Debugging Packet LOSS and QMAN Enqueue Rejection Issues on DPAA Platforms

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1. Debugging Packet Loss Issue

1.1 Frame Manager(FMan) Introduction

1.2 Frame Manager Buffer Manager Interface (BMI) Rx Port Statistics Counters

1.3 Linux Sysfs Support for Fman Rx Port Statistics

2. Queue Manager(Qman) Enqueue Rejections

2.1 Reasons for an Enqueue Rejection

2.2 Frame Queue Descriptor

2.3 Qman Debugfs

2.4 Buffer Manager (BMan) Debugfs