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438d7dda98
This implements the transmit side of the multiple transmit queue RDMA netdev used to accelerate ipoib. The receive side remains the ipoib internal implementation. The init/unint/open/stop netdev operations are saved off and called by the versions within the hfi1 netdev in order to initialize the connected mode resources present in ipoib thus allowing us to switch modes between datagram and connected. The datagram queue pair instantiated by the ipoib ulp is used by this implementation for its queue pair number and to register with multicast. The above queue pair is not used on transmit other than its qpn as the verbs layer is skipped and packets are directly submitted to the sdma engines. Link: https://lore.kernel.org/r/20200511160554.173205.1369.stgit@awfm-01.aw.intel.com Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Gary Leshner <Gary.S.Leshner@intel.com> Signed-off-by: Kaike Wan <kaike.wan@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.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.
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.