Page MenuHomeFreeBSD

aue(4): fix link flaps from MII bus
Needs ReviewPublic

Authored by rkitover_gmail.com on Sun, Jun 14, 3:28 AM.
Referenced Files
F160328193: D57567.id179706.diff
Tue, Jun 23, 8:09 AM
Unknown Object (File)
Mon, Jun 22, 2:37 PM
Unknown Object (File)
Sun, Jun 21, 5:13 AM
Unknown Object (File)
Fri, Jun 19, 9:24 PM
Unknown Object (File)
Fri, Jun 19, 2:03 AM
Unknown Object (File)
Thu, Jun 18, 12:50 AM
Unknown Object (File)
Wed, Jun 17, 10:37 PM
Unknown Object (File)
Wed, Jun 17, 10:00 PM
Subscribers
This revision needs review, but there are no reviewers specified.

Details

Reviewers
None
Summary

A race condition in the MII layer causes spurious events, see:

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=252165

. Add a lock to serialize operations on the MII bus and skip ticks while
it is held.

I have tested this patch with my Belkin USB 10/100 Ethernet Adapter
F5D5050.

Signed-off-by: Rafael Kitover <rkitover@gmail.com>

Diff Detail

Repository
rG FreeBSD src repository
Lint
Lint Skipped
Unit
Tests Skipped
Build Status
Buildable 73859
Build 70742: arc lint + arc unit