On Tue, Nov 29, 2016 at 05:43:08PM -0700, David Ahern wrote: > On 11/29/16 1:01 PM, Alexei Starovoitov wrote: > > Could you also expose sk_protcol and sk_type as read only fields? > > Those are bitfields in struct sock, so can't use offsetof or sizeof. Any > existing use cases that try to load a bitfield in a bpf that I can look at?
pkt_type, vlan are also bitfileds in skb. Please see convert_skb_access() There is a bit of ugliness due to __BIG_ENDIAN_BITFIELD though..
