Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1369 insertions, 0 deletions

diff --git a/drivers/net/ethernet/freescale/gianfar.h b/drivers/net/ethernet/freescale/gianfar.h
new file mode 100644
index 0000000000..68b59d3202
--- /dev/null
+++ b/drivers/net/ethernet/freescale/gianfar.h
@@ -0,0 +1,1369 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * drivers/net/ethernet/freescale/gianfar.h
+ *
+ * Gianfar Ethernet Driver
+ * Driver for FEC on MPC8540 and TSEC on MPC8540/MPC8560
+ * Based on 8260_io/fcc_enet.c
+ *
+ * Author: Andy Fleming
+ * Maintainer: Kumar Gala
+ * Modifier: Sandeep Gopalpet <sandeep.kumar@freescale.com>
+ *
+ * Copyright 2002-2009, 2011-2013 Freescale Semiconductor, Inc.
+ *
+ *  Still left to do:
+ *      -Add support for module parameters
+ *	-Add patch for ethtool phys id
+ */
+#ifndef __GIANFAR_H
+#define __GIANFAR_H
+
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/spinlock.h>
+#include <linux/mm.h>
+#include <linux/mii.h>
+#include <linux/phy.h>
+
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <linux/uaccess.h>
+#include <linux/module.h>
+#include <linux/crc32.h>
+#include <linux/workqueue.h>
+#include <linux/ethtool.h>
+
+struct ethtool_flow_spec_container {
+	struct ethtool_rx_flow_spec fs;
+	struct list_head list;
+};
+
+struct ethtool_rx_list {
+	struct list_head list;
+	unsigned int count;
+};
+
+/* Length for FCB */
+#define GMAC_FCB_LEN 8
+
+/* Length for TxPAL */
+#define GMAC_TXPAL_LEN 16
+
+/* Default padding amount */
+#define DEFAULT_PADDING 2
+
+/* Number of bytes to align the rx bufs to */
+#define RXBUF_ALIGNMENT 64
+
+#define DRV_NAME "gfar-enet"
+
+/* MAXIMUM NUMBER OF QUEUES SUPPORTED */
+#define MAX_TX_QS	0x8
+#define MAX_RX_QS	0x8
+
+/* MAXIMUM NUMBER OF GROUPS SUPPORTED */
+#define MAXGROUPS 0x2
+
+/* These need to be powers of 2 for this driver */
+#define DEFAULT_TX_RING_SIZE	256
+#define DEFAULT_RX_RING_SIZE	256
+
+#define GFAR_RX_BUFF_ALLOC	16
+
+#define GFAR_RX_MAX_RING_SIZE   256
+#define GFAR_TX_MAX_RING_SIZE   256
+
+#define FBTHR_SHIFT        24
+#define DEFAULT_RX_LFC_THR  16
+#define DEFAULT_LFC_PTVVAL  4
+
+#define GFAR_RXB_TRUESIZE 2048
+#define GFAR_SKBFRAG_OVR (RXBUF_ALIGNMENT \
+			  + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
+#define GFAR_RXB_SIZE rounddown(GFAR_RXB_TRUESIZE - GFAR_SKBFRAG_OVR, 64)
+#define GFAR_SKBFRAG_SIZE (GFAR_RXB_SIZE + GFAR_SKBFRAG_OVR)
+
+#define TX_RING_MOD_MASK(size) (size-1)
+#define RX_RING_MOD_MASK(size) (size-1)
+#define GFAR_JUMBO_FRAME_SIZE 9600
+
+#define DEFAULT_FIFO_TX_THR 0x100
+#define DEFAULT_FIFO_TX_STARVE 0x40
+#define DEFAULT_FIFO_TX_STARVE_OFF 0x80
+
+/* The number of Exact Match registers */
+#define GFAR_EM_NUM	15
+
+/* Latency of interface clock in nanoseconds */
+/* Interface clock latency , in this case, means the
+ * time described by a value of 1 in the interrupt
+ * coalescing registers' time fields.  Since those fields
+ * refer to the time it takes for 64 clocks to pass, the
+ * latencies are as such:
+ * GBIT = 125MHz => 8ns/clock => 8*64 ns / tick
+ * 100 = 25 MHz => 40ns/clock => 40*64 ns / tick
+ * 10 = 2.5 MHz => 400ns/clock => 400*64 ns / tick
+ */
+#define GFAR_GBIT_TIME  512
+#define GFAR_100_TIME   2560
+#define GFAR_10_TIME    25600
+
+#define DEFAULT_TX_COALESCE 1
+#define DEFAULT_TXCOUNT	16
+#define DEFAULT_TXTIME	21
+
+#define DEFAULT_RXTIME	21
+
+#define DEFAULT_RX_COALESCE 0
+#define DEFAULT_RXCOUNT	0
+
+/* TBI register addresses */
+#define MII_TBICON		0x11
+
+/* TBICON register bit fields */
+#define TBICON_CLK_SELECT	0x0020
+
+/* MAC register bits */
+#define MACCFG1_SOFT_RESET	0x80000000
+#define MACCFG1_RESET_RX_MC	0x00080000
+#define MACCFG1_RESET_TX_MC	0x00040000
+#define MACCFG1_RESET_RX_FUN	0x00020000
+#define	MACCFG1_RESET_TX_FUN	0x00010000
+#define MACCFG1_LOOPBACK	0x00000100
+#define MACCFG1_RX_FLOW		0x00000020
+#define MACCFG1_TX_FLOW		0x00000010
+#define MACCFG1_SYNCD_RX_EN	0x00000008
+#define MACCFG1_RX_EN		0x00000004
+#define MACCFG1_SYNCD_TX_EN	0x00000002
+#define MACCFG1_TX_EN		0x00000001
+
+#define MACCFG2_INIT_SETTINGS	0x00007205
+#define MACCFG2_FULL_DUPLEX	0x00000001
+#define MACCFG2_IF              0x00000300
+#define MACCFG2_MII             0x00000100
+#define MACCFG2_GMII            0x00000200
+#define MACCFG2_HUGEFRAME	0x00000020
+#define MACCFG2_LENGTHCHECK	0x00000010
+#define MACCFG2_MPEN		0x00000008
+
+#define ECNTRL_FIFM		0x00008000
+#define ECNTRL_INIT_SETTINGS	0x00001000
+#define ECNTRL_TBI_MODE         0x00000020
+#define ECNTRL_REDUCED_MODE	0x00000010
+#define ECNTRL_R100		0x00000008
+#define ECNTRL_REDUCED_MII_MODE	0x00000004
+#define ECNTRL_SGMII_MODE	0x00000002
+
+#define MINFLR_INIT_SETTINGS	0x00000040
+
+/* Tqueue control */
+#define TQUEUE_EN0		0x00008000
+#define TQUEUE_EN1		0x00004000
+#define TQUEUE_EN2		0x00002000
+#define TQUEUE_EN3		0x00001000
+#define TQUEUE_EN4		0x00000800
+#define TQUEUE_EN5		0x00000400
+#define TQUEUE_EN6		0x00000200
+#define TQUEUE_EN7		0x00000100
+#define TQUEUE_EN_ALL		0x0000FF00
+
+#define TR03WT_WT0_MASK		0xFF000000
+#define TR03WT_WT1_MASK		0x00FF0000
+#define TR03WT_WT2_MASK		0x0000FF00
+#define TR03WT_WT3_MASK		0x000000FF
+
+#define TR47WT_WT4_MASK		0xFF000000
+#define TR47WT_WT5_MASK		0x00FF0000
+#define TR47WT_WT6_MASK		0x0000FF00
+#define TR47WT_WT7_MASK		0x000000FF
+
+/* Rqueue control */
+#define RQUEUE_EX0		0x00800000
+#define RQUEUE_EX1		0x00400000
+#define RQUEUE_EX2		0x00200000
+#define RQUEUE_EX3		0x00100000
+#define RQUEUE_EX4		0x00080000
+#define RQUEUE_EX5		0x00040000
+#define RQUEUE_EX6		0x00020000
+#define RQUEUE_EX7		0x00010000
+#define RQUEUE_EX_ALL		0x00FF0000
+
+#define RQUEUE_EN0		0x00000080
+#define RQUEUE_EN1		0x00000040
+#define RQUEUE_EN2		0x00000020
+#define RQUEUE_EN3		0x00000010
+#define RQUEUE_EN4		0x00000008
+#define RQUEUE_EN5		0x00000004
+#define RQUEUE_EN6		0x00000002
+#define RQUEUE_EN7		0x00000001
+#define RQUEUE_EN_ALL		0x000000FF
+
+/* Init to do tx snooping for buffers and descriptors */
+#define DMACTRL_INIT_SETTINGS   0x000000c3
+#define DMACTRL_GRS             0x00000010
+#define DMACTRL_GTS             0x00000008
+
+#define TSTAT_CLEAR_THALT_ALL	0xFF000000
+#define TSTAT_CLEAR_THALT	0x80000000
+#define TSTAT_CLEAR_THALT0	0x80000000
+#define TSTAT_CLEAR_THALT1	0x40000000
+#define TSTAT_CLEAR_THALT2	0x20000000
+#define TSTAT_CLEAR_THALT3	0x10000000
+#define TSTAT_CLEAR_THALT4	0x08000000
+#define TSTAT_CLEAR_THALT5	0x04000000
+#define TSTAT_CLEAR_THALT6	0x02000000
+#define TSTAT_CLEAR_THALT7	0x01000000
+
+/* Interrupt coalescing macros */
+#define IC_ICEN			0x80000000
+#define IC_ICFT_MASK		0x1fe00000
+#define IC_ICFT_SHIFT		21
+#define mk_ic_icft(x)		\
+	(((unsigned int)x << IC_ICFT_SHIFT)&IC_ICFT_MASK)
+#define IC_ICTT_MASK		0x0000ffff
+#define mk_ic_ictt(x)		(x&IC_ICTT_MASK)
+
+#define mk_ic_value(count, time) (IC_ICEN | \
+				mk_ic_icft(count) | \
+				mk_ic_ictt(time))
+#define get_icft_value(ic)	(((unsigned long)ic & IC_ICFT_MASK) >> \
+				 IC_ICFT_SHIFT)
+#define get_ictt_value(ic)	((unsigned long)ic & IC_ICTT_MASK)
+
+#define DEFAULT_TXIC mk_ic_value(DEFAULT_TXCOUNT, DEFAULT_TXTIME)
+#define DEFAULT_RXIC mk_ic_value(DEFAULT_RXCOUNT, DEFAULT_RXTIME)
+
+#define RCTRL_TS_ENABLE 	0x01000000
+#define RCTRL_PAL_MASK		0x001f0000
+#define RCTRL_LFC		0x00004000
+#define RCTRL_VLEX		0x00002000
+#define RCTRL_FILREN		0x00001000
+#define RCTRL_GHTX		0x00000400
+#define RCTRL_IPCSEN		0x00000200
+#define RCTRL_TUCSEN		0x00000100
+#define RCTRL_PRSDEP_MASK	0x000000c0
+#define RCTRL_PRSDEP_INIT	0x000000c0
+#define RCTRL_PRSFM		0x00000020
+#define RCTRL_PROM		0x00000008
+#define RCTRL_EMEN		0x00000002
+#define RCTRL_REQ_PARSER	(RCTRL_VLEX | RCTRL_IPCSEN | \
+				 RCTRL_TUCSEN | RCTRL_FILREN)
+#define RCTRL_CHECKSUMMING	(RCTRL_IPCSEN | RCTRL_TUCSEN | \
+				RCTRL_PRSDEP_INIT)
+#define RCTRL_EXTHASH		(RCTRL_GHTX)
+#define RCTRL_VLAN		(RCTRL_PRSDEP_INIT)
+#define RCTRL_PADDING(x)	((x << 16) & RCTRL_PAL_MASK)
+
+
+#define RSTAT_CLEAR_RHALT	0x00800000
+#define RSTAT_CLEAR_RXF0	0x00000080
+#define RSTAT_RXF_MASK		0x000000ff
+
+#define TCTRL_IPCSEN		0x00004000
+#define TCTRL_TUCSEN		0x00002000
+#define TCTRL_VLINS		0x00001000
+#define TCTRL_THDF		0x00000800
+#define TCTRL_RFCPAUSE		0x00000010
+#define TCTRL_TFCPAUSE		0x00000008
+#define TCTRL_TXSCHED_MASK	0x00000006
+#define TCTRL_TXSCHED_INIT	0x00000000
+/* priority scheduling */
+#define TCTRL_TXSCHED_PRIO	0x00000002
+/* weighted round-robin scheduling (WRRS) */
+#define TCTRL_TXSCHED_WRRS	0x00000004
+/* default WRRS weight and policy setting,
+ * tailored to the tr03wt and tr47wt registers:
+ * equal weight for all Tx Qs, measured in 64byte units
+ */
+#define DEFAULT_WRRS_WEIGHT	0x18181818
+
+#define TCTRL_INIT_CSUM		(TCTRL_TUCSEN | TCTRL_IPCSEN)
+
+#define IEVENT_INIT_CLEAR	0xffffffff
+#define IEVENT_BABR		0x80000000
+#define IEVENT_RXC		0x40000000
+#define IEVENT_BSY		0x20000000
+#define IEVENT_EBERR		0x10000000
+#define IEVENT_MSRO		0x04000000
+#define IEVENT_GTSC		0x02000000
+#define IEVENT_BABT		0x01000000
+#define IEVENT_TXC		0x00800000
+#define IEVENT_TXE		0x00400000
+#define IEVENT_TXB		0x00200000
+#define IEVENT_TXF		0x00100000
+#define IEVENT_LC		0x00040000
+#define IEVENT_CRL		0x00020000
+#define IEVENT_XFUN		0x00010000
+#define IEVENT_RXB0		0x00008000
+#define IEVENT_MAG		0x00000800
+#define IEVENT_GRSC		0x00000100
+#define IEVENT_RXF0		0x00000080
+#define IEVENT_FGPI		0x00000010
+#define IEVENT_FIR		0x00000008
+#define IEVENT_FIQ		0x00000004
+#define IEVENT_DPE		0x00000002
+#define IEVENT_PERR		0x00000001
+#define IEVENT_RX_MASK          (IEVENT_RXB0 | IEVENT_RXF0 | IEVENT_BSY)
+#define IEVENT_TX_MASK          (IEVENT_TXB | IEVENT_TXF)
+#define IEVENT_RTX_MASK         (IEVENT_RX_MASK | IEVENT_TX_MASK)
+#define IEVENT_ERR_MASK         \
+(IEVENT_RXC | IEVENT_BSY | IEVENT_EBERR | IEVENT_MSRO | \
+ IEVENT_BABT | IEVENT_TXC | IEVENT_TXE | IEVENT_LC \
+ | IEVENT_CRL | IEVENT_XFUN | IEVENT_DPE | IEVENT_PERR \
+ | IEVENT_MAG | IEVENT_BABR)
+
+#define IMASK_INIT_CLEAR	0x00000000
+#define IMASK_BABR              0x80000000
+#define IMASK_RXC               0x40000000
+#define IMASK_BSY               0x20000000
+#define IMASK_EBERR             0x10000000
+#define IMASK_MSRO		0x04000000
+#define IMASK_GTSC              0x02000000
+#define IMASK_BABT		0x01000000
+#define IMASK_TXC               0x00800000
+#define IMASK_TXEEN		0x00400000
+#define IMASK_TXBEN		0x00200000
+#define IMASK_TXFEN             0x00100000
+#define IMASK_LC		0x00040000
+#define IMASK_CRL		0x00020000
+#define IMASK_XFUN		0x00010000
+#define IMASK_RXB0              0x00008000
+#define IMASK_MAG		0x00000800
+#define IMASK_GRSC              0x00000100
+#define IMASK_RXFEN0		0x00000080
+#define IMASK_FGPI		0x00000010
+#define IMASK_FIR		0x00000008
+#define IMASK_FIQ		0x00000004
+#define IMASK_DPE		0x00000002
+#define IMASK_PERR		0x00000001
+#define IMASK_DEFAULT  (IMASK_TXEEN | IMASK_TXFEN | IMASK_TXBEN | \
+		IMASK_RXFEN0 | IMASK_BSY | IMASK_EBERR | IMASK_BABR | \
+		IMASK_XFUN | IMASK_RXC | IMASK_BABT | IMASK_DPE \
+		| IMASK_PERR)
+#define IMASK_RX_DEFAULT (IMASK_RXFEN0 | IMASK_BSY)
+#define IMASK_TX_DEFAULT (IMASK_TXFEN | IMASK_TXBEN)
+
+#define IMASK_RX_DISABLED ((~(IMASK_RX_DEFAULT)) & IMASK_DEFAULT)
+#define IMASK_TX_DISABLED ((~(IMASK_TX_DEFAULT)) & IMASK_DEFAULT)
+
+/* Attribute fields */
+
+/* This enables rx snooping for buffers and descriptors */
+#define ATTR_BDSTASH		0x00000800
+
+#define ATTR_BUFSTASH		0x00004000
+
+#define ATTR_SNOOPING		0x000000c0
+#define ATTR_INIT_SETTINGS      ATTR_SNOOPING
+
+#define ATTRELI_INIT_SETTINGS   0x0
+#define ATTRELI_EL_MASK		0x3fff0000
+#define ATTRELI_EL(x) (x << 16)
+#define ATTRELI_EI_MASK		0x00003fff
+#define ATTRELI_EI(x) (x)
+
+#define BD_LFLAG(flags) ((flags) << 16)
+#define BD_LENGTH_MASK		0x0000ffff
+
+#define FPR_FILER_MASK	0xFFFFFFFF
+#define MAX_FILER_IDX	0xFF
+
+/* This default RIR value directly corresponds
+ * to the 3-bit hash value generated */
+#define DEFAULT_8RXQ_RIR0	0x05397700
+/* Map even hash values to Q0, and odd ones to Q1 */
+#define DEFAULT_2RXQ_RIR0	0x04104100
+
+/* RQFCR register bits */
+#define RQFCR_GPI		0x80000000
+#define RQFCR_HASHTBL_Q		0x00000000
+#define RQFCR_HASHTBL_0		0x00020000
+#define RQFCR_HASHTBL_1		0x00040000
+#define RQFCR_HASHTBL_2		0x00060000
+#define RQFCR_HASHTBL_3		0x00080000
+#define RQFCR_HASH		0x00010000
+#define RQFCR_QUEUE		0x0000FC00
+#define RQFCR_CLE		0x00000200
+#define RQFCR_RJE		0x00000100
+#define RQFCR_AND		0x00000080
+#define RQFCR_CMP_EXACT		0x00000000
+#define RQFCR_CMP_MATCH		0x00000020
+#define RQFCR_CMP_NOEXACT	0x00000040
+#define RQFCR_CMP_NOMATCH	0x00000060
+
+/* RQFCR PID values */
+#define	RQFCR_PID_MASK		0x00000000
+#define	RQFCR_PID_PARSE		0x00000001
+#define	RQFCR_PID_ARB		0x00000002
+#define	RQFCR_PID_DAH		0x00000003
+#define	RQFCR_PID_DAL		0x00000004
+#define	RQFCR_PID_SAH		0x00000005
+#define	RQFCR_PID_SAL		0x00000006
+#define	RQFCR_PID_ETY		0x00000007
+#define	RQFCR_PID_VID		0x00000008
+#define	RQFCR_PID_PRI		0x00000009
+#define	RQFCR_PID_TOS		0x0000000A
+#define	RQFCR_PID_L4P		0x0000000B
+#define	RQFCR_PID_DIA		0x0000000C
+#define	RQFCR_PID_SIA		0x0000000D
+#define	RQFCR_PID_DPT		0x0000000E
+#define	RQFCR_PID_SPT		0x0000000F
+
+/* RQFPR when PID is 0x0001 */
+#define RQFPR_HDR_GE_512	0x00200000
+#define RQFPR_LERR		0x00100000
+#define RQFPR_RAR		0x00080000
+#define RQFPR_RARQ		0x00040000
+#define RQFPR_AR		0x00020000
+#define RQFPR_ARQ		0x00010000
+#define RQFPR_EBC		0x00008000
+#define RQFPR_VLN		0x00004000
+#define RQFPR_CFI		0x00002000
+#define RQFPR_JUM		0x00001000
+#define RQFPR_IPF		0x00000800
+#define RQFPR_FIF		0x00000400
+#define RQFPR_IPV4		0x00000200
+#define RQFPR_IPV6		0x00000100
+#define RQFPR_ICC		0x00000080
+#define RQFPR_ICV		0x00000040
+#define RQFPR_TCP		0x00000020
+#define RQFPR_UDP		0x00000010
+#define RQFPR_TUC		0x00000008
+#define RQFPR_TUV		0x00000004
+#define RQFPR_PER		0x00000002
+#define RQFPR_EER		0x00000001
+
+/* CAR1 bits */
+#define CAR1_C164		0x80000000
+#define CAR1_C1127		0x40000000
+#define CAR1_C1255		0x20000000
+#define CAR1_C1511		0x10000000
+#define CAR1_C11K		0x08000000
+#define CAR1_C1MAX		0x04000000
+#define CAR1_C1MGV		0x02000000
+#define CAR1_C1REJ		0x00020000
+#define CAR1_C1RBY		0x00010000
+#define CAR1_C1RPK		0x00008000
+#define CAR1_C1RFC		0x00004000
+#define CAR1_C1RMC		0x00002000
+#define CAR1_C1RBC		0x00001000
+#define CAR1_C1RXC		0x00000800
+#define CAR1_C1RXP		0x00000400
+#define CAR1_C1RXU		0x00000200
+#define CAR1_C1RAL		0x00000100
+#define CAR1_C1RFL		0x00000080
+#define CAR1_C1RCD		0x00000040
+#define CAR1_C1RCS		0x00000020
+#define CAR1_C1RUN		0x00000010
+#define CAR1_C1ROV		0x00000008
+#define CAR1_C1RFR		0x00000004
+#define CAR1_C1RJB		0x00000002
+#define CAR1_C1RDR		0x00000001
+
+/* CAM1 bits */
+#define CAM1_M164		0x80000000
+#define CAM1_M1127		0x40000000
+#define CAM1_M1255		0x20000000
+#define CAM1_M1511		0x10000000
+#define CAM1_M11K		0x08000000
+#define CAM1_M1MAX		0x04000000
+#define CAM1_M1MGV		0x02000000
+#define CAM1_M1REJ		0x00020000
+#define CAM1_M1RBY		0x00010000
+#define CAM1_M1RPK		0x00008000
+#define CAM1_M1RFC		0x00004000
+#define CAM1_M1RMC		0x00002000
+#define CAM1_M1RBC		0x00001000
+#define CAM1_M1RXC		0x00000800
+#define CAM1_M1RXP		0x00000400
+#define CAM1_M1RXU		0x00000200
+#define CAM1_M1RAL		0x00000100
+#define CAM1_M1RFL		0x00000080
+#define CAM1_M1RCD		0x00000040
+#define CAM1_M1RCS		0x00000020
+#define CAM1_M1RUN		0x00000010
+#define CAM1_M1ROV		0x00000008
+#define CAM1_M1RFR		0x00000004
+#define CAM1_M1RJB		0x00000002
+#define CAM1_M1RDR		0x00000001
+
+/* TxBD status field bits */
+#define TXBD_READY		0x8000
+#define TXBD_PADCRC		0x4000
+#define TXBD_WRAP		0x2000
+#define TXBD_INTERRUPT		0x1000
+#define TXBD_LAST		0x0800
+#define TXBD_CRC		0x0400
+#define TXBD_DEF		0x0200
+#define TXBD_HUGEFRAME		0x0080
+#define TXBD_LATECOLLISION	0x0080
+#define TXBD_RETRYLIMIT		0x0040
+#define	TXBD_RETRYCOUNTMASK	0x003c
+#define TXBD_UNDERRUN		0x0002
+#define TXBD_TOE		0x0002
+
+/* Tx FCB param bits */
+#define TXFCB_VLN		0x80
+#define TXFCB_IP		0x40
+#define TXFCB_IP6		0x20
+#define TXFCB_TUP		0x10
+#define TXFCB_UDP		0x08
+#define TXFCB_CIP		0x04
+#define TXFCB_CTU		0x02
+#define TXFCB_NPH		0x01
+#define TXFCB_DEFAULT 		(TXFCB_IP|TXFCB_TUP|TXFCB_CTU|TXFCB_NPH)
+
+/* RxBD status field bits */
+#define RXBD_EMPTY		0x8000
+#define RXBD_RO1		0x4000
+#define RXBD_WRAP		0x2000
+#define RXBD_INTERRUPT		0x1000
+#define RXBD_LAST		0x0800
+#define RXBD_FIRST		0x0400
+#define RXBD_MISS		0x0100
+#define RXBD_BROADCAST		0x0080
+#define RXBD_MULTICAST		0x0040
+#define RXBD_LARGE		0x0020
+#define RXBD_NONOCTET		0x0010
+#define RXBD_SHORT		0x0008
+#define RXBD_CRCERR		0x0004
+#define RXBD_OVERRUN		0x0002
+#define RXBD_TRUNCATED		0x0001
+#define RXBD_STATS		0x01ff
+#define RXBD_ERR		(RXBD_LARGE | RXBD_SHORT | RXBD_NONOCTET 	\
+				| RXBD_CRCERR | RXBD_OVERRUN			\
+				| RXBD_TRUNCATED)
+
+/* Rx FCB status field bits */
+#define RXFCB_VLN		0x8000
+#define RXFCB_IP		0x4000
+#define RXFCB_IP6		0x2000
+#define RXFCB_TUP		0x1000
+#define RXFCB_CIP		0x0800
+#define RXFCB_CTU		0x0400
+#define RXFCB_EIP		0x0200
+#define RXFCB_ETU		0x0100
+#define RXFCB_CSUM_MASK		0x0f00
+#define RXFCB_PERR_MASK		0x000c
+#define RXFCB_PERR_BADL3	0x0008
+
+#define GFAR_INT_NAME_MAX	(IFNAMSIZ + 6)	/* '_g#_xx' */
+
+#define GFAR_WOL_MAGIC		0x00000001
+#define GFAR_WOL_FILER_UCAST	0x00000002
+
+struct txbd8
+{
+	union {
+		struct {
+			__be16	status;	/* Status Fields */
+			__be16	length;	/* Buffer length */
+		};
+		__be32 lstatus;
+	};
+	__be32	bufPtr;	/* Buffer Pointer */
+};
+
+struct txfcb {
+	u8	flags;
+	u8	ptp;    /* Flag to enable tx timestamping */
+	u8	l4os;	/* Level 4 Header Offset */
+	u8	l3os; 	/* Level 3 Header Offset */
+	__be16	phcs;	/* Pseudo-header Checksum */
+	__be16	vlctl;	/* VLAN control word */
+};
+
+struct rxbd8
+{
+	union {
+		struct {
+			__be16	status;	/* Status Fields */
+			__be16	length;	/* Buffer Length */
+		};
+		__be32 lstatus;
+	};
+	__be32	bufPtr;	/* Buffer Pointer */
+};
+
+struct rxfcb {
+	__be16	flags;
+	u8	rq;	/* Receive Queue index */
+	u8	pro;	/* Layer 4 Protocol */
+	u16	reserved;
+	__be16	vlctl;	/* VLAN control word */
+};
+
+struct gianfar_skb_cb {
+	unsigned int bytes_sent; /* bytes-on-wire (i.e. no FCB) */
+};
+
+#define GFAR_CB(skb) ((struct gianfar_skb_cb *)((skb)->cb))
+
+struct rmon_mib
+{
+	u32	tr64;	/* 0x.680 - Transmit and Receive 64-byte Frame Counter */
+	u32	tr127;	/* 0x.684 - Transmit and Receive 65-127 byte Frame Counter */
+	u32	tr255;	/* 0x.688 - Transmit and Receive 128-255 byte Frame Counter */
+	u32	tr511;	/* 0x.68c - Transmit and Receive 256-511 byte Frame Counter */
+	u32	tr1k;	/* 0x.690 - Transmit and Receive 512-1023 byte Frame Counter */
+	u32	trmax;	/* 0x.694 - Transmit and Receive 1024-1518 byte Frame Counter */
+	u32	trmgv;	/* 0x.698 - Transmit and Receive 1519-1522 byte Good VLAN Frame */
+	u32	rbyt;	/* 0x.69c - Receive Byte Counter */
+	u32	rpkt;	/* 0x.6a0 - Receive Packet Counter */
+	u32	rfcs;	/* 0x.6a4 - Receive FCS Error Counter */
+	u32	rmca;	/* 0x.6a8 - Receive Multicast Packet Counter */
+	u32	rbca;	/* 0x.6ac - Receive Broadcast Packet Counter */
+	u32	rxcf;	/* 0x.6b0 - Receive Control Frame Packet Counter */
+	u32	rxpf;	/* 0x.6b4 - Receive Pause Frame Packet Counter */
+	u32	rxuo;	/* 0x.6b8 - Receive Unknown OP Code Counter */
+	u32	raln;	/* 0x.6bc - Receive Alignment Error Counter */
+	u32	rflr;	/* 0x.6c0 - Receive Frame Length Error Counter */
+	u32	rcde;	/* 0x.6c4 - Receive Code Error Counter */
+	u32	rcse;	/* 0x.6c8 - Receive Carrier Sense Error Counter */
+	u32	rund;	/* 0x.6cc - Receive Undersize Packet Counter */
+	u32	rovr;	/* 0x.6d0 - Receive Oversize Packet Counter */
+	u32	rfrg;	/* 0x.6d4 - Receive Fragments Counter */
+	u32	rjbr;	/* 0x.6d8 - Receive Jabber Counter */
+	u32	rdrp;	/* 0x.6dc - Receive Drop Counter */
+	u32	tbyt;	/* 0x.6e0 - Transmit Byte Counter Counter */
+	u32	tpkt;	/* 0x.6e4 - Transmit Packet Counter */
+	u32	tmca;	/* 0x.6e8 - Transmit Multicast Packet Counter */
+	u32	tbca;	/* 0x.6ec - Transmit Broadcast Packet Counter */
+	u32	txpf;	/* 0x.6f0 - Transmit Pause Control Frame Counter */
+	u32	tdfr;	/* 0x.6f4 - Transmit Deferral Packet Counter */
+	u32	tedf;	/* 0x.6f8 - Transmit Excessive Deferral Packet Counter */
+	u32	tscl;	/* 0x.6fc - Transmit Single Collision Packet Counter */
+	u32	tmcl;	/* 0x.700 - Transmit Multiple Collision Packet Counter */
+	u32	tlcl;	/* 0x.704 - Transmit Late Collision Packet Counter */
+	u32	txcl;	/* 0x.708 - Transmit Excessive Collision Packet Counter */
+	u32	tncl;	/* 0x.70c - Transmit Total Collision Counter */
+	u8	res1[4];
+	u32	tdrp;	/* 0x.714 - Transmit Drop Frame Counter */
+	u32	tjbr;	/* 0x.718 - Transmit Jabber Frame Counter */
+	u32	tfcs;	/* 0x.71c - Transmit FCS Error Counter */
+	u32	txcf;	/* 0x.720 - Transmit Control Frame Counter */
+	u32	tovr;	/* 0x.724 - Transmit Oversize Frame Counter */
+	u32	tund;	/* 0x.728 - Transmit Undersize Frame Counter */
+	u32	tfrg;	/* 0x.72c - Transmit Fragments Frame Counter */
+	u32	car1;	/* 0x.730 - Carry Register One */
+	u32	car2;	/* 0x.734 - Carry Register Two */
+	u32	cam1;	/* 0x.738 - Carry Mask Register One */
+	u32	cam2;	/* 0x.73c - Carry Mask Register Two */
+};
+
+struct rmon_overflow {
+	/* lock for synchronization of the rdrp field of this struct, and
+	 * CAR1/CAR2 registers
+	 */
+	spinlock_t lock;
+	u32	imask;
+	u64	rdrp;
+};
+
+struct gfar_extra_stats {
+	atomic64_t rx_alloc_err;
+	atomic64_t rx_large;
+	atomic64_t rx_short;
+	atomic64_t rx_nonoctet;
+	atomic64_t rx_crcerr;
+	atomic64_t rx_overrun;
+	atomic64_t rx_bsy;
+	atomic64_t rx_babr;
+	atomic64_t rx_trunc;
+	atomic64_t eberr;
+	atomic64_t tx_babt;
+	atomic64_t tx_underrun;
+	atomic64_t tx_timeout;
+};
+
+#define GFAR_RMON_LEN ((sizeof(struct rmon_mib) - 16)/sizeof(u32))
+#define GFAR_EXTRA_STATS_LEN \
+	(sizeof(struct gfar_extra_stats)/sizeof(atomic64_t))
+
+/* Number of stats exported via ethtool */
+#define GFAR_STATS_LEN (GFAR_RMON_LEN + GFAR_EXTRA_STATS_LEN)
+
+struct gfar {
+	u32	tsec_id;	/* 0x.000 - Controller ID register */
+	u32	tsec_id2;	/* 0x.004 - Controller ID2 register */
+	u8	res1[8];
+	u32	ievent;		/* 0x.010 - Interrupt Event Register */
+	u32	imask;		/* 0x.014 - Interrupt Mask Register */
+	u32	edis;		/* 0x.018 - Error Disabled Register */
+	u32	emapg;		/* 0x.01c - Group Error mapping register */
+	u32	ecntrl;		/* 0x.020 - Ethernet Control Register */
+	u32	minflr;		/* 0x.024 - Minimum Frame Length Register */
+	u32	ptv;		/* 0x.028 - Pause Time Value Register */
+	u32	dmactrl;	/* 0x.02c - DMA Control Register */
+	u32	tbipa;		/* 0x.030 - TBI PHY Address Register */
+	u8	res2[28];
+	u32	fifo_rx_pause;	/* 0x.050 - FIFO receive pause start threshold
+					register */
+	u32	fifo_rx_pause_shutoff;	/* x.054 - FIFO receive starve shutoff
+						register */
+	u32	fifo_rx_alarm;	/* 0x.058 - FIFO receive alarm start threshold
+						register */
+	u32	fifo_rx_alarm_shutoff;	/*0x.05c - FIFO receive alarm  starve
+						shutoff register */
+	u8	res3[44];
+	u32	fifo_tx_thr;	/* 0x.08c - FIFO transmit threshold register */
+	u8	res4[8];
+	u32	fifo_tx_starve;	/* 0x.098 - FIFO transmit starve register */
+	u32	fifo_tx_starve_shutoff;	/* 0x.09c - FIFO transmit starve shutoff register */
+	u8	res5[96];
+	u32	tctrl;		/* 0x.100 - Transmit Control Register */
+	u32	tstat;		/* 0x.104 - Transmit Status Register */
+	u32	dfvlan;		/* 0x.108 - Default VLAN Control word */
+	u32	tbdlen;		/* 0x.10c - Transmit Buffer Descriptor Data Length Register */
+	u32	txic;		/* 0x.110 - Transmit Interrupt Coalescing Configuration Register */
+	u32	tqueue;		/* 0x.114 - Transmit queue control register */
+	u8	res7[40];
+	u32	tr03wt;		/* 0x.140 - TxBD Rings 0-3 round-robin weightings */
+	u32	tr47wt;		/* 0x.144 - TxBD Rings 4-7 round-robin weightings */
+	u8	res8[52];
+	u32	tbdbph;		/* 0x.17c - Tx data buffer pointer high */
+	u8	res9a[4];
+	u32	tbptr0;		/* 0x.184 - TxBD Pointer for ring 0 */
+	u8	res9b[4];
+	u32	tbptr1;		/* 0x.18c - TxBD Pointer for ring 1 */
+	u8	res9c[4];
+	u32	tbptr2;		/* 0x.194 - TxBD Pointer for ring 2 */
+	u8	res9d[4];
+	u32	tbptr3;		/* 0x.19c - TxBD Pointer for ring 3 */
+	u8	res9e[4];
+	u32	tbptr4;		/* 0x.1a4 - TxBD Pointer for ring 4 */
+	u8	res9f[4];
+	u32	tbptr5;		/* 0x.1ac - TxBD Pointer for ring 5 */
+	u8	res9g[4];
+	u32	tbptr6;		/* 0x.1b4 - TxBD Pointer for ring 6 */
+	u8	res9h[4];
+	u32	tbptr7;		/* 0x.1bc - TxBD Pointer for ring 7 */
+	u8	res9[64];
+	u32	tbaseh;		/* 0x.200 - TxBD base address high */
+	u32	tbase0;		/* 0x.204 - TxBD Base Address of ring 0 */
+	u8	res10a[4];
+	u32	tbase1;		/* 0x.20c - TxBD Base Address of ring 1 */
+	u8	res10b[4];
+	u32	tbase2;		/* 0x.214 - TxBD Base Address of ring 2 */
+	u8	res10c[4];
+	u32	tbase3;		/* 0x.21c - TxBD Base Address of ring 3 */
+	u8	res10d[4];
+	u32	tbase4;		/* 0x.224 - TxBD Base Address of ring 4 */
+	u8	res10e[4];
+	u32	tbase5;		/* 0x.22c - TxBD Base Address of ring 5 */
+	u8	res10f[4];
+	u32	tbase6;		/* 0x.234 - TxBD Base Address of ring 6 */
+	u8	res10g[4];
+	u32	tbase7;		/* 0x.23c - TxBD Base Address of ring 7 */
+	u8	res10[192];
+	u32	rctrl;		/* 0x.300 - Receive Control Register */
+	u32	rstat;		/* 0x.304 - Receive Status Register */
+	u8	res12[8];
+	u32	rxic;		/* 0x.310 - Receive Interrupt Coalescing Configuration Register */
+	u32	rqueue;		/* 0x.314 - Receive queue control register */
+	u32	rir0;		/* 0x.318 - Ring mapping register 0 */
+	u32	rir1;		/* 0x.31c - Ring mapping register 1 */
+	u32	rir2;		/* 0x.320 - Ring mapping register 2 */
+	u32	rir3;		/* 0x.324 - Ring mapping register 3 */
+	u8	res13[8];
+	u32	rbifx;		/* 0x.330 - Receive bit field extract control register */
+	u32	rqfar;		/* 0x.334 - Receive queue filing table address register */
+	u32	rqfcr;		/* 0x.338 - Receive queue filing table control register */
+	u32	rqfpr;		/* 0x.33c - Receive queue filing table property register */
+	u32	mrblr;		/* 0x.340 - Maximum Receive Buffer Length Register */
+	u8	res14[56];
+	u32	rbdbph;		/* 0x.37c - Rx data buffer pointer high */
+	u8	res15a[4];
+	u32	rbptr0;		/* 0x.384 - RxBD pointer for ring 0 */
+	u8	res15b[4];
+	u32	rbptr1;		/* 0x.38c - RxBD pointer for ring 1 */
+	u8	res15c[4];
+	u32	rbptr2;		/* 0x.394 - RxBD pointer for ring 2 */
+	u8	res15d[4];
+	u32	rbptr3;		/* 0x.39c - RxBD pointer for ring 3 */
+	u8	res15e[4];
+	u32	rbptr4;		/* 0x.3a4 - RxBD pointer for ring 4 */
+	u8	res15f[4];
+	u32	rbptr5;		/* 0x.3ac - RxBD pointer for ring 5 */
+	u8	res15g[4];
+	u32	rbptr6;		/* 0x.3b4 - RxBD pointer for ring 6 */
+	u8	res15h[4];
+	u32	rbptr7;		/* 0x.3bc - RxBD pointer for ring 7 */
+	u8	res16[64];
+	u32	rbaseh;		/* 0x.400 - RxBD base address high */
+	u32	rbase0;		/* 0x.404 - RxBD base address of ring 0 */
+	u8	res17a[4];
+	u32	rbase1;		/* 0x.40c - RxBD base address of ring 1 */
+	u8	res17b[4];
+	u32	rbase2;		/* 0x.414 - RxBD base address of ring 2 */
+	u8	res17c[4];
+	u32	rbase3;		/* 0x.41c - RxBD base address of ring 3 */
+	u8	res17d[4];
+	u32	rbase4;		/* 0x.424 - RxBD base address of ring 4 */
+	u8	res17e[4];
+	u32	rbase5;		/* 0x.42c - RxBD base address of ring 5 */
+	u8	res17f[4];
+	u32	rbase6;		/* 0x.434 - RxBD base address of ring 6 */
+	u8	res17g[4];
+	u32	rbase7;		/* 0x.43c - RxBD base address of ring 7 */
+	u8	res17[192];
+	u32	maccfg1;	/* 0x.500 - MAC Configuration 1 Register */
+	u32	maccfg2;	/* 0x.504 - MAC Configuration 2 Register */
+	u32	ipgifg;		/* 0x.508 - Inter Packet Gap/Inter Frame Gap Register */
+	u32	hafdup;		/* 0x.50c - Half Duplex Register */
+	u32	maxfrm;		/* 0x.510 - Maximum Frame Length Register */
+	u8	res18[12];
+	u8	gfar_mii_regs[24];	/* See gianfar_phy.h */
+	u32	ifctrl;		/* 0x.538 - Interface control register */
+	u32	ifstat;		/* 0x.53c - Interface Status Register */
+	u32	macstnaddr1;	/* 0x.540 - Station Address Part 1 Register */
+	u32	macstnaddr2;	/* 0x.544 - Station Address Part 2 Register */
+	u32	mac01addr1;	/* 0x.548 - MAC exact match address 1, part 1 */
+	u32	mac01addr2;	/* 0x.54c - MAC exact match address 1, part 2 */
+	u32	mac02addr1;	/* 0x.550 - MAC exact match address 2, part 1 */
+	u32	mac02addr2;	/* 0x.554 - MAC exact match address 2, part 2 */
+	u32	mac03addr1;	/* 0x.558 - MAC exact match address 3, part 1 */
+	u32	mac03addr2;	/* 0x.55c - MAC exact match address 3, part 2 */
+	u32	mac04addr1;	/* 0x.560 - MAC exact match address 4, part 1 */
+	u32	mac04addr2;	/* 0x.564 - MAC exact match address 4, part 2 */
+	u32	mac05addr1;	/* 0x.568 - MAC exact match address 5, part 1 */
+	u32	mac05addr2;	/* 0x.56c - MAC exact match address 5, part 2 */
+	u32	mac06addr1;	/* 0x.570 - MAC exact match address 6, part 1 */
+	u32	mac06addr2;	/* 0x.574 - MAC exact match address 6, part 2 */
+	u32	mac07addr1;	/* 0x.578 - MAC exact match address 7, part 1 */
+	u32	mac07addr2;	/* 0x.57c - MAC exact match address 7, part 2 */
+	u32	mac08addr1;	/* 0x.580 - MAC exact match address 8, part 1 */
+	u32	mac08addr2;	/* 0x.584 - MAC exact match address 8, part 2 */
+	u32	mac09addr1;	/* 0x.588 - MAC exact match address 9, part 1 */
+	u32	mac09addr2;	/* 0x.58c - MAC exact match address 9, part 2 */
+	u32	mac10addr1;	/* 0x.590 - MAC exact match address 10, part 1*/
+	u32	mac10addr2;	/* 0x.594 - MAC exact match address 10, part 2*/
+	u32	mac11addr1;	/* 0x.598 - MAC exact match address 11, part 1*/
+	u32	mac11addr2;	/* 0x.59c - MAC exact match address 11, part 2*/
+	u32	mac12addr1;	/* 0x.5a0 - MAC exact match address 12, part 1*/
+	u32	mac12addr2;	/* 0x.5a4 - MAC exact match address 12, part 2*/
+	u32	mac13addr1;	/* 0x.5a8 - MAC exact match address 13, part 1*/
+	u32	mac13addr2;	/* 0x.5ac - MAC exact match address 13, part 2*/
+	u32	mac14addr1;	/* 0x.5b0 - MAC exact match address 14, part 1*/
+	u32	mac14addr2;	/* 0x.5b4 - MAC exact match address 14, part 2*/
+	u32	mac15addr1;	/* 0x.5b8 - MAC exact match address 15, part 1*/
+	u32	mac15addr2;	/* 0x.5bc - MAC exact match address 15, part 2*/
+	u8	res20[192];
+	struct rmon_mib	rmon;	/* 0x.680-0x.73c */
+	u32	rrej;		/* 0x.740 - Receive filer rejected packet counter */
+	u8	res21[188];
+	u32	igaddr0;	/* 0x.800 - Indivdual/Group address register 0*/
+	u32	igaddr1;	/* 0x.804 - Indivdual/Group address register 1*/
+	u32	igaddr2;	/* 0x.808 - Indivdual/Group address register 2*/
+	u32	igaddr3;	/* 0x.80c - Indivdual/Group address register 3*/
+	u32	igaddr4;	/* 0x.810 - Indivdual/Group address register 4*/
+	u32	igaddr5;	/* 0x.814 - Indivdual/Group address register 5*/
+	u32	igaddr6;	/* 0x.818 - Indivdual/Group address register 6*/
+	u32	igaddr7;	/* 0x.81c - Indivdual/Group address register 7*/
+	u8	res22[96];
+	u32	gaddr0;		/* 0x.880 - Group address register 0 */
+	u32	gaddr1;		/* 0x.884 - Group address register 1 */
+	u32	gaddr2;		/* 0x.888 - Group address register 2 */
+	u32	gaddr3;		/* 0x.88c - Group address register 3 */
+	u32	gaddr4;		/* 0x.890 - Group address register 4 */
+	u32	gaddr5;		/* 0x.894 - Group address register 5 */
+	u32	gaddr6;		/* 0x.898 - Group address register 6 */
+	u32	gaddr7;		/* 0x.89c - Group address register 7 */
+	u8	res23a[352];
+	u32	fifocfg;	/* 0x.a00 - FIFO interface config register */
+	u8	res23b[252];
+	u8	res23c[248];
+	u32	attr;		/* 0x.bf8 - Attributes Register */
+	u32	attreli;	/* 0x.bfc - Attributes Extract Length and Extract Index Register */
+	u32	rqprm0;	/* 0x.c00 - Receive queue parameters register 0 */
+	u32	rqprm1;	/* 0x.c04 - Receive queue parameters register 1 */
+	u32	rqprm2;	/* 0x.c08 - Receive queue parameters register 2 */
+	u32	rqprm3;	/* 0x.c0c - Receive queue parameters register 3 */
+	u32	rqprm4;	/* 0x.c10 - Receive queue parameters register 4 */
+	u32	rqprm5;	/* 0x.c14 - Receive queue parameters register 5 */
+	u32	rqprm6;	/* 0x.c18 - Receive queue parameters register 6 */
+	u32	rqprm7;	/* 0x.c1c - Receive queue parameters register 7 */
+	u8	res24[36];
+	u32	rfbptr0; /* 0x.c44 - Last free RxBD pointer for ring 0 */
+	u8	res24a[4];
+	u32	rfbptr1; /* 0x.c4c - Last free RxBD pointer for ring 1 */
+	u8	res24b[4];
+	u32	rfbptr2; /* 0x.c54 - Last free RxBD pointer for ring 2 */
+	u8	res24c[4];
+	u32	rfbptr3; /* 0x.c5c - Last free RxBD pointer for ring 3 */
+	u8	res24d[4];
+	u32	rfbptr4; /* 0x.c64 - Last free RxBD pointer for ring 4 */
+	u8	res24e[4];
+	u32	rfbptr5; /* 0x.c6c - Last free RxBD pointer for ring 5 */
+	u8	res24f[4];
+	u32	rfbptr6; /* 0x.c74 - Last free RxBD pointer for ring 6 */
+	u8	res24g[4];
+	u32	rfbptr7; /* 0x.c7c - Last free RxBD pointer for ring 7 */
+	u8	res24h[4];
+	u8	res24x[556];
+	u32	isrg0;		/* 0x.eb0 - Interrupt steering group 0 register */
+	u32	isrg1;		/* 0x.eb4 - Interrupt steering group 1 register */
+	u32	isrg2;		/* 0x.eb8 - Interrupt steering group 2 register */
+	u32	isrg3;		/* 0x.ebc - Interrupt steering group 3 register */
+	u8	res25[16];
+	u32	rxic0;		/* 0x.ed0 - Ring 0 Rx interrupt coalescing */
+	u32	rxic1;		/* 0x.ed4 - Ring 1 Rx interrupt coalescing */
+	u32	rxic2;		/* 0x.ed8 - Ring 2 Rx interrupt coalescing */
+	u32	rxic3;		/* 0x.edc - Ring 3 Rx interrupt coalescing */
+	u32	rxic4;		/* 0x.ee0 - Ring 4 Rx interrupt coalescing */
+	u32	rxic5;		/* 0x.ee4 - Ring 5 Rx interrupt coalescing */
+	u32	rxic6;		/* 0x.ee8 - Ring 6 Rx interrupt coalescing */
+	u32	rxic7;		/* 0x.eec - Ring 7 Rx interrupt coalescing */
+	u8	res26[32];
+	u32	txic0;		/* 0x.f10 - Ring 0 Tx interrupt coalescing */
+	u32	txic1;		/* 0x.f14 - Ring 1 Tx interrupt coalescing */
+	u32	txic2;		/* 0x.f18 - Ring 2 Tx interrupt coalescing */
+	u32	txic3;		/* 0x.f1c - Ring 3 Tx interrupt coalescing */
+	u32	txic4;		/* 0x.f20 - Ring 4 Tx interrupt coalescing */
+	u32	txic5;		/* 0x.f24 - Ring 5 Tx interrupt coalescing */
+	u32	txic6;		/* 0x.f28 - Ring 6 Tx interrupt coalescing */
+	u32	txic7;		/* 0x.f2c - Ring 7 Tx interrupt coalescing */
+	u8	res27[208];
+};
+
+/* Flags related to gianfar device features */
+#define FSL_GIANFAR_DEV_HAS_GIGABIT		0x00000001
+#define FSL_GIANFAR_DEV_HAS_COALESCE		0x00000002
+#define FSL_GIANFAR_DEV_HAS_RMON		0x00000004
+#define FSL_GIANFAR_DEV_HAS_MULTI_INTR		0x00000008
+#define FSL_GIANFAR_DEV_HAS_CSUM		0x00000010
+#define FSL_GIANFAR_DEV_HAS_VLAN		0x00000020
+#define FSL_GIANFAR_DEV_HAS_EXTENDED_HASH	0x00000040
+#define FSL_GIANFAR_DEV_HAS_MAGIC_PACKET	0x00000100
+#define FSL_GIANFAR_DEV_HAS_BD_STASHING		0x00000200
+#define FSL_GIANFAR_DEV_HAS_BUF_STASHING	0x00000400
+#define FSL_GIANFAR_DEV_HAS_TIMER		0x00000800
+#define FSL_GIANFAR_DEV_HAS_WAKE_ON_FILER	0x00001000
+#define FSL_GIANFAR_DEV_HAS_RX_FILER		0x00002000
+
+#if (MAXGROUPS == 2)
+#define DEFAULT_MAPPING 	0xAA
+#else
+#define DEFAULT_MAPPING 	0xFF
+#endif
+
+#define ISRG_RR0	0x80000000
+#define ISRG_TR0	0x00800000
+
+/* The same driver can operate in two modes */
+/* SQ_SG_MODE: Single Queue Single Group Mode
+ * 		(Backward compatible mode)
+ * MQ_MG_MODE: Multi Queue Multi Group mode
+ */
+enum {
+	SQ_SG_MODE = 0,
+	MQ_MG_MODE
+};
+
+/*
+ * Per TX queue stats
+ */
+struct tx_q_stats {
+	u64 tx_packets;
+	u64 tx_bytes;
+};
+
+/**
+ *	struct gfar_priv_tx_q - per tx queue structure
+ *	@txlock: per queue tx spin lock
+ *	@tx_skbuff:skb pointers
+ *	@skb_curtx: to be used skb pointer
+ *	@skb_dirtytx:the last used skb pointer
+ *	@stats: bytes/packets stats
+ *	@qindex: index of this queue
+ *	@dev: back pointer to the dev structure
+ *	@grp: back pointer to the group to which this queue belongs
+ *	@tx_bd_base: First tx buffer descriptor
+ *	@cur_tx: Next free ring entry
+ *	@dirty_tx: First buffer in line to be transmitted
+ *	@tx_ring_size: Tx ring size
+ *	@num_txbdfree: number of free TxBds
+ *	@txcoalescing: enable/disable tx coalescing
+ *	@txic: transmit interrupt coalescing value
+ *	@txcount: coalescing value if based on tx frame count
+ *	@txtime: coalescing value if based on time
+ */
+struct gfar_priv_tx_q {
+	/* cacheline 1 */
+	spinlock_t txlock __attribute__ ((aligned (SMP_CACHE_BYTES)));
+	struct	txbd8 *tx_bd_base;
+	struct	txbd8 *cur_tx;
+	unsigned int num_txbdfree;
+	unsigned short skb_curtx;
+	unsigned short tx_ring_size;
+	struct tx_q_stats stats;
+	struct gfar_priv_grp *grp;
+	/* cacheline 2 */
+	struct net_device *dev;
+	struct sk_buff **tx_skbuff;
+	struct	txbd8 *dirty_tx;
+	unsigned short skb_dirtytx;
+	unsigned short qindex;
+	/* Configuration info for the coalescing features */
+	unsigned int txcoalescing;
+	unsigned long txic;
+	dma_addr_t tx_bd_dma_base;
+};
+
+/*
+ * Per RX queue stats
+ */
+struct rx_q_stats {
+	u64 rx_packets;
+	u64 rx_bytes;
+	u64 rx_dropped;
+};
+
+struct gfar_rx_buff {
+	dma_addr_t dma;
+	struct page *page;
+	unsigned int page_offset;
+};
+
+/**
+ *	struct gfar_priv_rx_q - per rx queue structure
+ *	@rx_buff: Array of buffer info metadata structs
+ *	@rx_bd_base: First rx buffer descriptor
+ *	@next_to_use: index of the next buffer to be alloc'd
+ *	@next_to_clean: index of the next buffer to be cleaned
+ *	@qindex: index of this queue
+ *	@ndev: back pointer to net_device
+ *	@rx_ring_size: Rx ring size
+ *	@rxcoalescing: enable/disable rx-coalescing
+ *	@rxic: receive interrupt coalescing vlaue
+ */
+
+struct gfar_priv_rx_q {
+	struct	gfar_rx_buff *rx_buff __aligned(SMP_CACHE_BYTES);
+	struct	rxbd8 *rx_bd_base;
+	struct	net_device *ndev;
+	struct	device *dev;
+	u16 rx_ring_size;
+	u16 qindex;
+	struct	gfar_priv_grp *grp;
+	u16 next_to_clean;
+	u16 next_to_use;
+	u16 next_to_alloc;
+	struct	sk_buff *skb;
+	struct rx_q_stats stats;
+	u32 __iomem *rfbptr;
+	unsigned char rxcoalescing;
+	unsigned long rxic;
+	dma_addr_t rx_bd_dma_base;
+};
+
+enum gfar_irqinfo_id {
+	GFAR_TX = 0,
+	GFAR_RX = 1,
+	GFAR_ER = 2,
+	GFAR_NUM_IRQS = 3
+};
+
+struct gfar_irqinfo {
+	unsigned int irq;
+	char name[GFAR_INT_NAME_MAX];
+};
+
+/**
+ *	struct gfar_priv_grp - per group structure
+ *	@napi: the napi poll function
+ *	@priv: back pointer to the priv structure
+ *	@regs: the ioremapped register space for this group
+ *	@irqinfo: TX/RX/ER irq data for this group
+ */
+
+struct gfar_priv_grp {
+	spinlock_t grplock __aligned(SMP_CACHE_BYTES);
+	struct	napi_struct napi_rx;
+	struct	napi_struct napi_tx;
+	struct gfar __iomem *regs;
+	struct gfar_priv_tx_q *tx_queue;
+	struct gfar_priv_rx_q *rx_queue;
+	unsigned int tstat;
+	unsigned int rstat;
+
+	struct gfar_private *priv;
+	unsigned long num_tx_queues;
+	unsigned long tx_bit_map;
+	unsigned long num_rx_queues;
+	unsigned long rx_bit_map;
+
+	struct gfar_irqinfo *irqinfo[GFAR_NUM_IRQS];
+};
+
+#define gfar_irq(grp, ID) \
+	((grp)->irqinfo[GFAR_##ID])
+
+enum gfar_errata {
+	GFAR_ERRATA_74		= 0x01,
+	GFAR_ERRATA_76		= 0x02,
+	GFAR_ERRATA_A002	= 0x04,
+	GFAR_ERRATA_12		= 0x08, /* a.k.a errata eTSEC49 */
+};
+
+enum gfar_dev_state {
+	GFAR_DOWN = 1,
+	GFAR_RESETTING
+};
+
+/* Struct stolen almost completely (and shamelessly) from the FCC enet source
+ * (Ok, that's not so true anymore, but there is a family resemblance)
+ * The GFAR buffer descriptors track the ring buffers.  The rx_bd_base
+ * and tx_bd_base always point to the currently available buffer.
+ * The dirty_tx tracks the current buffer that is being sent by the
+ * controller.  The cur_tx and dirty_tx are equal under both completely
+ * empty and completely full conditions.  The empty/ready indicator in
+ * the buffer descriptor determines the actual condition.
+ */
+struct gfar_private {
+	struct device *dev;
+	struct net_device *ndev;
+	enum gfar_errata errata;
+
+	u16 uses_rxfcb;
+	u16 padding;
+	u32 device_flags;
+
+	/* HW time stamping enabled flag */
+	int hwts_rx_en;
+	int hwts_tx_en;
+
+	struct gfar_priv_tx_q *tx_queue[MAX_TX_QS];
+	struct gfar_priv_rx_q *rx_queue[MAX_RX_QS];
+	struct gfar_priv_grp gfargrp[MAXGROUPS];
+
+	unsigned long state;
+
+	unsigned short mode;
+	unsigned int num_tx_queues;
+	unsigned int num_rx_queues;
+	unsigned int num_grps;
+	int tx_actual_en;
+
+	/* Network Statistics */
+	struct gfar_extra_stats extra_stats;
+	struct rmon_overflow rmon_overflow;
+
+	/* PHY stuff */
+	phy_interface_t interface;
+	struct device_node *phy_node;
+	struct device_node *tbi_node;
+	struct mii_bus *mii_bus;
+	int oldspeed;
+	int oldduplex;
+	int oldlink;
+
+	uint32_t msg_enable;
+
+	struct work_struct reset_task;
+
+	struct platform_device *ofdev;
+	unsigned char
+		extended_hash:1,
+		bd_stash_en:1,
+		rx_filer_enable:1,
+		/* Enable priorty based Tx scheduling in Hw */
+		prio_sched_en:1,
+		/* Flow control flags */
+		pause_aneg_en:1,
+		tx_pause_en:1,
+		rx_pause_en:1;
+
+	/* The total tx and rx ring size for the enabled queues */
+	unsigned int total_tx_ring_size;
+	unsigned int total_rx_ring_size;
+
+	u32 rqueue;
+	u32 tqueue;
+
+	/* RX per device parameters */
+	unsigned int rx_stash_size;
+	unsigned int rx_stash_index;
+
+	u32 cur_filer_idx;
+
+	/* RX queue filer rule set*/
+	struct ethtool_rx_list rx_list;
+	struct mutex rx_queue_access;
+
+	/* Hash registers and their width */
+	u32 __iomem *hash_regs[16];
+	int hash_width;
+
+	/* wake-on-lan settings */
+	u16 wol_opts;
+	u16 wol_supported;
+
+	/*Filer table*/
+	unsigned int ftp_rqfpr[MAX_FILER_IDX + 1];
+	unsigned int ftp_rqfcr[MAX_FILER_IDX + 1];
+};
+
+
+static inline int gfar_has_errata(struct gfar_private *priv,
+				  enum gfar_errata err)
+{
+	return priv->errata & err;
+}
+
+static inline u32 gfar_read(unsigned __iomem *addr)
+{
+	u32 val;
+	val = ioread32be(addr);
+	return val;
+}
+
+static inline void gfar_write(unsigned __iomem *addr, u32 val)
+{
+	iowrite32be(val, addr);
+}
+
+static inline void gfar_write_filer(struct gfar_private *priv,
+		unsigned int far, unsigned int fcr, unsigned int fpr)
+{
+	struct gfar __iomem *regs = priv->gfargrp[0].regs;
+
+	gfar_write(&regs->rqfar, far);
+	gfar_write(&regs->rqfcr, fcr);
+	gfar_write(&regs->rqfpr, fpr);
+}
+
+static inline void gfar_read_filer(struct gfar_private *priv,
+		unsigned int far, unsigned int *fcr, unsigned int *fpr)
+{
+	struct gfar __iomem *regs = priv->gfargrp[0].regs;
+
+	gfar_write(&regs->rqfar, far);
+	*fcr = gfar_read(&regs->rqfcr);
+	*fpr = gfar_read(&regs->rqfpr);
+}
+
+static inline void gfar_write_isrg(struct gfar_private *priv)
+{
+	struct gfar __iomem *regs = priv->gfargrp[0].regs;
+	u32 __iomem *baddr = &regs->isrg0;
+	u32 isrg = 0;
+	int grp_idx, i;
+
+	for (grp_idx = 0; grp_idx < priv->num_grps; grp_idx++) {
+		struct gfar_priv_grp *grp = &priv->gfargrp[grp_idx];
+
+		for_each_set_bit(i, &grp->rx_bit_map, priv->num_rx_queues) {
+			isrg |= (ISRG_RR0 >> i);
+		}
+
+		for_each_set_bit(i, &grp->tx_bit_map, priv->num_tx_queues) {
+			isrg |= (ISRG_TR0 >> i);
+		}
+
+		gfar_write(baddr, isrg);
+
+		baddr++;
+		isrg = 0;
+	}
+}
+
+static inline int gfar_is_dma_stopped(struct gfar_private *priv)
+{
+	struct gfar __iomem *regs = priv->gfargrp[0].regs;
+
+	return ((gfar_read(&regs->ievent) & (IEVENT_GRSC | IEVENT_GTSC)) ==
+	       (IEVENT_GRSC | IEVENT_GTSC));
+}
+
+static inline int gfar_is_rx_dma_stopped(struct gfar_private *priv)
+{
+	struct gfar __iomem *regs = priv->gfargrp[0].regs;
+
+	return gfar_read(&regs->ievent) & IEVENT_GRSC;
+}
+
+static inline void gfar_wmb(void)
+{
+#if defined(CONFIG_PPC)
+	/* The powerpc-specific eieio() is used, as wmb() has too strong
+	 * semantics (it requires synchronization between cacheable and
+	 * uncacheable mappings, which eieio() doesn't provide and which we
+	 * don't need), thus requiring a more expensive sync instruction.  At
+	 * some point, the set of architecture-independent barrier functions
+	 * should be expanded to include weaker barriers.
+	 */
+	eieio();
+#else
+	wmb(); /* order write acesses for BD (or FCB) fields */
+#endif
+}
+
+static inline void gfar_clear_txbd_status(struct txbd8 *bdp)
+{
+	u32 lstatus = be32_to_cpu(bdp->lstatus);
+
+	lstatus &= BD_LFLAG(TXBD_WRAP);
+	bdp->lstatus = cpu_to_be32(lstatus);
+}
+
+static inline int gfar_rxbd_unused(struct gfar_priv_rx_q *rxq)
+{
+	if (rxq->next_to_clean > rxq->next_to_use)
+		return rxq->next_to_clean - rxq->next_to_use - 1;
+
+	return rxq->rx_ring_size + rxq->next_to_clean - rxq->next_to_use - 1;
+}
+
+static inline u32 gfar_rxbd_dma_lastfree(struct gfar_priv_rx_q *rxq)
+{
+	struct rxbd8 *bdp;
+	u32 bdp_dma;
+	int i;
+
+	i = rxq->next_to_use ? rxq->next_to_use - 1 : rxq->rx_ring_size - 1;
+	bdp = &rxq->rx_bd_base[i];
+	bdp_dma = lower_32_bits(rxq->rx_bd_dma_base);
+	bdp_dma += (uintptr_t)bdp - (uintptr_t)rxq->rx_bd_base;
+
+	return bdp_dma;
+}
+
+int startup_gfar(struct net_device *dev);
+void stop_gfar(struct net_device *dev);
+void gfar_mac_reset(struct gfar_private *priv);
+int gfar_set_features(struct net_device *dev, netdev_features_t features);
+
+extern const struct ethtool_ops gfar_ethtool_ops;
+
+#define MAX_FILER_CACHE_IDX (2*(MAX_FILER_IDX))
+
+#define RQFCR_PID_PRI_MASK 0xFFFFFFF8
+#define RQFCR_PID_L4P_MASK 0xFFFFFF00
+#define RQFCR_PID_VID_MASK 0xFFFFF000
+#define RQFCR_PID_PORT_MASK 0xFFFF0000
+#define RQFCR_PID_MAC_MASK 0xFF000000
+
+/* Represents a receive filer table entry */
+struct gfar_filer_entry {
+	u32 ctrl;
+	u32 prop;
+};
+
+
+/* The 20 additional entries are a shadow for one extra element */
+struct filer_table {
+	u32 index;
+	struct gfar_filer_entry fe[MAX_FILER_CACHE_IDX + 20];
+};
+
+#endif /* __GIANFAR_H */