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mlx5 Socket direct support and management PF profile. Tariq Says: =========== Support Socket-Direct multi-dev netdev This series adds support for combining multiple devices (PFs) of the same port under one netdev instance. Passing traffic through different devices belonging to different NUMA sockets saves cross-numa traffic and allows apps running on the same netdev from different numas to still feel a sense of proximity to the device and achieve improved performance. We achieve this by grouping PFs together, and creating the netdev only once all group members are probed. Symmetrically, we destroy the netdev once any of the PFs is removed. The channels are distributed between all devices, a proper configuration would utilize the correct close numa when working on a certain app/cpu. We pick one device to be a primary (leader), and it fills a special role. The other devices (secondaries) are disconnected from the network in the chip level (set to silent mode). All RX/TX traffic is steered through the primary to/from the secondaries. Currently, we limit the support to PFs only, and up to two devices (sockets). =========== Armen Says: =========== Management PF support and module integration This patch rolls out comprehensive support for the Management Physical Function (MGMT PF) within the mlx5 driver. It involves updating the mlx5 interface header to introduce necessary definitions for MGMT PF and adding a new management PF netdev profile, which will allow the host side to communicate with the embedded linux on Blue-field devices. =========== -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEGhZs6bAKwk/OTgTpSD+KveBX+j4FAmWDjMMACgkQSD+KveBX +j5VFgf/b59UxW5f0aL08CI1XAY5cKHmsYADj2oNhujXGh/TsZAEwedIT5CUvzhH /hgmGLDPRTbEHjSWOXAV4m35VAO38wpTFVVbUfvPBri8bWc7OyuofDDVkt0LuU6n aa0lsF+BDnD5il3C1MjzsnTTThVJ9IoNEuE74MOQoYCNGpU0XANcb8aO0hEx+Xr0 bJu9E/4e3qDHOQk+vAPY+ssoDv67gT6ED7OFfyP/v8r0eqwXBedbWEDq5Za10xdQ 62z/9dkC8vxN7Q8KjbC6s9CA0eYf69muD4Ggeo2S6lPfO6UclAwQhYYMBjzpDEf3 kQXdTJL0VWgPmWq0Sw8S2lyMmD7qKQ== =16bl -----END PGP SIGNATURE----- Merge tag 'mlx5-updates-2023-12-20' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux Saeed Mahameed says: ==================== mlx5-updates-2023-12-20 mlx5 Socket direct support and management PF profile. Tariq Says: =========== Support Socket-Direct multi-dev netdev This series adds support for combining multiple devices (PFs) of the same port under one netdev instance. Passing traffic through different devices belonging to different NUMA sockets saves cross-numa traffic and allows apps running on the same netdev from different numas to still feel a sense of proximity to the device and achieve improved performance. We achieve this by grouping PFs together, and creating the netdev only once all group members are probed. Symmetrically, we destroy the netdev once any of the PFs is removed. The channels are distributed between all devices, a proper configuration would utilize the correct close numa when working on a certain app/cpu. We pick one device to be a primary (leader), and it fills a special role. The other devices (secondaries) are disconnected from the network in the chip level (set to silent mode). All RX/TX traffic is steered through the primary to/from the secondaries. Currently, we limit the support to PFs only, and up to two devices (sockets). =========== Armen Says: =========== Management PF support and module integration This patch rolls out comprehensive support for the Management Physical Function (MGMT PF) within the mlx5 driver. It involves updating the mlx5 interface header to introduce necessary definitions for MGMT PF and adding a new management PF netdev profile, which will allow the host side to communicate with the embedded linux on Blue-field devices. =========== ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
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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.