oce(4): Account and trace mbufs before handing to hw
ClosedPublic
Actions

Authored by cem on Jun 19 2020, 8:50 PM.

Tags

None

Referenced Files

	F148978215: D25364.id73354.diff
	Sat, Mar 21, 11:52 AM

	Unknown Object (File)
	Wed, Mar 18, 12:37 PM

	Unknown Object (File)
	Wed, Mar 18, 7:01 AM

	Unknown Object (File)
	Tue, Mar 17, 11:57 AM

	Unknown Object (File)
	Tue, Mar 17, 10:37 AM

	Unknown Object (File)
	Mon, Mar 16, 5:51 PM

	Unknown Object (File)
	Mon, Mar 16, 6:54 AM

	Unknown Object (File)
	Thu, Mar 12, 8:36 AM

View All Files

Subscribers

imp

Details

Reviewers

rstone
markj
kevans

Commits

rS362439: oce(4): Account and trace mbufs before handing to hw

Summary

Once tx mbufs have been handed to hardware, nothing serializes the tx
path against completion and potential use-after-free of the outbound
mbuf. Perform accounting and BPF tap before queueing to hardware to
avoid this race.

Submitted by: Steve Wirtz <steve_wirtz AT dell.com>

Diff Detail

Lint

Lint Passed

Unit

No Test Coverage

Build Status

Buildable 31835
Build 29395: arc lint + arc unit

Event Timeline

cem requested review of this revision.Jun 19 2020, 8:50 PM

cem created this revision.

Harbormaster completed remote builds in B31835: Diff 73354.Jun 19 2020, 8:51 PM

markj accepted this revision.Jun 20 2020, 12:31 AM

This revision is now accepted and ready to land.Jun 20 2020, 12:31 AM

rstone accepted this revision.Jun 20 2020, 5:04 PM

Closed by commit rS362439: oce(4): Account and trace mbufs before handing to hw (authored by cem). · Explain WhyJun 20 2020, 5:23 PM

This revision was automatically updated to reflect the committed changes.

cem added a commit: rS362439: oce(4): Account and trace mbufs before handing to hw.

Herald added a subscriber: imp. · View Herald TranscriptJun 20 2020, 5:23 PM

Revision Contents
Changeset List

Path

Size

sys/

dev/

oce/

oce_if.c

18 lines

Diff 73354

View Options

oce(4): Account and trace mbufs before handing to hwClosedPublicActions