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1/* SPDX-License-Identifier: GPL-2.0 */
2#undef TRACE_SYSTEM
3#define TRACE_SYSTEM xdp
4
5#if !defined(_TRACE_XDP_H) || defined(TRACE_HEADER_MULTI_READ)
6#define _TRACE_XDP_H
7
8#include <linux/netdevice.h>
9#include <linux/filter.h>
10#include <linux/tracepoint.h>
11#include <linux/bpf.h>
12
13#define __XDP_ACT_MAP(FN) \
14 FN(ABORTED) \
15 FN(DROP) \
16 FN(PASS) \
17 FN(TX) \
18 FN(REDIRECT)
19
20#define __XDP_ACT_TP_FN(x) \
21 TRACE_DEFINE_ENUM(XDP_##x);
22#define __XDP_ACT_SYM_FN(x) \
23 { XDP_##x, #x },
24#define __XDP_ACT_SYM_TAB \
25 __XDP_ACT_MAP(__XDP_ACT_SYM_FN) { -1, NULL }
26__XDP_ACT_MAP(__XDP_ACT_TP_FN)
27
28TRACE_EVENT(xdp_exception,
29
30 TP_PROTO(const struct net_device *dev,
31 const struct bpf_prog *xdp, u32 act),
32
33 TP_ARGS(dev, xdp, act),
34
35 TP_STRUCT__entry(
36 __field(int, prog_id)
37 __field(u32, act)
38 __field(int, ifindex)
39 ),
40
41 TP_fast_assign(
42 __entry->prog_id = xdp->aux->id;
43 __entry->act = act;
44 __entry->ifindex = dev->ifindex;
45 ),
46
47 TP_printk("prog_id=%d action=%s ifindex=%d",
48 __entry->prog_id,
49 __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
50 __entry->ifindex)
51);
52
53TRACE_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
84struct _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
94DECLARE_EVENT_CLASS(xdp_redirect_template,
95
96 TP_PROTO(const struct net_device *dev,
97 const struct bpf_prog *xdp,
98 const void *tgt, int err,
99 const struct bpf_map *map, u32 index),
100
101 TP_ARGS(dev, xdp, tgt, err, map, index),
102
103 TP_STRUCT__entry(
104 __field(int, prog_id)
105 __field(u32, act)
106 __field(int, ifindex)
107 __field(int, err)
108 __field(int, to_ifindex)
109 __field(u32, map_id)
110 __field(int, map_index)
111 ),
112
113 TP_fast_assign(
114 __entry->prog_id = xdp->aux->id;
115 __entry->act = XDP_REDIRECT;
116 __entry->ifindex = dev->ifindex;
117 __entry->err = err;
118 __entry->to_ifindex = map ? devmap_ifindex(tgt, map) :
119 index;
120 __entry->map_id = map ? map->id : 0;
121 __entry->map_index = map ? index : 0;
122 ),
123
124 TP_printk("prog_id=%d action=%s ifindex=%d to_ifindex=%d err=%d"
125 " map_id=%d map_index=%d",
126 __entry->prog_id,
127 __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
128 __entry->ifindex, __entry->to_ifindex,
129 __entry->err, __entry->map_id, __entry->map_index)
130);
131
132DEFINE_EVENT(xdp_redirect_template, xdp_redirect,
133 TP_PROTO(const struct net_device *dev,
134 const struct bpf_prog *xdp,
135 const void *tgt, int err,
136 const struct bpf_map *map, u32 index),
137 TP_ARGS(dev, xdp, tgt, err, map, index)
138);
139
140DEFINE_EVENT(xdp_redirect_template, xdp_redirect_err,
141 TP_PROTO(const struct net_device *dev,
142 const struct bpf_prog *xdp,
143 const void *tgt, int err,
144 const struct bpf_map *map, u32 index),
145 TP_ARGS(dev, xdp, tgt, err, map, index)
146);
147
148#define _trace_xdp_redirect(dev, xdp, to) \
149 trace_xdp_redirect(dev, xdp, NULL, 0, NULL, to);
150
151#define _trace_xdp_redirect_err(dev, xdp, to, err) \
152 trace_xdp_redirect_err(dev, xdp, NULL, err, NULL, to);
153
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 */
161DEFINE_EVENT(xdp_redirect_template, xdp_redirect_map,
162 TP_PROTO(const struct net_device *dev,
163 const struct bpf_prog *xdp,
164 const void *tgt, int err,
165 const struct bpf_map *map, u32 index),
166 TP_ARGS(dev, xdp, tgt, err, map, index)
167);
168
169DEFINE_EVENT(xdp_redirect_template, xdp_redirect_map_err,
170 TP_PROTO(const struct net_device *dev,
171 const struct bpf_prog *xdp,
172 const void *tgt, int err,
173 const struct bpf_map *map, u32 index),
174 TP_ARGS(dev, xdp, tgt, err, map, index)
175);
176
177TRACE_EVENT(xdp_cpumap_kthread,
178
179 TP_PROTO(int map_id, unsigned int processed, unsigned int drops,
180 int sched, struct xdp_cpumap_stats *xdp_stats),
181
182 TP_ARGS(map_id, processed, drops, sched, xdp_stats),
183
184 TP_STRUCT__entry(
185 __field(int, map_id)
186 __field(u32, act)
187 __field(int, cpu)
188 __field(unsigned int, drops)
189 __field(unsigned int, processed)
190 __field(int, sched)
191 __field(unsigned int, xdp_pass)
192 __field(unsigned int, xdp_drop)
193 __field(unsigned int, xdp_redirect)
194 ),
195
196 TP_fast_assign(
197 __entry->map_id = map_id;
198 __entry->act = XDP_REDIRECT;
199 __entry->cpu = smp_processor_id();
200 __entry->drops = drops;
201 __entry->processed = processed;
202 __entry->sched = sched;
203 __entry->xdp_pass = xdp_stats->pass;
204 __entry->xdp_drop = xdp_stats->drop;
205 __entry->xdp_redirect = xdp_stats->redirect;
206 ),
207
208 TP_printk("kthread"
209 " cpu=%d map_id=%d action=%s"
210 " processed=%u drops=%u"
211 " sched=%d"
212 " xdp_pass=%u xdp_drop=%u xdp_redirect=%u",
213 __entry->cpu, __entry->map_id,
214 __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
215 __entry->processed, __entry->drops,
216 __entry->sched,
217 __entry->xdp_pass, __entry->xdp_drop, __entry->xdp_redirect)
218);
219
220TRACE_EVENT(xdp_cpumap_enqueue,
221
222 TP_PROTO(int map_id, unsigned int processed, unsigned int drops,
223 int to_cpu),
224
225 TP_ARGS(map_id, processed, drops, to_cpu),
226
227 TP_STRUCT__entry(
228 __field(int, map_id)
229 __field(u32, act)
230 __field(int, cpu)
231 __field(unsigned int, drops)
232 __field(unsigned int, processed)
233 __field(int, to_cpu)
234 ),
235
236 TP_fast_assign(
237 __entry->map_id = map_id;
238 __entry->act = XDP_REDIRECT;
239 __entry->cpu = smp_processor_id();
240 __entry->drops = drops;
241 __entry->processed = processed;
242 __entry->to_cpu = to_cpu;
243 ),
244
245 TP_printk("enqueue"
246 " cpu=%d map_id=%d action=%s"
247 " processed=%u drops=%u"
248 " to_cpu=%d",
249 __entry->cpu, __entry->map_id,
250 __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
251 __entry->processed, __entry->drops,
252 __entry->to_cpu)
253);
254
255TRACE_EVENT(xdp_devmap_xmit,
256
257 TP_PROTO(const struct net_device *from_dev,
258 const struct net_device *to_dev,
259 int sent, int drops, int err),
260
261 TP_ARGS(from_dev, to_dev, sent, drops, err),
262
263 TP_STRUCT__entry(
264 __field(int, from_ifindex)
265 __field(u32, act)
266 __field(int, to_ifindex)
267 __field(int, drops)
268 __field(int, sent)
269 __field(int, err)
270 ),
271
272 TP_fast_assign(
273 __entry->from_ifindex = from_dev->ifindex;
274 __entry->act = XDP_REDIRECT;
275 __entry->to_ifindex = to_dev->ifindex;
276 __entry->drops = drops;
277 __entry->sent = sent;
278 __entry->err = err;
279 ),
280
281 TP_printk("ndo_xdp_xmit"
282 " from_ifindex=%d to_ifindex=%d action=%s"
283 " sent=%d drops=%d"
284 " err=%d",
285 __entry->from_ifindex, __entry->to_ifindex,
286 __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
287 __entry->sent, __entry->drops,
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
308TRACE_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
335TRACE_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
369TRACE_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 )
393);
394
395#endif /* _TRACE_XDP_H */
396
397#include <trace/define_trace.h>