Packets marked with 'offload_l3_fwd_mark' were already forwarded by a capable device and should not be forwarded again by the kernel. Therefore, have the kernel consume them. The check is performed in ip{,6}_forward_finish() in order to allow the kernel to process such packets in ip{,6}_forward() and generate required exceptions. For example, ICMP redirects. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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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