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At the moment, this can never happen. The 2 modes that we operate in do not permit that: - SJA1105_VLAN_UNAWARE: we are guarded from bridge VLANs added by the user by the DSA core. We will later lift this restriction by setting ds->vlan_bridge_vtu = true, and that is where we'll need it. - SJA1105_VLAN_FILTERING_FULL: in this mode, dsa_8021q configuration is disabled. So the user is free to add these VLANs in the 1024-3071 range. The reason for the patch is that we'll introduce a third VLAN awareness state, where both dsa_8021q as well as the bridge are going to call our .port_vlan_add and .port_vlan_del methods. For that, we need a good way to discriminate between the 2. The easiest (and less intrusive way for upper layers) is to recognize the fact that dsa_8021q configurations are always driven by our driver - we _know_ when a .port_vlan_add method will be called from dsa_8021q because _we_ initiated it. So introduce an expect_dsa_8021q boolean which is only used, at the moment, for blacklisting VLANs in range 1024-3071 in the modes when dsa_8021q is active. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| fs | ||
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| init | ||
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| kernel | ||
| lib | ||
| LICENSES | ||
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| net | ||
| samples | ||
| scripts | ||
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| usr | ||
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| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
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| Makefile | ||
| 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 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.