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There exists an intermittent bug which causes the 'Link Detected' field reported by the 'ethtool <iface>' command to be 'Yes' when in fact, there is no link. This patch fixes the problem by enabling temporary link polling when i40e_get_link_status returns an error. This causes the driver to remember that an admin queue command failed and polls, until the function returns with a success. Change-Id: I64c69b008db4017b8729f3fc27b8f65c8fe2eaa0 Signed-off-by: Harshitha Ramamurthy <harshitha.ramamurthy@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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.