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7305b78ae4
The rtl8152 driver does not disable multicasting when userspace asks it to. For example: $ ifconfig eth0 -multicast -allmulti $ tcpdump -p -i eth0 # will still capture multicast frames Fix by clearing the device multicast filter table when multicast and allmulti are both unset. Tested as follows: - Set multicast on eth0 network interface - verify that multicast packets are coming in: $ tcpdump -p -i eth0 - Clear multicast and allmulti on eth0 network interface - verify that no more multicast packets are coming in: $ tcpdump -p -i eth0 Signed-off-by: Sven van Ashbrook <svenva@chromium.org> Acked-by: Hayes Wang <hayeswang@realtek.com> Link: https://lore.kernel.org/r/20220830045923.net-next.v1.1.I4fee0ac057083d4f848caf0fa3a9fd466fc374a0@changeid Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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.