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fec.h

/*
 * Header for Bestcomm FEC tasks driver
 *
 *
 * Copyright (C) 2006-2007 Sylvain Munaut <tnt@246tNt.com>
 * Copyright (C) 2003-2004 MontaVista, Software, Inc.
 *                         ( by Dale Farnsworth <dfarnsworth@mvista.com> )
 *
 * This file is licensed under the terms of the GNU General Public License
 * version 2. This program is licensed "as is" without any warranty of any
 * kind, whether express or implied.
 */

#ifndef __BESTCOMM_FEC_H__
#define __BESTCOMM_FEC_H__


struct bcom_fec_bd {
      u32   status;
      u32   skb_pa;
};

#define BCOM_FEC_TX_BD_TFD    0x08000000ul      /* transmit frame done */
#define BCOM_FEC_TX_BD_TC     0x04000000ul      /* transmit CRC */
#define BCOM_FEC_TX_BD_ABC    0x02000000ul      /* append bad CRC */

#define BCOM_FEC_RX_BD_L      0x08000000ul      /* buffer is last in frame */
#define BCOM_FEC_RX_BD_BC     0x00800000ul      /* DA is broadcast */
#define BCOM_FEC_RX_BD_MC     0x00400000ul      /* DA is multicast and not broadcast */
#define BCOM_FEC_RX_BD_LG     0x00200000ul      /* Rx frame length violation */
#define BCOM_FEC_RX_BD_NO     0x00100000ul      /* Rx non-octet aligned frame */
#define BCOM_FEC_RX_BD_CR     0x00040000ul      /* Rx CRC error */
#define BCOM_FEC_RX_BD_OV     0x00020000ul      /* overrun */
#define BCOM_FEC_RX_BD_TR     0x00010000ul      /* Rx frame truncated */
#define BCOM_FEC_RX_BD_LEN_MASK     0x000007fful      /* mask for length of received frame */
#define BCOM_FEC_RX_BD_ERRORS (BCOM_FEC_RX_BD_LG | BCOM_FEC_RX_BD_NO | \
            BCOM_FEC_RX_BD_CR | BCOM_FEC_RX_BD_OV | BCOM_FEC_RX_BD_TR)


extern struct bcom_task *
bcom_fec_rx_init(int queue_len, phys_addr_t fifo, int maxbufsize);

extern int
bcom_fec_rx_reset(struct bcom_task *tsk);

extern void
bcom_fec_rx_release(struct bcom_task *tsk);


extern struct bcom_task *
bcom_fec_tx_init(int queue_len, phys_addr_t fifo);

extern int
bcom_fec_tx_reset(struct bcom_task *tsk);

extern void
bcom_fec_tx_release(struct bcom_task *tsk);


#endif /* __BESTCOMM_FEC_H__ */


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