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[ Upstream commitcee2648762] In flow steering, if asked to, the hardware matches on the first ethertype which is not vlan. It's possible to set a rule as follows, which is meant to match on untagged packet, but will match on a vlan packet: tc filter add dev eth0 parent ffff: protocol ip flower ... To avoid this for packets with single tag, we set vlan masks to tell hardware to check the tags for every matched packet. Fixes:095b6cfd69('net/mlx5e: Add TC vlan match parsing') Signed-off-by: Jianbo Liu <jianbol@mellanox.com> Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.