Hi, Thanks for your reply. Where do I need to add this workaround? Thanks, Adel
On Mon, May 29, 2017 at 8:31 AM, Y Song <ys114...@gmail.com> wrote: > On Sun, May 28, 2017 at 12:38 AM, Adel Fuchs <adelfu...@gmail.com> wrote: >> Hi, >> Is there any way to run this eBPF program without that patch? >> Alternatively, is there any other eBPF sample that does run properly? I need >> to run a program that filters packets according to IP address or port. > > The following is temporary workaround you can use: > int poff, nh_off = BPF_LL_OFF + ETH_HLEN; > - __be16 proto = skb->protocol; > + __be16 proto = (__be16)*(volatile __u32 *)&skb->protocol; > __u8 ip_proto;
