1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * RDMA Network Block Driver
4  *
5  * Copyright (c) 2022 1&1 IONOS SE. All rights reserved.
6  */
7 #undef TRACE_SYSTEM
8 #define TRACE_SYSTEM rtrs_clt
9 
10 #if !defined(_TRACE_RTRS_CLT_H) || defined(TRACE_HEADER_MULTI_READ)
11 #define _TRACE_RTRS_CLT_H
12 
13 #include <linux/tracepoint.h>
14 
15 struct rtrs_clt_path;
16 struct rtrs_clt_sess;
17 
18 TRACE_DEFINE_ENUM(RTRS_CLT_CONNECTING);
19 TRACE_DEFINE_ENUM(RTRS_CLT_CONNECTING_ERR);
20 TRACE_DEFINE_ENUM(RTRS_CLT_RECONNECTING);
21 TRACE_DEFINE_ENUM(RTRS_CLT_CONNECTED);
22 TRACE_DEFINE_ENUM(RTRS_CLT_CLOSING);
23 TRACE_DEFINE_ENUM(RTRS_CLT_CLOSED);
24 TRACE_DEFINE_ENUM(RTRS_CLT_DEAD);
25 
26 #define show_rtrs_clt_state(x) \
27 	__print_symbolic(x, \
28 		{ RTRS_CLT_CONNECTING,		"CONNECTING" }, \
29 		{ RTRS_CLT_CONNECTING_ERR,	"CONNECTING_ERR" }, \
30 		{ RTRS_CLT_RECONNECTING,	"RECONNECTING" }, \
31 		{ RTRS_CLT_CONNECTED,		"CONNECTED" }, \
32 		{ RTRS_CLT_CLOSING,		"CLOSING" }, \
33 		{ RTRS_CLT_CLOSED,		"CLOSED" }, \
34 		{ RTRS_CLT_DEAD,		"DEAD" })
35 
36 DECLARE_EVENT_CLASS(rtrs_clt_conn_class,
37 	TP_PROTO(struct rtrs_clt_path *clt_path),
38 
39 	TP_ARGS(clt_path),
40 
41 	TP_STRUCT__entry(
42 		__field(int, state)
43 		__field(int, reconnect_attempts)
44 		__field(int, max_reconnect_attempts)
45 		__field(int, fail_cnt)
46 		__field(int, success_cnt)
47 		__array(char, sessname, NAME_MAX)
48 	),
49 
50 	TP_fast_assign(
51 		struct rtrs_clt_sess *clt = clt_path->clt;
52 
53 		__entry->state = clt_path->state;
54 		__entry->reconnect_attempts = clt_path->reconnect_attempts;
55 		__entry->max_reconnect_attempts = clt->max_reconnect_attempts;
56 		__entry->fail_cnt = clt_path->stats->reconnects.fail_cnt;
57 		__entry->success_cnt = clt_path->stats->reconnects.successful_cnt;
58 		memcpy(__entry->sessname, kobject_name(&clt_path->kobj), NAME_MAX);
59 	),
60 
61 	TP_printk("RTRS-CLT: sess='%s' state=%s attempts='%d' max-attempts='%d' fail='%d' success='%d'",
62 		   __entry->sessname,
63 		   show_rtrs_clt_state(__entry->state),
64 		   __entry->reconnect_attempts,
65 		   __entry->max_reconnect_attempts,
66 		   __entry->fail_cnt,
67 		   __entry->success_cnt
68 	)
69 );
70 
71 #define DEFINE_CLT_CONN_EVENT(name) \
72 DEFINE_EVENT(rtrs_clt_conn_class, rtrs_##name, \
73 	TP_PROTO(struct rtrs_clt_path *clt_path), \
74 	TP_ARGS(clt_path))
75 
76 DEFINE_CLT_CONN_EVENT(clt_reconnect_work);
77 DEFINE_CLT_CONN_EVENT(clt_close_conns);
78 DEFINE_CLT_CONN_EVENT(rdma_error_recovery);
79 
80 #endif /* _TRACE_RTRS_CLT_H */
81 
82 #undef TRACE_INCLUDE_PATH
83 #define TRACE_INCLUDE_PATH .
84 #define TRACE_INCLUDE_FILE rtrs-clt-trace
85 #include <trace/define_trace.h>
86 
87