From: Hayes Wang <hayeswang@xxxxxxxxxxx> Date: Fri, 9 Aug 2019 03:38:53 +0000 > Jakub Kicinski [jakub.kicinski@xxxxxxxxxxxxx] > [..]> The kernel could support it. And I has finished it. >> > However, when I want to test it by ethtool, I couldn't find suitable command. >> > I couldn't find relative feature in the source code of ethtool, either. > >> It's possible it's not implemented in the user space tool 🤔 >> >> Looks like it got posted here: >> >> https://www.spinics.net/lists/netdev/msg299877.html >> >> But perhaps never finished? > > May I implement both sysfs and set_tunalbe for copybreak first > before the user space tool is ready? Otherwise, the user couldn't > change the copybreak now. No, fix the tool please.
