[Bug 236584] em(4): Cannot disable vlanhwtag

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236584

Vincenzo Maffione <vmaffione at FreeBSD.org> changed:

           What    |Removed                     |Added
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             Status|Open                        |In Progress

--- Comment #14 from Vincenzo Maffione <vmaffione at FreeBSD.org> ---
(In reply to Kubilay Kocak from comment #11)
Looking at the ixgbe(4) driver, I see the same VME bit, and the same code
pattern as in em(4). So it is possible in principle that the same issue affect
also ixgbe(4).

However, the NIC may be just different, not needing an explicit reset of the
VME bit at interface initialization time. If anyone has some ixgbe(4) card and
is willing to test, they could try to play with VLANs, toggling the vlanhwtag
ifconfig features on and off to check that things keep working.

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