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Jonas Gorski says: ==================== net: dsa: b53: accumulated fixes This patchset aims at fixing most issues observed while running the vlan_unaware_bridge, vlan_aware_bridge and local_termination selftests. Most tests succeed with these patches on BCM53115, connected to a BCM6368. It took me a while to figure out that a lot of tests will fail if all ports have the same MAC address, as the switches drop any frames with DA == SA. Luckily BCM63XX boards often have enough MACs allocated for all ports, so I just needed to assign them. The still failing tests are: FDB learning, both vlan aware aware and unaware: This is expected, as b53 currently does not implement changing the ageing time, and both the bridge code and DSA ignore that, so the learned entries don't age out as expected. ping and ping6 in vlan unaware: These fail because of the now fixed learning, the switch trying to forward packet ingressing on one of the standalone ports to the learned port of the mac address when the packets ingressed on the bridged port. The port VLAN masks only prevent forwarding to other ports, but the ARL lookup will still happen, and the packet gets dropped because the port isn't allowed to forward there. I have a fix/workaround for that, but as it is a bit more controversial and makes use of an unrelated feature, I decided to hold off from that and post it later. This wasn't noticed so far, because learning was never working in VLAN unaware mode, so the traffic was always broadcast (which sidesteps the issue). Finally some of the multicast tests from local_termination fail, where the reception worked except it shouldn't. This doesn't seem to me as a super serious issue, so I didn't attempt to debug/fix these yet. I'm not super confident I didn't break sf2 along the way, but I did compile test and tried to find ways it cause issues (I failed to find any). I hope Florian will tell me. ==================== Link: https://patch.msgid.link/20250429201710.330937-1-jonas.gorski@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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| kernel | ||
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| README | ||
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 reStructuredText 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.