#ifndef _NET_FLOW_KEYS_H#define _NET_FLOW_KEYS_Hstructflow_keys{/* (src,dst) must be grouped, in the same way than in IP header */__be32src;__be32dst;union{__be32ports;__be16port16[2];};u16thoff;u8ip_proto;};externboolskb_flow_dissect(conststructsk_buff*skb,structflow_keys*flow);#endif