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_to_dev(devlink)->bus->name)
25 __string(dev_name, dev_name(devlink_to_dev(devlink)))
26 __string(driver_name, devlink_to_dev(devlink)->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);
35 __assign_str(dev_name);
36 __assign_str(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 /*
50 * Tracepoint for devlink hardware error:
51 */
52 TRACE_EVENT(devlink_hwerr,
53 TP_PROTO(const struct devlink *devlink, int err, const char *msg),
54
55 TP_ARGS(devlink, err, msg),
56
57 TP_STRUCT__entry(
58 __string(bus_name, devlink_to_dev(devlink)->bus->name)
59 __string(dev_name, dev_name(devlink_to_dev(devlink)))
60 __string(driver_name, devlink_to_dev(devlink)->driver->name)
61 __field(int, err)
62 __string(msg, msg)
63 ),
64
65 TP_fast_assign(
66 __assign_str(bus_name);
67 __assign_str(dev_name);
68 __assign_str(driver_name);
69 __entry->err = err;
70 __assign_str(msg);
71 ),
72
73 TP_printk("bus_name=%s dev_name=%s driver_name=%s err=%d %s",
74 __get_str(bus_name), __get_str(dev_name),
75 __get_str(driver_name), __entry->err, __get_str(msg))
76 );
77
78 /*
79 * Tracepoint for devlink health message:
80 */
81 TRACE_EVENT(devlink_health_report,
82 TP_PROTO(const struct devlink *devlink, const char *reporter_name,
83 const char *msg),
84
85 TP_ARGS(devlink, reporter_name, msg),
86
87 TP_STRUCT__entry(
88 __string(bus_name, devlink_to_dev(devlink)->bus->name)
89 __string(dev_name, dev_name(devlink_to_dev(devlink)))
90 __string(driver_name, devlink_to_dev(devlink)->driver->name)
91 __string(reporter_name, reporter_name)
92 __string(msg, msg)
93 ),
94
95 TP_fast_assign(
96 __assign_str(bus_name);
97 __assign_str(dev_name);
98 __assign_str(driver_name);
99 __assign_str(reporter_name);
100 __assign_str(msg);
101 ),
102
103 TP_printk("bus_name=%s dev_name=%s driver_name=%s reporter_name=%s: %s",
104 __get_str(bus_name), __get_str(dev_name),
105 __get_str(driver_name), __get_str(reporter_name),
106 __get_str(msg))
107 );
108
109 /*
110 * Tracepoint for devlink health recover aborted message:
111 */
112 TRACE_EVENT(devlink_health_recover_aborted,
113 TP_PROTO(const struct devlink *devlink, const char *reporter_name,
114 bool health_state, u64 time_since_last_recover),
115
116 TP_ARGS(devlink, reporter_name, health_state, time_since_last_recover),
117
118 TP_STRUCT__entry(
119 __string(bus_name, devlink_to_dev(devlink)->bus->name)
120 __string(dev_name, dev_name(devlink_to_dev(devlink)))
121 __string(driver_name, devlink_to_dev(devlink)->driver->name)
122 __string(reporter_name, reporter_name)
123 __field(bool, health_state)
124 __field(u64, time_since_last_recover)
125 ),
126
127 TP_fast_assign(
128 __assign_str(bus_name);
129 __assign_str(dev_name);
130 __assign_str(driver_name);
131 __assign_str(reporter_name);
132 __entry->health_state = health_state;
133 __entry->time_since_last_recover = time_since_last_recover;
134 ),
135
136 TP_printk("bus_name=%s dev_name=%s driver_name=%s reporter_name=%s: health_state=%d time_since_last_recover=%llu recover aborted",
137 __get_str(bus_name), __get_str(dev_name),
138 __get_str(driver_name), __get_str(reporter_name),
139 __entry->health_state,
140 __entry->time_since_last_recover)
141 );
142
143 /*
144 * Tracepoint for devlink health reporter state update:
145 */
146 TRACE_EVENT(devlink_health_reporter_state_update,
147 TP_PROTO(const struct devlink *devlink, const char *reporter_name,
148 bool new_state),
149
150 TP_ARGS(devlink, reporter_name, new_state),
151
152 TP_STRUCT__entry(
153 __string(bus_name, devlink_to_dev(devlink)->bus->name)
154 __string(dev_name, dev_name(devlink_to_dev(devlink)))
155 __string(driver_name, devlink_to_dev(devlink)->driver->name)
156 __string(reporter_name, reporter_name)
157 __field(u8, new_state)
158 ),
159
160 TP_fast_assign(
161 __assign_str(bus_name);
162 __assign_str(dev_name);
163 __assign_str(driver_name);
164 __assign_str(reporter_name);
165 __entry->new_state = new_state;
166 ),
167
168 TP_printk("bus_name=%s dev_name=%s driver_name=%s reporter_name=%s: new_state=%d",
169 __get_str(bus_name), __get_str(dev_name),
170 __get_str(driver_name), __get_str(reporter_name),
171 __entry->new_state)
172 );
173
174 /*
175 * Tracepoint for devlink packet trap:
176 */
177 TRACE_EVENT(devlink_trap_report,
178 TP_PROTO(const struct devlink *devlink, struct sk_buff *skb,
179 const struct devlink_trap_metadata *metadata),
180
181 TP_ARGS(devlink, skb, metadata),
182
183 TP_STRUCT__entry(
184 __string(bus_name, devlink_to_dev(devlink)->bus->name)
185 __string(dev_name, dev_name(devlink_to_dev(devlink)))
186 __string(driver_name, devlink_to_dev(devlink)->driver->name)
187 __string(trap_name, metadata->trap_name)
188 __string(trap_group_name, metadata->trap_group_name)
189 __array(char, input_dev_name, IFNAMSIZ)
190 ),
191
192 TP_fast_assign(
193 struct net_device *input_dev = metadata->input_dev;
194
195 __assign_str(bus_name);
196 __assign_str(dev_name);
197 __assign_str(driver_name);
198 __assign_str(trap_name);
199 __assign_str(trap_group_name);
200 strscpy(__entry->input_dev_name, input_dev ? input_dev->name : "NULL", IFNAMSIZ);
201 ),
202
203 TP_printk("bus_name=%s dev_name=%s driver_name=%s trap_name=%s "
204 "trap_group_name=%s input_dev_name=%s", __get_str(bus_name),
205 __get_str(dev_name), __get_str(driver_name),
206 __get_str(trap_name), __get_str(trap_group_name),
207 __entry->input_dev_name)
208 );
209
210 #endif /* _TRACE_DEVLINK_H */
211
212 /* This part must be outside protection */
213 #include <trace/define_trace.h>
214
215 #else /* CONFIG_NET_DEVLINK */
216
217 #if !defined(_TRACE_DEVLINK_H)
218 #define _TRACE_DEVLINK_H
219
220 #include <net/devlink.h>
221
222 static inline void trace_devlink_hwmsg(const struct devlink *devlink,
223 bool incoming, unsigned long type,
224 const u8 *buf, size_t len)
225 {
226 }
227
228 static inline void trace_devlink_hwerr(const struct devlink *devlink,
229 int err, const char *msg)
230 {
231 }
232 #endif /* _TRACE_DEVLINK_H */
233
234 #endif
235
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