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 /* control */ 15 #define DMADESC_LENGTH_SHIFT 16 16 #define DMADESC_LENGTH_MASK (0xfff << DMADESC_LENGTH_SHIFT) 17 #define DMADESC_OWNER_MASK (1 << 15) 18 #define DMADESC_EOP_MASK (1 << 14) 19 #define DMADESC_SOP_MASK (1 << 13) 20 #define DMADESC_ESOP_MASK (DMADESC_EOP_MASK | DMADESC_SOP_MASK) 21 #define DMADESC_WRAP_MASK (1 << 12) 22 #define DMADESC_USB_NOZERO_MASK (1 << 1) 23 #define DMADESC_USB_ZERO_MASK (1 << 0) 24 25 /* status */ 26 #define DMADESC_UNDER_MASK (1 << 9) 27 #define DMADESC_APPEND_CRC (1 << 8) 28 #define DMADESC_OVSIZE_MASK (1 << 4) 29 #define DMADESC_RXER_MASK (1 << 2) 30 #define DMADESC_CRC_MASK (1 << 1) 31 #define DMADESC_OV_MASK (1 << 0) 32 #define DMADESC_ERR_MASK (DMADESC_UNDER_MASK | \ 33 DMADESC_OVSIZE_MASK | \ 34 DMADESC_RXER_MASK | \ 35 DMADESC_CRC_MASK | \ 36 DMADESC_OV_MASK) 37 38 #endif /* ! BCM63XX_IUDMA_H_ */ 39