forked from M-Labs/artiq
soc/runtime: add lwip (thanks Florent)
This commit is contained in:
parent
c1ece33e6d
commit
91cd79a8a3
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[submodule "soc/runtime/lwip"]
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path = soc/runtime/lwip
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url = git://git.savannah.nongnu.org/lwip.git
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include $(MSCDIR)/software/common.mak
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LWIPDIR=../lwip/src
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CFLAGS += $(CPPFLAGS) -I. \
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-I$(LWIPDIR)/include \
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-I$(LWIPDIR)/include/ipv4
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# COREFILES, CORE4FILES: The minimum set of files needed for lwIP.
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COREOBJS=$(LWIPDIR)/core/mem.o \
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$(LWIPDIR)/core/memp.o \
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$(LWIPDIR)/core/netif.o \
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$(LWIPDIR)/core/pbuf.o \
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$(LWIPDIR)/core/raw.o \
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$(LWIPDIR)/core/stats.o \
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$(LWIPDIR)/core/sys.o \
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$(LWIPDIR)/core/tcp.o \
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$(LWIPDIR)/core/tcp_in.o \
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$(LWIPDIR)/core/tcp_out.o \
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$(LWIPDIR)/core/udp.o \
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$(LWIPDIR)/core/dhcp.o \
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$(LWIPDIR)/core/inet_chksum.o \
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$(LWIPDIR)/core/timers.o \
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$(LWIPDIR)/core/init.o
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CORE4OBJS=$(LWIPDIR)/core/ipv4/icmp.o \
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$(LWIPDIR)/core/ipv4/ip4.o \
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$(LWIPDIR)/core/ipv4/ip4_addr.o \
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$(LWIPDIR)/core/ipv4/ip_frag.o
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# NETIFOBJS: Files implementing various generic network interface functions.
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NETIFOBJS=$(LWIPDIR)/netif/etharp.o \
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netif/liteethif.o
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# NETIFOBJS: All the above.
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LWIPOBJS=$(COREOBJS) $(CORE4OBJS) $(NETIFOBJS)
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OBJS_LIB+=$(LWIPOBJS)
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LWIPLIB=liblwip.a
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all: $(LWIPLIB)
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.PHONY: all compile clean
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%.o: %.c
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$(compile-dep)
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%.o: %.S
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$(assemble)
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clean:
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rm -f $(LWIPOBJS) $(LWIPOBJS:.o=.d) $(LWIPLIB)
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liblwip.a: $(LWIPOBJS)
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$(AR) clr liblwip.a $(LWIPOBJS)
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$(RANLIB) liblwip.a
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// This file is Copyright (c) 2015 Florent Kermarrec <florent@enjoy-digital.fr>
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// LiteETH lwIP port for ARTIQ
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// License: BSD
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#ifndef __ARCH_CC_H__
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#define __ARCH_CC_H__
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/* Include some files for defining library routines */
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#define BYTE_ORDER BIG_ENDIAN
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/* Define generic types */
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typedef unsigned char u8_t;
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typedef signed char s8_t;
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typedef unsigned short u16_t;
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typedef signed short s16_t;
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typedef unsigned long u32_t;
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typedef signed long s32_t;
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typedef u32_t mem_ptr_t;
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/* Define (sn)printf formatters for these types */
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#define U8_F "c"
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#define S8_F "c"
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#define X8_F "x"
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#define U16_F "u"
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#define S16_F "d"
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#define X16_F "x"
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#define U32_F "u"
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#define S32_F "d"
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#define X32_F "x"
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/* Compiler hints for packing structures */
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#define PACK_STRUCT_FIELD(x) x
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#define PACK_STRUCT_STRUCT __attribute__((packed))
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#define PACK_STRUCT_BEGIN
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#define PACK_STRUCT_END
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/* prototypes for printf() and abort() */
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#include <stdio.h>
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#include <stdlib.h>
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#include "console.h"
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#define pp_printf printf
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/* Definitions for ASSERT/DIAG */
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#ifdef LWIP_NOASSERT
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#define LWIP_PLATFORM_ASSERT(x)
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#else
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#define LWIP_PLATFORM_ASSERT(x) do {pp_printf("Assertion \"%s\" failed at line %d in %s\n", \
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x, __LINE__, __FILE__); } while(0)
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#endif
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#ifdef LWIP_DEBUG
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#define LWIP_PLATFORM_DIAG(x) do {pp_printf x;} while(0)
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#endif
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#endif /* __ARCH_CC_H__ */
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// This file is Copyright (c) 2015 Florent Kermarrec <florent@enjoy-digital.fr>
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// LiteETH lwIP port for ARTIQ
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// License: BSD
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#ifndef __ARCH_PERF_H__
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#define __ARCH_PERF_H__
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#define PERF_START /* null definition */
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#define PERF_STOP(x) /* null definition */
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#endif /* __ARCH_PERF_H__ */
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// This file is Copyright (c) 2015 Florent Kermarrec <florent@enjoy-digital.fr>
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// LiteETH lwIP port for ARTIQ
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// License: BSD
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#ifndef __ARCH_SYS_ARCH_H__
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#define __ARCH_SYS_ARCH_H__
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#define SYS_MBOX_NULL NULL
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#define SYS_SEM_NULL NULL
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typedef void * sys_prot_t;
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typedef void * sys_sem_t;
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typedef void * sys_mbox_t;
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typedef void * sys_thread_t;
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#endif /* __ARCH_SYS_ARCH_H__ */
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@ -0,0 +1,213 @@
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// This file is Copyright (c) 2015 Florent Kermarrec <florent@enjoy-digital.fr>
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// LiteETH lwIP port for ARTIQ
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// License: BSD
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#ifndef __LWIPOPTS_H__
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#define __LWIPOPTS_H__
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//#define LWIP_DEBUG
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#include <lwip/debug.h>
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/*----------------------------General options ------------------------------ */
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#define NO_SYS 1
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#define LWIP_NETCONN 0
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#define LWIP_SOCKET 0
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#define LWIP_IPV6 0
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/* ------------------------ Memory options -------------------------------- */
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/* MEM_ALIGNMENT: should be set to the alignment of the CPU for which
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lwIP is compiled. 4 byte alignment -> define MEM_ALIGNMENT to 4, 2
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byte alignment -> define MEM_ALIGNMENT to 2. */
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#define MEM_ALIGNMENT 4 /* MUST BE 4 */
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/* MEM_SIZE: the size of the heap memory. If the application will send
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a lot of data that needs to be copied, this should be set high. */
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#define MEM_SIZE 16000
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/* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application
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sends a lot of data out of ROM (or other static memory), this
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should be set high. */
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#define MEMP_NUM_PBUF 20
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/* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
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per active UDP "connection". */
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#define MEMP_NUM_UDP_PCB 4
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/* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP
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connections. */
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#define MEMP_NUM_TCP_PCB 10
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/* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP
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connections. */
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#define MEMP_NUM_TCP_PCB_LISTEN 8
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/* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP
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segments. */
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#define MEMP_NUM_TCP_SEG 8
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/* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active
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timeouts. */
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#define MEMP_NUM_SYS_TIMEOUT 3
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/* The following four are used only with the sequential API and can be
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set to 0 if the application only will use the raw API. */
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/* MEMP_NUM_NETBUF: the number of struct netbufs. */
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//#define MEMP_NUM_NETBUF 4
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/* MEMP_NUM_NETCONN: the number of struct netconns. */
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//#define MEMP_NUM_NETCONN 4
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/* These two control is reclaimer functions should be compiled
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in. Should always be turned on (1). */
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#define MEM_RECLAIM 1
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#define MEMP_RECLAIM 1
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/* ---------- Pbuf options ---------- */
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/* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */
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#define PBUF_POOL_SIZE 4
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/* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */
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#define PBUF_POOL_BUFSIZE 1024
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/* PBUF_LINK_HLEN: the number of bytes that should be allocated for a
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link level header. */
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#define PBUF_LINK_HLEN 16
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/* ------------------------ TCP options ----------------------------------- */
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#define LWIP_TCP 1
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#define TCP_TTL 255
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/* Controls if TCP should queue segments that arrive out of
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order. Define to 0 if your device is low on memory. */
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#define TCP_QUEUE_OOSEQ 1
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/* TCP Maximum segment size. */
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#define TCP_MSS 256
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/* TCP sender buffer space (bytes). */
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#define TCP_SND_BUF 512
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/* TCP sender buffer space (pbufs). This must be at least = 2 *
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TCP_SND_BUF/TCP_MSS for things to work. */
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#define TCP_SND_QUEUELEN 4 * TCP_SND_BUF/TCP_MSS
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/* TCP receive window. */
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#define TCP_WND 256
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/* Maximum number of retransmissions of data segments. */
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#define TCP_MAXRTX 12
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/* Maximum number of retransmissions of SYN segments. */
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#define TCP_SYNMAXRTX 4
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/* ------------------------ ARP options ----------------------------------- */
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#define LWIP_ARP 1
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#define ARP_TABLE_SIZE 10
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#define ARP_QUEUEING 1
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/* ------------------------ IP options ------------------------------------ */
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/* Define IP_FORWARD to 1 if you wish to have the ability to forward
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IP packets across network interfaces. If you are going to run lwIP
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on a device with only one network interface, define this to 0. */
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#define IP_FORWARD 0
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/* If defined to 1, IP options are allowed (but not parsed). If
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defined to 0, all packets with IP options are dropped. */
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#define IP_OPTIONS 0 /* set it to 1 to allow IP options in hdr */
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#define IP_REASSEMBLY 0 /* set it to 1 to enable tcp/ip reassembly */
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#define IP_FRAG 0 /* Outgoing fragmentation of IP packets occurs
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* when the packet-size exceeds the path maximum
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* packet-size (path MTU). To avoid fragmentation,
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* don't allow application OR lwIP to generate packets larger
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* than anticipated path maximum transmission unit.
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*
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* For TCP, setting TCP_MSS to much less than anticipated
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* path MTU avoids frag/defrag. For UDP it depends on app
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* and path MTU. For ping (ICMP), with large payload,
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* frag/reass is required. Some network stacks have
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* path MTU discovery capability but not sure if LwIP
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* supports it
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*/
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#define LWIP_RAW 1 /* set it to 1 to enable raw support */
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/* ------------------------ ICMP options ---------------------------------- */
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#define ICMP_TTL 255
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/* ------------------------ DHCP options ---------------------------------- */
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/* Define LWIP_DHCP to 1 if you want DHCP configuration of
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interfaces. DHCP is not implemented in lwIP 0.5.1, however, so
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turning this on does currently not work. */
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#define LWIP_DHCP 0
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/* 1 if you want to do an ARP check on the offered address
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(recommended). */
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//#define DHCP_DOES_ARP_CHECK 1
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/* ------------------------ UDP options ----------------------------------- */
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#define LWIP_UDP 1 /* set it to 1 to enable UDP */
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#define UDP_TTL 255 /* time to live for udp */
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#define CHECKSUM_GEN_UDP 0 /* don't generate UDP chksum, if UDP enabled*/
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#define CHECKSUM_CHECK_UDP 0 /* check chksum in rx UDP pkts if enabled */
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#define LWIP_STATS 0
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#define LWIP_COMPAT_SOCKETS 0
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/* Override the default dynamic memory alloc functions (malloc copy)*/
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//#include "memmgr.h"
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//#define mem_init()
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//#define mem_free memmgr_free
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//#define mem_malloc memmgr_alloc
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//#define mem_calloc(c, n) memmgr_alloc((c) * (n))
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//#define mem_realloc(p, sz) (p)
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#ifdef LWIP_DEBUG
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/*
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* for a list of options for the flags, please refer to
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* lwip/src/include/lwip/debug.h
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******************NOTE********************************
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*
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* TO TURN OFF A SPECIFIC DEBUG SOURCE, SET THE VALUE TO
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* DBG_OFF
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*
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* DO NOT MODIFY DBG_TYPES_ON OR DBG_MIN_LEVEL UNLESS YOU
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* ARE AWARE WHAT YOU'RE DOING!!
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*
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*/
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#define LWIP_DBG_TYPES_ON LWIP_DBG_ON
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#define DBG_TYPES_ON LWIP_DBG_TRACE
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#define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_ALL
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#define ETHARP_DEBUG LWIP_DBG_ON|LWIP_DBG_TRACE
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#define NETIF_DEBUG LWIP_DBG_ON|LWIP_DBG_TRACE
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#define PBUF_DEBUG LWIP_DBG_ON|LWIP_DBG_TRACE
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#define API_LIB_DEBUG LWIP_DBG_ON|LWIP_DBG_TRACE
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#define API_MSG_DEBUG LWIP_DBG_ON|LWIP_DBG_TRACE
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#define SOCKETS_DEBUG LWIP_DBG_ON|LWIP_DBG_TRACE
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#define ICMP_DEBUG LWIP_DBG_ON|LWIP_DBG_TRACE
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#define INET_DEBUG LWIP_DBG_ON|LWIP_DBG_TRACE
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#define IP_DEBUG LWIP_DBG_ON|LWIP_DBG_TRACE
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#define IP_REASS_DEBUG LWIP_DBG_ON|LWIP_DBG_TRACE
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#define RAW_DEBUG LWIP_DBG_ON|LWIP_DBG_TRACE
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#define MEM_DEBUG LWIP_DBG_ON|LWIP_DBG_TRACE
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#define MEMP_DEBUG LWIP_DBG_ON|LWIP_DBG_TRACE
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#define SYS_DEBUG LWIP_DBG_ON|LWIP_DBG_TRACE
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#define TCP_DEBUG LWIP_DBG_ON|LWIP_DBG_TRACE
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#define TCP_INPUT_DEBUG LWIP_DBG_ON|LWIP_DBG_TRACE
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#define TCP_FR_DEBUG LWIP_DBG_ON|LWIP_DBG_TRACE
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#define TCP_RTO_DEBUG LWIP_DBG_ON|LWIP_DBG_TRACE
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#define TCP_CWND_DEBUG LWIP_DBG_ON|LWIP_DBG_TRACE
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#define TCP_WND_DEBUG LWIP_DBG_ON|LWIP_DBG_TRACE
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#define TCP_OUTPUT_DEBUG LWIP_DBG_ON|LWIP_DBG_TRACE
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#define TCP_RST_DEBUG LWIP_DBG_ON|LWIP_DBG_TRACE
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#define TCP_QLEN_DEBUG LWIP_DBG_ON|LWIP_DBG_TRACE
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#define UDP_DEBUG LWIP_DBG_ON|LWIP_DBG_TRACE
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#define TCPIP_DEBUG LWIP_DBG_ON|LWIP_DBG_TRACE
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#define PPP_DEBUG LWIP_DBG_ON|LWIP_DBG_TRACE
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#define SLIP_DEBUG LWIP_DBG_ON|LWIP_DBG_TRACE
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#define DHCP_DEBUG LWIP_DBG_ON|LWIP_DBG_TRACE
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#define TIMERS_DEBUG LWIP_DBG_ON|LWIP_DBG_TRACE
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/* APPLICATION DEBUGGING */
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/* #define HTTPD_DEBUG (1) */
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#endif
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/* Perform DHCP */
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/*#define LWIP_DHCP (1)*/
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#endif /* __LWIPOPTS_H__ */
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// This file is Copyright (c) 2015 Florent Kermarrec <florent@enjoy-digital.fr>
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// LiteETH lwIP port for ARTIQ
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// License: BSD
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#include <lwip/opt.h>
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#include <lwip/mem.h>
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#include <netif/etharp.h>
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#include "netif/liteethif.h"
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#include <generated/csr.h>
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#include <hw/flags.h>
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#include <hw/ethmac_mem.h>
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typedef union {
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unsigned char raw[1514];
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} ethernet_buffer;
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static unsigned int rxslot;
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static unsigned int rxlen;
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static ethernet_buffer *rxbuffer;
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static ethernet_buffer *rxbuffer0;
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static ethernet_buffer *rxbuffer1;
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static unsigned int txslot;
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static unsigned int txlen;
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static ethernet_buffer *txbuffer;
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static ethernet_buffer *txbuffer0;
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static ethernet_buffer *txbuffer1;
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#define IFNAME0 'e'
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#define IFNAME1 't'
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static void liteeth_low_level_init(struct netif *netif)
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{
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int i;
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netif->hwaddr_len = 6;
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for(i=0;i<netif->hwaddr_len;i++)
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netif->hwaddr[i] = macadr[i];
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netif->mtu = 1514;
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netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP;
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ethmac_sram_reader_ev_pending_write(ETHMAC_EV_SRAM_READER);
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ethmac_sram_writer_ev_pending_write(ETHMAC_EV_SRAM_WRITER);
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rxbuffer0 = (ethernet_buffer *)ETHMAC_RX0_BASE;
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rxbuffer1 = (ethernet_buffer *)ETHMAC_RX1_BASE;
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txbuffer0 = (ethernet_buffer *)ETHMAC_TX0_BASE;
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txbuffer1 = (ethernet_buffer *)ETHMAC_TX1_BASE;
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rxslot = 0;
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txslot = 0;
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rxbuffer = rxbuffer0;
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txbuffer = txbuffer0;
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return;
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}
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static err_t liteeth_low_level_output(struct netif *netif, struct pbuf *p)
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{
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struct pbuf *q;
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txlen = 0;
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for(q = p; q != NULL; q = q->next) {
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memcpy(txbuffer->raw, q->payload, q->len);
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txbuffer += q->len;
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txlen += q->len;
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}
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ethmac_sram_reader_slot_write(txslot);
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ethmac_sram_reader_length_write(txlen);
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while(!(ethmac_sram_reader_ready_read()));
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ethmac_sram_reader_start_write(1);
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|
||||
txslot = (txslot+1)%2;
|
||||
if (txslot)
|
||||
txbuffer = txbuffer1;
|
||||
else
|
||||
txbuffer = txbuffer0;
|
||||
|
||||
return ERR_OK;
|
||||
}
|
||||
|
||||
static struct pbuf * liteeth_low_level_input(struct netif *netif)
|
||||
{
|
||||
struct pbuf *p, *q;
|
||||
|
||||
rxslot = ethmac_sram_writer_slot_read();
|
||||
rxlen = ethmac_sram_writer_length_read();
|
||||
if (rxslot)
|
||||
rxbuffer = rxbuffer1;
|
||||
else
|
||||
rxbuffer = rxbuffer0;
|
||||
|
||||
p = pbuf_alloc(PBUF_RAW, rxlen, PBUF_POOL);
|
||||
if (p != NULL) {
|
||||
for(q = p; q != NULL; q = q->next) {
|
||||
memcpy(q->payload, rxbuffer->raw, q->len);
|
||||
rxbuffer += q->len;
|
||||
}
|
||||
}
|
||||
|
||||
return p;
|
||||
}
|
||||
|
||||
void liteeth_input(struct netif *netif)
|
||||
{
|
||||
struct pbuf *p;
|
||||
p = liteeth_low_level_input(netif);
|
||||
if (p != NULL) {
|
||||
netif->input(p, netif);
|
||||
}
|
||||
}
|
||||
|
||||
err_t liteeth_init(struct netif *netif)
|
||||
{
|
||||
struct liteethif *liteethif;
|
||||
|
||||
liteethif = mem_malloc(sizeof(struct liteethif));
|
||||
if (liteethif == NULL)
|
||||
return ERR_MEM;
|
||||
netif->state = liteethif;
|
||||
|
||||
netif->hwaddr_len = 6;
|
||||
netif->name[0] = IFNAME0;
|
||||
netif->name[1] = IFNAME1;
|
||||
netif->output = etharp_output;
|
||||
netif->linkoutput = liteeth_low_level_output;
|
||||
netif->mtu = 1514;
|
||||
|
||||
liteethif->ethaddr = (struct eth_addr *)&(netif->hwaddr[0]);
|
||||
|
||||
liteeth_low_level_init(netif);
|
||||
|
||||
return ERR_OK;
|
||||
}
|
||||
|
|
@ -0,0 +1,17 @@
|
|||
// This file is Copyright (c) 2015 Florent Kermarrec <florent@enjoy-digital.fr>
|
||||
// LiteETH lwIP port for ARTIQ
|
||||
// License: BSD
|
||||
|
||||
#ifndef __LITEETHIF_H__
|
||||
#define __LITEETHIF_H__
|
||||
|
||||
extern unsigned char macadr[];
|
||||
|
||||
struct liteethif {
|
||||
struct eth_addr *ethaddr;
|
||||
};
|
||||
|
||||
void liteeth_input(struct netif *netif);
|
||||
err_t liteeth_init(struct netif *netif);
|
||||
|
||||
#endif /* __LITEETH_IF_H__ */
|
||||
|
|
@ -0,0 +1 @@
|
|||
Subproject commit caf9fc568715b82587ed9698658fdcd40c6c0a9d
|
||||
Loading…
Reference in New Issue