mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
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4f531230a3
openwrt. this gives us the ability to better support different hardware models, without changing any external tar-balls. only et.o and wl.o is missing and is fetched from my webserver. git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@379 3c298f89-4303-0410-b956-a3cf2f4a3e73
44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
/*
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* Hardware-specific Receive Data Header for the
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* Broadcom Home Networking Division
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* BCM44XX and BCM47XX 10/100 Mbps Ethernet cores.
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*
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* Copyright 2004, Broadcom Corporation
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* All Rights Reserved.
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*
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* THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
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* KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
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* SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
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* $Id$
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*/
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#ifndef _bcmenetrxh_h_
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#define _bcmenetrxh_h_
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/*
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* The Ethernet MAC core returns an 8-byte Receive Frame Data Header
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* with every frame consisting of
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* 16bits of frame length, followed by
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* 16bits of EMAC rx descriptor info, followed by 32bits of undefined.
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*/
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typedef volatile struct {
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uint16 len;
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uint16 flags;
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uint16 pad[12];
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} bcmenetrxh_t;
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#define RXHDR_LEN 28
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#define RXF_L ((uint16)1 << 11) /* last buffer in a frame */
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#define RXF_MISS ((uint16)1 << 7) /* received due to promisc mode */
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#define RXF_BRDCAST ((uint16)1 << 6) /* dest is broadcast address */
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#define RXF_MULT ((uint16)1 << 5) /* dest is multicast address */
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#define RXF_LG ((uint16)1 << 4) /* frame length > rxmaxlength */
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#define RXF_NO ((uint16)1 << 3) /* odd number of nibbles */
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#define RXF_RXER ((uint16)1 << 2) /* receive symbol error */
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#define RXF_CRC ((uint16)1 << 1) /* crc error */
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#define RXF_OV ((uint16)1 << 0) /* fifo overflow */
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#endif /* _bcmenetrxh_h_ */
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