Symbol: get_l4proto
net/netfilter/nf_conntrack_core.c
2028
dataoff = get_l4proto(skb, skb_network_offset(skb), state->pf, &protonum);
net/netfilter/nf_conntrack_core.c
423
protoff = get_l4proto(skb, nhoff, l3num, &protonum);