1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef BCM63XX_IUDMA_H_
3#define BCM63XX_IUDMA_H_
4
5#include <linux/types.h>
6
7/*
8 * rx/tx dma descriptor
9 */
10struct bcm_enet_desc {
11	u32 len_stat;
12	u32 address;
13};
14
15/* control */
16#define DMADESC_LENGTH_SHIFT	16
17#define DMADESC_LENGTH_MASK	(0xfff << DMADESC_LENGTH_SHIFT)
18#define DMADESC_OWNER_MASK	(1 << 15)
19#define DMADESC_EOP_MASK	(1 << 14)
20#define DMADESC_SOP_MASK	(1 << 13)
21#define DMADESC_ESOP_MASK	(DMADESC_EOP_MASK | DMADESC_SOP_MASK)
22#define DMADESC_WRAP_MASK	(1 << 12)
23#define DMADESC_USB_NOZERO_MASK (1 << 1)
24#define DMADESC_USB_ZERO_MASK	(1 << 0)
25
26/* status */
27#define DMADESC_UNDER_MASK	(1 << 9)
28#define DMADESC_APPEND_CRC	(1 << 8)
29#define DMADESC_OVSIZE_MASK	(1 << 4)
30#define DMADESC_RXER_MASK	(1 << 2)
31#define DMADESC_CRC_MASK	(1 << 1)
32#define DMADESC_OV_MASK		(1 << 0)
33#define DMADESC_ERR_MASK	(DMADESC_UNDER_MASK | \
34				DMADESC_OVSIZE_MASK | \
35				DMADESC_RXER_MASK | \
36				DMADESC_CRC_MASK | \
37				DMADESC_OV_MASK)
38
39#endif /* ! BCM63XX_IUDMA_H_ */
40