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Diffstat (limited to 'net/switchdev')
-rw-r--r--net/switchdev/switchdev.c80
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;