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| author | Matan Barak <matanb@mellanox.com> | 2015-07-30 18:33:24 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2015-08-31 01:08:50 +0300 |
| commit | e999869548b9ab97b7dffa053ba2fee81c31d069 (patch) | |
| tree | d4c7bfbf220cd541d8d3426c50d7b257a68e733c /include/net | |
| parent | 816dd19b3d191da88bc034fb85e21ed09a3ed320 (diff) | |
| download | linux-e999869548b9ab97b7dffa053ba2fee81c31d069.tar.xz | |
net/bonding: Export bond_option_active_slave_get_rcu
Some consumers of the netdev events API would like to know who is the
active slave when a NETDEV_CHANGEUPPER or NETDEV_BONDING_FAILOVER
events occur. For example, when managing RoCE GIDs, GIDs based on the
bond's ips should only be set on the port which corresponds to active
slave netdevice.
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/bonding.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/net/bonding.h b/include/net/bonding.h index 20defc0353d1..c1740a2794a3 100644 --- a/include/net/bonding.h +++ b/include/net/bonding.h @@ -310,6 +310,13 @@ static inline bool bond_uses_primary(struct bonding *bond) return bond_mode_uses_primary(BOND_MODE(bond)); } +static inline struct net_device *bond_option_active_slave_get_rcu(struct bonding *bond) +{ + struct slave *slave = rcu_dereference(bond->curr_active_slave); + + return bond_uses_primary(bond) && slave ? slave->dev : NULL; +} + static inline bool bond_slave_is_up(struct slave *slave) { return netif_running(slave->dev) && netif_carrier_ok(slave->dev); |