/** * @file * * lwIP Options Configuration */ /* * 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 * */ /* * NOTE: || defined __DOXYGEN__ is a workaround for doxygen bug - * without this, doxygen does not see the actual #define */ #if !defined LWIP_HDR_OPT_H #define LWIP_HDR_OPT_H /* * Include user defined options first. Anything not defined in these files * will be set to standard values. Override anything you don't like! */ #include "lwipopts.h" #include "lwip/debug.h" /** * @defgroup lwip_opts Options (lwipopts.h) * @ingroup lwip * * @defgroup lwip_opts_debug Debugging * @ingroup lwip_opts * * @defgroup lwip_opts_infrastructure Infrastructure * @ingroup lwip_opts * * @defgroup lwip_opts_callback Callback-style APIs * @ingroup lwip_opts * * @defgroup lwip_opts_threadsafe_apis Thread-safe APIs * @ingroup lwip_opts */ /* ------------------------------------ -------------- NO SYS -------------- ------------------------------------ */ /** * @defgroup lwip_opts_nosys NO_SYS * @ingroup lwip_opts_infrastructure * @{ */ /** * NO_SYS==1: Use lwIP without OS-awareness (no thread, semaphores, mutexes or * mboxes). This means threaded APIs cannot be used (socket, netconn, * i.e. everything in the 'api' folder), only the callback-style raw API is * available (and you have to watch out for yourself that you don't access * lwIP functions/structures from more than one context at a time!) */ #if !defined NO_SYS || defined __DOXYGEN__ #define NO_SYS 0 #endif /** * @} */ /** * @defgroup lwip_opts_timers Timers * @ingroup lwip_opts_infrastructure * @{ */ /** * LWIP_TIMERS==0: Drop support for sys_timeout and lwip-internal cyclic timers. * (the array of lwip-internal cyclic timers is still provided) * (check NO_SYS_NO_TIMERS for compatibility to old versions) */ #if !defined LWIP_TIMERS || defined __DOXYGEN__ #ifdef NO_SYS_NO_TIMERS #define LWIP_TIMERS (!NO_SYS || (NO_SYS && !NO_SYS_NO_TIMERS)) #else #define LWIP_TIMERS 1 #endif #endif /** * LWIP_TIMERS_CUSTOM==1: Provide your own timer implementation. * Function prototypes in timeouts.h and the array of lwip-internal cyclic timers * are still included, but the implementation is not. The following functions * will be required: sys_timeouts_init(), sys_timeout(), sys_untimeout(), * sys_timeouts_mbox_fetch() */ #if !defined LWIP_TIMERS_CUSTOM || defined __DOXYGEN__ #define LWIP_TIMERS_CUSTOM 0 #endif /** * @} */ /** * @defgroup lwip_opts_memcpy memcpy * @ingroup lwip_opts_infrastructure * @{ */ /** * MEMCPY: override this if you have a faster implementation at hand than the * one included in your C library */ #if !defined MEMCPY || defined __DOXYGEN__ #define MEMCPY(dst,src,len) memcpy(dst,src,len) #endif /** * SMEMCPY: override this with care! Some compilers (e.g. gcc) can inline a * call to memcpy() if the length is known at compile time and is small. */ #if !defined SMEMCPY || defined __DOXYGEN__ #define SMEMCPY(dst,src,len) memcpy(dst,src,len) #endif /** * MEMMOVE: override this if you have a faster implementation at hand than the * one included in your C library. lwIP currently uses MEMMOVE only when IPv6 * fragmentation support is enabled. */ #if !defined MEMMOVE || defined __DOXYGEN__ #define MEMMOVE(dst,src,len) memmove(dst,src,len) #endif /** * @} */ /* ------------------------------------ ----------- Core locking ----------- ------------------------------------ */ /** * @defgroup lwip_opts_lock Core locking and MPU * @ingroup lwip_opts_infrastructure * @{ */ /** * LWIP_MPU_COMPATIBLE: enables special memory management mechanism * which makes lwip able to work on MPU (Memory Protection Unit) system * by not passing stack-pointers to other threads * (this decreases performance as memory is allocated from pools instead * of keeping it on the stack) */ #if !defined LWIP_MPU_COMPATIBLE || defined __DOXYGEN__ #define LWIP_MPU_COMPATIBLE 0 #endif /** * LWIP_TCPIP_CORE_LOCKING * Creates a global mutex that is held during TCPIP thread operations. * Can be locked by client code to perform lwIP operations without changing * into TCPIP thread using callbacks. See LOCK_TCPIP_CORE() and * UNLOCK_TCPIP_CORE(). * Your system should provide mutexes supporting priority inversion to use this. */ #if !defined LWIP_TCPIP_CORE_LOCKING || defined __DOXYGEN__ #define LWIP_TCPIP_CORE_LOCKING 1 #endif /** * LWIP_TCPIP_CORE_LOCKING_INPUT: when LWIP_TCPIP_CORE_LOCKING is enabled, * this lets tcpip_input() grab the mutex for input packets as well, * instead of allocating a message and passing it to tcpip_thread. * * ATTENTION: this does not work when tcpip_input() is called from * interrupt context! */ #if !defined LWIP_TCPIP_CORE_LOCKING_INPUT || defined __DOXYGEN__ #define LWIP_TCPIP_CORE_LOCKING_INPUT 0 #endif /** * SYS_LIGHTWEIGHT_PROT==1: enable inter-task protection (and task-vs-interrupt * protection) for certain critical regions during buffer allocation, deallocation * and memory allocation and deallocation. * ATTENTION: This is required when using lwIP from more than one context! If * you disable this, you must be sure what you are doing! */ #if !defined SYS_LIGHTWEIGHT_PROT || defined __DOXYGEN__ #define SYS_LIGHTWEIGHT_PROT 1 #endif /** * Macro/function to check whether lwIP's threading/locking * requirements are satisfied during current function call. * This macro usually calls a function that is implemented in the OS-dependent * sys layer and performs the following checks: * - Not in ISR (this should be checked for NO_SYS==1, too!) * - If @ref LWIP_TCPIP_CORE_LOCKING = 1: TCPIP core lock is held * - If @ref LWIP_TCPIP_CORE_LOCKING = 0: function is called from TCPIP thread * @see @ref multithreading */ #if !defined LWIP_ASSERT_CORE_LOCKED || defined __DOXYGEN__ #define LWIP_ASSERT_CORE_LOCKED() #endif /** * @} */ /* ------------------------------------ ---------- Memory options ---------- ------------------------------------ */ /** * @defgroup lwip_opts_mem Heap and memory pools * @ingroup lwip_opts_infrastructure * @{ */ /** * MEM_LIBC_MALLOC==1: Use malloc/free/realloc provided by your C-library * instead of the lwip internal allocator. Can save code size if you * already use it. */ #if !defined MEM_LIBC_MALLOC || defined __DOXYGEN__ #define MEM_LIBC_MALLOC 0 #endif /** * MEMP_MEM_MALLOC==1: Use mem_malloc/mem_free instead of the lwip pool allocator. * Especially useful with MEM_LIBC_MALLOC but handle with care regarding execution * speed (heap alloc can be much slower than pool alloc) and usage from interrupts * (especially if your netif driver allocates PBUF_POOL pbufs for received frames * from interrupt)! * ATTENTION: Currently, this uses the heap for ALL pools (also for private pools, * not only for internal pools defined in memp_std.h)! */ #if !defined MEMP_MEM_MALLOC || defined __DOXYGEN__ #define MEMP_MEM_MALLOC 0 #endif /** * MEMP_MEM_INIT==1: Force use of memset to initialize pool memory. * Useful if pool are moved in uninitialized section of memory. This will ensure * default values in pcbs struct are well initialized in all conditions. */ #if !defined MEMP_MEM_INIT || defined __DOXYGEN__ #define MEMP_MEM_INIT 0 #endif /** * MEM_ALIGNMENT: should be set to the alignment of the CPU * 4 byte alignment -> \#define MEM_ALIGNMENT 4 * 2 byte alignment -> \#define MEM_ALIGNMENT 2 */ #if !defined MEM_ALIGNMENT || defined __DOXYGEN__ #define MEM_ALIGNMENT 1 #endif /** * MEM_SIZE: the size of the heap memory. If the application will send * a lot of data that needs to be copied, this should be set high. */ #if !defined MEM_SIZE || defined __DOXYGEN__ #define MEM_SIZE 1600 #endif /** * MEMP_OVERFLOW_CHECK: memp overflow protection reserves a configurable * amount of bytes before and after each memp element in every pool and fills * it with a prominent default value. * MEMP_OVERFLOW_CHECK == 0 no checking * MEMP_OVERFLOW_CHECK == 1 checks each element when it is freed * MEMP_OVERFLOW_CHECK >= 2 checks each element in every pool every time * memp_malloc() or memp_free() is called (useful but slow!) */ #if !defined MEMP_OVERFLOW_CHECK || defined __DOXYGEN__ #define MEMP_OVERFLOW_CHECK 0 #endif /** * MEMP_SANITY_CHECK==1: run a sanity check after each memp_free() to make * sure that there are no cycles in the linked lists. */ #if !defined MEMP_SANITY_CHECK || defined __DOXYGEN__ #define MEMP_SANITY_CHECK 0 #endif /** * MEM_OVERFLOW_CHECK: mem overflow protection reserves a configurable * amount of bytes before and after each heap allocation chunk and fills * it with a prominent default value. * MEM_OVERFLOW_CHECK == 0 no checking * MEM_OVERFLOW_CHECK == 1 checks each element when it is freed * MEM_OVERFLOW_CHECK >= 2 checks all heap elements every time * mem_malloc() or mem_free() is called (useful but slow!) */ #if !defined MEM_OVERFLOW_CHECK || defined __DOXYGEN__ #define MEM_OVERFLOW_CHECK 0 #endif /** * MEM_SANITY_CHECK==1: run a sanity check after each mem_free() to make * sure that the linked list of heap elements is not corrupted. */ #if !defined MEM_SANITY_CHECK || defined __DOXYGEN__ #define MEM_SANITY_CHECK 0 #endif /** * MEM_USE_POOLS==1: Use an alternative to malloc() by allocating from a set * of memory pools of various sizes. When mem_malloc is called, an element of * the smallest pool that can provide the length needed is returned. * To use this, MEMP_USE_CUSTOM_POOLS also has to be enabled. */ #if !defined MEM_USE_POOLS || defined __DOXYGEN__ #define MEM_USE_POOLS 0 #endif /** * MEM_USE_POOLS_TRY_BIGGER_POOL==1: if one malloc-pool is empty, try the next * bigger pool - WARNING: THIS MIGHT WASTE MEMORY but it can make a system more * reliable. */ #if !defined MEM_USE_POOLS_TRY_BIGGER_POOL || defined __DOXYGEN__ #define MEM_USE_POOLS_TRY_BIGGER_POOL 0 #endif /** * MEMP_USE_CUSTOM_POOLS==1: whether to include a user file lwippools.h * that defines additional pools beyond the "standard" ones required * by lwIP. If you set this to 1, you must have lwippools.h in your * include path somewhere. */ #if !defined MEMP_USE_CUSTOM_POOLS || defined __DOXYGEN__ #define MEMP_USE_CUSTOM_POOLS 0 #endif /** * Set this to 1 if you want to free PBUF_RAM pbufs (or call mem_free()) from * interrupt context (or another context that doesn't allow waiting for a * semaphore). * If set to 1, mem_malloc will be protected by a semaphore and SYS_ARCH_PROTECT, * while mem_free will only use SYS_ARCH_PROTECT. mem_malloc SYS_ARCH_UNPROTECTs * with each loop so that mem_free can run. * * ATTENTION: As you can see from the above description, this leads to dis-/ * enabling interrupts often, which can be slow! Also, on low memory, mem_malloc * can need longer. * * If you don't want that, at least for NO_SYS=0, you can still use the following * functions to enqueue a deallocation call which then runs in the tcpip_thread * context: * - pbuf_free_callback(p); * - mem_free_callback(m); */ #if !defined LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT || defined __DOXYGEN__ #define LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT 0 #endif /** * @} */ /* ------------------------------------------------ ---------- Internal Memory Pool Sizes ---------- ------------------------------------------------ */ /** * @defgroup lwip_opts_memp Internal memory pools * @ingroup lwip_opts_infrastructure * @{ */ /** * MEMP_NUM_PBUF: the number of memp struct pbufs (used for PBUF_ROM and PBUF_REF). * If the application sends a lot of data out of ROM (or other static memory), * this should be set high. */ #if !defined MEMP_NUM_PBUF || defined __DOXYGEN__ #define MEMP_NUM_PBUF 16 #endif /** * MEMP_NUM_RAW_PCB: Number of raw connection PCBs * (requires the LWIP_RAW option) */ #if !defined MEMP_NUM_RAW_PCB || defined __DOXYGEN__ #define MEMP_NUM_RAW_PCB 4 #endif /** * MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One * per active UDP "connection". * (requires the LWIP_UDP option) */ #if !defined MEMP_NUM_UDP_PCB || defined __DOXYGEN__ #define MEMP_NUM_UDP_PCB 4 #endif /** * MEMP_NUM_TCP_PCB: the number of simultaneously active TCP connections. * (requires the LWIP_TCP option) */ #if !defined MEMP_NUM_TCP_PCB || defined __DOXYGEN__ #define MEMP_NUM_TCP_PCB 5 #endif /** * MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP connections. * (requires the LWIP_TCP option) */ #if !defined MEMP_NUM_TCP_PCB_LISTEN || defined __DOXYGEN__ #define MEMP_NUM_TCP_PCB_LISTEN 8 #endif /** * MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP segments. * (requires the LWIP_TCP option) */ #if !defined MEMP_NUM_TCP_SEG || defined __DOXYGEN__ #define MEMP_NUM_TCP_SEG 16 #endif /** * MEMP_NUM_ALTCP_PCB: the number of simultaneously active altcp layer pcbs. * (requires the LWIP_ALTCP option) * Connections with multiple layers require more than one altcp_pcb (e.g. TLS * over TCP requires 2 altcp_pcbs, one for TLS and one for TCP). */ #if !defined MEMP_NUM_ALTCP_PCB || defined __DOXYGEN__ #define MEMP_NUM_ALTCP_PCB MEMP_NUM_TCP_PCB #endif /** * MEMP_NUM_REASSDATA: the number of IP packets simultaneously queued for * reassembly (whole packets, not fragments!) */ #if !defined MEMP_NUM_REASSDATA || defined __DOXYGEN__ #define MEMP_NUM_REASSDATA 5 #endif /** * MEMP_NUM_FRAG_PBUF: the number of IP fragments simultaneously sent * (fragments, not whole packets!). * This is only used with LWIP_NETIF_TX_SINGLE_PBUF==0 and only has to be > 1 * with DMA-enabled MACs where the packet is not yet sent when netif->output * returns. */ #if !defined MEMP_NUM_FRAG_PBUF || defined __DOXYGEN__ #define MEMP_NUM_FRAG_PBUF 15 #endif /** * MEMP_NUM_ARP_QUEUE: the number of simultaneously queued outgoing * packets (pbufs) that are waiting for an ARP request (to resolve * their destination address) to finish. * (requires the ARP_QUEUEING option) */ #if !defined MEMP_NUM_ARP_QUEUE || defined __DOXYGEN__ #define MEMP_NUM_ARP_QUEUE 30 #endif /** * MEMP_NUM_IGMP_GROUP: The number of multicast groups whose network interfaces * can be members at the same time (one per netif - allsystems group -, plus one * per netif membership). * (requires the LWIP_IGMP option) */ #if !defined MEMP_NUM_IGMP_GROUP || defined __DOXYGEN__ #define MEMP_NUM_IGMP_GROUP 8 #endif /** * The number of sys timeouts used by the core stack (not apps) * The default number of timeouts is calculated here for all enabled modules. */ #define LWIP_NUM_SYS_TIMEOUT_INTERNAL (LWIP_TCP + IP_REASSEMBLY + LWIP_ARP + (2*LWIP_DHCP) + LWIP_ACD + LWIP_IGMP + LWIP_DNS + PPP_NUM_TIMEOUTS + (LWIP_IPV6 * (1 + LWIP_IPV6_REASS + LWIP_IPV6_MLD + LWIP_IPV6_DHCP6))) /** * MEMP_NUM_SYS_TIMEOUT: the number of simultaneously active timeouts. * The default number of timeouts is calculated here for all enabled modules. * The formula expects settings to be either '0' or '1'. */ #if !defined MEMP_NUM_SYS_TIMEOUT || defined __DOXYGEN__ #define MEMP_NUM_SYS_TIMEOUT LWIP_NUM_SYS_TIMEOUT_INTERNAL #endif /** * MEMP_NUM_NETBUF: the number of struct netbufs. * (only needed if you use the sequential API, like api_lib.c) */ #if !defined MEMP_NUM_NETBUF || defined __DOXYGEN__ #define MEMP_NUM_NETBUF 2 #endif /** * MEMP_NUM_NETCONN: the number of struct netconns. * (only needed if you use the sequential API, like api_lib.c) */ #if !defined MEMP_NUM_NETCONN || defined __DOXYGEN__ #define MEMP_NUM_NETCONN 4 #endif /** * MEMP_NUM_SELECT_CB: the number of struct lwip_select_cb. * (Only needed if you have LWIP_MPU_COMPATIBLE==1 and use the socket API. * In that case, you need one per thread calling lwip_select.) */ #if !defined MEMP_NUM_SELECT_CB || defined __DOXYGEN__ #define MEMP_NUM_SELECT_CB 4 #endif /** * MEMP_NUM_TCPIP_MSG_API: the number of struct tcpip_msg, which are used * for callback/timeout API communication. * (only needed if you use tcpip.c) */ #if !defined MEMP_NUM_TCPIP_MSG_API || defined __DOXYGEN__ #define MEMP_NUM_TCPIP_MSG_API 8 #endif /** * MEMP_NUM_TCPIP_MSG_INPKT: the number of struct tcpip_msg, which are used * for incoming packets. * (only needed if you use tcpip.c) */ #if !defined MEMP_NUM_TCPIP_MSG_INPKT || defined __DOXYGEN__ #define MEMP_NUM_TCPIP_MSG_INPKT 8 #endif /** * MEMP_NUM_NETDB: the number of concurrently running lwip_addrinfo() calls * (before freeing the corresponding memory using lwip_freeaddrinfo()). */ #if !defined MEMP_NUM_NETDB || defined __DOXYGEN__ #define MEMP_NUM_NETDB 1 #endif /** * MEMP_NUM_LOCALHOSTLIST: the number of host entries in the local host list * if DNS_LOCAL_HOSTLIST_IS_DYNAMIC==1. */ #if !defined MEMP_NUM_LOCALHOSTLIST || defined __DOXYGEN__ #define MEMP_NUM_LOCALHOSTLIST 1 #endif /** * PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */ #if !defined PBUF_POOL_SIZE || defined __DOXYGEN__ #define PBUF_POOL_SIZE 16 #endif /** MEMP_NUM_API_MSG: the number of concurrently active calls to various * socket, netconn, and tcpip functions */ #if !defined MEMP_NUM_API_MSG || defined __DOXYGEN__ #define MEMP_NUM_API_MSG MEMP_NUM_TCPIP_MSG_API #endif /** MEMP_NUM_DNS_API_MSG: the number of concurrently active calls to netconn_gethostbyname */ #if !defined MEMP_NUM_DNS_API_MSG || defined __DOXYGEN__ #define MEMP_NUM_DNS_API_MSG MEMP_NUM_TCPIP_MSG_API #endif /** MEMP_NUM_SOCKET_SETGETSOCKOPT_DATA: the number of concurrently active calls * to getsockopt/setsockopt */ #if !defined MEMP_NUM_SOCKET_SETGETSOCKOPT_DATA || defined __DOXYGEN__ #define MEMP_NUM_SOCKET_SETGETSOCKOPT_DATA MEMP_NUM_TCPIP_MSG_API #endif /** MEMP_NUM_NETIFAPI_MSG: the number of concurrently active calls to the * netifapi functions */ #if !defined MEMP_NUM_NETIFAPI_MSG || defined __DOXYGEN__ #define MEMP_NUM_NETIFAPI_MSG MEMP_NUM_TCPIP_MSG_API #endif /** * @} */ /* --------------------------------- ---------- ARP options ---------- --------------------------------- */ /** * @defgroup lwip_opts_arp ARP * @ingroup lwip_opts_ipv4 * @{ */ /** * LWIP_ARP==1: Enable ARP functionality. */ #if !defined LWIP_ARP || defined __DOXYGEN__ #define LWIP_ARP 1 #endif /** * ARP_TABLE_SIZE: Number of active MAC-IP address pairs cached. */ #if !defined ARP_TABLE_SIZE || defined __DOXYGEN__ #define ARP_TABLE_SIZE 10 #endif /** the time an ARP entry stays valid after its last update, * for ARP_TMR_INTERVAL = 1000, this is * (60 * 5) seconds = 5 minutes. */ #if !defined ARP_MAXAGE || defined __DOXYGEN__ #define ARP_MAXAGE 300 #endif /** * ARP_QUEUEING==1: Multiple outgoing packets are queued during hardware address * resolution. By default, only the most recent packet is queued per IP address. * This is sufficient for most protocols and mainly reduces TCP connection * startup time. Set this to 1 if you know your application sends more than one * packet in a row to an IP address that is not in the ARP cache. */ #if !defined ARP_QUEUEING || defined __DOXYGEN__ #define ARP_QUEUEING 0 #endif /** The maximum number of packets which may be queued for each * unresolved address by other network layers. Defaults to 3, 0 means disabled. * Old packets are dropped, new packets are queued. */ #if !defined ARP_QUEUE_LEN || defined __DOXYGEN__ #define ARP_QUEUE_LEN 3 #endif /** * ETHARP_SUPPORT_VLAN==1: support receiving and sending ethernet packets with * VLAN header. See the description of LWIP_HOOK_VLAN_CHECK and * LWIP_HOOK_VLAN_SET hooks to check/set VLAN headers. * Additionally, you can define ETHARP_VLAN_CHECK to an u16_t VLAN ID to check. * If ETHARP_VLAN_CHECK is defined, only VLAN-traffic for this VLAN is accepted. * If ETHARP_VLAN_CHECK is not defined, all traffic is accepted. * Alternatively, define a function/define ETHARP_VLAN_CHECK_FN(eth_hdr, vlan) * that returns 1 to accept a packet or 0 to drop a packet. */ #if !defined ETHARP_SUPPORT_VLAN || defined __DOXYGEN__ #define ETHARP_SUPPORT_VLAN 0 #endif /** * LWIP_VLAN_PCP==1: Enable outgoing VLAN taggning of frames on a per-PCB basis * for QoS purposes. With this feature enabled, each PCB has a new variable: "tci". * (Tag Control Identifier). The TCI contains three fields: VID, CFI and PCP. * VID is the VLAN ID, which should be set to zero. * The "CFI" bit is used to enable or disable VLAN tags for the PCB. * PCP (Priority Code Point) is a 3 bit field used for Ethernet level QoS. */ #ifndef LWIP_VLAN_PCP #define LWIP_VLAN_PCP 0 #endif /** LWIP_ETHERNET==1: enable ethernet support even though ARP might be disabled */ #if !defined LWIP_ETHERNET || defined __DOXYGEN__ #define LWIP_ETHERNET LWIP_ARP #endif /** ETH_PAD_SIZE: number of bytes added before the ethernet header to ensure * alignment of payload after that header. Since the header is 14 bytes long, * without this padding e.g. addresses in the IP header will not be aligned * on a 32-bit boundary, so setting this to 2 can speed up 32-bit-platforms. */ #if !defined ETH_PAD_SIZE || defined __DOXYGEN__ #define ETH_PAD_SIZE 0 #endif /** ETHARP_SUPPORT_STATIC_ENTRIES==1: enable code to support static ARP table * entries (using etharp_add_static_entry/etharp_remove_static_entry). */ #if !defined ETHARP_SUPPORT_STATIC_ENTRIES || defined __DOXYGEN__ #define ETHARP_SUPPORT_STATIC_ENTRIES 0 #endif /** ETHARP_TABLE_MATCH_NETIF==1: Match netif for ARP table entries. * If disabled, duplicate IP address on multiple netifs are not supported * (but this should only occur for AutoIP). */ #if !defined ETHARP_TABLE_MATCH_NETIF || defined __DOXYGEN__ #define ETHARP_TABLE_MATCH_NETIF !LWIP_SINGLE_NETIF #endif /** * @} */ /* -------------------------------- ---------- IP options ---------- -------------------------------- */ /** * @defgroup lwip_opts_ipv4 IPv4 * @ingroup lwip_opts * @{ */ /** * LWIP_IPV4==1: Enable IPv4 */ #if !defined LWIP_IPV4 || defined __DOXYGEN__ #define LWIP_IPV4 1 #endif /** * IP_FORWARD==1: Enables the ability to forward IP packets across network * interfaces. If you are going to run lwIP on a device with only one network * interface, define this to 0. */ #if !defined IP_FORWARD || defined __DOXYGEN__ #define IP_FORWARD 0 #endif /** * IP_REASSEMBLY==1: Reassemble incoming fragmented IP packets. Note that * this option does not affect outgoing packet sizes, which can be controlled * via IP_FRAG. */ #if !defined IP_REASSEMBLY || defined __DOXYGEN__ #define IP_REASSEMBLY 1 #endif /** * IP_FRAG==1: Fragment outgoing IP packets if their size exceeds MTU. Note * that this option does not affect incoming packet sizes, which can be * controlled via IP_REASSEMBLY. */ #if !defined IP_FRAG || defined __DOXYGEN__ #define IP_FRAG 1 #endif #if !LWIP_IPV4 /* disable IPv4 extensions when IPv4 is disabled */ #undef IP_FORWARD #define IP_FORWARD 0 #undef IP_REASSEMBLY #define IP_REASSEMBLY 0 #undef IP_FRAG #define IP_FRAG 0 #endif /* !LWIP_IPV4 */ /** * IP_OPTIONS_ALLOWED: Defines the behavior for IP options. * IP_OPTIONS_ALLOWED==0: All packets with IP options are dropped. * IP_OPTIONS_ALLOWED==1: IP options are allowed (but not parsed). */ #if !defined IP_OPTIONS_ALLOWED || defined __DOXYGEN__ #define IP_OPTIONS_ALLOWED 1 #endif /** * IP_REASS_MAXAGE: Maximum time (in multiples of IP_TMR_INTERVAL - so seconds, normally) * a fragmented IP packet waits for all fragments to arrive. If not all fragments arrived * in this time, the whole packet is discarded. */ #if !defined IP_REASS_MAXAGE || defined __DOXYGEN__ #define IP_REASS_MAXAGE 15 #endif /** * IP_REASS_MAX_PBUFS: Total maximum amount of pbufs waiting to be reassembled. * Since the received pbufs are enqueued, be sure to configure * PBUF_POOL_SIZE > IP_REASS_MAX_PBUFS so that the stack is still able to receive * packets even if the maximum amount of fragments is enqueued for reassembly! * When IPv4 *and* IPv6 are enabled, this even changes to * (PBUF_POOL_SIZE > 2 * IP_REASS_MAX_PBUFS)! */ #if !defined IP_REASS_MAX_PBUFS || defined __DOXYGEN__ #define IP_REASS_MAX_PBUFS 10 #endif /** * IP_DEFAULT_TTL: Default value for Time-To-Live used by transport layers. */ #if !defined IP_DEFAULT_TTL || defined __DOXYGEN__ #define IP_DEFAULT_TTL 255 #endif /** * IP_SOF_BROADCAST=1: Use the SOF_BROADCAST field to enable broadcast * filter per pcb on udp and raw send operations. To enable broadcast filter * on recv operations, you also have to set IP_SOF_BROADCAST_RECV=1. */ #if !defined IP_SOF_BROADCAST || defined __DOXYGEN__ #define IP_SOF_BROADCAST 0 #endif /** * IP_SOF_BROADCAST_RECV (requires IP_SOF_BROADCAST=1) enable the broadcast * filter on recv operations. */ #if !defined IP_SOF_BROADCAST_RECV || defined __DOXYGEN__ #define IP_SOF_BROADCAST_RECV 0 #endif /** * IP_FORWARD_ALLOW_TX_ON_RX_NETIF==1: allow ip_forward() to send packets back * out on the netif where it was received. This should only be used for * wireless networks. * ATTENTION: When this is 1, make sure your netif driver correctly marks incoming * link-layer-broadcast/multicast packets as such using the corresponding pbuf flags! */ #if !defined IP_FORWARD_ALLOW_TX_ON_RX_NETIF || defined __DOXYGEN__ #define IP_FORWARD_ALLOW_TX_ON_RX_NETIF 0 #endif /** * @} */ /* ---------------------------------- ---------- ICMP options ---------- ---------------------------------- */ /** * @defgroup lwip_opts_icmp ICMP * @ingroup lwip_opts_ipv4 * @{ */ /** * LWIP_ICMP==1: Enable ICMP module inside the IP stack. * Be careful, disable that make your product non-compliant to RFC1122 */ #if !defined LWIP_ICMP || defined __DOXYGEN__ #define LWIP_ICMP 1 #endif /** * ICMP_TTL: Default value for Time-To-Live used by ICMP packets. */ #if !defined ICMP_TTL || defined __DOXYGEN__ #define ICMP_TTL IP_DEFAULT_TTL #endif /** * LWIP_BROADCAST_PING==1: respond to broadcast pings (default is unicast only) */ #if !defined LWIP_BROADCAST_PING || defined __DOXYGEN__ #define LWIP_BROADCAST_PING 0 #endif /** * LWIP_MULTICAST_PING==1: respond to multicast pings (default is unicast only) */ #if !defined LWIP_MULTICAST_PING || defined __DOXYGEN__ #define LWIP_MULTICAST_PING 0 #endif /** * @} */ /* --------------------------------- ---------- RAW options ---------- --------------------------------- */ /** * @defgroup lwip_opts_raw RAW * @ingroup lwip_opts_callback * @{ */ /** * LWIP_RAW==1: Enable application layer to hook into the IP layer itself. */ #if !defined LWIP_RAW || defined __DOXYGEN__ #define LWIP_RAW 0 #endif /** * LWIP_RAW==1: Enable application layer to hook into the IP layer itself. */ #if !defined RAW_TTL || defined __DOXYGEN__ #define RAW_TTL IP_DEFAULT_TTL #endif /** * @} */ /* ---------------------------------- ---------- DHCP options ---------- ---------------------------------- */ /** * @defgroup lwip_opts_dhcp DHCP * @ingroup lwip_opts_ipv4 * @{ */ /** * LWIP_DHCP==1: Enable DHCP module. */ #if !defined LWIP_DHCP || defined __DOXYGEN__ #define LWIP_DHCP 0 #endif #if !LWIP_IPV4 /* disable DHCP when IPv4 is disabled */ #undef LWIP_DHCP #define LWIP_DHCP 0 #endif /* !LWIP_IPV4 */ /** * LWIP_DHCP_DOES_ACD_CHECK==1: Perform address conflict detection on the dhcp address. */ #if !defined LWIP_DHCP_DOES_ACD_CHECK || defined __DOXYGEN__ #define LWIP_DHCP_DOES_ACD_CHECK LWIP_DHCP #endif /** * LWIP_DHCP_BOOTP_FILE==1: Store offered_si_addr and boot_file_name. */ #if !defined LWIP_DHCP_BOOTP_FILE || defined __DOXYGEN__ #define LWIP_DHCP_BOOTP_FILE 0 #endif /** * LWIP_DHCP_GETS_NTP==1: Request NTP servers with discover/select. For each * response packet, an callback is called, which has to be provided by the port: * void dhcp_set_ntp_servers(u8_t num_ntp_servers, ip_addr_t* ntp_server_addrs); */ #if !defined LWIP_DHCP_GET_NTP_SRV || defined __DOXYGEN__ #define LWIP_DHCP_GET_NTP_SRV 0 #endif /** * The maximum of NTP servers requested */ #if !defined LWIP_DHCP_MAX_NTP_SERVERS || defined __DOXYGEN__ #define LWIP_DHCP_MAX_NTP_SERVERS 1 #endif /** * LWIP_DHCP_MAX_DNS_SERVERS > 0: Request DNS servers with discover/select. * DNS servers received in the response are passed to DNS via @ref dns_setserver() * (up to the maximum limit defined here). */ #if !defined LWIP_DHCP_MAX_DNS_SERVERS || defined __DOXYGEN__ #define LWIP_DHCP_MAX_DNS_SERVERS DNS_MAX_SERVERS #endif /** * @} */ /* ------------------------------------ ---------- AUTOIP options ---------- ------------------------------------ */ /** * @defgroup lwip_opts_autoip AUTOIP * @ingroup lwip_opts_ipv4 * @{ */ /** * LWIP_AUTOIP==1: Enable AUTOIP module. */ #if !defined LWIP_AUTOIP || defined __DOXYGEN__ #define LWIP_AUTOIP 0 #endif #if !LWIP_IPV4 /* disable AUTOIP when IPv4 is disabled */ #undef LWIP_AUTOIP #define LWIP_AUTOIP 0 #endif /* !LWIP_IPV4 */ /** * LWIP_DHCP_AUTOIP_COOP==1: Allow DHCP and AUTOIP to be both enabled on * the same interface at the same time. */ #if !defined LWIP_DHCP_AUTOIP_COOP || defined __DOXYGEN__ #define LWIP_DHCP_AUTOIP_COOP 0 #endif /** * LWIP_DHCP_AUTOIP_COOP_TRIES: Set to the number of DHCP DISCOVER probes * that should be sent before falling back on AUTOIP (the DHCP client keeps * running in this case). This can be set as low as 1 to get an AutoIP address * very quickly, but you should be prepared to handle a changing IP address * when DHCP overrides AutoIP. */ #if !defined LWIP_DHCP_AUTOIP_COOP_TRIES || defined __DOXYGEN__ #define LWIP_DHCP_AUTOIP_COOP_TRIES 9 #endif /** * @} */ /* ------------------------------------ ----------- ACD options ------------ ------------------------------------ */ /** * @defgroup lwip_opts_acd ACD * @ingroup lwip_opts_ipv4 * @{ */ /** * LWIP_ACD==1: Enable ACD module. ACD module is needed when using AUTOIP. */ #if !defined LWIP_ACD || defined __DOXYGEN__ #define LWIP_ACD (LWIP_AUTOIP || LWIP_DHCP_DOES_ACD_CHECK) #endif #if !LWIP_IPV4 /* disable ACD when IPv4 is disabled */ #undef LWIP_ACD #define LWIP_ACD 0 #endif /* !LWIP_IPV4 */ /** * @} */ /* ---------------------------------- ----- SNMP MIB2 support ----- ---------------------------------- */ /** * @defgroup lwip_opts_mib2 SNMP MIB2 callbacks * @ingroup lwip_opts_infrastructure * @{ */ /** * LWIP_MIB2_CALLBACKS==1: Turn on SNMP MIB2 callbacks. * Turn this on to get callbacks needed to implement MIB2. * Usually MIB2_STATS should be enabled, too. */ #if !defined LWIP_MIB2_CALLBACKS || defined __DOXYGEN__ #define LWIP_MIB2_CALLBACKS 0 #endif /** * @} */ /* ---------------------------------- -------- Multicast options ------- ---------------------------------- */ /** * @defgroup lwip_opts_multicast Multicast * @ingroup lwip_opts_infrastructure * @{ */ /** * LWIP_MULTICAST_TX_OPTIONS==1: Enable multicast TX support like the socket options * IP_MULTICAST_TTL/IP_MULTICAST_IF/IP_MULTICAST_LOOP, as well as (currently only) * core support for the corresponding IPv6 options. */ #if !defined LWIP_MULTICAST_TX_OPTIONS || defined __DOXYGEN__ #define LWIP_MULTICAST_TX_OPTIONS ((LWIP_IGMP || LWIP_IPV6_MLD) && (LWIP_UDP || LWIP_RAW)) #endif /** * @} */ /* ---------------------------------- ---------- IGMP options ---------- ---------------------------------- */ /** * @defgroup lwip_opts_igmp IGMP * @ingroup lwip_opts_ipv4 * @{ */ /** * LWIP_IGMP==1: Turn on IGMP module. */ #if !defined LWIP_IGMP || defined __DOXYGEN__ #define LWIP_IGMP 0 #endif #if !LWIP_IPV4 #undef LWIP_IGMP #define LWIP_IGMP 0 #endif /** * @} */ /* ---------------------------------- ---------- DNS options ----------- ---------------------------------- */ /** * @defgroup lwip_opts_dns DNS * @ingroup lwip_opts_callback * @{ */ /** * LWIP_DNS==1: Turn on DNS module. UDP must be available for DNS * transport. */ #if !defined LWIP_DNS || defined __DOXYGEN__ #define LWIP_DNS 0 #endif /** DNS maximum number of entries to maintain locally. */ #if !defined DNS_TABLE_SIZE || defined __DOXYGEN__ #define DNS_TABLE_SIZE 4 #endif /** DNS maximum host name length supported in the name table. */ #if !defined DNS_MAX_NAME_LENGTH || defined __DOXYGEN__ #define DNS_MAX_NAME_LENGTH 256 #endif /** The maximum of DNS servers * The first server can be initialized automatically by defining * DNS_SERVER_ADDRESS(ipaddr), where 'ipaddr' is an 'ip_addr_t*' */ #if !defined DNS_MAX_SERVERS || defined __DOXYGEN__ #define DNS_MAX_SERVERS 2 #endif /** DNS maximum number of retries when asking for a name, before "timeout". */ #if !defined DNS_MAX_RETRIES || defined __DOXYGEN__ #define DNS_MAX_RETRIES 4 #endif /** DNS do a name checking between the query and the response. */ #if !defined DNS_DOES_NAME_CHECK || defined __DOXYGEN__ #define DNS_DOES_NAME_CHECK 1 #endif /** LWIP_DNS_SECURE: controls the security level of the DNS implementation * Use all DNS security features by default. * This is overridable but should only be needed by very small targets * or when using against non standard DNS servers. */ #if !defined LWIP_DNS_SECURE || defined __DOXYGEN__ #define LWIP_DNS_SECURE (LWIP_DNS_SECURE_RAND_XID | LWIP_DNS_SECURE_NO_MULTIPLE_OUTSTANDING | LWIP_DNS_SECURE_RAND_SRC_PORT) #endif /* A list of DNS security features follows */ #define LWIP_DNS_SECURE_RAND_XID 1 #define LWIP_DNS_SECURE_NO_MULTIPLE_OUTSTANDING 2 #define LWIP_DNS_SECURE_RAND_SRC_PORT 4 /** DNS_LOCAL_HOSTLIST: Implements a local host-to-address list. If enabled, you have to define an initializer: * \#define DNS_LOCAL_HOSTLIST_INIT {DNS_LOCAL_HOSTLIST_ELEM("host_ip4", IPADDR4_INIT_BYTES(1,2,3,4)), \ * DNS_LOCAL_HOSTLIST_ELEM("host_ip6", IPADDR6_INIT_HOST(123, 234, 345, 456)} * * Instead, you can also use an external function: * \#define DNS_LOOKUP_LOCAL_EXTERN(name, namelen, addr, dns_addrtype) my_lookup_function(name, namelen, addr, dns_addrtype) * with function signature: * extern err_t my_lookup_function(const char *name, size_t namelen, ip_addr_t *addr, u8_t dns_addrtype) * that looks up the IP address and returns ERR_OK if found (LWIP_DNS_ADDRTYPE_xxx is passed in dns_addrtype). */ #if !defined DNS_LOCAL_HOSTLIST || defined __DOXYGEN__ #define DNS_LOCAL_HOSTLIST 0 #endif /* DNS_LOCAL_HOSTLIST */ /** If this is turned on, the local host-list can be dynamically changed * at runtime. */ #if !defined DNS_LOCAL_HOSTLIST_IS_DYNAMIC || defined __DOXYGEN__ #define DNS_LOCAL_HOSTLIST_IS_DYNAMIC 0 #endif /* DNS_LOCAL_HOSTLIST_IS_DYNAMIC */ /** Set this to 1 to enable querying ".local" names via mDNS * using a One-Shot Multicast DNS Query */ #if !defined LWIP_DNS_SUPPORT_MDNS_QUERIES || defined __DOXYGEN__ #define LWIP_DNS_SUPPORT_MDNS_QUERIES 0 #endif /** * @} */ /* --------------------------------- ---------- UDP options ---------- --------------------------------- */ /** * @defgroup lwip_opts_udp UDP * @ingroup lwip_opts_callback * @{ */ /** * LWIP_UDP==1: Turn on UDP. */ #if !defined LWIP_UDP || defined __DOXYGEN__ #define LWIP_UDP 1 #endif /** * LWIP_UDPLITE==1: Turn on UDP-Lite. (Requires LWIP_UDP) */ #if !defined LWIP_UDPLITE || defined __DOXYGEN__ #define LWIP_UDPLITE 0 #endif /** * UDP_TTL: Default Time-To-Live value. */ #if !defined UDP_TTL || defined __DOXYGEN__ #define UDP_TTL IP_DEFAULT_TTL #endif /** * LWIP_NETBUF_RECVINFO==1: append destination addr and port to every netbuf. */ #if !defined LWIP_NETBUF_RECVINFO || defined __DOXYGEN__ #define LWIP_NETBUF_RECVINFO 0 #endif /** * @} */ /* --------------------------------- ---------- TCP options ---------- --------------------------------- */ /** * @defgroup lwip_opts_tcp TCP * @ingroup lwip_opts_callback * @{ */ /** * LWIP_TCP==1: Turn on TCP. */ #if !defined LWIP_TCP || defined __DOXYGEN__ #define LWIP_TCP 1 #endif /** * TCP_TTL: Default Time-To-Live value. */ #if !defined TCP_TTL || defined __DOXYGEN__ #define TCP_TTL IP_DEFAULT_TTL #endif /** * TCP_WND: The size of a TCP window. This must be at least * (2 * TCP_MSS) for things to work well. * ATTENTION: when using TCP_RCV_SCALE, TCP_WND is the total size * with scaling applied. Maximum window value in the TCP header * will be TCP_WND >> TCP_RCV_SCALE */ #if !defined TCP_WND || defined __DOXYGEN__ #define TCP_WND (4 * TCP_MSS) #endif /** * TCP_MAXRTX: Maximum number of retransmissions of data segments. */ #if !defined TCP_MAXRTX || defined __DOXYGEN__ #define TCP_MAXRTX 12 #endif /** * TCP_SYNMAXRTX: Maximum number of retransmissions of SYN segments. */ #if !defined TCP_SYNMAXRTX || defined __DOXYGEN__ #define TCP_SYNMAXRTX 6 #endif /** * TCP_QUEUE_OOSEQ==1: TCP will queue segments that arrive out of order. * Define to 0 if your device is low on memory. */ #if !defined TCP_QUEUE_OOSEQ || defined __DOXYGEN__ #define TCP_QUEUE_OOSEQ LWIP_TCP #endif /** * LWIP_TCP_SACK_OUT==1: TCP will support sending selective acknowledgements (SACKs). */ #if !defined LWIP_TCP_SACK_OUT || defined __DOXYGEN__ #define LWIP_TCP_SACK_OUT 0 #endif /** * LWIP_TCP_MAX_SACK_NUM: The maximum number of SACK values to include in TCP segments. * Must be at least 1, but is only used if LWIP_TCP_SACK_OUT is enabled. * NOTE: Even though we never send more than 3 or 4 SACK ranges in a single segment * (depending on other options), setting this option to values greater than 4 is not pointless. * This is basically the max number of SACK ranges we want to keep track of. * As new data is delivered, some of the SACK ranges may be removed or merged. * In that case some of those older SACK ranges may be used again. * The amount of memory used to store SACK ranges is LWIP_TCP_MAX_SACK_NUM * 8 bytes for each TCP PCB. */ #if !defined LWIP_TCP_MAX_SACK_NUM || defined __DOXYGEN__ #define LWIP_TCP_MAX_SACK_NUM 4 #endif /** * TCP_MSS: TCP Maximum segment size. (default is 536, a conservative default, * you might want to increase this.) * For the receive side, this MSS is advertised to the remote side * when opening a connection. For the transmit size, this MSS sets * an upper limit on the MSS advertised by the remote host. */ #if !defined TCP_MSS || defined __DOXYGEN__ #define TCP_MSS 536 #endif /** * TCP_CALCULATE_EFF_SEND_MSS: "The maximum size of a segment that TCP really * sends, the 'effective send MSS,' MUST be the smaller of the send MSS (which * reflects the available reassembly buffer size at the remote host) and the * largest size permitted by the IP layer" (RFC 1122) * Setting this to 1 enables code that checks TCP_MSS against the MTU of the * netif used for a connection and limits the MSS if it would be too big otherwise. */ #if !defined TCP_CALCULATE_EFF_SEND_MSS || defined __DOXYGEN__ #define TCP_CALCULATE_EFF_SEND_MSS 1 #endif /** * TCP_SND_BUF: TCP sender buffer space (bytes). * To achieve good performance, this should be at least 2 * TCP_MSS. */ #if !defined TCP_SND_BUF || defined __DOXYGEN__ #define TCP_SND_BUF (2 * TCP_MSS) #endif /** * TCP_SND_QUEUELEN: TCP sender buffer space (pbufs). This must be at least * as much as (2 * TCP_SND_BUF/TCP_MSS) for things to work. */ #if !defined TCP_SND_QUEUELEN || defined __DOXYGEN__ #define TCP_SND_QUEUELEN ((4 * (TCP_SND_BUF) + (TCP_MSS - 1))/(TCP_MSS)) #endif /** * TCP_SNDLOWAT: TCP writable space (bytes). This must be less than * TCP_SND_BUF. It is the amount of space which must be available in the * TCP snd_buf for select to return writable (combined with TCP_SNDQUEUELOWAT). */ #if !defined TCP_SNDLOWAT || defined __DOXYGEN__ #define TCP_SNDLOWAT LWIP_MIN(LWIP_MAX(((TCP_SND_BUF)/2), (2 * TCP_MSS) + 1), (TCP_SND_BUF) - 1) #endif /** * TCP_SNDQUEUELOWAT: TCP writable bufs (pbuf count). This must be less * than TCP_SND_QUEUELEN. If the number of pbufs queued on a pcb drops below * this number, select returns writable (combined with TCP_SNDLOWAT). */ #if !defined TCP_SNDQUEUELOWAT || defined __DOXYGEN__ #define TCP_SNDQUEUELOWAT LWIP_MAX(((TCP_SND_QUEUELEN)/2), 5) #endif /** * TCP_OOSEQ_MAX_BYTES: The default maximum number of bytes queued on ooseq per * pcb if TCP_OOSEQ_BYTES_LIMIT is not defined. Default is 0 (no limit). * Only valid for TCP_QUEUE_OOSEQ==1. */ #if !defined TCP_OOSEQ_MAX_BYTES || defined __DOXYGEN__ #define TCP_OOSEQ_MAX_BYTES 0 #endif /** * TCP_OOSEQ_BYTES_LIMIT(pcb): Return the maximum number of bytes to be queued * on ooseq per pcb, given the pcb. Only valid for TCP_QUEUE_OOSEQ==1 && * TCP_OOSEQ_MAX_BYTES==1. * Use this to override TCP_OOSEQ_MAX_BYTES to a dynamic value per pcb. */ #if !defined TCP_OOSEQ_BYTES_LIMIT #if TCP_OOSEQ_MAX_BYTES #define TCP_OOSEQ_BYTES_LIMIT(pcb) TCP_OOSEQ_MAX_BYTES #elif defined __DOXYGEN__ #define TCP_OOSEQ_BYTES_LIMIT(pcb) #endif #endif /** * TCP_OOSEQ_MAX_PBUFS: The default maximum number of pbufs queued on ooseq per * pcb if TCP_OOSEQ_BYTES_LIMIT is not defined. Default is 0 (no limit). * Only valid for TCP_QUEUE_OOSEQ==1. */ #if !defined TCP_OOSEQ_MAX_PBUFS || defined __DOXYGEN__ #define TCP_OOSEQ_MAX_PBUFS 0 #endif /** * TCP_OOSEQ_PBUFS_LIMIT(pcb): Return the maximum number of pbufs to be queued * on ooseq per pcb, given the pcb. Only valid for TCP_QUEUE_OOSEQ==1 && * TCP_OOSEQ_MAX_PBUFS==1. * Use this to override TCP_OOSEQ_MAX_PBUFS to a dynamic value per pcb. */ #if !defined TCP_OOSEQ_PBUFS_LIMIT #if TCP_OOSEQ_MAX_PBUFS #define TCP_OOSEQ_PBUFS_LIMIT(pcb) TCP_OOSEQ_MAX_PBUFS #elif defined __DOXYGEN__ #define TCP_OOSEQ_PBUFS_LIMIT(pcb) #endif #endif /** * TCP_LISTEN_BACKLOG: Enable the backlog option for tcp listen pcb. */ #if !defined TCP_LISTEN_BACKLOG || defined __DOXYGEN__ #define TCP_LISTEN_BACKLOG 0 #endif /** * The maximum allowed backlog for TCP listen netconns. * This backlog is used unless another is explicitly specified. * 0xff is the maximum (u8_t). */ #if !defined TCP_DEFAULT_LISTEN_BACKLOG || defined __DOXYGEN__ #define TCP_DEFAULT_LISTEN_BACKLOG 0xff #endif /** * TCP_OVERSIZE: The maximum number of bytes that tcp_write may * allocate ahead of time in an attempt to create shorter pbuf chains * for transmission. The meaningful range is 0 to TCP_MSS. Some * suggested values are: * * 0: Disable oversized allocation. Each tcp_write() allocates a new pbuf (old behaviour). * 1: Allocate size-aligned pbufs with minimal excess. Use this if your * scatter-gather DMA requires aligned fragments. * 128: Limit the pbuf/memory overhead to 20%. * TCP_MSS: Try to create unfragmented TCP packets. * TCP_MSS/4: Try to create 4 fragments or less per TCP packet. */ #if !defined TCP_OVERSIZE || defined __DOXYGEN__ #define TCP_OVERSIZE TCP_MSS #endif /** * LWIP_TCP_TIMESTAMPS==1: support the TCP timestamp option. * The timestamp option is currently only used to help remote hosts, it is not * really used locally. Therefore, it is only enabled when a TS option is * received in the initial SYN packet from a remote host. */ #if !defined LWIP_TCP_TIMESTAMPS || defined __DOXYGEN__ #define LWIP_TCP_TIMESTAMPS 0 #endif /** * TCP_WND_UPDATE_THRESHOLD: difference in window to trigger an * explicit window update */ #if !defined TCP_WND_UPDATE_THRESHOLD || defined __DOXYGEN__ #define TCP_WND_UPDATE_THRESHOLD LWIP_MIN((TCP_WND / 4), (TCP_MSS * 4)) #endif /** * LWIP_EVENT_API and LWIP_CALLBACK_API: Only one of these should be set to 1. * LWIP_EVENT_API==1: The user defines lwip_tcp_event() to receive all * events (accept, sent, etc) that happen in the system. * LWIP_CALLBACK_API==1: The PCB callback function is called directly * for the event. This is the default. */ #if !defined(LWIP_EVENT_API) && !defined(LWIP_CALLBACK_API) || defined __DOXYGEN__ #define LWIP_EVENT_API 0 #define LWIP_CALLBACK_API 1 #else #ifndef LWIP_EVENT_API #define LWIP_EVENT_API 0 #endif #ifndef LWIP_CALLBACK_API #define LWIP_CALLBACK_API 0 #endif #endif /** * LWIP_WND_SCALE and TCP_RCV_SCALE: * Set LWIP_WND_SCALE to 1 to enable window scaling. * Set TCP_RCV_SCALE to the desired scaling factor (shift count in the * range of [0..14]). * When LWIP_WND_SCALE is enabled but TCP_RCV_SCALE is 0, we can use a large * send window while having a small receive window only. */ #if !defined LWIP_WND_SCALE || defined __DOXYGEN__ #define LWIP_WND_SCALE 0 #define TCP_RCV_SCALE 0 #endif /** * LWIP_TCP_PCB_NUM_EXT_ARGS: * When this is > 0, every tcp pcb (including listen pcb) includes a number of * additional argument entries in an array (see tcp_ext_arg_alloc_id) */ #if !defined LWIP_TCP_PCB_NUM_EXT_ARGS || defined __DOXYGEN__ #define LWIP_TCP_PCB_NUM_EXT_ARGS 0 #endif /** LWIP_ALTCP==1: enable the altcp API. * altcp is an abstraction layer that prevents applications linking against the * tcp.h functions but provides the same functionality. It is used to e.g. add * SSL/TLS or proxy-connect support to an application written for the tcp callback * API without that application knowing the protocol details. * * With LWIP_ALTCP==0, applications written against the altcp API can still be * compiled but are directly linked against the tcp.h callback API and then * cannot use layered protocols. * * See @ref altcp_api */ #if !defined LWIP_ALTCP || defined __DOXYGEN__ #define LWIP_ALTCP 0 #endif /** LWIP_ALTCP_TLS==1: enable TLS support for altcp API. * This needs a port of the functions in altcp_tls.h to a TLS library. * A port to ARM mbedtls is provided with lwIP, see apps/altcp_tls/ directory * and LWIP_ALTCP_TLS_MBEDTLS option. */ #if !defined LWIP_ALTCP_TLS || defined __DOXYGEN__ #define LWIP_ALTCP_TLS 0 #endif /** * @} */ /* ---------------------------------- ---------- Pbuf options ---------- ---------------------------------- */ /** * @defgroup lwip_opts_pbuf PBUF * @ingroup lwip_opts * @{ */ /** * PBUF_LINK_HLEN: the number of bytes that should be allocated for a * link level header. The default is 14, the standard value for * Ethernet. */ #if !defined PBUF_LINK_HLEN || defined __DOXYGEN__ #if (defined LWIP_HOOK_VLAN_SET || LWIP_VLAN_PCP) && !defined __DOXYGEN__ #define PBUF_LINK_HLEN (18 + ETH_PAD_SIZE) #else /* LWIP_HOOK_VLAN_SET || LWIP_VLAN_PCP */ #define PBUF_LINK_HLEN (14 + ETH_PAD_SIZE) #endif /* LWIP_HOOK_VLAN_SET || LWIP_VLAN_PCP */ #endif /** * PBUF_LINK_ENCAPSULATION_HLEN: the number of bytes that should be allocated * for an additional encapsulation header before ethernet headers (e.g. 802.11) */ #if !defined PBUF_LINK_ENCAPSULATION_HLEN || defined __DOXYGEN__ #define PBUF_LINK_ENCAPSULATION_HLEN 0 #endif /** * PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. The default is * designed to accommodate single full size TCP frame in one pbuf, including * TCP_MSS, IP header, and link header. */ #if !defined PBUF_POOL_BUFSIZE || defined __DOXYGEN__ #define PBUF_POOL_BUFSIZE LWIP_MEM_ALIGN_SIZE(TCP_MSS+PBUF_IP_HLEN+PBUF_TRANSPORT_HLEN+PBUF_LINK_ENCAPSULATION_HLEN+PBUF_LINK_HLEN) #endif /** * LWIP_PBUF_REF_T: Refcount type in pbuf. * Default width of u8_t can be increased if 255 refs are not enough for you. */ #if !defined LWIP_PBUF_REF_T || defined __DOXYGEN__ #define LWIP_PBUF_REF_T u8_t #endif /** * LWIP_PBUF_CUSTOM_DATA: Store private data on pbufs (e.g. timestamps) * This extends struct pbuf so user can store custom data on every pbuf. */ #if !defined LWIP_PBUF_CUSTOM_DATA || defined __DOXYGEN__ #define LWIP_PBUF_CUSTOM_DATA #endif /** * @} */ /* ------------------------------------------------ ---------- Network Interfaces options ---------- ------------------------------------------------ */ /** * @defgroup lwip_opts_netif NETIF * @ingroup lwip_opts * @{ */ /** * LWIP_SINGLE_NETIF==1: use a single netif only. This is the common case for * small real-life targets. Some code like routing etc. can be left out. */ #if !defined LWIP_SINGLE_NETIF || defined __DOXYGEN__ #define LWIP_SINGLE_NETIF 0 #endif /** * LWIP_NETIF_HOSTNAME==1: use DHCP_OPTION_HOSTNAME with netif's hostname * field. */ #if !defined LWIP_NETIF_HOSTNAME || defined __DOXYGEN__ #define LWIP_NETIF_HOSTNAME 0 #endif /** * LWIP_NETIF_API==1: Support netif api (in netifapi.c) */ #if !defined LWIP_NETIF_API || defined __DOXYGEN__ #define LWIP_NETIF_API 0 #endif /** * LWIP_NETIF_STATUS_CALLBACK==1: Support a callback function whenever an interface * changes its up/down status (i.e., due to DHCP IP acquisition) */ #if !defined LWIP_NETIF_STATUS_CALLBACK || defined __DOXYGEN__ #define LWIP_NETIF_STATUS_CALLBACK 0 #endif /** * LWIP_NETIF_EXT_STATUS_CALLBACK==1: Support an extended callback function * for several netif related event that supports multiple subscribers. * @see netif_ext_status_callback */ #if !defined LWIP_NETIF_EXT_STATUS_CALLBACK || defined __DOXYGEN__ #define LWIP_NETIF_EXT_STATUS_CALLBACK 0 #endif /** * LWIP_NETIF_LINK_CALLBACK==1: Support a callback function from an interface * whenever the link changes (i.e., link down) */ #if !defined LWIP_NETIF_LINK_CALLBACK || defined __DOXYGEN__ #define LWIP_NETIF_LINK_CALLBACK 0 #endif /** * LWIP_NETIF_REMOVE_CALLBACK==1: Support a callback function that is called * when a netif has been removed */ #if !defined LWIP_NETIF_REMOVE_CALLBACK || defined __DOXYGEN__ #define LWIP_NETIF_REMOVE_CALLBACK 0 #endif /** * LWIP_NETIF_HWADDRHINT==1: Cache link-layer-address hints (e.g. table * indices) in struct netif. TCP and UDP can make use of this to prevent * scanning the ARP table for every sent packet. While this is faster for big * ARP tables or many concurrent connections, it might be counterproductive * if you have a tiny ARP table or if there never are concurrent connections. */ #if !defined LWIP_NETIF_HWADDRHINT || defined __DOXYGEN__ #define LWIP_NETIF_HWADDRHINT 0 #endif /** * LWIP_NETIF_TX_SINGLE_PBUF: if this is set to 1, lwIP *tries* to put all data * to be sent into one single pbuf. This is for compatibility with DMA-enabled * MACs that do not support scatter-gather. * Beware that this might involve CPU-memcpy before transmitting that would not * be needed without this flag! Use this only if you need to! * * ATTENTION: a driver should *NOT* rely on getting single pbufs but check TX * pbufs for being in one piece. If not, @ref pbuf_clone can be used to get * a single pbuf: * if (p->next != NULL) { * struct pbuf *q = pbuf_clone(PBUF_RAW, PBUF_RAM, p); * if (q == NULL) { * return ERR_MEM; * } * p = q; ATTENTION: do NOT free the old 'p' as the ref belongs to the caller! * } */ #if !defined LWIP_NETIF_TX_SINGLE_PBUF || defined __DOXYGEN__ #define LWIP_NETIF_TX_SINGLE_PBUF 0 #endif /* LWIP_NETIF_TX_SINGLE_PBUF */ /** * LWIP_NUM_NETIF_CLIENT_DATA: Number of clients that may store * data in client_data member array of struct netif (max. 256). */ #if !defined LWIP_NUM_NETIF_CLIENT_DATA || defined __DOXYGEN__ #define LWIP_NUM_NETIF_CLIENT_DATA 0 #endif /** * @} */ /* ------------------------------------ ---------- LOOPIF options ---------- ------------------------------------ */ /** * @defgroup lwip_opts_loop Loopback interface * @ingroup lwip_opts_netif * @{ */ /** * LWIP_HAVE_LOOPIF==1: Support loop interface (127.0.0.1). * This is only needed when no real netifs are available. If at least one other * netif is available, loopback traffic uses this netif. */ #if !defined LWIP_HAVE_LOOPIF || defined __DOXYGEN__ #define LWIP_HAVE_LOOPIF (LWIP_NETIF_LOOPBACK && !LWIP_SINGLE_NETIF) #endif /** * LWIP_LOOPIF_MULTICAST==1: Support multicast/IGMP on loop interface (127.0.0.1). */ #if !defined LWIP_LOOPIF_MULTICAST || defined __DOXYGEN__ #define LWIP_LOOPIF_MULTICAST 0 #endif /** * LWIP_NETIF_LOOPBACK==1: Support sending packets with a destination IP * address equal to the netif IP address, looping them back up the stack. */ #if !defined LWIP_NETIF_LOOPBACK || defined __DOXYGEN__ #define LWIP_NETIF_LOOPBACK 0 #endif /** * LWIP_LOOPBACK_MAX_PBUFS: Maximum number of pbufs on queue for loopback * sending for each netif (0 = disabled) */ #if !defined LWIP_LOOPBACK_MAX_PBUFS || defined __DOXYGEN__ #define LWIP_LOOPBACK_MAX_PBUFS 0 #endif /** * LWIP_NETIF_LOOPBACK_MULTITHREADING: Indicates whether threading is enabled in * the system, as netifs must change how they behave depending on this setting * for the LWIP_NETIF_LOOPBACK option to work. * Setting this is needed to avoid reentering non-reentrant functions like * tcp_input(). * LWIP_NETIF_LOOPBACK_MULTITHREADING==1: Indicates that the user is using a * multithreaded environment like tcpip.c. In this case, netif->input() * is called directly. * LWIP_NETIF_LOOPBACK_MULTITHREADING==0: Indicates a polling (or NO_SYS) setup. * The packets are put on a list and netif_poll() must be called in * the main application loop. */ #if !defined LWIP_NETIF_LOOPBACK_MULTITHREADING || defined __DOXYGEN__ #define LWIP_NETIF_LOOPBACK_MULTITHREADING (!NO_SYS) #endif /** * @} */ /* ------------------------------------ ---------- Thread options ---------- ------------------------------------ */ /** * @defgroup lwip_opts_thread Threading * @ingroup lwip_opts_infrastructure * @{ */ /** * TCPIP_THREAD_NAME: The name assigned to the main tcpip thread. */ #if !defined TCPIP_THREAD_NAME || defined __DOXYGEN__ #define TCPIP_THREAD_NAME "tcpip_thread" #endif /** * TCPIP_THREAD_STACKSIZE: The stack size used by the main tcpip thread. * The stack size value itself is platform-dependent, but is passed to * sys_thread_new() when the thread is created. */ #if !defined TCPIP_THREAD_STACKSIZE || defined __DOXYGEN__ #define TCPIP_THREAD_STACKSIZE 0 #endif /** * TCPIP_THREAD_PRIO: The priority assigned to the main tcpip thread. * The priority value itself is platform-dependent, but is passed to * sys_thread_new() when the thread is created. */ #if !defined TCPIP_THREAD_PRIO || defined __DOXYGEN__ #define TCPIP_THREAD_PRIO 1 #endif /** * TCPIP_MBOX_SIZE: The mailbox size for the tcpip thread messages * The queue size value itself is platform-dependent, but is passed to * sys_mbox_new() when tcpip_init is called. */ #if !defined TCPIP_MBOX_SIZE || defined __DOXYGEN__ #define TCPIP_MBOX_SIZE 0 #endif /** * Define this to something that triggers a watchdog. This is called from * tcpip_thread after processing a message. */ #if !defined LWIP_TCPIP_THREAD_ALIVE || defined __DOXYGEN__ #define LWIP_TCPIP_THREAD_ALIVE() #endif /** * SLIPIF_THREAD_NAME: The name assigned to the slipif_loop thread. */ #if !defined SLIPIF_THREAD_NAME || defined __DOXYGEN__ #define SLIPIF_THREAD_NAME "slipif_loop" #endif /** * SLIP_THREAD_STACKSIZE: The stack size used by the slipif_loop thread. * The stack size value itself is platform-dependent, but is passed to * sys_thread_new() when the thread is created. */ #if !defined SLIPIF_THREAD_STACKSIZE || defined __DOXYGEN__ #define SLIPIF_THREAD_STACKSIZE 0 #endif /** * SLIPIF_THREAD_PRIO: The priority assigned to the slipif_loop thread. * The priority value itself is platform-dependent, but is passed to * sys_thread_new() when the thread is created. */ #if !defined SLIPIF_THREAD_PRIO || defined __DOXYGEN__ #define SLIPIF_THREAD_PRIO 1 #endif /** * DEFAULT_THREAD_NAME: The name assigned to any other lwIP thread. */ #if !defined DEFAULT_THREAD_NAME || defined __DOXYGEN__ #define DEFAULT_THREAD_NAME "lwIP" #endif /** * DEFAULT_THREAD_STACKSIZE: The stack size used by any other lwIP thread. * The stack size value itself is platform-dependent, but is passed to * sys_thread_new() when the thread is created. */ #if !defined DEFAULT_THREAD_STACKSIZE || defined __DOXYGEN__ #define DEFAULT_THREAD_STACKSIZE 0 #endif /** * DEFAULT_THREAD_PRIO: The priority assigned to any other lwIP thread. * The priority value itself is platform-dependent, but is passed to * sys_thread_new() when the thread is created. */ #if !defined DEFAULT_THREAD_PRIO || defined __DOXYGEN__ #define DEFAULT_THREAD_PRIO 1 #endif /** * DEFAULT_RAW_RECVMBOX_SIZE: The mailbox size for the incoming packets on a * NETCONN_RAW. The queue size value itself is platform-dependent, but is passed * to sys_mbox_new() when the recvmbox is created. */ #if !defined DEFAULT_RAW_RECVMBOX_SIZE || defined __DOXYGEN__ #define DEFAULT_RAW_RECVMBOX_SIZE 0 #endif /** * DEFAULT_UDP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a * NETCONN_UDP. The queue size value itself is platform-dependent, but is passed * to sys_mbox_new() when the recvmbox is created. */ #if !defined DEFAULT_UDP_RECVMBOX_SIZE || defined __DOXYGEN__ #define DEFAULT_UDP_RECVMBOX_SIZE 0 #endif /** * DEFAULT_TCP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a * NETCONN_TCP. The queue size value itself is platform-dependent, but is passed * to sys_mbox_new() when the recvmbox is created. */ #if !defined DEFAULT_TCP_RECVMBOX_SIZE || defined __DOXYGEN__ #define DEFAULT_TCP_RECVMBOX_SIZE 0 #endif /** * DEFAULT_ACCEPTMBOX_SIZE: The mailbox size for the incoming connections. * The queue size value itself is platform-dependent, but is passed to * sys_mbox_new() when the acceptmbox is created. */ #if !defined DEFAULT_ACCEPTMBOX_SIZE || defined __DOXYGEN__ #define DEFAULT_ACCEPTMBOX_SIZE 0 #endif /** * @} */ /* ---------------------------------------------- ---------- Sequential layer options ---------- ---------------------------------------------- */ /** * @defgroup lwip_opts_netconn Netconn * @ingroup lwip_opts_threadsafe_apis * @{ */ /** * LWIP_NETCONN==1: Enable Netconn API (require to use api_lib.c) */ #if !defined LWIP_NETCONN || defined __DOXYGEN__ #define LWIP_NETCONN 1 #endif /** LWIP_TCPIP_TIMEOUT==1: Enable tcpip_timeout/tcpip_untimeout to create * timers running in tcpip_thread from another thread. */ #if !defined LWIP_TCPIP_TIMEOUT || defined __DOXYGEN__ #define LWIP_TCPIP_TIMEOUT 0 #endif /** LWIP_NETCONN_SEM_PER_THREAD==1: Use one (thread-local) semaphore per * thread calling socket/netconn functions instead of allocating one * semaphore per netconn (and per select etc.) * ATTENTION: a thread-local semaphore for API calls is needed: * - LWIP_NETCONN_THREAD_SEM_GET() returning a sys_sem_t* * - LWIP_NETCONN_THREAD_SEM_ALLOC() creating the semaphore * - LWIP_NETCONN_THREAD_SEM_FREE() freeing the semaphore * The latter 2 can be invoked up by calling netconn_thread_init()/netconn_thread_cleanup(). * Ports may call these for threads created with sys_thread_new(). */ #if !defined LWIP_NETCONN_SEM_PER_THREAD || defined __DOXYGEN__ #define LWIP_NETCONN_SEM_PER_THREAD 0 #endif /** LWIP_NETCONN_FULLDUPLEX==1: Enable code that allows reading from one thread, * writing from a 2nd thread and closing from a 3rd thread at the same time. * LWIP_NETCONN_SEM_PER_THREAD==1 is required to use one socket/netconn from * multiple threads at once! */ #if !defined LWIP_NETCONN_FULLDUPLEX || defined __DOXYGEN__ #define LWIP_NETCONN_FULLDUPLEX 0 #endif /** * @} */ /* ------------------------------------ ---------- Socket options ---------- ------------------------------------ */ /** * @defgroup lwip_opts_socket Sockets * @ingroup lwip_opts_threadsafe_apis * @{ */ /** * LWIP_SOCKET==1: Enable Socket API (require to use sockets.c) */ #if !defined LWIP_SOCKET || defined __DOXYGEN__ #define LWIP_SOCKET 1 #endif /** * LWIP_COMPAT_SOCKETS==1: Enable BSD-style sockets functions names through defines. * LWIP_COMPAT_SOCKETS==2: Same as ==1 but correctly named functions are created. * While this helps code completion, it might conflict with existing libraries. * (only used if you use sockets.c) */ #if !defined LWIP_COMPAT_SOCKETS || defined __DOXYGEN__ #define LWIP_COMPAT_SOCKETS 1 #endif /** * LWIP_POSIX_SOCKETS_IO_NAMES==1: Enable POSIX-style sockets functions names. * Disable this option if you use a POSIX operating system that uses the same * names (read, write & close). (only used if you use sockets.c) */ #if !defined LWIP_POSIX_SOCKETS_IO_NAMES || defined __DOXYGEN__ //#define LWIP_POSIX_SOCKETS_IO_NAMES 1 #endif /** * LWIP_SOCKET_OFFSET==n: Increases the file descriptor number created by LwIP with n. * This can be useful when there are multiple APIs which create file descriptors. * When they all start with a different offset and you won't make them overlap you can * re implement read/write/close/ioctl/fnctl to send the requested action to the right * library (sharing select will need more work though). */ #if !defined LWIP_SOCKET_OFFSET || defined __DOXYGEN__ #define LWIP_SOCKET_OFFSET 0 #endif /** * LWIP_SOCKET_EXTERNAL_HEADERS==1: Use external headers instead of sockets.h * and inet.h. In this case, user must provide its own headers by setting the * values for LWIP_SOCKET_EXTERNAL_HEADER_SOCKETS_H and * LWIP_SOCKET_EXTERNAL_HEADER_INET_H to appropriate include file names and the * whole content of the default sockets.h and inet.h is skipped. */ #if !defined LWIP_SOCKET_EXTERNAL_HEADERS || defined __DOXYGEN__ #define LWIP_SOCKET_EXTERNAL_HEADERS 0 #endif /** * LWIP_TCP_KEEPALIVE==1: Enable TCP_KEEPIDLE, TCP_KEEPINTVL and TCP_KEEPCNT * options processing. Note that TCP_KEEPIDLE and TCP_KEEPINTVL have to be set * in seconds. (does not require sockets.c, and will affect tcp.c) */ #if !defined LWIP_TCP_KEEPALIVE || defined __DOXYGEN__ #define LWIP_TCP_KEEPALIVE 0 #endif /** * LWIP_SO_SNDTIMEO==1: Enable send timeout for sockets/netconns and * SO_SNDTIMEO processing. */ #if !defined LWIP_SO_SNDTIMEO || defined __DOXYGEN__ #define LWIP_SO_SNDTIMEO 0 #endif /** * LWIP_SO_RCVTIMEO==1: Enable receive timeout for sockets/netconns and * SO_RCVTIMEO processing. */ #if !defined LWIP_SO_RCVTIMEO || defined __DOXYGEN__ #define LWIP_SO_RCVTIMEO 0 #endif /** * LWIP_SO_SNDRCVTIMEO_NONSTANDARD==1: SO_RCVTIMEO/SO_SNDTIMEO take an int * (milliseconds, much like winsock does) instead of a struct timeval (default). */ #if !defined LWIP_SO_SNDRCVTIMEO_NONSTANDARD || defined __DOXYGEN__ #define LWIP_SO_SNDRCVTIMEO_NONSTANDARD 0 #endif /** * LWIP_SO_RCVBUF==1: Enable SO_RCVBUF processing. */ #if !defined LWIP_SO_RCVBUF || defined __DOXYGEN__ #define LWIP_SO_RCVBUF 0 #endif /** * LWIP_SO_LINGER==1: Enable SO_LINGER processing. */ #if !defined LWIP_SO_LINGER || defined __DOXYGEN__ #define LWIP_SO_LINGER 0 #endif /** * If LWIP_SO_RCVBUF is used, this is the default value for recv_bufsize. */ #if !defined RECV_BUFSIZE_DEFAULT || defined __DOXYGEN__ #define RECV_BUFSIZE_DEFAULT INT_MAX #endif /** * By default, TCP socket/netconn close waits 20 seconds max to send the FIN */ #if !defined LWIP_TCP_CLOSE_TIMEOUT_MS_DEFAULT || defined __DOXYGEN__ #define LWIP_TCP_CLOSE_TIMEOUT_MS_DEFAULT 20000 #endif /** * SO_REUSE==1: Enable SO_REUSEADDR option. */ #if !defined SO_REUSE || defined __DOXYGEN__ #define SO_REUSE 0 #endif /** * SO_REUSE_RXTOALL==1: Pass a copy of incoming broadcast/multicast packets * to all local matches if SO_REUSEADDR is turned on. * WARNING: Adds a memcpy for every packet if passing to more than one pcb! */ #if !defined SO_REUSE_RXTOALL || defined __DOXYGEN__ #define SO_REUSE_RXTOALL 0 #endif /** * LWIP_FIONREAD_LINUXMODE==0 (default): ioctl/FIONREAD returns the amount of * pending data in the network buffer. This is the way windows does it. It's * the default for lwIP since it is smaller. * LWIP_FIONREAD_LINUXMODE==1: ioctl/FIONREAD returns the size of the next * pending datagram in bytes. This is the way linux does it. This code is only * here for compatibility. */ #if !defined LWIP_FIONREAD_LINUXMODE || defined __DOXYGEN__ #define LWIP_FIONREAD_LINUXMODE 0 #endif /** * LWIP_SOCKET_SELECT==1 (default): enable select() for sockets (uses a netconn * callback to keep track of events). * This saves RAM (counters per socket) and code (netconn event callback), which * should improve performance a bit). */ #if !defined LWIP_SOCKET_SELECT || defined __DOXYGEN__ #define LWIP_SOCKET_SELECT 1 #endif /** * LWIP_SOCKET_POLL==1 (default): enable poll() for sockets (including * struct pollfd, nfds_t, and constants) */ #if !defined LWIP_SOCKET_POLL || defined __DOXYGEN__ #define LWIP_SOCKET_POLL 1 #endif /** * @} */ /* ---------------------------------------- ---------- Statistics options ---------- ---------------------------------------- */ /** * @defgroup lwip_opts_stats Statistics * @ingroup lwip_opts_debug * @{ */ /** * LWIP_STATS==1: Enable statistics collection in lwip_stats. */ #if !defined LWIP_STATS || defined __DOXYGEN__ #define LWIP_STATS 1 #endif #if LWIP_STATS /** * LWIP_STATS_DISPLAY==1: Compile in the statistics output functions. */ #if !defined LWIP_STATS_DISPLAY || defined __DOXYGEN__ #define LWIP_STATS_DISPLAY 0 #endif /** * LINK_STATS==1: Enable link stats. */ #if !defined LINK_STATS || defined __DOXYGEN__ #define LINK_STATS 1 #endif /** * ETHARP_STATS==1: Enable etharp stats. */ #if !defined ETHARP_STATS || defined __DOXYGEN__ #define ETHARP_STATS (LWIP_ARP) #endif /** * IP_STATS==1: Enable IP stats. */ #if !defined IP_STATS || defined __DOXYGEN__ #define IP_STATS 1 #endif /** * IPFRAG_STATS==1: Enable IP fragmentation stats. Default is * on if using either frag or reass. */ #if !defined IPFRAG_STATS || defined __DOXYGEN__ #define IPFRAG_STATS (IP_REASSEMBLY || IP_FRAG) #endif /** * ICMP_STATS==1: Enable ICMP stats. */ #if !defined ICMP_STATS || defined __DOXYGEN__ #define ICMP_STATS 1 #endif /** * IGMP_STATS==1: Enable IGMP stats. */ #if !defined IGMP_STATS || defined __DOXYGEN__ #define IGMP_STATS (LWIP_IGMP) #endif /** * UDP_STATS==1: Enable UDP stats. Default is on if * UDP enabled, otherwise off. */ #if !defined UDP_STATS || defined __DOXYGEN__ #define UDP_STATS (LWIP_UDP) #endif /** * TCP_STATS==1: Enable TCP stats. Default is on if TCP * enabled, otherwise off. */ #if !defined TCP_STATS || defined __DOXYGEN__ #define TCP_STATS (LWIP_TCP) #endif /** * MEM_STATS==1: Enable mem.c stats. */ #if !defined MEM_STATS || defined __DOXYGEN__ #define MEM_STATS ((MEM_LIBC_MALLOC == 0) && (MEM_USE_POOLS == 0)) #endif /** * MEMP_STATS==1: Enable memp.c pool stats. */ #if !defined MEMP_STATS || defined __DOXYGEN__ #define MEMP_STATS (MEMP_MEM_MALLOC == 0) #endif /** * SYS_STATS==1: Enable system stats (sem and mbox counts, etc). */ #if !defined SYS_STATS || defined __DOXYGEN__ #define SYS_STATS (NO_SYS == 0) #endif /** * IP6_STATS==1: Enable IPv6 stats. */ #if !defined IP6_STATS || defined __DOXYGEN__ #define IP6_STATS (LWIP_IPV6) #endif /** * ICMP6_STATS==1: Enable ICMP for IPv6 stats. */ #if !defined ICMP6_STATS || defined __DOXYGEN__ #define ICMP6_STATS (LWIP_IPV6 && LWIP_ICMP6) #endif /** * IP6_FRAG_STATS==1: Enable IPv6 fragmentation stats. */ #if !defined IP6_FRAG_STATS || defined __DOXYGEN__ #define IP6_FRAG_STATS (LWIP_IPV6 && (LWIP_IPV6_FRAG || LWIP_IPV6_REASS)) #endif /** * MLD6_STATS==1: Enable MLD for IPv6 stats. */ #if !defined MLD6_STATS || defined __DOXYGEN__ #define MLD6_STATS (LWIP_IPV6 && LWIP_IPV6_MLD) #endif /** * ND6_STATS==1: Enable Neighbor discovery for IPv6 stats. */ #if !defined ND6_STATS || defined __DOXYGEN__ #define ND6_STATS (LWIP_IPV6) #endif /** * MIB2_STATS==1: Stats for SNMP MIB2. */ #if !defined MIB2_STATS || defined __DOXYGEN__ #define MIB2_STATS 0 #endif #else #define LINK_STATS 0 #define ETHARP_STATS 0 #define IP_STATS 0 #define IPFRAG_STATS 0 #define ICMP_STATS 0 #define IGMP_STATS 0 #define UDP_STATS 0 #define TCP_STATS 0 #define MEM_STATS 0 #define MEMP_STATS 0 #define SYS_STATS 0 #define LWIP_STATS_DISPLAY 0 #define IP6_STATS 0 #define ICMP6_STATS 0 #define IP6_FRAG_STATS 0 #define MLD6_STATS 0 #define ND6_STATS 0 #define MIB2_STATS 0 #endif /* LWIP_STATS */ /** * @} */ /* -------------------------------------- ---------- Checksum options ---------- -------------------------------------- */ /** * @defgroup lwip_opts_checksum Checksum * @ingroup lwip_opts_infrastructure * @{ */ /** * LWIP_CHECKSUM_CTRL_PER_NETIF==1: Checksum generation/check can be enabled/disabled * per netif. * ATTENTION: if enabled, the CHECKSUM_GEN_* and CHECKSUM_CHECK_* defines must be enabled! */ #if !defined LWIP_CHECKSUM_CTRL_PER_NETIF || defined __DOXYGEN__ #define LWIP_CHECKSUM_CTRL_PER_NETIF 0 #endif /** * CHECKSUM_GEN_IP==1: Generate checksums in software for outgoing IP packets. */ #if !defined CHECKSUM_GEN_IP || defined __DOXYGEN__ #define CHECKSUM_GEN_IP 1 #endif /** * CHECKSUM_GEN_UDP==1: Generate checksums in software for outgoing UDP packets. */ #if !defined CHECKSUM_GEN_UDP || defined __DOXYGEN__ #define CHECKSUM_GEN_UDP 1 #endif /** * CHECKSUM_GEN_TCP==1: Generate checksums in software for outgoing TCP packets. */ #if !defined CHECKSUM_GEN_TCP || defined __DOXYGEN__ #define CHECKSUM_GEN_TCP 1 #endif /** * CHECKSUM_GEN_ICMP==1: Generate checksums in software for outgoing ICMP packets. */ #if !defined CHECKSUM_GEN_ICMP || defined __DOXYGEN__ #define CHECKSUM_GEN_ICMP 1 #endif /** * CHECKSUM_GEN_ICMP6==1: Generate checksums in software for outgoing ICMP6 packets. */ #if !defined CHECKSUM_GEN_ICMP6 || defined __DOXYGEN__ #define CHECKSUM_GEN_ICMP6 1 #endif /** * CHECKSUM_CHECK_IP==1: Check checksums in software for incoming IP packets. */ #if !defined CHECKSUM_CHECK_IP || defined __DOXYGEN__ #define CHECKSUM_CHECK_IP 1 #endif /** * CHECKSUM_CHECK_UDP==1: Check checksums in software for incoming UDP packets. */ #if !defined CHECKSUM_CHECK_UDP || defined __DOXYGEN__ #define CHECKSUM_CHECK_UDP 1 #endif /** * CHECKSUM_CHECK_TCP==1: Check checksums in software for incoming TCP packets. */ #if !defined CHECKSUM_CHECK_TCP || defined __DOXYGEN__ #define CHECKSUM_CHECK_TCP 1 #endif /** * CHECKSUM_CHECK_ICMP==1: Check checksums in software for incoming ICMP packets. */ #if !defined CHECKSUM_CHECK_ICMP || defined __DOXYGEN__ #define CHECKSUM_CHECK_ICMP 1 #endif /** * CHECKSUM_CHECK_ICMP6==1: Check checksums in software for incoming ICMPv6 packets */ #if !defined CHECKSUM_CHECK_ICMP6 || defined __DOXYGEN__ #define CHECKSUM_CHECK_ICMP6 1 #endif /** * LWIP_CHECKSUM_ON_COPY==1: Calculate checksum when copying data from * application buffers to pbufs. */ #if !defined LWIP_CHECKSUM_ON_COPY || defined __DOXYGEN__ #define LWIP_CHECKSUM_ON_COPY 0 #endif /** * @} */ /* --------------------------------------- ---------- IPv6 options --------------- --------------------------------------- */ /** * @defgroup lwip_opts_ipv6 IPv6 * @ingroup lwip_opts * @{ */ /** * LWIP_IPV6==1: Enable IPv6 */ #if !defined LWIP_IPV6 || defined __DOXYGEN__ #define LWIP_IPV6 0 #endif /** * IPV6_REASS_MAXAGE: Maximum time (in multiples of IP6_REASS_TMR_INTERVAL - so seconds, normally) * a fragmented IP packet waits for all fragments to arrive. If not all fragments arrived * in this time, the whole packet is discarded. */ #if !defined IPV6_REASS_MAXAGE || defined __DOXYGEN__ #define IPV6_REASS_MAXAGE 60 #endif /** * LWIP_IPV6_SCOPES==1: Enable support for IPv6 address scopes, ensuring that * e.g. link-local addresses are really treated as link-local. Disable this * setting only for single-interface configurations. * All addresses that have a scope according to the default policy (link-local * unicast addresses, interface-local and link-local multicast addresses) should * now have a zone set on them before being passed to the core API, although * lwIP will currently attempt to select a zone on the caller's behalf when * necessary. Applications that directly assign IPv6 addresses to interfaces * (which is NOT recommended) must now ensure that link-local addresses carry * the netif's zone. See the new ip6_zone.h header file for more information and * relevant macros. For now it is still possible to turn off scopes support * through the new LWIP_IPV6_SCOPES option. When upgrading an implementation that * uses the core API directly, it is highly recommended to enable * LWIP_IPV6_SCOPES_DEBUG at least for a while, to ensure e.g. proper address * initialization. */ #if !defined LWIP_IPV6_SCOPES || defined __DOXYGEN__ #define LWIP_IPV6_SCOPES (LWIP_IPV6 && !LWIP_SINGLE_NETIF) #endif /** * LWIP_IPV6_SCOPES_DEBUG==1: Perform run-time checks to verify that addresses * are properly zoned (see ip6_zone.h on what that means) where it matters. * Enabling this setting is highly recommended when upgrading from an existing * installation that is not yet scope-aware; otherwise it may be too expensive. */ #if !defined LWIP_IPV6_SCOPES_DEBUG || defined __DOXYGEN__ #define LWIP_IPV6_SCOPES_DEBUG 0 #endif /** * LWIP_IPV6_NUM_ADDRESSES: Number of IPv6 addresses per netif. */ #if !defined LWIP_IPV6_NUM_ADDRESSES || defined __DOXYGEN__ #define LWIP_IPV6_NUM_ADDRESSES 3 #endif /** * LWIP_IPV6_FORWARD==1: Forward IPv6 packets across netifs */ #if !defined LWIP_IPV6_FORWARD || defined __DOXYGEN__ #define LWIP_IPV6_FORWARD 0 #endif /** * LWIP_IPV6_FRAG==1: Fragment outgoing IPv6 packets that are too big. */ #if !defined LWIP_IPV6_FRAG || defined __DOXYGEN__ #define LWIP_IPV6_FRAG 1 #endif /** * LWIP_IPV6_REASS==1: reassemble incoming IPv6 packets that fragmented */ #if !defined LWIP_IPV6_REASS || defined __DOXYGEN__ #define LWIP_IPV6_REASS LWIP_IPV6 #endif /** * LWIP_IPV6_SEND_ROUTER_SOLICIT==1: Send router solicitation messages during * network startup. */ #if !defined LWIP_IPV6_SEND_ROUTER_SOLICIT || defined __DOXYGEN__ #define LWIP_IPV6_SEND_ROUTER_SOLICIT LWIP_IPV6 #endif /** * LWIP_IPV6_AUTOCONFIG==1: Enable stateless address autoconfiguration as per RFC 4862. */ #if !defined LWIP_IPV6_AUTOCONFIG || defined __DOXYGEN__ #define LWIP_IPV6_AUTOCONFIG LWIP_IPV6 #endif /** * LWIP_IPV6_ADDRESS_LIFETIMES==1: Keep valid and preferred lifetimes for each * IPv6 address. Required for LWIP_IPV6_AUTOCONFIG. May still be enabled * otherwise, in which case the application may assign address lifetimes with * the appropriate macros. Addresses with no lifetime are assumed to be static. * If this option is disabled, all addresses are assumed to be static. */ #if !defined LWIP_IPV6_ADDRESS_LIFETIMES || defined __DOXYGEN__ #define LWIP_IPV6_ADDRESS_LIFETIMES LWIP_IPV6_AUTOCONFIG #endif /** * LWIP_IPV6_DUP_DETECT_ATTEMPTS=[0..7]: Number of duplicate address detection attempts. */ #if !defined LWIP_IPV6_DUP_DETECT_ATTEMPTS || defined __DOXYGEN__ #define LWIP_IPV6_DUP_DETECT_ATTEMPTS 1 #endif /** * @} */ /** * @defgroup lwip_opts_icmp6 ICMP6 * @ingroup lwip_opts_ipv6 * @{ */ /** * LWIP_ICMP6==1: Enable ICMPv6 (mandatory per RFC) */ #if !defined LWIP_ICMP6 || defined __DOXYGEN__ #define LWIP_ICMP6 LWIP_IPV6 #endif /** * LWIP_ICMP6_DATASIZE: bytes from original packet to send back in * ICMPv6 error messages (0 = default of IP6_MIN_MTU_LENGTH) * ATTENTION: RFC4443 section 2.4 says IP6_MIN_MTU_LENGTH is a MUST, * so override this only if you absolutely have to! */ #if !defined LWIP_ICMP6_DATASIZE || defined __DOXYGEN__ #define LWIP_ICMP6_DATASIZE 0 #endif /** * LWIP_ICMP6_HL: default hop limit for ICMPv6 messages */ #if !defined LWIP_ICMP6_HL || defined __DOXYGEN__ #define LWIP_ICMP6_HL 255 #endif /** * @} */ /** * @defgroup lwip_opts_mld6 Multicast listener discovery * @ingroup lwip_opts_ipv6 * @{ */ /** * LWIP_IPV6_MLD==1: Enable multicast listener discovery protocol. * If LWIP_IPV6 is enabled but this setting is disabled, the MAC layer must * indiscriminately pass all inbound IPv6 multicast traffic to lwIP. */ #if !defined LWIP_IPV6_MLD || defined __DOXYGEN__ #define LWIP_IPV6_MLD LWIP_IPV6 #endif /** * MEMP_NUM_MLD6_GROUP: Max number of IPv6 multicast groups that can be joined. * There must be enough groups so that each netif can join the solicited-node * multicast group for each of its local addresses, plus one for MDNS if * applicable, plus any number of groups to be joined on UDP sockets. */ #if !defined MEMP_NUM_MLD6_GROUP || defined __DOXYGEN__ #define MEMP_NUM_MLD6_GROUP 4 #endif /** * @} */ /** * @defgroup lwip_opts_nd6 Neighbor discovery * @ingroup lwip_opts_ipv6 * @{ */ /** * LWIP_ND6_QUEUEING==1: queue outgoing IPv6 packets while MAC address * is being resolved. */ #if !defined LWIP_ND6_QUEUEING || defined __DOXYGEN__ #define LWIP_ND6_QUEUEING LWIP_IPV6 #endif /** * MEMP_NUM_ND6_QUEUE: Max number of IPv6 packets to queue during MAC resolution. */ #if !defined MEMP_NUM_ND6_QUEUE || defined __DOXYGEN__ #define MEMP_NUM_ND6_QUEUE 20 #endif /** * LWIP_ND6_NUM_NEIGHBORS: Number of entries in IPv6 neighbor cache */ #if !defined LWIP_ND6_NUM_NEIGHBORS || defined __DOXYGEN__ #define LWIP_ND6_NUM_NEIGHBORS 10 #endif /** * LWIP_ND6_NUM_DESTINATIONS: number of entries in IPv6 destination cache */ #if !defined LWIP_ND6_NUM_DESTINATIONS || defined __DOXYGEN__ #define LWIP_ND6_NUM_DESTINATIONS 10 #endif /** * LWIP_ND6_NUM_PREFIXES: number of entries in IPv6 on-link prefixes cache */ #if !defined LWIP_ND6_NUM_PREFIXES || defined __DOXYGEN__ #define LWIP_ND6_NUM_PREFIXES 5 #endif /** * LWIP_ND6_NUM_ROUTERS: number of entries in IPv6 default router cache */ #if !defined LWIP_ND6_NUM_ROUTERS || defined __DOXYGEN__ #define LWIP_ND6_NUM_ROUTERS 3 #endif /** * LWIP_ND6_MAX_MULTICAST_SOLICIT: max number of multicast solicit messages to send * (neighbor solicit and router solicit) */ #if !defined LWIP_ND6_MAX_MULTICAST_SOLICIT || defined __DOXYGEN__ #define LWIP_ND6_MAX_MULTICAST_SOLICIT 3 #endif /** * LWIP_ND6_MAX_UNICAST_SOLICIT: max number of unicast neighbor solicitation messages * to send during neighbor reachability detection. */ #if !defined LWIP_ND6_MAX_UNICAST_SOLICIT || defined __DOXYGEN__ #define LWIP_ND6_MAX_UNICAST_SOLICIT 3 #endif /** * Unused: See ND RFC (time in milliseconds). */ #if !defined LWIP_ND6_MAX_ANYCAST_DELAY_TIME || defined __DOXYGEN__ #define LWIP_ND6_MAX_ANYCAST_DELAY_TIME 1000 #endif /** * Unused: See ND RFC */ #if !defined LWIP_ND6_MAX_NEIGHBOR_ADVERTISEMENT || defined __DOXYGEN__ #define LWIP_ND6_MAX_NEIGHBOR_ADVERTISEMENT 3 #endif /** * LWIP_ND6_REACHABLE_TIME: default neighbor reachable time (in milliseconds). * May be updated by router advertisement messages. */ #if !defined LWIP_ND6_REACHABLE_TIME || defined __DOXYGEN__ #define LWIP_ND6_REACHABLE_TIME 30000 #endif /** * LWIP_ND6_RETRANS_TIMER: default retransmission timer for solicitation messages */ #if !defined LWIP_ND6_RETRANS_TIMER || defined __DOXYGEN__ #define LWIP_ND6_RETRANS_TIMER 1000 #endif /** * LWIP_ND6_DELAY_FIRST_PROBE_TIME: Delay before first unicast neighbor solicitation * message is sent, during neighbor reachability detection. */ #if !defined LWIP_ND6_DELAY_FIRST_PROBE_TIME || defined __DOXYGEN__ #define LWIP_ND6_DELAY_FIRST_PROBE_TIME 5000 #endif /** * LWIP_ND6_ALLOW_RA_UPDATES==1: Allow Router Advertisement messages to update * Reachable time and retransmission timers, and netif MTU. */ #if !defined LWIP_ND6_ALLOW_RA_UPDATES || defined __DOXYGEN__ #define LWIP_ND6_ALLOW_RA_UPDATES 1 #endif /** * LWIP_ND6_TCP_REACHABILITY_HINTS==1: Allow TCP to provide Neighbor Discovery * with reachability hints for connected destinations. This helps avoid sending * unicast neighbor solicitation messages. */ #if !defined LWIP_ND6_TCP_REACHABILITY_HINTS || defined __DOXYGEN__ #define LWIP_ND6_TCP_REACHABILITY_HINTS 1 #endif /** * LWIP_ND6_RDNSS_MAX_DNS_SERVERS > 0: Use IPv6 Router Advertisement Recursive * DNS Server Option (as per RFC 6106) to copy a defined maximum number of DNS * servers to the DNS module. */ #if !defined LWIP_ND6_RDNSS_MAX_DNS_SERVERS || defined __DOXYGEN__ #define LWIP_ND6_RDNSS_MAX_DNS_SERVERS 0 #endif /** * @} */ /** * @defgroup lwip_opts_dhcpv6 DHCPv6 * @ingroup lwip_opts_ipv6 * @{ */ /** * LWIP_IPV6_DHCP6==1: enable DHCPv6 stateful/stateless address autoconfiguration. */ #if !defined LWIP_IPV6_DHCP6 || defined __DOXYGEN__ #define LWIP_IPV6_DHCP6 0 #endif /** * LWIP_IPV6_DHCP6_STATEFUL==1: enable DHCPv6 stateful address autoconfiguration. * (not supported, yet!) */ #if !defined LWIP_IPV6_DHCP6_STATEFUL || defined __DOXYGEN__ #define LWIP_IPV6_DHCP6_STATEFUL 0 #endif /** * LWIP_IPV6_DHCP6_STATELESS==1: enable DHCPv6 stateless address autoconfiguration. */ #if !defined LWIP_IPV6_DHCP6_STATELESS || defined __DOXYGEN__ #define LWIP_IPV6_DHCP6_STATELESS LWIP_IPV6_DHCP6 #endif /** * LWIP_DHCP6_GETS_NTP==1: Request NTP servers via DHCPv6. For each * response packet, a callback is called, which has to be provided by the port: * void dhcp6_set_ntp_servers(u8_t num_ntp_servers, ip_addr_t* ntp_server_addrs); */ #if !defined LWIP_DHCP6_GET_NTP_SRV || defined __DOXYGEN__ #define LWIP_DHCP6_GET_NTP_SRV 0 #endif /** * The maximum of NTP servers requested */ #if !defined LWIP_DHCP6_MAX_NTP_SERVERS || defined __DOXYGEN__ #define LWIP_DHCP6_MAX_NTP_SERVERS 1 #endif /** * LWIP_DHCP6_MAX_DNS_SERVERS > 0: Request DNS servers via DHCPv6. * DNS servers received in the response are passed to DNS via @ref dns_setserver() * (up to the maximum limit defined here). */ #if !defined LWIP_DHCP6_MAX_DNS_SERVERS || defined __DOXYGEN__ #define LWIP_DHCP6_MAX_DNS_SERVERS DNS_MAX_SERVERS #endif /** * @} */ /* --------------------------------------- ---------- Hook options --------------- --------------------------------------- */ /** * @defgroup lwip_opts_hooks Hooks * @ingroup lwip_opts_infrastructure * Hooks are undefined by default, define them to a function if you need them. * @{ */ /** * LWIP_HOOK_FILENAME: Custom filename to \#include in files that provide hooks. * Declare your hook function prototypes in there, you may also \#include all headers * providing data types that are need in this file. */ #ifdef __DOXYGEN__ #define LWIP_HOOK_FILENAME "path/to/my/lwip_hooks.h" #endif /** * LWIP_HOOK_TCP_ISN: * Hook for generation of the Initial Sequence Number (ISN) for a new TCP * connection. The default lwIP ISN generation algorithm is very basic and may * allow for TCP spoofing attacks. This hook provides the means to implement * the standardized ISN generation algorithm from RFC 6528 (see contrib/adons/tcp_isn), * or any other desired algorithm as a replacement. * Called from tcp_connect() and tcp_listen_input() when an ISN is needed for * a new TCP connection, if TCP support (@ref LWIP_TCP) is enabled.
* Signature:\code{.c} * u32_t my_hook_tcp_isn(const ip_addr_t* local_ip, u16_t local_port, const ip_addr_t* remote_ip, u16_t remote_port); * \endcode * - it may be necessary to use "struct ip_addr" (ip4_addr, ip6_addr) instead of "ip_addr_t" in function declarations
* Arguments: * - local_ip: pointer to the local IP address of the connection * - local_port: local port number of the connection (host-byte order) * - remote_ip: pointer to the remote IP address of the connection * - remote_port: remote port number of the connection (host-byte order)
* Return value: * - the 32-bit Initial Sequence Number to use for the new TCP connection. */ #ifdef __DOXYGEN__ #define LWIP_HOOK_TCP_ISN(local_ip, local_port, remote_ip, remote_port) #endif /** * LWIP_HOOK_TCP_INPACKET_PCB: * Hook for intercepting incoming packets before they are passed to a pcb. This * allows updating some state or even dropping a packet. * Signature:\code{.c} * err_t my_hook_tcp_inpkt(struct tcp_pcb *pcb, struct tcp_hdr *hdr, u16_t optlen, u16_t opt1len, u8_t *opt2, struct pbuf *p); * \endcode * Arguments: * - pcb: tcp_pcb selected for input of this packet (ATTENTION: this may be * struct tcp_pcb_listen if pcb->state == LISTEN) * - hdr: pointer to tcp header (ATTENTION: tcp options may not be in one piece!) * - optlen: tcp option length * - opt1len: tcp option length 1st part * - opt2: if this is != NULL, tcp options are split among 2 pbufs. In that case, * options start at right after the tcp header ('(u8_t*)(hdr + 1)') for * the first 'opt1len' bytes and the rest starts at 'opt2'. opt2len can * be simply calculated: 'opt2len = optlen - opt1len;' * - p: input packet, p->payload points to application data (that's why tcp hdr * and options are passed in separately) * Return value: * - ERR_OK: continue input of this packet as normal * - != ERR_OK: drop this packet for input (don't continue input processing) * * ATTENTION: don't call any tcp api functions that might change tcp state (pcb * state or any pcb lists) from this callback! */ #ifdef __DOXYGEN__ #define LWIP_HOOK_TCP_INPACKET_PCB(pcb, hdr, optlen, opt1len, opt2, p) #endif /** * LWIP_HOOK_TCP_OUT_TCPOPT_LENGTH: * Hook for increasing the size of the options allocated with a tcp header. * Together with LWIP_HOOK_TCP_OUT_ADD_TCPOPTS, this can be used to add custom * options to outgoing tcp segments. * Signature:\code{.c} * u8_t my_hook_tcp_out_tcpopt_length(const struct tcp_pcb *pcb, u8_t internal_option_length); * \endcode * Arguments: * - pcb: tcp_pcb that transmits (ATTENTION: this may be NULL or * struct tcp_pcb_listen if pcb->state == LISTEN) * - internal_option_length: tcp option length used by the stack internally * Return value: * - a number of bytes to allocate for tcp options (internal_option_length <= ret <= 40) * * ATTENTION: don't call any tcp api functions that might change tcp state (pcb * state or any pcb lists) from this callback! */ #ifdef __DOXYGEN__ #define LWIP_HOOK_TCP_OUT_TCPOPT_LENGTH(pcb, internal_len) #endif /** * LWIP_HOOK_TCP_OUT_ADD_TCPOPTS: * Hook for adding custom options to outgoing tcp segments. * Space for these custom options has to be reserved via LWIP_HOOK_TCP_OUT_TCPOPT_LENGTH. * Signature:\code{.c} * u32_t *my_hook_tcp_out_add_tcpopts(struct pbuf *p, struct tcp_hdr *hdr, const struct tcp_pcb *pcb, u32_t *opts); * \endcode * Arguments: * - p: output packet, p->payload pointing to tcp header, data follows * - hdr: tcp header * - pcb: tcp_pcb that transmits (ATTENTION: this may be NULL or * struct tcp_pcb_listen if pcb->state == LISTEN) * - opts: pointer where to add the custom options (there may already be options * between the header and these) * Return value: * - pointer pointing directly after the inserted options * * ATTENTION: don't call any tcp api functions that might change tcp state (pcb * state or any pcb lists) from this callback! */ #ifdef __DOXYGEN__ #define LWIP_HOOK_TCP_OUT_ADD_TCPOPTS(p, hdr, pcb, opts) #endif /** * LWIP_HOOK_IP4_INPUT(pbuf, input_netif): * Called from ip_input() (IPv4) * Signature:\code{.c} * int my_hook(struct pbuf *pbuf, struct netif *input_netif); * \endcode * Arguments: * - pbuf: received struct pbuf passed to ip_input() * - input_netif: struct netif on which the packet has been received * Return values: * - 0: Hook has not consumed the packet, packet is processed as normal * - != 0: Hook has consumed the packet. * If the hook consumed the packet, 'pbuf' is in the responsibility of the hook * (i.e. free it when done). */ #ifdef __DOXYGEN__ #define LWIP_HOOK_IP4_INPUT(pbuf, input_netif) #endif /** * LWIP_HOOK_IP4_ROUTE(dest): * Called from ip_route() (IPv4) * Signature:\code{.c} * struct netif *my_hook(const ip4_addr_t *dest); * \endcode * Arguments: * - dest: destination IPv4 address * Returns values: * - the destination netif * - NULL if no destination netif is found. In that case, ip_route() continues as normal. */ #ifdef __DOXYGEN__ #define LWIP_HOOK_IP4_ROUTE() #endif /** * LWIP_HOOK_IP4_ROUTE_SRC(src, dest): * Source-based routing for IPv4 - called from ip_route() (IPv4) * Signature:\code{.c} * struct netif *my_hook(const ip4_addr_t *src, const ip4_addr_t *dest); * \endcode * Arguments: * - src: local/source IPv4 address * - dest: destination IPv4 address * Returns values: * - the destination netif * - NULL if no destination netif is found. In that case, ip_route() continues as normal. */ #ifdef __DOXYGEN__ #define LWIP_HOOK_IP4_ROUTE_SRC(src, dest) #endif /** * LWIP_HOOK_IP4_CANFORWARD(src, dest): * Check if an IPv4 can be forwarded - called from: * ip4_input() -> ip4_forward() -> ip4_canforward() (IPv4) * - source address is available via ip4_current_src_addr() * - calling an output function in this context (e.g. multicast router) is allowed * Signature:\code{.c} * int my_hook(struct pbuf *p, u32_t dest_addr_hostorder); * \endcode * Arguments: * - p: packet to forward * - dest: destination IPv4 address * Returns values: * - 1: forward * - 0: don't forward * - -1: no decision. In that case, ip4_canforward() continues as normal. */ #ifdef __DOXYGEN__ #define LWIP_HOOK_IP4_CANFORWARD(src, dest) #endif /** * LWIP_HOOK_ETHARP_GET_GW(netif, dest): * Called from etharp_output() (IPv4) * Signature:\code{.c} * const ip4_addr_t *my_hook(struct netif *netif, const ip4_addr_t *dest); * \endcode * Arguments: * - netif: the netif used for sending * - dest: the destination IPv4 address * Return values: * - the IPv4 address of the gateway to handle the specified destination IPv4 address * - NULL, in which case the netif's default gateway is used * * The returned address MUST be directly reachable on the specified netif! * This function is meant to implement advanced IPv4 routing together with * LWIP_HOOK_IP4_ROUTE(). The actual routing/gateway table implementation is * not part of lwIP but can e.g. be hidden in the netif's state argument. */ #ifdef __DOXYGEN__ #define LWIP_HOOK_ETHARP_GET_GW(netif, dest) #endif /** * LWIP_HOOK_IP6_INPUT(pbuf, input_netif): * Called from ip6_input() (IPv6) * Signature:\code{.c} * int my_hook(struct pbuf *pbuf, struct netif *input_netif); * \endcode * Arguments: * - pbuf: received struct pbuf passed to ip6_input() * - input_netif: struct netif on which the packet has been received * Return values: * - 0: Hook has not consumed the packet, packet is processed as normal * - != 0: Hook has consumed the packet. * If the hook consumed the packet, 'pbuf' is in the responsibility of the hook * (i.e. free it when done). */ #ifdef __DOXYGEN__ #define LWIP_HOOK_IP6_INPUT(pbuf, input_netif) #endif /** * LWIP_HOOK_IP6_ROUTE(src, dest): * Called from ip_route() (IPv6) * Signature:\code{.c} * struct netif *my_hook(const ip6_addr_t *dest, const ip6_addr_t *src); * \endcode * Arguments: * - src: source IPv6 address * - dest: destination IPv6 address * Return values: * - the destination netif * - NULL if no destination netif is found. In that case, ip6_route() continues as normal. */ #ifdef __DOXYGEN__ #define LWIP_HOOK_IP6_ROUTE(src, dest) #endif /** * LWIP_HOOK_ND6_GET_GW(netif, dest): * Called from nd6_get_next_hop_entry() (IPv6) * Signature:\code{.c} * const ip6_addr_t *my_hook(struct netif *netif, const ip6_addr_t *dest); * \endcode * Arguments: * - netif: the netif used for sending * - dest: the destination IPv6 address * Return values: * - the IPv6 address of the next hop to handle the specified destination IPv6 address * - NULL, in which case a NDP-discovered router is used instead * * The returned address MUST be directly reachable on the specified netif! * This function is meant to implement advanced IPv6 routing together with * LWIP_HOOK_IP6_ROUTE(). The actual routing/gateway table implementation is * not part of lwIP but can e.g. be hidden in the netif's state argument. */ #ifdef __DOXYGEN__ #define LWIP_HOOK_ND6_GET_GW(netif, dest) #endif /** * LWIP_HOOK_VLAN_CHECK(netif, eth_hdr, vlan_hdr): * Called from ethernet_input() if VLAN support is enabled * Signature:\code{.c} * int my_hook(struct netif *netif, struct eth_hdr *eth_hdr, struct eth_vlan_hdr *vlan_hdr); * \endcode * Arguments: * - netif: struct netif on which the packet has been received * - eth_hdr: struct eth_hdr of the packet * - vlan_hdr: struct eth_vlan_hdr of the packet * Return values: * - 0: Packet must be dropped. * - != 0: Packet must be accepted. */ #ifdef __DOXYGEN__ #define LWIP_HOOK_VLAN_CHECK(netif, eth_hdr, vlan_hdr) #endif /** * LWIP_HOOK_VLAN_SET: * Hook can be used to set prio_vid field of vlan_hdr. If you need to store data * on per-netif basis to implement this callback, see @ref netif_cd. * Called from ethernet_output() if VLAN support (@ref ETHARP_SUPPORT_VLAN) is enabled.
* Signature:\code{.c} * s32_t my_hook_vlan_set(struct netif* netif, struct pbuf* pbuf, const struct eth_addr* src, const struct eth_addr* dst, u16_t eth_type); * \endcode * Arguments: * - netif: struct netif that the packet will be sent through * - p: struct pbuf packet to be sent * - src: source eth address * - dst: destination eth address * - eth_type: ethernet type to packet to be sent
* * * Return values: * - <0: Packet shall not contain VLAN header. * - 0 <= return value <= 0xFFFF: Packet shall contain VLAN header. Return value is prio_vid in host byte order. */ #ifdef __DOXYGEN__ #define LWIP_HOOK_VLAN_SET(netif, p, src, dst, eth_type) #endif /** * LWIP_HOOK_MEMP_AVAILABLE(memp_t_type): * Called from memp_free() when a memp pool was empty and an item is now available * Signature:\code{.c} * void my_hook(memp_t type); * \endcode */ #ifdef __DOXYGEN__ #define LWIP_HOOK_MEMP_AVAILABLE(memp_t_type) #endif /** * LWIP_HOOK_UNKNOWN_ETH_PROTOCOL(pbuf, netif): * Called from ethernet_input() when an unknown eth type is encountered. * Signature:\code{.c} * err_t my_hook(struct pbuf* pbuf, struct netif* netif); * \endcode * Arguments: * - p: rx packet with unknown eth type * - netif: netif on which the packet has been received * Return values: * - ERR_OK if packet is accepted (hook function now owns the pbuf) * - any error code otherwise (pbuf is freed) * * Payload points to ethernet header! */ #ifdef __DOXYGEN__ #define LWIP_HOOK_UNKNOWN_ETH_PROTOCOL(pbuf, netif) #endif /** * LWIP_HOOK_DHCP_APPEND_OPTIONS(netif, dhcp, state, msg, msg_type, options_len_ptr): * Called from various dhcp functions when sending a DHCP message. * This hook is called just before the DHCP message trailer is added, so the * options are at the end of a DHCP message. * Signature:\code{.c} * void my_hook(struct netif *netif, struct dhcp *dhcp, u8_t state, struct dhcp_msg *msg, * u8_t msg_type, u16_t *options_len_ptr); * \endcode * Arguments: * - netif: struct netif that the packet will be sent through * - dhcp: struct dhcp on that netif * - state: current dhcp state (dhcp_state_enum_t as an u8_t) * - msg: struct dhcp_msg that will be sent * - msg_type: dhcp message type to be sent (u8_t) * - options_len_ptr: pointer to the current length of options in the dhcp_msg "msg" * (must be increased when options are added!) * * Options need to appended like this: * LWIP_ASSERT("dhcp option overflow", *options_len_ptr + option_len + 2 <= DHCP_OPTIONS_LEN); * msg->options[(*options_len_ptr)++] = <option_number>; * msg->options[(*options_len_ptr)++] = <option_len>; * msg->options[(*options_len_ptr)++] = <option_bytes>; * [...] */ #ifdef __DOXYGEN__ #define LWIP_HOOK_DHCP_APPEND_OPTIONS(netif, dhcp, state, msg, msg_type, options_len_ptr) #endif /** * LWIP_HOOK_DHCP_PARSE_OPTION(netif, dhcp, state, msg, msg_type, option, len, pbuf, option_value_offset): * Called from dhcp_parse_reply when receiving a DHCP message. * This hook is called for every option in the received message that is not handled internally. * Signature:\code{.c} * void my_hook(struct netif *netif, struct dhcp *dhcp, u8_t state, struct dhcp_msg *msg, * u8_t msg_type, u8_t option, u8_t option_len, struct pbuf *pbuf, u16_t option_value_offset); * \endcode * Arguments: * - netif: struct netif that the packet will be sent through * - dhcp: struct dhcp on that netif * - state: current dhcp state (dhcp_state_enum_t as an u8_t) * - msg: struct dhcp_msg that was received * - msg_type: dhcp message type received (u8_t, ATTENTION: only valid after * the message type option has been parsed!) * - option: option value (u8_t) * - len: option data length (u8_t) * - pbuf: pbuf where option data is contained * - option_value_offset: offset in pbuf where option data begins * * A nice way to get the option contents is pbuf_get_contiguous(): * u8_t buf[32]; * u8_t *ptr = (u8_t*)pbuf_get_contiguous(p, buf, sizeof(buf), LWIP_MIN(option_len, sizeof(buf)), offset); */ #ifdef __DOXYGEN__ #define LWIP_HOOK_DHCP_PARSE_OPTION(netif, dhcp, state, msg, msg_type, option, len, pbuf, offset) #endif /** * LWIP_HOOK_DHCP6_APPEND_OPTIONS(netif, dhcp6, state, msg, msg_type, options_len_ptr, max_len): * Called from various dhcp6 functions when sending a DHCP6 message. * This hook is called just before the DHCP6 message is sent, so the * options are at the end of a DHCP6 message. * Signature:\code{.c} * void my_hook(struct netif *netif, struct dhcp6 *dhcp, u8_t state, struct dhcp6_msg *msg, * u8_t msg_type, u16_t *options_len_ptr); * \endcode * Arguments: * - netif: struct netif that the packet will be sent through * - dhcp6: struct dhcp6 on that netif * - state: current dhcp6 state (dhcp6_state_enum_t as an u8_t) * - msg: struct dhcp6_msg that will be sent * - msg_type: dhcp6 message type to be sent (u8_t) * - options_len_ptr: pointer to the current length of options in the dhcp6_msg "msg" * (must be increased when options are added!) * * Options need to appended like this: * u8_t *options = (u8_t *)(msg + 1); * LWIP_ASSERT("dhcp option overflow", sizeof(struct dhcp6_msg) + *options_len_ptr + newoptlen <= max_len); * options[(*options_len_ptr)++] = <option_data>; * [...] */ #ifdef __DOXYGEN__ #define LWIP_HOOK_DHCP6_APPEND_OPTIONS(netif, dhcp6, state, msg, msg_type, options_len_ptr, max_len) #endif /** * LWIP_HOOK_SOCKETS_SETSOCKOPT(s, sock, level, optname, optval, optlen, err) * Called from socket API to implement setsockopt() for options not provided by lwIP. * Core lock is held when this hook is called. * Signature:\code{.c} * int my_hook(int s, struct lwip_sock *sock, int level, int optname, const void *optval, socklen_t optlen, int *err) * \endcode * Arguments: * - s: socket file descriptor * - sock: internal socket descriptor (see lwip/priv/sockets_priv.h) * - level: protocol level at which the option resides * - optname: option to set * - optval: value to set * - optlen: size of optval * - err: output error * Return values: * - 0: Hook has not consumed the option, code continues as normal (to internal options) * - != 0: Hook has consumed the option, 'err' is returned */ #ifdef __DOXYGEN__ #define LWIP_HOOK_SOCKETS_SETSOCKOPT(s, sock, level, optname, optval, optlen, err) #endif /** * LWIP_HOOK_SOCKETS_GETSOCKOPT(s, sock, level, optname, optval, optlen, err) * Called from socket API to implement getsockopt() for options not provided by lwIP. * Core lock is held when this hook is called. * Signature:\code{.c} * int my_hook(int s, struct lwip_sock *sock, int level, int optname, void *optval, socklen_t *optlen, int *err) * \endcode * Arguments: * - s: socket file descriptor * - sock: internal socket descriptor (see lwip/priv/sockets_priv.h) * - level: protocol level at which the option resides * - optname: option to get * - optval: value to get * - optlen: size of optval * - err: output error * Return values: * - 0: Hook has not consumed the option, code continues as normal (to internal options) * - != 0: Hook has consumed the option, 'err' is returned */ #ifdef __DOXYGEN__ #define LWIP_HOOK_SOCKETS_GETSOCKOPT(s, sock, level, optname, optval, optlen, err) #endif /** * LWIP_HOOK_NETCONN_EXTERNAL_RESOLVE(name, addr, addrtype, err) * Called from netconn APIs (not usable with callback apps) allowing an * external DNS resolver (which uses sequential API) to handle the query. * Signature:\code{.c} * int my_hook(const char *name, ip_addr_t *addr, u8_t addrtype, err_t *err) * \endcode * Arguments: * - name: hostname to resolve * - addr: output host address * - addrtype: type of address to query * - err: output error * Return values: * - 0: Hook has not consumed hostname query, query continues into DNS module * - != 0: Hook has consumed the query * * err must also be checked to determine if the hook consumed the query, but * the query failed */ #ifdef __DOXYGEN__ #define LWIP_HOOK_NETCONN_EXTERNAL_RESOLVE(name, addr, addrtype, err) #endif /** * @} */ /* --------------------------------------- ---------- Debugging options ---------- --------------------------------------- */ /** * @defgroup lwip_opts_debugmsg Debug messages * @ingroup lwip_opts_debug * @{ */ /** * LWIP_DBG_MIN_LEVEL: After masking, the value of the debug is * compared against this value. If it is smaller, then debugging * messages are written. * @see debugging_levels */ #if !defined LWIP_DBG_MIN_LEVEL || defined __DOXYGEN__ #define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_ALL #endif /** * LWIP_DBG_TYPES_ON: A mask that can be used to globally enable/disable * debug messages of certain types. * @see debugging_levels */ #if !defined LWIP_DBG_TYPES_ON || defined __DOXYGEN__ #define LWIP_DBG_TYPES_ON LWIP_DBG_ON #endif /** * ETHARP_DEBUG: Enable debugging in etharp.c. */ #if !defined ETHARP_DEBUG || defined __DOXYGEN__ #define ETHARP_DEBUG LWIP_DBG_OFF #endif /** * NETIF_DEBUG: Enable debugging in netif.c. */ #if !defined NETIF_DEBUG || defined __DOXYGEN__ #define NETIF_DEBUG LWIP_DBG_OFF #endif /** * PBUF_DEBUG: Enable debugging in pbuf.c. */ #if !defined PBUF_DEBUG || defined __DOXYGEN__ #define PBUF_DEBUG LWIP_DBG_OFF #endif /** * API_LIB_DEBUG: Enable debugging in api_lib.c. */ #if !defined API_LIB_DEBUG || defined __DOXYGEN__ #define API_LIB_DEBUG LWIP_DBG_OFF #endif /** * API_MSG_DEBUG: Enable debugging in api_msg.c. */ #if !defined API_MSG_DEBUG || defined __DOXYGEN__ #define API_MSG_DEBUG LWIP_DBG_OFF #endif /** * SOCKETS_DEBUG: Enable debugging in sockets.c. */ #if !defined SOCKETS_DEBUG || defined __DOXYGEN__ #define SOCKETS_DEBUG LWIP_DBG_OFF #endif /** * ICMP_DEBUG: Enable debugging in icmp.c. */ #if !defined ICMP_DEBUG || defined __DOXYGEN__ #define ICMP_DEBUG LWIP_DBG_OFF #endif /** * IGMP_DEBUG: Enable debugging in igmp.c. */ #if !defined IGMP_DEBUG || defined __DOXYGEN__ #define IGMP_DEBUG LWIP_DBG_OFF #endif /** * INET_DEBUG: Enable debugging in inet.c. */ #if !defined INET_DEBUG || defined __DOXYGEN__ #define INET_DEBUG LWIP_DBG_OFF #endif /** * IP_DEBUG: Enable debugging for IP. */ #if !defined IP_DEBUG || defined __DOXYGEN__ #define IP_DEBUG LWIP_DBG_OFF #endif /** * IP_REASS_DEBUG: Enable debugging in ip_frag.c for both frag & reass. */ #if !defined IP_REASS_DEBUG || defined __DOXYGEN__ #define IP_REASS_DEBUG LWIP_DBG_OFF #endif /** * RAW_DEBUG: Enable debugging in raw.c. */ #if !defined RAW_DEBUG || defined __DOXYGEN__ #define RAW_DEBUG LWIP_DBG_OFF #endif /** * MEM_DEBUG: Enable debugging in mem.c. */ #if !defined MEM_DEBUG || defined __DOXYGEN__ #define MEM_DEBUG LWIP_DBG_OFF #endif /** * MEMP_DEBUG: Enable debugging in memp.c. */ #if !defined MEMP_DEBUG || defined __DOXYGEN__ #define MEMP_DEBUG LWIP_DBG_OFF #endif /** * SYS_DEBUG: Enable debugging in sys.c. */ #if !defined SYS_DEBUG || defined __DOXYGEN__ #define SYS_DEBUG LWIP_DBG_OFF #endif /** * TIMERS_DEBUG: Enable debugging in timers.c. */ #if !defined TIMERS_DEBUG || defined __DOXYGEN__ #define TIMERS_DEBUG LWIP_DBG_OFF #endif /** * TCP_DEBUG: Enable debugging for TCP. */ #if !defined TCP_DEBUG || defined __DOXYGEN__ #define TCP_DEBUG LWIP_DBG_OFF #endif /** * TCP_INPUT_DEBUG: Enable debugging in tcp_in.c for incoming debug. */ #if !defined TCP_INPUT_DEBUG || defined __DOXYGEN__ #define TCP_INPUT_DEBUG LWIP_DBG_OFF #endif /** * TCP_FR_DEBUG: Enable debugging in tcp_in.c for fast retransmit. */ #if !defined TCP_FR_DEBUG || defined __DOXYGEN__ #define TCP_FR_DEBUG LWIP_DBG_OFF #endif /** * TCP_RTO_DEBUG: Enable debugging in TCP for retransmit * timeout. */ #if !defined TCP_RTO_DEBUG || defined __DOXYGEN__ #define TCP_RTO_DEBUG LWIP_DBG_OFF #endif /** * TCP_CWND_DEBUG: Enable debugging for TCP congestion window. */ #if !defined TCP_CWND_DEBUG || defined __DOXYGEN__ #define TCP_CWND_DEBUG LWIP_DBG_OFF #endif /** * TCP_WND_DEBUG: Enable debugging in tcp_in.c for window updating. */ #if !defined TCP_WND_DEBUG || defined __DOXYGEN__ #define TCP_WND_DEBUG LWIP_DBG_OFF #endif /** * TCP_OUTPUT_DEBUG: Enable debugging in tcp_out.c output functions. */ #if !defined TCP_OUTPUT_DEBUG || defined __DOXYGEN__ #define TCP_OUTPUT_DEBUG LWIP_DBG_OFF #endif /** * TCP_RST_DEBUG: Enable debugging for TCP with the RST message. */ #if !defined TCP_RST_DEBUG || defined __DOXYGEN__ #define TCP_RST_DEBUG LWIP_DBG_OFF #endif /** * TCP_QLEN_DEBUG: Enable debugging for TCP queue lengths. */ #if !defined TCP_QLEN_DEBUG || defined __DOXYGEN__ #define TCP_QLEN_DEBUG LWIP_DBG_OFF #endif /** * UDP_DEBUG: Enable debugging in UDP. */ #if !defined UDP_DEBUG || defined __DOXYGEN__ #define UDP_DEBUG LWIP_DBG_OFF #endif /** * TCPIP_DEBUG: Enable debugging in tcpip.c. */ #if !defined TCPIP_DEBUG || defined __DOXYGEN__ #define TCPIP_DEBUG LWIP_DBG_OFF #endif /** * SLIP_DEBUG: Enable debugging in slipif.c. */ #if !defined SLIP_DEBUG || defined __DOXYGEN__ #define SLIP_DEBUG LWIP_DBG_OFF #endif /** * DHCP_DEBUG: Enable debugging in dhcp.c. */ #if !defined DHCP_DEBUG || defined __DOXYGEN__ #define DHCP_DEBUG LWIP_DBG_OFF #endif /** * AUTOIP_DEBUG: Enable debugging in autoip.c. */ #if !defined AUTOIP_DEBUG || defined __DOXYGEN__ #define AUTOIP_DEBUG LWIP_DBG_OFF #endif /** * ACD_DEBUG: Enable debugging in acd.c. */ #if !defined ACD_DEBUG || defined __DOXYGEN__ #define ACD_DEBUG LWIP_DBG_OFF #endif /** * DNS_DEBUG: Enable debugging for DNS. */ #if !defined DNS_DEBUG || defined __DOXYGEN__ #define DNS_DEBUG LWIP_DBG_OFF #endif /** * IP6_DEBUG: Enable debugging for IPv6. */ #if !defined IP6_DEBUG || defined __DOXYGEN__ #define IP6_DEBUG LWIP_DBG_OFF #endif /** * DHCP6_DEBUG: Enable debugging in dhcp6.c. */ #if !defined DHCP6_DEBUG || defined __DOXYGEN__ #define DHCP6_DEBUG LWIP_DBG_OFF #endif /** * @} */ /** * LWIP_TESTMODE: Changes to make unit test possible */ #if !defined LWIP_TESTMODE #define LWIP_TESTMODE 0 #endif /* -------------------------------------------------- ---------- Performance tracking options ---------- -------------------------------------------------- */ /** * @defgroup lwip_opts_perf Performance * @ingroup lwip_opts_debug * @{ */ /** * LWIP_PERF: Enable performance testing for lwIP * (if enabled, arch/perf.h is included) */ #if !defined LWIP_PERF || defined __DOXYGEN__ #define LWIP_PERF 0 #endif /** * @} */ #endif /* LWIP_HDR_OPT_H */