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c8123ead13
This patch proposes to extend the sk_lookup() BPF API to the XDP hookpoint. The sk_lookup() helper supports a lookup on incoming packet to find the corresponding socket that will receive this packet. Current support for this BPF API is at the tc hookpoint. This patch will extend this API at XDP hookpoint. A XDP program can map the incoming packet to the 5-tuple parameter and invoke the API to find the corresponding socket structure. Signed-off-by: Nitin Hande <Nitin.Hande@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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.