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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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8
net/l3mdev/l3mdev.c
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@ -26,11 +26,11 @@ int l3mdev_master_ifindex_rcu(struct net_device *dev)
if (netif_is_l3_master(dev)) {
ifindex = dev->ifindex;
} else if (dev->flags & IFF_SLAVE) {
} else if (netif_is_l3_slave(dev)) {
struct net_device *master;
master = netdev_master_upper_dev_get_rcu(dev);
if (master && netif_is_l3_master(master))
if (master)
ifindex = master->ifindex;
}
@ -54,7 +54,7 @@ u32 l3mdev_fib_table_rcu(const struct net_device *dev)
if (netif_is_l3_master(dev)) {
if (dev->l3mdev_ops->l3mdev_fib_table)
tb_id = dev->l3mdev_ops->l3mdev_fib_table(dev);
} else if (dev->flags & IFF_SLAVE) {
} else if (netif_is_l3_slave(dev)) {
/* Users of netdev_master_upper_dev_get_rcu need non-const,
* but current inet_*type functions take a const
*/
@ -62,7 +62,7 @@ u32 l3mdev_fib_table_rcu(const struct net_device *dev)
const struct net_device *master;
master = netdev_master_upper_dev_get_rcu(_dev);
if (master && netif_is_l3_master(master) &&
if (master &&
master->l3mdev_ops->l3mdev_fib_table)
tb_id = master->l3mdev_ops->l3mdev_fib_table(master);
}