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Commit34a897758e("ice: Add support for inner etype in switchdev") added the ability to match on inner ethertype. A side effect of that change is that it is now impossible to add some filters for protocols which do not contain inner ethtype field. tc requires the protocol field to be specified when providing certain other options, e.g. src_ip. This is a problem in case of GTP - when user wants to specify e.g. src_ip, they also need to specify protocol in tc command (otherwise tc fails with: Illegal "src_ip"). Because GTP is a tunnel, the protocol field is treated as inner protocol. GTP does not contain inner ethtype field and the filter cannot be added. To fix this, ignore the ethertype field in case of GTP filters. Fixes:9a225f81f5("ice: Support GTP-U and GTP-C offload in switchdev") Signed-off-by: Marcin Szycik <marcin.szycik@linux.intel.com> Tested-by: Sandeep Penigalapati <sandeep.penigalapati@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.