** Tags added: patch -- 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/1860320
Title: [hns3-0120]pad the short frame before sending to the hardware Status in kunpeng920: In Progress Status in kunpeng920 ubuntu-18.04 series: In Progress Status in kunpeng920 ubuntu-18.04-hwe series: In Progress Status in kunpeng920 upstream-kernel series: Fix Committed Status in linux package in Ubuntu: Incomplete Status in linux source package in Bionic: In Progress Bug description: The hardware can not handle short frames below or equal to 32 bytes. [Impact] The system may hang or endless event log in /var/log/syslog [Fix] Cherry-pick or backport the upstream fix 36c67349a1a1c88b9cf11d7ca7762ababdb38867 net: hns3: pad the short frame before sending to the hardware [Test Case] Send a frame less than 33 bytes. [Regression Risk] Low, the patch is only specific to the hns3 driver. ====== Original Bug Description ====== [Bug Description] The hardware can not handle short frames below or equal to 32 bytes according to the hardware user manual, and it will trigger a RAS error when the frame's length is below 33 bytes. [Steps to Reproduce] 1.send a frame less than 33 bytes. [Actual Results] a RAS occurs [Expected Results] no RAS [Reproducibility] Inevitably [Additional information] Hardware: D06 Firmware: NA Kernel: NA [Resolution] pads the SKB when skb->len is below 33 bytes before sending it to hardware. net: hns3: pad the short frame before sending to the hardware To manage notifications about this bug go to: https://bugs.launchpad.net/kunpeng920/+bug/1860320/+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
