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Date: Tue, 26 Dec 2023 19:26:26 +0800
From: Zhu Yanjun <yanjun.zhu@...ux.dev>
To: Xuan Zhuo <xuanzhuo@...ux.alibaba.com>, netdev@...r.kernel.org
Cc: "Michael S. Tsirkin" <mst@...hat.com>, Jason Wang <jasowang@...hat.com>,
"David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
virtualization@...ts.linux.dev
Subject: Re: [PATCH net-next v1 1/6] virtio_net: introduce device stats
feature and structures
在 2023/12/26 15:30, Xuan Zhuo 写道:
> The virtio-net device stats spec:
>
> https://github.com/oasis-tcs/virtio-spec/commit/42f389989823039724f95bbbd243291ab0064f82
>
> This commit introduces the relative feature and structures.
>
> Signed-off-by: Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
> ---
> include/uapi/linux/virtio_net.h | 137 ++++++++++++++++++++++++++++++++
> 1 file changed, 137 insertions(+)
>
> diff --git a/include/uapi/linux/virtio_net.h b/include/uapi/linux/virtio_net.h
> index cc65ef0f3c3e..8fca4d1b7635 100644
> --- a/include/uapi/linux/virtio_net.h
> +++ b/include/uapi/linux/virtio_net.h
> @@ -56,6 +56,7 @@
> #define VIRTIO_NET_F_MQ 22 /* Device supports Receive Flow
> * Steering */
> #define VIRTIO_NET_F_CTRL_MAC_ADDR 23 /* Set MAC address */
> +#define VIRTIO_NET_F_DEVICE_STATS 50 /* Device can provide device-level statistics. */
> #define VIRTIO_NET_F_VQ_NOTF_COAL 52 /* Device supports virtqueue notification coalescing */
> #define VIRTIO_NET_F_NOTF_COAL 53 /* Device supports notifications coalescing */
> #define VIRTIO_NET_F_GUEST_USO4 54 /* Guest can handle USOv4 in. */
> @@ -406,4 +407,140 @@ struct virtio_net_ctrl_coal_vq {
> struct virtio_net_ctrl_coal coal;
> };
>
> +/*
> + * Device Statistics
> + */
> +#define VIRTIO_NET_CTRL_STATS 8
> +#define VIRTIO_NET_CTRL_STATS_QUERY 0
> +#define VIRTIO_NET_CTRL_STATS_GET 1
> +
> +struct virtio_net_stats_capabilities {
> +
> +#define VIRTIO_NET_STATS_TYPE_CVQ (1ULL << 32)
> +
> +#define VIRTIO_NET_STATS_TYPE_RX_BASIC (1ULL << 0)
> +#define VIRTIO_NET_STATS_TYPE_RX_CSUM (1ULL << 1)
> +#define VIRTIO_NET_STATS_TYPE_RX_GSO (1ULL << 2)
> +#define VIRTIO_NET_STATS_TYPE_RX_SPEED (1ULL << 3)
> +
> +#define VIRTIO_NET_STATS_TYPE_TX_BASIC (1ULL << 16)
> +#define VIRTIO_NET_STATS_TYPE_TX_CSUM (1ULL << 17)
> +#define VIRTIO_NET_STATS_TYPE_TX_GSO (1ULL << 18)
> +#define VIRTIO_NET_STATS_TYPE_TX_SPEED (1ULL << 19)
> +
> + __le64 supported_stats_types[1];
> +};
> +
> +struct virtio_net_ctrl_queue_stats {
> + struct {
> + __le16 vq_index;
> + __le16 reserved[3];
> + __le64 types_bitmap[1];
> + } stats[1];
> +};
> +
> +struct virtio_net_stats_reply_hdr {
> +#define VIRTIO_NET_STATS_TYPE_REPLY_CVQ 32
> +
> +#define VIRTIO_NET_STATS_TYPE_REPLY_RX_BASIC 0
> +#define VIRTIO_NET_STATS_TYPE_REPLY_RX_CSUM 1
> +#define VIRTIO_NET_STATS_TYPE_REPLY_RX_GSO 2
> +#define VIRTIO_NET_STATS_TYPE_REPLY_RX_SPEED 3
> +
> +#define VIRTIO_NET_STATS_TYPE_REPLY_TX_BASIC 16
> +#define VIRTIO_NET_STATS_TYPE_REPLY_TX_CSUM 17
> +#define VIRTIO_NET_STATS_TYPE_REPLY_TX_GSO 18
> +#define VIRTIO_NET_STATS_TYPE_REPLY_TX_SPEED 19
> + __u8 type;
> + __u8 reserved;
Thanks a lot. I have made tests. The mentioned errors are fixed in this
patch series.
Zhu Yanjun
> + __le16 vq_index;
> + __le16 reserved1;
> + __le16 size;
> +};
> +
> +struct virtio_net_stats_cvq {
> + struct virtio_net_stats_reply_hdr hdr;
> +
> + __le64 command_num;
> + __le64 ok_num;
> +};
> +
> +struct virtio_net_stats_rx_basic {
> + struct virtio_net_stats_reply_hdr hdr;
> +
> + __le64 rx_notifications;
> +
> + __le64 rx_packets;
> + __le64 rx_bytes;
> +
> + __le64 rx_interrupts;
> +
> + __le64 rx_drops;
> + __le64 rx_drop_overruns;
> +};
> +
> +struct virtio_net_stats_tx_basic {
> + struct virtio_net_stats_reply_hdr hdr;
> +
> + __le64 tx_notifications;
> +
> + __le64 tx_packets;
> + __le64 tx_bytes;
> +
> + __le64 tx_interrupts;
> +
> + __le64 tx_drops;
> + __le64 tx_drop_malformed;
> +};
> +
> +struct virtio_net_stats_rx_csum {
> + struct virtio_net_stats_reply_hdr hdr;
> +
> + __le64 rx_csum_valid;
> + __le64 rx_needs_csum;
> + __le64 rx_csum_none;
> + __le64 rx_csum_bad;
> +};
> +
> +struct virtio_net_stats_tx_csum {
> + struct virtio_net_stats_reply_hdr hdr;
> +
> + __le64 tx_csum_none;
> + __le64 tx_needs_csum;
> +};
> +
> +struct virtio_net_stats_rx_gso {
> + struct virtio_net_stats_reply_hdr hdr;
> +
> + __le64 rx_gso_packets;
> + __le64 rx_gso_bytes;
> + __le64 rx_gso_packets_coalesced;
> + __le64 rx_gso_bytes_coalesced;
> +};
> +
> +struct virtio_net_stats_tx_gso {
> + struct virtio_net_stats_reply_hdr hdr;
> +
> + __le64 tx_gso_packets;
> + __le64 tx_gso_bytes;
> + __le64 tx_gso_segments;
> + __le64 tx_gso_segments_bytes;
> + __le64 tx_gso_packets_noseg;
> + __le64 tx_gso_bytes_noseg;
> +};
> +
> +struct virtio_net_stats_rx_speed {
> + struct virtio_net_stats_reply_hdr hdr;
> +
> + __le64 rx_packets_allowance_exceeded;
> + __le64 rx_bytes_allowance_exceeded;
> +};
> +
> +struct virtio_net_stats_tx_speed {
> + struct virtio_net_stats_reply_hdr hdr;
> +
> + __le64 tx_packets_allowance_exceeded;
> + __le64 tx_bytes_allowance_exceeded;
> +};
> +
> #endif /* _UAPI_LINUX_VIRTIO_NET_H */
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