[IPV6] SIT: Add PRL management for ISATAP.
This patch updates the Linux the Intra-Site Automatic Tunnel Addressing
Protocol (ISATAP) implementation. It places the ISATAP potential router
list (PRL) in the kernel and adds three new private ioctls for PRL
management.
[Add several changes of structure name, constant names etc. - yoshfuji]
Signed-off-by: Fred L. Templin <fred.l.templin@boeing.com>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
diff --git a/include/linux/if_tunnel.h b/include/linux/if_tunnel.h
index 228eb4e..f20c224 100644
--- a/include/linux/if_tunnel.h
+++ b/include/linux/if_tunnel.h
@@ -7,6 +7,9 @@
#define SIOCADDTUNNEL (SIOCDEVPRIVATE + 1)
#define SIOCDELTUNNEL (SIOCDEVPRIVATE + 2)
#define SIOCCHGTUNNEL (SIOCDEVPRIVATE + 3)
+#define SIOCADDPRL (SIOCDEVPRIVATE + 5)
+#define SIOCDELPRL (SIOCDEVPRIVATE + 6)
+#define SIOCCHGPRL (SIOCDEVPRIVATE + 7)
#define GRE_CSUM __constant_htons(0x8000)
#define GRE_ROUTING __constant_htons(0x4000)
@@ -17,9 +20,6 @@
#define GRE_FLAGS __constant_htons(0x00F8)
#define GRE_VERSION __constant_htons(0x0007)
-/* i_flags values for SIT mode */
-#define SIT_ISATAP 0x0001
-
struct ip_tunnel_parm
{
char name[IFNAMSIZ];
@@ -31,4 +31,16 @@
struct iphdr iph;
};
+/* SIT-mode i_flags */
+#define SIT_ISATAP 0x0001
+
+struct ip_tunnel_prl {
+ __be32 addr;
+ __u16 flags;
+ __u16 __reserved;
+};
+
+/* PRL flags */
+#define PRL_DEFAULT 0x0001
+
#endif /* _IF_TUNNEL_H_ */