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rocker: track when FDB entry is touched.

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The entry is touched once when created, and touched again for each update.
The touched time is used to calculate FDB entry age.

Signed-off-by: Scott Feldman <sfeldma@gmail.com>
Acked-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Scott Feldman 2015-09-23 08:39:14 -07:00 committed by David S. Miller
parent 34ea90ef72
commit a471be41f2
1 changed files with 12 additions and 6 deletions
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18
drivers/net/ethernet/rocker/rocker.c
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@ -152,6 +152,7 @@ struct rocker_fdb_tbl_entry {
struct hlist_node entry;
u32 key_crc32; /* key */
bool learned;
unsigned long touched;
struct rocker_fdb_tbl_key {
u32 pport;
u8 addr[ETH_ALEN];
@ -3629,6 +3630,7 @@ static int rocker_port_fdb(struct rocker_port *rocker_port,
return -ENOMEM;
fdb->learned = (flags & ROCKER_OP_FLAG_LEARNED);
fdb->touched = jiffies;
fdb->key.pport = rocker_port->pport;
ether_addr_copy(fdb->key.addr, addr);
fdb->key.vlan_id = vlan_id;
@ -3638,13 +3640,17 @@ static int rocker_port_fdb(struct rocker_port *rocker_port,
found = rocker_fdb_tbl_find(rocker, fdb);
if (removing && found) {
rocker_port_kfree(trans, fdb);
if (found) {
found->touched = jiffies;
if (removing) {
rocker_port_kfree(trans, fdb);
if (trans != SWITCHDEV_TRANS_PREPARE)
hash_del(&found->entry);
}
} else if (!removing) {
if (trans != SWITCHDEV_TRANS_PREPARE)
hash_del(&found->entry);
} else if (!removing && !found) {
if (trans != SWITCHDEV_TRANS_PREPARE)
hash_add(rocker->fdb_tbl, &fdb->entry, fdb->key_crc32);
hash_add(rocker->fdb_tbl, &fdb->entry,
fdb->key_crc32);
}
spin_unlock_irqrestore(&rocker->fdb_tbl_lock, lock_flags);