| #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_ */ |