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netpoll: Consolidate neigh_tx processing in service_neigh_queue 

Move the bond slave device neigh_tx handling into service_neigh_queue.

In connection with neigh_tx processing remove unnecessary tests of
a NULL netpoll_info.  As the netpoll_poll_dev has already used
and thus verified the existince of the netpoll_info.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Eric W. Biederman 2014-03-14 20:50:25 -07:00 committed by David S. Miller
parent ad8d475244
commit 18b37535f8
1 changed files with 15 additions and 21 deletions
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36
net/core/netpoll.c
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@ -179,14 +179,23 @@ static void poll_napi(struct net_device *dev, int budget)
}
}
static void service_neigh_queue(struct netpoll_info *npi)
static void service_neigh_queue(struct net_device *dev,
struct netpoll_info *npi)
{
if (npi) {
struct sk_buff *skb;
struct sk_buff *skb;
if (dev->flags & IFF_SLAVE) {
struct net_device *bond_dev;
struct netpoll_info *bond_ni;
while ((skb = skb_dequeue(&npi->neigh_tx)))
netpoll_neigh_reply(skb, npi);
bond_dev = netdev_master_upper_dev_get_rcu(dev);
bond_ni = rcu_dereference_bh(bond_dev->npinfo);
while ((skb = skb_dequeue(&npi->neigh_tx))) {
skb->dev = bond_dev;
skb_queue_tail(&bond_ni->neigh_tx, skb);
}
}
while ((skb = skb_dequeue(&npi->neigh_tx)))
netpoll_neigh_reply(skb, npi);
}
static void netpoll_poll_dev(struct net_device *dev)
@ -227,22 +236,7 @@ static void netpoll_poll_dev(struct net_device *dev)
up(&ni->dev_lock);
if (dev->flags & IFF_SLAVE) {
if (ni) {
struct net_device *bond_dev;
struct sk_buff *skb;
struct netpoll_info *bond_ni;
bond_dev = netdev_master_upper_dev_get_rcu(dev);
bond_ni = rcu_dereference_bh(bond_dev->npinfo);
while ((skb = skb_dequeue(&ni->neigh_tx))) {
skb->dev = bond_dev;
skb_queue_tail(&bond_ni->neigh_tx, skb);
}
}
}
service_neigh_queue(ni);
service_neigh_queue(dev, ni);
zap_completion_queue();
}