Both in RX and TX, the traffic that performs IPsec packet offload transformation is accounted by HW. It is needed to properly handle hard limits that require to drop the packet. It means that XFRM core needs to update internal counters with the one that accounted by the HW, so new callbacks are introduced in this patch. In case of soft or hard limit is occurred, the driver should call to xfrm_state_check_expire() that will perform key rekeying exactly as done by XFRM core. Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.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.
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