| Kevin Cernekee | 932e30b | 2012-07-09 01:41:18 +0000 | [diff] [blame^] | 1 | #ifndef BCM63XX_IUDMA_H_ |
| 2 | #define BCM63XX_IUDMA_H_ |
| 3 | |
| 4 | #include <linux/types.h> |
| 5 | |
| 6 | /* |
| 7 | * rx/tx dma descriptor |
| 8 | */ |
| 9 | struct bcm_enet_desc { |
| 10 | u32 len_stat; |
| 11 | u32 address; |
| 12 | }; |
| 13 | |
| 14 | #define DMADESC_LENGTH_SHIFT 16 |
| 15 | #define DMADESC_LENGTH_MASK (0xfff << DMADESC_LENGTH_SHIFT) |
| 16 | #define DMADESC_OWNER_MASK (1 << 15) |
| 17 | #define DMADESC_EOP_MASK (1 << 14) |
| 18 | #define DMADESC_SOP_MASK (1 << 13) |
| 19 | #define DMADESC_ESOP_MASK (DMADESC_EOP_MASK | DMADESC_SOP_MASK) |
| 20 | #define DMADESC_WRAP_MASK (1 << 12) |
| 21 | |
| 22 | #define DMADESC_UNDER_MASK (1 << 9) |
| 23 | #define DMADESC_APPEND_CRC (1 << 8) |
| 24 | #define DMADESC_OVSIZE_MASK (1 << 4) |
| 25 | #define DMADESC_RXER_MASK (1 << 2) |
| 26 | #define DMADESC_CRC_MASK (1 << 1) |
| 27 | #define DMADESC_OV_MASK (1 << 0) |
| 28 | #define DMADESC_ERR_MASK (DMADESC_UNDER_MASK | \ |
| 29 | DMADESC_OVSIZE_MASK | \ |
| 30 | DMADESC_RXER_MASK | \ |
| 31 | DMADESC_CRC_MASK | \ |
| 32 | DMADESC_OV_MASK) |
| 33 | |
| 34 | #endif /* ! BCM63XX_IUDMA_H_ */ |