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The idea for this was born when testing VF support in iproute2 which was impeded by hardware requirements. In fact, not every VF-capable hardware driver implements all netdev ops, so testing the interface is still hard to do even with a well-sorted hardware shelf. To overcome this and allow for testing the user-kernel interface, this patch allows to turn dummy into a PF with a configurable amount of VFs. Since my patch series 'bus-agnostic-num-vf' has been accepted, implementing the required interfaces is pretty straightforward: Iff 'num_vfs' module parameter was given a value >0, a dummy bus type is being registered which implements the 'num_vf()' callback. Additionally, a dummy parent device common to all dummy devices is registered which sits on the above dummy bus. Joint work with Sabrina Dubroca. Signed-off-by: Sabrina Dubroca <sd@queasysnail.net> Signed-off-by: Phil Sutter <phil@nwl.cc> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. 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.