When the iavf driver wants to reconfigure the VLAN filters (iavf_add_vlan, iavf_del_vlan), it sets a flag in aq_required: adapter->aq_required |= IAVF_FLAG_AQ_ADD_VLAN_FILTER; or: adapter->aq_required |= IAVF_FLAG_AQ_DEL_VLAN_FILTER; This is later processed by the watchdog_task, but it runs periodically every 2 seconds, so it can be a long time before it processes the request. In the worst case, the interface is unable to receive traffic for more than 2 seconds for no objective reason. Fixes: 5eae00c57f5e ("i40evf: main driver core") Signed-off-by: Petr Oros <poros@redhat.com> Co-developed-by: Michal Schmidt <mschmidt@redhat.com> Signed-off-by: Michal Schmidt <mschmidt@redhat.com> Co-developed-by: Ivan Vecera <ivecera@redhat.com> Signed-off-by: Ivan Vecera <ivecera@redhat.com> Reviewed-by: Ahmed Zaki <ahmed.zaki@intel.com> Reviewed-by: Simon Horman <horms@kernel.org> Tested-by: Rafal Romanowski <rafal.romanowski@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.
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