diff options
Diffstat (limited to 'net/switchdev')
| -rw-r--r-- | net/switchdev/switchdev.c | 80 |
1 files changed, 29 insertions, 51 deletions
diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c index 28d2ccfe109c..474f76383033 100644 --- a/net/switchdev/switchdev.c +++ b/net/switchdev/switchdev.c @@ -458,63 +458,40 @@ static int __switchdev_handle_fdb_event_to_device(struct net_device *dev, const struct net_device *foreign_dev), int (*mod_cb)(struct net_device *dev, struct net_device *orig_dev, unsigned long event, const void *ctx, - const struct switchdev_notifier_fdb_info *fdb_info), - int (*lag_mod_cb)(struct net_device *dev, struct net_device *orig_dev, - unsigned long event, const void *ctx, - const struct switchdev_notifier_fdb_info *fdb_info)) + const struct switchdev_notifier_fdb_info *fdb_info)) { const struct switchdev_notifier_info *info = &fdb_info->info; - struct net_device *br, *lower_dev; + struct net_device *br, *lower_dev, *switchdev; struct list_head *iter; int err = -EOPNOTSUPP; if (check_cb(dev)) return mod_cb(dev, orig_dev, event, info->ctx, fdb_info); - if (netif_is_lag_master(dev)) { - if (!switchdev_lower_dev_find_rcu(dev, check_cb, foreign_dev_check_cb)) - goto maybe_bridged_with_us; - - /* This is a LAG interface that we offload */ - if (!lag_mod_cb) - return -EOPNOTSUPP; - - return lag_mod_cb(dev, orig_dev, event, info->ctx, fdb_info); - } - /* Recurse through lower interfaces in case the FDB entry is pointing - * towards a bridge device. + * towards a bridge or a LAG device. */ - if (netif_is_bridge_master(dev)) { - if (!switchdev_lower_dev_find_rcu(dev, check_cb, foreign_dev_check_cb)) - return 0; - - /* This is a bridge interface that we offload */ - netdev_for_each_lower_dev(dev, lower_dev, iter) { - /* Do not propagate FDB entries across bridges */ - if (netif_is_bridge_master(lower_dev)) - continue; - - /* Bridge ports might be either us, or LAG interfaces - * that we offload. - */ - if (!check_cb(lower_dev) && - !switchdev_lower_dev_find_rcu(lower_dev, check_cb, - foreign_dev_check_cb)) - continue; - - err = __switchdev_handle_fdb_event_to_device(lower_dev, orig_dev, - event, fdb_info, check_cb, - foreign_dev_check_cb, - mod_cb, lag_mod_cb); - if (err && err != -EOPNOTSUPP) - return err; - } + netdev_for_each_lower_dev(dev, lower_dev, iter) { + /* Do not propagate FDB entries across bridges */ + if (netif_is_bridge_master(lower_dev)) + continue; - return 0; + /* Bridge ports might be either us, or LAG interfaces + * that we offload. + */ + if (!check_cb(lower_dev) && + !switchdev_lower_dev_find_rcu(lower_dev, check_cb, + foreign_dev_check_cb)) + continue; + + err = __switchdev_handle_fdb_event_to_device(lower_dev, orig_dev, + event, fdb_info, check_cb, + foreign_dev_check_cb, + mod_cb); + if (err && err != -EOPNOTSUPP) + return err; } -maybe_bridged_with_us: /* Event is neither on a bridge nor a LAG. Check whether it is on an * interface that is in a bridge with us. */ @@ -522,12 +499,16 @@ maybe_bridged_with_us: if (!br || !netif_is_bridge_master(br)) return 0; - if (!switchdev_lower_dev_find_rcu(br, check_cb, foreign_dev_check_cb)) + switchdev = switchdev_lower_dev_find_rcu(br, check_cb, foreign_dev_check_cb); + if (!switchdev) return 0; + if (!foreign_dev_check_cb(switchdev, dev)) + return err; + return __switchdev_handle_fdb_event_to_device(br, orig_dev, event, fdb_info, check_cb, foreign_dev_check_cb, - mod_cb, lag_mod_cb); + mod_cb); } int switchdev_handle_fdb_event_to_device(struct net_device *dev, unsigned long event, @@ -537,16 +518,13 @@ int switchdev_handle_fdb_event_to_device(struct net_device *dev, unsigned long e const struct net_device *foreign_dev), int (*mod_cb)(struct net_device *dev, struct net_device *orig_dev, unsigned long event, const void *ctx, - const struct switchdev_notifier_fdb_info *fdb_info), - int (*lag_mod_cb)(struct net_device *dev, struct net_device *orig_dev, - unsigned long event, const void *ctx, - const struct switchdev_notifier_fdb_info *fdb_info)) + const struct switchdev_notifier_fdb_info *fdb_info)) { int err; err = __switchdev_handle_fdb_event_to_device(dev, dev, event, fdb_info, check_cb, foreign_dev_check_cb, - mod_cb, lag_mod_cb); + mod_cb); if (err == -EOPNOTSUPP) err = 0; |