bcmenetrxh.h
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上传日期:2022-06-26
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文件大小:2k
源码类别:
VxWorks
开发平台:
C/C++
- /*
- EXTERNAL SOURCE RELEASE on 12/03/2001 3.0 - Subject to change without notice.
- */
- /*
- Copyright 2001, Broadcom Corporation
- All Rights Reserved.
- This is UNPUBLISHED PROPRIETARY SOURCE CODE of Broadcom Corporation;
- the contents of this file may not be disclosed to third parties, copied or
- duplicated in any form, in whole or in part, without the prior written
- permission of Broadcom Corporation.
- */
- /*
- * Hardware-specific Receive Data Header for the
- * Broadcom Home Networking Division
- * BCM44XX and BCM47XX 10/100 Mbps Ethernet cores.
- *
- * Copyright(c) 2001 Broadcom Corporation
- * $Id: bcmenetrxh.h,v 1.1 Broadcom SDK $
- */
- #ifndef _bcmenetrxh_h_
- #define _bcmenetrxh_h_
- /*
- * The Ethernet MAC core returns an 8-byte Receive Frame Data Header
- * with every frame consisting of
- * 16bits of frame length, followed by
- * 16bits of EMAC rx descriptor info, followed by 32bits of undefined.
- */
- typedef volatile struct {
- uint16 len;
- uint16 flags;
- uint16 pad[12];
- } bcmenetrxh_t;
- #define RXHDR_LEN 28
- #define RXF_L ((uint16)1 << 11) /* last buffer in a frame */
- #define RXF_MISS ((uint16)1 << 7) /* received due to promisc mode */
- #define RXF_BRDCAST ((uint16)1 << 6) /* dest is broadcast address */
- #define RXF_MULT ((uint16)1 << 5) /* dest is multicast address */
- #define RXF_LG ((uint16)1 << 4) /* frame length > rxmaxlength */
- #define RXF_NO ((uint16)1 << 3) /* odd number of nibbles */
- #define RXF_RXER ((uint16)1 << 2) /* receive symbol error */
- #define RXF_CRC ((uint16)1 << 1) /* crc error */
- #define RXF_OV ((uint16)1 << 0) /* fifo overflow */
- #endif /* _bcmenetrxh_h_ */