[Bug 239704] ixgbe(4): Only one queue (of eight) enabled on 12.0-RELEASE (ProLiant DL380 Gen10)

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=239704

Jeff Pieper <jeffrey.e.pieper at intel.com> changed:

           What    |Removed                     |Added
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                 CC|                            |jeffrey.e.pieper at intel.com

--- Comment #3 from Jeff Pieper <jeffrey.e.pieper at intel.com> ---
The driver that is in 12.0 uses the iflib framework, which makes it impossible
to port 3.3.6 into BASE. The driver version is printed via sysctl:

# sysctl dev.ix|grep version
dev.ix.0.iflib.driver_version: 4.0.1-k
dev.ix.1.iflib.driver_version: 4.0.1-k

The vendor-specific (non-iflib) sysctls for ix are:

dev.ix.x.advertise_speed: 0
dev.ix.x.fc: 0

You can read more about iflib (available sysctls etc) here:

https://www.freebsd.org/cgi/man.cgi?query=iflib&sektion=4&apropos=0&manpath=FreeBSD+12.0-RELEASE+and+Ports

One of our developers will work on investigating this, but it may be specific
to your hardware, as we do not see this on OEM-generic adapters. There also may
be relevant iflib changes in 12-STABLE or CURRENT as well.

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