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7fb1b8ca8f
Extract "Protocol" field decompression code from transport protocols to PPP generic layer, where it actually belongs. As a consequence, this patch fixes incorrect place of PFC decompression in L2TP driver (when it's not PPPOX_BOUND) and also enables this decompression for other protocols, like PPPoE. Protocol field decompression also happens in PPP Multilink Protocol code and in PPP compression protocols implementations (bsd, deflate, mppe). It looks like there is no easy way to get rid of that, so it was decided to leave it as is, but provide those cases with appropriate comments instead. Changes in v2: - Fix the order of checking skb data room and proto decompression - Remove "inline" keyword from ppp_decompress_proto() - Don't split line before function name - Prefix ppp_decompress_proto() function with "__" - Add ppp_decompress_proto() function with skb data room checks - Add description for introduced functions - Fix comments (as per review on mailing list) Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org> Reviewed-by: Guillaume Nault <g.nault@alphalink.fr> Signed-off-by: David S. Miller <davem@davemloft.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.