inner_ipproto 861 include/linux/skbuff.h __u8 inner_ipproto; inner_ipproto 2383 include/linux/skbuff.h skb->inner_ipproto = ipproto; inner_ipproto 168 net/ipv4/udp_offload.c ops = rcu_dereference(offloads[skb->inner_ipproto]);