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There are FW versions out there that do not support CFF flood mode, and on Spectrum-1 in particular, there is no plan to support it at all. mlxsw will therefore have to support both controlled flood mode as well as CFF. There are also FW versions out there that claim to support CFF flood mode, but then reject or ignore configurations enabling the same. The driver thus has to have a say in whether an attempt to configure CFF flood mode should even be made, and what to use as a fallback. Hence express the feature in terms of "does the driver prefer CFF flood mode?", and "what flood mode the PCI module managed to configure the FW with". This gives to the driver a chance to determine whether CFF flood mode configuration should be attempted. The latter bit was added in previous patches. In this patch, add the bit that allows the driver to determine whether CFF enablement should be attempted, and the enablement code itself. Signed-off-by: Petr Machata <petrm@nvidia.com> Reviewed-by: Amit Cohen <amcohen@nvidia.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Link: https://lore.kernel.org/r/41640a0ee58e0a9538f820f7b601a0e35f6449e4.1700503644.git.petrm@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
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.