bonding: initialization rework
Need to rework how bonding devices are initialized to make it more
amenable to creating bonding devices via netlink.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index a6e7891..d927f71 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -210,6 +210,7 @@
/*-------------------------- Forward declarations ---------------------------*/
static void bond_send_gratuitous_arp(struct bonding *bond);
+static int bond_init(struct net_device *bond_dev);
static void bond_deinit(struct net_device *bond_dev);
/*---------------------------- General routines -----------------------------*/
@@ -4518,6 +4519,7 @@
};
static const struct net_device_ops bond_netdev_ops = {
+ .ndo_init = bond_init,
.ndo_uninit = bond_uninit,
.ndo_open = bond_open,
.ndo_stop = bond_close,
@@ -4533,38 +4535,22 @@
.ndo_vlan_rx_kill_vid = bond_vlan_rx_kill_vid,
};
-/*
- * Does not allocate but creates a /proc entry.
- * Allowed to fail.
- */
-static int bond_init(struct net_device *bond_dev)
+static void bond_setup(struct net_device *bond_dev)
{
struct bonding *bond = netdev_priv(bond_dev);
- pr_debug("Begin bond_init for %s\n", bond_dev->name);
-
/* initialize rwlocks */
rwlock_init(&bond->lock);
rwlock_init(&bond->curr_slave_lock);
bond->params = bonding_defaults;
- bond->wq = create_singlethread_workqueue(bond_dev->name);
- if (!bond->wq)
- return -ENOMEM;
-
/* Initialize pointers */
- bond->first_slave = NULL;
- bond->curr_active_slave = NULL;
- bond->current_arp_slave = NULL;
- bond->primary_slave = NULL;
bond->dev = bond_dev;
- bond->send_grat_arp = 0;
- bond->send_unsol_na = 0;
- bond->setup_by_slave = 0;
INIT_LIST_HEAD(&bond->vlan_list);
/* Initialize the device entry points */
+ ether_setup(bond_dev);
bond_dev->netdev_ops = &bond_netdev_ops;
bond_dev->ethtool_ops = &bond_ethtool_ops;
bond_set_mode_ops(bond, bond->params.mode);
@@ -4575,6 +4561,8 @@
bond_dev->tx_queue_len = 0;
bond_dev->flags |= IFF_MASTER|IFF_MULTICAST;
bond_dev->priv_flags |= IFF_BONDING;
+ bond_dev->priv_flags &= ~IFF_XMIT_DST_RELEASE;
+
if (bond->params.arp_interval)
bond_dev->priv_flags |= IFF_MASTER_ARPMON;
@@ -4599,10 +4587,6 @@
NETIF_F_HW_VLAN_RX |
NETIF_F_HW_VLAN_FILTER);
- bond_create_proc_entry(bond);
- list_add_tail(&bond->bond_list, &bond_dev_list);
-
- return 0;
}
static void bond_work_cancel_all(struct bonding *bond)
@@ -5056,6 +5040,29 @@
netdev_for_each_tx_queue(dev, bond_set_lockdep_class_one, NULL);
}
+/*
+ * Called from registration process
+ */
+static int bond_init(struct net_device *bond_dev)
+{
+ struct bonding *bond = netdev_priv(bond_dev);
+
+ pr_debug("Begin bond_init for %s\n", bond_dev->name);
+
+ bond->wq = create_singlethread_workqueue(bond_dev->name);
+ if (!bond->wq)
+ return -ENOMEM;
+
+ bond_set_lockdep_class(bond_dev);
+
+ netif_carrier_off(bond_dev);
+
+ bond_create_proc_entry(bond);
+ list_add_tail(&bond->bond_list, &bond_dev_list);
+
+ return 0;
+}
+
/* Create a new bond based on the specified name and bonding parameters.
* If name is NULL, obtain a suitable "bond%d" name for us.
* Caller must NOT hold rtnl_lock; we need to release it here before we
@@ -5077,7 +5084,7 @@
}
bond_dev = alloc_netdev(sizeof(struct bonding), name ? name : "",
- ether_setup);
+ bond_setup);
if (!bond_dev) {
pr_err(DRV_NAME ": %s: eek! can't alloc netdev!\n",
name);
@@ -5085,26 +5092,12 @@
goto out_rtnl;
}
- bond_dev->priv_flags &= ~IFF_XMIT_DST_RELEASE;
if (!name) {
res = dev_alloc_name(bond_dev, "bond%d");
if (res < 0)
goto out_netdev;
}
- /* bond_init() must be called after dev_alloc_name() (for the
- * /proc files), but before register_netdevice(), because we
- * need to set function pointers.
- */
-
- res = bond_init(bond_dev);
- if (res < 0)
- goto out_netdev;
-
- bond_set_lockdep_class(bond_dev);
-
- netif_carrier_off(bond_dev);
-
res = register_netdevice(bond_dev);
if (res < 0)
goto out_bond;