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| author | Mahesh Bandewar <maheshb@google.com> | 2015-03-05 06:57:52 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-03-06 20:40:42 +0100 |
| commit | 616f45416ca0d726d6d3421a296ebc6e2bb82cde (patch) | |
| tree | f23dea6ff2818919a347f6787860665a8068797d /drivers/net/bonding | |
| parent | rocker: fix some sparse warnings (diff) | |
| download | linux-616f45416ca0d726d6d3421a296ebc6e2bb82cde.tar.xz linux-616f45416ca0d726d6d3421a296ebc6e2bb82cde.zip | |
bonding: implement bond_poll_controller()
This patches implements the poll_controller support for all
bonding driver. If the slaves have poll_controller net_op defined,
this implementation calls them. This is mode agnostic implementation
and iterates through all slaves (based on mode) and calls respective
handler.
Signed-off-by: Mahesh Bandewar <maheshb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/bonding')
| -rw-r--r-- | drivers/net/bonding/bond_main.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 675b082283d6..c026ce9cd7b6 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -928,6 +928,39 @@ static inline void slave_disable_netpoll(struct slave *slave) static void bond_poll_controller(struct net_device *bond_dev) { + struct bonding *bond = netdev_priv(bond_dev); + struct slave *slave = NULL; + struct list_head *iter; + struct ad_info ad_info; + struct netpoll_info *ni; + const struct net_device_ops *ops; + + if (BOND_MODE(bond) == BOND_MODE_8023AD) + if (bond_3ad_get_active_agg_info(bond, &ad_info)) + return; + + rcu_read_lock_bh(); + bond_for_each_slave_rcu(bond, slave, iter) { + ops = slave->dev->netdev_ops; + if (!bond_slave_is_up(slave) || !ops->ndo_poll_controller) + continue; + + if (BOND_MODE(bond) == BOND_MODE_8023AD) { + struct aggregator *agg = + SLAVE_AD_INFO(slave)->port.aggregator; + + if (agg && + agg->aggregator_identifier != ad_info.aggregator_id) + continue; + } + + ni = rcu_dereference_bh(slave->dev->npinfo); + if (down_trylock(&ni->dev_lock)) + continue; + ops->ndo_poll_controller(slave->dev); + up(&ni->dev_lock); + } + rcu_read_unlock_bh(); } static void bond_netpoll_cleanup(struct net_device *bond_dev) |