This patch https://lists.ubuntu.com/archives/kernel- team/2020-March/108124.html has been tested on bionic to look for regression:
1. ping and is accessible externally via eth 2. checked the loaded kernel modules and enablement log of dmesg 3. checkbox-cli ubuntu@scobee:~$ checkbox-cli run com.canonical.certification::ethernet/detect com.canonical.certification::ethernet/info_automated com.canonical.certification::ethernet/info_automated_server Finalizing session that hasn't been submitted anywhere: checkbox-run-2020-03-10T13.13.52 ==================================[ Results ]=================================== ☑ : Hardware Manifest ☑ : Detect if at least one ethernet device is detected ☑ : Enumerate available system executables ☑ : Collect information about hardware devices (udev) ☑ : Gather info on current state of network devices ☑ : Provide information about detected ethernet devices ubuntu@scobee:~$ -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1859569 Title: [hns3-0114]net: hns3: fix ETS bandwidth validation bug Status in kunpeng920: In Progress Status in kunpeng920 ubuntu-18.04 series: In Progress Status in kunpeng920 ubuntu-18.04-hwe series: Fix Committed Status in kunpeng920 ubuntu-20.04 series: Fix Committed Status in kunpeng920 upstream-kernel series: Fix Released Status in linux package in Ubuntu: Fix Released Status in linux source package in Bionic: In Progress Status in linux source package in Eoan: Fix Released Status in linux source package in Focal: Fix Released Bug description: When a TC's PFC is disabled or enabled, the RX private buffer for this TC need to be changed too, otherwise this may cause packet dropped problem. [Impact] The corresponding ethernet interface could not be up again. [Fix] cherry picked from commit c2d56897819338eb0ba8b93184f7d10329b36653 net: hns3: fix ETS bandwidth validation bug [Test Case] 1.lldpad -d 2.lldptool -L -i eth0 adminStatus=rxtx 3.lldptool -T -i eth0 -V ETS-CFG tsa=0:ets,1:ets,2:ets,3:ets,4:ets,5:ets,6:ets,7:ets up2tc=0:0,1:0,2:1,3:1,4:2,5:2,6:3,7:3 tcbw=25,25,50,0,0,0,0,0 4.down device 5.up [Regression Risk] Low, the patch is only specific to the hns3 driver. ====== Original Bug Description ====== [Bug Description] When a TC's PFC is disabled or enabled, the RX private buffer for this TC need to be changed too, otherwise this may cause packet dropped problem. [Steps to Reproduce] 1.lldpad -d 2.lldptool -L -i eth0 adminStatus=rxtx 3.lldptool -T -i eth0 -V ETS-CFG tsa=0:ets,1:ets,2:ets,3:ets,4:ets,5:ets,6:ets,7:ets up2tc=0:0,1:0,2:1,3:1,4:2,5:2,6:3,7:3 tcbw=25,25,50,0,0,0,0,0 4.down device 5.up [Actual Results] up fail [Expected Results] up ok [Reproducibility] Inevitably [Additional information] Hardware: D06 Firmware: NA Kernel: NA [Resolution] This patch fixes it by calling hclge_buffer_alloc to reallocate buffer when pfc_en changes. c2d568978193 net: hns3: fix ETS bandwidth validation bug To manage notifications about this bug go to: https://bugs.launchpad.net/kunpeng920/+bug/1859569/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
