Yeah, I'd like to be able to attach the same program to cellular/wifi/ethernet(usb) interface at ingress.
I'll cook it up when I can, for now I'll just make do with 2 different ones to handle the with/without ethernet header cases. On Thu, Jan 24, 2019 at 3:40 AM Daniel Borkmann <dan...@iogearbox.net> wrote: > > On 01/24/2019 12:27 PM, Maciej Żenczykowski wrote: > > In classic BPF 'SKF_AD_HATYPE' can be used to fetch skb->dev->type. > > > > Are my eyes deceiving me, or is there a similar way to get at it from eBPF? > > > > (while we're at it, skb->dev->mtu would probably be useful too) > > Yeah we can add it if you have a concrete use case for access out of the BPF > program, feel free to send a patch. So far nobody ran into the need for it > which is why it hasn't been added yet. > > Thanks, > Daniel
