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The current steps that are performed when the trust state changes, if the channels are active: 1. The trust state is changed in hardware. 2. The new inline mode is calculated. 3. If the new inline mode is different, the channels are recreated using the new inline mode. This approach has some issues: 1. There is a time gap between changing trust state in hardware and starting sending enough inline headers (the latter happens after recreation of channels). It leads to failed transmissions and error CQEs. 2. If the new channels fail to open, we'll be left with the old ones, but the hardware will be configured for the new trust state, so the interval when we can see TX errors never ends. This patch fixes the issues above by moving the trust state change into the preactivate hook that runs during the recreation of the channels when no channels are active, so it eliminates the gap of partially applied configuration. If the inline mode doesn't change with the change of the trust state, the channels won't be recreated, just like before this patch. Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com> Reviewed-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.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.