![Sylvain Munaut](/assets/img/avatar_default.png)
This is the microcode for the FEC task and the associated support code. The microcode itself comes directly from the offical API (v2.2) Signed-off-by: Sylvain Munaut <tnt@246tNt.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
62 lines
1.9 KiB
C
62 lines
1.9 KiB
C
/*
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* Header for Bestcomm FEC tasks driver
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*
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*
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* Copyright (C) 2006-2007 Sylvain Munaut <tnt@246tNt.com>
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* Copyright (C) 2003-2004 MontaVista, Software, Inc.
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* ( by Dale Farnsworth <dfarnsworth@mvista.com> )
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*
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* This file is licensed under the terms of the GNU General Public License
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* version 2. This program is licensed "as is" without any warranty of any
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* kind, whether express or implied.
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*/
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#ifndef __BESTCOMM_FEC_H__
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#define __BESTCOMM_FEC_H__
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struct bcom_fec_bd {
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u32 status;
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u32 skb_pa;
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};
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#define BCOM_FEC_TX_BD_TFD 0x08000000ul /* transmit frame done */
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#define BCOM_FEC_TX_BD_TC 0x04000000ul /* transmit CRC */
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#define BCOM_FEC_TX_BD_ABC 0x02000000ul /* append bad CRC */
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#define BCOM_FEC_RX_BD_L 0x08000000ul /* buffer is last in frame */
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#define BCOM_FEC_RX_BD_BC 0x00800000ul /* DA is broadcast */
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#define BCOM_FEC_RX_BD_MC 0x00400000ul /* DA is multicast and not broadcast */
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#define BCOM_FEC_RX_BD_LG 0x00200000ul /* Rx frame length violation */
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#define BCOM_FEC_RX_BD_NO 0x00100000ul /* Rx non-octet aligned frame */
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#define BCOM_FEC_RX_BD_CR 0x00040000ul /* Rx CRC error */
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#define BCOM_FEC_RX_BD_OV 0x00020000ul /* overrun */
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#define BCOM_FEC_RX_BD_TR 0x00010000ul /* Rx frame truncated */
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#define BCOM_FEC_RX_BD_LEN_MASK 0x000007fful /* mask for length of received frame */
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#define BCOM_FEC_RX_BD_ERRORS (BCOM_FEC_RX_BD_LG | BCOM_FEC_RX_BD_NO | \
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BCOM_FEC_RX_BD_CR | BCOM_FEC_RX_BD_OV | BCOM_FEC_RX_BD_TR)
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extern struct bcom_task *
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bcom_fec_rx_init(int queue_len, phys_addr_t fifo, int maxbufsize);
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extern int
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bcom_fec_rx_reset(struct bcom_task *tsk);
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extern void
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bcom_fec_rx_release(struct bcom_task *tsk);
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extern struct bcom_task *
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bcom_fec_tx_init(int queue_len, phys_addr_t fifo);
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extern int
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bcom_fec_tx_reset(struct bcom_task *tsk);
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extern void
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bcom_fec_tx_release(struct bcom_task *tsk);
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#endif /* __BESTCOMM_FEC_H__ */
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