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 */ 10 struct 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