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WireGuard and IPsec both typically operate on input blocks that are ~1420 bytes in size, given the default Ethernet MTU of 1500 bytes and the overhead of the VPN metadata. Many aead and sckipher implementations are optimized for power-of-2 block sizes, and whether they perform well when operating on 1420 byte blocks cannot be easily extrapolated from the performance on power-of-2 block size. So let's add 1420 bytes explicitly, and round it up to the next blocksize multiple of the algo in question if it does not support 1420 byte blocks. Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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.