[NET]: NEIGHBOUR: Ensure to record time to neigh->updated when neighbour's state...

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

diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index e68700f950a55d3cff784a54d655001a7da30dec..6ba1cdea18e81e688de707532896edbdc420a2f9 100644 (file)
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -750,11 +750,13 @@ static void neigh_timer_handler(unsigned long arg)
                                          neigh->used + neigh->parms->delay_probe_time)) {
                        NEIGH_PRINTK2("neigh %p is delayed.\n", neigh);
                        neigh->nud_state = NUD_DELAY;
+                       neigh->updated = jiffies;
                        neigh_suspect(neigh);
                        next = now + neigh->parms->delay_probe_time;
                } else {
                        NEIGH_PRINTK2("neigh %p is suspected.\n", neigh);
                        neigh->nud_state = NUD_STALE;
+                       neigh->updated = jiffies;
                        neigh_suspect(neigh);
                }
        } else if (state & NUD_DELAY) {
@@ -762,11 +764,13 @@ static void neigh_timer_handler(unsigned long arg)
                                   neigh->confirmed + neigh->parms->delay_probe_time)) {
                        NEIGH_PRINTK2("neigh %p is now reachable.\n", neigh);
                        neigh->nud_state = NUD_REACHABLE;
+                       neigh->updated = jiffies;
                        neigh_connect(neigh);
                        next = neigh->confirmed + neigh->parms->reachable_time;
                } else {
                        NEIGH_PRINTK2("neigh %p is probed.\n", neigh);
                        neigh->nud_state = NUD_PROBE;
+                       neigh->updated = jiffies;
                        atomic_set(&neigh->probes, 0);
                        next = now + neigh->parms->retrans_time;
                }
@@ -780,6 +784,7 @@ static void neigh_timer_handler(unsigned long arg)
                struct sk_buff *skb;
 
                neigh->nud_state = NUD_FAILED;
+               neigh->updated = jiffies;
                notify = 1;
                NEIGH_CACHE_STAT_INC(neigh->tbl, res_failed);
                NEIGH_PRINTK2("neigh %p is failed.\n", neigh);
@@ -843,10 +848,12 @@ int __neigh_event_send(struct neighbour *neigh, struct sk_buff *skb)
                if (neigh->parms->mcast_probes + neigh->parms->app_probes) {
                        atomic_set(&neigh->probes, neigh->parms->ucast_probes);
                        neigh->nud_state     = NUD_INCOMPLETE;
+                       neigh->updated = jiffies;
                        neigh_hold(neigh);
                        neigh_add_timer(neigh, now + 1);
                } else {
                        neigh->nud_state = NUD_FAILED;
+                       neigh->updated = jiffies;
                        write_unlock_bh(&neigh->lock);
 
                        if (skb)
@@ -857,6 +864,7 @@ int __neigh_event_send(struct neighbour *neigh, struct sk_buff *skb)
                NEIGH_PRINTK2("neigh %p is delayed.\n", neigh);
                neigh_hold(neigh);
                neigh->nud_state = NUD_DELAY;
+               neigh->updated = jiffies;
                neigh_add_timer(neigh,
                                jiffies + neigh->parms->delay_probe_time);
        }