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According to "Annex A16: RDMA over Converged Ethernet (RoCE)": A16.4.3 MANAGEMENT INTERFACES As defined in the base specification, a special Queue Pair, QP0 is defined solely for communication between subnet manager(s) and subnet management agents. Since such an IB-defined subnet management architecture is outside the scope of this annex, it follows that there is also no requirement that a port which conforms to this annex be associated with a QP0. Thus, for end nodes designed to conform to this annex, the concept of QP0 is undefined and unused for any port connected to an Ethernet network. CA16-8: A packet arriving at a RoCE port containing a BTH with the destination QP field set to QP0 shall be silently dropped. Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com> Acked-by: Moni Shoua <monis@mellanox.com> Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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.
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.