diff options
| author | Heng Qi <hengqi@linux.alibaba.com> | 2024-08-01 16:23:38 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2024-08-05 13:10:22 +0300 |
| commit | 4ba8d97083707409822264fd1776aad7233f353e (patch) | |
| tree | 59778397ed39f7276e3bc5bc62b5c3f17c238b54 /drivers | |
| parent | b50f2af9fbc5c00103ca8b72752b15310bd77762 (diff) | |
| download | linux-4ba8d97083707409822264fd1776aad7233f353e.tar.xz | |
virtio-net: unbreak vq resizing when coalescing is not negotiated
Don't break the resize action if the vq coalescing feature
named VIRTIO_NET_F_VQ_NOTF_COAL is not negotiated.
Fixes: f61fe5f081cf ("virtio-net: fix the vq coalescing setting for vq resize")
Signed-off-by: Heng Qi <hengqi@linux.alibaba.com>
Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Eugenio Pé rez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/virtio_net.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index b1176be8fcfd..3f10c72743e9 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -3749,7 +3749,11 @@ static int virtnet_set_ringparam(struct net_device *dev, err = virtnet_send_tx_ctrl_coal_vq_cmd(vi, i, vi->intr_coal_tx.max_usecs, vi->intr_coal_tx.max_packets); - if (err) + + /* Don't break the tx resize action if the vq coalescing is not + * supported. The same is true for rx resize below. + */ + if (err && err != -EOPNOTSUPP) return err; } @@ -3764,7 +3768,7 @@ static int virtnet_set_ringparam(struct net_device *dev, vi->intr_coal_rx.max_usecs, vi->intr_coal_rx.max_packets); mutex_unlock(&vi->rq[i].dim_lock); - if (err) + if (err && err != -EOPNOTSUPP) return err; } } |