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authorLinus Torvalds <torvalds@g5.osdl.org>2005-10-23 10:10:37 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-10-23 10:10:37 -0700
commit9092b20803e4b3b3a480592794a73030f17370b3 (patch)
tree35389468ae228dc5efe945dc370a0c75f74290bd
parente80eda94d3eaf1d12cfc97878eff77cd679dabc9 (diff)
parent49636bb12892786e4a7b207b37ca7b0c5ca1cae0 (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/acme/net-2.6
-rw-r--r--net/core/neighbour.c48
1 files changed, 16 insertions, 32 deletions
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 4128fc76ac3a..1dcf7fa1f0fe 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -175,39 +175,10 @@ static void pneigh_queue_purge(struct sk_buff_head *list)
}
}
-void neigh_changeaddr(struct neigh_table *tbl, struct net_device *dev)
+static void neigh_flush_dev(struct neigh_table *tbl, struct net_device *dev)
{
int i;
- write_lock_bh(&tbl->lock);
-
- for (i=0; i <= tbl->hash_mask; i++) {
- struct neighbour *n, **np;
-
- np = &tbl->hash_buckets[i];
- while ((n = *np) != NULL) {
- if (dev && n->dev != dev) {
- np = &n->next;
- continue;
- }
- *np = n->next;
- write_lock_bh(&n->lock);
- n->dead = 1;
- neigh_del_timer(n);
- write_unlock_bh(&n->lock);
- neigh_release(n);
- }
- }
-
- write_unlock_bh(&tbl->lock);
-}
-
-int neigh_ifdown(struct neigh_table *tbl, struct net_device *dev)
-{
- int i;
-
- write_lock_bh(&tbl->lock);
-
for (i = 0; i <= tbl->hash_mask; i++) {
struct neighbour *n, **np = &tbl->hash_buckets[i];
@@ -243,7 +214,19 @@ int neigh_ifdown(struct neigh_table *tbl, struct net_device *dev)
neigh_release(n);
}
}
+}
+void neigh_changeaddr(struct neigh_table *tbl, struct net_device *dev)
+{
+ write_lock_bh(&tbl->lock);
+ neigh_flush_dev(tbl, dev);
+ write_unlock_bh(&tbl->lock);
+}
+
+int neigh_ifdown(struct neigh_table *tbl, struct net_device *dev)
+{
+ write_lock_bh(&tbl->lock);
+ neigh_flush_dev(tbl, dev);
pneigh_ifdown(tbl, dev);
write_unlock_bh(&tbl->lock);
@@ -732,6 +715,7 @@ static inline void neigh_add_timer(struct neighbour *n, unsigned long when)
if (unlikely(mod_timer(&n->timer, when))) {
printk("NEIGH: BUG, double timer add, state is %x\n",
n->nud_state);
+ dump_stack();
}
}
@@ -815,10 +799,10 @@ static void neigh_timer_handler(unsigned long arg)
}
if (neigh->nud_state & NUD_IN_TIMER) {
- neigh_hold(neigh);
if (time_before(next, jiffies + HZ/2))
next = jiffies + HZ/2;
- neigh_add_timer(neigh, next);
+ if (!mod_timer(&neigh->timer, next))
+ neigh_hold(neigh);
}
if (neigh->nud_state & (NUD_INCOMPLETE | NUD_PROBE)) {
struct sk_buff *skb = skb_peek(&neigh->arp_queue);