virtio-net: fix mismatch of getting tx-frames

[ Upstream commit 134674c1877be5e35e35802517c67a9ecce21153 ]

Since virtio-net allows switching napi_tx for per txq, we have to
get the specific txq's result now.

Fixes: 394bd87764b6 ("virtio_net: support per queue interrupt coalesce command")
Cc: Gavin Li <gavinl@nvidia.com>
Signed-off-by: Heng Qi <hengqi@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index d67f742..b218c2b 100644 (file)
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -3453,7 +3453,7 @@ static int virtnet_get_per_queue_coalesce(struct net_device *dev,
        } else {
                ec->rx_max_coalesced_frames = 1;
 
-               if (vi->sq[0].napi.weight)
+               if (vi->sq[queue].napi.weight)
                        ec->tx_max_coalesced_frames = 1;
        }