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When an interface with the maximum number of VLAN filters is brought up,
a spurious error is logged:
[257.483082] 8021q: adding VLAN 0 to HW filter on device enp0s3
[257.483094] iavf 0000:00:03.0 enp0s3: Max allowed VLAN filters 8. Remove existing VLANs or disable filtering via Ethtool if supported.
The VF driver complains that it cannot add the VLAN 0 filter.
On the other hand, the PF driver always adds VLAN 0 filter on VF
initialization. The VF does not need to ask the PF for that filter at
all.
Fix the error by not tracking VLAN 0 filters altogether. With that, the
check added by commit 0e710a3ffd ("iavf: Fix VF driver counting VLAN 0
filters") in iavf_virtchnl.c is useless and might be confusing if left as
it suggests that we track VLAN 0.
Fixes: 0e710a3ffd ("iavf: Fix VF driver counting VLAN 0 filters")
Signed-off-by: Ahmed Zaki <ahmed.zaki@intel.com>
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.