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Jeff Kirsher says: ==================== 40GbE Intel Wired LAN Driver Updates 2017-10-02 This series contains updates to i40e and i40evf. Shannon Nelson fixes an issue where when a machine has more CPUs than queue pairs, the counting gets a "little funky" and turns off Flow Director. So to correct it, limit the number of LAN queues initially allocated to be sure there are some left for Flow Director and other features. Lihong cleans up dead code by removing a condition check which cannot ever be true. Christophe Jaillet fixes a potential NULL pointer dereference, which could happen if kzalloc() fails. Filip corrects the reporting of supported link modes, which was incorrect for some NICs. Added support for 'ethtool -m' command, which displays information about QSFP+ modules. Mariusz adds functions to read/write the LED registers to control the LEDS, instead of accessing the registers directly whenever the LEDs need to be controlled. Jake fixes a regression where we introduced a scheduling while atomic, so introduce a separate helper function which will manage its own need for the mac_filter_hash_lock. Also cleaned up the "PF" parameter in i40e_vc_disable_vf() since it is never used and is not needed. Fixed a rare case where it is possible that a reset does not occur when i40e_vc_disable_vf() is called, so modify i40e_reset_vf() to return a bool to indicate whether it reset or not so that i40e_vc_disable_vf() can wait until a reset actually occurs. Alan adds the ability for the VF to request more or less underlying allocated queues from the PF. Fixes the incorrect method for clearing the vf_states variable with a NULL assignment, when we should be using atomic bitops since we don't actually want to clear all the flags. Fixed a resource leak, where the PF driver fails to inform clients of a VF reset because we were incorrectly checking the I40E_VF_STATE_PRE_ENABLE bit. Mitch converts i40evf_map_rings_to_vectors() to a void function since it cannot fail and allows us to clean up the checks for the function return value. Scott enables the driver(s) to pass traffic with VLAN tags using the 802.1ad Ethernet protocol. ==================== 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.