drivers/net/hyperv/netvsc_trace.h

Source file repositories/reference/linux-study-clean/drivers/net/hyperv/netvsc_trace.h

File Facts

System
Linux kernel
Corpus path
drivers/net/hyperv/netvsc_trace.h
Extension
.h
Size
6309 bytes
Lines
183
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#if !defined(_NETVSC_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
#define _NETVSC_TRACE_H

#include <linux/tracepoint.h>

#undef TRACE_SYSTEM
#define TRACE_SYSTEM netvsc
#define TRACE_INCLUDE_FILE netvsc_trace

TRACE_DEFINE_ENUM(RNDIS_MSG_PACKET);
TRACE_DEFINE_ENUM(RNDIS_MSG_INDICATE);
TRACE_DEFINE_ENUM(RNDIS_MSG_INIT);
TRACE_DEFINE_ENUM(RNDIS_MSG_INIT_C);
TRACE_DEFINE_ENUM(RNDIS_MSG_HALT);
TRACE_DEFINE_ENUM(RNDIS_MSG_QUERY);
TRACE_DEFINE_ENUM(RNDIS_MSG_QUERY_C);
TRACE_DEFINE_ENUM(RNDIS_MSG_SET);
TRACE_DEFINE_ENUM(RNDIS_MSG_SET_C);
TRACE_DEFINE_ENUM(RNDIS_MSG_RESET);
TRACE_DEFINE_ENUM(RNDIS_MSG_RESET_C);
TRACE_DEFINE_ENUM(RNDIS_MSG_KEEPALIVE);
TRACE_DEFINE_ENUM(RNDIS_MSG_KEEPALIVE_C);

#define show_rndis_type(type)					\
	__print_symbolic(type,					\
		 { RNDIS_MSG_PACKET,	  "PACKET" },		\
		 { RNDIS_MSG_INDICATE,	  "INDICATE", },	\
		 { RNDIS_MSG_INIT,	  "INIT", },		\
		 { RNDIS_MSG_INIT_C,	  "INIT_C", },		\
		 { RNDIS_MSG_HALT,	  "HALT", },		\
		 { RNDIS_MSG_QUERY,	  "QUERY", },		\
		 { RNDIS_MSG_QUERY_C,	  "QUERY_C", },		\
		 { RNDIS_MSG_SET,	  "SET", },		\
		 { RNDIS_MSG_SET_C,	  "SET_C", },		\
		 { RNDIS_MSG_RESET,	  "RESET", },		\
		 { RNDIS_MSG_RESET_C,	  "RESET_C", },		\
		 { RNDIS_MSG_KEEPALIVE,	  "KEEPALIVE", },	\
		 { RNDIS_MSG_KEEPALIVE_C, "KEEPALIVE_C", })

DECLARE_EVENT_CLASS(rndis_msg_class,
       TP_PROTO(const struct net_device *ndev, u16 q,
		const struct rndis_message *msg),
       TP_ARGS(ndev, q, msg),
       TP_STRUCT__entry(
	       __string( name, ndev->name  )
	       __field(	 u16,  queue	   )
	       __field(	 u32,  req_id	   )
	       __field(	 u32,  msg_type	   )
	       __field(	 u32,  msg_len	   )
       ),
       TP_fast_assign(
	       __assign_str(name);
	       __entry->queue	 = q;
	       __entry->req_id	 = msg->msg.init_req.req_id;
	       __entry->msg_type = msg->ndis_msg_type;
	       __entry->msg_len	 = msg->msg_len;
       ),
       TP_printk("dev=%s q=%u req=%#x type=%s msg_len=%u",
		 __get_str(name), __entry->queue, __entry->req_id,
		 show_rndis_type(__entry->msg_type), __entry->msg_len)
);

DEFINE_EVENT(rndis_msg_class, rndis_send,
       TP_PROTO(const struct net_device *ndev, u16 q,
		const struct rndis_message *msg),
       TP_ARGS(ndev, q, msg)
);

DEFINE_EVENT(rndis_msg_class, rndis_recv,
       TP_PROTO(const struct net_device *ndev, u16 q,
		const struct rndis_message *msg),
       TP_ARGS(ndev, q, msg)
);

TRACE_DEFINE_ENUM(NVSP_MSG_TYPE_INIT);
TRACE_DEFINE_ENUM(NVSP_MSG_TYPE_INIT_COMPLETE);
TRACE_DEFINE_ENUM(NVSP_MSG1_TYPE_SEND_NDIS_VER);
TRACE_DEFINE_ENUM(NVSP_MSG1_TYPE_SEND_RECV_BUF);
TRACE_DEFINE_ENUM(NVSP_MSG1_TYPE_SEND_RECV_BUF_COMPLETE);
TRACE_DEFINE_ENUM(NVSP_MSG1_TYPE_REVOKE_RECV_BUF);
TRACE_DEFINE_ENUM(NVSP_MSG1_TYPE_SEND_SEND_BUF);
TRACE_DEFINE_ENUM(NVSP_MSG1_TYPE_SEND_SEND_BUF_COMPLETE);
TRACE_DEFINE_ENUM(NVSP_MSG1_TYPE_REVOKE_SEND_BUF);
TRACE_DEFINE_ENUM(NVSP_MSG1_TYPE_SEND_RNDIS_PKT);
TRACE_DEFINE_ENUM(NVSP_MSG1_TYPE_SEND_RNDIS_PKT_COMPLETE);
TRACE_DEFINE_ENUM(NVSP_MSG2_TYPE_SEND_NDIS_CONFIG);

TRACE_DEFINE_ENUM(NVSP_MSG4_TYPE_SEND_VF_ASSOCIATION);
TRACE_DEFINE_ENUM(NVSP_MSG4_TYPE_SWITCH_DATA_PATH);

Annotation

Implementation Notes