e1000_hw.h

82546千兆网卡驱动程序,支持该系列所有芯片

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

  Intel PRO/1000 Linux driver
  Copyright(c) 1999 - 2006 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 <[e-mail]>
  e1000-devel Mailing List <[e-mail]>
  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497

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

/* e1000_hw.h
 * Structures, enums, and macros for the MAC
 */

#ifndef _E1000_HW_H_
#define _E1000_HW_H_

#include "e1000_osdep.h"


/* Forward declarations of structures used by the shared code */
struct e1000_hw;
struct e1000_hw_stats;

/* Enumerated types specific to the e1000 hardware */
/* Media Access Controlers */
typedef enum {
    e1000_undefined = 0,
    e1000_82542_rev2_0,
    e1000_82542_rev2_1,
    e1000_82543,
    e1000_82544,
    e1000_82540,
    e1000_82545,
    e1000_82545_rev_3,
    e1000_82546,
    e1000_82546_rev_3,
    e1000_82541,
    e1000_82541_rev_2,
    e1000_82547,
    e1000_82547_rev_2,
    e1000_82571,
    e1000_82572,
    e1000_82573,
    e1000_80003es2lan,
    e1000_ich8lan,
    e1000_num_macs
} e1000_mac_type;

typedef enum {
    e1000_eeprom_uninitialized = 0,
    e1000_eeprom_spi,
    e1000_eeprom_microwire,
    e1000_eeprom_flash,
    e1000_eeprom_ich8,
    e1000_eeprom_none, /* No NVM support */
    e1000_num_eeprom_types
} e1000_eeprom_type;

/* Media Types */
typedef enum {
    e1000_media_type_copper = 0,
    e1000_media_type_fiber = 1,
    e1000_media_type_internal_serdes = 2,
    e1000_num_media_types
} e1000_media_type;

typedef enum {
    e1000_10_half = 0,
    e1000_10_full = 1,
    e1000_100_half = 2,
    e1000_100_full = 3
} e1000_speed_duplex_type;

struct e1000_shadow_ram {
    uint16_t    eeprom_word;
    boolean_t   modified;
};

/* PCI bus types */
typedef enum {
    e1000_bus_type_unknown = 0,
    e1000_bus_type_pci,
    e1000_bus_type_pcix,
    e1000_bus_type_pci_express,
    e1000_bus_type_reserved
} e1000_bus_type;

/* PCI bus speeds */
typedef enum {
    e1000_bus_speed_unknown = 0,
    e1000_bus_speed_33,
    e1000_bus_speed_66,
    e1000_bus_speed_100,
    e1000_bus_speed_120,
    e1000_bus_speed_133,
    e1000_bus_speed_2500,
    e1000_bus_speed_reserved
} e1000_bus_speed;

/* PCI bus widths */
typedef enum {
    e1000_bus_width_unknown = 0,
    e1000_bus_width_32,
    e1000_bus_width_64,
    e1000_bus_width_pciex_1,
    e1000_bus_width_pciex_2,
    e1000_bus_width_pciex_4,
    e1000_bus_width_reserved
} e1000_bus_width;

/* PHY status info structure and supporting enums */
typedef enum {
    e1000_cable_length_50 = 0,
    e1000_cable_length_50_80,
    e1000_cable_length_80_110,
    e1000_cable_length_110_140,
    e1000_cable_length_140,
    e1000_cable_length_undefined = 0xFF
} e1000_cable_length;

typedef enum {
    e1000_gg_cable_length_60 = 0,
    e1000_gg_cable_length_60_115 = 1,
    e1000_gg_cable_length_115_150 = 2,
    e1000_gg_cable_length_150 = 4
} e1000_gg_cable_length;

typedef enum {
    e1000_igp_cable_length_10  = 10,
    e1000_igp_cable_length_20  = 20,
    e1000_igp_cable_length_30  = 30,
    e1000_igp_cable_length_40  = 40,
    e1000_igp_cable_length_50  = 50,
    e1000_igp_cable_length_60  = 60,
    e1000_igp_cable_length_70  = 70,
    e1000_igp_cable_length_80  = 80,
    e1000_igp_cable_length_90  = 90,
    e1000_igp_cable_length_100 = 100,
    e1000_igp_cable_length_110 = 110,
    e1000_igp_cable_length_115 = 115,
    e1000_igp_cable_length_120 = 120,
    e1000_igp_cable_length_130 = 130,
    e1000_igp_cable_length_140 = 140,
    e1000_igp_cable_length_150 = 150,
    e1000_igp_cable_length_160 = 160,
    e1000_igp_cable_length_170 = 170,
    e1000_igp_cable_length_180 = 180
} e1000_igp_cable_length;

typedef enum {
    e1000_10bt_ext_dist_enable_normal = 0,
    e1000_10bt_ext_dist_enable_lower,
    e1000_10bt_ext_dist_enable_undefined = 0xFF
} e1000_10bt_ext_dist_enable;

typedef enum {
    e1000_rev_polarity_normal = 0,
    e1000_rev_polarity_reversed,
    e1000_rev_polarity_undefined = 0xFF
} e1000_rev_polarity;

typedef enum {
    e1000_downshift_normal = 0,
    e1000_downshift_activated,
    e1000_downshift_undefined = 0xFF
} e1000_downshift;

typedef enum {
    e1000_smart_speed_default = 0,
    e1000_smart_speed_on,
    e1000_smart_speed_off
} e1000_smart_speed;

typedef enum {
    e1000_polarity_reversal_enabled = 0,
    e1000_polarity_reversal_disabled,
    e1000_polarity_reversal_undefined = 0xFF
} e1000_polarity_reversal;

typedef enum {
    e1000_auto_x_mode_manual_mdi = 0,
    e1000_auto_x_mode_manual_mdix,
    e1000_auto_x_mode_auto1,
    e1000_auto_x_mode_auto2,
    e1000_auto_x_mode_undefined = 0xFF
} e1000_auto_x_mode;

typedef enum {
    e1000_1000t_rx_status_not_ok = 0,
    e1000_1000t_rx_status_ok,
    e1000_1000t_rx_status_undefined = 0xFF
} e1000_1000t_rx_status;

typedef enum {
    e1000_phy_m88 = 0,
    e1000_phy_igp,
    e1000_phy_igp_2,
    e1000_phy_gg82563,
    e1000_phy_igp_3,
    e1000_phy_ife,
    e1000_phy_undefined = 0xFF
} e1000_phy_type;

typedef enum {
    e1000_ms_hw_default = 0,
    e1000_ms_force_master,
    e1000_ms_force_slave,
    e1000_ms_auto
} e1000_ms_type;

typedef enum {
    e1000_ffe_config_enabled = 0,
    e1000_ffe_config_active,
    e1000_ffe_config_blocked
} e1000_ffe_config;

typedef enum {
    e1000_dsp_config_disabled = 0,
    e1000_dsp_config_enabled,
    e1000_dsp_config_activated,
    e1000_dsp_config_undefined = 0xFF
} e1000_dsp_config;

struct e1000_phy_info {
    e1000_cable_length cable_length;
    e1000_10bt_ext_dist_enable extended_10bt_distance;
    e1000_rev_polarity cable_polarity;
    e1000_downshift downshift;
    e1000_polarity_reversal polarity_correction;
    e1000_auto_x_mode mdix_mode;
    e1000_1000t_rx_status local_rx;
    e1000_1000t_rx_status remote_rx;
};

struct e1000_phy_stats {
    uint32_t idle_errors;
    uint32_t receive_errors;
};

struct e1000_eeprom_info {
    e1000_eeprom_type type;
    uint16_t word_size;
    uint16_t opcode_bits;
    uint16_t address_bits;
    uint16_t delay_usec;
    uint16_t page_size;
    boolean_t use_eerd;
    boolean_t use_eewr;
};

/* Flex ASF Information */
#define E1000_HOST_IF_MAX_SIZE  2048

typedef enum {
    e1000_byte_align = 0,
    e1000_word_align = 1,
    e1000_dword_align = 2
} e1000_align_type;



/* Error Codes */
#define E1000_SUCCESS      0
#define E1000_ERR_EEPROM   1
#define E1000_ERR_PHY      2
#define E1000_ERR_CONFIG   3
#define E1000_ERR_PARAM    4
#define E1000_ERR_MAC_TYPE 5
#define E1000_ERR_PHY_TYPE 6
#define E1000_ERR_RESET   9
#define E1000_ERR_MASTER_REQUESTS_PENDING 10
#define E1000_ERR_HOST_INTERFACE_COMMAND 11
#define E1000_BLK_PHY_RESET   12
#define E1000_ERR_SWFW_SYNC 13

#define E1000_BYTE_SWAP_WORD(_value) ((((_value) & 0x00ff) << 8) | \
                                     (((_value) & 0xff00) >> 8))

/* Function prototypes */
/* Initialization */
int32_t e1000_reset_hw(struct e1000_hw *hw);
int32_t e1000_init_hw(struct e1000_hw *hw);
int32_t e1000_set_mac_type(struct e1000_hw *hw);
void e1000_set_media_type(struct e1000_hw *hw);

/* Link Configuration */
int32_t e1000_setup_link(struct e1000_hw *hw);
int32_t e1000_phy_setup_autoneg(struct e1000_hw *hw);
void e1000_config_collision_dist(struct e1000_hw *hw);
int32_t e1000_check_for_link(struct e1000_hw *hw);
int32_t e1000_get_speed_and_duplex(struct e1000_hw *hw, uint16_t *speed, uint16_t *duplex);
int32_t e1000_force_mac_fc(struct e1000_hw *hw);


/* PHY */
int32_t e1000_read_phy_reg(struct e1000_hw *hw, uint32_t reg_addr, uint16_t *phy_data);
int32_t e1000_write_phy_reg(struct e1000_hw *hw, uint32_t reg_addr, uint16_t data);
int32_t e1000_phy_hw_reset(struct e1000_hw *hw);
int32_t e1000_phy_reset(struct e1000_hw *hw);
int32_t e1000_phy_get_info(struct e1000_hw *hw, struct e1000_phy_info *phy_info);
int32_t e1000_validate_mdi_setting(struct e1000_hw *hw);

void e1000_phy_powerdown_workaround(struct e1000_hw *hw);

/* EEPROM Functions */