On Thu, 2017-04-20 at 02:38 +0200, Daniel Borkmann wrote: > > Since wifi skbs have only eth in headlen, there is not much > > pointing adding support for data/data_end to wifi. > > Just use ld_abs/ld_ind instructions and load_bytes() helper. > > Afaik, the ld_abs/ld_ind are not an option due to the data > on the wire being in little endian, but the bpf_skb_load_bytes() > might be the way to go initially, agree.
Oh yeah, we could really only use byte loads which would be even less efficient, so that's a good argument for not even providing the data load instructions... :) johannes