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bonding: Re-enable netpoll over bonding 

With the inclusion of previous fixup patches, netpoll over bonding apears to
work reliably with failover conditions.  This reverts Gospos previous commit
c22d7ac844, and allows access again to the netpoll
functionality in the bonding driver.

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Neil Horman 2010-10-13 16:01:53 +00:00 committed by David S. Miller
parent 3b410a310b
commit 45b0cb8abd
1 changed files with 10 additions and 19 deletions
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29
drivers/net/bonding/bond_main.c
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@ -184,9 +184,6 @@ static int arp_ip_count;
static int bond_mode = BOND_MODE_ROUNDROBIN;
static int xmit_hashtype = BOND_XMIT_POLICY_LAYER2;
static int lacp_fast;
#ifdef CONFIG_NET_POLL_CONTROLLER
static int disable_netpoll = 1;
#endif
const struct bond_parm_tbl bond_lacp_tbl[] = {
{ "slow", AD_LACP_SLOW},
@ -1811,19 +1808,15 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
bond_set_carrier(bond);
#ifdef CONFIG_NET_POLL_CONTROLLER
if (disable_netpoll) {
if (slaves_support_netpoll(bond_dev)) {
bond_dev->priv_flags &= ~IFF_DISABLE_NETPOLL;
if (bond_dev->npinfo)
slave_dev->npinfo = bond_dev->npinfo;
} else if (!(bond_dev->priv_flags & IFF_DISABLE_NETPOLL)) {
bond_dev->priv_flags |= IFF_DISABLE_NETPOLL;
} else {
if (slaves_support_netpoll(bond_dev)) {
bond_dev->priv_flags &= ~IFF_DISABLE_NETPOLL;
if (bond_dev->npinfo)
slave_dev->npinfo = bond_dev->npinfo;
} else if (!(bond_dev->priv_flags & IFF_DISABLE_NETPOLL)) {
bond_dev->priv_flags |= IFF_DISABLE_NETPOLL;
pr_info("New slave device %s does not support netpoll\n",
slave_dev->name);
pr_info("Disabling netpoll support for %s\n", bond_dev->name);
}
pr_info("New slave device %s does not support netpoll\n",
slave_dev->name);
pr_info("Disabling netpoll support for %s\n", bond_dev->name);
}
#endif
read_unlock(&bond->lock);
@ -2030,10 +2023,8 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev)
#ifdef CONFIG_NET_POLL_CONTROLLER
read_lock_bh(&bond->lock);
/* Make sure netpoll over stays disabled until fixed. */
if (!disable_netpoll)
if (slaves_support_netpoll(bond_dev))
bond_dev->priv_flags &= ~IFF_DISABLE_NETPOLL;
if (slaves_support_netpoll(bond_dev))
bond_dev->priv_flags &= ~IFF_DISABLE_NETPOLL;
read_unlock_bh(&bond->lock);
if (slave_dev->netdev_ops->ndo_netpoll_cleanup)
slave_dev->netdev_ops->ndo_netpoll_cleanup(slave_dev);