hyperv/hn: If the mbuf does not have flowid, fallback to m_ether_hash
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Authored by sepherosa_gmail.com on Nov 15 2016, 3:22 AM.

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howard0su_gmail.com
honzhan_microsoft.com
decui_microsoft.com
• hselasky
delphij
royger

Summary

This seems to be a reasonable solution, especially for TCP SYNs and
UDP datagrams w/o RSS kernel option.

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sepherosa_gmail.com updated this revision to Diff 22205.Nov 15 2016, 3:22 AM

sepherosa_gmail.com retitled this revision from to hyperv/hn: If the mbuf does not have flowid, fallback to m_ether_hash.

sepherosa_gmail.com updated this object.

sepherosa_gmail.com edited the test plan for this revision. (Show Details)

sepherosa_gmail.com added reviewers: delphij, royger, decui_microsoft.com, honzhan_microsoft.com, howard0su_gmail.com, • hselasky.

Looks good.

This revision is now accepted and ready to land.Nov 15 2016, 7:32 AM

It nullifies Hyper-V hot channel effect, thus actually hurts performance. Drop it.

Revision Contents
Changeset List

Path

Size

sys/

dev/

hyperv/

netvsc/

if_hn.c

14 lines

if_hnvar.h

1 line

Diff 22205

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sys/dev/hyperv/netvsc/if_hn.c