Add HW RSS support to VNIC driver
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Authored by zbb on May 5 2016, 5:19 PM.

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rS299444: Add HW RSS support to VNIC driver

Summary

Based on v1.0 driver provided by Cavium under BSD license.
Support in-hardware RSS to distribute IP, UDP and TCP traffic
among available RX Queues and hence multiple CPUs.

Reviewed by:
Obtained from: Semihalf
Sponsored by: Cavium

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rS FreeBSD src repository - subversion

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zbb updated this revision to Diff 15941.May 5 2016, 5:19 PM

zbb retitled this revision from to Add HW RSS support to VNIC driver.

zbb updated this object.

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

zbb added a reviewer: wma.

zbb set the repository for this revision to rS FreeBSD src repository - subversion.

zbb added a subscriber: arm64.

Herald added a subscriber: imp. · View Herald TranscriptMay 5 2016, 5:19 PM

wma accepted this revision.May 6 2016, 7:39 AM

wma edited edge metadata.

wma added inline comments.

sys/dev/vnic/nic.h
195	If this really needs to be cache aligned (I doubt it, though) we need to fix CACHE_LINE_SIZE. That define is 64b while on ThunderX we've got 128b lines.

This revision is now accepted and ready to land.May 6 2016, 7:39 AM

zbb added inline comments.May 6 2016, 9:25 AM

sys/dev/vnic/nic.h
195	Copy paste from the reference code. Can be removed. Also please change the cache line size definition. I thought it was done long ago already and is as for AMD64