提交 cd3e22b7 编写于 作者: J Jason Wang 提交者: David S. Miller

macvtap: fix tx_dropped counting error

After commit 8ffab51b
(macvlan: lockless tx path), tx stat counter were converted to percpu stat
structure. So we need use to this also for tx_dropped in macvtap. Otherwise, the
management won't notice the dropping packet in macvtap tx path.

Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Vlad Yasevich <vyasevic@redhat.com>
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: NJason Wang <jasowang@redhat.com>
Acked-by: NMichael S. Tsirkin <mst@redhat.com>
Acked-by: NVlad Yasevich <vyasevic@redhat.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 167f76a8
......@@ -744,7 +744,7 @@ static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m,
rcu_read_lock();
vlan = rcu_dereference(q->vlan);
if (vlan)
vlan->dev->stats.tx_dropped++;
this_cpu_inc(vlan->pcpu_stats->tx_dropped);
rcu_read_unlock();
return err;
......
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