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b7cf966126
This patch adds support to install flow rules using ipv4 proto or ipv6 next header field to distinguish between tcp/udp/sctp/esp/ah flows when user doesn't specify the other match creteria related to the flow such as tcp/udp/sctp source port and destination port, ah/esp spi value. This is achieved by matching the layer type extracted by NPC HW into the search key. Modified the driver to use Ethertype as match criteria when user doesn't specify source IP address and dest IP address. The esp/ah flow rule matching using security parameter index (spi) is not supported as of now since the field is not extracted into MCAM search key. Modified npc_check_field function to return bool. Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com> Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Link: https://lore.kernel.org/r/20210111112537.3277-1-naveenm@marvell.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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
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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.