diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/rocker/rocker.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c index be8bb04b7355..32c5429ea5fe 100644 --- a/drivers/net/ethernet/rocker/rocker.c +++ b/drivers/net/ethernet/rocker/rocker.c @@ -248,6 +248,7 @@ struct rocker { u64 flow_tbl_next_cookie; DECLARE_HASHTABLE(group_tbl, 16); spinlock_t group_tbl_lock; /* for group tbl accesses */ + struct timer_list fdb_cleanup_timer; DECLARE_HASHTABLE(fdb_tbl, 16); spinlock_t fdb_tbl_lock; /* for fdb tbl accesses */ unsigned long internal_vlan_bitmap[ROCKER_INTERNAL_VLAN_BITMAP_LEN]; @@ -3706,6 +3707,41 @@ err_out: return err; } +static void rocker_fdb_cleanup(unsigned long data) +{ + struct rocker *rocker = (struct rocker *)data; + struct rocker_port *rocker_port; + struct rocker_fdb_tbl_entry *entry; + struct hlist_node *tmp; + unsigned long next_timer = jiffies + BR_MIN_AGEING_TIME; + unsigned long expires; + unsigned long lock_flags; + int flags = ROCKER_OP_FLAG_NOWAIT | ROCKER_OP_FLAG_REMOVE | + ROCKER_OP_FLAG_LEARNED; + int bkt; + + spin_lock_irqsave(&rocker->fdb_tbl_lock, lock_flags); + + hash_for_each_safe(rocker->fdb_tbl, bkt, tmp, entry, entry) { + if (!entry->learned) + continue; + rocker_port = entry->key.rocker_port; + expires = entry->touched + rocker_port->ageing_time; + if (time_before_eq(expires, jiffies)) { + rocker_port_fdb_learn(rocker_port, SWITCHDEV_TRANS_NONE, + flags, entry->key.addr, + entry->key.vlan_id); + hash_del(&entry->entry); + } else if (time_before(expires, next_timer)) { + next_timer = expires; + } + } + + spin_unlock_irqrestore(&rocker->fdb_tbl_lock, lock_flags); + + mod_timer(&rocker->fdb_cleanup_timer, round_jiffies_up(next_timer)); +} + static int rocker_port_router_mac(struct rocker_port *rocker_port, enum switchdev_trans trans, int flags, __be16 vlan_id) @@ -5191,6 +5227,10 @@ static int rocker_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto err_init_tbls; } + setup_timer(&rocker->fdb_cleanup_timer, rocker_fdb_cleanup, + (unsigned long) rocker); + mod_timer(&rocker->fdb_cleanup_timer, jiffies); + err = rocker_probe_ports(rocker); if (err) { dev_err(&pdev->dev, "failed to probe ports\n"); @@ -5203,6 +5243,7 @@ static int rocker_probe(struct pci_dev *pdev, const struct pci_device_id *id) return 0; err_probe_ports: + del_timer_sync(&rocker->fdb_cleanup_timer); rocker_free_tbls(rocker); err_init_tbls: free_irq(rocker_msix_vector(rocker, ROCKER_MSIX_VEC_EVENT), rocker); @@ -5230,6 +5271,7 @@ static void rocker_remove(struct pci_dev *pdev) { struct rocker *rocker = pci_get_drvdata(pdev); + del_timer_sync(&rocker->fdb_cleanup_timer); rocker_free_tbls(rocker); rocker_write32(rocker, CONTROL, ROCKER_CONTROL_RESET); rocker_remove_ports(rocker); |