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 <xuanz...@linux.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;
+       __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 */
-- 
2.32.0.3.g01195cf9f


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