[IPV6] SIT: Add SIOCGETPRL ioctl to get/dump PRL.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>

2 files changed, 8 insertions, 1 deletions

diff --git a/include/linux/if_tunnel.h b/include/linux/if_tunnel.h
index f20c224d544c..f1fbe9c930d7 100644
--- a/include/linux/if_tunnel.h
+++ b/include/linux/if_tunnel.h
@@ -7,6 +7,7 @@
 #define SIOCADDTUNNEL   (SIOCDEVPRIVATE + 1)
 #define SIOCDELTUNNEL   (SIOCDEVPRIVATE + 2)
 #define SIOCCHGTUNNEL   (SIOCDEVPRIVATE + 3)
+#define SIOCGETPRL      (SIOCDEVPRIVATE + 4)
 #define SIOCADDPRL      (SIOCDEVPRIVATE + 5)
 #define SIOCDELPRL      (SIOCDEVPRIVATE + 6)
 #define SIOCCHGPRL      (SIOCDEVPRIVATE + 7)
@@ -38,6 +39,9 @@ struct ip_tunnel_prl {
         __be32                  addr;
         __u16                   flags;
         __u16                   __reserved;
+        __u32                   datalen;
+        __u32                   __reserved2;
+        void __user             *data;
 };
 
 /* PRL flags */
diff --git a/include/net/ipip.h b/include/net/ipip.h
index 205536a014e8..633ed4def8e3 100644
--- a/include/net/ipip.h
+++ b/include/net/ipip.h
@@ -24,13 +24,16 @@ struct ip_tunnel
         int                     mlink;
 
         struct ip_tunnel_parm   parms;
+
         struct ip_tunnel_prl_entry      *prl;           /* potential router list */
+        unsigned int                    prl_count;      /* # of entries in PRL */
 };
 
 struct ip_tunnel_prl_entry
 {
         struct ip_tunnel_prl_entry      *next;
-        struct ip_tunnel_prl            entry;
+        __be32                          addr;
+        u16                             flags;
 };
 
 #define IPTUNNEL_XMIT() do {                                            \