/* SPDX-License-Identifier: GPL-2.0 */
|
#ifndef BCM63XX_IUDMA_H_
|
#define BCM63XX_IUDMA_H_
|
|
#include <linux/types.h>
|
|
/*
|
* rx/tx dma descriptor
|
*/
|
struct bcm_enet_desc {
|
u32 len_stat;
|
u32 address;
|
};
|
|
/* control */
|
#define DMADESC_LENGTH_SHIFT 16
|
#define DMADESC_LENGTH_MASK (0xfff << DMADESC_LENGTH_SHIFT)
|
#define DMADESC_OWNER_MASK (1 << 15)
|
#define DMADESC_EOP_MASK (1 << 14)
|
#define DMADESC_SOP_MASK (1 << 13)
|
#define DMADESC_ESOP_MASK (DMADESC_EOP_MASK | DMADESC_SOP_MASK)
|
#define DMADESC_WRAP_MASK (1 << 12)
|
#define DMADESC_USB_NOZERO_MASK (1 << 1)
|
#define DMADESC_USB_ZERO_MASK (1 << 0)
|
|
/* status */
|
#define DMADESC_UNDER_MASK (1 << 9)
|
#define DMADESC_APPEND_CRC (1 << 8)
|
#define DMADESC_OVSIZE_MASK (1 << 4)
|
#define DMADESC_RXER_MASK (1 << 2)
|
#define DMADESC_CRC_MASK (1 << 1)
|
#define DMADESC_OV_MASK (1 << 0)
|
#define DMADESC_ERR_MASK (DMADESC_UNDER_MASK | \
|
DMADESC_OVSIZE_MASK | \
|
DMADESC_RXER_MASK | \
|
DMADESC_CRC_MASK | \
|
DMADESC_OV_MASK)
|
|
#endif /* ! BCM63XX_IUDMA_H_ */
|
