circuitpython/ports/stm32/lwip_inc/lwipopts.h

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#ifndef MICROPY_INCLUDED_STM32_LWIP_LWIPOPTS_H
#define MICROPY_INCLUDED_STM32_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
#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 rng_get(void);
#define LWIP_RAND() rng_get()
// default
// lwip takes 15800 bytes; TCP d/l: 380k/s local, 7.2k/s remote
// TCP u/l is very slow
#if 0
// lwip takes 19159 bytes; TCP d/l and u/l are around 320k/s on local network
#define MEM_SIZE (5000)
#define TCP_WND (4 * TCP_MSS)
#define TCP_SND_BUF (4 * TCP_MSS)
#endif
#if 1
// lwip takes 26700 bytes; TCP dl/ul are around 750/600 k/s on local network
#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)
#endif
#if 0
// lwip takes 45600 bytes; TCP dl/ul are around 1200/1000 k/s on local network
#define MEM_SIZE (16000)
#define TCP_MSS (1460)
#define TCP_WND (8 * TCP_MSS)
#define TCP_SND_BUF (8 * TCP_MSS)
#define MEMP_NUM_TCP_SEG (32)
#endif
typedef uint32_t sys_prot_t;
#endif // MICROPY_INCLUDED_STM32_LWIP_LWIPOPTS_H