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22fb85ffae
In rfc8684, the length of ADD_ADDR suboption with IPv4 address and port is 18 octets, but mptcp_write_options is 32-bit aligned, so we need to pad it to 20 octets. All the other port related option lengths need to be added up 2 octets similarly. This patch added a new field 'port' in mptcp_out_options. When this field is set with a port number, we need to add up 4 octets for the ADD_ADDR suboption, and put the port number into the suboption. Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> 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.