xref: /openbmc/linux/include/trace/events/rpcgss.h (revision 34fa67e7)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (c) 2018 Oracle.  All rights reserved.
4  *
5  * Trace point definitions for the "rpcgss" subsystem.
6  */
7 
8 #undef TRACE_SYSTEM
9 #define TRACE_SYSTEM rpcgss
10 
11 #if !defined(_TRACE_RPCGSS_H) || defined(TRACE_HEADER_MULTI_READ)
12 #define _TRACE_RPCGSS_H
13 
14 #include <linux/tracepoint.h>
15 
16 #include <trace/events/sunrpc_base.h>
17 
18 /**
19  ** GSS-API related trace events
20  **/
21 
22 TRACE_DEFINE_ENUM(RPC_GSS_SVC_NONE);
23 TRACE_DEFINE_ENUM(RPC_GSS_SVC_INTEGRITY);
24 TRACE_DEFINE_ENUM(RPC_GSS_SVC_PRIVACY);
25 
26 #define show_gss_service(x)						\
27 	__print_symbolic(x,						\
28 		{ RPC_GSS_SVC_NONE,		"none" },		\
29 		{ RPC_GSS_SVC_INTEGRITY,	"integrity" },		\
30 		{ RPC_GSS_SVC_PRIVACY,		"privacy" })
31 
32 TRACE_DEFINE_ENUM(GSS_S_BAD_MECH);
33 TRACE_DEFINE_ENUM(GSS_S_BAD_NAME);
34 TRACE_DEFINE_ENUM(GSS_S_BAD_NAMETYPE);
35 TRACE_DEFINE_ENUM(GSS_S_BAD_BINDINGS);
36 TRACE_DEFINE_ENUM(GSS_S_BAD_STATUS);
37 TRACE_DEFINE_ENUM(GSS_S_BAD_SIG);
38 TRACE_DEFINE_ENUM(GSS_S_NO_CRED);
39 TRACE_DEFINE_ENUM(GSS_S_NO_CONTEXT);
40 TRACE_DEFINE_ENUM(GSS_S_DEFECTIVE_TOKEN);
41 TRACE_DEFINE_ENUM(GSS_S_DEFECTIVE_CREDENTIAL);
42 TRACE_DEFINE_ENUM(GSS_S_CREDENTIALS_EXPIRED);
43 TRACE_DEFINE_ENUM(GSS_S_CONTEXT_EXPIRED);
44 TRACE_DEFINE_ENUM(GSS_S_FAILURE);
45 TRACE_DEFINE_ENUM(GSS_S_BAD_QOP);
46 TRACE_DEFINE_ENUM(GSS_S_UNAUTHORIZED);
47 TRACE_DEFINE_ENUM(GSS_S_UNAVAILABLE);
48 TRACE_DEFINE_ENUM(GSS_S_DUPLICATE_ELEMENT);
49 TRACE_DEFINE_ENUM(GSS_S_NAME_NOT_MN);
50 TRACE_DEFINE_ENUM(GSS_S_CONTINUE_NEEDED);
51 TRACE_DEFINE_ENUM(GSS_S_DUPLICATE_TOKEN);
52 TRACE_DEFINE_ENUM(GSS_S_OLD_TOKEN);
53 TRACE_DEFINE_ENUM(GSS_S_UNSEQ_TOKEN);
54 TRACE_DEFINE_ENUM(GSS_S_GAP_TOKEN);
55 
56 #define show_gss_status(x)						\
57 	__print_flags(x, "|",						\
58 		{ GSS_S_BAD_MECH, "GSS_S_BAD_MECH" },			\
59 		{ GSS_S_BAD_NAME, "GSS_S_BAD_NAME" },			\
60 		{ GSS_S_BAD_NAMETYPE, "GSS_S_BAD_NAMETYPE" },		\
61 		{ GSS_S_BAD_BINDINGS, "GSS_S_BAD_BINDINGS" },		\
62 		{ GSS_S_BAD_STATUS, "GSS_S_BAD_STATUS" },		\
63 		{ GSS_S_BAD_SIG, "GSS_S_BAD_SIG" },			\
64 		{ GSS_S_NO_CRED, "GSS_S_NO_CRED" },			\
65 		{ GSS_S_NO_CONTEXT, "GSS_S_NO_CONTEXT" },		\
66 		{ GSS_S_DEFECTIVE_TOKEN, "GSS_S_DEFECTIVE_TOKEN" },	\
67 		{ GSS_S_DEFECTIVE_CREDENTIAL, "GSS_S_DEFECTIVE_CREDENTIAL" }, \
68 		{ GSS_S_CREDENTIALS_EXPIRED, "GSS_S_CREDENTIALS_EXPIRED" }, \
69 		{ GSS_S_CONTEXT_EXPIRED, "GSS_S_CONTEXT_EXPIRED" },	\
70 		{ GSS_S_FAILURE, "GSS_S_FAILURE" },			\
71 		{ GSS_S_BAD_QOP, "GSS_S_BAD_QOP" },			\
72 		{ GSS_S_UNAUTHORIZED, "GSS_S_UNAUTHORIZED" },		\
73 		{ GSS_S_UNAVAILABLE, "GSS_S_UNAVAILABLE" },		\
74 		{ GSS_S_DUPLICATE_ELEMENT, "GSS_S_DUPLICATE_ELEMENT" },	\
75 		{ GSS_S_NAME_NOT_MN, "GSS_S_NAME_NOT_MN" },		\
76 		{ GSS_S_CONTINUE_NEEDED, "GSS_S_CONTINUE_NEEDED" },	\
77 		{ GSS_S_DUPLICATE_TOKEN, "GSS_S_DUPLICATE_TOKEN" },	\
78 		{ GSS_S_OLD_TOKEN, "GSS_S_OLD_TOKEN" },			\
79 		{ GSS_S_UNSEQ_TOKEN, "GSS_S_UNSEQ_TOKEN" },		\
80 		{ GSS_S_GAP_TOKEN, "GSS_S_GAP_TOKEN" })
81 
82 
83 DECLARE_EVENT_CLASS(rpcgss_gssapi_event,
84 	TP_PROTO(
85 		const struct rpc_task *task,
86 		u32 maj_stat
87 	),
88 
89 	TP_ARGS(task, maj_stat),
90 
91 	TP_STRUCT__entry(
92 		__field(unsigned int, task_id)
93 		__field(unsigned int, client_id)
94 		__field(u32, maj_stat)
95 
96 	),
97 
98 	TP_fast_assign(
99 		__entry->task_id = task->tk_pid;
100 		__entry->client_id = task->tk_client->cl_clid;
101 		__entry->maj_stat = maj_stat;
102 	),
103 
104 	TP_printk(SUNRPC_TRACE_TASK_SPECIFIER " maj_stat=%s",
105 		__entry->task_id, __entry->client_id,
106 		__entry->maj_stat == 0 ?
107 		"GSS_S_COMPLETE" : show_gss_status(__entry->maj_stat))
108 );
109 
110 #define DEFINE_GSSAPI_EVENT(name)					\
111 	DEFINE_EVENT(rpcgss_gssapi_event, rpcgss_##name,		\
112 			TP_PROTO(					\
113 				const struct rpc_task *task,		\
114 				u32 maj_stat				\
115 			),						\
116 			TP_ARGS(task, maj_stat))
117 
118 TRACE_EVENT(rpcgss_import_ctx,
119 	TP_PROTO(
120 		int status
121 	),
122 
123 	TP_ARGS(status),
124 
125 	TP_STRUCT__entry(
126 		__field(int, status)
127 	),
128 
129 	TP_fast_assign(
130 		__entry->status = status;
131 	),
132 
133 	TP_printk("status=%d", __entry->status)
134 );
135 
136 DEFINE_GSSAPI_EVENT(get_mic);
137 DEFINE_GSSAPI_EVENT(verify_mic);
138 DEFINE_GSSAPI_EVENT(wrap);
139 DEFINE_GSSAPI_EVENT(unwrap);
140 
141 DECLARE_EVENT_CLASS(rpcgss_ctx_class,
142 	TP_PROTO(
143 		const struct gss_cred *gc
144 	),
145 
146 	TP_ARGS(gc),
147 
148 	TP_STRUCT__entry(
149 		__field(const void *, cred)
150 		__field(unsigned long, service)
151 		__string(principal, gc->gc_principal)
152 	),
153 
154 	TP_fast_assign(
155 		__entry->cred = gc;
156 		__entry->service = gc->gc_service;
157 		__assign_str(principal, gc->gc_principal);
158 	),
159 
160 	TP_printk("cred=%p service=%s principal='%s'",
161 		__entry->cred, show_gss_service(__entry->service),
162 		__get_str(principal))
163 );
164 
165 #define DEFINE_CTX_EVENT(name)						\
166 	DEFINE_EVENT(rpcgss_ctx_class, rpcgss_ctx_##name,		\
167 			TP_PROTO(					\
168 				const struct gss_cred *gc		\
169 			),						\
170 			TP_ARGS(gc))
171 
172 DEFINE_CTX_EVENT(init);
173 DEFINE_CTX_EVENT(destroy);
174 
175 DECLARE_EVENT_CLASS(rpcgss_svc_gssapi_class,
176 	TP_PROTO(
177 		const struct svc_rqst *rqstp,
178 		u32 maj_stat
179 	),
180 
181 	TP_ARGS(rqstp, maj_stat),
182 
183 	TP_STRUCT__entry(
184 		__field(u32, xid)
185 		__field(u32, maj_stat)
186 		__string(addr, rqstp->rq_xprt->xpt_remotebuf)
187 	),
188 
189 	TP_fast_assign(
190 		__entry->xid = __be32_to_cpu(rqstp->rq_xid);
191 		__entry->maj_stat = maj_stat;
192 		__assign_str(addr, rqstp->rq_xprt->xpt_remotebuf);
193 	),
194 
195 	TP_printk("addr=%s xid=0x%08x maj_stat=%s",
196 		__get_str(addr), __entry->xid,
197 		__entry->maj_stat == 0 ?
198 		"GSS_S_COMPLETE" : show_gss_status(__entry->maj_stat))
199 );
200 
201 #define DEFINE_SVC_GSSAPI_EVENT(name)					\
202 	DEFINE_EVENT(rpcgss_svc_gssapi_class, rpcgss_svc_##name,	\
203 			TP_PROTO(					\
204 				const struct svc_rqst *rqstp,		\
205 				u32 maj_stat				\
206 			),						\
207 			TP_ARGS(rqstp, maj_stat))
208 
209 DEFINE_SVC_GSSAPI_EVENT(unwrap);
210 DEFINE_SVC_GSSAPI_EVENT(mic);
211 
212 TRACE_EVENT(rpcgss_svc_unwrap_failed,
213 	TP_PROTO(
214 		const struct svc_rqst *rqstp
215 	),
216 
217 	TP_ARGS(rqstp),
218 
219 	TP_STRUCT__entry(
220 		__field(u32, xid)
221 		__string(addr, rqstp->rq_xprt->xpt_remotebuf)
222 	),
223 
224 	TP_fast_assign(
225 		__entry->xid = be32_to_cpu(rqstp->rq_xid);
226 		__assign_str(addr, rqstp->rq_xprt->xpt_remotebuf);
227 	),
228 
229 	TP_printk("addr=%s xid=0x%08x", __get_str(addr), __entry->xid)
230 );
231 
232 TRACE_EVENT(rpcgss_svc_seqno_bad,
233 	TP_PROTO(
234 		const struct svc_rqst *rqstp,
235 		u32 expected,
236 		u32 received
237 	),
238 
239 	TP_ARGS(rqstp, expected, received),
240 
241 	TP_STRUCT__entry(
242 		__field(u32, expected)
243 		__field(u32, received)
244 		__field(u32, xid)
245 		__string(addr, rqstp->rq_xprt->xpt_remotebuf)
246 	),
247 
248 	TP_fast_assign(
249 		__entry->expected = expected;
250 		__entry->received = received;
251 		__entry->xid = __be32_to_cpu(rqstp->rq_xid);
252 		__assign_str(addr, rqstp->rq_xprt->xpt_remotebuf);
253 	),
254 
255 	TP_printk("addr=%s xid=0x%08x expected seqno %u, received seqno %u",
256 		__get_str(addr), __entry->xid,
257 		__entry->expected, __entry->received)
258 );
259 
260 TRACE_EVENT(rpcgss_svc_accept_upcall,
261 	TP_PROTO(
262 		const struct svc_rqst *rqstp,
263 		u32 major_status,
264 		u32 minor_status
265 	),
266 
267 	TP_ARGS(rqstp, major_status, minor_status),
268 
269 	TP_STRUCT__entry(
270 		__field(u32, minor_status)
271 		__field(unsigned long, major_status)
272 		__field(u32, xid)
273 		__string(addr, rqstp->rq_xprt->xpt_remotebuf)
274 	),
275 
276 	TP_fast_assign(
277 		__entry->minor_status = minor_status;
278 		__entry->major_status = major_status;
279 		__entry->xid = be32_to_cpu(rqstp->rq_xid);
280 		__assign_str(addr, rqstp->rq_xprt->xpt_remotebuf);
281 	),
282 
283 	TP_printk("addr=%s xid=0x%08x major_status=%s (0x%08lx) minor_status=%u",
284 		__get_str(addr), __entry->xid,
285 		(__entry->major_status == 0) ? "GSS_S_COMPLETE" :
286 			show_gss_status(__entry->major_status),
287 		__entry->major_status, __entry->minor_status
288 	)
289 );
290 
291 TRACE_EVENT(rpcgss_svc_authenticate,
292 	TP_PROTO(
293 		const struct svc_rqst *rqstp,
294 		const struct rpc_gss_wire_cred *gc
295 	),
296 
297 	TP_ARGS(rqstp, gc),
298 
299 	TP_STRUCT__entry(
300 		__field(u32, seqno)
301 		__field(u32, xid)
302 		__string(addr, rqstp->rq_xprt->xpt_remotebuf)
303 	),
304 
305 	TP_fast_assign(
306 		__entry->xid = be32_to_cpu(rqstp->rq_xid);
307 		__entry->seqno = gc->gc_seq;
308 		__assign_str(addr, rqstp->rq_xprt->xpt_remotebuf);
309 	),
310 
311 	TP_printk("addr=%s xid=0x%08x seqno=%u", __get_str(addr),
312 		__entry->xid, __entry->seqno)
313 );
314 
315 
316 /**
317  ** GSS auth unwrap failures
318  **/
319 
320 TRACE_EVENT(rpcgss_unwrap_failed,
321 	TP_PROTO(
322 		const struct rpc_task *task
323 	),
324 
325 	TP_ARGS(task),
326 
327 	TP_STRUCT__entry(
328 		__field(unsigned int, task_id)
329 		__field(unsigned int, client_id)
330 	),
331 
332 	TP_fast_assign(
333 		__entry->task_id = task->tk_pid;
334 		__entry->client_id = task->tk_client->cl_clid;
335 	),
336 
337 	TP_printk(SUNRPC_TRACE_TASK_SPECIFIER,
338 		__entry->task_id, __entry->client_id)
339 );
340 
341 TRACE_EVENT(rpcgss_bad_seqno,
342 	TP_PROTO(
343 		const struct rpc_task *task,
344 		u32 expected,
345 		u32 received
346 	),
347 
348 	TP_ARGS(task, expected, received),
349 
350 	TP_STRUCT__entry(
351 		__field(unsigned int, task_id)
352 		__field(unsigned int, client_id)
353 		__field(u32, expected)
354 		__field(u32, received)
355 	),
356 
357 	TP_fast_assign(
358 		__entry->task_id = task->tk_pid;
359 		__entry->client_id = task->tk_client->cl_clid;
360 		__entry->expected = expected;
361 		__entry->received = received;
362 	),
363 
364 	TP_printk(SUNRPC_TRACE_TASK_SPECIFIER
365 		  " expected seqno %u, received seqno %u",
366 		__entry->task_id, __entry->client_id,
367 		__entry->expected, __entry->received)
368 );
369 
370 TRACE_EVENT(rpcgss_seqno,
371 	TP_PROTO(
372 		const struct rpc_task *task
373 	),
374 
375 	TP_ARGS(task),
376 
377 	TP_STRUCT__entry(
378 		__field(unsigned int, task_id)
379 		__field(unsigned int, client_id)
380 		__field(u32, xid)
381 		__field(u32, seqno)
382 	),
383 
384 	TP_fast_assign(
385 		const struct rpc_rqst *rqst = task->tk_rqstp;
386 
387 		__entry->task_id = task->tk_pid;
388 		__entry->client_id = task->tk_client->cl_clid;
389 		__entry->xid = be32_to_cpu(rqst->rq_xid);
390 		__entry->seqno = rqst->rq_seqno;
391 	),
392 
393 	TP_printk(SUNRPC_TRACE_TASK_SPECIFIER " xid=0x%08x seqno=%u",
394 		__entry->task_id, __entry->client_id,
395 		__entry->xid, __entry->seqno)
396 );
397 
398 TRACE_EVENT(rpcgss_need_reencode,
399 	TP_PROTO(
400 		const struct rpc_task *task,
401 		u32 seq_xmit,
402 		bool ret
403 	),
404 
405 	TP_ARGS(task, seq_xmit, ret),
406 
407 	TP_STRUCT__entry(
408 		__field(unsigned int, task_id)
409 		__field(unsigned int, client_id)
410 		__field(u32, xid)
411 		__field(u32, seq_xmit)
412 		__field(u32, seqno)
413 		__field(bool, ret)
414 	),
415 
416 	TP_fast_assign(
417 		__entry->task_id = task->tk_pid;
418 		__entry->client_id = task->tk_client->cl_clid;
419 		__entry->xid = be32_to_cpu(task->tk_rqstp->rq_xid);
420 		__entry->seq_xmit = seq_xmit;
421 		__entry->seqno = task->tk_rqstp->rq_seqno;
422 		__entry->ret = ret;
423 	),
424 
425 	TP_printk(SUNRPC_TRACE_TASK_SPECIFIER
426 		  " xid=0x%08x rq_seqno=%u seq_xmit=%u reencode %sneeded",
427 		__entry->task_id, __entry->client_id,
428 		__entry->xid, __entry->seqno, __entry->seq_xmit,
429 		__entry->ret ? "" : "un")
430 );
431 
432 TRACE_EVENT(rpcgss_update_slack,
433 	TP_PROTO(
434 		const struct rpc_task *task,
435 		const struct rpc_auth *auth
436 	),
437 
438 	TP_ARGS(task, auth),
439 
440 	TP_STRUCT__entry(
441 		__field(unsigned int, task_id)
442 		__field(unsigned int, client_id)
443 		__field(u32, xid)
444 		__field(const void *, auth)
445 		__field(unsigned int, rslack)
446 		__field(unsigned int, ralign)
447 		__field(unsigned int, verfsize)
448 	),
449 
450 	TP_fast_assign(
451 		__entry->task_id = task->tk_pid;
452 		__entry->client_id = task->tk_client->cl_clid;
453 		__entry->xid = be32_to_cpu(task->tk_rqstp->rq_xid);
454 		__entry->auth = auth;
455 		__entry->rslack = auth->au_rslack;
456 		__entry->ralign = auth->au_ralign;
457 		__entry->verfsize = auth->au_verfsize;
458 	),
459 
460 	TP_printk(SUNRPC_TRACE_TASK_SPECIFIER
461 		  " xid=0x%08x auth=%p rslack=%u ralign=%u verfsize=%u\n",
462 		__entry->task_id, __entry->client_id, __entry->xid,
463 		__entry->auth, __entry->rslack, __entry->ralign,
464 		__entry->verfsize)
465 );
466 
467 DECLARE_EVENT_CLASS(rpcgss_svc_seqno_class,
468 	TP_PROTO(
469 		const struct svc_rqst *rqstp,
470 		u32 seqno
471 	),
472 
473 	TP_ARGS(rqstp, seqno),
474 
475 	TP_STRUCT__entry(
476 		__field(u32, xid)
477 		__field(u32, seqno)
478 	),
479 
480 	TP_fast_assign(
481 		__entry->xid = be32_to_cpu(rqstp->rq_xid);
482 		__entry->seqno = seqno;
483 	),
484 
485 	TP_printk("xid=0x%08x seqno=%u",
486 		__entry->xid, __entry->seqno)
487 );
488 
489 #define DEFINE_SVC_SEQNO_EVENT(name)					\
490 	DEFINE_EVENT(rpcgss_svc_seqno_class, rpcgss_svc_seqno_##name,	\
491 			TP_PROTO(					\
492 				const struct svc_rqst *rqstp,		\
493 				u32 seqno				\
494 			),						\
495 			TP_ARGS(rqstp, seqno))
496 
497 DEFINE_SVC_SEQNO_EVENT(large);
498 DEFINE_SVC_SEQNO_EVENT(seen);
499 
500 TRACE_EVENT(rpcgss_svc_seqno_low,
501 	TP_PROTO(
502 		const struct svc_rqst *rqstp,
503 		u32 seqno,
504 		u32 min,
505 		u32 max
506 	),
507 
508 	TP_ARGS(rqstp, seqno, min, max),
509 
510 	TP_STRUCT__entry(
511 		__field(u32, xid)
512 		__field(u32, seqno)
513 		__field(u32, min)
514 		__field(u32, max)
515 	),
516 
517 	TP_fast_assign(
518 		__entry->xid = be32_to_cpu(rqstp->rq_xid);
519 		__entry->seqno = seqno;
520 		__entry->min = min;
521 		__entry->max = max;
522 	),
523 
524 	TP_printk("xid=0x%08x seqno=%u window=[%u..%u]",
525 		__entry->xid, __entry->seqno, __entry->min, __entry->max)
526 );
527 
528 /**
529  ** gssd upcall related trace events
530  **/
531 
532 TRACE_EVENT(rpcgss_upcall_msg,
533 	TP_PROTO(
534 		const char *buf
535 	),
536 
537 	TP_ARGS(buf),
538 
539 	TP_STRUCT__entry(
540 		__string(msg, buf)
541 	),
542 
543 	TP_fast_assign(
544 		__assign_str(msg, buf);
545 	),
546 
547 	TP_printk("msg='%s'", __get_str(msg))
548 );
549 
550 TRACE_EVENT(rpcgss_upcall_result,
551 	TP_PROTO(
552 		u32 uid,
553 		int result
554 	),
555 
556 	TP_ARGS(uid, result),
557 
558 	TP_STRUCT__entry(
559 		__field(u32, uid)
560 		__field(int, result)
561 
562 	),
563 
564 	TP_fast_assign(
565 		__entry->uid = uid;
566 		__entry->result = result;
567 	),
568 
569 	TP_printk("for uid %u, result=%d", __entry->uid, __entry->result)
570 );
571 
572 TRACE_EVENT(rpcgss_context,
573 	TP_PROTO(
574 		u32 window_size,
575 		unsigned long expiry,
576 		unsigned long now,
577 		unsigned int timeout,
578 		unsigned int len,
579 		const u8 *data
580 	),
581 
582 	TP_ARGS(window_size, expiry, now, timeout, len, data),
583 
584 	TP_STRUCT__entry(
585 		__field(unsigned long, expiry)
586 		__field(unsigned long, now)
587 		__field(unsigned int, timeout)
588 		__field(u32, window_size)
589 		__field(int, len)
590 		__string(acceptor, data)
591 	),
592 
593 	TP_fast_assign(
594 		__entry->expiry = expiry;
595 		__entry->now = now;
596 		__entry->timeout = timeout;
597 		__entry->window_size = window_size;
598 		__entry->len = len;
599 		strncpy(__get_str(acceptor), data, len);
600 	),
601 
602 	TP_printk("win_size=%u expiry=%lu now=%lu timeout=%u acceptor=%.*s",
603 		__entry->window_size, __entry->expiry, __entry->now,
604 		__entry->timeout, __entry->len, __get_str(acceptor))
605 );
606 
607 
608 /**
609  ** Miscellaneous events
610  */
611 
612 TRACE_DEFINE_ENUM(RPC_AUTH_GSS_KRB5);
613 TRACE_DEFINE_ENUM(RPC_AUTH_GSS_KRB5I);
614 TRACE_DEFINE_ENUM(RPC_AUTH_GSS_KRB5P);
615 
616 #define show_pseudoflavor(x)						\
617 	__print_symbolic(x,						\
618 		{ RPC_AUTH_GSS_KRB5, "RPC_AUTH_GSS_KRB5" },		\
619 		{ RPC_AUTH_GSS_KRB5I, "RPC_AUTH_GSS_KRB5I" },		\
620 		{ RPC_AUTH_GSS_KRB5P, "RPC_AUTH_GSS_KRB5P" })
621 
622 
623 TRACE_EVENT(rpcgss_createauth,
624 	TP_PROTO(
625 		unsigned int flavor,
626 		int error
627 	),
628 
629 	TP_ARGS(flavor, error),
630 
631 	TP_STRUCT__entry(
632 		__field(unsigned int, flavor)
633 		__field(int, error)
634 
635 	),
636 
637 	TP_fast_assign(
638 		__entry->flavor = flavor;
639 		__entry->error = error;
640 	),
641 
642 	TP_printk("flavor=%s error=%d",
643 		show_pseudoflavor(__entry->flavor), __entry->error)
644 );
645 
646 TRACE_EVENT(rpcgss_oid_to_mech,
647 	TP_PROTO(
648 		const char *oid
649 	),
650 
651 	TP_ARGS(oid),
652 
653 	TP_STRUCT__entry(
654 		__string(oid, oid)
655 	),
656 
657 	TP_fast_assign(
658 		__assign_str(oid, oid);
659 	),
660 
661 	TP_printk("mech for oid %s was not found", __get_str(oid))
662 );
663 
664 #endif	/* _TRACE_RPCGSS_H */
665 
666 #include <trace/define_trace.h>
667