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b1c8fec8d4
In preparation for allowing user space to add (*, G) entries with a source list and associated filter mode, add the necessary plumbing to handle such requests. Extend the MDB configuration structure with a currently empty source array and filter mode that is currently hard coded to EXCLUDE. Add the source entries and the corresponding (S, G) entries before making the new (*, G) port group entry visible to the data path. Handle the creation of each source entry in a similar fashion to how it is created from the data path in response to received Membership Reports: Create the source entry, arm the source timer (if needed), add a corresponding (S, G) forwarding entry and finally mark the source entry as installed (by user space). Add the (S, G) entry by populating an MDB configuration structure and calling br_mdb_add_group_sg() as if a new entry is created by user space, with the sole difference that the 'src_entry' field is set to make sure that the group timer of such entries is never armed. Note that it is not currently possible to add more than 32 source entries to a port group entry. If this proves to be a problem we can either increase 'PG_SRC_ENT_LIMIT' or avoid forcing a limit on entries created by user space. Signed-off-by: Ido Schimmel <idosch@nvidia.com> Acked-by: Nikolay Aleksandrov <razor@blackwall.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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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.