Page MenuHomeFreeBSD
Differential D12429

hyperv/hn: Fix UDP checksum offload issue in Azure
ClosedPublic
Actions

Authored by sepherosa_gmail.com on Sep 21 2017, 7:25 AM.
Tags
None
Referenced Files
F151097901: D12429.id.diff
Mon, Apr 6, 12:55 AM
Unknown Object (File)
Sat, Apr 4, 6:51 AM
Unknown Object (File)
Thu, Apr 2, 11:50 PM
Unknown Object (File)
Tue, Mar 17, 5:13 AM
Unknown Object (File)
Sun, Mar 15, 11:55 AM
Unknown Object (File)
Wed, Mar 11, 3:33 PM
Unknown Object (File)
Wed, Mar 11, 11:23 AM
Unknown Object (File)
Tue, Mar 10, 10:07 PM
View All Files
Subscribers
None

Details

Reviewers
decui_microsoft.com
honzhan_microsoft.com
howard0su_gmail.com
royger
Commits
rS324049: hyperv/hn: Fix UDP checksum offload issue in Azure.
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 - subversion
Lint
Lint Not Applicable
Unit
Tests Not Applicable

Event Timeline

sepherosa_gmail.com created this revision.Sep 21 2017, 7:25 AM
Closed by commit rS324049: hyperv/hn: Fix UDP checksum offload issue in Azure. (authored by sephe). · Explain WhySep 27 2017, 5:45 AM
This revision was automatically updated to reflect the committed changes.

Revision Contents
Changeset List

PathSize
head/
sys/
dev/
hyperv/
netvsc/
59 lines

Diff 33480

View Options

head/sys/dev/hyperv/netvsc/if_hn.c

Loading...