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authorHeng Qi <hengqi@linux.alibaba.com>2023-12-11 11:36:05 +0100
committerDavid S. Miller <davem@davemloft.net>2023-12-13 13:49:04 +0100
commitd7180080ddf7dc283e93e009662d308de733f805 (patch)
tree584e3864c6cb3552318099222100a716970c7074 /drivers/net/virtio_net.c
parentvirtio-net: returns whether napi is complete (diff)
downloadlinux-d7180080ddf7dc283e93e009662d308de733f805.tar.xz
linux-d7180080ddf7dc283e93e009662d308de733f805.zip
virtio-net: separate rx/tx coalescing moderation cmds
This patch separates the rx and tx global coalescing moderation commands to support netdim switches in subsequent patches. 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.c31
1 files changed, 28 insertions, 3 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 0ad2894e6a5e..0285301caf78 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -3266,10 +3266,10 @@ static int virtnet_get_link_ksettings(struct net_device *dev,
return 0;
}
-static int virtnet_send_notf_coal_cmds(struct virtnet_info *vi,
- struct ethtool_coalesce *ec)
+static int virtnet_send_tx_notf_coal_cmds(struct virtnet_info *vi,
+ struct ethtool_coalesce *ec)
{
- struct scatterlist sgs_tx, sgs_rx;
+ struct scatterlist sgs_tx;
int i;
vi->ctrl->coal_tx.tx_usecs = cpu_to_le32(ec->tx_coalesce_usecs);
@@ -3289,6 +3289,15 @@ static int virtnet_send_notf_coal_cmds(struct virtnet_info *vi,
vi->sq[i].intr_coal.max_packets = ec->tx_max_coalesced_frames;
}
+ return 0;
+}
+
+static int virtnet_send_rx_notf_coal_cmds(struct virtnet_info *vi,
+ struct ethtool_coalesce *ec)
+{
+ struct scatterlist sgs_rx;
+ int i;
+
vi->ctrl->coal_rx.rx_usecs = cpu_to_le32(ec->rx_coalesce_usecs);
vi->ctrl->coal_rx.rx_max_packets = cpu_to_le32(ec->rx_max_coalesced_frames);
sg_init_one(&sgs_rx, &vi->ctrl->coal_rx, sizeof(vi->ctrl->coal_rx));
@@ -3309,6 +3318,22 @@ static int virtnet_send_notf_coal_cmds(struct virtnet_info *vi,
return 0;
}
+static int virtnet_send_notf_coal_cmds(struct virtnet_info *vi,
+ struct ethtool_coalesce *ec)
+{
+ int err;
+
+ err = virtnet_send_tx_notf_coal_cmds(vi, ec);
+ if (err)
+ return err;
+
+ err = virtnet_send_rx_notf_coal_cmds(vi, ec);
+ if (err)
+ return err;
+
+ return 0;
+}
+
static int virtnet_send_ctrl_coal_vq_cmd(struct virtnet_info *vi,
u16 vqn, u32 max_usecs, u32 max_packets)
{