|  | #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_ */ |