ipv6: Report TCP timetstamp info in cacheinfo just like ipv4 does.

I missed this while adding ipv6 support to inet_peer.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 10 insertions, 1 deletions

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 0940729d2f91..30de9e74a813 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2360,11 +2360,13 @@ static int rt6_fill_node(struct net *net,
                          int iif, int type, u32 pid, u32 seq,
                          int prefix, int nowait, unsigned int flags)
 {
+        const struct inet_peer *peer;
         struct rtmsg *rtm;
         struct nlmsghdr *nlh;
         long expires;
         u32 table;
         struct neighbour *n;
+        u32 ts, tsage;
 
         if (prefix) {   /* user wants prefix routes only */
                 if (!(rt->rt6i_flags & RTF_PREFIX_RT)) {
@@ -2471,7 +2473,14 @@ static int rt6_fill_node(struct net *net,
         else
                 expires = INT_MAX;
 
-        if (rtnl_put_cacheinfo(skb, &rt->dst, 0, 0, 0,
+        peer = rt->rt6i_peer;
+        ts = tsage = 0;
+        if (peer && peer->tcp_ts_stamp) {
+                ts = peer->tcp_ts;
+                tsage = get_seconds() - peer->tcp_ts_stamp;
+        }
+
+        if (rtnl_put_cacheinfo(skb, &rt->dst, 0, ts, tsage,
                                expires, rt->dst.error) < 0)
                 goto nla_put_failure;