text: /*
   * Hardware-specific Receive Data Header for the
   * Broadcom Home Networking Division
   * BCM44XX and BCM47XX 10/100 Mbps Ethernet cores.
   *
   * Copyright (C) 2009, 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   * This is UNPUBLISHED PROPRIETARY SOURCE CODE of Broadcom Corporation;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.
   * $Id: bcmenetrxh.h,v 13.5 2005/06/21 18:01:46 Exp $
   */
  
  #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	/* Header length */
  
  #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_ */
  