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Message-Id: <20240318110602.37166-2-xuanzhuo@linux.alibaba.com>
Date: Mon, 18 Mar 2024 19:05:54 +0800
From: Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
To: netdev@...r.kernel.org
Cc: "David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
"Michael S. Tsirkin" <mst@...hat.com>,
Jason Wang <jasowang@...hat.com>,
Xuan Zhuo <xuanzhuo@...ux.alibaba.com>,
Alexei Starovoitov <ast@...nel.org>,
Daniel Borkmann <daniel@...earbox.net>,
Jesper Dangaard Brouer <hawk@...nel.org>,
John Fastabend <john.fastabend@...il.com>,
Stanislav Fomichev <sdf@...gle.com>,
Amritha Nambiar <amritha.nambiar@...el.com>,
Larysa Zaremba <larysa.zaremba@...el.com>,
Sridhar Samudrala <sridhar.samudrala@...el.com>,
Maciej Fijalkowski <maciej.fijalkowski@...el.com>,
virtualization@...ts.linux.dev,
bpf@...r.kernel.org
Subject: [PATCH net-next v5 1/9] 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: Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
---
include/uapi/linux/virtio_net.h | 143 ++++++++++++++++++++++++++++++++
1 file changed, 143 insertions(+)
diff --git a/include/uapi/linux/virtio_net.h b/include/uapi/linux/virtio_net.h
index cc65ef0f3c3e..ac9174717ef1 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 +407,146 @@ 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 */
--
2.32.0.3.g01195cf9f
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