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Differential D9061

sfxge(4): allow DMA descs to cross 4k boundary on EF10
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Authored by arybchik on Jan 6 2017, 8:31 AM.
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philip
np
gnn
bz
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rS311640: sfxge(4): allow DMA descs to cross 4k boundary on EF10
Summary

Siena has limitation on maximum byte count and 4k boundary crosssing
(which is stricter than maximum byte count).
EF10 has limitation on maximum byte count only.

Sponsored by: Solarflare Communications, Inc.
MFC after: 2 days

Test Plan

module build tested, driver loaded/unloaded, interface up/down
traffic works fine
huge file transfer using scp tested, data integrity checked

Diff Detail

Repository
rS FreeBSD src repository - subversion
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Lint Not Applicable
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Event Timeline

arybchik updated this revision to Diff 23650.Jan 6 2017, 8:31 AM
arybchik retitled this revision from to sfxge(4): allow DMA descs to cross 4k boundary on EF10.
arybchik updated this object.
arybchik edited the test plan for this revision. (Show Details)
arybchik added reviewers: gnn, philip, np, bz.
Herald added a subscriber: imp. · View Herald TranscriptJan 6 2017, 8:31 AM
philip accepted this revision.Jan 6 2017, 9:00 AM
philip edited edge metadata.
This revision is now accepted and ready to land.Jan 6 2017, 9:00 AM
Closed by commit rS311640: sfxge(4): allow DMA descs to cross 4k boundary on EF10 (authored by arybchik). · Explain WhyJan 7 2017, 10:55 AM
This revision was automatically updated to reflect the committed changes.

Revision Contents
Changeset List

PathSize
head/
sys/
dev/
sfxge/
common/
9 lines
7 lines
16 lines
4 lines
4 lines
4 lines
7 lines

Diff 23702

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head/sys/dev/sfxge/common/ef10_tx.c

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head/sys/dev/sfxge/common/efx.h

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head/sys/dev/sfxge/common/efx_tx.c

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head/sys/dev/sfxge/common/hunt_nic.c

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head/sys/dev/sfxge/common/medford_nic.c

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head/sys/dev/sfxge/common/siena_nic.c

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head/sys/dev/sfxge/sfxge_tx.c

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