIP_IPV4 213 #error "PPP_IPV4_SUPPORT needs LWIP_IPV4 turned on" 214#endif 215#if PPP_SUPPORT && PPP_IPV6_SUPPORT && !LWIP_IPV6 216 #error "PPP_IPV6_SUPPORT needs LWIP_IPV6 turned on" 217#endif 218#if !LWIP_ETHERNET && (LWIP_ARP || PPPOE_SUPPORT) 219 #error "LWIP_ETHERNET needs to be turned on for LWIP_ARP or PPPOE_SUPPORT" 220#endif 221#if LWIP_TCPIP_CORE_LOCKING_INPUT && !LWIP_TCPIP_CORE_LOCKING 222 #error "When using LWIP_TCPIP_CORE_LOCKING_INPUT, LWIP_TCPIP_CORE_LOCKING must be enabled, too" 223#endif 224#if LWIP_TCP && LWIP_NETIF_TX_SINGLE_PBUF && !TCP_OVERSIZE 225 #error "LWIP_NETIF_TX_SINGLE_PBUF needs TCP_OVERSIZE enabled to create single-pbuf TCP packets" 226#endif 227#if LWIP_NETCONN && LWIP_TCP 228#if NETCONN_COPY != TCP_WRITE_FLAG_COPY 229 #error "NETCONN_COPY != TCP_WRITE_FLAG_COPY" 230#endif 231#if NETCONN_MORE != TCP_WRITE_FLAG_MORE 232 #error "NETCONN_MORE != TCP_WRITE_FLAG_MORE" 233#endif 234#endif /* LWIP_NETCONN && LWIP_TCP */ 235#if LWIP_SOCKET 236/* Check that the SO_* socket options and SOF_* lwIP-internal flags match */ 237#if SO_REUSEADDR != SOF_REUSEADDR 238 #error "WARNING: SO_REUSEADDR != SOF_REUSEADDR" 239#endif 240#if SO_KEEPALIVE != SOF_KEEPALIVE 241 #error "WARNING: SO_KEEPALIVE != SOF_KEEPALIVE" 242#endif 243#if SO_BROADCAST != SOF_BROADCAST 244 #error "WARNING: SO_BROADCAST != SOF_BROADCAST" 245#endif 246#endif /* LWIP_SOCKET */ 247 248 249/* Compile-time checks for deprecated options. 250 */ 251#ifdef MEMP_NUM_TCPIP_MSG 252 #error "MEMP_NUM_TCPIP_MSG option is deprecated. Remove it from your lwipopts.h." 253#endif 254#ifdef TCP_REXMIT_DEBUG 255 #error "TCP_REXMIT_DEBUG option is deprecated. Remove it from your lwipopts.h." 256#endif 257#ifdef RAW_STATS 258 #error "RAW_STATS option is deprecated. Remove it from your lwipopts.h." 259#endif 260#ifdef ETHARP_QUEUE_FIRST 261 #error "ETHARP_QUEUE_FIRST option is deprecated. Remove it from your lwipopts.h." 262#endif 263#ifdef ETHARP_ALWAYS_INSERT 264 #error "ETHARP_ALWAYS_INSERT option is deprecated. Remove it from your lwipopts.h." 265#endif 266#if !NO_SYS && LWIP_TCPIP_CORE_LOCKING && LWIP_COMPAT_MUTEX && !defined(LWIP_COMPAT_MUTEX_ALLOWED) 267 #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.)" 268#endif 269 270#ifndef LWIP_DISABLE_TCP_SANITY_CHECKS 271#define LWIP_DISABLE_TCP_SANITY_CHECKS 0 272#endif 273#ifndef LWIP_DISABLE_MEMP_SANITY_CHECKS 274#define LWIP_DISABLE_MEMP_SANITY_CHECKS 0 275#endif 276 277/* MEMP sanity checks */ 278#if MEMP_MEM_MALLOC 279#if !LWIP_DISABLE_MEMP_SANITY_CHECKS 280#if LWIP_NETCONN || LWIP_SOCKET 281#if !MEMP_NUM_NETCONN && LWIP_SOCKET 282#error "lwip_sanity_check: WARNING: MEMP_NUM_NETCONN cannot be 0 when using sockets!" 283#endif 284#else /* MEMP_MEM_MALLOC */ 285#if MEMP_NUM_NETCONN > (MEMP_NUM_TCP_PCB+MEMP_NUM_TCP_PCB_LISTEN+MEMP_NUM_UDP_PCB+MEMP_NUM_RAW_PCB) 286#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." 287#endif 288#endif /* LWIP_NETCONN || LWIP_SOCKET */ 289#endif /* !LWIP_DISABLE_MEMP_SANITY_CHECKS */ 290#if MEM_USE_POOLS 291#error "MEMP_MEM_MALLOC and MEM_USE_POOLS cannot be enabled at the same time" 292#endif 293#ifdef LWIP_HOOK_MEMP_AVAILABLE 294#error "LWIP_HOOK_MEMP_AVAILABLE doesn't make sense with MEMP_MEM_MALLOC" 295#endif 296#endif /* MEMP_MEM_MALLOC */ 297 298/* TCP sanity checks */ 299#if !LWIP_DISABLE_TCP_SANITY_CHECKS 300#if LWIP_TCP 301#if !MEMP_MEM_MALLOC && (MEMP_NUM_TCP_SEG < TCP_SND_QUEUELEN) 302 #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." 303#endif 304#if TCP_SND_BUF < (2 * TCP_MSS) 305 #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." 306#endif 307#if TCP_SND_QUEUELEN < (2 * (TCP_SND_BUF / TCP_MSS)) 308 #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." 309#endif 310#if TCP_SNDLOWAT >= TCP_SND_BUF 311 #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." 312#endif 313#if TCP_SNDLOWAT >= (0xFFFF - (4 * TCP_MSS)) 314 #error "lwip_sanity_check: WARNING: TCP_SNDLOWAT must at least be 4*MSS below u16_t overflow!" 315#endif 316#if TCP_SNDQUEUELOWAT >= TCP_SND_QUEUELEN 317 #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." 318#endif 319#if !MEMP_MEM_MALLOC && PBUF_POOL_SIZE && (PBUF_POOL_BUFSIZE <= (PBUF_LINK_ENCAPSULATION_HLEN + PBUF_LINK_HLEN + PBUF_IP_HLEN + PBUF_TRANSPORT_HLEN)) 320 #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." 321#endif 322#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)))) 323 #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." 324#endif 325#if TCP_WND < TCP_MSS 326 #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." 327#endif 328#endif /* LWIP_TCP */ 329#endif /* !LWIP_DISABLE_TCP_SANITY_CHECKS */ 330 331/** 332 * @ingroup lwip_nosys 333 * Initialize all modules. 334 * Use this in NO_SYS mode. Use tcpip_init() otherwise. 335 */ 336void 337lwip_init(void) 338{ 339#ifndef LWIP_SKIP_CONST_CHECK 340 int a; 341 LWIP_UNUSED_ARG(a); 342 LWIP_ASSERT("LWIP_CONST_CAST not implemented correctly. Check your lwIP port.", LWIP_CONST_CAST(void*, &a) == &a); 343#endif 344#ifndef LWIP_SKIP_PACKING_CHECK 345 LWIP_ASSERT("Struct packing not implemented correctly. Check your lwIP port.", sizeof(struct packed_struct_test) == PACKED_STRUCT_TEST_EXPECTED_SIZE); 346#endif 347 348 /* Modules initialization */ 349 stats_init(); 350#if !NO_SYS 351 sys_init(); 352#endif /* !NO_SYS */ 353 mem_init(); 354 memp_init(); 355 pbuf_init(); 356 netif_init(); 357#if LWIP_IPV4 358 ip_init(); 359#if LWIP_ARP 360 etharp_init(); 361#endif /* LWIP_ARP */ 362#endif /* LWIP_IPV4 */ 363#if LWIP_RAW 364 raw_init(); 365#endif /* LWIP_RAW */ 366#if LWIP_UDP 367 udp_init(); 368#endif /* LWIP_UDP */ 369#if LWIP_TCP 370 tcp_init(); 371#endif /* LWIP_TCP */ 372#if LWIP_IGMP 373 igmp_init(); 374#endif /* LWIP_IGMP */ 375#if LWIP_DNS 376 dns_init(); 377#endif /* LWIP_DNS */ 378#if PPP_SUPPORT 379 ppp_init(); 380#endif 381 382#if LWIP_TIMERS 383 sys_timeouts_init(); 384#endif /* LWIP_TIMERS */ 385} 386