[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>

1 files changed, 7 insertions, 0 deletions

diff --git a/include/net/ipip.h b/include/net/ipip.h
index 549e132bca9c..205536a014e8 100644
--- a/include/net/ipip.h
+++ b/include/net/ipip.h
@@ -24,6 +24,13 @@ struct ip_tunnel
         int                     mlink;
 
         struct ip_tunnel_parm   parms;
+        struct ip_tunnel_prl_entry      *prl;           /* potential router list */
+};
+
+struct ip_tunnel_prl_entry
+{
+        struct ip_tunnel_prl_entry      *next;
+        struct ip_tunnel_prl            entry;
 };
 
 #define IPTUNNEL_XMIT() do {                                            \