sfxge(4): enforce packed stream fake buffer size
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Authored by arybchik on Nov 21 2018, 11:22 AM.

Details

Reviewers

gnn
philip

Commits

rS340830: sfxge(4): enforce packed stream fake buffer size

Summary

In the case of packed stream real size of the buffer does not fit in
Rx descriptor byte count. Real size is specified on Rx queue setup.
Non-zero fake should be used to bypass hardware checks.

Sponsored by: Solarflare Communications, Inc.

Test Plan

amd64 tinderbox kernel builds tested
driver loaded/unloaded, interfaces up/down, traffic works fine

Diff Detail

Repository

rS FreeBSD src repository - subversion

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Lint Not Applicable

Unit

Tests Not Applicable

Event Timeline

arybchik created this revision.Nov 21 2018, 11:22 AM

Harbormaster completed remote builds in B20956: Diff 50696.Nov 21 2018, 11:22 AM

This revision was not accepted when it landed; it landed in state Needs Review.Nov 23 2018, 11:39 AM

Closed by commit rS340830: sfxge(4): enforce packed stream fake buffer size (authored by arybchik). · Explain Why

This revision was automatically updated to reflect the committed changes.

Herald added a subscriber: imp. · View Herald TranscriptNov 23 2018, 11:39 AM

Revision Contents
Changeset List

Path

Size

head/

sys/

dev/

sfxge/

common/

ef10_rx.c

17 lines

efx.h

6 lines

Diff 50984

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head/sys/dev/sfxge/common/ef10_rx.c