#ifndef _NET_FLOW_KEYS_H#define _NET_FLOW_KEYS_Hstruct flow_keys {/* (src,dst) must be grouped, in the same way than in IP header */
__be32 src;
__be32 dst;union{
__be32 ports;
__be16 port16[2];};
u16 thoff;
u8 ip_proto;};externboolskb_flow_dissect(const struct sk_buff *skb,struct flow_keys *flow);#endif