LXR linux/arch/mips/include/asm/mach-bcm63xx/bcm63xx

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef BCM63XX_IUDMA_H_
   3#define BCM63XX_IUDMA_H_
   4
   5#include <linux/types.h>
   6
   7/*
   8 * rx/tx dma descriptor
   9 */
  10struct bcm_enet_desc {
  11        u32 len_stat;
  12        u32 address;
  13};
  14
  15/* control */
  16#define DMADESC_LENGTH_SHIFT    16
  17#define DMADESC_LENGTH_MASK     (0xfff << DMADESC_LENGTH_SHIFT)
  18#define DMADESC_OWNER_MASK      (1 << 15)
  19#define DMADESC_EOP_MASK        (1 << 14)
  20#define DMADESC_SOP_MASK        (1 << 13)
  21#define DMADESC_ESOP_MASK       (DMADESC_EOP_MASK | DMADESC_SOP_MASK)
  22#define DMADESC_WRAP_MASK       (1 << 12)
  23#define DMADESC_USB_NOZERO_MASK (1 << 1)
  24#define DMADESC_USB_ZERO_MASK   (1 << 0)
  25
  26/* status */
  27#define DMADESC_UNDER_MASK      (1 << 9)
  28#define DMADESC_APPEND_CRC      (1 << 8)
  29#define DMADESC_OVSIZE_MASK     (1 << 4)
  30#define DMADESC_RXER_MASK       (1 << 2)
  31#define DMADESC_CRC_MASK        (1 << 1)
  32#define DMADESC_OV_MASK         (1 << 0)
  33#define DMADESC_ERR_MASK        (DMADESC_UNDER_MASK | \
  34                                DMADESC_OVSIZE_MASK | \
  35                                DMADESC_RXER_MASK | \
  36                                DMADESC_CRC_MASK | \
  37                                DMADESC_OV_MASK)
  38
  39#endif /* ! BCM63XX_IUDMA_H_ */
  40