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 */
17 TRACE_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
trace_devlink_hwmsg(const struct devlink * devlink,bool incoming,unsigned long type,const u8 * buf,size_t len)61 static 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
70