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hc
2024-05-10 093a6c67005148ae32a5c9e4553491b9f5c2457b 
 kernel/include/trace/events/xdp.h
....@@ -22,7 +22,7 @@
2222 #define __XDP_ACT_SYM_FN(x)	\
2323 	{ XDP_##x, #x },
2424 #define __XDP_ACT_SYM_TAB	\
25
-	__XDP_ACT_MAP(__XDP_ACT_SYM_FN) { -1, 0 }
25
+	__XDP_ACT_MAP(__XDP_ACT_SYM_FN) { -1, NULL }
2626 __XDP_ACT_MAP(__XDP_ACT_TP_FN)
2727 
2828 TRACE_EVENT(xdp_exception,
....@@ -50,14 +50,55 @@
5050 		  __entry->ifindex)
5151 );
5252 
53
+TRACE_EVENT(xdp_bulk_tx,
54
+
55
+	TP_PROTO(const struct net_device *dev,
56
+		 int sent, int drops, int err),
57
+
58
+	TP_ARGS(dev, sent, drops, err),
59
+
60
+	TP_STRUCT__entry(
61
+		__field(int, ifindex)
62
+		__field(u32, act)
63
+		__field(int, drops)
64
+		__field(int, sent)
65
+		__field(int, err)
66
+	),
67
+
68
+	TP_fast_assign(
69
+		__entry->ifindex	= dev->ifindex;
70
+		__entry->act		= XDP_TX;
71
+		__entry->drops		= drops;
72
+		__entry->sent		= sent;
73
+		__entry->err		= err;
74
+	),
75
+
76
+	TP_printk("ifindex=%d action=%s sent=%d drops=%d err=%d",
77
+		  __entry->ifindex,
78
+		  __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
79
+		  __entry->sent, __entry->drops, __entry->err)
80
+);
81
+
82
+#ifndef __DEVMAP_OBJ_TYPE
83
+#define __DEVMAP_OBJ_TYPE
84
+struct _bpf_dtab_netdev {
85
+	struct net_device *dev;
86
+};
87
+#endif /* __DEVMAP_OBJ_TYPE */
88
+
89
+#define devmap_ifindex(tgt, map)				\
90
+	(((map->map_type == BPF_MAP_TYPE_DEVMAP ||	\
91
+		  map->map_type == BPF_MAP_TYPE_DEVMAP_HASH)) ? \
92
+	  ((struct _bpf_dtab_netdev *)tgt)->dev->ifindex : 0)
93
+
5394 DECLARE_EVENT_CLASS(xdp_redirect_template,
5495 
5596 	TP_PROTO(const struct net_device *dev,
5697 		 const struct bpf_prog *xdp,
57
-		 int to_ifindex, int err,
58
-		 const struct bpf_map *map, u32 map_index),
98
+		 const void *tgt, int err,
99
+		 const struct bpf_map *map, u32 index),
59100 
60
-	TP_ARGS(dev, xdp, to_ifindex, err, map, map_index),
101
+	TP_ARGS(dev, xdp, tgt, err, map, index),
61102 
62103 	TP_STRUCT__entry(
63104 		__field(int, prog_id)
....@@ -74,96 +115,71 @@
74115 		__entry->act		= XDP_REDIRECT;
75116 		__entry->ifindex	= dev->ifindex;
76117 		__entry->err		= err;
77
-		__entry->to_ifindex	= to_ifindex;
118
+		__entry->to_ifindex	= map ? devmap_ifindex(tgt, map) :
119
+						index;
78120 		__entry->map_id		= map ? map->id : 0;
79
-		__entry->map_index	= map_index;
121
+		__entry->map_index	= map ? index : 0;
80122 	),
81123 
82
-	TP_printk("prog_id=%d action=%s ifindex=%d to_ifindex=%d err=%d",
124
+	TP_printk("prog_id=%d action=%s ifindex=%d to_ifindex=%d err=%d"
125
+		  " map_id=%d map_index=%d",
83126 		  __entry->prog_id,
84127 		  __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
85128 		  __entry->ifindex, __entry->to_ifindex,
86
-		  __entry->err)
129
+		  __entry->err, __entry->map_id, __entry->map_index)
87130 );
88131 
89132 DEFINE_EVENT(xdp_redirect_template, xdp_redirect,
90133 	TP_PROTO(const struct net_device *dev,
91134 		 const struct bpf_prog *xdp,
92
-		 int to_ifindex, int err,
93
-		 const struct bpf_map *map, u32 map_index),
94
-	TP_ARGS(dev, xdp, to_ifindex, err, map, map_index)
135
+		 const void *tgt, int err,
136
+		 const struct bpf_map *map, u32 index),
137
+	TP_ARGS(dev, xdp, tgt, err, map, index)
95138 );
96139 
97140 DEFINE_EVENT(xdp_redirect_template, xdp_redirect_err,
98141 	TP_PROTO(const struct net_device *dev,
99142 		 const struct bpf_prog *xdp,
100
-		 int to_ifindex, int err,
101
-		 const struct bpf_map *map, u32 map_index),
102
-	TP_ARGS(dev, xdp, to_ifindex, err, map, map_index)
143
+		 const void *tgt, int err,
144
+		 const struct bpf_map *map, u32 index),
145
+	TP_ARGS(dev, xdp, tgt, err, map, index)
103146 );
104147 
105148 #define _trace_xdp_redirect(dev, xdp, to)		\
106
-	 trace_xdp_redirect(dev, xdp, to, 0, NULL, 0);
149
+	 trace_xdp_redirect(dev, xdp, NULL, 0, NULL, to);
107150 
108151 #define _trace_xdp_redirect_err(dev, xdp, to, err)	\
109
-	 trace_xdp_redirect_err(dev, xdp, to, err, NULL, 0);
152
+	 trace_xdp_redirect_err(dev, xdp, NULL, err, NULL, to);
110153 
111
-DEFINE_EVENT_PRINT(xdp_redirect_template, xdp_redirect_map,
154
+#define _trace_xdp_redirect_map(dev, xdp, to, map, index)		\
155
+	 trace_xdp_redirect(dev, xdp, to, 0, map, index);
156
+
157
+#define _trace_xdp_redirect_map_err(dev, xdp, to, map, index, err)	\
158
+	 trace_xdp_redirect_err(dev, xdp, to, err, map, index);
159
+
160
+/* not used anymore, but kept around so as not to break old programs */
161
+DEFINE_EVENT(xdp_redirect_template, xdp_redirect_map,
112162 	TP_PROTO(const struct net_device *dev,
113163 		 const struct bpf_prog *xdp,
114
-		 int to_ifindex, int err,
115
-		 const struct bpf_map *map, u32 map_index),
116
-	TP_ARGS(dev, xdp, to_ifindex, err, map, map_index),
117
-	TP_printk("prog_id=%d action=%s ifindex=%d to_ifindex=%d err=%d"
118
-		  " map_id=%d map_index=%d",
119
-		  __entry->prog_id,
120
-		  __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
121
-		  __entry->ifindex, __entry->to_ifindex,
122
-		  __entry->err,
123
-		  __entry->map_id, __entry->map_index)
164
+		 const void *tgt, int err,
165
+		 const struct bpf_map *map, u32 index),
166
+	TP_ARGS(dev, xdp, tgt, err, map, index)
124167 );
125168 
126
-DEFINE_EVENT_PRINT(xdp_redirect_template, xdp_redirect_map_err,
169
+DEFINE_EVENT(xdp_redirect_template, xdp_redirect_map_err,
127170 	TP_PROTO(const struct net_device *dev,
128171 		 const struct bpf_prog *xdp,
129
-		 int to_ifindex, int err,
130
-		 const struct bpf_map *map, u32 map_index),
131
-	TP_ARGS(dev, xdp, to_ifindex, err, map, map_index),
132
-	TP_printk("prog_id=%d action=%s ifindex=%d to_ifindex=%d err=%d"
133
-		  " map_id=%d map_index=%d",
134
-		  __entry->prog_id,
135
-		  __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
136
-		  __entry->ifindex, __entry->to_ifindex,
137
-		  __entry->err,
138
-		  __entry->map_id, __entry->map_index)
172
+		 const void *tgt, int err,
173
+		 const struct bpf_map *map, u32 index),
174
+	TP_ARGS(dev, xdp, tgt, err, map, index)
139175 );
140
-
141
-#ifndef __DEVMAP_OBJ_TYPE
142
-#define __DEVMAP_OBJ_TYPE
143
-struct _bpf_dtab_netdev {
144
-	struct net_device *dev;
145
-};
146
-#endif /* __DEVMAP_OBJ_TYPE */
147
-
148
-#define devmap_ifindex(fwd, map)				\
149
-	(!fwd ? 0 :						\
150
-	 ((map->map_type == BPF_MAP_TYPE_DEVMAP) ?		\
151
-	  ((struct _bpf_dtab_netdev *)fwd)->dev->ifindex : 0))
152
-
153
-#define _trace_xdp_redirect_map(dev, xdp, fwd, map, idx)		\
154
-	 trace_xdp_redirect_map(dev, xdp, devmap_ifindex(fwd, map),	\
155
-				0, map, idx)
156
-
157
-#define _trace_xdp_redirect_map_err(dev, xdp, fwd, map, idx, err)	\
158
-	 trace_xdp_redirect_map_err(dev, xdp, devmap_ifindex(fwd, map),	\
159
-				    err, map, idx)
160176 
161177 TRACE_EVENT(xdp_cpumap_kthread,
162178 
163179 	TP_PROTO(int map_id, unsigned int processed,  unsigned int drops,
164
-		 int sched),
180
+		 int sched, struct xdp_cpumap_stats *xdp_stats),
165181 
166
-	TP_ARGS(map_id, processed, drops, sched),
182
+	TP_ARGS(map_id, processed, drops, sched, xdp_stats),
167183 
168184 	TP_STRUCT__entry(
169185 		__field(int, map_id)
....@@ -172,6 +188,9 @@
172188 		__field(unsigned int, drops)
173189 		__field(unsigned int, processed)
174190 		__field(int, sched)
191
+		__field(unsigned int, xdp_pass)
192
+		__field(unsigned int, xdp_drop)
193
+		__field(unsigned int, xdp_redirect)
175194 	),
176195 
177196 	TP_fast_assign(
....@@ -181,16 +200,21 @@
181200 		__entry->drops		= drops;
182201 		__entry->processed	= processed;
183202 		__entry->sched	= sched;
203
+		__entry->xdp_pass	= xdp_stats->pass;
204
+		__entry->xdp_drop	= xdp_stats->drop;
205
+		__entry->xdp_redirect	= xdp_stats->redirect;
184206 	),
185207 
186208 	TP_printk("kthread"
187209 		  " cpu=%d map_id=%d action=%s"
188210 		  " processed=%u drops=%u"
189
-		  " sched=%d",
211
+		  " sched=%d"
212
+		  " xdp_pass=%u xdp_drop=%u xdp_redirect=%u",
190213 		  __entry->cpu, __entry->map_id,
191214 		  __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
192215 		  __entry->processed, __entry->drops,
193
-		  __entry->sched)
216
+		  __entry->sched,
217
+		  __entry->xdp_pass, __entry->xdp_drop, __entry->xdp_redirect)
194218 );
195219 
196220 TRACE_EVENT(xdp_cpumap_enqueue,
....@@ -230,43 +254,142 @@
230254 
231255 TRACE_EVENT(xdp_devmap_xmit,
232256 
233
-	TP_PROTO(const struct bpf_map *map, u32 map_index,
234
-		 int sent, int drops,
235
-		 const struct net_device *from_dev,
236
-		 const struct net_device *to_dev, int err),
257
+	TP_PROTO(const struct net_device *from_dev,
258
+		 const struct net_device *to_dev,
259
+		 int sent, int drops, int err),
237260 
238
-	TP_ARGS(map, map_index, sent, drops, from_dev, to_dev, err),
261
+	TP_ARGS(from_dev, to_dev, sent, drops, err),
239262 
240263 	TP_STRUCT__entry(
241
-		__field(int, map_id)
264
+		__field(int, from_ifindex)
242265 		__field(u32, act)
243
-		__field(u32, map_index)
266
+		__field(int, to_ifindex)
244267 		__field(int, drops)
245268 		__field(int, sent)
246
-		__field(int, from_ifindex)
247
-		__field(int, to_ifindex)
248269 		__field(int, err)
249270 	),
250271 
251272 	TP_fast_assign(
252
-		__entry->map_id		= map->id;
273
+		__entry->from_ifindex	= from_dev->ifindex;
253274 		__entry->act		= XDP_REDIRECT;
254
-		__entry->map_index	= map_index;
275
+		__entry->to_ifindex	= to_dev->ifindex;
255276 		__entry->drops		= drops;
256277 		__entry->sent		= sent;
257
-		__entry->from_ifindex	= from_dev->ifindex;
258
-		__entry->to_ifindex	= to_dev->ifindex;
259278 		__entry->err		= err;
260279 	),
261280 
262281 	TP_printk("ndo_xdp_xmit"
263
-		  " map_id=%d map_index=%d action=%s"
282
+		  " from_ifindex=%d to_ifindex=%d action=%s"
264283 		  " sent=%d drops=%d"
265
-		  " from_ifindex=%d to_ifindex=%d err=%d",
266
-		  __entry->map_id, __entry->map_index,
284
+		  " err=%d",
285
+		  __entry->from_ifindex, __entry->to_ifindex,
267286 		  __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
268287 		  __entry->sent, __entry->drops,
269
-		  __entry->from_ifindex, __entry->to_ifindex, __entry->err)
288
+		  __entry->err)
289
+);
290
+
291
+/* Expect users already include <net/xdp.h>, but not xdp_priv.h */
292
+#include <net/xdp_priv.h>
293
+
294
+#define __MEM_TYPE_MAP(FN)	\
295
+	FN(PAGE_SHARED)		\
296
+	FN(PAGE_ORDER0)		\
297
+	FN(PAGE_POOL)		\
298
+	FN(XSK_BUFF_POOL)
299
+
300
+#define __MEM_TYPE_TP_FN(x)	\
301
+	TRACE_DEFINE_ENUM(MEM_TYPE_##x);
302
+#define __MEM_TYPE_SYM_FN(x)	\
303
+	{ MEM_TYPE_##x, #x },
304
+#define __MEM_TYPE_SYM_TAB	\
305
+	__MEM_TYPE_MAP(__MEM_TYPE_SYM_FN) { -1, 0 }
306
+__MEM_TYPE_MAP(__MEM_TYPE_TP_FN)
307
+
308
+TRACE_EVENT(mem_disconnect,
309
+
310
+	TP_PROTO(const struct xdp_mem_allocator *xa),
311
+
312
+	TP_ARGS(xa),
313
+
314
+	TP_STRUCT__entry(
315
+		__field(const struct xdp_mem_allocator *,	xa)
316
+		__field(u32,		mem_id)
317
+		__field(u32,		mem_type)
318
+		__field(const void *,	allocator)
319
+	),
320
+
321
+	TP_fast_assign(
322
+		__entry->xa		= xa;
323
+		__entry->mem_id		= xa->mem.id;
324
+		__entry->mem_type	= xa->mem.type;
325
+		__entry->allocator	= xa->allocator;
326
+	),
327
+
328
+	TP_printk("mem_id=%d mem_type=%s allocator=%p",
329
+		  __entry->mem_id,
330
+		  __print_symbolic(__entry->mem_type, __MEM_TYPE_SYM_TAB),
331
+		  __entry->allocator
332
+	)
333
+);
334
+
335
+TRACE_EVENT(mem_connect,
336
+
337
+	TP_PROTO(const struct xdp_mem_allocator *xa,
338
+		 const struct xdp_rxq_info *rxq),
339
+
340
+	TP_ARGS(xa, rxq),
341
+
342
+	TP_STRUCT__entry(
343
+		__field(const struct xdp_mem_allocator *,	xa)
344
+		__field(u32,		mem_id)
345
+		__field(u32,		mem_type)
346
+		__field(const void *,	allocator)
347
+		__field(const struct xdp_rxq_info *,		rxq)
348
+		__field(int,		ifindex)
349
+	),
350
+
351
+	TP_fast_assign(
352
+		__entry->xa		= xa;
353
+		__entry->mem_id		= xa->mem.id;
354
+		__entry->mem_type	= xa->mem.type;
355
+		__entry->allocator	= xa->allocator;
356
+		__entry->rxq		= rxq;
357
+		__entry->ifindex	= rxq->dev->ifindex;
358
+	),
359
+
360
+	TP_printk("mem_id=%d mem_type=%s allocator=%p"
361
+		  " ifindex=%d",
362
+		  __entry->mem_id,
363
+		  __print_symbolic(__entry->mem_type, __MEM_TYPE_SYM_TAB),
364
+		  __entry->allocator,
365
+		  __entry->ifindex
366
+	)
367
+);
368
+
369
+TRACE_EVENT(mem_return_failed,
370
+
371
+	TP_PROTO(const struct xdp_mem_info *mem,
372
+		 const struct page *page),
373
+
374
+	TP_ARGS(mem, page),
375
+
376
+	TP_STRUCT__entry(
377
+		__field(const struct page *,	page)
378
+		__field(u32,		mem_id)
379
+		__field(u32,		mem_type)
380
+	),
381
+
382
+	TP_fast_assign(
383
+		__entry->page		= page;
384
+		__entry->mem_id		= mem->id;
385
+		__entry->mem_type	= mem->type;
386
+	),
387
+
388
+	TP_printk("mem_id=%d mem_type=%s page=%p",
389
+		  __entry->mem_id,
390
+		  __print_symbolic(__entry->mem_type, __MEM_TYPE_SYM_TAB),
391
+		  __entry->page
392
+	)
270393 );
271394 
272395 #endif /* _TRACE_XDP_H */