#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_ */ |