Fix first-packet completion
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Authored by shurd on Nov 9 2018, 7:35 PM.

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Subscribers

imp

Details

Reviewers

lev
sbruno
erj
jeb

Commits

rS340366: MFC r340310:
rS340310: Fix first-packet completion

Summary

The first packet after the ring is initialized was never
completed as isc_txd_credits_update() would not include it in the
count of completed packets. This caused netmap to never complete
a batch. See PR 233022 for more details.

Test Plan

Have lev confirm fix.

Diff Detail

Repository

rS FreeBSD src repository - subversion

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Lint Passed

Unit

No Test Coverage

Build Status

Buildable 20727
Build 20137: arc lint + arc unit

Event Timeline

shurd created this revision.Nov 9 2018, 7:35 PM

Herald added a subscriber: imp. · View Herald TranscriptNov 9 2018, 7:35 PM

Harbormaster completed remote builds in B20727: Diff 50227.Nov 9 2018, 7:35 PM

Yep, it helps, at least at em

This revision is now accepted and ready to land.Nov 9 2018, 9:43 PM

Closed by commit rS340310: Fix first-packet completion (authored by shurd). · Explain WhyNov 9 2018, 10:19 PM

This revision was automatically updated to reflect the committed changes.

Revision Contents
Changeset List

Path

Size

sys/

dev/

e1000/

em_txrx.c

6 lines

igb_txrx.c

6 lines

Diff 50227

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sys/dev/e1000/em_txrx.c