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authorHeng Qi <hengqi@linux.alibaba.com>2023-10-08 14:27:42 +0800
committerDavid S. Miller <davem@davemloft.net>2023-10-11 07:13:50 +0100
commitbfb2b3609162135625bf96acf5118051cd0d082e (patch)
tree338ea17ec0aa9df5b83638a1030768e4bd4c25e7 /drivers/net/virtio_net.c
parente9420838ab4ffb82850095549e94dcee3f7fe0cb (diff)
virtio-net: fix per queue coalescing parameter setting
When the user sets a non-zero coalescing parameter to 0 for a specific virtqueue, it does not work as expected, so let's fix this. Fixes: 394bd87764b6 ("virtio_net: support per queue interrupt coalesce command") Reported-by: Xiaoming Zhao <zxm377917@alibaba-inc.com> 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>
Diffstat (limited to 'drivers/net/virtio_net.c')
-rw-r--r--drivers/net/virtio_net.c36
1 files changed, 16 insertions, 20 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 04b48ca9ab1f..e3ad2f28e868 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -3296,27 +3296,23 @@ static int virtnet_send_notf_coal_vq_cmds(struct virtnet_info *vi,
{
int err;
- if (ec->rx_coalesce_usecs || ec->rx_max_coalesced_frames) {
- err = virtnet_send_ctrl_coal_vq_cmd(vi, rxq2vq(queue),
- ec->rx_coalesce_usecs,
- ec->rx_max_coalesced_frames);
- if (err)
- return err;
- /* Save parameters */
- vi->rq[queue].intr_coal.max_usecs = ec->rx_coalesce_usecs;
- vi->rq[queue].intr_coal.max_packets = ec->rx_max_coalesced_frames;
- }
+ err = virtnet_send_ctrl_coal_vq_cmd(vi, rxq2vq(queue),
+ ec->rx_coalesce_usecs,
+ ec->rx_max_coalesced_frames);
+ if (err)
+ return err;
- if (ec->tx_coalesce_usecs || ec->tx_max_coalesced_frames) {
- err = virtnet_send_ctrl_coal_vq_cmd(vi, txq2vq(queue),
- ec->tx_coalesce_usecs,
- ec->tx_max_coalesced_frames);
- if (err)
- return err;
- /* Save parameters */
- vi->sq[queue].intr_coal.max_usecs = ec->tx_coalesce_usecs;
- vi->sq[queue].intr_coal.max_packets = ec->tx_max_coalesced_frames;
- }
+ vi->rq[queue].intr_coal.max_usecs = ec->rx_coalesce_usecs;
+ vi->rq[queue].intr_coal.max_packets = ec->rx_max_coalesced_frames;
+
+ err = virtnet_send_ctrl_coal_vq_cmd(vi, txq2vq(queue),
+ ec->tx_coalesce_usecs,
+ ec->tx_max_coalesced_frames);
+ if (err)
+ return err;
+
+ vi->sq[queue].intr_coal.max_usecs = ec->tx_coalesce_usecs;
+ vi->sq[queue].intr_coal.max_packets = ec->tx_max_coalesced_frames;
return 0;
}