mainlining shenanigans
94221ae75c
After add an ethertype filter, if user change the adapter speed several times, the error "ethtool -N: etype filters are all used" is reported by igb driver. In older patch, function igb_nfc_filter_exit() and igb_nfc_filter_restore() is not paried. igb_nfc_filter_restore() exist in igb_up(), but function igb_nfc_filter_exit() is exist in __igb_close(). In the process of speed changing, only igb_nfc_filter_restore() is called, it will take a position of ethertype bitmap. Reproduce steps: Step 1: Add a etype filter by ethtool $ethtool -N eth0 flow-type ether proto 0x88F8 action 1 Step 2: Change the adapter speed to 100M/full duplex $ethtool -s eth0 speed 100 duplex full Step 3: Change the adapter speed to 1000M/full duplex ethtool -s eth0 speed 1000 duplex full Repeat step2 and step3, then dmesg the system log, you can find the error message, add new ethtype filter is also failed. This fixing is move igb_nfc_filter_exit() from __igb_close() to igb_down() to make igb_nfc_filter_restore()/igb_nfc_filter_exit() is paired. Signed-off-by: Gangfeng Huang <gangfeng.huang@ni.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> |
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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.