drivers/net/wireless/ath/ath12k/trace.h

Source file repositories/reference/linux-study-clean/drivers/net/wireless/ath/ath12k/trace.h

File Facts

System
Linux kernel
Corpus path
drivers/net/wireless/ath/ath12k/trace.h
Extension
.h
Size
4793 bytes
Lines
180
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(_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)

#include <linux/tracepoint.h>
#include "core.h"

#define _TRACE_H_

/* create empty functions when tracing is disabled */
#if !defined(CONFIG_ATH12K_TRACING)
#undef TRACE_EVENT
#define TRACE_EVENT(name, proto, ...) \
static inline void trace_ ## name(proto) {}
#endif /* !CONFIG_ATH12K_TRACING || __CHECKER__ */

#undef TRACE_SYSTEM
#define TRACE_SYSTEM ath12k

TRACE_EVENT(ath12k_htt_pktlog,
	    TP_PROTO(struct ath12k *ar, const void *buf, u16 buf_len,
		     u32 pktlog_checksum),

	TP_ARGS(ar, buf, buf_len, pktlog_checksum),

	TP_STRUCT__entry(
		__string(device, dev_name(ar->ab->dev))
		__string(driver, dev_driver_string(ar->ab->dev))
		__field(u16, buf_len)
		__field(u32, pktlog_checksum)
		__dynamic_array(u8, pktlog, buf_len)
	),

	TP_fast_assign(
		__assign_str(device);
		__assign_str(driver);
		__entry->buf_len = buf_len;
		__entry->pktlog_checksum = pktlog_checksum;
		memcpy(__get_dynamic_array(pktlog), buf, buf_len);
	),

	TP_printk(
		"%s %s size %u pktlog_checksum %d",
		__get_str(driver),
		__get_str(device),
		__entry->buf_len,
		__entry->pktlog_checksum
	 )
);

TRACE_EVENT(ath12k_htt_ppdu_stats,
	    TP_PROTO(struct ath12k *ar, const void *data, size_t len),

	TP_ARGS(ar, data, len),

	TP_STRUCT__entry(
		__string(device, dev_name(ar->ab->dev))
		__string(driver, dev_driver_string(ar->ab->dev))
		__field(u16, len)
		__field(u32, info)
		__field(u32, sync_tstmp_lo_us)
		__field(u32, sync_tstmp_hi_us)
		__field(u32, mlo_offset_lo)
		__field(u32, mlo_offset_hi)
		__field(u32, mlo_offset_clks)
		__field(u32, mlo_comp_clks)
		__field(u32, mlo_comp_timer)
		__dynamic_array(u8, ppdu, len)
	),

	TP_fast_assign(
		__assign_str(device);
		__assign_str(driver);
		__entry->len = len;
		__entry->info = ar->pdev->timestamp.info;
		__entry->sync_tstmp_lo_us = ar->pdev->timestamp.sync_timestamp_hi_us;
		__entry->sync_tstmp_hi_us = ar->pdev->timestamp.sync_timestamp_lo_us;
		__entry->mlo_offset_lo = ar->pdev->timestamp.mlo_offset_lo;
		__entry->mlo_offset_hi = ar->pdev->timestamp.mlo_offset_hi;
		__entry->mlo_offset_clks = ar->pdev->timestamp.mlo_offset_clks;
		__entry->mlo_comp_clks = ar->pdev->timestamp.mlo_comp_clks;
		__entry->mlo_comp_timer = ar->pdev->timestamp.mlo_comp_timer;
		memcpy(__get_dynamic_array(ppdu), data, len);
	),

	TP_printk(
		"%s %s ppdu len %d",
		__get_str(driver),
		__get_str(device),
		__entry->len
	 )
);

Annotation

Implementation Notes