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authorYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>2006-03-21 03:52:52 +0300
committerDavid S. Miller <davem@davemloft.net>2006-03-21 03:52:52 +0300
commit955aaa2fe39e21e49521449c09548ce1ba501010 (patch)
treee067beca9678350ad0f209d7406f3dcfa43394fd
parent74a3a0ed9096ba9feffc7e44f2a2c37d968bc6d1 (diff)
downloadlinux-955aaa2fe39e21e49521449c09548ce1ba501010.tar.xz
[NET]: NEIGHBOUR: Ensure to record time to neigh->updated when neighbour's state changed.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/core/neighbour.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index e68700f950a5..6ba1cdea18e8 100644
--- 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);
}