diff mbox series

[RFC,3/6] virtio-net: extract virtqueue coalescig cmd for reuse

Message ID 20230801082235.21634-4-hengqi@linux.alibaba.com (mailing list archive)
State RFC
Delegated to: Netdev Maintainers
Headers show
Series virtio-net: support dynamic coalescing moderation | expand

Checks

Context Check Description
netdev/tree_selection success Guessing tree name failed - patch did not apply

Commit Message

Heng Qi Aug. 1, 2023, 8:22 a.m. UTC 
Extract commands to set virtqueue coalescing parameters for reuse
by ethtool -Q and netdim.

Signed-off-by: Heng Qi <hengqi@linux.alibaba.com>
---
 drivers/net/virtio_net.c | 54 +++++++++++++++++++++++++++++++---------
 1 file changed, 42 insertions(+), 12 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 9bf39024d53d..91b284567c96 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -3129,6 +3129,42 @@  static int virtnet_send_ctrl_coal_vq_cmd(struct virtnet_info *vi,
 	return 0;
 }
 
+static int virtnet_send_tx_notf_coal_vq_cmd(struct virtnet_info *vi,
+					    u16 queue, u32 max_usecs,
+					    u32 max_packets)
+{
+	int err;
+
+	err = virtnet_send_ctrl_coal_vq_cmd(vi, txq2vq(queue),
+					    max_usecs, max_packets);
+	if (err)
+		return err;
+
+	/* Save parameters */
+	vi->sq[queue].intr_coal.max_usecs = max_usecs;
+	vi->sq[queue].intr_coal.max_packets = max_packets;
+
+	return 0;
+}
+
+static int virtnet_send_rx_notf_coal_vq_cmd(struct virtnet_info *vi,
+					    u16 queue, u32 max_usecs,
+					    u32 max_packets)
+{
+	int err;
+
+	err = virtnet_send_ctrl_coal_vq_cmd(vi, rxq2vq(queue),
+					    max_usecs, max_packets);
+	if (err)
+		return err;
+
+	/* Save parameters */
+	vi->rq[queue].intr_coal.max_usecs = max_usecs;
+	vi->rq[queue].intr_coal.max_packets = max_packets;
+
+	return 0;
+}
+
 static int virtnet_send_notf_coal_vq_cmds(struct virtnet_info *vi,
 					  struct ethtool_coalesce *ec,
 					  u16 queue)
@@ -3136,25 +3172,19 @@  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);
+		err = virtnet_send_rx_notf_coal_vq_cmd(vi, 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;
 	}
 
 	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);
+		err = virtnet_send_tx_notf_coal_vq_cmd(vi, 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;
 	}
 
 	return 0;