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Differential D10923

ena: add mbuf defragmentation
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Authored by mk_semihalf.com on May 26 2017, 10:43 AM.
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cperciva
zbb
mw_semihalf.com
Commits
rS319197: Add mbuf defragmentation to the ENA driver
Summary

When mbuf chain is too long and device cannot handle that number of
segments in DMA transaction, mbuf chain will be defragmented.
Initially, driver was dropping all mbuf chains that were exceeding
supported number of segments.

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rS FreeBSD src repository - subversion
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Event Timeline

mk_semihalf.com created this revision.May 26 2017, 10:43 AM
Herald added a subscriber: imp. · View Herald TranscriptMay 26 2017, 10:43 AM
mk_semihalf.com added a child revision: D10924: ena: add locks before each ena_up and ena_down.May 26 2017, 10:46 AM
mk_semihalf.com added a subscriber: gtzalik_amazon.com.
zbb accepted this revision.May 29 2017, 10:37 AM
zbb added inline comments.
sys/dev/ena/ena.c
2657

Try to use boolean expressions in conditions such as rc != 0

This revision is now accepted and ready to land.May 29 2017, 10:37 AM
Closed by commit rS319197: Add mbuf defragmentation to the ENA driver (authored by zbb). · Explain WhyMay 30 2017, 11:53 AM
This revision was automatically updated to reflect the committed changes.

Revision Contents
Changeset List

PathSize
sys/
dev/
ena/
2 lines
59 lines
8 lines

Diff 28844

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sys/dev/ena/ena.h

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sys/dev/ena/ena.c

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sys/dev/ena/ena_sysctl.c

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