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[ Upstream commitc635ca45a7] In the cited commit, new type of FS_TYPE_PRIO_CHAINS fs_prio was added to support multiple parallel namespaces for multi-chains. And we skip all the flow tables under the fs_node of this type unconditionally, when searching for the next or previous flow table to connect for a new table. As this search function is also used for find new root table when the old one is being deleted, it will skip the entire FS_TYPE_PRIO_CHAINS fs_node next to the old root. However, new root table should be chosen from it if there is any table in it. Fix it by skipping only the flow tables in the same FS_TYPE_PRIO_CHAINS fs_node when finding the closest FT for a fs_node. Besides, complete the connecting from FTs of previous priority of prio because there should be multiple prevs after this fs_prio type is introduced. And also the next FT should be chosen from the first flow table next to the prio in the same FS_TYPE_PRIO_CHAINS fs_prio, if this prio is the first child. Fixes:328edb499f("net/mlx5: Split FDB fast path prio to multiple namespaces") Signed-off-by: Jianbo Liu <jianbol@nvidia.com> Reviewed-by: Paul Blakey <paulb@nvidia.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Link: https://lore.kernel.org/r/7a95754df479e722038996c97c97b062b372591f.1690803944.git.leonro@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@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
``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.