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/*
* Hardware-specific Receive Data Header for the
* Broadcom Home Networking Division
* BCM44XX and BCM47XX 10/100 Mbps Ethernet cores.
*
* Copyright 2004, Broadcom Corporation
* All Rights Reserved.
*
* THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
* KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
* SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
* $Id$
*/
#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_ */
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