[PATCH 7/9] netpoll: Consolidate neigh_tx processing in service_neigh_queue
From: Eric W. Biederman <hidden>
Date: 2014-03-15 01:36:28
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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" <redacted> --- net/core/netpoll.c | 38 ++++++++++++++++---------------------- 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(); }
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1.7.5.4