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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.
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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.

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rS FreeBSD src repository - subversion
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This revision was automatically updated to reflect the committed changes.