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/*******************************************************************************
Copyright(c) 1999 - 2002 Intel Corporation. All rights reserved.
Copyright 2011 Freescale Semiconductor, Inc.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your option)
This program is distributed in the hope that 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
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., 59
Temple Place - Suite 330, Boston, MA 02111-1307, USA.
The full GNU General Public License is included in this distribution in the
file called LICENSE.
Contact Information:
Linux NICS <linux.nics@intel.com>
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 <common.h>
#include <linux/list.h>
#include <malloc.h>
#include <net.h>
#include <netdev.h>
#include <asm/io.h>
#include <pci.h>
#ifdef CONFIG_E1000_SPI
#include <spi.h>
#endif
#define E1000_ERR(NIC, fmt, args...) \
printf("e1000: %s: ERROR: " fmt, (NIC)->name ,##args)
#define E1000_DBG(NIC, fmt, args...) \
printf("e1000: %s: DEBUG: " fmt, (NIC)->name ,##args)
#define DEBUGOUT(fmt, args...) printf(fmt ,##args)
#define DEBUGFUNC() printf("%s\n", __func__);
#define E1000_DBG(HW, args...) do { } while (0)
#define DEBUGFUNC() do { } while (0)
#define DEBUGOUT(fmt, args...) do { } while (0)
/* I/O wrapper functions */
#define E1000_WRITE_REG(a, reg, value) \
writel((value), ((a)->hw_addr + E1000_##reg))
#define E1000_READ_REG(a, reg) \
#define E1000_WRITE_REG_ARRAY(a, reg, offset, value) \
writel((value), ((a)->hw_addr + E1000_##reg + ((offset) << 2)))
#define E1000_READ_REG_ARRAY(a, reg, offset) \
readl((a)->hw_addr + E1000_##reg + ((offset) << 2))
#define E1000_WRITE_FLUSH(a) \
do { E1000_READ_REG(a, STATUS); } while (0)
/* Forward declarations of structures used by the shared code */
struct e1000_hw;
struct e1000_hw_stats;
/* Internal E1000 helper functions */
struct e1000_hw *e1000_find_card(unsigned int cardnum);
int32_t e1000_acquire_eeprom(struct e1000_hw *hw);
void e1000_standby_eeprom(struct e1000_hw *hw);
void e1000_release_eeprom(struct e1000_hw *hw);
void e1000_raise_ee_clk(struct e1000_hw *hw, uint32_t *eecd);
void e1000_lower_ee_clk(struct e1000_hw *hw, uint32_t *eecd);
#ifdef CONFIG_E1000_SPI
int do_e1000_spi(cmd_tbl_t *cmdtp, struct e1000_hw *hw,
int argc, char * const argv[]);
#endif
/* 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_82547,
e1000_82547_rev_2,
e1000_82571,
e1000_82572,
e1000_82573,
e1000_num_macs
} e1000_mac_type;
/* Media Types */
typedef enum {
e1000_media_type_copper = 0,
e1000_media_type_fiber = 1,
e1000_num_media_types
} e1000_media_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;
typedef enum {
e1000_10_half = 0,
e1000_10_full = 1,
e1000_100_half = 2,
e1000_100_full = 3
} e1000_speed_duplex_type;
/* Flow Control Settings */
typedef enum {
e1000_fc_none = 0,
e1000_fc_rx_pause = 1,
e1000_fc_tx_pause = 2,
e1000_fc_full = 3,
e1000_fc_default = 0xFF
} e1000_fc_type;
/* 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
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} 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_133,
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;
/* 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_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_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;
e1000_phy_m88 = 0,
e1000_phy_igp,
e1000_phy_igp_2,
e1000_phy_gg82563,
e1000_phy_igp_3,
e1000_phy_ife,
struct e1000_phy_info {
e1000_cable_length cable_length;
e1000_10bt_ext_dist_enable extended_10bt_distance;
e1000_rev_polarity cable_polarity;
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;
};
/* 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_NOLINK 7
#define E1000_ERR_TIMEOUT 8
#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_DEV_ID_82543GC_FIBER 0x1001
#define E1000_DEV_ID_82543GC_COPPER 0x1004
#define E1000_DEV_ID_82544EI_COPPER 0x1008
#define E1000_DEV_ID_82544EI_FIBER 0x1009
#define E1000_DEV_ID_82544GC_COPPER 0x100C
#define E1000_DEV_ID_82544GC_LOM 0x100D
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#define E1000_DEV_ID_82540EM_LOM 0x1015
#define E1000_DEV_ID_82540EP_LOM 0x1016
#define E1000_DEV_ID_82540EP 0x1017
#define E1000_DEV_ID_82540EP_LP 0x101E
#define E1000_DEV_ID_82545EM_COPPER 0x100F
#define E1000_DEV_ID_82545EM_FIBER 0x1011
#define E1000_DEV_ID_82545GM_COPPER 0x1026
#define E1000_DEV_ID_82545GM_FIBER 0x1027
#define E1000_DEV_ID_82545GM_SERDES 0x1028
#define E1000_DEV_ID_82546EB_COPPER 0x1010
#define E1000_DEV_ID_82546EB_FIBER 0x1012
#define E1000_DEV_ID_82546EB_QUAD_COPPER 0x101D
#define E1000_DEV_ID_82541EI 0x1013
#define E1000_DEV_ID_82541EI_MOBILE 0x1018
#define E1000_DEV_ID_82541ER_LOM 0x1014
#define E1000_DEV_ID_82541ER 0x1078
#define E1000_DEV_ID_82547GI 0x1075
#define E1000_DEV_ID_82541GI 0x1076
#define E1000_DEV_ID_82541GI_MOBILE 0x1077
#define E1000_DEV_ID_82541GI_LF 0x107C
#define E1000_DEV_ID_82546GB_COPPER 0x1079
#define E1000_DEV_ID_82546GB_FIBER 0x107A
#define E1000_DEV_ID_82546GB_SERDES 0x107B
#define E1000_DEV_ID_82546GB_PCIE 0x108A
#define E1000_DEV_ID_82546GB_QUAD_COPPER 0x1099
#define E1000_DEV_ID_82547EI 0x1019
#define E1000_DEV_ID_82547EI_MOBILE 0x101A
#define E1000_DEV_ID_82571EB_COPPER 0x105E
#define E1000_DEV_ID_82571EB_FIBER 0x105F
#define E1000_DEV_ID_82571EB_SERDES 0x1060
#define E1000_DEV_ID_82571EB_QUAD_COPPER 0x10A4
#define E1000_DEV_ID_82571PT_QUAD_COPPER 0x10D5
#define E1000_DEV_ID_82571EB_QUAD_FIBER 0x10A5
#define E1000_DEV_ID_82571EB_QUAD_COPPER_LOWPROFILE 0x10BC
#define E1000_DEV_ID_82571EB_SERDES_DUAL 0x10D9
#define E1000_DEV_ID_82571EB_SERDES_QUAD 0x10DA
#define E1000_DEV_ID_82572EI_COPPER 0x107D
#define E1000_DEV_ID_82572EI_FIBER 0x107E
#define E1000_DEV_ID_82572EI_SERDES 0x107F
#define E1000_DEV_ID_82572EI 0x10B9
#define E1000_DEV_ID_82573E 0x108B
#define E1000_DEV_ID_82573E_IAMT 0x108C
#define E1000_DEV_ID_82573L 0x109A
#define E1000_DEV_ID_82574L 0x10D3
#define E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3 0x10B5
#define E1000_DEV_ID_80003ES2LAN_COPPER_DPT 0x1096
#define E1000_DEV_ID_80003ES2LAN_SERDES_DPT 0x1098
#define E1000_DEV_ID_80003ES2LAN_COPPER_SPT 0x10BA
#define E1000_DEV_ID_80003ES2LAN_SERDES_SPT 0x10BB
#define E1000_DEV_ID_ICH8_IGP_M_AMT 0x1049
#define E1000_DEV_ID_ICH8_IGP_AMT 0x104A
#define E1000_DEV_ID_ICH8_IGP_C 0x104B
#define E1000_DEV_ID_ICH8_IFE 0x104C
#define E1000_DEV_ID_ICH8_IFE_GT 0x10C4
#define E1000_DEV_ID_ICH8_IFE_G 0x10C5
#define E1000_DEV_ID_ICH8_IGP_M 0x104D
#define IGP03E1000_E_PHY_ID 0x02A80390
#define IFE_E_PHY_ID 0x02A80330 /* 10/100 PHY */
#define IFE_PLUS_E_PHY_ID 0x02A80320
#define IFE_C_E_PHY_ID 0x02A80310
#define IFE_PHY_EXTENDED_STATUS_CONTROL 0x10 /* 100BaseTx Extended Status,
Control and Address */
#define IFE_PHY_SPECIAL_CONTROL 0x11 /* 100BaseTx PHY special
control register */
#define IFE_PHY_RCV_FALSE_CARRIER 0x13 /* 100BaseTx Receive false
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Carrier Counter */
#define IFE_PHY_RCV_DISCONNECT 0x14 /* 100BaseTx Receive Disconnet
Counter */
#define IFE_PHY_RCV_ERROT_FRAME 0x15 /* 100BaseTx Receive Error
Frame Counter */
#define IFE_PHY_RCV_SYMBOL_ERR 0x16 /* Receive Symbol Error
Counter */
#define IFE_PHY_PREM_EOF_ERR 0x17 /* 100BaseTx Receive
Premature End Of Frame
Error Counter */
#define IFE_PHY_RCV_EOF_ERR 0x18 /* 10BaseT Receive End Of
Frame Error Counter */
#define IFE_PHY_TX_JABBER_DETECT 0x19 /* 10BaseT Transmit Jabber
Detect Counter */
#define IFE_PHY_EQUALIZER 0x1A /* PHY Equalizer Control and
Status */
#define IFE_PHY_SPECIAL_CONTROL_LED 0x1B /* PHY special control and
LED configuration */
#define IFE_PHY_MDIX_CONTROL 0x1C /* MDI/MDI-X Control register */
#define IFE_PHY_HWI_CONTROL 0x1D /* Hardware Integrity Control
(HWI) */
#define IFE_PESC_REDUCED_POWER_DOWN_DISABLE 0x2000 /* Defaut 1 = Disable auto
reduced power down */
#define IFE_PESC_100BTX_POWER_DOWN 0x0400 /* Indicates the power
state of 100BASE-TX */
#define IFE_PESC_10BTX_POWER_DOWN 0x0200 /* Indicates the power
state of 10BASE-T */
#define IFE_PESC_POLARITY_REVERSED 0x0100 /* Indicates 10BASE-T
polarity */
#define IFE_PESC_PHY_ADDR_MASK 0x007C /* Bit 6:2 for sampled PHY
address */
#define IFE_PESC_SPEED 0x0002 /* Auto-negotiation speed
result 1=100Mbs, 0=10Mbs */
#define IFE_PESC_DUPLEX 0x0001 /* Auto-negotiation
duplex result 1=Full, 0=Half */
#define IFE_PESC_POLARITY_REVERSED_SHIFT 8
#define IFE_PSC_DISABLE_DYNAMIC_POWER_DOWN 0x0100 /* 1 = Dyanmic Power Down
disabled */
#define IFE_PSC_FORCE_POLARITY 0x0020 /* 1=Reversed Polarity,
0=Normal */
#define IFE_PSC_AUTO_POLARITY_DISABLE 0x0010 /* 1=Auto Polarity
Disabled, 0=Enabled */
#define IFE_PSC_JABBER_FUNC_DISABLE 0x0001 /* 1=Jabber Disabled,
0=Normal Jabber Operation */
#define IFE_PSC_FORCE_POLARITY_SHIFT 5
#define IFE_PSC_AUTO_POLARITY_DISABLE_SHIFT 4
#define IFE_PMC_AUTO_MDIX 0x0080 /* 1=enable MDI/MDI-X
feature, default 0=disabled */
#define IFE_PMC_FORCE_MDIX 0x0040 /* 1=force MDIX-X,
0=force MDI */
#define IFE_PMC_MDIX_STATUS 0x0020 /* 1=MDI-X, 0=MDI */
#define IFE_PMC_AUTO_MDIX_COMPLETE 0x0010 /* Resolution algorithm
is completed */
#define IFE_PMC_MDIX_MODE_SHIFT 6
#define IFE_PHC_MDIX_RESET_ALL_MASK 0x0000 /* Disable auto MDI-X */
#define IFE_PHC_HWI_ENABLE 0x8000 /* Enable the HWI
feature */
#define IFE_PHC_ABILITY_CHECK 0x4000 /* 1= Test Passed,
0=failed */
#define IFE_PHC_TEST_EXEC 0x2000 /* PHY launch test pulses
on the wire */
#define IFE_PHC_HIGHZ 0x0200 /* 1 = Open Circuit */
#define IFE_PHC_LOWZ 0x0400 /* 1 = Short Circuit */
#define IFE_PHC_LOW_HIGH_Z_MASK 0x0600 /* Mask for indication
type of problem on the line */
#define IFE_PHC_DISTANCE_MASK 0x01FF /* Mask for distance to
the cable problem, in 80cm granularity */
#define IFE_PHC_RESET_ALL_MASK 0x0000 /* Disable HWI */
#define IFE_PSCL_PROBE_MODE 0x0020 /* LED Probe mode */
#define IFE_PSCL_PROBE_LEDS_OFF 0x0006 /* Force LEDs 0 and 2
off */
#define IFE_PSCL_PROBE_LEDS_ON 0x0007 /* Force LEDs 0 and 2 on */
#define NUM_DEV_IDS 16
#define NODE_ADDRESS_SIZE 6
#define ETH_LENGTH_OF_ADDRESS 6
/* MAC decode size is 128K - This is the size of BAR0 */
#define MAC_DECODE_SIZE (128 * 1024)
#define E1000_82542_2_0_REV_ID 2
#define E1000_82542_2_1_REV_ID 3
#define E1000_REVISION_0 0
#define E1000_REVISION_1 1
#define E1000_REVISION_2 2
#define E1000_REVISION_3 3
#define SPEED_10 10
#define SPEED_100 100
#define SPEED_1000 1000
#define HALF_DUPLEX 1
#define FULL_DUPLEX 2
/* The sizes (in bytes) of a ethernet packet */
#define MAXIMUM_ETHERNET_FRAME_SIZE 1518 /* With FCS */
#define MINIMUM_ETHERNET_FRAME_SIZE 64 /* With FCS */
#define MAXIMUM_ETHERNET_PACKET_SIZE \
(MAXIMUM_ETHERNET_FRAME_SIZE - ETHERNET_FCS_SIZE)
#define MINIMUM_ETHERNET_PACKET_SIZE \
(MINIMUM_ETHERNET_FRAME_SIZE - ETHERNET_FCS_SIZE)
#define CRC_LENGTH ETHERNET_FCS_SIZE
#define MAX_JUMBO_FRAME_SIZE 0x3F00
/* 802.1q VLAN Packet Sizes */
#define VLAN_TAG_SIZE 4 /* 802.3ac tag (not DMAed) */
/* Ethertype field values */
#define ETHERNET_IEEE_VLAN_TYPE 0x8100 /* 802.3ac packet */
#define ETHERNET_IP_TYPE 0x0800 /* IP packets */
#define ETHERNET_ARP_TYPE 0x0806 /* Address Resolution Protocol (ARP) */
/* Packet Header defines */
#define IP_PROTOCOL_TCP 6
#define IP_PROTOCOL_UDP 0x11
/* This defines the bits that are set in the Interrupt Mask
* Set/Read Register. Each bit is documented below:
* o RXDMT0 = Receive Descriptor Minimum Threshold hit (ring 0)
*/
#define POLL_IMS_ENABLE_MASK ( \
E1000_IMS_RXSEQ)
/* This defines the bits that are set in the Interrupt Mask
* Set/Read Register. Each bit is documented below:
* o RXT0 = Receiver Timer Interrupt (ring 0)
* o TXDW = Transmit Descriptor Written Back
* o RXDMT0 = Receive Descriptor Minimum Threshold hit (ring 0)
* o RXSEQ = Receive Sequence Error
* o LSC = Link Status Change
*/
#define IMS_ENABLE_MASK ( \
E1000_IMS_RXT0 | \
E1000_IMS_TXDW | \
E1000_IMS_RXDMT0 | \
E1000_IMS_RXSEQ | \
E1000_IMS_LSC)
/* The number of high/low register pairs in the RAR. The RAR (Receive Address
* Registers) holds the directed and multicast addresses that we monitor. We
* reserve one of these spots for our directed address, allowing us room for
*/
#define E1000_RAR_ENTRIES 16
#define MIN_NUMBER_OF_DESCRIPTORS 8
#define MAX_NUMBER_OF_DESCRIPTORS 0xFFF8
/* Receive Descriptor */
struct e1000_rx_desc {
uint64_t buffer_addr; /* Address of the descriptor's data buffer */
uint16_t length; /* Length of data DMAed into data buffer */
uint16_t csum; /* Packet checksum */
uint8_t status; /* Descriptor status */
uint8_t errors; /* Descriptor Errors */
uint16_t special;
};
/* Receive Decriptor bit definitions */
#define E1000_RXD_STAT_DD 0x01 /* Descriptor Done */
#define E1000_RXD_STAT_EOP 0x02 /* End of Packet */
#define E1000_RXD_STAT_IXSM 0x04 /* Ignore checksum */
#define E1000_RXD_STAT_VP 0x08 /* IEEE VLAN Packet */
#define E1000_RXD_STAT_TCPCS 0x20 /* TCP xsum calculated */
#define E1000_RXD_STAT_IPCS 0x40 /* IP xsum calculated */
#define E1000_RXD_STAT_PIF 0x80 /* passed in-exact filter */
#define E1000_RXD_ERR_CE 0x01 /* CRC Error */
#define E1000_RXD_ERR_SE 0x02 /* Symbol Error */
#define E1000_RXD_ERR_SEQ 0x04 /* Sequence Error */
#define E1000_RXD_ERR_CXE 0x10 /* Carrier Extension Error */
#define E1000_RXD_ERR_TCPE 0x20 /* TCP/UDP Checksum Error */
#define E1000_RXD_ERR_IPE 0x40 /* IP Checksum Error */
#define E1000_RXD_ERR_RXE 0x80 /* Rx Data Error */
#define E1000_RXD_SPC_VLAN_MASK 0x0FFF /* VLAN ID is in lower 12 bits */
#define E1000_RXD_SPC_PRI_MASK 0xE000 /* Priority is in upper 3 bits */
#define E1000_RXD_SPC_PRI_SHIFT 0x000D /* Priority is in upper 3 of 16 */
#define E1000_RXD_SPC_CFI_MASK 0x1000 /* CFI is bit 12 */
#define E1000_RXD_SPC_CFI_SHIFT 0x000C /* CFI is bit 12 */
/* mask to determine if packets should be dropped due to frame errors */
#define E1000_RXD_ERR_FRAME_ERR_MASK ( \
E1000_RXD_ERR_CE | \
E1000_RXD_ERR_SE | \
E1000_RXD_ERR_SEQ | \
E1000_RXD_ERR_CXE | \
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E1000_RXD_ERR_RXE)
/* Transmit Descriptor */
struct e1000_tx_desc {
uint64_t buffer_addr; /* Address of the descriptor's data buffer */
union {
uint32_t data;
struct {
uint16_t length; /* Data buffer length */
uint8_t cso; /* Checksum offset */
uint8_t cmd; /* Descriptor control */
} flags;
} lower;
union {
uint32_t data;
struct {
uint8_t status; /* Descriptor status */
uint8_t css; /* Checksum start */
uint16_t special;
} fields;
} upper;
};
/* Transmit Descriptor bit definitions */
#define E1000_TXD_DTYP_D 0x00100000 /* Data Descriptor */
#define E1000_TXD_DTYP_C 0x00000000 /* Context Descriptor */
#define E1000_TXD_POPTS_IXSM 0x01 /* Insert IP checksum */
#define E1000_TXD_POPTS_TXSM 0x02 /* Insert TCP/UDP checksum */
#define E1000_TXD_CMD_EOP 0x01000000 /* End of Packet */
#define E1000_TXD_CMD_IFCS 0x02000000 /* Insert FCS (Ethernet CRC) */
#define E1000_TXD_CMD_IC 0x04000000 /* Insert Checksum */
#define E1000_TXD_CMD_RS 0x08000000 /* Report Status */
#define E1000_TXD_CMD_RPS 0x10000000 /* Report Packet Sent */
#define E1000_TXD_CMD_DEXT 0x20000000 /* Descriptor extension (0 = legacy) */
#define E1000_TXD_CMD_VLE 0x40000000 /* Add VLAN tag */
#define E1000_TXD_CMD_IDE 0x80000000 /* Enable Tidv register */
#define E1000_TXD_STAT_DD 0x00000001 /* Descriptor Done */
#define E1000_TXD_STAT_EC 0x00000002 /* Excess Collisions */
#define E1000_TXD_STAT_LC 0x00000004 /* Late Collisions */
#define E1000_TXD_STAT_TU 0x00000008 /* Transmit underrun */
#define E1000_TXD_CMD_TCP 0x01000000 /* TCP packet */
#define E1000_TXD_CMD_IP 0x02000000 /* IP packet */
#define E1000_TXD_CMD_TSE 0x04000000 /* TCP Seg enable */
#define E1000_TXD_STAT_TC 0x00000004 /* Tx Underrun */
/* Offload Context Descriptor */
struct e1000_context_desc {
union {
uint32_t ip_config;
struct {
uint8_t ipcss; /* IP checksum start */
uint8_t ipcso; /* IP checksum offset */
uint16_t ipcse; /* IP checksum end */
} ip_fields;
} lower_setup;
union {
uint32_t tcp_config;
struct {
uint8_t tucss; /* TCP checksum start */
uint8_t tucso; /* TCP checksum offset */
uint16_t tucse; /* TCP checksum end */
} tcp_fields;
} upper_setup;
uint32_t cmd_and_length; /* */
union {
uint32_t data;
struct {
uint8_t status; /* Descriptor status */
uint8_t hdr_len; /* Header length */
uint16_t mss; /* Maximum segment size */
} fields;
} tcp_seg_setup;
};
/* Offload data descriptor */
struct e1000_data_desc {
uint64_t buffer_addr; /* Address of the descriptor's buffer address */
union {
uint32_t data;
struct {
uint16_t length; /* Data buffer length */
uint8_t typ_len_ext; /* */
uint8_t cmd; /* */
} flags;
} lower;
union {
uint32_t data;
struct {
uint8_t status; /* Descriptor status */
uint8_t popts; /* Packet Options */
uint16_t special; /* */
} fields;
} upper;
};
/* Filters */
#define E1000_NUM_UNICAST 16 /* Unicast filter entries */
#define E1000_MC_TBL_SIZE 128 /* Multicast Filter Table (4096 bits) */
#define E1000_VLAN_FILTER_TBL_SIZE 128 /* VLAN Filter Table (4096 bits) */
/* Receive Address Register */
struct e1000_rar {
volatile uint32_t low; /* receive address low */
volatile uint32_t high; /* receive address high */
};
/* The number of entries in the Multicast Table Array (MTA). */
#define E1000_NUM_MTA_REGISTERS 128
/* IPv4 Address Table Entry */
struct e1000_ipv4_at_entry {
volatile uint32_t ipv4_addr; /* IP Address (RW) */
volatile uint32_t reserved;
};
/* Four wakeup IP addresses are supported */
#define E1000_WAKEUP_IP_ADDRESS_COUNT_MAX 4
#define E1000_IP4AT_SIZE E1000_WAKEUP_IP_ADDRESS_COUNT_MAX
#define E1000_IP6AT_SIZE 1
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/* IPv6 Address Table Entry */
struct e1000_ipv6_at_entry {
volatile uint8_t ipv6_addr[16];
};
/* Flexible Filter Length Table Entry */
struct e1000_fflt_entry {
volatile uint32_t length; /* Flexible Filter Length (RW) */
volatile uint32_t reserved;
};
/* Flexible Filter Mask Table Entry */
struct e1000_ffmt_entry {
volatile uint32_t mask; /* Flexible Filter Mask (RW) */
volatile uint32_t reserved;
};
/* Flexible Filter Value Table Entry */
struct e1000_ffvt_entry {
volatile uint32_t value; /* Flexible Filter Value (RW) */
volatile uint32_t reserved;
};
/* Four Flexible Filters are supported */
#define E1000_FLEXIBLE_FILTER_COUNT_MAX 4
/* Each Flexible Filter is at most 128 (0x80) bytes in length */
#define E1000_FFLT_SIZE E1000_FLEXIBLE_FILTER_COUNT_MAX
#define E1000_FFMT_SIZE E1000_FLEXIBLE_FILTER_SIZE_MAX
#define E1000_FFVT_SIZE E1000_FLEXIBLE_FILTER_SIZE_MAX
/* Register Set. (82543, 82544)
*
* Registers are defined to be 32 bits and should be accessed as 32 bit values.
* These registers are physically located on the NIC, but are mapped into the
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* host memory address space.
*
* RW - register is both readable and writable
* RO - register is read only
* WO - register is write only
* R/clr - register is read only and is cleared when read
* A - register array
*/
#define E1000_CTRL 0x00000 /* Device Control - RW */
#define E1000_STATUS 0x00008 /* Device Status - RO */
#define E1000_EECD 0x00010 /* EEPROM/Flash Control - RW */
#define E1000_EERD 0x00014 /* EEPROM Read - RW */
#define E1000_CTRL_EXT 0x00018 /* Extended Device Control - RW */
#define E1000_MDIC 0x00020 /* MDI Control - RW */
#define E1000_FCAL 0x00028 /* Flow Control Address Low - RW */
#define E1000_FCAH 0x0002C /* Flow Control Address High -RW */
#define E1000_FCT 0x00030 /* Flow Control Type - RW */
#define E1000_VET 0x00038 /* VLAN Ether Type - RW */
#define E1000_ICR 0x000C0 /* Interrupt Cause Read - R/clr */
#define E1000_ITR 0x000C4 /* Interrupt Throttling Rate - RW */
#define E1000_ICS 0x000C8 /* Interrupt Cause Set - WO */
#define E1000_IMS 0x000D0 /* Interrupt Mask Set - RW */
#define E1000_IMC 0x000D8 /* Interrupt Mask Clear - WO */
#define E1000_RCTL 0x00100 /* RX Control - RW */
#define E1000_FCTTV 0x00170 /* Flow Control Transmit Timer Value - RW */
#define E1000_TXCW 0x00178 /* TX Configuration Word - RW */
#define E1000_RXCW 0x00180 /* RX Configuration Word - RO */
#define E1000_TCTL 0x00400 /* TX Control - RW */
#define E1000_TCTL_EXT 0x00404 /* Extended TX Control - RW */
#define E1000_TIPG 0x00410 /* TX Inter-packet gap -RW */
#define E1000_TBT 0x00448 /* TX Burst Timer - RW */
#define E1000_AIT 0x00458 /* Adaptive Interframe Spacing Throttle - RW */
#define E1000_LEDCTL 0x00E00 /* LED Control - RW */
#define E1000_EXTCNF_CTRL 0x00F00 /* Extended Configuration Control */
#define E1000_EXTCNF_SIZE 0x00F08 /* Extended Configuration Size */
#define E1000_PHY_CTRL 0x00F10 /* PHY Control Register in CSR */
#define FEXTNVM_SW_CONFIG 0x0001
#define E1000_PBA 0x01000 /* Packet Buffer Allocation - RW */
#define E1000_PBS 0x01008 /* Packet Buffer Size */
#define E1000_EEMNGCTL 0x01010 /* MNG EEprom Control */
#define E1000_FLASH_UPDATES 1000
#define E1000_EEARBC 0x01024 /* EEPROM Auto Read Bus Control */
#define E1000_FLASHT 0x01028 /* FLASH Timer Register */
#define E1000_EEWR 0x0102C /* EEPROM Write Register - RW */
#define E1000_FLSWCTL 0x01030 /* FLASH control register */
#define E1000_FLSWDATA 0x01034 /* FLASH data register */
#define E1000_FLSWCNT 0x01038 /* FLASH Access Counter */
#define E1000_FLOP 0x0103C /* FLASH Opcode Register */
#define E1000_ERT 0x02008 /* Early Rx Threshold - RW */
#define E1000_FCRTL 0x02160 /* Flow Control Receive Threshold Low - RW */
#define E1000_FCRTH 0x02168 /* Flow Control Receive Threshold High - RW */
#define E1000_RDBAL 0x02800 /* RX Descriptor Base Address Low - RW */
#define E1000_RDBAH 0x02804 /* RX Descriptor Base Address High - RW */
#define E1000_RDLEN 0x02808 /* RX Descriptor Length - RW */
#define E1000_RDH 0x02810 /* RX Descriptor Head - RW */
#define E1000_RDT 0x02818 /* RX Descriptor Tail - RW */
#define E1000_RDTR 0x02820 /* RX Delay Timer - RW */
#define E1000_RXDCTL 0x02828 /* RX Descriptor Control - RW */
#define E1000_RADV 0x0282C /* RX Interrupt Absolute Delay Timer - RW */
#define E1000_RSRPD 0x02C00 /* RX Small Packet Detect - RW */
#define E1000_TXDMAC 0x03000 /* TX DMA Control - RW */
#define E1000_TDFH 0x03410 /* TX Data FIFO Head - RW */
#define E1000_TDFT 0x03418 /* TX Data FIFO Tail - RW */
#define E1000_TDFHS 0x03420 /* TX Data FIFO Head Saved - RW */
#define E1000_TDFTS 0x03428 /* TX Data FIFO Tail Saved - RW */
#define E1000_TDFPC 0x03430 /* TX Data FIFO Packet Count - RW */
#define E1000_TDBAL 0x03800 /* TX Descriptor Base Address Low - RW */
#define E1000_TDBAH 0x03804 /* TX Descriptor Base Address High - RW */
#define E1000_TDLEN 0x03808 /* TX Descriptor Length - RW */
#define E1000_TDH 0x03810 /* TX Descriptor Head - RW */
#define E1000_TDT 0x03818 /* TX Descripotr Tail - RW */
#define E1000_TIDV 0x03820 /* TX Interrupt Delay Value - RW */
#define E1000_TXDCTL 0x03828 /* TX Descriptor Control - RW */
#define E1000_TADV 0x0382C /* TX Interrupt Absolute Delay Val - RW */
#define E1000_TSPMT 0x03830 /* TCP Segmentation PAD & Min Threshold - RW */
#define E1000_TARC0 0x03840 /* TX Arbitration Count (0) */
#define E1000_TDBAL1 0x03900 /* TX Desc Base Address Low (1) - RW */
#define E1000_TDBAH1 0x03904 /* TX Desc Base Address High (1) - RW */
#define E1000_TDLEN1 0x03908 /* TX Desc Length (1) - RW */
#define E1000_TDH1 0x03910 /* TX Desc Head (1) - RW */
#define E1000_TDT1 0x03918 /* TX Desc Tail (1) - RW */
#define E1000_TXDCTL1 0x03928 /* TX Descriptor Control (1) - RW */
#define E1000_TARC1 0x03940 /* TX Arbitration Count (1) */
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#define E1000_CRCERRS 0x04000 /* CRC Error Count - R/clr */
#define E1000_ALGNERRC 0x04004 /* Alignment Error Count - R/clr */
#define E1000_SYMERRS 0x04008 /* Symbol Error Count - R/clr */
#define E1000_RXERRC 0x0400C /* Receive Error Count - R/clr */
#define E1000_MPC 0x04010 /* Missed Packet Count - R/clr */
#define E1000_SCC 0x04014 /* Single Collision Count - R/clr */
#define E1000_ECOL 0x04018 /* Excessive Collision Count - R/clr */
#define E1000_MCC 0x0401C /* Multiple Collision Count - R/clr */
#define E1000_LATECOL 0x04020 /* Late Collision Count - R/clr */
#define E1000_COLC 0x04028 /* Collision Count - R/clr */
#define E1000_DC 0x04030 /* Defer Count - R/clr */
#define E1000_TNCRS 0x04034 /* TX-No CRS - R/clr */
#define E1000_SEC 0x04038 /* Sequence Error Count - R/clr */
#define E1000_CEXTERR 0x0403C /* Carrier Extension Error Count - R/clr */
#define E1000_RLEC 0x04040 /* Receive Length Error Count - R/clr */
#define E1000_XONRXC 0x04048 /* XON RX Count - R/clr */
#define E1000_XONTXC 0x0404C /* XON TX Count - R/clr */
#define E1000_XOFFRXC 0x04050 /* XOFF RX Count - R/clr */
#define E1000_XOFFTXC 0x04054 /* XOFF TX Count - R/clr */
#define E1000_FCRUC 0x04058 /* Flow Control RX Unsupported Count- R/clr */
#define E1000_PRC64 0x0405C /* Packets RX (64 bytes) - R/clr */
#define E1000_PRC127 0x04060 /* Packets RX (65-127 bytes) - R/clr */
#define E1000_PRC255 0x04064 /* Packets RX (128-255 bytes) - R/clr */
#define E1000_PRC511 0x04068 /* Packets RX (255-511 bytes) - R/clr */
#define E1000_PRC1023 0x0406C /* Packets RX (512-1023 bytes) - R/clr */
#define E1000_PRC1522 0x04070 /* Packets RX (1024-1522 bytes) - R/clr */
#define E1000_GPRC 0x04074 /* Good Packets RX Count - R/clr */
#define E1000_BPRC 0x04078 /* Broadcast Packets RX Count - R/clr */
#define E1000_MPRC 0x0407C /* Multicast Packets RX Count - R/clr */
#define E1000_GPTC 0x04080 /* Good Packets TX Count - R/clr */
#define E1000_GORCL 0x04088 /* Good Octets RX Count Low - R/clr */
#define E1000_GORCH 0x0408C /* Good Octets RX Count High - R/clr */
#define E1000_GOTCL 0x04090 /* Good Octets TX Count Low - R/clr */
#define E1000_GOTCH 0x04094 /* Good Octets TX Count High - R/clr */
#define E1000_RNBC 0x040A0 /* RX No Buffers Count - R/clr */
#define E1000_RUC 0x040A4 /* RX Undersize Count - R/clr */
#define E1000_RFC 0x040A8 /* RX Fragment Count - R/clr */
#define E1000_ROC 0x040AC /* RX Oversize Count - R/clr */
#define E1000_RJC 0x040B0 /* RX Jabber Count - R/clr */
#define E1000_MGTPRC 0x040B4 /* Management Packets RX Count - R/clr */
#define E1000_MGTPDC 0x040B8 /* Management Packets Dropped Count - R/clr */
#define E1000_MGTPTC 0x040BC /* Management Packets TX Count - R/clr */
#define E1000_TORL 0x040C0 /* Total Octets RX Low - R/clr */
#define E1000_TORH 0x040C4 /* Total Octets RX High - R/clr */
#define E1000_TOTL 0x040C8 /* Total Octets TX Low - R/clr */
#define E1000_TOTH 0x040CC /* Total Octets TX High - R/clr */
#define E1000_TPR 0x040D0 /* Total Packets RX - R/clr */
#define E1000_TPT 0x040D4 /* Total Packets TX - R/clr */
#define E1000_PTC64 0x040D8 /* Packets TX (64 bytes) - R/clr */
#define E1000_PTC127 0x040DC /* Packets TX (65-127 bytes) - R/clr */
#define E1000_PTC255 0x040E0 /* Packets TX (128-255 bytes) - R/clr */
#define E1000_PTC511 0x040E4 /* Packets TX (256-511 bytes) - R/clr */
#define E1000_PTC1023 0x040E8 /* Packets TX (512-1023 bytes) - R/clr */
#define E1000_PTC1522 0x040EC /* Packets TX (1024-1522 Bytes) - R/clr */
#define E1000_MPTC 0x040F0 /* Multicast Packets TX Count - R/clr */
#define E1000_BPTC 0x040F4 /* Broadcast Packets TX Count - R/clr */
#define E1000_TSCTC 0x040F8 /* TCP Segmentation Context TX - R/clr */
#define E1000_TSCTFC 0x040FC /* TCP Segmentation Context TX Fail - R/clr */
#define E1000_RXCSUM 0x05000 /* RX Checksum Control - RW */
#define E1000_MTA 0x05200 /* Multicast Table Array - RW Array */
#define E1000_RA 0x05400 /* Receive Address - RW Array */
#define E1000_VFTA 0x05600 /* VLAN Filter Table Array - RW Array */
#define E1000_WUC 0x05800 /* Wakeup Control - RW */
#define E1000_WUFC 0x05808 /* Wakeup Filter Control - RW */
#define E1000_WUS 0x05810 /* Wakeup Status - RO */
#define E1000_MANC 0x05820 /* Management Control - RW */
#define E1000_IPAV 0x05838 /* IP Address Valid - RW */
#define E1000_IP4AT 0x05840 /* IPv4 Address Table - RW Array */
#define E1000_IP6AT 0x05880 /* IPv6 Address Table - RW Array */
#define E1000_WUPL 0x05900 /* Wakeup Packet Length - RW */
#define E1000_WUPM 0x05A00 /* Wakeup Packet Memory - RO A */
#define E1000_FFLT 0x05F00 /* Flexible Filter Length Table - RW Array */
#define E1000_FFMT 0x09000 /* Flexible Filter Mask Table - RW Array */
#define E1000_FFVT 0x09800 /* Flexible Filter Value Table - RW Array */
/* Register Set (82542)
*
* Some of the 82542 registers are located at different offsets than they are
* in more current versions of the 8254x. Despite the difference in location,
* the registers function in the same manner.
*/
#define E1000_82542_CTRL E1000_CTRL
#define E1000_82542_STATUS E1000_STATUS
#define E1000_82542_EECD E1000_EECD
#define E1000_82542_EERD E1000_EERD
#define E1000_82542_CTRL_EXT E1000_CTRL_EXT
#define E1000_82542_MDIC E1000_MDIC
#define E1000_82542_FCAL E1000_FCAL
#define E1000_82542_FCAH E1000_FCAH
#define E1000_82542_FCT E1000_FCT
#define E1000_82542_VET E1000_VET
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#define E1000_82542_ICR E1000_ICR
#define E1000_82542_ITR E1000_ITR
#define E1000_82542_ICS E1000_ICS
#define E1000_82542_IMS E1000_IMS
#define E1000_82542_IMC E1000_IMC
#define E1000_82542_RCTL E1000_RCTL
#define E1000_82542_RDTR 0x00108
#define E1000_82542_RDBAL 0x00110
#define E1000_82542_RDBAH 0x00114
#define E1000_82542_RDLEN 0x00118
#define E1000_82542_RDH 0x00120
#define E1000_82542_RDT 0x00128
#define E1000_82542_FCRTH 0x00160
#define E1000_82542_FCRTL 0x00168
#define E1000_82542_FCTTV E1000_FCTTV
#define E1000_82542_TXCW E1000_TXCW
#define E1000_82542_RXCW E1000_RXCW
#define E1000_82542_MTA 0x00200
#define E1000_82542_TCTL E1000_TCTL
#define E1000_82542_TIPG E1000_TIPG
#define E1000_82542_TDBAL 0x00420
#define E1000_82542_TDBAH 0x00424
#define E1000_82542_TDLEN 0x00428
#define E1000_82542_TDH 0x00430
#define E1000_82542_TDT 0x00438
#define E1000_82542_TIDV 0x00440
#define E1000_82542_TBT E1000_TBT
#define E1000_82542_AIT E1000_AIT
#define E1000_82542_VFTA 0x00600
#define E1000_82542_LEDCTL E1000_LEDCTL
#define E1000_82542_PBA E1000_PBA
#define E1000_82542_RXDCTL E1000_RXDCTL
#define E1000_82542_RADV E1000_RADV
#define E1000_82542_RSRPD E1000_RSRPD
#define E1000_82542_TXDMAC E1000_TXDMAC
#define E1000_82542_TXDCTL E1000_TXDCTL
#define E1000_82542_TADV E1000_TADV
#define E1000_82542_TSPMT E1000_TSPMT
#define E1000_82542_CRCERRS E1000_CRCERRS
#define E1000_82542_ALGNERRC E1000_ALGNERRC
#define E1000_82542_SYMERRS E1000_SYMERRS
#define E1000_82542_RXERRC E1000_RXERRC
#define E1000_82542_MPC E1000_MPC
#define E1000_82542_SCC E1000_SCC
#define E1000_82542_ECOL E1000_ECOL
#define E1000_82542_MCC E1000_MCC
#define E1000_82542_LATECOL E1000_LATECOL
#define E1000_82542_COLC E1000_COLC
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#define E1000_82542_TNCRS E1000_TNCRS
#define E1000_82542_SEC E1000_SEC
#define E1000_82542_CEXTERR E1000_CEXTERR
#define E1000_82542_RLEC E1000_RLEC
#define E1000_82542_XONRXC E1000_XONRXC
#define E1000_82542_XONTXC E1000_XONTXC
#define E1000_82542_XOFFRXC E1000_XOFFRXC
#define E1000_82542_XOFFTXC E1000_XOFFTXC
#define E1000_82542_FCRUC E1000_FCRUC
#define E1000_82542_PRC64 E1000_PRC64
#define E1000_82542_PRC127 E1000_PRC127
#define E1000_82542_PRC255 E1000_PRC255
#define E1000_82542_PRC511 E1000_PRC511
#define E1000_82542_PRC1023 E1000_PRC1023
#define E1000_82542_PRC1522 E1000_PRC1522
#define E1000_82542_GPRC E1000_GPRC
#define E1000_82542_BPRC E1000_BPRC
#define E1000_82542_MPRC E1000_MPRC
#define E1000_82542_GPTC E1000_GPTC
#define E1000_82542_GORCL E1000_GORCL
#define E1000_82542_GORCH E1000_GORCH
#define E1000_82542_GOTCL E1000_GOTCL
#define E1000_82542_GOTCH E1000_GOTCH
#define E1000_82542_RNBC E1000_RNBC
#define E1000_82542_RUC E1000_RUC
#define E1000_82542_RFC E1000_RFC
#define E1000_82542_ROC E1000_ROC
#define E1000_82542_RJC E1000_RJC
#define E1000_82542_MGTPRC E1000_MGTPRC
#define E1000_82542_MGTPDC E1000_MGTPDC
#define E1000_82542_MGTPTC E1000_MGTPTC
#define E1000_82542_TORL E1000_TORL
#define E1000_82542_TORH E1000_TORH
#define E1000_82542_TOTL E1000_TOTL
#define E1000_82542_TOTH E1000_TOTH
#define E1000_82542_TPR E1000_TPR
#define E1000_82542_TPT E1000_TPT
#define E1000_82542_PTC64 E1000_PTC64
#define E1000_82542_PTC127 E1000_PTC127
#define E1000_82542_PTC255 E1000_PTC255
#define E1000_82542_PTC511 E1000_PTC511
#define E1000_82542_PTC1023 E1000_PTC1023
#define E1000_82542_PTC1522 E1000_PTC1522
#define E1000_82542_MPTC E1000_MPTC
#define E1000_82542_BPTC E1000_BPTC
#define E1000_82542_TSCTC E1000_TSCTC
#define E1000_82542_TSCTFC E1000_TSCTFC
#define E1000_82542_RXCSUM E1000_RXCSUM
#define E1000_82542_WUC E1000_WUC
#define E1000_82542_WUFC E1000_WUFC
#define E1000_82542_WUS E1000_WUS
#define E1000_82542_MANC E1000_MANC
#define E1000_82542_IPAV E1000_IPAV
#define E1000_82542_IP4AT E1000_IP4AT
#define E1000_82542_IP6AT E1000_IP6AT
#define E1000_82542_WUPL E1000_WUPL
#define E1000_82542_WUPM E1000_WUPM
#define E1000_82542_FFLT E1000_FFLT
#define E1000_82542_FFMT E1000_FFMT
#define E1000_82542_FFVT E1000_FFVT
/* Statistics counters collected by the MAC */
struct e1000_hw_stats {
uint64_t crcerrs;
uint64_t algnerrc;
uint64_t symerrs;
uint64_t rxerrc;
uint64_t mpc;
uint64_t scc;
uint64_t ecol;
uint64_t mcc;
uint64_t latecol;
uint64_t colc;
uint64_t dc;
uint64_t tncrs;
uint64_t sec;
uint64_t cexterr;
uint64_t rlec;
uint64_t xonrxc;
uint64_t xontxc;
uint64_t xoffrxc;
uint64_t xofftxc;
uint64_t fcruc;
uint64_t prc64;
uint64_t prc127;
uint64_t prc255;
uint64_t prc511;