hyperv/hn: Reduce TCP segment aggregation limit for multiple RX rings
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Authored by sepherosa_gmail.com on Mar 21 2016, 2:51 AM.

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howard0su_gmail.com
honzhan_microsoft.com
decui_microsoft.com
delphij
royger
adrian

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network

Commits

rS297180: hyperv/hn: Reduce TCP segment aggregation limit for multiple RX rings

Summary

hyperv/hn: Reduce TCP segment aggregation limit for multiple RX rings

This mainly used to improve ACK timeliness when multiple RX rings are enabled.

This value gives the best performance in both Azure and Hyper-V environment, w/ both 10Ge and 40Ge using non-{INVARIANTS,WITNESS} kernel.

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Repository

rS FreeBSD src repository - subversion

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sepherosa_gmail.com updated this revision to Diff 14462.Mar 21 2016, 2:51 AM

sepherosa_gmail.com retitled this revision from to hyperv/hn: Reduce TCP segment aggregation limit for multiple RX rings.

sepherosa_gmail.com updated this object.

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

sepherosa_gmail.com added reviewers: network, adrian, delphij, royger, decui_microsoft.com, honzhan_microsoft.com, howard0su_gmail.com.

Closed by commit rS297180: hyperv/hn: Reduce TCP segment aggregation limit for multiple RX rings (authored by sephe). · Explain WhyMar 22 2016, 6:32 AM

This revision was automatically updated to reflect the committed changes.

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Path

Size

head/

sys/

dev/

hyperv/

netvsc/

hv_netvsc_drv_freebsd.c

16 lines

Diff 14498

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

hyperv/hn: Reduce TCP segment aggregation limit for multiple RX ringsClosedPublicActions