From 41f0b0496466d6e0e8245f94a79889234cde5e3c Mon Sep 17 00:00:00 2001 From: Jiri Pirko Date: Thu, 3 Dec 2015 12:12:14 +0100 Subject: [PATCH] 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 Reviewed-by: Nikolay Aleksandrov Signed-off-by: David S. Miller --- drivers/net/bonding/bond_main.c | 45 +++++++++++++++++++++++---------- 1 file changed, 31 insertions(+), 14 deletions(-) diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index fa3ed1d8a12d..e94e79ad757c 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -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. */ -- 2.20.1