[IPV6] MIP6: Transformation support mobility header.

Transformation support mobility header.
Based on MIPL2 kernel patch.

Signed-off-by: Masahide NAKAMURA <nakam@linux-ipv6.org>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 7f16306..13488e7 100644 (file)
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -546,6 +546,11 @@ u16 xfrm_flowi_sport(struct flowi *fl)
        case IPPROTO_ICMPV6:
                port = htons(fl->fl_icmp_type);
                break;
+#ifdef CONFIG_IPV6_MIP6
+       case IPPROTO_MH:
+               port = htons(fl->fl_mh_type);
+               break;
+#endif
        default:
                port = 0;       /*XXX*/
        }

diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index 729b474..98c2fe4 100644 (file)
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -18,6 +18,9 @@
 #include <net/ip.h>
 #include <net/ipv6.h>
 #include <net/ip6_route.h>
+#ifdef CONFIG_IPV6_MIP6
+#include <net/mip6.h>
+#endif
 
 static struct dst_ops xfrm6_dst_ops;
 static struct xfrm_policy_afinfo xfrm6_policy_afinfo;
@@ -270,6 +273,18 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl)
                        fl->proto = nexthdr;
                        return;
 
+#ifdef CONFIG_IPV6_MIP6
+               case IPPROTO_MH:
+                       if (pskb_may_pull(skb, skb->nh.raw + offset + 3 - skb->data)) {
+                               struct ip6_mh *mh;
+                               mh = (struct ip6_mh *)exthdr;
+
+                               fl->fl_mh_type = mh->ip6mh_type;
+                       }
+                       fl->proto = nexthdr;
+                       return;
+#endif
+
                /* XXX Why are there these headers? */
                case IPPROTO_AH:
                case IPPROTO_ESP: