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authorstephen hemminger <shemminger@vyatta.com>2011-04-04 14:03:28 +0000
committerDavid S. Miller <davem@davemloft.net>2011-04-04 17:22:26 -0700
commit7cd8861ab0d907430bbea0af93bc41aee0437efc (patch)
treeed6f9689447b01dc81212705d015186f17774f23 /net/bridge
parent03e9b64b89243ccc6f8f48f5955a5a78a8ca1431 (diff)
downloadop-kernel-dev-7cd8861ab0d907430bbea0af93bc41aee0437efc.zip
op-kernel-dev-7cd8861ab0d907430bbea0af93bc41aee0437efc.tar.gz
bridge: track last used time in forwarding table
Adds tracking the last used time in forwarding table. Rename ageing_timer to updated to better describe it. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge')
-rw-r--r--net/bridge/br_fdb.c10
-rw-r--r--net/bridge/br_input.c5
-rw-r--r--net/bridge/br_private.h3
3 files changed, 10 insertions, 8 deletions
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index 70bd0bf..b391352 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -62,7 +62,7 @@ static inline int has_expired(const struct net_bridge *br,
const struct net_bridge_fdb_entry *fdb)
{
return !fdb->is_static &&
- time_before_eq(fdb->ageing_timer + hold_time(br), jiffies);
+ time_before_eq(fdb->updated + hold_time(br), jiffies);
}
static inline int br_mac_hash(const unsigned char *mac)
@@ -140,7 +140,7 @@ void br_fdb_cleanup(unsigned long _data)
unsigned long this_timer;
if (f->is_static)
continue;
- this_timer = f->ageing_timer + delay;
+ this_timer = f->updated + delay;
if (time_before_eq(this_timer, jiffies))
fdb_delete(f);
else if (time_before(this_timer, next_timer))
@@ -293,7 +293,7 @@ int br_fdb_fillbuf(struct net_bridge *br, void *buf,
fe->is_local = f->is_local;
if (!f->is_static)
- fe->ageing_timer_value = jiffies_to_clock_t(jiffies - f->ageing_timer);
+ fe->ageing_timer_value = jiffies_to_clock_t(jiffies - f->updated);
++fe;
++num;
}
@@ -330,7 +330,7 @@ static struct net_bridge_fdb_entry *fdb_create(struct hlist_head *head,
fdb->dst = source;
fdb->is_local = 0;
fdb->is_static = 0;
- fdb->ageing_timer = jiffies;
+ fdb->updated = fdb->used = jiffies;
hlist_add_head_rcu(&fdb->hlist, head);
}
return fdb;
@@ -404,7 +404,7 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source,
} else {
/* fastpath: update of existing entry */
fdb->dst = source;
- fdb->ageing_timer = jiffies;
+ fdb->updated = jiffies;
}
} else {
spin_lock(&br->hash_lock);
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index e216079..785932d 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -98,9 +98,10 @@ int br_handle_frame_finish(struct sk_buff *skb)
}
if (skb) {
- if (dst)
+ if (dst) {
+ dst->used = jiffies;
br_forward(dst->dst, skb, skb2);
- else
+ } else
br_flood_forward(br, skb, skb2);
}
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 387013d..a0e6b94 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -64,7 +64,8 @@ struct net_bridge_fdb_entry
struct net_bridge_port *dst;
struct rcu_head rcu;
- unsigned long ageing_timer;
+ unsigned long updated;
+ unsigned long used;
mac_addr addr;
unsigned char is_local;
unsigned char is_static;
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