1/* SPDX-License-Identifier: GPL-2.0 */
 2#if IS_ENABLED(CONFIG_NET_DEVLINK)
 3
 4#undef TRACE_SYSTEM
 5#define TRACE_SYSTEM devlink
 6
 7#if !defined(_TRACE_DEVLINK_H) || defined(TRACE_HEADER_MULTI_READ)
 8#define _TRACE_DEVLINK_H
 9
10#include <linux/device.h>
11#include <net/devlink.h>
12#include <linux/tracepoint.h>
13
14/*
15 * Tracepoint for devlink hardware message:
16 */
17TRACE_EVENT(devlink_hwmsg,
18	TP_PROTO(const struct devlink *devlink, bool incoming,
19		 unsigned long type, const u8 *buf, size_t len),
20
21	TP_ARGS(devlink, incoming, type, buf, len),
22
23	TP_STRUCT__entry(
24		__string(bus_name, devlink->dev->bus->name)
25		__string(dev_name, dev_name(devlink->dev))
26		__string(driver_name, devlink->dev->driver->name)
27		__field(bool, incoming)
28		__field(unsigned long, type)
29		__dynamic_array(u8, buf, len)
30		__field(size_t, len)
31	),
32
33	TP_fast_assign(
34		__assign_str(bus_name, devlink->dev->bus->name);
35		__assign_str(dev_name, dev_name(devlink->dev));
36		__assign_str(driver_name, devlink->dev->driver->name);
37		__entry->incoming = incoming;
38		__entry->type = type;
39		memcpy(__get_dynamic_array(buf), buf, len);
40		__entry->len = len;
41	),
42
43	TP_printk("bus_name=%s dev_name=%s driver_name=%s incoming=%d type=%lu buf=0x[%*phD] len=%zu",
44		  __get_str(bus_name), __get_str(dev_name),
45		  __get_str(driver_name), __entry->incoming, __entry->type,
46		  (int) __entry->len, __get_dynamic_array(buf), __entry->len)
47);
48
49#endif /* _TRACE_DEVLINK_H */
50
51/* This part must be outside protection */
52#include <trace/define_trace.h>
53
54#else /* CONFIG_NET_DEVLINK */
55
56#if !defined(_TRACE_DEVLINK_H)
57#define _TRACE_DEVLINK_H
58
59#include <net/devlink.h>
60
61static inline void trace_devlink_hwmsg(const struct devlink *devlink,
62				       bool incoming, unsigned long type,
63				       const u8 *buf, size_t len)
64{
65}
66
67#endif /* _TRACE_DEVLINK_H */
68
69#endif