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The software bridge needs to know if a packet has already been bridged by hardware offload to ports in the same hardware offload, in order that it does not re-flood them, causing duplicates. This is particularly true for broadcast and multicast traffic which the host has requested. By setting offload_fwd_mark in the skb the bridge will only flood to ports in other offloads and other netifs. Set this flag in the DSA and EDSA tag driver. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.