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Differential D8963

ifnet: introduce event handlers for ifup/ifdown events
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Authored by decui_microsoft.com on Dec 29 2016, 7:52 AM.
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kmacy
kib
howard0su_gmail.com
honzhan_microsoft.com
ae
cem
jhb
• hselasky
np
delphij
glebius
sepherosa_gmail.com
gnn
royger
rwatson
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rS312687: ifnet: introduce event handlers for ifup/ifdown events
Summary

Hyper-V's NIC SR-IOV implementation needs a Hyper-V synthetic NIC and
a VF NIC to work together, mainly to support seamless live migration.

When the VF device becomes UP (or DOWN), the synthetic NIC driver needs
to switch the data path from the synthetic NIC to the VF (or the opposite).

So the synthetic NIC driver needs to know when a VF device is becoming
UP or DOWN and hence the patch is made.

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rS FreeBSD src repository - subversion
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decui_microsoft.com updated this revision to Diff 23382.Dec 29 2016, 7:52 AM
decui_microsoft.com retitled this revision from to ifnet: introduce event handlers for ifup/ifdown events.
decui_microsoft.com updated this object.
decui_microsoft.com edited the test plan for this revision. (Show Details)
decui_microsoft.com added reviewers: • hselasky, sepherosa_gmail.com, cem, np, kmacy, kib, honzhan_microsoft.com, howard0su_gmail.com, jhb, ae, delphij, royger.
sepherosa_gmail.com added reviewers: glebius, gnn, rwatson.Dec 29 2016, 8:17 AM
sepherosa_gmail.com added a subscriber: freebsd-net-list.
decui_microsoft.com updated this revision to Diff 23652.Jan 6 2017, 9:23 AM
decui_microsoft.com updated this object.

Since sephe's patch (https://reviews.freebsd.org/D8905) is accepted, let me update this patch accordingly.

garga added a subscriber: garga.Jan 6 2017, 4:47 PM
sepherosa_gmail.com edited edge metadata.Jan 18 2017, 7:02 AM

If no objection comes, we plan to commit this earlier next week.

Closed by commit rS312687: ifnet: introduce event handlers for ifup/ifdown events (authored by dexuan). · Explain WhyJan 24 2017, 9:20 AM
This revision was automatically updated to reflect the committed changes.

Revision Contents
Changeset List

PathSize
head/
sys/
net/
3 lines
sys/
7 lines

Diff 24374

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head/sys/net/if.c

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head/sys/sys/eventhandler.h

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