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authorMasahide NAKAMURA <nakam@linux-ipv6.org>2006-08-23 20:35:31 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2006-09-22 15:07:01 -0700
commit7be96f7628469e56f91d51f13b03e9bcff113c7f (patch)
tree60db169f3fa51967dd916355face3f2b38d7cc5d /net/ipv6/raw.c
parent2b741653b6c824fe7520ee92b6795f11c5f24b24 (diff)
[IPV6] MIP6: Add receiving mobility header functions through raw socket.
Like ICMPv6, mobility header is handled through raw socket. In inbound case, check only whether ICMPv6 error should be sent as a reply or not by kernel. Based on MIPL2 kernel patch. This patch was also written by: Ville Nuorvala <vnuorval@tcs.hut.fi> This patch was also written by: Antti Tuominen <anttit@tcs.hut.fi> 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>
Diffstat (limited to 'net/ipv6/raw.c')
-rw-r--r--net/ipv6/raw.c29
1 files changed, 28 insertions, 1 deletions
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index d4af1cb5e19..ecca8aae3c4 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -50,6 +50,9 @@
#include <net/udp.h>
#include <net/inet_common.h>
#include <net/tcp_states.h>
+#ifdef CONFIG_IPV6_MIP6
+#include <net/mip6.h>
+#endif
#include <net/rawv6.h>
#include <net/xfrm.h>
@@ -169,8 +172,32 @@ int ipv6_raw_deliver(struct sk_buff *skb, int nexthdr)
sk = __raw_v6_lookup(sk, nexthdr, daddr, saddr, IP6CB(skb)->iif);
while (sk) {
+ int filtered;
+
delivered = 1;
- if (nexthdr != IPPROTO_ICMPV6 || !icmpv6_filter(sk, skb)) {
+ switch (nexthdr) {
+ case IPPROTO_ICMPV6:
+ filtered = icmpv6_filter(sk, skb);
+ break;
+#ifdef CONFIG_IPV6_MIP6
+ case IPPROTO_MH:
+ /* XXX: To validate MH only once for each packet,
+ * this is placed here. It should be after checking
+ * xfrm policy, however it doesn't. The checking xfrm
+ * policy is placed in rawv6_rcv() because it is
+ * required for each socket.
+ */
+ filtered = mip6_mh_filter(sk, skb);
+ break;
+#endif
+ default:
+ filtered = 0;
+ break;
+ }
+
+ if (filtered < 0)
+ break;
+ if (filtered == 0) {
struct sk_buff *clone = skb_clone(skb, GFP_ATOMIC);
/* Not releasing hash table! */