On Mon, Oct 12, 2020 at 4:17 PM Cong Wang <xiyou.wangc...@gmail.com> wrote: > > Note, there are some other suspicious use of dev->hard_header_len in > the same file, but let's leave them to a separate patch if really > needed.
I looked at the file (before this patch). There are 4 occurrences of hard_header_len, but they are all for ERSPAN devices (TAP devices which tunnel Ethernet frames). So I think they are used for the Ethernet header length and we don't need to worry about them.