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

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Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
YOSHIFUJI Hideaki 2006-03-20 16:52:52 -08:00 committed by David S. Miller
parent 74a3a0ed90
commit 955aaa2fe3
1 changed files with 8 additions and 0 deletions
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8
net/core/neighbour.c
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@ -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);
}