gianfar: cleanup gianfar.h

/* Number of bytes to align the rx bufs to */

#define RXBUF_ALIGNMENT 64

#define PHY_INIT_TIMEOUT 100000

#define DRV_NAME "gfar-enet"

extern const char gfar_driver_version[];

#define GFAR_RX_MAX_RING_SIZE   256

#define GFAR_TX_MAX_RING_SIZE   256

#define GFAR_MAX_FIFO_THRESHOLD 511

#define GFAR_MAX_FIFO_STARVE	511

#define GFAR_MAX_FIFO_STARVE_OFF 511

#define FBTHR_SHIFT        24

#define DEFAULT_RX_LFC_THR  16

#define DEFAULT_LFC_PTVVAL  4

#define DEFAULT_FIFO_TX_THR 0x100

#define DEFAULT_FIFO_TX_STARVE 0x40

#define DEFAULT_FIFO_TX_STARVE_OFF 0x80

#define DEFAULT_BD_STASH 1

#define DEFAULT_STASH_LENGTH	96

#define DEFAULT_STASH_INDEX	0

/* The number of Exact Match registers */

#define GFAR_EM_NUM	15

#define DEFAULT_RX_COALESCE 0

#define DEFAULT_RXCOUNT	0

#define GFAR_SUPPORTED (SUPPORTED_10baseT_Half \

		| SUPPORTED_10baseT_Full \

		| SUPPORTED_100baseT_Half \

		| SUPPORTED_100baseT_Full \

		| SUPPORTED_Autoneg \

		| SUPPORTED_MII)

#define GFAR_SUPPORTED_GBIT SUPPORTED_1000baseT_Full

/* TBI register addresses */

#define MII_TBICON		0x11

#define ECNTRL_REDUCED_MII_MODE	0x00000004

#define ECNTRL_SGMII_MODE	0x00000002

#define MRBLR_INIT_SETTINGS	DEFAULT_RX_BUFFER_SIZE

#define MINFLR_INIT_SETTINGS	0x00000040

/* Tqueue control */

#define DEFAULT_TXIC mk_ic_value(DEFAULT_TXCOUNT, DEFAULT_TXTIME)

#define DEFAULT_RXIC mk_ic_value(DEFAULT_RXCOUNT, DEFAULT_RXTIME)

#define skip_bd(bdp, stride, base, ring_size) ({ \

	typeof(bdp) new_bd = (bdp) + (stride); \

	(new_bd >= (base) + (ring_size)) ? (new_bd - (ring_size)) : new_bd; })

#define next_bd(bdp, base, ring_size) skip_bd(bdp, 1, base, ring_size)

#define RCTRL_TS_ENABLE 	0x01000000

#define RCTRL_PAL_MASK		0x001f0000

#define RCTRL_LFC		0x00004000

#define IMASK_RX_DISABLED ((~(IMASK_RX_DEFAULT)) & IMASK_DEFAULT)

#define IMASK_TX_DISABLED ((~(IMASK_TX_DEFAULT)) & IMASK_DEFAULT)

/* Fifo management */

#define FIFO_TX_THR_MASK	0x01ff

#define FIFO_TX_STARVE_MASK	0x01ff

#define FIFO_TX_STARVE_OFF_MASK	0x01ff

/* Attribute fields */

/* This enables rx snooping for buffers and descriptors */

#define RQFCR_PID_PORT_MASK 0xFFFF0000

#define RQFCR_PID_MAC_MASK 0xFF000000

struct gfar_mask_entry {

	unsigned int mask; /* The mask value which is valid form start to end */

	unsigned int start;

	unsigned int end;

	unsigned int block; /* Same block values indicate depended entries */

};

/* Represents a receive filer table entry */

struct gfar_filer_entry {

	u32 ctrl;