drivers/net/wireless/mediatek/mt7601u/trace.h

Source file repositories/reference/linux-study-clean/drivers/net/wireless/mediatek/mt7601u/trace.h

File Facts

System
Linux kernel
Corpus path
drivers/net/wireless/mediatek/mt7601u/trace.h
Extension
.h
Size
9358 bytes
Lines
393
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(__MT7601U_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
#define __MT7601U_TRACE_H

#include <linux/tracepoint.h>
#include "mt7601u.h"
#include "mac.h"

#undef TRACE_SYSTEM
#define TRACE_SYSTEM mt7601u

#define MAXNAME		32
#define DEV_ENTRY	__array(char, wiphy_name, 32)
#define DEV_ASSIGN	strscpy(__entry->wiphy_name,			\
				wiphy_name(dev->hw->wiphy), MAXNAME)
#define DEV_PR_FMT	"%s "
#define DEV_PR_ARG	__entry->wiphy_name

#define REG_ENTRY	__field(u32, reg) __field(u32, val)
#define REG_ASSIGN	__entry->reg = reg; __entry->val = val
#define REG_PR_FMT	"%04x=%08x"
#define REG_PR_ARG	__entry->reg, __entry->val

DECLARE_EVENT_CLASS(dev_reg_evtu,
	TP_PROTO(struct mt7601u_dev *dev, u32 reg, u32 val),
	TP_ARGS(dev, reg, val),
	TP_STRUCT__entry(
		DEV_ENTRY
		REG_ENTRY
	),
	TP_fast_assign(
		DEV_ASSIGN;
		REG_ASSIGN;
	),
	TP_printk(
		DEV_PR_FMT REG_PR_FMT,
		DEV_PR_ARG, REG_PR_ARG
	)
);

DEFINE_EVENT(dev_reg_evtu, reg_read,
	TP_PROTO(struct mt7601u_dev *dev, u32 reg, u32 val),
	TP_ARGS(dev, reg, val)
);

DEFINE_EVENT(dev_reg_evtu, reg_write,
	TP_PROTO(struct mt7601u_dev *dev, u32 reg, u32 val),
	TP_ARGS(dev, reg, val)
);

TRACE_EVENT(mt_submit_urb,
	TP_PROTO(struct mt7601u_dev *dev, struct urb *u),
	TP_ARGS(dev, u),
	TP_STRUCT__entry(
		DEV_ENTRY __field(unsigned, pipe) __field(u32, len)
	),
	TP_fast_assign(
		DEV_ASSIGN;
		__entry->pipe = u->pipe;
		__entry->len = u->transfer_buffer_length;
	),
	TP_printk(DEV_PR_FMT "p:%08x len:%u",
		  DEV_PR_ARG, __entry->pipe, __entry->len)
);

#define trace_mt_submit_urb_sync(__dev, __pipe, __len) ({	\
	struct urb u;					\
	u.pipe = __pipe;				\
	u.transfer_buffer_length = __len;		\
	trace_mt_submit_urb(__dev, &u);			\
})

TRACE_EVENT(mt_mcu_msg_send,
	TP_PROTO(struct mt7601u_dev *dev,
		 struct sk_buff *skb, u32 csum, bool resp),
	TP_ARGS(dev, skb, csum, resp),
	TP_STRUCT__entry(
		DEV_ENTRY
		__field(u32, info)
		__field(u32, csum)
		__field(bool, resp)
	),
	TP_fast_assign(
		DEV_ASSIGN;
		__entry->info = *(u32 *)skb->data;
		__entry->csum = csum;
		__entry->resp = resp;
	),
	TP_printk(DEV_PR_FMT "i:%08x c:%08x r:%d",
		  DEV_PR_ARG, __entry->info, __entry->csum, __entry->resp)
);

Annotation

Implementation Notes