iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

virtio-net: separate rx/tx coalescing moderation cmds

Browse Source 
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>
This commit is contained in:
Heng Qi 2023-12-11 18:36:05 +08:00 committed by David S. Miller
parent 7949c06ad9
commit d7180080dd
1 changed files with 28 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
drivers/net/virtio_net.c
View File

@ -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)
{