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Message-Id: <20230811065512.22190-5-hengqi@linux.alibaba.com> Date: Fri, 11 Aug 2023 14:55:08 +0800 From: Heng Qi <hengqi@...ux.alibaba.com> To: "Michael S . Tsirkin" <mst@...hat.com>, Jason Wang <jasowang@...hat.com>, netdev@...r.kernel.org, virtualization@...ts.linux-foundation.org Cc: "David S . Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Jesper Dangaard Brouer <hawk@...nel.org>, John Fastabend <john.fastabend@...il.com>, Xuan Zhuo <xuanzhuo@...ux.alibaba.com> Subject: [PATCH net-next 4/8] 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@...ux.alibaba.com> --- drivers/net/virtio_net.c | 30 +++++++++++++++++++++++++++--- 1 file changed, 27 insertions(+), 3 deletions(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 8f61783fd895..9d97b20f5da7 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -3159,10 +3159,10 @@ 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; vi->ctrl->coal_tx.tx_usecs = cpu_to_le32(ec->tx_coalesce_usecs); vi->ctrl->coal_tx.tx_max_packets = cpu_to_le32(ec->tx_max_coalesced_frames); @@ -3177,6 +3177,14 @@ static int virtnet_send_notf_coal_cmds(struct virtnet_info *vi, vi->intr_coal_tx.max_usecs = ec->tx_coalesce_usecs; vi->intr_coal_tx.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; + 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)); @@ -3193,6 +3201,22 @@ 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) { -- 2.19.1.6.gb485710b
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