linux/include/linux/fsl/bestcomm/fec.h
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   1/*
   2 * Header for Bestcomm FEC tasks driver
   3 *
   4 *
   5 * Copyright (C) 2006-2007 Sylvain Munaut <tnt@246tNt.com>
   6 * Copyright (C) 2003-2004 MontaVista, Software, Inc.
   7 *                         ( by Dale Farnsworth <dfarnsworth@mvista.com> )
   8 *
   9 * This file is licensed under the terms of the GNU General Public License
  10 * version 2. This program is licensed "as is" without any warranty of any
  11 * kind, whether express or implied.
  12 */
  13
  14#ifndef __BESTCOMM_FEC_H__
  15#define __BESTCOMM_FEC_H__
  16
  17
  18struct bcom_fec_bd {
  19        u32     status;
  20        u32     skb_pa;
  21};
  22
  23#define BCOM_FEC_TX_BD_TFD      0x08000000ul    /* transmit frame done */
  24#define BCOM_FEC_TX_BD_TC       0x04000000ul    /* transmit CRC */
  25#define BCOM_FEC_TX_BD_ABC      0x02000000ul    /* append bad CRC */
  26
  27#define BCOM_FEC_RX_BD_L        0x08000000ul    /* buffer is last in frame */
  28#define BCOM_FEC_RX_BD_BC       0x00800000ul    /* DA is broadcast */
  29#define BCOM_FEC_RX_BD_MC       0x00400000ul    /* DA is multicast and not broadcast */
  30#define BCOM_FEC_RX_BD_LG       0x00200000ul    /* Rx frame length violation */
  31#define BCOM_FEC_RX_BD_NO       0x00100000ul    /* Rx non-octet aligned frame */
  32#define BCOM_FEC_RX_BD_CR       0x00040000ul    /* Rx CRC error */
  33#define BCOM_FEC_RX_BD_OV       0x00020000ul    /* overrun */
  34#define BCOM_FEC_RX_BD_TR       0x00010000ul    /* Rx frame truncated */
  35#define BCOM_FEC_RX_BD_LEN_MASK 0x000007fful    /* mask for length of received frame */
  36#define BCOM_FEC_RX_BD_ERRORS   (BCOM_FEC_RX_BD_LG | BCOM_FEC_RX_BD_NO | \
  37                BCOM_FEC_RX_BD_CR | BCOM_FEC_RX_BD_OV | BCOM_FEC_RX_BD_TR)
  38
  39
  40extern struct bcom_task *
  41bcom_fec_rx_init(int queue_len, phys_addr_t fifo, int maxbufsize);
  42
  43extern int
  44bcom_fec_rx_reset(struct bcom_task *tsk);
  45
  46extern void
  47bcom_fec_rx_release(struct bcom_task *tsk);
  48
  49
  50extern struct bcom_task *
  51bcom_fec_tx_init(int queue_len, phys_addr_t fifo);
  52
  53extern int
  54bcom_fec_tx_reset(struct bcom_task *tsk);
  55
  56extern void
  57bcom_fec_tx_release(struct bcom_task *tsk);
  58
  59
  60#endif /* __BESTCOMM_FEC_H__ */
  61
  62