Intel® IXF1104 4-Port Gigabit Ethernet Media Access Controller

Table 93. MAC RX Statistics ($ Port_Index + 0x20 – + 0x39) (Sheet 4 of 4)

Name

 

Description

Address

Type1

Default

 

 

 

 

 

 

 

 

The total number of packets received that are

 

 

 

 

 

less than 64 octets in length, but longer than or

 

 

 

 

 

equal to 96 bit times, which corresponds to a 4-

 

 

 

 

 

byte frame with a well-formed preamble and

 

 

 

 

 

SFD. This is the shortest fragment and can be

 

 

 

 

 

transmitted in case of a collision event on a half-

 

 

 

 

 

duplex segment. This counter indicates fragment

 

 

 

 

 

sizes, which is expected on half-duplex

 

 

 

 

 

segments but not on full-duplex links, and the

 

 

 

 

 

counter is only fully updated after receipt of a

 

 

 

 

 

good frame following a fragment.

 

 

 

RxRuntErrors3

 

NOTE: The ShortRuntsThreshold register

Port_Index

 

 

 

controls the byte count used to

R

0x00000000

 

 

determine the difference between Runts

+ 0x35

 

 

 

 

 

 

 

 

 

and Shorts and therefore controls which

 

 

 

 

 

counter is incremented for a given frame

 

 

 

 

 

size. This counter is only updated after

 

 

 

 

 

receipt of two good frames.

 

 

 

 

 

NOTE: This counter is only valid when the

 

 

 

 

 

selected port within the IXF1104 MAC is

 

 

 

 

 

operating in copper (RGMII or GMII)

 

 

 

 

 

mode. The RuntError counter is not

 

 

 

 

 

updated when the selected port within

 

 

 

 

 

the IXF1104 MAC is configured to

 

 

 

 

 

operated in fiber (SerDes) mode.

 

 

 

 

 

 

 

 

 

 

 

The total number of packets received that are

 

 

 

 

 

less than 96 bit times, which corresponds to a 4-

 

 

 

 

 

byte frame with a well-formed preamble and

 

 

 

 

 

SFD. This counter indicates fragment sizes

 

 

 

 

 

illegal in all modes and is only fully updated after

 

 

 

 

 

reception of a good frame following a fragment.

 

 

 

RxShort Errors3

 

NOTE: This register is only relevant when the

Port_Index

R

0x00000000

 

 

IXF1104 MAC port is configured for

+ 0x36

 

 

 

 

copper operation (the line side interface

 

 

 

 

 

is configured for either RGMII or GMII

 

 

 

 

 

operation). This register will not

 

 

 

 

 

increment when the IXF1104 MAC port

 

 

 

 

 

is configured for fiber operation using

 

 

 

 

 

the SerDes interface.

 

 

 

 

 

 

 

 

 

RxCarrier Extend

 

Not applicable.

Port_Index

R

0x00000000

Error

 

+ 0x37

 

 

 

 

 

 

 

 

 

 

RxSequenceErrors

4

Records the number of sequencing errors that

Port_Index

R

0x00000000

 

occur in fiber mode.

+ 0x38

 

 

 

 

 

 

 

 

 

 

RxSymbolErrors4

 

Records the number of symbol errors

Port_Index

R

0x00000000

 

encountered by the PHY.

+ 0x39

 

 

 

 

 

 

 

 

 

 

1. RO = Read Only, No clear on Read; R = Read, Clear on Read; W = Write only; R/W = Read/Write, No clear; R/W/C = Read/Write, Clear on Write

2. When sending in large frames, the counters can only handle certain limits. The behavior of the LongErrors and VeryLongErrors counters is as follows: VeryLongErrors counts frames that are 2*maxframesize, dependent upon where maxframesize is set. If maxframesize sets greater than half of the available count in RxOctetsBad (2^14-1), VeryLongErrors is never incremented, but LongErrors is incremented. This is due to a limitation in the counter size, which means that an accurate count will not occur in the RxOctetsBAD counter if the frame is larger than 2^14-1.

3. This register is relevant only when configured for copper operation.

4. This register is relevant only when configured for fiber operation (line side interface is SerDes).

177

Datasheet

Document Number: 278757

Revision Number: 009

Revision Date: 27-Oct-2005

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Intel IXF1104 manual MAC RX Statistics $ PortIndex + 0x20 + 0x39 Sheet 4
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IXF1104 specifications

The Intel IXF1104 is a cutting-edge Network Interface Controller (NIC) designed to meet the needs of high-speed communication in modern networking environments. As the demand for bandwidth-intensive applications continues to grow, Intel's IXF1104 is engineered to deliver exceptional performance, reliability, and scalability, making it an ideal choice for data centers and enterprise networks.

One of the main features of the IXF1104 is its support for high-speed Ethernet connectivity, providing up to 100 Gbps throughput. This capability allows organizations to handle large amounts of data traffic efficiently, accommodating everything from cloud computing to big data analytics. The NIC utilizes advanced packet processing technology which ensures minimal latency, enhancing the overall user experience.

The IXF1104 is built on a robust architecture that integrates Intel's latest processing technologies. It incorporates a multi-core processing engine that allows for parallel processing of network packets, improving the handling of simultaneous network requests. This architecture also supports offloading features, freeing up CPU resources for other critical tasks, which optimizes system performance.

In terms of technologies, the IXF1104 supports a variety of standards including Ethernet and Fiber Channel, making it versatile across different networking environments. Its compatibility with industry-standard networking protocols ensures that it can easily integrate into existing frameworks, facilitating seamless upgrades and expansions.

Another significant characteristic of the IXF1104 is its energy efficiency. With Intel’s focus on sustainability, this NIC is designed to consume less power relative to its performance output, thereby reducing overall operational costs for organizations. It employs dynamic power management features that adjust power usage based on demand, which is especially beneficial in large-scale deployments.

Additionally, security features are woven into the IXF1104 design, protecting sensitive data from potential threats. Hardware-based security functions, including encryption capabilities and secure boot processes, ensure that the NIC can safeguard data integrity against unauthorized access.

Overall, the Intel IXF1104 stands out in the crowded NIC market by offering high-performance capabilities, energy efficiency, and robust security features. Its combination of advanced technologies and characteristics positions it as a strategic asset for modern networks, empowering organizations to achieve their connectivity and performance goals in an increasingly data-driven world.
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