Kal Cutter Conley <kal.conley@xxxxxxxxxxx> writes: >> In addition, presumably when using this mode, the other XDP actions >> (XDP_PASS, XDP_REDIRECT to other targets) would stop working unless we >> add special handling for that in the kernel? We'll definitely need to >> handle that somehow... > > I am not familiar with all the details here. Do you know a reason why > these cases would stop working / why special handling would be needed? > For example, if I have a UMEM that uses hugepages and XDP_PASS is > returned, then the data is just copied into an SKB right? SKBs can > also be created directly from hugepages AFAIK. So I don't understand > what the issue would be. Can someone explain this concern? Well, I was asking :) It may well be that the SKB path just works; did you test this? Pretty sure XDP_REDIRECT to another device won't, though? -Toke
