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hyperv/hn: Fix UDP checksum offload issue in Azure
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Authored by sepherosa_gmail.com on Sep 21 2017, 7:25 AM.

Details

Summary

UDP checksum offload does not work in Azure if following conditions are met:

  • sizeof(IP hdr + UDP hdr + payload) > 1420.
  • IP_DF is not set in IP hdr

Use software checksum for UDP datagrams falling into this category.

Diff Detail

Repository
rS FreeBSD src repository
Lint
Automatic diff as part of commit; lint not applicable.
Unit
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Event Timeline

This revision was automatically updated to reflect the committed changes.