drivers/net/ixgb/ixgb_hw.h

/*******************************************************************************

  Intel PRO/10GbE Linux driver
  Copyright(c) 1999 - 2008 Intel Corporation.

  This program is free software; you can redistribute it and/or modify it
  under the terms and conditions of the GNU General Public License,
  version 2, as published by the Free Software Foundation.

  This program is distributed in the hope it will be useful, but WITHOUT
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  more details.

  You should have received a copy of the GNU General Public License along with
  this program; if not, write to the Free Software Foundation, Inc.,
  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.

  The full GNU General Public License is included in this distribution in
  the file called "COPYING".

  Contact Information:
  Linux NICS <linux.nics@intel.com>
  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497

*******************************************************************************/

#ifndef _IXGB_HW_H_
#define _IXGB_HW_H_

#include "ixgb_osdep.h"

/* Enums */
typedef enum {
	ixgb_mac_unknown = 0,
	ixgb_82597,
	ixgb_num_macs
} ixgb_mac_type;

/* Types of physical layer modules */
typedef enum {
	ixgb_phy_type_unknown = 0,
	ixgb_phy_type_g6005,	/* 850nm, MM fiber, XPAK transceiver */
	ixgb_phy_type_g6104,	/* 1310nm, SM fiber, XPAK transceiver */
	ixgb_phy_type_txn17201,	/* 850nm, MM fiber, XPAK transceiver */
	ixgb_phy_type_txn17401,	/* 1310nm, SM fiber, XENPAK transceiver */
	ixgb_phy_type_bcm	/* SUN specific board */
} ixgb_phy_type;

/* XPAK transceiver vendors, for the SR adapters */
typedef enum {
	ixgb_xpak_vendor_intel,
	ixgb_xpak_vendor_infineon
} ixgb_xpak_vendor;

/* Media Types */
typedef enum {
	ixgb_media_type_unknown = 0,
	ixgb_media_type_fiber = 1,
	ixgb_media_type_copper = 2,
	ixgb_num_media_types
} ixgb_media_type;

/* Flow Control Settings */
typedef enum {
	ixgb_fc_none = 0,
	ixgb_fc_rx_pause = 1,
	ixgb_fc_tx_pause = 2,
	ixgb_fc_full = 3,
	ixgb_fc_default = 0xFF
} ixgb_fc_type;

/* PCI bus types */
typedef enum {
	ixgb_bus_type_unknown = 0,
	ixgb_bus_type_pci,
	ixgb_bus_type_pcix
} ixgb_bus_type;

/* PCI bus speeds */
typedef enum {
	ixgb_bus_speed_unknown = 0,
	ixgb_bus_speed_33,
	ixgb_bus_speed_66,
	ixgb_bus_speed_100,
	ixgb_bus_speed_133,
	ixgb_bus_speed_reserved
} ixgb_bus_speed;

/* PCI bus widths */
typedef enum {
	ixgb_bus_width_unknown = 0,
	ixgb_bus_width_32,
	ixgb_bus_width_64
} ixgb_bus_width;

#define IXGB_ETH_LENGTH_OF_ADDRESS   6

#define IXGB_EEPROM_SIZE    64	/* Size in words */

#define SPEED_10000  10000
#define FULL_DUPLEX  2

#define MIN_NUMBER_OF_DESCRIPTORS       8
#define MAX_NUMBER_OF_DESCRIPTORS  0xFFF8	/* 13 bits in RDLEN/TDLEN, 128B aligned     */

#define IXGB_DELAY_BEFORE_RESET        10	/* allow 10ms after idling rx/tx units      */
#define IXGB_DELAY_AFTER_RESET          1	/* allow 1ms after the reset                */
#define IXGB_DELAY_AFTER_EE_RESET      10	/* allow 10ms after the EEPROM reset        */

#define IXGB_DELAY_USECS_AFTER_LINK_RESET    13	/* allow 13 microseconds after the reset    */
					   /* NOTE: this is MICROSECONDS               */
#define MAX_RESET_ITERATIONS            8	/* number of iterations to get things right */

/* General Registers */
#define IXGB_CTRL0   0x00000	/* Device Control Register 0 - RW */
#define IXGB_CTRL1   0x00008	/* Device Control Register 1 - RW */
#define IXGB_STATUS  0x00010	/* Device Status Register - RO */
#define IXGB_EECD    0x00018	/* EEPROM/Flash Control/Data Register - RW */
#define IXGB_MFS     0x00020	/* Maximum Frame Size - RW */

/* Interrupt */
#define IXGB_ICR     0x00080	/* Interrupt Cause Read - R/clr */
#define IXGB_ICS     0x00088	/* Interrupt Cause Set - RW */
#define IXGB_IMS     0x00090	/* Interrupt Mask Set/Read - RW */
#define IXGB_IMC     0x00098	/* Interrupt Mask Clear - WO */

/* Receive */
#define IXGB_RCTL    0x00100	/* RX Control - RW */
#define IXGB_FCRTL   0x00108	/* Flow Control Receive Threshold Low - RW */
#define IXGB_FCRTH   0x00110	/* Flow Control Receive Threshold High - RW */
#define IXGB_RDBAL   0x00118	/* RX Descriptor Base Low - RW */
#define IXGB_RDBAH   0x0011C	/* RX Descriptor Base High - RW */
#define IXGB_RDLEN   0x00120	/* RX Descriptor Length - RW */
#define IXGB_RDH     0x00128	/* RX Descriptor Head - RW */
#define IXGB_RDT     0x00130	/* RX Descriptor Tail - RW */
#define IXGB_RDTR    0x00138	/* RX Delay Timer Ring - RW */
#define IXGB_RXDCTL  0x00140	/* Receive Descriptor Control - RW */
#define IXGB_RAIDC   0x00148	/* Receive Adaptive Interrupt Delay Control - RW */
#define IXGB_RXCSUM  0x00158	/* Receive Checksum Control - RW */
#define IXGB_RA      0x00180	/* Receive Address Array Base - RW */
#define IXGB_RAL     0x00180	/* Receive Address Low [0:15] - RW */
#define IXGB_RAH     0x00184	/* Receive Address High [0:15] - RW */
#define IXGB_MTA     0x00200	/* Multicast Table Array [0:127] - RW */
#define IXGB_VFTA    0x00400	/* VLAN Filter Table Array [0:127] - RW */
#define IXGB_REQ_RX_DESCRIPTOR_MULTIPLE 8

/* Transmit */
#define IXGB_TCTL    0x00600	/* TX Control - RW */
#define IXGB_TDBAL   0x00608	/* TX Descriptor Base Low - RW */
#define IXGB_TDBAH   0x0060C	/* TX Descriptor Base High - RW */
#define IXGB_TDLEN   0x00610	/* TX Descriptor Length - RW */
#define IXGB_TDH     0x00618	/* TX Descriptor Head - RW */
#define IXGB_TDT     0x00620	/* TX Descriptor Tail - RW */
#define IXGB_TIDV    0x00628	/* TX Interrupt Delay Value - RW */
#define IXGB_TXDCTL  0x00630	/* Transmit Descriptor Control - RW */
#define IXGB_TSPMT   0x00638	/* TCP Segmentation PAD & Min Threshold - RW */
#define IXGB_PAP     0x00640	/* Pause and Pace - RW */
#define IXGB_REQ_TX_DESCRIPTOR_MULTIPLE 8

/* Physical */
#define IXGB_PCSC1   0x00700	/* PCS Control 1 - RW */
#define IXGB_PCSC2   0x00708	/* PCS Control 2 - RW */
#define IXGB_PCSS1   0x00710	/* PCS Status 1 - RO */
#define IXGB_PCSS2   0x00718	/* PCS Status 2 - RO */
#define IXGB_XPCSS   0x00720	/* 10GBASE-X PCS Status (or XGXS Lane Status) - RO */
#define IXGB_UCCR    0x00728	/* Unilink Circuit Control Register */
#define IXGB_XPCSTC  0x00730	/* 10GBASE-X PCS Test Control */
#define IXGB_MACA    0x00738	/* MDI Autoscan Command and Address - RW */
#define IXGB_APAE    0x00740	/* Autoscan PHY Address Enable - RW */
#define IXGB_ARD     0x00748	/* Autoscan Read Data - RO */
#define IXGB_AIS     0x00750	/* Autoscan Interrupt Status - RO */
#define IXGB_MSCA    0x00758	/* MDI Single Command and Address - RW */
#define IXGB_MSRWD   0x00760	/* MDI Single Read and Write Data - RW, RO */

/* Wake-up */
#define IXGB_WUFC    0x00808	/* Wake Up Filter Control - RW */
#define IXGB_WUS     0x00810	/* Wake Up Status - RO */
#define IXGB_FFLT    0x01000	/* Flexible Filter Length Table - RW */
#define IXGB_FFMT    0x01020	/* Flexible Filter Mask Table - RW */
#define IXGB_FTVT    0x01420	/* Flexible Filter Value Table - RW */

/* Statistics */
#define IXGB_TPRL    0x02000	/* Total Packets Received (Low) */
#define IXGB_TPRH    0x02004	/* Total Packets Received (High) */
#define IXGB_GPRCL   0x02008	/* Good Packets Received Count (Low) */
#define IXGB_GPRCH   0x0200C	/* Good Packets Received Count (High) */
#define IXGB_BPRCL   0x02010	/* Broadcast Packets Received Count (Low) */
#define IXGB_BPRCH   0x02014	/* Broadcast Packets Received Count (High) */
#define IXGB_MPRCL   0x02018	/* Multicast Packets Received Count (Low) */
#define IXGB_MPRCH   0x0201C	/* Multicast Packets Received Count (High) */
#define IXGB_UPRCL   0x02020	/* Unicast Packets Received Count (Low) */
#define IXGB_UPRCH   0x02024	/* Unicast Packets Received Count (High) */
#define IXGB_VPRCL   0x02028	/* VLAN Packets Received Count (Low) */
#define IXGB_VPRCH   0x0202C	/* VLAN Packets Received Count (High) */
#define IXGB_JPRCL   0x02030	/* Jumbo Packets Received Count (Low) */
#define IXGB_JPRCH   0x02034	/* Jumbo Packets Received Count (High) */
#define IXGB_GORCL   0x02038	/* Good Octets Received Count (Low) */
#define IXGB_GORCH   0x0203C	/* Good Octets Received Count (High) */
#define IXGB_TORL    0x02040	/* Total Octets Received (Low) */
#define IXGB_TORH    0x02044	/* Total Octets Received (High) */
#define IXGB_RNBC    0x02048	/* Receive No Buffers Count */
#define IXGB_RUC     0x02050	/* Receive Undersize Count */
#define IXGB_ROC     0x02058	/* Receive Oversize Count */
#define IXGB_RLEC    0x02060	/* Receive Length Error Count */
#define IXGB_CRCERRS 0x02068	/* CRC Error Count */
#define IXGB_ICBC    0x02070	/* Illegal control byte in mid-packet Count */
#define IXGB_ECBC    0x02078	/* Error Control byte in mid-packet Count */
#define IXGB_MPC     0x02080	/* Missed Packets Count */
#define IXGB_TPTL    0x02100	/* Total Packets Transmitted (Low) */
#define IXGB_TPTH    0x02104	/* Total Packets Transmitted (High) */
#define IXGB_GPTCL   0x02108	/* Good Packets Transmitted Count (Low) */
#define IXGB_GPTCH   0x0210C	/* Good Packets Transmitted Count (High) */
#define IXGB_BPTCL   0x02110	/* Broadcast Packets Transmitted Count (Low) */
#define IXGB_BPTCH   0x02114	/* Broadcast Packets Transmitted Count (High) */
#define IXGB_MPTCL   0x02118	/* Multicast Packets Transmitted Count (Low) */
#define IXGB_MPTCH   0x0211C	/* Multicast Packets Transmitted Count (High) */
#define IXGB_UPTCL   0x02120	/* Unicast Packets Transmitted Count (Low) */
#define IXGB_UPTCH   0x02124	/* Unicast Packets Transmitted Count (High) */
#define IXGB_VPTCL   0x02128	/* VLAN Packets Transmitted Count (Low) */
#define IXGB_VPTCH   0x0212C	/* VLAN Packets Transmitted Count (High) */
#define IXGB_JPTCL   0x02130	/* Jumbo Packets Transmitted Count (Low) */
#define IXGB_JPTCH   0x02134	/* Jumbo Packets Transmitted Count (High) */
#define IXGB_GOTCL   0x02138	/* Good Octets Transmitted Count (Low) */
#define IXGB_GOTCH   0x0213C	/* Good Octets Transmitted Count (High) */
#define IXGB_TOTL    0x02140	/* Total Octets Transmitted Count (Low) */
#define IXGB_TOTH    0x02144	/* Total Octets Transmitted Count (High) */
#define IXGB_DC      0x02148	/* Defer Count */
#define IXGB_PLT64C  0x02150	/* Packet Transmitted was less than 64 bytes Count */
#define IXGB_TSCTC   0x02170	/* TCP Segmentation Context Transmitted Count */
#define IXGB_TSCTFC  0x02178	/* TCP Segmentation Context Tx Fail Count */
#define IXGB_IBIC    0x02180	/* Illegal byte during Idle stream count */
#define IXGB_RFC     0x02188	/* Remote Fault Count */
#define IXGB_LFC     0x02190	/* Local Fault Count */
#define IXGB_PFRC    0x02198	/* Pause Frame Receive Count */
#define IXGB_PFTC    0x021A0	/* Pause Frame Transmit Count */
#define IXGB_MCFRC   0x021A8	/* MAC Control Frames (non-Pause) Received Count */
#define IXGB_MCFTC   0x021B0	/* MAC Control Frames (non-Pause) Transmitted Count */
#define IXGB_XONRXC  0x021B8	/* XON Received Count */
#define IXGB_XONTXC  0x021C0	/* XON Transmitted Count */
#define IXGB_XOFFRXC 0x021C8	/* XOFF Received Count */
#define IXGB_XOFFTXC 0x021D0	/* XOFF Transmitted Count */
#define IXGB_RJC     0x021D8	/* Receive Jabber Count */

/* CTRL0 Bit Masks */
#define IXGB_CTRL0_LRST     0x00000008
#define IXGB_CTRL0_JFE      0x00000010
#define IXGB_CTRL0_XLE      0x00000020
#define IXGB_CTRL0_MDCS     0x00000040
#define IXGB_CTRL0_CMDC     0x00000080
#define IXGB_CTRL0_SDP0     0x00040000
#define IXGB_CTRL0_SDP1     0x00080000
#define IXGB_CTRL0_SDP2     0x00100000
#define IXGB_CTRL0_SDP3     0x00200000
#define IXGB_CTRL0_SDP0_DIR 0x00400000
#define IXGB_CTRL0_SDP1_DIR 0x00800000
#define IXGB_CTRL0_SDP2_DIR 0x01000000
#define IXGB_CTRL0_SDP3_DIR 0x02000000
#define IXGB_CTRL0_RST      0x04000000
#define IXGB_CTRL0_RPE      0x08000000
#define IXGB_CTRL0_TPE      0x10000000
#define IXGB_CTRL0_VME      0x40000000

/* CTRL1 Bit Masks */
#define IXGB_CTRL1_GPI0_EN     0x00000001
#define IXGB_CTRL1_GPI1_EN     0x00000002
#define IXGB_CTRL1_GPI2_EN     0x00000004
#define IXGB_CTRL1_GPI3_EN     0x00000008
#define IXGB_CTRL1_SDP4        0x00000010
#define IXGB_CTRL1_SDP5        0x00000020
#define IXGB_CTRL1_SDP6        0x00000040
#define IXGB_CTRL1_SDP7        0x00000080
#define IXGB_CTRL1_SDP4_DIR    0x00000100
#define IXGB_CTRL1_SDP5_DIR    0x00000200
#define IXGB_CTRL1_SDP6_DIR    0x00000400
#define IXGB_CTRL1_SDP7_DIR    0x00000800
#define IXGB_CTRL1_EE_RST      0x00002000
#define IXGB_CTRL1_RO_DIS      0x00020000
#define IXGB_CTRL1_PCIXHM_MASK 0x00C00000
#define IXGB_CTRL1_PCIXHM_1_2  0x00000000
#define IXGB_CTRL1_PCIXHM_5_8  0x00400000
#define IXGB_CTRL1_PCIXHM_3_4  0x00800000
#define IXGB_CTRL1_PCIXHM_7_8  0x00C00000

/* STATUS Bit Masks */
#define IXGB_STATUS_LU            0x00000002
#define IXGB_STATUS_AIP           0x00000004
#define IXGB_STATUS_TXOFF         0x00000010
#define IXGB_STATUS_XAUIME        0x00000020
#define IXGB_STATUS_RES           0x00000040
#define IXGB_STATUS_RIS           0x00000080
#define IXGB_STATUS_RIE           0x00000100
#define IXGB_STATUS_RLF           0x00000200
#define IXGB_STATUS_RRF           0x00000400
#define IXGB_STATUS_PCI_SPD       0x00000800
#define IXGB_STATUS_BUS64         0x00001000
#define IXGB_STATUS_PCIX_MODE     0x00002000
#define IXGB_STATUS_PCIX_SPD_MASK 0x0000C000
#define IXGB_STATUS_PCIX_SPD_66   0x00000000
#define IXGB_STATUS_PCIX_SPD_100  0x00004000
#define IXGB_STATUS_PCIX_SPD_133  0x00008000
#define IXGB_STATUS_REV_ID_MASK   0x000F0000
#define IXGB_STATUS_REV_ID_SHIFT  16

/* EECD Bit Masks */
#define IXGB_EECD_SK       0x00000001
#define IXGB_EECD_CS       0x00000002
#define IXGB_EECD_DI       0x00000004
#define IXGB_EECD_DO       0x00000008
#define IXGB_EECD_FWE_MASK 0x00000030
#define IXGB_EECD_FWE_DIS  0x00000010
#define IXGB_EECD_FWE_EN   0x00000020

/* MFS */
#define IXGB_MFS_SHIFT 16

/* Interrupt Register Bit Masks (used for ICR, ICS, IMS, and IMC) */
#define IXGB_INT_TXDW     0x00000001
#define IXGB_INT_TXQE     0x00000002
#define IXGB_INT_LSC      0x00000004
#define IXGB_INT_RXSEQ    0x00000008
#define IXGB_INT_RXDMT0   0x00000010
#define IXGB_INT_RXO      0x00000040
#define IXGB_INT_RXT0     0x00000080
#define IXGB_INT_AUTOSCAN 0x00000200
#define IXGB_INT_GPI0     0x00000800
#define IXGB_INT_GPI1     0x00001000
#define IXGB_INT_GPI2     0x00002000
#define IXGB_INT_GPI3     0x00004000

/* RCTL Bit Masks */
#define IXGB_RCTL_RXEN        0x00000002
#define IXGB_RCTL_SBP         0x00000004
#define IXGB_RCTL_UPE         0x00000008
#define IXGB_RCTL_MPE         0x00000010
#define IXGB_RCTL_RDMTS_MASK  0x00000300
#define IXGB_RCTL_RDMTS_1_2   0x00000000
#define IXGB_RCTL_RDMTS_1_4   0x00000100
#define IXGB_RCTL_RDMTS_1_8   0x00000200
#define IXGB_RCTL_MO_MASK     0x00003000
#define IXGB_RCTL_MO_47_36    0x00000000
#define IXGB_RCTL_MO_46_35    0x00001000
#define IXGB_RCTL_MO_45_34    0x00002000
#define IXGB_RCTL_MO_43_32    0x00003000
#define IXGB_RCTL_MO_SHIFT    12
#define IXGB_RCTL_BAM         0x00008000
#define IXGB_RCTL_BSIZE_MASK  0x00030000
#define IXGB_RCTL_BSIZE_2048  0x00000000
#define IXGB_RCTL_BSIZE_4096  0x00010000
#define IXGB_RCTL_BSIZE_8192  0x00020000
#define IXGB_RCTL_BSIZE_16384 0x00030000
#define IXGB_RCTL_VFE         0x00040000
#define IXGB_RCTL_CFIEN       0x00080000
#define IXGB_RCTL_CFI         0x00100000
#define IXGB_RCTL_RPDA_MASK   0x00600000
#define IXGB_RCTL_RPDA_MC_MAC 0x00000000
#define IXGB_RCTL_MC_ONLY     0x00400000
#define IXGB_RCTL_CFF         0x00800000
#define IXGB_RCTL_SECRC       0x04000000
#define IXGB_RDT_FPDB         0x80000000

#define IXGB_RCTL_IDLE_RX_UNIT 0

/* FCRTL Bit Masks */
#define IXGB_FCRTL_XONE       0x80000000

/* RXDCTL Bit Masks */
#define IXGB_RXDCTL_PTHRESH_MASK  0x000001FF
#define IXGB_RXDCTL_PTHRESH_SHIFT 0
#define IXGB_RXDCTL_HTHRESH_MASK  0x0003FE00
#define IXGB_RXDCTL_HTHRESH_SHIFT 9
#define IXGB_RXDCTL_WTHRESH_MASK  0x07FC0000
#define IXGB_RXDCTL_WTHRESH_SHIFT 18

/* RAIDC Bit Masks */
#define IXGB_RAIDC_HIGHTHRS_MASK 0x0000003F
#define IXGB_RAIDC_DELAY_MASK    0x000FF800
#define IXGB_RAIDC_DELAY_SHIFT   11
#define IXGB_RAIDC_POLL_MASK     0x1FF00000
#define IXGB_RAIDC_POLL_SHIFT    20
#define IXGB_RAIDC_RXT_GATE      0x40000000
#define IXGB_RAIDC_EN            0x80000000

#define IXGB_RAIDC_POLL_1000_INTERRUPTS_PER_SECOND      1220
#define IXGB_RAIDC_POLL_5000_INTERRUPTS_PER_SECOND      244
#define IXGB_RAIDC_POLL_10000_INTERRUPTS_PER_SECOND     122
#define IXGB_RAIDC_POLL_20000_INTERRUPTS_PER_SECOND     61

/* RXCSUM Bit Masks */
#define IXGB_RXCSUM_IPOFL 0x00000100
#define IXGB_RXCSUM_TUOFL 0x00000200

/* RAH Bit Masks */
#define IXGB_RAH_ASEL_MASK 0x00030000
#define IXGB_RAH_ASEL_DEST 0x00000000
#define IXGB_RAH_ASEL_SRC  0x00010000
#define IXGB_RAH_AV        0x80000000

/* TCTL Bit Masks */
#define IXGB_TCTL_TCE  0x00000001
#define IXGB_TCTL_TXEN 0x00000002
#define IXGB_TCTL_TPDE 0x00000004

#define IXGB_TCTL_IDLE_TX_UNIT  0

/* TXDCTL Bit Masks */
#define IXGB_TXDCTL_PTHRESH_MASK  0x0000007F
#define IXGB_TXDCTL_HTHRESH_MASK  0x00007F00
#define IXGB_TXDCTL_HTHRESH_SHIFT 8
#define IXGB_TXDCTL_WTHRESH_MASK  0x007F0000
#define IXGB_TXDCTL_WTHRESH_SHIFT 16

/* TSPMT Bit Masks */
#define IXGB_TSPMT_TSMT_MASK   0x0000FFFF
#define IXGB_TSPMT_TSPBP_MASK  0xFFFF0000
#define IXGB_TSPMT_TSPBP_SHIFT 16

/* PAP Bit Masks */
#define IXGB_PAP_TXPC_MASK 0x0000FFFF
#define IXGB_PAP_TXPV_MASK 0x000F0000
#define IXGB_PAP_TXPV_10G  0x00000000
#define IXGB_PAP_TXPV_1G   0x00010000
#define IXGB_PAP_TXPV_2G   0x00020000
#define IXGB_PAP_TXPV_3G   0x00030000
#define IXGB_PAP_TXPV_4G   0x00040000
#define IXGB_PAP_TXPV_5G   0x00050000
#define IXGB_PAP_TXPV_6G   0x00060000
#define IXGB_PAP_TXPV_7G   0x00070000
#define IXGB_PAP_TXPV_8G   0x00080000
#define IXGB_PAP_TXPV_9G   0x00090000
#define IXGB_PAP_TXPV_WAN  0x000F0000

/* PCSC1 Bit Masks */
#define IXGB_PCSC1_LOOPBACK 0x00004000

/* PCSC2 Bit Masks */
#define IXGB_PCSC2_PCS_TYPE_MASK  0x00000003
#define IXGB_PCSC2_PCS_TYPE_10GBX 0x00000001

/* PCSS1 Bit Masks */
#define IXGB_PCSS1_LOCAL_FAULT    0x00000080
#define IXGB_PCSS1_RX_LINK_STATUS 0x00000004

/* PCSS2 Bit Masks */
#define IXGB_PCSS2_DEV_PRES_MASK 0x0000C000
#define IXGB_PCSS2_DEV_PRES      0x00004000
#define IXGB_PCSS2_TX_LF         0x00000800
#define IXGB_PCSS2_RX_LF         0x00000400
#define IXGB_PCSS2_10GBW         0x00000004
#define IXGB_PCSS2_10GBX         0x00000002
#define IXGB_PCSS2_10GBR         0x00000001

/* XPCSS Bit Masks */
#define IXGB_XPCSS_ALIGN_STATUS 0x00001000
#define IXGB_XPCSS_PATTERN_TEST 0x00000800
#define IXGB_XPCSS_LANE_3_SYNC  0x00000008
#define IXGB_XPCSS_LANE_2_SYNC  0x00000004
#define IXGB_XPCSS_LANE_1_SYNC  0x00000002
#define IXGB_XPCSS_LANE_0_SYNC  0x00000001

/* XPCSTC Bit Masks */
#define IXGB_XPCSTC_BERT_TRIG       0x00200000
#define IXGB_XPCSTC_BERT_SST        0x00100000
#define IXGB_XPCSTC_BERT_PSZ_MASK   0x000C0000
#define IXGB_XPCSTC_BERT_PSZ_SHIFT  17
#define IXGB_XPCSTC_BERT_PSZ_INF    0x00000003
#define IXGB_XPCSTC_BERT_PSZ_68     0x00000001
#define IXGB_XPCSTC_BERT_PSZ_1028   0x00000000

/* MSCA bit Masks */
/* New Protocol Address */
#define IXGB_MSCA_NP_ADDR_MASK      0x0000FFFF
#define IXGB_MSCA_NP_ADDR_SHIFT     0
/* Either Device Type or Register Address,depending on ST_CODE */
#define IXGB_MSCA_DEV_TYPE_MASK     0x001F0000
#define IXGB_MSCA_DEV_TYPE_SHIFT    16
#define IXGB_MSCA_PHY_ADDR_MASK     0x03E00000
#define IXGB_MSCA_PHY_ADDR_SHIFT    21
#define IXGB_MSCA_OP_CODE_MASK      0x0C000000
/* OP_CODE == 00, Address cycle, New Protocol           */
/* OP_CODE == 01, Write operation                       */
/* OP_CODE == 10, Read operation                        */
/* OP_CODE == 11, Read, auto increment, New Protocol    */
#define IXGB_MSCA_ADDR_CYCLE        0x00000000
#define IXGB_MSCA_WRITE             0x04000000
#define IXGB_MSCA_READ              0x08000000
#define IXGB_MSCA_READ_AUTOINC      0x0C000000
#define IXGB_MSCA_OP_CODE_SHIFT     26
#define IXGB_MSCA_ST_CODE_MASK      0x30000000
/* ST_CODE == 00, New Protocol  */
/* ST_CODE == 01, Old Protocol  */
#define IXGB_MSCA_NEW_PROTOCOL      0x00000000
#define IXGB_MSCA_OLD_PROTOCOL      0x10000000
#define IXGB_MSCA_ST_CODE_SHIFT     28
/* Initiate command, self-clearing when command completes */
#define IXGB_MSCA_MDI_COMMAND       0x40000000
/*MDI In Progress Enable. */
#define IXGB_MSCA_MDI_IN_PROG_EN    0x80000000

/* MSRWD bit masks */
#define IXGB_MSRWD_WRITE_DATA_MASK  0x0000FFFF
#define IXGB_MSRWD_WRITE_DATA_SHIFT 0
#define IXGB_MSRWD_READ_DATA_MASK   0xFFFF0000
#define IXGB_MSRWD_READ_DATA_SHIFT  16

/* Definitions for the optics devices on the MDIO bus. */
#define IXGB_PHY_ADDRESS             0x0	/* Single PHY, multiple "Devices" */

/* Standard five-bit Device IDs.  See IEEE 802.3ae, clause 45 */
#define MDIO_PMA_PMD_DID        0x01
#define MDIO_WIS_DID            0x02
#define MDIO_PCS_DID            0x03
#define MDIO_XGXS_DID           0x04

/* Standard PMA/PMD registers and bit definitions. */
/* Note: This is a very limited set of definitions,      */
/* only implemented features are defined.                */
#define MDIO_PMA_PMD_CR1        0x0000
#define MDIO_PMA_PMD_CR1_RESET  0x8000

#define MDIO_PMA_PMD_XPAK_VENDOR_NAME       0x803A	/* XPAK/XENPAK devices only */

/* Vendor-specific MDIO registers */
#define G6XXX_PMA_PMD_VS1                   0xC001	/* Vendor-specific register */
#define G6XXX_XGXS_XAUI_VS2                 0x18	/* Vendor-specific register */

#define G6XXX_PMA_PMD_VS1_PLL_RESET         0x80
#define G6XXX_PMA_PMD_VS1_REMOVE_PLL_RESET  0x00
#define G6XXX_XGXS_XAUI_VS2_INPUT_MASK      0x0F	/* XAUI lanes synchronized */

/* Layout of a single receive descriptor.  The controller assumes that this
 * structure is packed into 16 bytes, which is a safe assumption with most
 * compilers.  However, some compilers may insert padding between the fields,
 * in which case the structure must be packed in some compiler-specific
 * manner. */
struct ixgb_rx_desc {
	__le64 buff_addr;
	__le16 length;
	__le16 reserved;
	u8 status;
	u8 errors;
	__le16 special;
};

#define IXGB_RX_DESC_STATUS_DD    0x01
#define IXGB_RX_DESC_STATUS_EOP   0x02
#define IXGB_RX_DESC_STATUS_IXSM  0x04
#define IXGB_RX_DESC_STATUS_VP    0x08
#define IXGB_RX_DESC_STATUS_TCPCS 0x20
#define IXGB_RX_DESC_STATUS_IPCS  0x40
#define IXGB_RX_DESC_STATUS_PIF   0x80

#define IXGB_RX_DESC_ERRORS_CE   0x01
#define IXGB_RX_DESC_ERRORS_SE   0x02
#define IXGB_RX_DESC_ERRORS_P    0x08
#define IXGB_RX_DESC_ERRORS_TCPE 0x20
#define IXGB_RX_DESC_ERRORS_IPE  0x40
#define IXGB_RX_DESC_ERRORS_RXE  0x80

#define IXGB_RX_DESC_SPECIAL_VLAN_MASK  0x0FFF	/* VLAN ID is in lower 12 bits */
#define IXGB_RX_DESC_SPECIAL_PRI_MASK   0xE000	/* Priority is in upper 3 bits */
#define IXGB_RX_DESC_SPECIAL_PRI_SHIFT  0x000D	/* Priority is in upper 3 of 16 */

/* Layout of a single transmit descriptor.  The controller assumes that this
 * structure is packed into 16 bytes, which is a safe assumption with most
 * compilers.  However, some compilers may insert padding between the fields,
 * in which case the structure must be packed in some compiler-specific
 * manner. */
struct ixgb_tx_desc {
	__le64 buff_addr;
	__le32 cmd_type_len;
	u8 status;
	u8 popts;
	__le16 vlan;
};

#define IXGB_TX_DESC_LENGTH_MASK    0x000FFFFF
#define IXGB_TX_DESC_TYPE_MASK      0x00F00000
#define IXGB_TX_DESC_TYPE_SHIFT     20
#define IXGB_TX_DESC_CMD_MASK       0xFF000000
#define IXGB_TX_DESC_CMD_SHIFT      24
#define IXGB_TX_DESC_CMD_EOP        0x01000000
#define IXGB_TX_DESC_CMD_TSE        0x04000000
#define IXGB_TX_DESC_CMD_RS         0x08000000
#define IXGB_TX_DESC_CMD_VLE        0x40000000
#define IXGB_TX_DESC_CMD_IDE        0x80000000

#define IXGB_TX_DESC_TYPE           0x00100000

#define IXGB_TX_DESC_STATUS_DD  0x01

#define IXGB_TX_DESC_POPTS_IXSM 0x01
#define IXGB_TX_DESC_POPTS_TXSM 0x02
#define IXGB_TX_DESC_SPECIAL_PRI_SHIFT  IXGB_RX_DESC_SPECIAL_PRI_SHIFT	/* Priority is in upper 3 of 16 */

struct ixgb_context_desc {
	u8 ipcss;
	u8 ipcso;
	__le16 ipcse;
	u8 tucss;
	u8 tucso;
	__le16 tucse;
	__le32 cmd_type_len;
	u8 status;
	u8 hdr_len;
	__le16 mss;
};

#define IXGB_CONTEXT_DESC_CMD_TCP 0x01000000
#define IXGB_CONTEXT_DESC_CMD_IP  0x02000000
#define IXGB_CONTEXT_DESC_CMD_TSE 0x04000000
#define IXGB_CONTEXT_DESC_CMD_RS  0x08000000
#define IXGB_CONTEXT_DESC_CMD_IDE 0x80000000

#define IXGB_CONTEXT_DESC_TYPE 0x00000000

#define IXGB_CONTEXT_DESC_STATUS_DD 0x01

/* Filters */
#define IXGB_MC_TBL_SIZE          128	/* Multicast Filter Table (4096 bits) */
#define IXGB_VLAN_FILTER_TBL_SIZE 128	/* VLAN Filter Table (4096 bits) */
#define IXGB_RAR_ENTRIES		  3	/* Number of entries in Rx Address array */

#define IXGB_MEMORY_REGISTER_BASE_ADDRESS   0
#define ENET_HEADER_SIZE			14
#define ENET_FCS_LENGTH			 4
#define IXGB_MAX_NUM_MULTICAST_ADDRESSES	128
#define IXGB_MIN_ENET_FRAME_SIZE_WITHOUT_FCS	60
#define IXGB_MAX_ENET_FRAME_SIZE_WITHOUT_FCS	1514
#define IXGB_MAX_JUMBO_FRAME_SIZE		0x3F00

/* Phy Addresses */
#define IXGB_OPTICAL_PHY_ADDR 0x0	/* Optical Module phy address */
#define IXGB_XAUII_PHY_ADDR   0x1	/* Xauii transceiver phy address */
#define IXGB_DIAG_PHY_ADDR    0x1F	/* Diagnostic Device phy address */

/* This structure takes a 64k flash and maps it for identification commands */
struct ixgb_flash_buffer {
	u8 manufacturer_id;
	u8 device_id;
	u8 filler1[0x2AA8];
	u8 cmd2;
	u8 filler2[0x2AAA];
	u8 cmd1;
	u8 filler3[0xAAAA];
};

/*
 * This is a little-endian specific check.
 */
#define IS_MULTICAST(Address) \
    (bool)(((u8 *)(Address))[0] & ((u8)0x01))

/*
 * Check whether an address is broadcast.
 */
#define IS_BROADCAST(Address)               \
    ((((u8 *)(Address))[0] == ((u8)0xff)) && (((u8 *)(Address))[1] == ((u8)0xff)))

/* Flow control parameters */
struct ixgb_fc {
	u32 high_water;	/* Flow Control High-water          */
	u32 low_water;	/* Flow Control Low-water           */
	u16 pause_time;	/* Flow Control Pause timer         */
	bool send_xon;		/* Flow control send XON            */
	ixgb_fc_type type;	/* Type of flow control             */
};

/* The historical defaults for the flow control values are given below. */
#define FC_DEFAULT_HI_THRESH        (0x8000)	/* 32KB */
#define FC_DEFAULT_LO_THRESH        (0x4000)	/* 16KB */
#define FC_DEFAULT_TX_TIMER         (0x100)	/* ~130 us */

/* Phy definitions */
#define IXGB_MAX_PHY_REG_ADDRESS    0xFFFF
#define IXGB_MAX_PHY_ADDRESS        31
#define IXGB_MAX_PHY_DEV_TYPE       31

/* Bus parameters */
struct ixgb_bus {
	ixgb_bus_speed speed;
	ixgb_bus_width width;
	ixgb_bus_type type;
};

struct ixgb_hw {
	u8 __iomem *hw_addr;/* Base Address of the hardware     */
	void *back;		/* Pointer to OS-dependent struct   */
	struct ixgb_fc fc;	/* Flow control parameters          */
	struct ixgb_bus bus;	/* Bus parameters                   */
	u32 phy_id;	/* Phy Identifier                   */
	u32 phy_addr;	/* XGMII address of Phy             */
	ixgb_mac_type mac_type;	/* Identifier for MAC controller    */
	ixgb_phy_type phy_type;	/* Transceiver/phy identifier       */
	u32 max_frame_size;	/* Maximum frame size supported     */
	u32 mc_filter_type;	/* Multicast filter hash type       */
	u32 num_mc_addrs;	/* Number of current Multicast addrs */
	u8 curr_mac_addr[IXGB_ETH_LENGTH_OF_ADDRESS];	/* Individual address currently programmed in MAC */
	u32 num_tx_desc;	/* Number of Transmit descriptors   */
	u32 num_rx_desc;	/* Number of Receive descriptors    */
	u32 rx_buffer_size;	/* Size of Receive buffer           */
	bool link_up;		/* true if link is valid            */
	bool adapter_stopped;	/* State of adapter                 */
	u16 device_id;	/* device id from PCI configuration space */
	u16 vendor_id;	/* vendor id from PCI configuration space */
	u8 revision_id;	/* revision id from PCI configuration space */
	u16 subsystem_vendor_id;	/* subsystem vendor id from PCI configuration space */
	u16 subsystem_id;	/* subsystem id from PCI configuration space */
	u32 bar0;		/* Base Address registers           */
	u32 bar1;
	u32 bar2;
	u32 bar3;
	u16 pci_cmd_word;	/* PCI command register id from PCI configuration space */
	__le16 eeprom[IXGB_EEPROM_SIZE];	/* EEPROM contents read at init time  */
	unsigned long io_base;	/* Our I/O mapped location */
	u32 lastLFC;
	u32 lastRFC;
};

/* Statistics reported by the hardware */
struct ixgb_hw_stats {
	u64 tprl;
	u64 tprh;
	u64 gprcl;
	u64 gprch;
	u64 bprcl;
	u64 bprch;
	u64 mprcl;
	u64 mprch;
	u64 uprcl;
	u64 uprch;
	u64 vprcl;
	u64 vprch;
	u64 jprcl;
	u64 jprch;
	u64 gorcl;
	u64 gorch;
	u64 torl;
	u64 torh;
	u64 rnbc;
	u64 ruc;
	u64 roc;
	u64 rlec;
	u64 crcerrs;
	u64 icbc;
	u64 ecbc;
	u64 mpc;
	u64 tptl;
	u64 tpth;
	u64 gptcl;
	u64 gptch;
	u64 bptcl;
	u64 bptch;
	u64 mptcl;
	u64 mptch;
	u64 uptcl;
	u64 uptch;
	u64 vptcl;
	u64 vptch;
	u64 jptcl;
	u64 jptch;
	u64 gotcl;
	u64 gotch;
	u64 totl;
	u64 toth;
	u64 dc;
	u64 plt64c;
	u64 tsctc;
	u64 tsctfc;
	u64 ibic;
	u64 rfc;
	u64 lfc;
	u64 pfrc;
	u64 pftc;
	u64 mcfrc;
	u64 mcftc;
	u64 xonrxc;
	u64 xontxc;
	u64 xoffrxc;
	u64 xofftxc;
	u64 rjc;
};

/* Function Prototypes */
extern bool ixgb_adapter_stop(struct ixgb_hw *hw);
extern bool ixgb_init_hw(struct ixgb_hw *hw);
extern bool ixgb_adapter_start(struct ixgb_hw *hw);
extern void ixgb_check_for_link(struct ixgb_hw *hw);
extern bool ixgb_check_for_bad_link(struct ixgb_hw *hw);

extern void ixgb_rar_set(struct ixgb_hw *hw,
				u8 *addr,
				u32 index);


/* Filters (multicast, vlan, receive) */
extern void ixgb_mc_addr_list_update(struct ixgb_hw *hw,
				   u8 *mc_addr_list,
				   u32 mc_addr_count,
				   u32 pad);

/* Vfta functions */
extern void ixgb_write_vfta(struct ixgb_hw *hw,
				 u32 offset,
				 u32 value);

/* Access functions to eeprom data */
void ixgb_get_ee_mac_addr(struct ixgb_hw *hw, u8 *mac_addr);
u32 ixgb_get_ee_pba_number(struct ixgb_hw *hw);
u16 ixgb_get_ee_device_id(struct ixgb_hw *hw);
bool ixgb_get_eeprom_data(struct ixgb_hw *hw);
__le16 ixgb_get_eeprom_word(struct ixgb_hw *hw, u16 index);

/* Everything else */
void ixgb_led_on(struct ixgb_hw *hw);
void ixgb_led_off(struct ixgb_hw *hw);
void ixgb_write_pci_cfg(struct ixgb_hw *hw,
			 u32 reg,
			 u16 * value);


#endif /* _IXGB_HW_H_ */