On Thu, Oct 8, 2020 at 2:54 PM Xie He <xie.he.0...@gmail.com> wrote: > > OK. If the t->encap_hlen header needs to be placed before the GRE > header, then I think the ipgre_header function should leave some space > before the GRE header to place the t->encap_hlen header, rather than > leaving space after the GRE header.
I found another possible issue. Shouldn't we update hard_header_len every time t->tun_hlen and t->hlen are updated in ipgre_link_update?
