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Message-ID: <1703571463.67622-2-xuanzhuo@linux.alibaba.com>
Date: Tue, 26 Dec 2023 14:17:43 +0800
From: Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
To: Zhu Yanjun <yanjun.zhu@...ux.dev>
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,
netdev@...r.kernel.org
Subject: Re: [PATCH net-next 1/6] virtio_net: introduce device stats feature and structures
On Mon, 25 Dec 2023 16:01:39 +0800, Zhu Yanjun <yanjun.zhu@...ux.dev> wrote:
> 在 2023/12/22 11:30, 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.
>
> Hi, Xuan
>
> After applying this patch series, withe ethtool version 6.5,
> I got the following NIC statistics. But I do not find the statistics
> mentioned in this patch series.
> Do I miss something?
This needs the new virtio-net feature VIRTIO_NET_F_DEVICE_STATS.
You need to update the hypervisor. But the qemu may not support this.
Thanks.
>
> "
> NIC statistics:
> rx_packets: 3434812669
> rx_bytes: 5168475253690
> rx_drops: 0
> rx_xdp_packets: 0
> rx_xdp_tx: 0
> rx_xdp_redirects: 0
> rx_xdp_drops: 0
> rx_kicks: 57179891
> tx_packets: 187694230
> tx_bytes: 12423799040
> tx_xdp_tx: 0
> tx_xdp_tx_drops: 0
> tx_kicks: 187694230
> tx_timeouts: 0
> rx_queue_0_packets: 866027381
> rx_queue_0_bytes: 1302726908150
> rx_queue_0_drops: 0
> rx_queue_0_xdp_packets: 0
> rx_queue_0_xdp_tx: 0
> rx_queue_0_xdp_redirects: 0
> rx_queue_0_xdp_drops: 0
> rx_queue_0_kicks: 14567691
> rx_queue_1_packets: 856758801
> rx_queue_1_bytes: 1289899049042
> rx_queue_1_drops: 0
> rx_queue_1_xdp_packets: 0
> rx_queue_1_xdp_tx: 0
> rx_queue_1_xdp_redirects: 0
> rx_queue_1_xdp_drops: 0
> rx_queue_1_kicks: 14265201
> rx_queue_2_packets: 839291053
> rx_queue_2_bytes: 1261620863886
> rx_queue_2_drops: 0
> rx_queue_2_xdp_packets: 0
> rx_queue_2_xdp_tx: 0
> rx_queue_2_xdp_redirects: 0
> rx_queue_2_xdp_drops: 0
> rx_queue_2_kicks: 13857653
> rx_queue_3_packets: 872735434
> rx_queue_3_bytes: 1314228432612
> rx_queue_3_drops: 0
> rx_queue_3_xdp_packets: 0
> rx_queue_3_xdp_tx: 0
> rx_queue_3_xdp_redirects: 0
> rx_queue_3_xdp_drops: 0
> rx_queue_3_kicks: 14489346
> tx_queue_0_packets: 75723
> tx_queue_0_bytes: 4999030
> tx_queue_0_xdp_tx: 0
> tx_queue_0_xdp_tx_drops: 0
> tx_queue_0_kicks: 75723
> tx_queue_0_timeouts: 0
> tx_queue_1_packets: 62262921
> tx_queue_1_bytes: 4134803914
> tx_queue_1_xdp_tx: 0
> tx_queue_1_xdp_tx_drops: 0
> tx_queue_1_kicks: 62262921
> tx_queue_1_timeouts: 0
> tx_queue_2_packets: 83
> tx_queue_2_bytes: 5478
> tx_queue_2_xdp_tx: 0
> tx_queue_2_xdp_tx_drops: 0
> tx_queue_2_kicks: 83
> tx_queue_2_timeouts: 0
> tx_queue_3_packets: 125355503
> tx_queue_3_bytes: 8283990618
> tx_queue_3_xdp_tx: 0
> tx_queue_3_xdp_tx_drops: 0
> tx_queue_3_kicks: 125355503
> tx_queue_3_timeouts: 0
> "
>
> >
> > 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..129e0871d28f 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 (1L << 32)
> > +
> > +#define VIRTIO_NET_STATS_TYPE_RX_BASIC (1 << 0)
> > +#define VIRTIO_NET_STATS_TYPE_RX_CSUM (1 << 1)
> > +#define VIRTIO_NET_STATS_TYPE_RX_GSO (1 << 2)
> > +#define VIRTIO_NET_STATS_TYPE_RX_SPEED (1 << 3)
> > +
> > +#define VIRTIO_NET_STATS_TYPE_TX_BASIC (1 << 16)
> > +#define VIRTIO_NET_STATS_TYPE_TX_CSUM (1 << 17)
> > +#define VIRTIO_NET_STATS_TYPE_TX_GSO (1 << 18)
> > +#define VIRTIO_NET_STATS_TYPE_TX_SPEED (1 << 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;
> > + __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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