#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,10,0)
struct gre_base_hdr {
__be16 flags;
__be16 protocol;
};
#define GRE_HEADER_SECTION 4
-#define MAX_GRE_PROTO_PRIORITY 255
-struct gre_cisco_protocol {
- int (*handler)(struct sk_buff *skb, const struct tnl_ptk_info *tpi);
- u8 priority;
-};
-
-#define gre_build_header rpl_gre_build_header
-void gre_build_header(struct sk_buff *skb, const struct tnl_ptk_info *tpi,
- int hdr_len);
-
-#define gre_handle_offloads rpl_gre_handle_offloads
-struct sk_buff *gre_handle_offloads(struct sk_buff *skb, bool gre_csum);
-
-int gre_cisco_register(struct gre_cisco_protocol *proto);
-int gre_cisco_unregister(struct gre_cisco_protocol *proto);
-
-static inline int ip_gre_calc_hlen(__be16 o_flags)
-{
- int addend = 4;
-
- if (o_flags & TUNNEL_CSUM)
- addend += 4;
- if (o_flags & TUNNEL_KEY)
- addend += 4;
- if (o_flags & TUNNEL_SEQ)
- addend += 4;
- return addend;
-}
-
static inline __be16 gre_flags_to_tnl_flags(__be16 flags)
{
__be16 tflags = 0;
return flags;
}
+#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(3,10,0) */
+
+#define MAX_GRE_PROTO_PRIORITY 255
+#define gre_cisco_protocol rpl_gre_cisco_protocol
+
+struct gre_cisco_protocol {
+ int (*handler)(struct sk_buff *skb, const struct tnl_ptk_info *tpi);
+ u8 priority;
+};
+
+#define gre_cisco_register rpl_gre_cisco_register
+int gre_cisco_register(struct gre_cisco_protocol *proto);
+
+#define gre_cisco_unregister rpl_gre_cisco_unregister
+int gre_cisco_unregister(struct gre_cisco_protocol *proto);
+
+#define gre_build_header rpl_gre_build_header
+void gre_build_header(struct sk_buff *skb, const struct tnl_ptk_info *tpi,
+ int hdr_len);
+
+#define gre_handle_offloads rpl_gre_handle_offloads
+struct sk_buff *gre_handle_offloads(struct sk_buff *skb, bool gre_csum);
+
+#define ip_gre_calc_hlen rpl_ip_gre_calc_hlen
+static inline int ip_gre_calc_hlen(__be16 o_flags)
+{
+ int addend = 4;
+
+ if (o_flags & TUNNEL_CSUM)
+ addend += 4;
+ if (o_flags & TUNNEL_KEY)
+ addend += 4;
+ if (o_flags & TUNNEL_SEQ)
+ addend += 4;
+ return addend;
+}
+
+
#endif