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net: Add netif_is_l3_slave

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IPv6 addrconf keys off of IFF_SLAVE so can not use it for L3 slave.
Add a new private flag and add netif_is_l3_slave function for checking
it.

Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern
2015-10-05 08:51:24 -07:00
committed by David S. Miller
parent 6e2895a8e3
commit fee6d4c777
3 changed files with 15 additions and 10 deletions
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10
drivers/net/vrf.c
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@@ -39,8 +39,6 @@
#define DRV_NAME "vrf"
#define DRV_VERSION "1.0"
#define vrf_is_slave(dev) ((dev)->flags & IFF_SLAVE)
#define vrf_master_get_rcu(dev) \
((struct net_device *)rcu_dereference(dev->rx_handler_data))
@@ -433,7 +431,7 @@ static int do_vrf_add_slave(struct net_device *dev, struct net_device *port_dev)
if (ret < 0)
goto out_unregister;
port_dev->flags |= IFF_SLAVE;
port_dev->priv_flags |= IFF_L3MDEV_SLAVE;
__vrf_insert_slave(queue, slave);
cycle_netdev(port_dev);
@@ -448,7 +446,7 @@ out_fail:
static int vrf_add_slave(struct net_device *dev, struct net_device *port_dev)
{
if (netif_is_l3_master(port_dev) || vrf_is_slave(port_dev))
if (netif_is_l3_master(port_dev) || netif_is_l3_slave(port_dev))
return -EINVAL;
return do_vrf_add_slave(dev, port_dev);
@@ -462,7 +460,7 @@ static int do_vrf_del_slave(struct net_device *dev, struct net_device *port_dev)
struct slave *slave;
netdev_upper_dev_unlink(port_dev, dev);
port_dev->flags &= ~IFF_SLAVE;
port_dev->priv_flags &= ~IFF_L3MDEV_SLAVE;
netdev_rx_handler_unregister(port_dev);
@@ -672,7 +670,7 @@ static int vrf_device_event(struct notifier_block *unused,
if (event == NETDEV_UNREGISTER) {
struct net_device *vrf_dev;
if (!vrf_is_slave(dev) || netif_is_l3_master(dev))
if (!netif_is_l3_slave(dev))
goto out;
vrf_dev = netdev_master_upper_dev_get(dev);