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Commit 7cd8861a authored by stephen hemminger's avatar stephen hemminger Committed by David S. Miller
Browse files

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: default avatarStephen Hemminger <shemminger@vyatta.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 03e9b64b

net/bridge/br_fdb.c

+5 −5
Original line number Diff line number Diff line
@@ -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);

net/bridge/br_input.c

+3 −2
Original line number Diff line number Diff line
@@ -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);

	}

net/bridge/br_private.h

+2 −1
Original line number Diff line number Diff line
@@ -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;