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External interfaces can be configured, even if they are not CPU ports. The first CPU port will also be the trap port (for receiving trapped frames from the switch). The CPU information was dropped from chip data as it was not used outside setup. The only other place it was used is when it wrongly checks for CPU port when it should check for extint. The supported modes check now uses port type and not port usage. As a byproduct, more than one CPU can be configured. although this might not work well with DSA setups. Also, this driver is still only blindly forwarding all traffic to CPU port(s). This change was not tested in a device with multiple active external interfaces ports. realtek_priv->cpu_port is now only used by rtl8366rb.c Signed-off-by: Luiz Angelo Daros de Luca <luizluca@gmail.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.