104 struct ip_tunnel {  struct
105 	struct ip_tunnel __rcu	*next;  argument
127 	struct ip_tunnel_parm parms;  argument
132 	struct ip_tunnel_encap encap;  argument
136 	struct ip_tunnel_6rd_parm ip6rd;  argument
138 	struct ip_tunnel_prl_entry __rcu *prl;	/* potential router list */  argument
139 	unsigned int		prl_count;	/* # of entries in PRL */
140 	unsigned int		ip_tnl_net_id;
141 	struct gro_cells	gro_cells;
142 	__u32			fwmark;
143 	bool			collect_md;
144 	bool			ignore_df;