fec.h

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/*
 * Header for Bestcomm FEC tasks driver
 *
 *
 * Copyright (C) 2006-2007 Sylvain Munaut <[email protected]>
 * Copyright (C) 2003-2004 MontaVista, Software, Inc.
 *                         ( by Dale Farnsworth <[email protected]> )
 *
 * 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__ */