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bonding: fill-up LAG changeupper info struct and pass it along 

Initialize netdev_lag_upper_info structure by TX type according to
current bonding mode and pass it along via netdev_master_upper_dev_link.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2015-12-03 12:12:14 +01:00 committed by David S. Miller
parent 8fd728566a
commit 41f0b04964
1 changed files with 31 additions and 14 deletions
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45
drivers/net/bonding/bond_main.c
View File

@ -1198,26 +1198,43 @@ static rx_handler_result_t bond_handle_frame(struct sk_buff **pskb)
return ret;
}
static int bond_master_upper_dev_link(struct net_device *bond_dev,
struct net_device *slave_dev,
struct slave *slave)
static enum netdev_lag_tx_type bond_lag_tx_type(struct bonding *bond)
{
switch (BOND_MODE(bond)) {
case BOND_MODE_ROUNDROBIN:
return NETDEV_LAG_TX_TYPE_ROUNDROBIN;
case BOND_MODE_ACTIVEBACKUP:
return NETDEV_LAG_TX_TYPE_ACTIVEBACKUP;
case BOND_MODE_BROADCAST:
return NETDEV_LAG_TX_TYPE_BROADCAST;
case BOND_MODE_XOR:
case BOND_MODE_8023AD:
return NETDEV_LAG_TX_TYPE_HASH;
default:
return NETDEV_LAG_TX_TYPE_UNKNOWN;
}
}
static int bond_master_upper_dev_link(struct bonding *bond, struct slave *slave)
{
struct netdev_lag_upper_info lag_upper_info;
int err;
err = netdev_master_upper_dev_link(slave_dev, bond_dev, slave, NULL);
lag_upper_info.tx_type = bond_lag_tx_type(bond);
err = netdev_master_upper_dev_link(slave->dev, bond->dev, slave,
&lag_upper_info);
if (err)
return err;
slave_dev->flags |= IFF_SLAVE;
rtmsg_ifinfo(RTM_NEWLINK, slave_dev, IFF_SLAVE, GFP_KERNEL);
slave->dev->flags |= IFF_SLAVE;
rtmsg_ifinfo(RTM_NEWLINK, slave->dev, IFF_SLAVE, GFP_KERNEL);
return 0;
}
static void bond_upper_dev_unlink(struct net_device *bond_dev,
struct net_device *slave_dev)
static void bond_upper_dev_unlink(struct bonding *bond, struct slave *slave)
{
netdev_upper_dev_unlink(slave_dev, bond_dev);
slave_dev->flags &= ~IFF_SLAVE;
rtmsg_ifinfo(RTM_NEWLINK, slave_dev, IFF_SLAVE, GFP_KERNEL);
netdev_upper_dev_unlink(slave->dev, bond->dev);
slave->dev->flags &= ~IFF_SLAVE;
rtmsg_ifinfo(RTM_NEWLINK, slave->dev, IFF_SLAVE, GFP_KERNEL);
}
static struct slave *bond_alloc_slave(struct bonding *bond)
@ -1662,7 +1679,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
goto err_detach;
}
res = bond_master_upper_dev_link(bond_dev, slave_dev, new_slave);
res = bond_master_upper_dev_link(bond, new_slave);
if (res) {
netdev_dbg(bond_dev, "Error %d calling bond_master_upper_dev_link\n", res);
goto err_unregister;
@ -1698,7 +1715,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
/* Undo stages on error */
err_upper_unlink:
bond_upper_dev_unlink(bond_dev, slave_dev);
bond_upper_dev_unlink(bond, new_slave);
err_unregister:
netdev_rx_handler_unregister(slave_dev);
@ -1804,7 +1821,7 @@ static int __bond_release_one(struct net_device *bond_dev,
/* recompute stats just before removing the slave */
bond_get_stats(bond->dev, &bond->bond_stats);
bond_upper_dev_unlink(bond_dev, slave_dev);
bond_upper_dev_unlink(bond, slave);
/* unregister rx_handler early so bond_handle_frame wouldn't be called
* for this slave anymore.
*/