On Wed, 12 Jun 2019 15:56:43 +0000, Maxim Mikityanskiy wrote: > The typical XDP memory scheme is one packet per page. Change the AF_XDP > frame size in libbpf to 4096, which is the page size on x86, to allow > libbpf to be used with the drivers with the packet-per-page scheme. This is slightly surprising. Why does the driver care about the bufsz? You're not supposed to so page operations on UMEM pages, anyway. And the RX size filter should be configured according to MTU regardless of XDP state. Can you explain? > Add a command line option -f to xdpsock to allow to specify a custom > frame size. > > Signed-off-by: Maxim Mikityanskiy <maximmi@xxxxxxxxxxxx> > Reviewed-by: Tariq Toukan <tariqt@xxxxxxxxxxxx> > Acked-by: Saeed Mahameed <saeedm@xxxxxxxxxxxx>
