Intel® Arria® 10 and Intel® Cyclone® 10 GX Avalon® Streaming Interface for PCI Express* User Guide

ID 683647
Date 6/03/2021
Public
Document Table of Contents

8.2. Data Link Layer Errors

Table 63.  Errors Detected by the Data Link Layer

Error

Type

Description

Bad TLP

Correctable

This error occurs when a LCRC verification fails or when a sequence number error occurs.

Bad DLLP

Correctable

This error occurs when a CRC verification fails.

Replay timer

Correctable

This error occurs when the replay timer times out.

Replay num rollover

Correctable

This error occurs when the replay number rolls over.

Data Link Layer protocol

Uncorrectable(fatal)

This error occurs when a sequence number specified by the Ack/Nak block in the Data Link Layer (AckNak_Seq_Num) does not correspond to an unacknowledged TLP.

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