hw.iavf.enable_head_writeback

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Property Value
OID 6.7ffff7a4.7ffff7a3
Description For detecting last completed TX descriptor by hardware, use value written by HW instead of checking descriptors
Label
Type integer
Format I
Flags
  • RD, Can read the value
  • TUN, Default value is loaded from getenv()
  • RDTUN, RD and TUN
  • NOFETCH, Don't fetch tunable from getenv()
  • MPSAFE, Multiprocessor safe