Commit 47e91f56 authored by dingtianhong's avatar dingtianhong Committed by David S. Miller

bonding: use RCU protection for 3ad xmit path

The commit 278b2083
(bonding: initial RCU conversion) has convert the roundrobin,
active-backup, broadcast and xor xmit path to rcu protection,
the performance will be better for these mode, so this time,
convert xmit path for 3ad mode.
Suggested-by: default avatarNikolay Aleksandrov <nikolay@redhat.com>
Suggested-by: default avatarVeaceslav Falico <vfalico@redhat.com>
Signed-off-by: default avatarDing Tianhong <dingtianhong@huawei.com>
Signed-off-by: default avatarWang Yufen <wangyufen@huawei.com>
Cc: Nikolay Aleksandrov <nikolay@redhat.com>
Cc: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent da33edcc
......@@ -2344,7 +2344,7 @@ int __bond_3ad_get_active_agg_info(struct bonding *bond,
struct slave *slave;
struct port *port;
bond_for_each_slave(bond, slave, iter) {
bond_for_each_slave_rcu(bond, slave, iter) {
port = &(SLAVE_AD_INFO(slave).port);
if (port->aggregator && port->aggregator->is_active) {
aggregator = port->aggregator;
......@@ -2369,9 +2369,9 @@ int bond_3ad_get_active_agg_info(struct bonding *bond, struct ad_info *ad_info)
{
int ret;
read_lock(&bond->lock);
rcu_read_lock();
ret = __bond_3ad_get_active_agg_info(bond, ad_info);
read_unlock(&bond->lock);
rcu_read_unlock();
return ret;
}
......@@ -2388,7 +2388,6 @@ int bond_3ad_xmit_xor(struct sk_buff *skb, struct net_device *dev)
int res = 1;
int agg_id;
read_lock(&bond->lock);
if (__bond_3ad_get_active_agg_info(bond, &ad_info)) {
pr_debug("%s: Error: __bond_3ad_get_active_agg_info failed\n",
dev->name);
......@@ -2406,7 +2405,7 @@ int bond_3ad_xmit_xor(struct sk_buff *skb, struct net_device *dev)
slave_agg_no = bond_xmit_hash(bond, skb, slaves_in_agg);
first_ok_slave = NULL;
bond_for_each_slave(bond, slave, iter) {
bond_for_each_slave_rcu(bond, slave, iter) {
agg = SLAVE_AD_INFO(slave).port.aggregator;
if (!agg || agg->aggregator_identifier != agg_id)
continue;
......@@ -2436,7 +2435,6 @@ int bond_3ad_xmit_xor(struct sk_buff *skb, struct net_device *dev)
res = bond_dev_queue_xmit(bond, skb, first_ok_slave->dev);
out:
read_unlock(&bond->lock);
if (res) {
/* no suitable interface, frame not sent */
kfree_skb(skb);
......
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