diff options
| author |   Jiri Pirko <jiri@mellanox.com> | 2016-07-05 11:27:38 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-07-05 09:06:28 -0700 |
| commit | 18bfb924f0005a728caadd90ba755b2a660bf441 (patch) | |
| tree | 7fc40b134c49d93be19d2e90a971b4c4e09a2430 /net/core/dev.c | |
| parent | net: add dev arg to ndo_neigh_construct/destroy (diff) | |
| download | linux-dev-18bfb924f0005a728caadd90ba755b2a660bf441.tar.xz linux-dev-18bfb924f0005a728caadd90ba755b2a660bf441.zip | |
net: introduce default neigh_construct/destroy ndo calls for L2 upper devices
L2 upper device needs to propagate neigh_construct/destroy calls down to
lower devices. Do this by defining default ndo functions and use them in
team, bond, bridge and vlan.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index a4f3b0a9aeaf..b92d63bfde7a 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -6087,6 +6087,50 @@ void netdev_lower_state_changed(struct net_device *lower_dev, } EXPORT_SYMBOL(netdev_lower_state_changed); +int netdev_default_l2upper_neigh_construct(struct net_device *dev, + struct neighbour *n) +{ + struct net_device *lower_dev, *stop_dev; + struct list_head *iter; + int err; + + netdev_for_each_lower_dev(dev, lower_dev, iter) { + if (!lower_dev->netdev_ops->ndo_neigh_construct) + continue; + err = lower_dev->netdev_ops->ndo_neigh_construct(lower_dev, n); + if (err) { + stop_dev = lower_dev; + goto rollback; + } + } + return 0; + +rollback: + netdev_for_each_lower_dev(dev, lower_dev, iter) { + if (lower_dev == stop_dev) + break; + if (!lower_dev->netdev_ops->ndo_neigh_destroy) + continue; + lower_dev->netdev_ops->ndo_neigh_destroy(lower_dev, n); + } + return err; +} +EXPORT_SYMBOL_GPL(netdev_default_l2upper_neigh_construct); + +void netdev_default_l2upper_neigh_destroy(struct net_device *dev, + struct neighbour *n) +{ + struct net_device *lower_dev; + struct list_head *iter; + + netdev_for_each_lower_dev(dev, lower_dev, iter) { + if (!lower_dev->netdev_ops->ndo_neigh_destroy) + continue; + lower_dev->netdev_ops->ndo_neigh_destroy(lower_dev, n); + } +} +EXPORT_SYMBOL_GPL(netdev_default_l2upper_neigh_destroy); + static void dev_change_rx_flags(struct net_device *dev, int flags) { const struct net_device_ops *ops = dev->netdev_ops; |