mirror of https://gitee.com/openkylin/linux.git
87fa886e1f
By default, the switch does not flood broadcast frames. Instead the broadcast address is unknown in the ATU, so the frame gets forwarded out the cpu port. The software bridge then floods it back to the individual switch ports which are members of the bridge. Add an ATU entry in the switch so that it floods broadcast frames out ports, rather than have the software bridge do it. Also, send a copy out the cpu port and any dsa ports. Rely on the port vectors to prevent broadcast frames leaking between bridges, and separated ports. Additionally, when a VLAN is added, a new FID is allocated. This represents a new table of ATU entries. A broadcast entry is added to the new FID. With offload_fwd_mark being set, the software bridge will not flood the frames it receives back to the switch. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net> |
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README
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.