net: fec: add struct bufdesc_prop

/* Controller supports RACC register */

#define FEC_QUIRK_HAS_RACC		(1 << 12)

struct bufdesc_prop {

	int qid;

	/* Address of Rx and Tx buffers */

	struct bufdesc	*base;

	struct bufdesc	*last;

	struct bufdesc	*cur;

	dma_addr_t	dma;

	unsigned short ring_size;

	unsigned char dsize;

	unsigned char dsize_log2;

};

struct fec_enet_priv_tx_q {

	int index;

	struct bufdesc_prop bd;

	unsigned char *tx_bounce[TX_RING_SIZE];

	struct  sk_buff *tx_skbuff[TX_RING_SIZE];

	dma_addr_t	bd_dma;

	struct bufdesc	*tx_bd_base;

	uint tx_ring_size;

	unsigned short tx_stop_threshold;

	unsigned short tx_wake_threshold;

	struct bufdesc	*cur_tx;

	struct bufdesc	*dirty_tx;

	char *tso_hdrs;

	dma_addr_t tso_hdrs_dma;

};

struct fec_enet_priv_rx_q {

	int index;

	struct bufdesc_prop bd;

	struct  sk_buff *rx_skbuff[RX_RING_SIZE];

	dma_addr_t	bd_dma;

	struct bufdesc	*rx_bd_base;

	uint rx_ring_size;

	struct bufdesc	*cur_rx;

};

/* The FEC buffer descriptors track the ring buffers.  The rx_bd_base and

	unsigned long work_ts;

	unsigned long work_mdio;

	unsigned short bufdesc_size;

	struct	platform_device *pdev;

	int	dev_id;