examples/platform/bouffalolab/bl602/lwipopts/lwipopts.h - third_party/github/project-chip/connectedhomeip - Git at Google

 #ifndef __LWIPOPTS_H__
 #define __LWIPOPTS_H__

 #include "stdbool.h"

 /**
  * SYS_LIGHTWEIGHT_PROT==1: if you want inter-task protection for certain
  * critical regions during buffer allocation, deallocation and memory
  * allocation and deallocation.
  */
 #define SYS_LIGHTWEIGHT_PROT 1

 #define LWIP_NETIF_HOSTNAME 1
 #define ETHARP_TRUST_IP_MAC 0
 #define IP_REASSEMBLY 0
 #define IP_FRAG 0
 #define ARP_QUEUEING 0
 #define LWIP_NETIF_API 1

 #define LWIP_MDNS_RESPONDER 1
 #define LWIP_IGMP 1

 #define LWIP_NUM_NETIF_CLIENT_DATA 1

 #define LWIP_ALTCP 1
 #define LWIP_ALTCP_TLS 1
 /**
  * NO_SYS==1: Provides VERY minimal functionality. Otherwise,
  * use lwIP facilities.
  */
 #define NO_SYS 0

 #define LWIP_TIMEVAL_PRIVATE 0

 #define LWIP_HAVE_LOOPIF 1

 /**
  * 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!
  */
 #define LWIP_TCPIP_CORE_LOCKING_INPUT 1

 /* ---------- Memory options ---------- */
 /* MEM_ALIGNMENT: should be set to the alignment of the CPU for which
    lwIP is compiled. 4 byte alignment -> define MEM_ALIGNMENT to 4, 2
    byte alignment -> define MEM_ALIGNMENT to 2. */
 #define MEM_ALIGNMENT 4

 /* 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. */
 #define MEM_SIZE (12 * 1024)

 /* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application
    sends a lot of data out of ROM (or other static memory), this
    should be set high. */
 #define MEMP_NUM_PBUF 26

 /* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
    per active UDP "connection". */
 #define MEMP_NUM_UDP_PCB 8

 /* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP
    connections. */
 #define MEMP_NUM_TCP_PCB 10
 /* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP
    connections. */
 #define MEMP_NUM_TCP_PCB_LISTEN 5
 /* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP
    segments. */
 #define MEMP_NUM_TCP_SEG 32

 /* NUM of sys_timeout pool*/
 #define MEMP_NUM_SYS_TIMEOUT (LWIP_NUM_SYS_TIMEOUT_INTERNAL + 8 + 3)

 #define MEMP_NUM_NETCONN (MEMP_NUM_TCP_PCB + MEMP_NUM_UDP_PCB + MEMP_NUM_TCP_PCB_LISTEN)

 /* ---------- Pbuf options ---------- */
 /* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */
 #define PBUF_POOL_SIZE 20

 /* ---------- TCP options ---------- */
 #define LWIP_TCP 1
 #define IP_DEFAULT_TTL 64

 /* Controls if TCP should queue segments that arrive out of
    order. Define to 0 if your device is low on memory. */
 #define TCP_QUEUE_OOSEQ 1

 /* TCP Maximum segment size. */
 #define TCP_MSS (1500 - 40) /* TCP_MSS = (Ethernet MTU - IP header size - TCP header size) */

 /* TCP sender buffer space (bytes). */
 #define TCP_SND_BUF (3 * TCP_MSS)

 /*  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. */

 #define TCP_SND_QUEUELEN ((2 * (TCP_SND_BUF) + (TCP_MSS - 1)) / (TCP_MSS))

 #define MEMP_NUM_TCPIP_MSG_INPKT (32)

 /**
  * 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).
  */
 #define TCP_SNDQUEUELOWAT ((TCP_SND_QUEUELEN) / 2)

 /* TCP receive window. */
 #define TCP_WND (3 * TCP_MSS)

 /**
  * TCP_WND_UPDATE_THRESHOLD: difference in window to trigger an
  * explicit window update
  */
 #define TCP_WND_UPDATE_THRESHOLD LWIP_MIN((TCP_WND / 2), (TCP_MSS * 6))

 /**
  * By default, TCP socket/netconn close waits 20 seconds max to send the FIN
  */
 #define LWIP_TCP_CLOSE_TIMEOUT_MS_DEFAULT 5000

 /**
  * LWIP_SO_SNDTIMEO==1: Enable send timeout for sockets/netconns and
  * SO_SNDTIMEO processing.
  */
 #define LWIP_SO_SNDTIMEO 1
 /**
  * LWIP_SO_RCVTIMEO==1: Enable receive timeout for sockets/netconns and
  * SO_RCVTIMEO processing.
  */
 #define LWIP_SO_RCVTIMEO 1

 /* ---------- ICMP options ---------- */
 #define LWIP_ICMP 1

 /* ---------- DHCP options ---------- */
 /* Define LWIP_DHCP to 1 if you want DHCP configuration of
    interfaces. DHCP is not implemented in lwIP 0.5.1, however, so
    turning this on does currently not work. */
 #define LWIP_DHCP 1

 /* ---------- UDP options ---------- */
 #define LWIP_UDP 1

 /* ---------- Statistics options ---------- */
 #define LWIP_STATS 1
 #define LWIP_PROVIDE_ERRNO 1

 /*
    --------------------------------------
    ---------- Checksum options ----------
    --------------------------------------
 */

 #define LWIP_CHECKSUM_ON_COPY 1
 #define LWIP_NETIF_TX_SINGLE_PBUF 1

 #ifdef CHECKSUM_BY_HARDWARE
 /* CHECKSUM_GEN_IP==0: Generate checksums by hardware for outgoing IP packets.*/
 #define CHECKSUM_GEN_IP 0
 /* CHECKSUM_GEN_UDP==0: Generate checksums by hardware for outgoing UDP packets.*/
 #define CHECKSUM_GEN_UDP 0
 /* CHECKSUM_GEN_TCP==0: Generate checksums by hardware for outgoing TCP packets.*/
 #define CHECKSUM_GEN_TCP 0
 /* CHECKSUM_CHECK_IP==0: Check checksums by hardware for incoming IP packets.*/
 #define CHECKSUM_CHECK_IP 0
 /* CHECKSUM_CHECK_UDP==0: Check checksums by hardware for incoming UDP packets.*/
 #define CHECKSUM_CHECK_UDP 0
 /* CHECKSUM_CHECK_TCP==0: Check checksums by hardware for incoming TCP packets.*/
 #define CHECKSUM_CHECK_TCP 0
 /* CHECKSUM_CHECK_ICMP==0: Check checksums by hardware for incoming ICMP packets.*/
 #define CHECKSUM_GEN_ICMP 0
 #else
 /* CHECKSUM_GEN_IP==1: Generate checksums in software for outgoing IP packets.*/
 #define CHECKSUM_GEN_IP 1
 /* CHECKSUM_GEN_UDP==1: Generate checksums in software for outgoing UDP packets.*/
 #define CHECKSUM_GEN_UDP 1
 /* CHECKSUM_GEN_TCP==1: Generate checksums in software for outgoing TCP packets.*/
 #define CHECKSUM_GEN_TCP 1
 /* CHECKSUM_CHECK_IP==1: Check checksums in software for incoming IP packets.*/
 #define CHECKSUM_CHECK_IP 1
 /* CHECKSUM_CHECK_UDP==1: Check checksums in software for incoming UDP packets.*/
 #define CHECKSUM_CHECK_UDP 1
 /* CHECKSUM_CHECK_TCP==1: Check checksums in software for incoming TCP packets.*/
 #define CHECKSUM_CHECK_TCP 1
 /* CHECKSUM_CHECK_ICMP==1: Check checksums by hardware for incoming ICMP packets.*/
 #define CHECKSUM_GEN_ICMP 1
 #endif

 /*
    ----------------------------------------------
    ---------- Sequential layer options ----------
    ----------------------------------------------
 */
 #define LWIP_CHKSUM_ALGORITHM 3

 /**
  * LWIP_NETCONN==1: Enable Netconn API (require to use api_lib.c)
  */
 #define LWIP_NETCONN 1

 /*
    ------------------------------------
    ---------- Socket options ----------
    ------------------------------------
 */
 /**
  * LWIP_SOCKET==1: Enable Socket API (require to use sockets.c)
  */
 #define LWIP_SOCKET 1

 /*
    -----------------------------------
    ---------- DEBUG options ----------
    -----------------------------------
 */

 // #define LWIP_DEBUG                      0

 /*
    ---------------------------------
    ---------- OS options ----------
    ---------------------------------
 */

 #define TCPIP_THREAD_NAME "TCP/IP"
 #define TCPIP_THREAD_STACKSIZE 1536
 #define TCPIP_MBOX_SIZE 50
 #define DEFAULT_UDP_RECVMBOX_SIZE 50
 #define DEFAULT_TCP_RECVMBOX_SIZE 50
 #define DEFAULT_ACCEPTMBOX_SIZE 50
 #define DEFAULT_THREAD_STACKSIZE 500
 #define TCPIP_THREAD_PRIO (configMAX_PRIORITIES - 2)

 #define LWIP_COMPAT_MUTEX 0
 #define LWIP_TCPIP_CORE_LOCKING 1
 #define LWIP_NETCONN_SEM_PER_THREAD 0
 #define LWIP_SOCKET_SET_ERRNO 1
 #define SO_REUSE 1
 #define LWIP_TCP_KEEPALIVE 1

 /*Enable Status callback and link callback*/
 #define LWIP_NETIF_STATUS_CALLBACK 1
 #define LWIP_NETIF_LINK_CALLBACK 1

 /*Enable dns*/
 #define LWIP_DNS_SERVER 0
 #define LWIP_DNS 1
 #define LWIP_DNS_SECURE 0

 #define MEMP_MEM_MALLOC 0
 #define LWIP_SUPPORT_CUSTOM_PBUF 1

 #define PBUF_LINK_ENCAPSULATION_HLEN 48u

 #define LWIP_RAW 1

 #define LWIP_IPV4 1
 #define LWIP_IPV6_DHCP6 1
 #define LWIP_AUTOIP 1
 #define LWIP_IPV6_MLD 1
 #define LWIP_ND6_RDNSS_MAX_DNS_SERVERS 1
 #define LWIP_HOOK_FILENAME "bl_lwip_hooks.h"

 #define LWIP_NETIF_EXT_STATUS_CALLBACK 1

 /* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */
 #define PBUF_POOL_BUFSIZE LWIP_MEM_ALIGN_SIZE(TCP_MSS + 40 + PBUF_LINK_ENCAPSULATION_HLEN + PBUF_LINK_HLEN)

 #define LWIP_PBUF_FROM_CUSTOM_POOLS (0)

 /*
    ---------------------------------
    ---------- MISC. options ----------
    ---------------------------------
 */

 #if defined(__cplusplus)
 extern "C" int bl_rand(void);
 extern "C" int * __errno(void);
 #else
 extern int bl_rand(void);
 extern int * __errno(void);
 #endif

 #define errno (*__errno())

 /**
  * LWIP_RANDOMIZE_INITIAL_LOCAL_PORTS==1: randomize the local port for the first
  * local TCP/UDP pcb (default==0). This can prevent creating predictable port
  * numbers after booting a device.
  */

 #define LWIP_RANDOMIZE_INITIAL_LOCAL_PORTS 1
 #define LWIP_RAND() ((u32_t) bl_rand())

 #endif /* __LWIPOPTS_H__ */
	#ifndef __LWIPOPTS_H__
	#define __LWIPOPTS_H__

	#include "stdbool.h"

	/**
	* SYS_LIGHTWEIGHT_PROT==1: if you want inter-task protection for certain
	* critical regions during buffer allocation, deallocation and memory
	* allocation and deallocation.
	*/
	#define SYS_LIGHTWEIGHT_PROT 1

	#define LWIP_NETIF_HOSTNAME 1
	#define ETHARP_TRUST_IP_MAC 0
	#define IP_REASSEMBLY 0
	#define IP_FRAG 0
	#define ARP_QUEUEING 0
	#define LWIP_NETIF_API 1

	#define LWIP_MDNS_RESPONDER 1
	#define LWIP_IGMP 1

	#define LWIP_NUM_NETIF_CLIENT_DATA 1

	#define LWIP_ALTCP 1
	#define LWIP_ALTCP_TLS 1
	/**
	* NO_SYS==1: Provides VERY minimal functionality. Otherwise,
	* use lwIP facilities.
	*/
	#define NO_SYS 0

	#define LWIP_TIMEVAL_PRIVATE 0

	#define LWIP_HAVE_LOOPIF 1

	/**
	* 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!
	*/
	#define LWIP_TCPIP_CORE_LOCKING_INPUT 1

	/* ---------- Memory options ---------- */
	/* MEM_ALIGNMENT: should be set to the alignment of the CPU for which
	lwIP is compiled. 4 byte alignment -> define MEM_ALIGNMENT to 4, 2
	byte alignment -> define MEM_ALIGNMENT to 2. */
	#define MEM_ALIGNMENT 4

	/* 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. */
	#define MEM_SIZE (12 * 1024)

	/* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application
	sends a lot of data out of ROM (or other static memory), this
	should be set high. */
	#define MEMP_NUM_PBUF 26

	/* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
	per active UDP "connection". */
	#define MEMP_NUM_UDP_PCB 8

	/* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP
	connections. */
	#define MEMP_NUM_TCP_PCB 10
	/* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP
	connections. */
	#define MEMP_NUM_TCP_PCB_LISTEN 5
	/* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP
	segments. */
	#define MEMP_NUM_TCP_SEG 32

	/* NUM of sys_timeout pool*/
	#define MEMP_NUM_SYS_TIMEOUT (LWIP_NUM_SYS_TIMEOUT_INTERNAL + 8 + 3)

	#define MEMP_NUM_NETCONN (MEMP_NUM_TCP_PCB + MEMP_NUM_UDP_PCB + MEMP_NUM_TCP_PCB_LISTEN)

	/* ---------- Pbuf options ---------- */
	/* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */
	#define PBUF_POOL_SIZE 20

	/* ---------- TCP options ---------- */
	#define LWIP_TCP 1
	#define IP_DEFAULT_TTL 64

	/* Controls if TCP should queue segments that arrive out of
	order. Define to 0 if your device is low on memory. */
	#define TCP_QUEUE_OOSEQ 1

	/* TCP Maximum segment size. */
	#define TCP_MSS (1500 - 40) /* TCP_MSS = (Ethernet MTU - IP header size - TCP header size) */

	/* TCP sender buffer space (bytes). */
	#define TCP_SND_BUF (3 * TCP_MSS)

	/* 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. */

	#define TCP_SND_QUEUELEN ((2 * (TCP_SND_BUF) + (TCP_MSS - 1)) / (TCP_MSS))

	#define MEMP_NUM_TCPIP_MSG_INPKT (32)

	/**
	* 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).
	*/
	#define TCP_SNDQUEUELOWAT ((TCP_SND_QUEUELEN) / 2)

	/* TCP receive window. */
	#define TCP_WND (3 * TCP_MSS)

	/**
	* TCP_WND_UPDATE_THRESHOLD: difference in window to trigger an
	* explicit window update
	*/
	#define TCP_WND_UPDATE_THRESHOLD LWIP_MIN((TCP_WND / 2), (TCP_MSS * 6))

	/**
	* By default, TCP socket/netconn close waits 20 seconds max to send the FIN
	*/
	#define LWIP_TCP_CLOSE_TIMEOUT_MS_DEFAULT 5000

	/**
	* LWIP_SO_SNDTIMEO==1: Enable send timeout for sockets/netconns and
	* SO_SNDTIMEO processing.
	*/
	#define LWIP_SO_SNDTIMEO 1
	/**
	* LWIP_SO_RCVTIMEO==1: Enable receive timeout for sockets/netconns and
	* SO_RCVTIMEO processing.
	*/
	#define LWIP_SO_RCVTIMEO 1

	/* ---------- ICMP options ---------- */
	#define LWIP_ICMP 1

	/* ---------- DHCP options ---------- */
	/* Define LWIP_DHCP to 1 if you want DHCP configuration of
	interfaces. DHCP is not implemented in lwIP 0.5.1, however, so
	turning this on does currently not work. */
	#define LWIP_DHCP 1

	/* ---------- UDP options ---------- */
	#define LWIP_UDP 1

	/* ---------- Statistics options ---------- */
	#define LWIP_STATS 1
	#define LWIP_PROVIDE_ERRNO 1

	/*
	--------------------------------------
	---------- Checksum options ----------
	--------------------------------------
	*/

	#define LWIP_CHECKSUM_ON_COPY 1
	#define LWIP_NETIF_TX_SINGLE_PBUF 1

	#ifdef CHECKSUM_BY_HARDWARE
	/* CHECKSUM_GEN_IP==0: Generate checksums by hardware for outgoing IP packets.*/
	#define CHECKSUM_GEN_IP 0
	/* CHECKSUM_GEN_UDP==0: Generate checksums by hardware for outgoing UDP packets.*/
	#define CHECKSUM_GEN_UDP 0
	/* CHECKSUM_GEN_TCP==0: Generate checksums by hardware for outgoing TCP packets.*/
	#define CHECKSUM_GEN_TCP 0
	/* CHECKSUM_CHECK_IP==0: Check checksums by hardware for incoming IP packets.*/
	#define CHECKSUM_CHECK_IP 0
	/* CHECKSUM_CHECK_UDP==0: Check checksums by hardware for incoming UDP packets.*/
	#define CHECKSUM_CHECK_UDP 0
	/* CHECKSUM_CHECK_TCP==0: Check checksums by hardware for incoming TCP packets.*/
	#define CHECKSUM_CHECK_TCP 0
	/* CHECKSUM_CHECK_ICMP==0: Check checksums by hardware for incoming ICMP packets.*/
	#define CHECKSUM_GEN_ICMP 0
	#else
	/* CHECKSUM_GEN_IP==1: Generate checksums in software for outgoing IP packets.*/
	#define CHECKSUM_GEN_IP 1
	/* CHECKSUM_GEN_UDP==1: Generate checksums in software for outgoing UDP packets.*/
	#define CHECKSUM_GEN_UDP 1
	/* CHECKSUM_GEN_TCP==1: Generate checksums in software for outgoing TCP packets.*/
	#define CHECKSUM_GEN_TCP 1
	/* CHECKSUM_CHECK_IP==1: Check checksums in software for incoming IP packets.*/
	#define CHECKSUM_CHECK_IP 1
	/* CHECKSUM_CHECK_UDP==1: Check checksums in software for incoming UDP packets.*/
	#define CHECKSUM_CHECK_UDP 1
	/* CHECKSUM_CHECK_TCP==1: Check checksums in software for incoming TCP packets.*/
	#define CHECKSUM_CHECK_TCP 1
	/* CHECKSUM_CHECK_ICMP==1: Check checksums by hardware for incoming ICMP packets.*/
	#define CHECKSUM_GEN_ICMP 1
	#endif

	/*
	----------------------------------------------
	---------- Sequential layer options ----------
	----------------------------------------------
	*/
	#define LWIP_CHKSUM_ALGORITHM 3

	/**
	* LWIP_NETCONN==1: Enable Netconn API (require to use api_lib.c)
	*/
	#define LWIP_NETCONN 1

	/*
	------------------------------------
	---------- Socket options ----------
	------------------------------------
	*/
	/**
	* LWIP_SOCKET==1: Enable Socket API (require to use sockets.c)
	*/
	#define LWIP_SOCKET 1

	/*
	-----------------------------------
	---------- DEBUG options ----------
	-----------------------------------
	*/

	// #define LWIP_DEBUG 0

	/*
	---------------------------------
	---------- OS options ----------
	---------------------------------
	*/

	#define TCPIP_THREAD_NAME "TCP/IP"
	#define TCPIP_THREAD_STACKSIZE 1536
	#define TCPIP_MBOX_SIZE 50
	#define DEFAULT_UDP_RECVMBOX_SIZE 50
	#define DEFAULT_TCP_RECVMBOX_SIZE 50
	#define DEFAULT_ACCEPTMBOX_SIZE 50
	#define DEFAULT_THREAD_STACKSIZE 500
	#define TCPIP_THREAD_PRIO (configMAX_PRIORITIES - 2)

	#define LWIP_COMPAT_MUTEX 0
	#define LWIP_TCPIP_CORE_LOCKING 1
	#define LWIP_NETCONN_SEM_PER_THREAD 0
	#define LWIP_SOCKET_SET_ERRNO 1
	#define SO_REUSE 1
	#define LWIP_TCP_KEEPALIVE 1

	/Enable Status callback and link callback/
	#define LWIP_NETIF_STATUS_CALLBACK 1
	#define LWIP_NETIF_LINK_CALLBACK 1

	/Enable dns/
	#define LWIP_DNS_SERVER 0
	#define LWIP_DNS 1
	#define LWIP_DNS_SECURE 0

	#define MEMP_MEM_MALLOC 0
	#define LWIP_SUPPORT_CUSTOM_PBUF 1

	#define PBUF_LINK_ENCAPSULATION_HLEN 48u

	#define LWIP_RAW 1

	#define LWIP_IPV4 1
	#define LWIP_IPV6_DHCP6 1
	#define LWIP_AUTOIP 1
	#define LWIP_IPV6_MLD 1
	#define LWIP_ND6_RDNSS_MAX_DNS_SERVERS 1
	#define LWIP_HOOK_FILENAME "bl_lwip_hooks.h"

	#define LWIP_NETIF_EXT_STATUS_CALLBACK 1

	/* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */
	#define PBUF_POOL_BUFSIZE LWIP_MEM_ALIGN_SIZE(TCP_MSS + 40 + PBUF_LINK_ENCAPSULATION_HLEN + PBUF_LINK_HLEN)

	#define LWIP_PBUF_FROM_CUSTOM_POOLS (0)

	/*
	---------------------------------
	---------- MISC. options ----------
	---------------------------------
	*/

	#if defined(__cplusplus)
	extern "C" int bl_rand(void);
	extern "C" int * __errno(void);
	#else
	extern int bl_rand(void);
	extern int * __errno(void);
	#endif

	#define errno (*__errno())

	/**
	* LWIP_RANDOMIZE_INITIAL_LOCAL_PORTS==1: randomize the local port for the first
	* local TCP/UDP pcb (default==0). This can prevent creating predictable port
	* numbers after booting a device.
	*/

	#define LWIP_RANDOMIZE_INITIAL_LOCAL_PORTS 1
	#define LWIP_RAND() ((u32_t) bl_rand())

	#endif /* __LWIPOPTS_H__ */