in-kernel virtio and VPC (virtual private cloud) stack
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Authored by mmacy on May 8 2018, 7:02 PM.

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Reviewers

tychon
grehan
shurd
rgrimes
bryanv

Group Reviewers

bhyve

Summary

Part N of N
This can't currently go in until all of the dependencies have and the use of mvecs (possibly other incomplete features) is(/are) removed. However, 95% of it will remain unchanged and I suspect that it will take some time to digest.

vpcsw: VPC switch - soft switch
vpcp: VPC port - switch port
vpcmux: vxlan egress
ethlink - vpc handle for physical interface, also handles vlan tagging
hostif - host interface, allows host to plug in to the vpc stack

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rS FreeBSD src repository - subversion

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Event Timeline

mmacy created this revision.May 8 2018, 7:02 PM

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rgrimes added a reviewer: bhyve.May 8 2018, 7:32 PM

emaste added a subscriber: emaste.May 8 2018, 8:05 PM

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bryanv added a reviewer: bryanv.May 14 2018, 3:07 PM

bryanv added inline comments.Jun 2 2018, 7:16 PM

sys/amd64/vmm/net/if_vmnic.c
742	The VirtIO spec associates NEEDS_CSUM with 16-bit one complement checksum so I think SCTP should be removed. There have been some recent VirtIO proposals to add SCTP checksum but I don't think it made it into the spec yet. I got this incorrect in the FreeBSD guest driver and have removed it as a part of VirtIO V1 support I'm working on.