Exablaze ExaNIC driver. More...

#include <stdint.h>
#include <ipxe/pci.h>
#include <ipxe/ethernet.h>
#include <ipxe/retry.h>
#include <ipxe/i2c.h>
#include <ipxe/bitbash.h>

Data Structures
struct	exanic_tx_descriptor
	An ExaNIC transmit chunk descriptor. More...
struct	exanic_tx_chunk
	An ExaNIC transmit chunk. More...
struct	exanic_rx_descriptor
	An ExaNIC receive chunk descriptor. More...
struct	exanic_rx_chunk
	An ExaNIC receive chunk. More...
struct	exanic_i2c_config
	An ExaNIC I2C bus configuration. More...
struct	exanic_port
	An ExaNIC port. More...
struct	exanic
	An ExaNIC. More...

Macros
#define	EXANIC_MAX_PORTS 8
	Maximum number of ports.
#define	EXANIC_REGS_BAR PCI_BASE_ADDRESS_0
	Register BAR.
#define	EXANIC_TX_BAR PCI_BASE_ADDRESS_2
	Transmit region BAR.
#define	EXANIC_ALIGN 0x1000
	Alignment for DMA regions.
#define	EXANIC_DMA_32_BIT 0x00000001UL
	Flag for 32-bit DMA addresses.
#define	EXANIC_REGS_LEN 0x2000
	Register set length.
#define	EXANIC_TXF_LEN 0x1000
	Transmit feedback region length.
#define	EXANIC_TXF_SLOT(index)
	Transmit feedback slot.
#define	EXANIC_RX_LEN 0x200000
	Receive region length.
#define	EXANIC_TXF_BASE 0x0014
	Transmit feedback base address register.
#define	EXANIC_CAPS 0x0038
	Capabilities register.
#define	EXANIC_CAPS_100M 0x01000000UL
	100Mbps supported
#define	EXANIC_CAPS_1G 0x02000000UL
	1Gbps supported
#define	EXANIC_CAPS_10G 0x04000000UL
	10Gbps supported
#define	EXANIC_CAPS_40G 0x08000000UL
	40Gbps supported
#define	EXANIC_CAPS_100G 0x10000000UL
	100Gbps supported
#define	EXANIC_CAPS_SPEED_MASK 0x1f000000UL
	Supported speeds mask.
#define	EXANIC_I2C 0x012c
	I2C GPIO register.
#define	EXANIC_POWER 0x0138
	Power control register.
#define	EXANIC_POWER_ON 0x000000f0UL
	Power on PHYs.
#define	EXANIC_PORT_REGS(index)
	Port register offset.
#define	EXANIC_PORT_ENABLE 0x0000
	Port enable register.
#define	EXANIC_PORT_ENABLE_ENABLED 0x00000001UL
	Port is enabled.
#define	EXANIC_PORT_SPEED 0x0004
	Port speed register.
#define	EXANIC_PORT_STATUS 0x0008
	Port status register.
#define	EXANIC_PORT_STATUS_LINK 0x00000008UL
	Link is up.
#define	EXANIC_PORT_STATUS_ABSENT 0x80000000UL
	Port is not present.
#define	EXANIC_PORT_MAC 0x000c
	Port MAC address (second half) register.
#define	EXANIC_PORT_FLAGS 0x0010
	Port flags register.
#define	EXANIC_PORT_FLAGS_PROMISC 0x00000001UL
	Promiscuous mode.
#define	EXANIC_PORT_RX_BASE 0x0014
	Port receive chunk base address register.
#define	EXANIC_PORT_TX_COMMAND 0x0020
	Port transmit command register.
#define	EXANIC_PORT_TX_OFFSET 0x0024
	Port transmit region offset register.
#define	EXANIC_PORT_TX_LEN 0x0028
	Port transmit region length register.
#define	EXANIC_PORT_OUI 0x0030
	Port MAC address (first half) register.
#define	EXANIC_PORT_IRQ 0x0034
	Port interrupt configuration register.
#define	EXANIC_TYPE_RAW 0x01
	Raw Ethernet frame type.
#define	EXANIC_STATUS_ERROR_MASK 0x0f
	Receive status error mask.
#define	EXANIC_RX_COUNT ( EXANIC_RX_LEN / sizeof ( struct exanic_rx_chunk ) )
	Number of receive chunks.
#define	EXANIC_EEPROM_ADDRESS 0x50
	EEPROM address.
#define	EXANIC_MAX_TX_LEN ( 256 * sizeof ( struct exanic_tx_chunk ) )
	Maximum used length of transmit region.
#define	EXANIC_MAX_RX_LEN ( ETH_FRAME_LEN + 4 /* VLAN / + 4 / CRC */ )
	Maximum length of received packet.
#define	EXANIC_LINK_INTERVAL ( 1 * TICKS_PER_SEC )
	Interval between link state checks.

Functions
	FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)

Detailed Description

Exablaze ExaNIC driver.

Definition in file exanic.h.

Macro Definition Documentation

◆ EXANIC_MAX_PORTS

#define EXANIC_MAX_PORTS 8

Maximum number of ports.

Definition at line 20 of file exanic.h.

Referenced by exanic_probe(), exanic_remove(), and exanic_reset().

◆ EXANIC_REGS_BAR

#define EXANIC_REGS_BAR PCI_BASE_ADDRESS_0

Register BAR.

Definition at line 23 of file exanic.h.

Referenced by exanic_probe().

◆ EXANIC_TX_BAR

#define EXANIC_TX_BAR PCI_BASE_ADDRESS_2

Transmit region BAR.

Definition at line 26 of file exanic.h.

Referenced by exanic_probe().

◆ EXANIC_ALIGN

#define EXANIC_ALIGN 0x1000

Alignment for DMA regions.

Definition at line 29 of file exanic.h.

Referenced by exanic_probe().

◆ EXANIC_DMA_32_BIT

#define EXANIC_DMA_32_BIT 0x00000001UL

Flag for 32-bit DMA addresses.

Definition at line 32 of file exanic.h.

Referenced by exanic_write_base().

◆ EXANIC_REGS_LEN

#define EXANIC_REGS_LEN 0x2000

Register set length.

Definition at line 35 of file exanic.h.

Referenced by exanic_probe().

◆ EXANIC_TXF_LEN

#define EXANIC_TXF_LEN 0x1000

Transmit feedback region length.

Definition at line 38 of file exanic.h.

Referenced by exanic_probe(), and exanic_remove().

◆ EXANIC_TXF_SLOT

#define EXANIC_TXF_SLOT ( index )

Value:

( 0x40 * (index) )

index

long index

Definition bigint.h:65

Transmit feedback slot.

This is a policy decision.

Definition at line 44 of file exanic.h.

Referenced by exanic_probe_port().

◆ EXANIC_RX_LEN

#define EXANIC_RX_LEN 0x200000

Receive region length.

Definition at line 47 of file exanic.h.

Referenced by exanic_open(), and exanic_probe_port().

◆ EXANIC_TXF_BASE

#define EXANIC_TXF_BASE 0x0014

Transmit feedback base address register.

Definition at line 50 of file exanic.h.

Referenced by exanic_probe(), and exanic_reset().

◆ EXANIC_CAPS

#define EXANIC_CAPS 0x0038

Capabilities register.

Definition at line 53 of file exanic.h.

Referenced by exanic_probe().

◆ EXANIC_CAPS_100M

#define EXANIC_CAPS_100M 0x01000000UL

100Mbps supported

Definition at line 54 of file exanic.h.

◆ EXANIC_CAPS_1G

#define EXANIC_CAPS_1G 0x02000000UL

1Gbps supported

Definition at line 55 of file exanic.h.

◆ EXANIC_CAPS_10G

#define EXANIC_CAPS_10G 0x04000000UL

10Gbps supported

Definition at line 56 of file exanic.h.

◆ EXANIC_CAPS_40G

#define EXANIC_CAPS_40G 0x08000000UL

40Gbps supported

Definition at line 57 of file exanic.h.

◆ EXANIC_CAPS_100G

#define EXANIC_CAPS_100G 0x10000000UL

100Gbps supported

Definition at line 58 of file exanic.h.

◆ EXANIC_CAPS_SPEED_MASK

#define EXANIC_CAPS_SPEED_MASK 0x1f000000UL

Supported speeds mask.

Definition at line 59 of file exanic.h.

Referenced by exanic_expired(), and exanic_probe_port().

◆ EXANIC_I2C

#define EXANIC_I2C 0x012c

I2C GPIO register.

Definition at line 62 of file exanic.h.

Referenced by exanic_i2c_read_bit(), and exanic_i2c_write_bit().

◆ EXANIC_POWER

#define EXANIC_POWER 0x0138

Power control register.

Definition at line 65 of file exanic.h.

Referenced by exanic_probe().

◆ EXANIC_POWER_ON

#define EXANIC_POWER_ON 0x000000f0UL

Power on PHYs.

Definition at line 66 of file exanic.h.

Referenced by exanic_probe().

◆ EXANIC_PORT_REGS

#define EXANIC_PORT_REGS ( index )

Value:

( 0x0200 + ( 0x40 * (index) ) )

Port register offset.

Definition at line 69 of file exanic.h.

Referenced by exanic_probe_port(), and exanic_reset().

◆ EXANIC_PORT_ENABLE

#define EXANIC_PORT_ENABLE 0x0000

Port enable register.

Definition at line 72 of file exanic.h.

Referenced by exanic_close(), exanic_open(), and exanic_reset().

◆ EXANIC_PORT_ENABLE_ENABLED

#define EXANIC_PORT_ENABLE_ENABLED 0x00000001UL

Port is enabled.

Definition at line 73 of file exanic.h.

Referenced by exanic_open().

◆ EXANIC_PORT_SPEED

#define EXANIC_PORT_SPEED 0x0004

Port speed register.

Definition at line 76 of file exanic.h.

Referenced by exanic_check_link(), exanic_expired(), exanic_open(), and exanic_probe_port().

◆ EXANIC_PORT_STATUS

#define EXANIC_PORT_STATUS 0x0008

Port status register.

Definition at line 79 of file exanic.h.

Referenced by exanic_check_link(), and exanic_probe_port().

◆ EXANIC_PORT_STATUS_LINK

#define EXANIC_PORT_STATUS_LINK 0x00000008UL

Link is up.

Definition at line 80 of file exanic.h.

Referenced by exanic_check_link().

◆ EXANIC_PORT_STATUS_ABSENT

#define EXANIC_PORT_STATUS_ABSENT 0x80000000UL

Port is not present.

Definition at line 81 of file exanic.h.

Referenced by exanic_probe_port().

◆ EXANIC_PORT_MAC

#define EXANIC_PORT_MAC 0x000c

Port MAC address (second half) register.

Definition at line 84 of file exanic.h.

◆ EXANIC_PORT_FLAGS

#define EXANIC_PORT_FLAGS 0x0010

Port flags register.

Definition at line 87 of file exanic.h.

Referenced by exanic_open().

◆ EXANIC_PORT_FLAGS_PROMISC

#define EXANIC_PORT_FLAGS_PROMISC 0x00000001UL

Promiscuous mode.

Definition at line 88 of file exanic.h.

Referenced by exanic_open().

◆ EXANIC_PORT_RX_BASE

#define EXANIC_PORT_RX_BASE 0x0014

Port receive chunk base address register.

Definition at line 91 of file exanic.h.

Referenced by exanic_close(), exanic_open(), and exanic_reset().

◆ EXANIC_PORT_TX_COMMAND

#define EXANIC_PORT_TX_COMMAND 0x0020

Port transmit command register.

Definition at line 94 of file exanic.h.

Referenced by exanic_transmit().

◆ EXANIC_PORT_TX_OFFSET

#define EXANIC_PORT_TX_OFFSET 0x0024

Port transmit region offset register.

Definition at line 97 of file exanic.h.

Referenced by exanic_probe_port().

◆ EXANIC_PORT_TX_LEN

#define EXANIC_PORT_TX_LEN 0x0028

Port transmit region length register.

Definition at line 100 of file exanic.h.

Referenced by exanic_probe_port().

◆ EXANIC_PORT_OUI

#define EXANIC_PORT_OUI 0x0030

Port MAC address (first half) register.

Definition at line 103 of file exanic.h.

◆ EXANIC_PORT_IRQ

#define EXANIC_PORT_IRQ 0x0034

Port interrupt configuration register.

Definition at line 106 of file exanic.h.

Referenced by exanic_reset().

◆ EXANIC_TYPE_RAW

#define EXANIC_TYPE_RAW 0x01

Raw Ethernet frame type.

Definition at line 133 of file exanic.h.

Referenced by exanic_open().

◆ EXANIC_STATUS_ERROR_MASK

#define EXANIC_STATUS_ERROR_MASK 0x0f

Receive status error mask.

Definition at line 158 of file exanic.h.

Referenced by exanic_poll_rx().

◆ EXANIC_RX_COUNT

#define EXANIC_RX_COUNT ( EXANIC_RX_LEN / sizeof ( struct exanic_rx_chunk ) )

Number of receive chunks.

Definition at line 161 of file exanic.h.

Referenced by exanic_poll_rx().

◆ EXANIC_EEPROM_ADDRESS

#define EXANIC_EEPROM_ADDRESS 0x50

EEPROM address.

Definition at line 174 of file exanic.h.

Referenced by exanic_try_init_eeprom().

◆ EXANIC_MAX_TX_LEN

#define EXANIC_MAX_TX_LEN ( 256 * sizeof ( struct exanic_tx_chunk ) )

Maximum used length of transmit region.

This is a policy decision to avoid overflowing the 16-bit transmit producer and consumer counters.

Definition at line 249 of file exanic.h.

Referenced by exanic_probe_port().

◆ EXANIC_MAX_RX_LEN

#define EXANIC_MAX_RX_LEN ( ETH_FRAME_LEN + 4 /* VLAN */ + 4 /* CRC */ )

Maximum length of received packet.

This is a policy decision.

Definition at line 255 of file exanic.h.

Referenced by exanic_poll_rx().

◆ EXANIC_LINK_INTERVAL

#define EXANIC_LINK_INTERVAL ( 1 * TICKS_PER_SEC )

Interval between link state checks.

This is a policy decision.

Definition at line 261 of file exanic.h.

Referenced by exanic_expired(), and exanic_open().

Function Documentation

◆ FILE_LICENCE()

FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL )

Data Structures

Macros

Functions

Detailed Description

Macro Definition Documentation

◆ EXANIC_MAX_PORTS

◆ EXANIC_REGS_BAR

◆ EXANIC_TX_BAR

◆ EXANIC_ALIGN

◆ EXANIC_DMA_32_BIT

◆ EXANIC_REGS_LEN

◆ EXANIC_TXF_LEN

◆ EXANIC_TXF_SLOT

◆ EXANIC_RX_LEN

◆ EXANIC_TXF_BASE

◆ EXANIC_CAPS

◆ EXANIC_CAPS_100M

◆ EXANIC_CAPS_1G

◆ EXANIC_CAPS_10G

◆ EXANIC_CAPS_40G

◆ EXANIC_CAPS_100G

◆ EXANIC_CAPS_SPEED_MASK

◆ EXANIC_I2C

◆ EXANIC_POWER

◆ EXANIC_POWER_ON

◆ EXANIC_PORT_REGS

◆ EXANIC_PORT_ENABLE

◆ EXANIC_PORT_ENABLE_ENABLED

◆ EXANIC_PORT_SPEED

◆ EXANIC_PORT_STATUS

◆ EXANIC_PORT_STATUS_LINK

◆ EXANIC_PORT_STATUS_ABSENT

◆ EXANIC_PORT_MAC

◆ EXANIC_PORT_FLAGS

◆ EXANIC_PORT_FLAGS_PROMISC

◆ EXANIC_PORT_RX_BASE

◆ EXANIC_PORT_TX_COMMAND

◆ EXANIC_PORT_TX_OFFSET

◆ EXANIC_PORT_TX_LEN

◆ EXANIC_PORT_OUI

◆ EXANIC_PORT_IRQ

◆ EXANIC_TYPE_RAW

◆ EXANIC_STATUS_ERROR_MASK

◆ EXANIC_RX_COUNT

◆ EXANIC_EEPROM_ADDRESS

◆ EXANIC_MAX_TX_LEN

◆ EXANIC_MAX_RX_LEN

◆ EXANIC_LINK_INTERVAL

Function Documentation

◆ FILE_LICENCE()