Commit 34cfe872 authored by Xuan Zhuo's avatar Xuan Zhuo Committed by Paolo Abeni
Browse files

virtio_net: introduce device stats feature and structures 

The virtio-net device stats spec:

https://github.com/oasis-tcs/virtio-spec/commit/42f389989823039724f95bbbd243291ab0064f82



We introduce the relative feature and structures.

Signed-off-by: default avatarXuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: default avatarJason Wang <jasowang@redhat.com>
Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent aff5b0e6

include/uapi/linux/virtio_net.h

+143 −0
Original line number Diff line number Diff line
@@ -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 +407,146 @@ 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;



	/* rx_{packets,bytes}_allowance_exceeded are too long. So rename to

	 * short name.

	 */

	__le64 rx_ratelimit_packets;

	__le64 rx_ratelimit_bytes;

};



struct virtio_net_stats_tx_speed {

	struct virtio_net_stats_reply_hdr hdr;



	/* tx_{packets,bytes}_allowance_exceeded are too long. So rename to

	 * short name.

	 */

	__le64 tx_ratelimit_packets;

	__le64 tx_ratelimit_bytes;

};



#endif /* _UAPI_LINUX_VIRTIO_NET_H */