Action Engine - 2022.2 English

Vitis Networking P4 User Guide (UG1308)

Document ID
UG1308
Version
2022.2 English
Revision

Action engines can manipulate headers, metadata and internally defined match-action scalars and perform computations on the same. Action engines modify headers, metadata and internally defined match-action scalars and not packet data. Action engines are used in the following two scenarios:

  • Implicitly: by table engines during match-action processing
  • Explicitly: during standalone header, metadata and internally defined match-action scalar manipulation