提交 e4166625 编写于 作者: J Jason Wang 提交者: David S. Miller

virtio_net: enable napi for all possible queues during open

Commit 55257d72 (virtio-net: fill only rx
queues which are being used) only does the napi enabling during open for
curr_queue_pairs. This will break multiqueue receiving since napi of new queues
were still disabled after changing the number of queues.

This patch fixes this by enabling napi for all possible queues during open.

Cc: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: NJason Wang <jasowang@redhat.com>
Acked-by: NRusty Russell <rusty@rustcorp.com.au>
Acked-by: NMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 35f079eb
...@@ -636,10 +636,11 @@ static int virtnet_open(struct net_device *dev) ...@@ -636,10 +636,11 @@ static int virtnet_open(struct net_device *dev)
struct virtnet_info *vi = netdev_priv(dev); struct virtnet_info *vi = netdev_priv(dev);
int i; int i;
for (i = 0; i < vi->curr_queue_pairs; i++) { for (i = 0; i < vi->max_queue_pairs; i++) {
/* Make sure we have some buffers: if oom use wq. */ if (i < vi->curr_queue_pairs)
if (!try_fill_recv(&vi->rq[i], GFP_KERNEL)) /* Make sure we have some buffers: if oom use wq. */
schedule_delayed_work(&vi->refill, 0); if (!try_fill_recv(&vi->rq[i], GFP_KERNEL))
schedule_delayed_work(&vi->refill, 0);
virtnet_napi_enable(&vi->rq[i]); virtnet_napi_enable(&vi->rq[i]);
} }
......
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