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Differential D6653

if_dwc: Multicast and FCS fixes
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Authored by jmcneill on May 31 2016, 12:27 AM.
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loos
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ARM
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rS301693: Multicast filters on DWC_GMAC_ALT_DESC type implementations use a different
Summary

Multicast filters are different between the two versions of dwc supported by the driver. This patch adds support for the second (DWC_GMAC_ALT_DESC mode) type of filters.

In addition, remove trailing FCS in receive path. dhclient complains:

ip length 334 disagrees with bytes received 338.

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rS FreeBSD src repository - subversion
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jmcneill updated this revision to Diff 17125.May 31 2016, 12:27 AM
jmcneill retitled this revision from to if_dwc: Fix multicast in DWC_GMAC_ALT_DESC mode.
jmcneill updated this object.
jmcneill edited the test plan for this revision. (Show Details)
jmcneill added reviewers: ARM, loos.
jmcneill set the repository for this revision to rS FreeBSD src repository - subversion.
jmcneill added a project: ARM.
Herald added a subscriber: imp. · View Herald TranscriptMay 31 2016, 12:27 AM
jmcneill updated this revision to Diff 17142.May 31 2016, 9:26 AM
jmcneill updated this revision to Diff 17143.May 31 2016, 9:51 AM
jmcneill retitled this revision from if_dwc: Fix multicast in DWC_GMAC_ALT_DESC mode to if_dwc: Multicast and FCS fixes.
jmcneill updated this object.

Remove trailing FCS in receive path. Fixes "ip length XXX disagrees with bytes received YYY" message from dhclient.

jmcneill added inline comments.May 31 2016, 9:55 AM
sys/dev/dwc/if_dwc.c
772 ↗(On Diff #17143)

I wanted to use M_HASFCS here but if_ethersubr.c passes the mbuf to BPF before stripping FCS (so dhclient still complained).

loos accepted this revision.Jun 4 2016, 3:09 PM
loos edited edge metadata.
This revision is now accepted and ready to land.Jun 4 2016, 3:09 PM
Closed by commit rS301693: Multicast filters on DWC_GMAC_ALT_DESC type implementations use a different (authored by jmcneill). · Explain WhyJun 8 2016, 8:22 PM
This revision was automatically updated to reflect the committed changes.

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head/
sys/
dev/
dwc/
30 lines

Diff 17436

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head/sys/dev/dwc/if_dwc.c

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