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When MPWQE is disabled, mlx5e_open_xdpsq() prefills the common fields of WQEs in the XDP SQ to save time when sending packets. mlx5e_xmit_xdp_frame() runs on the prefilled fields, however, sending multi buffer XDP frames would require changing some of these fields on a per-packet basis. Besides that, mlx5e_xmit_xdp_frame() will be used as a fallback to send multi buffer XDP frames when MPWQE is enabled (MPWQE can only handle linear packets). In order to prepare for XDP multi buffer support, this commit introduces a mode for mlx5e_xmit_xdp_frame() that fills all the fields itself. Signed-off-by: Maxim Mikityanskiy <maximmi@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.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.