Intel® 82576 GbE Controller — Contents
Contents
1.0
1.1
1.2
Introduction.............................................................................................................................. 43
Scope ...................................................................................................................................... 43
Terminology and Acronyms......................................................................................................... 43
1.2.1
External Specification and Documents.................................................................................... 46
Network Interface Documents......................................................................................... 46
Host Interface Documents.............................................................................................. 46
Virtualization Documents ............................................................................................... 46
Networking Protocol Documents...................................................................................... 46
Manageability documents............................................................................................... 46
Security Documents ...................................................................................................... 46
Intel Application Notes......................................................................................................... 47
Reference Schematics.......................................................................................................... 47
Checklists........................................................................................................................... 47
Product Overview ...................................................................................................................... 47
System Configurations......................................................................................................... 47
External Interface...................................................................................................................... 47
PCIe* Interface................................................................................................................... 47
Network interfaces .............................................................................................................. 47
EEPROM Interface ............................................................................................................... 48
Serial Flash Interface........................................................................................................... 48
SMBus Interface.................................................................................................................. 48
NC-SI Interface................................................................................................................... 48
MDIO/2 wires Interfaces....................................................................................................... 48
Software-Definable Pins (SDP) Interface (General-Purpose I/O)................................................. 49
LEDs Interface .................................................................................................................... 49
Comparing Product Features ....................................................................................................... 49
Overview of New Capabilities ...................................................................................................... 53
IPsec Off Load for Flows....................................................................................................... 53
Security............................................................................................................................. 54
Transmit Rate Limiting (TRL) ................................................................................................ 54
Performance....................................................................................................................... 54
1.2.1.1
1.2.1.2
1.2.1.3
1.2.1.4
1.2.1.5
1.2.1.6
1.2.2
1.2.3
1.2.4
1.3
1.3.1
1.4
1.4.1
1.4.2
1.4.3
1.4.4
1.4.5
1.4.6
1.4.7
1.4.8
1.4.9
1.5
1.6
1.6.1
1.6.2
1.6.3
1.6.4
1.6.4.1
Tx Descriptor Write-Back ............................................................................................... 54
Rx and Tx Queues ............................................................................................................... 54
Interrupts .......................................................................................................................... 54
Virtualization ...................................................................................................................... 55
PCI SR IOV .................................................................................................................. 55
Packets Classification..................................................................................................... 55
Hardware Virtualization.................................................................................................. 55
Bandwidth Allocation ..................................................................................................... 55
VPD................................................................................................................................... 56
64 bit BARs support............................................................................................................. 56
IEEE 1588 - Precision Time Protocol (PTP) .............................................................................. 56
Device Data Flows ..................................................................................................................... 56
Transmit Data Flow ............................................................................................................. 56
Receive Data Flow............................................................................................................... 57
1.6.5
1.6.6
1.6.7
1.6.7.1
1.6.7.2
1.6.7.3
1.6.7.4
1.6.8
1.6.9
1.6.10
1.7
1.7.1
1.7.2
2.0
Pin Interface ............................................................................................................................. 59
2.1
Pin Assignment ......................................................................................................................... 59
2.1.1
2.1.2
PCIe ................................................................................................................................. 59
Flash and EEPROM Ports (8) ................................................................................................. 60
System Management Bus (SMB) Interface ............................................................................. 61
NC-SI Interface Pins ........................................................................................................... 61
Miscellaneous Pins .............................................................................................................. 62
SERDES/SGMII Pins ............................................................................................................ 62
SFP Pins ............................................................................................................................ 63
Media Dependent Interface (PHY’s MDI) Pins........................................................................... 63
LED’s (8) ..................................................................................................................... 63
Analog Pins ................................................................................................................. 64
2.1.3
2.1.4
2.1.5
2.1.6
2.1.7
2.1.8
2.1.8.1
2.1.8.2
Intel® 82576 GbE Controller
Datasheet
8
320961-015EN
Revision: 2.61
December 2010
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