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In 98xx, there are 2 NIX blocks and 4 LBK blocks present. The way these NIX-LBK should be configured depends on the use case. By default loopback functionality is supported in AF VF pairs which are attached to NIX0 and NIX1 LFs alternatively to ensure load balancing. NIX0 transmits a packet to LBK1 which will be received by NIX1 and packet transmitted by NIX1 will get received by NIX0 via LBK2. There are some requirements where only one AF VF is used and respective NIX is expected to operate in a mode where it can receive it own packet back. This can be achieved if NIX0 sends packet to LBK0 and not LBK1. Adding a flag in LF alloc request mailbox which can setup NIX0 to use LBK0 and NIX1 can use LBK3. Signed-off-by: Harman Kalra <hkalra@marvell.com> Signed-off-by: Sunil Goutham <sgoutham@marvell.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.