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0787840dad
When creating an L2TP tunnel using the netlink API, userspace must either pass a socket FD for the tunnel to use (for managed tunnels), or specify the tunnel source/destination address (for unmanaged tunnels). Since source/destination addresses may be AF_INET or AF_INET6, the l2tp netlink code has conditionally compiled blocks to support IPv6. Rather than embedding these directly into l2tp_nl_cmd_tunnel_create (where it makes the code difficult to read and confuses checkpatch to boot) split the handling of address-related attributes into a separate function. Signed-off-by: Tom Parkin <tparkin@katalix.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.