diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/external/lwip/src/core/init.c')
-rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/external/lwip/src/core/init.c | 385 |
1 files changed, 385 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/lwip/src/core/init.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/lwip/src/core/init.c new file mode 100644 index 0000000..3131461 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/lwip/src/core/init.c @@ -0,0 +1,385 @@ +/** + * @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/priv/tcp_priv.h" +#include "lwip/igmp.h" +#include "lwip/dns.h" +#include "lwip/timeouts.h" +#include "lwip/etharp.h" +#include "lwip/ip6.h" +#include "lwip/nd6.h" +#include "lwip/mld6.h" +#include "lwip/api.h" + +#include "netif/ppp/ppp_opts.h" +#include "netif/ppp/ppp_impl.h" + +#ifndef LWIP_SKIP_PACKING_CHECK + +#ifdef PACK_STRUCT_USE_INCLUDES +# include "arch/bpstruct.h" +#endif +PACK_STRUCT_BEGIN +struct packed_struct_test +{ + PACK_STRUCT_FLD_8(u8_t dummy1); + PACK_STRUCT_FIELD(u32_t dummy2); +} PACK_STRUCT_STRUCT; +PACK_STRUCT_END +#ifdef PACK_STRUCT_USE_INCLUDES +# include "arch/epstruct.h" +#endif +#define PACKED_STRUCT_TEST_EXPECTED_SIZE 5 + +#endif + +/* 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_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_DHCP) + #error "If you want to use DHCP, you have to define LWIP_UDP=1 in your lwipopts.h" +#endif +#if (!LWIP_UDP && LWIP_MULTICAST_TX_OPTIONS) + #error "If you want to use IGMP/LWIP_MULTICAST_TX_OPTIONS, 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 !MEMP_MEM_MALLOC /* MEMP_NUM_* checks are disabled when not using the pool allocator */ +#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_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_IGMP && !LWIP_MULTICAST_TX_OPTIONS) + #error "If you want to use IGMP, you have to define LWIP_MULTICAST_TX_OPTIONS==1 in your lwipopts.h" +#endif +#if (LWIP_IGMP && !LWIP_IPV4) + #error "IGMP needs LWIP_IPV4 enabled in your lwipopts.h" +#endif +#if (LWIP_MULTICAST_TX_OPTIONS && !LWIP_IPV4) + #error "LWIP_MULTICAST_TX_OPTIONS needs LWIP_IPV4 enabled 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 +/* 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 + (LWIP_IPV6 ? (1 + LWIP_IPV6_REASS + LWIP_IPV6_MLD) : 0))) + #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 +#endif /* !MEMP_MEM_MALLOC */ +#if LWIP_WND_SCALE +#if (LWIP_TCP && (TCP_WND > 0xffffffff)) + #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" +#endif +#if (LWIP_TCP && (TCP_RCV_SCALE > 14)) + #error "The maximum valid window scale value is 14!" +#endif +#if (LWIP_TCP && (TCP_WND > (0xFFFFU << TCP_RCV_SCALE))) + #error "TCP_WND is bigger than the configured LWIP_WND_SCALE allows!" +#endif +#if (LWIP_TCP && ((TCP_WND >> TCP_RCV_SCALE) == 0)) + #error "TCP_WND is too small for the configured LWIP_WND_SCALE (results in zero window)!" +#endif +#else /* LWIP_WND_SCALE */ +#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 (or enable window scaling)" +#endif +#endif /* LWIP_WND_SCALE */ +#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_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_PPP_API && (NO_SYS==1)) + #error "If you want to use PPP API, you have to define NO_SYS=0 in your lwipopts.h" +#endif +#if (LWIP_PPP_API && (PPP_SUPPORT==0)) + #error "If you want to use PPP API, you have to enable PPP_SUPPORT 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_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 +#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 (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 && !PPPOL2TP_SUPPORT + #error "PPP_SUPPORT needs at least one of PPPOS_SUPPORT, PPPOE_SUPPORT or PPPOL2TP_SUPPORT turned on" +#endif +#if PPP_SUPPORT && !PPP_IPV4_SUPPORT && !PPP_IPV6_SUPPORT + #error "PPP_SUPPORT needs PPP_IPV4_SUPPORT and/or PPP_IPV6_SUPPORT turned on" +#endif +#if PPP_SUPPORT && PPP_IPV4_SUPPORT && !LWIP_IPV4 + #error "PPP_IPV4_SUPPORT needs LWIP_IPV4 turned on" +#endif +#if PPP_SUPPORT && PPP_IPV6_SUPPORT && !LWIP_IPV6 + #error "PPP_IPV6_SUPPORT needs LWIP_IPV6 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_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 LWIP_NETCONN && LWIP_TCP +#if NETCONN_COPY != TCP_WRITE_FLAG_COPY + #error "NETCONN_COPY != TCP_WRITE_FLAG_COPY" +#endif +#if NETCONN_MORE != TCP_WRITE_FLAG_MORE + #error "NETCONN_MORE != TCP_WRITE_FLAG_MORE" +#endif +#endif /* LWIP_NETCONN && LWIP_TCP */ +#if LWIP_SOCKET +/* Check that the SO_* socket options and SOF_* lwIP-internal flags match */ +#if SO_REUSEADDR != SOF_REUSEADDR + #error "WARNING: SO_REUSEADDR != SOF_REUSEADDR" +#endif +#if SO_KEEPALIVE != SOF_KEEPALIVE + #error "WARNING: SO_KEEPALIVE != SOF_KEEPALIVE" +#endif +#if SO_BROADCAST != SOF_BROADCAST + #error "WARNING: SO_BROADCAST != SOF_BROADCAST" +#endif +#endif /* LWIP_SOCKET */ + + +/* 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 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 !NO_SYS && LWIP_TCPIP_CORE_LOCKING && LWIP_COMPAT_MUTEX && !defined(LWIP_COMPAT_MUTEX_ALLOWED) + #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.)" +#endif + +#ifndef LWIP_DISABLE_TCP_SANITY_CHECKS +#define LWIP_DISABLE_TCP_SANITY_CHECKS 0 +#endif +#ifndef LWIP_DISABLE_MEMP_SANITY_CHECKS +#define LWIP_DISABLE_MEMP_SANITY_CHECKS 0 +#endif + +/* MEMP sanity checks */ +#if MEMP_MEM_MALLOC +#if !LWIP_DISABLE_MEMP_SANITY_CHECKS +#if LWIP_NETCONN || LWIP_SOCKET +#if !MEMP_NUM_NETCONN && LWIP_SOCKET +#error "lwip_sanity_check: WARNING: MEMP_NUM_NETCONN cannot be 0 when using sockets!" +#endif +#else /* MEMP_MEM_MALLOC */ +#if MEMP_NUM_NETCONN > (MEMP_NUM_TCP_PCB+MEMP_NUM_TCP_PCB_LISTEN+MEMP_NUM_UDP_PCB+MEMP_NUM_RAW_PCB) +#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." +#endif +#endif /* LWIP_NETCONN || LWIP_SOCKET */ +#endif /* !LWIP_DISABLE_MEMP_SANITY_CHECKS */ +#if MEM_USE_POOLS +#error "MEMP_MEM_MALLOC and MEM_USE_POOLS cannot be enabled at the same time" +#endif +#ifdef LWIP_HOOK_MEMP_AVAILABLE +#error "LWIP_HOOK_MEMP_AVAILABLE doesn't make sense with MEMP_MEM_MALLOC" +#endif +#endif /* MEMP_MEM_MALLOC */ + +/* TCP sanity checks */ +#if !LWIP_DISABLE_TCP_SANITY_CHECKS +#if LWIP_TCP +#if !MEMP_MEM_MALLOC && (MEMP_NUM_TCP_SEG < TCP_SND_QUEUELEN) + #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." +#endif +#if TCP_SND_BUF < (2 * TCP_MSS) + #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." +#endif +#if TCP_SND_QUEUELEN < (2 * (TCP_SND_BUF / TCP_MSS)) + #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." +#endif +#if TCP_SNDLOWAT >= TCP_SND_BUF + #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." +#endif +#if TCP_SNDLOWAT >= (0xFFFF - (4 * TCP_MSS)) + #error "lwip_sanity_check: WARNING: TCP_SNDLOWAT must at least be 4*MSS below u16_t overflow!" +#endif +#if TCP_SNDQUEUELOWAT >= TCP_SND_QUEUELEN + #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." +#endif +#if !MEMP_MEM_MALLOC && PBUF_POOL_SIZE && (PBUF_POOL_BUFSIZE <= (PBUF_LINK_ENCAPSULATION_HLEN + PBUF_LINK_HLEN + PBUF_IP_HLEN + PBUF_TRANSPORT_HLEN)) + #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." +#endif +#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)))) + #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." +#endif +#if TCP_WND < TCP_MSS + #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." +#endif +#endif /* LWIP_TCP */ +#endif /* !LWIP_DISABLE_TCP_SANITY_CHECKS */ + +/** + * @ingroup lwip_nosys + * Initialize all modules. + * Use this in NO_SYS mode. Use tcpip_init() otherwise. + */ +void +lwip_init(void) +{ +#ifndef LWIP_SKIP_CONST_CHECK + int a; + LWIP_UNUSED_ARG(a); + LWIP_ASSERT("LWIP_CONST_CAST not implemented correctly. Check your lwIP port.", LWIP_CONST_CAST(void*, &a) == &a); +#endif +#ifndef LWIP_SKIP_PACKING_CHECK + LWIP_ASSERT("Struct packing not implemented correctly. Check your lwIP port.", sizeof(struct packed_struct_test) == PACKED_STRUCT_TEST_EXPECTED_SIZE); +#endif + + /* Modules initialization */ + stats_init(); +#if !NO_SYS + sys_init(); +#endif /* !NO_SYS */ + mem_init(); + memp_init(); + pbuf_init(); + netif_init(); +#if LWIP_IPV4 + ip_init(); +#if LWIP_ARP + etharp_init(); +#endif /* LWIP_ARP */ +#endif /* LWIP_IPV4 */ +#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_IGMP + igmp_init(); +#endif /* LWIP_IGMP */ +#if LWIP_DNS + dns_init(); +#endif /* LWIP_DNS */ +#if PPP_SUPPORT + ppp_init(); +#endif + +#if LWIP_TIMERS + sys_timeouts_init(); +#endif /* LWIP_TIMERS */ +} |