Alvaro Karsz
2023-Mar-05 15:49 UTC
[PATCH net] virtio-net: unify notifications coalescing structs
Unify virtio_net_ctrl_coal_tx and virtio_net_ctrl_coal_rx structs into a
single struct, virtio_net_ctrl_coal, as they are identical.
This patch follows the VirtIO spec patch:
https://lists.oasis-open.org/archives/virtio-comment/202302/msg00431.html
Signed-off-by: Alvaro Karsz <alvaro.karsz at solid-run.com>
---
drivers/net/virtio_net.c | 15 +++++++--------
include/uapi/linux/virtio_net.h | 24 +++++++-----------------
2 files changed, 14 insertions(+), 25 deletions(-)
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index fb5e68ed3ec..86b6b3e0257 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -2883,12 +2883,11 @@ static int virtnet_send_notf_coal_cmds(struct
virtnet_info *vi,
struct ethtool_coalesce *ec)
{
struct scatterlist sgs_tx, sgs_rx;
- struct virtio_net_ctrl_coal_tx coal_tx;
- struct virtio_net_ctrl_coal_rx coal_rx;
+ struct virtio_net_ctrl_coal coal_params;
- coal_tx.tx_usecs = cpu_to_le32(ec->tx_coalesce_usecs);
- coal_tx.tx_max_packets = cpu_to_le32(ec->tx_max_coalesced_frames);
- sg_init_one(&sgs_tx, &coal_tx, sizeof(coal_tx));
+ coal_params.max_usecs = cpu_to_le32(ec->tx_coalesce_usecs);
+ coal_params.max_packets = cpu_to_le32(ec->tx_max_coalesced_frames);
+ sg_init_one(&sgs_tx, &coal_params, sizeof(coal_params));
if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_NOTF_COAL,
VIRTIO_NET_CTRL_NOTF_COAL_TX_SET,
@@ -2899,9 +2898,9 @@ static int virtnet_send_notf_coal_cmds(struct virtnet_info
*vi,
vi->tx_usecs = ec->tx_coalesce_usecs;
vi->tx_max_packets = ec->tx_max_coalesced_frames;
- coal_rx.rx_usecs = cpu_to_le32(ec->rx_coalesce_usecs);
- coal_rx.rx_max_packets = cpu_to_le32(ec->rx_max_coalesced_frames);
- sg_init_one(&sgs_rx, &coal_rx, sizeof(coal_rx));
+ coal_params.max_usecs = cpu_to_le32(ec->rx_coalesce_usecs);
+ coal_params.max_packets = cpu_to_le32(ec->rx_max_coalesced_frames);
+ sg_init_one(&sgs_rx, &coal_params, sizeof(coal_params));
if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_NOTF_COAL,
VIRTIO_NET_CTRL_NOTF_COAL_RX_SET,
diff --git a/include/uapi/linux/virtio_net.h b/include/uapi/linux/virtio_net.h
index b4062bed186..ce044260e02 100644
--- a/include/uapi/linux/virtio_net.h
+++ b/include/uapi/linux/virtio_net.h
@@ -367,28 +367,18 @@ struct virtio_net_hash_config {
* Available with the VIRTIO_NET_F_NOTF_COAL feature bit.
*/
#define VIRTIO_NET_CTRL_NOTF_COAL 6
-/*
- * Set the tx-usecs/tx-max-packets parameters.
- */
-struct virtio_net_ctrl_coal_tx {
- /* Maximum number of packets to send before a TX notification */
- __le32 tx_max_packets;
- /* Maximum number of usecs to delay a TX notification */
- __le32 tx_usecs;
-};
-
-#define VIRTIO_NET_CTRL_NOTF_COAL_TX_SET 0
/*
- * Set the rx-usecs/rx-max-packets parameters.
+ * Set the max_usecs/max_packets coalescing parameters for all transmit/receive
virtqueues.
*/
-struct virtio_net_ctrl_coal_rx {
- /* Maximum number of packets to receive before a RX notification */
- __le32 rx_max_packets;
- /* Maximum number of usecs to delay a RX notification */
- __le32 rx_usecs;
+struct virtio_net_ctrl_coal {
+ /* Maximum number of packets to send/receive before a TX/RX notification */
+ __le32 max_packets;
+ /* Maximum number of microseconds to delay a TX/RX notification */
+ __le32 max_usecs;
};
+#define VIRTIO_NET_CTRL_NOTF_COAL_TX_SET 0
#define VIRTIO_NET_CTRL_NOTF_COAL_RX_SET 1
#endif /* _UAPI_LINUX_VIRTIO_NET_H */
--
2.34.1
Jason Wang
2023-Mar-06 03:39 UTC
[PATCH net] virtio-net: unify notifications coalescing structs
On Sun, Mar 5, 2023 at 11:49?PM Alvaro Karsz <alvaro.karsz at solid-run.com> wrote:> > Unify virtio_net_ctrl_coal_tx and virtio_net_ctrl_coal_rx structs into a > single struct, virtio_net_ctrl_coal, as they are identical. > > This patch follows the VirtIO spec patch: > https://lists.oasis-open.org/archives/virtio-comment/202302/msg00431.html > > Signed-off-by: Alvaro Karsz <alvaro.karsz at solid-run.com> > --- > drivers/net/virtio_net.c | 15 +++++++-------- > include/uapi/linux/virtio_net.h | 24 +++++++----------------- > 2 files changed, 14 insertions(+), 25 deletions(-) > > diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c > index fb5e68ed3ec..86b6b3e0257 100644 > --- a/drivers/net/virtio_net.c > +++ b/drivers/net/virtio_net.c > @@ -2883,12 +2883,11 @@ static int virtnet_send_notf_coal_cmds(struct virtnet_info *vi, > struct ethtool_coalesce *ec) > { > struct scatterlist sgs_tx, sgs_rx; > - struct virtio_net_ctrl_coal_tx coal_tx; > - struct virtio_net_ctrl_coal_rx coal_rx; > + struct virtio_net_ctrl_coal coal_params; > > - coal_tx.tx_usecs = cpu_to_le32(ec->tx_coalesce_usecs); > - coal_tx.tx_max_packets = cpu_to_le32(ec->tx_max_coalesced_frames); > - sg_init_one(&sgs_tx, &coal_tx, sizeof(coal_tx)); > + coal_params.max_usecs = cpu_to_le32(ec->tx_coalesce_usecs); > + coal_params.max_packets = cpu_to_le32(ec->tx_max_coalesced_frames); > + sg_init_one(&sgs_tx, &coal_params, sizeof(coal_params)); > > if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_NOTF_COAL, > VIRTIO_NET_CTRL_NOTF_COAL_TX_SET, > @@ -2899,9 +2898,9 @@ static int virtnet_send_notf_coal_cmds(struct virtnet_info *vi, > vi->tx_usecs = ec->tx_coalesce_usecs; > vi->tx_max_packets = ec->tx_max_coalesced_frames; > > - coal_rx.rx_usecs = cpu_to_le32(ec->rx_coalesce_usecs); > - coal_rx.rx_max_packets = cpu_to_le32(ec->rx_max_coalesced_frames); > - sg_init_one(&sgs_rx, &coal_rx, sizeof(coal_rx)); > + coal_params.max_usecs = cpu_to_le32(ec->rx_coalesce_usecs); > + coal_params.max_packets = cpu_to_le32(ec->rx_max_coalesced_frames); > + sg_init_one(&sgs_rx, &coal_params, sizeof(coal_params)); > > if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_NOTF_COAL, > VIRTIO_NET_CTRL_NOTF_COAL_RX_SET, > diff --git a/include/uapi/linux/virtio_net.h b/include/uapi/linux/virtio_net.h > index b4062bed186..ce044260e02 100644 > --- a/include/uapi/linux/virtio_net.h > +++ b/include/uapi/linux/virtio_net.h > @@ -367,28 +367,18 @@ struct virtio_net_hash_config { > * Available with the VIRTIO_NET_F_NOTF_COAL feature bit. > */ > #define VIRTIO_NET_CTRL_NOTF_COAL 6 > -/* > - * Set the tx-usecs/tx-max-packets parameters. > - */ > -struct virtio_net_ctrl_coal_tx { > - /* Maximum number of packets to send before a TX notification */ > - __le32 tx_max_packets; > - /* Maximum number of usecs to delay a TX notification */ > - __le32 tx_usecs; > -};Is this too late to be changed? Thanks> - > -#define VIRTIO_NET_CTRL_NOTF_COAL_TX_SET 0 > > /* > - * Set the rx-usecs/rx-max-packets parameters. > + * Set the max_usecs/max_packets coalescing parameters for all transmit/receive virtqueues. > */ > -struct virtio_net_ctrl_coal_rx { > - /* Maximum number of packets to receive before a RX notification */ > - __le32 rx_max_packets; > - /* Maximum number of usecs to delay a RX notification */ > - __le32 rx_usecs; > +struct virtio_net_ctrl_coal { > + /* Maximum number of packets to send/receive before a TX/RX notification */ > + __le32 max_packets; > + /* Maximum number of microseconds to delay a TX/RX notification */ > + __le32 max_usecs; > }; > > +#define VIRTIO_NET_CTRL_NOTF_COAL_TX_SET 0 > #define VIRTIO_NET_CTRL_NOTF_COAL_RX_SET 1 > > #endif /* _UAPI_LINUX_VIRTIO_NET_H */ > -- > 2.34.1 >