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Add network QoS support for PCP to iscsi target.
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Authored by rscheff on Oct 11 2020, 1:27 PM.

Details

Summary

The Ethernet PCP codepoint should be configurable
for L2 local traffic, to allow lower latency for
iSCSI block IO. This Diff addresses the target
side only.

Test Plan

Once a PCP is configured to a portal group, validate
with tcpdump, that a 802.1Q header is injected
containing the appropriate PCP value.

Diff Detail

Repository
rS FreeBSD src repository
Lint
Automatic diff as part of commit; lint not applicable.
Unit
Automatic diff as part of commit; unit tests not applicable.

Event Timeline

rscheff created this revision.

Minor line break needed in the man page.

usr.sbin/ctld/ctl.conf.5
262 ↗(On Diff #78104)

Line break needed here after the sentence stop.

usr.sbin/ctld/ctl.conf.5
262 ↗(On Diff #78107)

I meant this position here for the line break. ;-)

This revision is now accepted and ready to land.Oct 11 2020, 1:49 PM
mav requested changes to this revision.Oct 12 2020, 2:19 PM
This revision now requires changes to proceed.Oct 12 2020, 2:19 PM
This revision is now accepted and ready to land.Oct 12 2020, 2:19 PM
This revision was automatically updated to reflect the committed changes.