On Sun, Sep 6, 2020 at 8:42 PM Jakub Kicinski <k...@kernel.org> wrote: > > On Sat, 5 Sep 2020 14:11:11 +0800 Huazhong Tan wrote: > > There are two updates relates to UDP GSO. > > #1 adds a new GSO type for UDPv6 > > #2 adds check for UDP GSO when csum is disable in netdev_fix_features(). > > > > Changes since RFC V2: > > - modifies the timing of setting UDP GSO type when doing UDP GRO in #1. > > > > Changes since RFC V1: > > - updates NETIF_F_GSO_LAST suggested by Willem de Bruijn. > > and add NETIF_F_GSO_UDPV6_L4 feature for each driver who support UDP GSO > > in #1. > > - add #2 who needs #1. > > Please CC people who gave you feedback (Willem). > > I don't feel good about this series. IPv6 is not optional any more. > AFAIU you have some issues with csum support in your device? Can you > use .ndo_features_check() to handle this? > > The change in semantics of NETIF_F_GSO_UDP_L4 from "v4 and v6" to > "just v4" can trip people over; this is not a new feature people > may be depending on the current semantics. > > Willem, what are your thoughts on this?
If that is the only reason, +1 on fixing it up in the driver's ndo_features_check.