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Introduce decrypt FT, the RX error FT and the default rules. The IPsec RX decrypt flow table is pointed by the TTC (Traffic Type Classifier) ESP steering rules. The decrypt flow table has two flow groups. The first flow group keeps the decrypt steering rule programmed via the "ip xfrm s" interface. The second flow group has a default rule to forward all non-offloaded ESP packet to the TTC ESP default RSS TIR. The RX error flow table is the destination of the decrypt steering rules in the IPsec RX decrypt flow table. It has a fixed rule with single copy action that copies ipsec_syndrome to metadata_regB[0:6]. The IPsec syndrome is used to filter out non-ipsec packet and to return the IPsec crypto offload status in Rx flow. The destination of RX error flow table is the TTC ESP default RSS TIR. All the FTs (decrypt FT and error FT) are created only when IPsec SAs are added. If there is no IPsec SAs, the FTs are removed. Signed-off-by: Huy Nguyen <huyn@mellanox.com> Reviewed-by: Boris Pismenny <borisp@mellanox.com> Reviewed-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> |
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| Documentation | ||
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| 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.