__be32                  ipv4_src;
        __be32                  ipv4_dst;
        __be16                  tun_flags;
-       __u8                    ipv4_tos;
-       __u8                    ipv4_ttl;
+       u8                      ipv4_tos;
+       u8                      ipv4_ttl;
        __be16                  tp_src;
        __be16                  tp_dst;
 };
 #endif
 
 struct ip_tunnel_encap {
-       __u16                   type;
-       __u16                   flags;
+       u16                     type;
+       u16                     flags;
        __be16                  sport;
        __be16                  dport;
 };
                                         * arrived */
 
        /* These four fields used only by GRE */
-       __u32           i_seqno;        /* The last seen seqno  */
-       __u32           o_seqno;        /* The last output seqno */
+       u32             i_seqno;        /* The last seen seqno  */
+       u32             o_seqno;        /* The last output seqno */
        int             tun_hlen;       /* Precalculated header length */
        int             mlink;
 
 
 int iptunnel_pull_header(struct sk_buff *skb, int hdr_len, __be16 inner_proto);
 int iptunnel_xmit(struct sock *sk, struct rtable *rt, struct sk_buff *skb,
-                 __be32 src, __be32 dst, __u8 proto,
-                 __u8 tos, __u8 ttl, __be16 df, bool xnet);
+                 __be32 src, __be32 dst, u8 proto,
+                 u8 tos, u8 ttl, __be16 df, bool xnet);
 
 struct sk_buff *iptunnel_handle_offloads(struct sk_buff *skb, bool gre_csum,
                                         int gso_type_mask);