projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 932e30b6 KC |
2 | #ifndef BCM63XX_IUDMA_H_ |
| 3 | #define BCM63XX_IUDMA_H_ | |
| 4 | ||
| 5 | #include <linux/types.h> | |
| 6 | ||
| 7 | /* | |
| 8 | * rx/tx dma descriptor | |
| 9 | */ | |
| 10 | struct bcm_enet_desc { | |
| 11 | u32 len_stat; | |
| 12 | u32 address; | |
| 13 | }; | |
| 14 | ||
| 6f942345 | 15 | /* control */ |
| 932e30b6 KC |
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) | |
| 70342287 | 23 | #define DMADESC_USB_NOZERO_MASK (1 << 1) |
| 6f942345 | 24 | #define DMADESC_USB_ZERO_MASK (1 << 0) |
| 932e30b6 | 25 | |
| 6f942345 | 26 | /* status */ |
| 932e30b6 KC |
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_ */ |