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Differential D21937

Support for ENA NETMAP partial initialization
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Authored by mk_semihalf.com on Oct 8 2019, 8:26 AM.
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cperciva
mw
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rS354224: Add support for ENA NETMAP partial initialization
Summary

In NETMAP mode not all queues need to be allocated to NETMAP. Some of
them could be left to the kernel. Configuration is managed by the flags
nr_mode and nr_pending_mode provided per each NETMAP kring.

ENA driver checks those flags and perform proper rings initialization.

Submitted by: Rafal Kozik <rk@semihalf.com>

Michal Krawczyk <mk@semihalf.com>

Obtained from: Semihalf
Sponsored by: Amazon, Inc.

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rS FreeBSD src repository - subversion
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Event Timeline

mk_semihalf.com created this revision.Oct 8 2019, 8:26 AM
Herald added a subscriber: imp. · View Herald TranscriptOct 8 2019, 8:26 AM
mk_semihalf.com added a parent revision: D21936: Support for ENA NETMAP Tx.Oct 8 2019, 8:26 AM
mk_semihalf.com added a child revision: D21938: Update ENA version to v2.1.0.
This revision was not accepted when it landed; it landed in state Needs Review.Oct 31 2019, 4:02 PM
Closed by commit rS354224: Add support for ENA NETMAP partial initialization (authored by mw). · Explain Why
This revision was automatically updated to reflect the committed changes.
mw added a commit: rS354224: Add support for ENA NETMAP partial initialization.

Revision Contents
Changeset List

PathSize
head/
sys/
dev/
ena/
2 lines
2 lines
66 lines

Diff 63837

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head/sys/dev/ena/ena.c

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head/sys/dev/ena/ena_netmap.h

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head/sys/dev/ena/ena_netmap.c

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