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virtio-net: unbreak vq resizing when coalescing is not negotiated

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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>
This commit is contained in:
Heng Qi 2024-08-01 21:23:38 +08:00 committed by David S. Miller
parent b50f2af9fb
commit 4ba8d97083
1 changed files with 6 additions and 2 deletions
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8
drivers/net/virtio_net.c
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@ -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;
}
}