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authorEric W. Biederman <ebiederm@xmission.com>2014-03-14 20:50:25 -0700
committerDavid S. Miller <davem@davemloft.net>2014-03-17 15:47:23 -0400
commit18b37535f861b7eb053040b0b9502331a781c782 (patch)
tree38c924b99d68c77255595140880b61c4542fa866 /net/core/netpoll.c
parentnetpoll: Move netpoll_trap under CONFIG_NETPOLL_TRAP (diff)
downloadlinux-dev-18b37535f861b7eb053040b0b9502331a781c782.tar.xz
linux-dev-18b37535f861b7eb053040b0b9502331a781c782.zip
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>
Diffstat (limited to 'net/core/netpoll.c')
-rw-r--r--net/core/netpoll.c38
1 files changed, 16 insertions, 22 deletions
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index 0e45835f1737..b69bb3f1ba3f 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -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;
-
- while ((skb = skb_dequeue(&npi->neigh_tx)))
- netpoll_neigh_reply(skb, npi);
+ struct sk_buff *skb;
+ if (dev->flags & IFF_SLAVE) {
+ struct net_device *bond_dev;
+ 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(&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();
}