arch/mips/include/asm/mach-bcm63xx/bcm63xx_iudma.h

   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_ */