circuitpython/ports/mimxrt/lwip_inc/lwipopts.h

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#ifndef MICROPY_INCLUDED_MIMXRT_LWIP_LWIPOPTS_H
#define MICROPY_INCLUDED_MIMXRT_LWIP_LWIPOPTS_H
#include <stdint.h>
// This protection is not needed, instead we execute all lwIP code at PendSV priority
#define SYS_ARCH_DECL_PROTECT(lev) do { } while (0)
#define SYS_ARCH_PROTECT(lev) do { } while (0)
#define SYS_ARCH_UNPROTECT(lev) do { } while (0)
#define NO_SYS 1
#define SYS_LIGHTWEIGHT_PROT 1
#define MEM_ALIGNMENT 4
#define LWIP_CHKSUM_ALGORITHM 3
// The checksum flags are set in eth.c
#define LWIP_CHECKSUM_CTRL_PER_NETIF 1
#define LWIP_ARP 1
#define LWIP_ETHERNET 1
#define LWIP_RAW 1
#define LWIP_NETCONN 0
#define LWIP_SOCKET 0
#define LWIP_STATS 0
#define LWIP_NETIF_HOSTNAME 1
#define LWIP_NETIF_EXT_STATUS_CALLBACK 1
#define LWIP_IPV6 0
#define LWIP_DHCP 1
#define LWIP_DHCP_CHECK_LINK_UP 1
#define DHCP_DOES_ARP_CHECK 0 // to speed DHCP up
#define LWIP_DNS 1
#define LWIP_DNS_SUPPORT_MDNS_QUERIES 1
#define LWIP_MDNS_RESPONDER 1
#define LWIP_IGMP 1
#define LWIP_NUM_NETIF_CLIENT_DATA LWIP_MDNS_RESPONDER
#define MEMP_NUM_UDP_PCB (4 + LWIP_MDNS_RESPONDER)
#define MEMP_NUM_SYS_TIMEOUT (LWIP_NUM_SYS_TIMEOUT_INTERNAL + LWIP_MDNS_RESPONDER)
#define SO_REUSE 1
#define TCP_LISTEN_BACKLOG 1
extern uint32_t trng_random_u32(void);
#define LWIP_RAND() trng_random_u32()
// lwip takes 26700 bytes
#define MEM_SIZE (8000)
#define TCP_MSS (800)
#define TCP_WND (8 * TCP_MSS)
#define TCP_SND_BUF (8 * TCP_MSS)
#define MEMP_NUM_TCP_SEG (32)
typedef uint32_t sys_prot_t;
#endif // MICROPY_INCLUDED_MIMXRT_LWIP_LWIPOPTS_H