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cda964198a
This patch allows to use lwIP as the implementation of the usocket module, instead of the existing socket-multiplexer that delegates the entire TCP/IP layer to the NIC itself. This is disabled by default, and enabled by defining MICROPY_PY_LWIP to 1. When enabled, the lwIP TCP/IP stack will be included in the build with default settings for memory usage and performance (see lwip_inc/lwipopts.h). It is then up to a particular NIC to register itself with lwIP using the standard lwIP netif API.
62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
#ifndef MICROPY_INCLUDED_STM32_LWIP_LWIPOPTS_H
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#define MICROPY_INCLUDED_STM32_LWIP_LWIPOPTS_H
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#include <stdint.h>
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#define NO_SYS 1
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#define SYS_LIGHTWEIGHT_PROT 1
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#define MEM_ALIGNMENT 4
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#define LWIP_CHKSUM_ALGORITHM 3
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#define LWIP_ARP 1
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#define LWIP_ETHERNET 1
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#define LWIP_NETCONN 0
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#define LWIP_SOCKET 0
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#define LWIP_STATS 0
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#define LWIP_NETIF_HOSTNAME 1
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#define LWIP_IPV6 0
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#define LWIP_DHCP 1
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#define LWIP_DHCP_CHECK_LINK_UP 1
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#define LWIP_DNS 1
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#define LWIP_IGMP 1
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#define SO_REUSE 1
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extern uint32_t rng_get(void);
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#define LWIP_RAND() rng_get()
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// default
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// lwip takes 15800 bytes; TCP d/l: 380k/s local, 7.2k/s remote
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// TCP u/l is very slow
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#if 0
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// lwip takes 19159 bytes; TCP d/l and u/l are around 320k/s on local network
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#define MEM_SIZE (5000)
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#define TCP_WND (4 * TCP_MSS)
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#define TCP_SND_BUF (4 * TCP_MSS)
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#endif
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#if 1
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// lwip takes 26700 bytes; TCP dl/ul are around 750/600 k/s on local network
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#define MEM_SIZE (8000)
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#define TCP_MSS (800)
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#define TCP_WND (8 * TCP_MSS)
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#define TCP_SND_BUF (8 * TCP_MSS)
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#define MEMP_NUM_TCP_SEG (32)
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#endif
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#if 0
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// lwip takes 45600 bytes; TCP dl/ul are around 1200/1000 k/s on local network
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#define MEM_SIZE (16000)
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#define TCP_MSS (1460)
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#define TCP_WND (8 * TCP_MSS)
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#define TCP_SND_BUF (8 * TCP_MSS)
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#define MEMP_NUM_TCP_SEG (32)
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#endif
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typedef uint32_t sys_prot_t;
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#endif // MICROPY_INCLUDED_STM32_LWIP_LWIPOPTS_H
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