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Differential D4717

Use m_collapse(9) instead of m_defrag(9) in e1000 drivers
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Authored by marius on Dec 28 2015, 12:26 AM.
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rS293854: Given that em(4), lem(4) and igb(4) hardware doesn't require the
Summary

Given that em(4), lem(4) and igb(4) hardware doesn't require the
alignment guarantees provided by m_defrag(9), use m_collapse(9)
instead for performance reasons.
While at it, sanitize the statistics softc members, i. e. retire
unused ones and add SYSCTL nodes missing for actually used ones.

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rS FreeBSD src repository - subversion
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marius updated this revision to Diff 11728.Dec 28 2015, 12:26 AM
marius retitled this revision from to Use m_collapse(9) instead of m_defrag(9) in e1000 drivers.
marius updated this object.
marius edited the test plan for this revision. (Show Details)
marius added a reviewer: erj.
marius set the repository for this revision to rS FreeBSD src repository - subversion.
Herald added a subscriber: imp. · View Herald TranscriptDec 28 2015, 12:26 AM
sbruno accepted this revision.Jan 5 2016, 5:41 PM
sbruno added a reviewer: sbruno.
sbruno added a subscriber: sbruno.

This looks fine and an improvement.

This revision is now accepted and ready to land.Jan 5 2016, 5:41 PM
Closed by commit rS293854: Given that em(4), lem(4) and igb(4) hardware doesn't require the (authored by marius). · Explain WhyJan 13 2016, 9:47 PM
This revision was automatically updated to reflect the committed changes.

Revision Contents
Changeset List

PathSize
head/
sys/
dev/
e1000/
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Diff 12268

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head/sys/dev/e1000/if_em.h

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head/sys/dev/e1000/if_em.c

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head/sys/dev/e1000/if_igb.h

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head/sys/dev/e1000/if_igb.c

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head/sys/dev/e1000/if_lem.h

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head/sys/dev/e1000/if_lem.c

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