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authorMasahide NAKAMURA <nakam@linux-ipv6.org>2006-08-24 03:20:16 +0200
committerDavid S. Miller <davem@sunset.davemloft.net>2006-09-23 00:06:43 +0200
commit9afaca057980c02771f4657c455cc7592fcd7373 (patch)
tree3ef6e1b304248fad27c8063b7fbffdba966a0671 /include/net
parent[XFRM] STATE: Introduce care-of address. (diff)
downloadlinux-9afaca057980c02771f4657c455cc7592fcd7373.tar.xz
linux-9afaca057980c02771f4657c455cc7592fcd7373.zip
[XFRM] IPV6: Update outbound state timestamp for each sending.
With this patch transformation state is updated last used time for each sending. Xtime is used for it like other state lifetime expiration. Mobile IPv6 enabled nodes will want to know traffic status of each binding (e.g. judgement to request binding refresh by correspondent node, or to keep home/care-of nonce alive by mobile node). The last used timestamp is an important hint about it. Based on MIPL2 kernel patch. This patch was also written by: Henrik Petander <petander@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 'include/net')
-rw-r--r--include/net/xfrm.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 872a2a4022b2..248874ecf8df 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -167,6 +167,9 @@ struct xfrm_state
struct xfrm_lifetime_cur curlft;
struct timer_list timer;
+ /* Last used time */
+ u64 lastused;
+
/* Reference to data common to all the instances of this
* transformer. */
struct xfrm_type *type;