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81 lines
3.4 KiB
C
81 lines
3.4 KiB
C
/*
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* Copyright (c) 2001-2003 Leon Woestenberg <leon.woestenberg@axon.tv>
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* Copyright (c) 2001-2003 Axon Digital Design B.V., The Netherlands.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Leon Woestenberg <leon.woestenberg@axon.tv>
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*
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* This is a device driver for the Crystal Semiconductor CS8900
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* chip in combination with the lwIP stack.
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*
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* This is work under development. Please coordinate changes
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* and requests with Leon Woestenberg <leon.woestenberg@axon.tv>
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*
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* The Swedish Institute of Computer Science and Adam Dunkels
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* are specifically granted permission to redistribute this
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* source code under any conditions they seem fit.
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*
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*/
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#ifndef __NETIF_CS8900IF_H__
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#define __NETIF_CS8900IF_H__
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#include "lwip/netif.h"
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/* interface statistics gathering
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* such as collisions, dropped packets, missed packets
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* 0 = no statistics, minimal memory requirements, no overhead
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* 1 = statistics on, but some have large granularity (0x200), very low overhead
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* 2 = statistics on, updated on every call to cs8900_service(), low overhead
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*/
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#define CS8900_STATS 2
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struct cs8900if
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{
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//struct eth_addr *ethaddr;
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volatile u8_t needs_service;
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u8_t use_polling;
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#if (CS8900_STATS > 0)
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u32_t interrupts; // #interrupt requests of cs8900
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u32_t missed; // #packets on medium that could not enter cs8900a chip due to buffer shortage
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u32_t dropped; // #packets dropped after they have been received in chip buffer
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u32_t collisions; // #collisions on medium when transmitting packets
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u32_t sentpackets; // #number of sent packets
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u32_t sentbytes; // #number of sent bytes
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#endif
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/* Add whatever per-interface state that is needed here. */
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};
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void cs8900if_reset(struct netif *netif);
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err_t cs8900if_init(struct netif *);
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void cs8900if_service(struct netif *);
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void cs8900if_input(struct netif *netif);
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err_t cs8900if_output(struct netif *netif, struct pbuf *p, struct ip_addr *ipaddr);
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void cs8900_send_debug(unsigned char *p, unsigned int len);
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#endif /* __NETIF_CS8900IF_H__ */
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