3 * Modules initialization
8 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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33 * This file is part of the lwIP TCP/IP stack.
35 * Author: Adam Dunkels <adam@sics.se>
41 #include "lwip/init.h"
42 #include "lwip/stats.h"
45 #include "lwip/memp.h"
46 #include "lwip/pbuf.h"
47 #include "lwip/netif.h"
48 #include "lwip/sockets.h"
53 #include "lwip/autoip.h"
54 #include "lwip/igmp.h"
56 #include "netif/etharp.h"
58 /* Compile-time sanity checks for configuration errors.
59 * These can be done independently of LWIP_DEBUG, without penalty.
62 #error "BYTE_ORDER is not defined, you have to define it in your cc.h"
64 #if (!LWIP_ARP && ARP_QUEUEING)
65 #error "If you want to use ARP Queueing, you have to define LWIP_ARP=1 in your lwipopts.h"
67 #if (!LWIP_UDP && LWIP_UDPLITE)
68 #error "If you want to use UDP Lite, you have to define LWIP_UDP=1 in your lwipopts.h"
70 #if (!LWIP_UDP && LWIP_SNMP)
71 #error "If you want to use SNMP, you have to define LWIP_UDP=1 in your lwipopts.h"
73 #if (!LWIP_UDP && LWIP_DHCP)
74 #error "If you want to use DHCP, you have to define LWIP_UDP=1 in your lwipopts.h"
76 #if (!LWIP_UDP && LWIP_IGMP)
77 #error "If you want to use IGMP, you have to define LWIP_UDP=1 in your lwipopts.h"
79 #if (!LWIP_UDP && LWIP_DNS)
80 #error "If you want to use DNS, you have to define LWIP_UDP=1 in your lwipopts.h"
82 #if (LWIP_ARP && (ARP_TABLE_SIZE > 0x7f))
83 #error "If you want to use ARP, ARP_TABLE_SIZE must fit in an s8_t, so, you have to reduce it in your lwipopts.h"
85 #if (LWIP_ARP && ARP_QUEUEING && (MEMP_NUM_ARP_QUEUE<=0))
86 #error "If you want to use ARP Queueing, you have to define MEMP_NUM_ARP_QUEUE>=1 in your lwipopts.h"
88 #if (LWIP_RAW && (MEMP_NUM_RAW_PCB<=0))
89 #error "If you want to use RAW, you have to define MEMP_NUM_RAW_PCB>=1 in your lwipopts.h"
91 #if (LWIP_UDP && (MEMP_NUM_UDP_PCB<=0))
92 #error "If you want to use UDP, you have to define MEMP_NUM_UDP_PCB>=1 in your lwipopts.h"
94 #if (LWIP_TCP && (MEMP_NUM_TCP_PCB<=0))
95 #error "If you want to use TCP, you have to define MEMP_NUM_TCP_PCB>=1 in your lwipopts.h"
97 #if (LWIP_TCP && (TCP_WND > 0xffff))
98 #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"
100 #if (LWIP_TCP && (TCP_SND_QUEUELEN > 0xffff))
101 #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"
103 #if (LWIP_TCP && ((TCP_MAXRTX > 12) || (TCP_SYNMAXRTX > 12)))
104 #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"
106 #if (LWIP_TCP && TCP_LISTEN_BACKLOG && (TCP_DEFAULT_LISTEN_BACKLOG < 0) || (TCP_DEFAULT_LISTEN_BACKLOG > 0xff))
107 #error "If you want to use TCP backlog, TCP_DEFAULT_LISTEN_BACKLOG must fit into an u8_t"
109 #if (LWIP_IGMP && (MEMP_NUM_IGMP_GROUP<=1))
110 #error "If you want to use IGMP, you have to define MEMP_NUM_IGMP_GROUP>1 in your lwipopts.h"
112 #if (PPP_SUPPORT && (NO_SYS==1))
113 #error "If you want to use PPP, you have to define NO_SYS=0 in your lwipopts.h"
115 #if (LWIP_NETIF_API && (NO_SYS==1))
116 #error "If you want to use NETIF API, you have to define NO_SYS=0 in your lwipopts.h"
118 #if ((LWIP_SOCKET || LWIP_NETCONN) && (NO_SYS==1))
119 #error "If you want to use Sequential API, you have to define NO_SYS=0 in your lwipopts.h"
121 #if ((LWIP_NETCONN || LWIP_SOCKET) && (MEMP_NUM_TCPIP_MSG_API<=0))
122 #error "If you want to use Sequential API, you have to define MEMP_NUM_TCPIP_MSG_API>=1 in your lwipopts.h"
124 #if (!LWIP_NETCONN && LWIP_SOCKET)
125 #error "If you want to use Socket API, you have to define LWIP_NETCONN=1 in your lwipopts.h"
127 #if (((!LWIP_DHCP) || (!LWIP_AUTOIP)) && LWIP_DHCP_AUTOIP_COOP)
128 #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"
130 #if (((!LWIP_DHCP) || (!LWIP_ARP)) && DHCP_DOES_ARP_CHECK)
131 #error "If you want to use DHCP ARP checking, you have to define LWIP_DHCP=1 and LWIP_ARP=1 in your lwipopts.h"
133 #if (!LWIP_ARP && LWIP_AUTOIP)
134 #error "If you want to use AUTOIP, you have to define LWIP_ARP=1 in your lwipopts.h"
136 #if (LWIP_SNMP && (SNMP_CONCURRENT_REQUESTS<=0))
137 #error "If you want to use SNMP, you have to define SNMP_CONCURRENT_REQUESTS>=1 in your lwipopts.h"
139 #if (LWIP_SNMP && (SNMP_TRAP_DESTINATIONS<=0))
140 #error "If you want to use SNMP, you have to define SNMP_TRAP_DESTINATIONS>=1 in your lwipopts.h"
142 #if (LWIP_TCP && ((LWIP_EVENT_API && LWIP_CALLBACK_API) || (!LWIP_EVENT_API && !LWIP_CALLBACK_API)))
143 #error "One and exactly one of LWIP_EVENT_API and LWIP_CALLBACK_API has to be enabled in your lwipopts.h"
145 /* There must be sufficient timeouts, taking into account requirements of the subsystems. */
146 #if ((NO_SYS==0) && (MEMP_NUM_SYS_TIMEOUT < (LWIP_TCP + IP_REASSEMBLY + LWIP_ARP + (2*LWIP_DHCP) + LWIP_AUTOIP + LWIP_IGMP + LWIP_DNS + PPP_SUPPORT)))
147 #error "MEMP_NUM_SYS_TIMEOUT is too low to accomodate all required timeouts"
149 #if (IP_REASSEMBLY && (MEMP_NUM_REASSDATA > IP_REASS_MAX_PBUFS))
150 #error "MEMP_NUM_REASSDATA > IP_REASS_MAX_PBUFS doesn't make sense since each struct ip_reassdata must hold 2 pbufs at least!"
152 #if (MEM_LIBC_MALLOC && MEM_USE_POOLS)
153 #error "MEM_LIBC_MALLOC and MEM_USE_POOLS may not both be simultaneously enabled in your lwipopts.h"
155 #if (MEM_USE_POOLS && !MEMP_USE_CUSTOM_POOLS)
156 #error "MEM_USE_POOLS requires custom pools (MEMP_USE_CUSTOM_POOLS) to be enabled in your lwipopts.h"
160 /* Compile-time checks for deprecated options.
162 #ifdef MEMP_NUM_TCPIP_MSG
163 #error "MEMP_NUM_TCPIP_MSG option is deprecated. Remove it from your lwipopts.h."
165 #ifdef MEMP_NUM_API_MSG
166 #error "MEMP_NUM_API_MSG option is deprecated. Remove it from your lwipopts.h."
168 #ifdef TCP_REXMIT_DEBUG
169 #error "TCP_REXMIT_DEBUG option is deprecated. Remove it from your lwipopts.h."
172 #error "RAW_STATS option is deprecated. Remove it from your lwipopts.h."
174 #ifdef ETHARP_QUEUE_FIRST
175 #error "ETHARP_QUEUE_FIRST option is deprecated. Remove it from your lwipopts.h."
177 #ifdef ETHARP_ALWAYS_INSERT
178 #error "ETHARP_ALWAYS_INSERT option is deprecated. Remove it from your lwipopts.h."
181 /* I removed the lot since this was an ugly hack. It broke the raw-API.
182 It also came with many ugly goto's, Christiaan Simons. */
183 #error "SO_REUSE currently unavailable, this was a hack"
188 lwip_sanity_check(void)
192 if (MEMP_NUM_NETCONN > (MEMP_NUM_TCP_PCB+MEMP_NUM_TCP_PCB_LISTEN+MEMP_NUM_UDP_PCB+MEMP_NUM_RAW_PCB))
193 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"));
194 #endif /* LWIP_NETCONN */
196 if (MEMP_NUM_TCP_SEG < TCP_SND_QUEUELEN)
197 LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: MEMP_NUM_TCP_SEG should be at least as big as TCP_SND_QUEUELEN\n"));
198 if (TCP_SND_QUEUELEN < (2 * (TCP_SND_BUF/TCP_MSS)))
199 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"));
200 if (TCP_SNDLOWAT > TCP_SND_BUF)
201 LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_SNDLOWAT must be less than or equal to TCP_SND_BUF.\n"));
202 if (TCP_WND > (PBUF_POOL_SIZE*PBUF_POOL_BUFSIZE))
203 LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_WND is larger than space provided by PBUF_POOL_SIZE*PBUF_POOL_BUFSIZE\n"));
204 if (TCP_WND < TCP_MSS)
205 LWIP_PLATFORM_DIAG(("lwip_sanity_check: WARNING: TCP_WND is smaller than MSS\n"));
206 #endif /* LWIP_TCP */
208 #else /* LWIP_DEBUG */
209 #define lwip_sanity_check()
210 #endif /* LWIP_DEBUG */
213 * Perform Sanity check of user-configurable values, and initialize all modules.
218 /* Sanity check user-configurable values */
221 /* Modules initialization */
230 #endif /* LWIP_SOCKET */
234 #endif /* LWIP_ARP */
237 #endif /* LWIP_RAW */
240 #endif /* LWIP_UDP */
243 #endif /* LWIP_TCP */
246 #endif /* LWIP_AUTOIP */
249 #endif /* LWIP_IGMP */
252 #endif /* LWIP_DNS */