64#ifndef LWIP_SKIP_PACKING_CHECK
66#ifdef PACK_STRUCT_USE_INCLUDES
75#ifdef PACK_STRUCT_USE_INCLUDES
78#define PACKED_STRUCT_TEST_EXPECTED_SIZE 5
86#error "BYTE_ORDER is not defined, you have to define it in your cc.h"
88#if (!IP_SOF_BROADCAST && IP_SOF_BROADCAST_RECV)
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"
91#if (!LWIP_UDP && LWIP_UDPLITE)
92#error "If you want to use UDP Lite, you have to define LWIP_UDP=1 in your lwipopts.h"
94#if (!LWIP_UDP && LWIP_DHCP)
95#error "If you want to use DHCP, you have to define LWIP_UDP=1 in your lwipopts.h"
97#if (!LWIP_UDP && !LWIP_RAW && LWIP_MULTICAST_TX_OPTIONS)
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"
100#if (!LWIP_UDP && LWIP_DNS)
101#error "If you want to use DNS, you have to define LWIP_UDP=1 in your lwipopts.h"
104#if (LWIP_ARP && ARP_QUEUEING && (MEMP_NUM_ARP_QUEUE<=0))
105#error "If you want to use ARP Queueing, you have to define MEMP_NUM_ARP_QUEUE>=1 in your lwipopts.h"
107#if (LWIP_RAW && (MEMP_NUM_RAW_PCB<=0))
108#error "If you want to use RAW, you have to define MEMP_NUM_RAW_PCB>=1 in your lwipopts.h"
110#if (LWIP_UDP && (MEMP_NUM_UDP_PCB<=0))
111#error "If you want to use UDP, you have to define MEMP_NUM_UDP_PCB>=1 in your lwipopts.h"
113#if (LWIP_TCP && (MEMP_NUM_TCP_PCB<=0))
114#error "If you want to use TCP, you have to define MEMP_NUM_TCP_PCB>=1 in your lwipopts.h"
116#if (LWIP_IGMP && (MEMP_NUM_IGMP_GROUP<=1))
117#error "If you want to use IGMP, you have to define MEMP_NUM_IGMP_GROUP>1 in your lwipopts.h"
119#if (LWIP_IGMP && !LWIP_MULTICAST_TX_OPTIONS)
120#error "If you want to use IGMP, you have to define LWIP_MULTICAST_TX_OPTIONS==1 in your lwipopts.h"
122#if (LWIP_IGMP && !LWIP_IPV4)
123#error "IGMP needs LWIP_IPV4 enabled in your lwipopts.h"
125#if ((LWIP_NETCONN || LWIP_SOCKET) && (MEMP_NUM_TCPIP_MSG_API<=0))
126#error "If you want to use Sequential API, you have to define MEMP_NUM_TCPIP_MSG_API>=1 in your lwipopts.h"
129#if LWIP_TIMERS && (MEMP_NUM_SYS_TIMEOUT < LWIP_NUM_SYS_TIMEOUT_INTERNAL)
130#error "MEMP_NUM_SYS_TIMEOUT is too low to accommodate all required timeouts"
132#if (IP_REASSEMBLY && (MEMP_NUM_REASSDATA > IP_REASS_MAX_PBUFS))
133#error "MEMP_NUM_REASSDATA > IP_REASS_MAX_PBUFS doesn't make sense since each struct ip_reassdata must hold 2 pbufs at least!"
137#if (LWIP_TCP && (TCP_WND > 0xffffffff))
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"
140#if (LWIP_TCP && (TCP_RCV_SCALE > 14))
141#error "The maximum valid window scale value is 14!"
143#if (LWIP_TCP && (TCP_WND > (0xFFFFU << TCP_RCV_SCALE)))
144#error "TCP_WND is bigger than the configured LWIP_WND_SCALE allows!"
146#if (LWIP_TCP && ((TCP_WND >> TCP_RCV_SCALE) == 0))
147#error "TCP_WND is too small for the configured LWIP_WND_SCALE (results in zero window)!"
150#if (LWIP_TCP && (TCP_WND > 0xffff))
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)"
154#if (LWIP_TCP && (TCP_SND_QUEUELEN > 0xffff))
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"
157#if (LWIP_TCP && (TCP_SND_QUEUELEN < 2))
158#error "TCP_SND_QUEUELEN must be at least 2 for no-copy TCP writes to work"
160#if (LWIP_TCP && ((TCP_MAXRTX > 12) || (TCP_SYNMAXRTX > 12)))
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"
163#if (LWIP_TCP && TCP_LISTEN_BACKLOG && ((TCP_DEFAULT_LISTEN_BACKLOG < 0) || (TCP_DEFAULT_LISTEN_BACKLOG > 0xff)))
164#error "If you want to use TCP backlog, TCP_DEFAULT_LISTEN_BACKLOG must fit into an u8_t"
166#if (LWIP_TCP && LWIP_TCP_SACK_OUT && !TCP_QUEUE_OOSEQ)
167#error "To use LWIP_TCP_SACK_OUT, TCP_QUEUE_OOSEQ needs to be enabled"
169#if (LWIP_TCP && LWIP_TCP_SACK_OUT && (LWIP_TCP_MAX_SACK_NUM < 1))
170#error "LWIP_TCP_MAX_SACK_NUM must be greater than 0"
172#if (LWIP_NETIF_API && (NO_SYS==1))
173#error "If you want to use NETIF API, you have to define NO_SYS=0 in your lwipopts.h"
175#if ((LWIP_SOCKET || LWIP_NETCONN) && (NO_SYS==1))
176#error "If you want to use Sequential API, you have to define NO_SYS=0 in your lwipopts.h"
178#if (LWIP_PPP_API && (NO_SYS==1))
179#error "If you want to use PPP API, you have to define NO_SYS=0 in your lwipopts.h"
181#if (LWIP_PPP_API && (PPP_SUPPORT==0))
182#error "If you want to use PPP API, you have to enable PPP_SUPPORT in your lwipopts.h"
184#if (((!LWIP_DHCP) || (!LWIP_AUTOIP)) && LWIP_DHCP_AUTOIP_COOP)
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"
187#if (((!LWIP_DHCP) || (!LWIP_ARP) || (!LWIP_ACD)) && LWIP_DHCP_DOES_ACD_CHECK)
188#error "If you want to use DHCP ACD checking, you have to define LWIP_DHCP=1, LWIP_ARP=1 and LWIP_ACD=1 in your lwipopts.h"
190#if (!LWIP_ARP && LWIP_AUTOIP)
191#error "If you want to use AUTOIP, you have to define LWIP_ARP=1 in your lwipopts.h"
193#if (LWIP_TCP && ((LWIP_EVENT_API && LWIP_CALLBACK_API) || (!LWIP_EVENT_API && !LWIP_CALLBACK_API)))
194#error "One and exactly one of LWIP_EVENT_API and LWIP_CALLBACK_API has to be enabled in your lwipopts.h"
196#if (LWIP_ALTCP && LWIP_EVENT_API)
197#error "The application layered tcp API does not work with LWIP_EVENT_API"
199#if (MEM_LIBC_MALLOC && MEM_USE_POOLS)
200#error "MEM_LIBC_MALLOC and MEM_USE_POOLS may not both be simultaneously enabled in your lwipopts.h"
202#if (MEM_USE_POOLS && !MEMP_USE_CUSTOM_POOLS)
203#error "MEM_USE_POOLS requires custom pools (MEMP_USE_CUSTOM_POOLS) to be enabled in your lwipopts.h"
205#if (PBUF_POOL_BUFSIZE <= MEM_ALIGNMENT)
206#error "PBUF_POOL_BUFSIZE must be greater than MEM_ALIGNMENT or the offset may take the full first pbuf"
208#if (DNS_LOCAL_HOSTLIST && !DNS_LOCAL_HOSTLIST_IS_DYNAMIC && !(defined(DNS_LOCAL_HOSTLIST_INIT)))
209#error "you have to define define DNS_LOCAL_HOSTLIST_INIT {{'host1', 0x123}, {'host2', 0x234}} to initialize DNS_LOCAL_HOSTLIST"
211#if PPP_SUPPORT && !PPPOS_SUPPORT && !PPPOE_SUPPORT && !PPPOL2TP_SUPPORT
212#error "PPP_SUPPORT needs at least one of PPPOS_SUPPORT, PPPOE_SUPPORT or PPPOL2TP_SUPPORT turned on"
214#if PPP_SUPPORT && !PPP_IPV4_SUPPORT && !PPP_IPV6_SUPPORT
215#error "PPP_SUPPORT needs PPP_IPV4_SUPPORT and/or PPP_IPV6_SUPPORT turned on"
217#if PPP_SUPPORT && PPP_IPV4_SUPPORT && !LWIP_IPV4
218#error "PPP_IPV4_SUPPORT needs LWIP_IPV4 turned on"
220#if PPP_SUPPORT && PPP_IPV6_SUPPORT && !LWIP_IPV6
221#error "PPP_IPV6_SUPPORT needs LWIP_IPV6 turned on"
223#if PPP_SUPPORT && CCP_SUPPORT && !MPPE_SUPPORT
224#error "CCP_SUPPORT needs MPPE_SUPPORT turned on"
226#if !LWIP_ETHERNET && (LWIP_ARP || PPPOE_SUPPORT)
227#error "LWIP_ETHERNET needs to be turned on for LWIP_ARP or PPPOE_SUPPORT"
229#if LWIP_TCPIP_CORE_LOCKING_INPUT && !LWIP_TCPIP_CORE_LOCKING
230#error "When using LWIP_TCPIP_CORE_LOCKING_INPUT, LWIP_TCPIP_CORE_LOCKING must be enabled, too"
232#if LWIP_TCP && LWIP_NETIF_TX_SINGLE_PBUF && !TCP_OVERSIZE
233#error "LWIP_NETIF_TX_SINGLE_PBUF needs TCP_OVERSIZE enabled to create single-pbuf TCP packets"
235#if LWIP_NETCONN && LWIP_TCP
236#if NETCONN_COPY != TCP_WRITE_FLAG_COPY
237#error "NETCONN_COPY != TCP_WRITE_FLAG_COPY"
239#if NETCONN_MORE != TCP_WRITE_FLAG_MORE
240#error "NETCONN_MORE != TCP_WRITE_FLAG_MORE"
243#if LWIP_NETCONN_FULLDUPLEX && !LWIP_NETCONN_SEM_PER_THREAD
244#error "For LWIP_NETCONN_FULLDUPLEX to work, LWIP_NETCONN_SEM_PER_THREAD is required"
250#ifdef MEMP_NUM_TCPIP_MSG
251#error "MEMP_NUM_TCPIP_MSG option is deprecated. Remove it from your lwipopts.h."
253#ifdef TCP_REXMIT_DEBUG
254#error "TCP_REXMIT_DEBUG option is deprecated. Remove it from your lwipopts.h."
257#error "RAW_STATS option is deprecated. Remove it from your lwipopts.h."
259#ifdef ETHARP_QUEUE_FIRST
260#error "ETHARP_QUEUE_FIRST option is deprecated. Remove it from your lwipopts.h."
262#ifdef ETHARP_ALWAYS_INSERT
263#error "ETHARP_ALWAYS_INSERT option is deprecated. Remove it from your lwipopts.h."
265#if !NO_SYS && LWIP_TCPIP_CORE_LOCKING && LWIP_COMPAT_MUTEX && !defined(LWIP_COMPAT_MUTEX_ALLOWED)
266#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.)"
269#ifndef LWIP_DISABLE_TCP_SANITY_CHECKS
270#define LWIP_DISABLE_TCP_SANITY_CHECKS 0
272#ifndef LWIP_DISABLE_MEMP_SANITY_CHECKS
273#define LWIP_DISABLE_MEMP_SANITY_CHECKS 0
278#if !LWIP_DISABLE_MEMP_SANITY_CHECKS
279#if LWIP_NETCONN || LWIP_SOCKET
280#if !MEMP_NUM_NETCONN && LWIP_SOCKET
281#error "lwip_sanity_check: WARNING: MEMP_NUM_NETCONN cannot be 0 when using sockets!"
284#if MEMP_NUM_NETCONN > (MEMP_NUM_TCP_PCB+MEMP_NUM_TCP_PCB_LISTEN+MEMP_NUM_UDP_PCB+MEMP_NUM_RAW_PCB)
285#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."
290#error "MEMP_MEM_MALLOC and MEM_USE_POOLS cannot be enabled at the same time"
292#ifdef LWIP_HOOK_MEMP_AVAILABLE
293#error "LWIP_HOOK_MEMP_AVAILABLE doesn't make sense with MEMP_MEM_MALLOC"
298#if !LWIP_DISABLE_TCP_SANITY_CHECKS
300#if !MEMP_MEM_MALLOC && (MEMP_NUM_TCP_SEG < TCP_SND_QUEUELEN)
301#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#if TCP_SND_BUF < (2 * TCP_MSS)
304#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#if TCP_SND_QUEUELEN < (2 * (TCP_SND_BUF / TCP_MSS))
307#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#if TCP_SNDLOWAT >= TCP_SND_BUF
310#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#if TCP_MSS >= ((16 * 1024) - 1)
313#error "lwip_sanity_check: WARNING: TCP_MSS must be <= 16382 to prevent u16_t underflow in TCP_SNDLOWAT calculation!"
315#if TCP_SNDLOWAT >= (0xFFFF - (4 * TCP_MSS))
316#error "lwip_sanity_check: WARNING: TCP_SNDLOWAT must at least be 4*MSS below u16_t overflow!"
318#if TCP_SNDQUEUELOWAT >= TCP_SND_QUEUELEN
319#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."
321#if !MEMP_MEM_MALLOC && PBUF_POOL_SIZE && (PBUF_POOL_BUFSIZE <= (PBUF_LINK_ENCAPSULATION_HLEN + PBUF_LINK_HLEN + PBUF_IP_HLEN + PBUF_TRANSPORT_HLEN))
322#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."
324#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))))
325#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."
328#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."
341#ifndef LWIP_SKIP_CONST_CHECK
346#ifndef LWIP_SKIP_PACKING_CHECK
STREAM tcp_init(uint32 maxlen)
PACK_STRUCT_BEGIN struct packed_struct_test PACK_STRUCT_STRUCT
#define PACKED_STRUCT_TEST_EXPECTED_SIZE
#define LWIP_ASSERT(message, assertion)
GLboolean GLboolean GLboolean GLboolean a
#define LWIP_UNUSED_ARG(x)
#define PACK_STRUCT_BEGIN
#define LWIP_CONST_CAST(target_type, val)
PACK_STRUCT_FLD_8(u8_t dummy1)
PACK_STRUCT_FIELD(u32_t dummy2)