Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

/*

 * 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__ */