hyperv/hn: Fix primary channel revocation
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Authored by sepherosa_gmail.com on Nov 18 2016, 3:17 AM.

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howard0su_gmail.com
honzhan_microsoft.com
decui_microsoft.com
delphij
royger

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rS309085: hyperv/hn: Fix primary channel revocation

Summary

Since hypervisor will not drain the TX bufring, once the channels are revoked:

Setup vmbus orphan handler properly.
Make sure that suspension will not wait the TX bufring draining forever.
GC the pending TX descs on detach path, before freeing the busdma stuffs.

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rS FreeBSD src repository - subversion

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sepherosa_gmail.com updated this revision to Diff 22306.Nov 18 2016, 3:17 AM

sepherosa_gmail.com retitled this revision from to hyperv/hn: Fix primary channel revocation.

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.

Closed by commit rS309085: hyperv/hn: Fix primary channel revocation (authored by sephe). · Explain WhyNov 24 2016, 7:35 AM

This revision was automatically updated to reflect the committed changes.

Revision Contents
Changeset List

Path

Size

head/

sys/

dev/

hyperv/

netvsc/

hn_nvs.c

14 lines

if_hn.c

132 lines

Diff 22482

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