Vlad Buslov 5d862ec631 net/mlx5: Fix post parse infra to only parse every action once
Caller of mlx5e_tc_act_post_parse() needs it to parse only the subset of
actions starting after previous split and ending at the current action.
However, that range is not provided as arguments and
mlx5e_tc_act_post_parse() uses generic flow_action_for_each() that iterates
over all flow actions. Not only this is redundant, it also causes a bug
when mlx5e_tc_act->post_parse() callback is not idempotent since it will be
called for every split. For example, ct action tc_act_post_parse_ct()
callback obtains a reference to mlx5_ct_ft instance and calling it several
times during parsing stage will cause reference counter imbalance.

Fix the issue by providing a proper action range of the current split
subset to mlx5e_tc_act_post_parse() and only calling
mlx5e_tc_act->post_parse() for actions inside the subset range.

Fixes: 8300f22526 ("net/mlx5e: Create new flow attr for multi table actions")
Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2023-05-24 20:44:18 -07:00
2022-09-28 09:02:20 +02:00
2023-05-14 12:51:40 -07:00

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.
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