include/trace/events/xdp.h

   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
  28 TRACE_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
  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 DECLARE_EVENT_CLASS(xdp_redirect_template,
  90
  91         TP_PROTO(const struct net_device *dev,
  92                  const struct bpf_prog *xdp,
  93                  const void *tgt, int err,
  94                  enum bpf_map_type map_type,
  95                  u32 map_id, u32 index),
  96
  97         TP_ARGS(dev, xdp, tgt, err, map_type, map_id, index),
  98
  99         TP_STRUCT__entry(
 100                 __field(int, prog_id)
 101                 __field(u32, act)
 102                 __field(int, ifindex)
 103                 __field(int, err)
 104                 __field(int, to_ifindex)
 105                 __field(u32, map_id)
 106                 __field(int, map_index)
 107         ),
 108
 109         TP_fast_assign(
 110                 u32 ifindex = 0, map_index = index;
 111
 112                 if (map_type == BPF_MAP_TYPE_DEVMAP || map_type == BPF_MAP_TYPE_DEVMAP_HASH) {
 113                         ifindex = ((struct _bpf_dtab_netdev *)tgt)->dev->ifindex;
 114                 } else if (map_type == BPF_MAP_TYPE_UNSPEC && map_id == INT_MAX) {
 115                         ifindex = index;
 116                         map_index = 0;
 117                 }
 118
 119                 __entry->prog_id        = xdp->aux->id;
 120                 __entry->act            = XDP_REDIRECT;
 121                 __entry->ifindex        = dev->ifindex;
 122                 __entry->err            = err;
 123                 __entry->to_ifindex     = ifindex;
 124                 __entry->map_id         = map_id;
 125                 __entry->map_index      = map_index;
 126         ),
 127
 128         TP_printk("prog_id=%d action=%s ifindex=%d to_ifindex=%d err=%d"
 129                   " map_id=%d map_index=%d",
 130                   __entry->prog_id,
 131                   __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
 132                   __entry->ifindex, __entry->to_ifindex,
 133                   __entry->err, __entry->map_id, __entry->map_index)
 134 );
 135
 136 DEFINE_EVENT(xdp_redirect_template, xdp_redirect,
 137         TP_PROTO(const struct net_device *dev,
 138                  const struct bpf_prog *xdp,
 139                  const void *tgt, int err,
 140                  enum bpf_map_type map_type,
 141                  u32 map_id, u32 index),
 142         TP_ARGS(dev, xdp, tgt, err, map_type, map_id, index)
 143 );
 144
 145 DEFINE_EVENT(xdp_redirect_template, xdp_redirect_err,
 146         TP_PROTO(const struct net_device *dev,
 147                  const struct bpf_prog *xdp,
 148                  const void *tgt, int err,
 149                  enum bpf_map_type map_type,
 150                  u32 map_id, u32 index),
 151         TP_ARGS(dev, xdp, tgt, err, map_type, map_id, index)
 152 );
 153
 154 #define _trace_xdp_redirect(dev, xdp, to)                                               \
 155          trace_xdp_redirect(dev, xdp, NULL, 0, BPF_MAP_TYPE_UNSPEC, INT_MAX, to)
 156
 157 #define _trace_xdp_redirect_err(dev, xdp, to, err)                                      \
 158          trace_xdp_redirect_err(dev, xdp, NULL, err, BPF_MAP_TYPE_UNSPEC, INT_MAX, to)
 159
 160 #define _trace_xdp_redirect_map(dev, xdp, to, map_type, map_id, index) \
 161          trace_xdp_redirect(dev, xdp, to, 0, map_type, map_id, index)
 162
 163 #define _trace_xdp_redirect_map_err(dev, xdp, to, map_type, map_id, index, err) \
 164          trace_xdp_redirect_err(dev, xdp, to, err, map_type, map_id, index)
 165
 166 /* not used anymore, but kept around so as not to break old programs */
 167 DEFINE_EVENT(xdp_redirect_template, xdp_redirect_map,
 168         TP_PROTO(const struct net_device *dev,
 169                  const struct bpf_prog *xdp,
 170                  const void *tgt, int err,
 171                  enum bpf_map_type map_type,
 172                  u32 map_id, u32 index),
 173         TP_ARGS(dev, xdp, tgt, err, map_type, map_id, index)
 174 );
 175
 176 DEFINE_EVENT(xdp_redirect_template, xdp_redirect_map_err,
 177         TP_PROTO(const struct net_device *dev,
 178                  const struct bpf_prog *xdp,
 179                  const void *tgt, int err,
 180                  enum bpf_map_type map_type,
 181                  u32 map_id, u32 index),
 182         TP_ARGS(dev, xdp, tgt, err, map_type, map_id, index)
 183 );
 184
 185 TRACE_EVENT(xdp_cpumap_kthread,
 186
 187         TP_PROTO(int map_id, unsigned int processed,  unsigned int drops,
 188                  int sched, struct xdp_cpumap_stats *xdp_stats),
 189
 190         TP_ARGS(map_id, processed, drops, sched, xdp_stats),
 191
 192         TP_STRUCT__entry(
 193                 __field(int, map_id)
 194                 __field(u32, act)
 195                 __field(int, cpu)
 196                 __field(unsigned int, drops)
 197                 __field(unsigned int, processed)
 198                 __field(int, sched)
 199                 __field(unsigned int, xdp_pass)
 200                 __field(unsigned int, xdp_drop)
 201                 __field(unsigned int, xdp_redirect)
 202         ),
 203
 204         TP_fast_assign(
 205                 __entry->map_id         = map_id;
 206                 __entry->act            = XDP_REDIRECT;
 207                 __entry->cpu            = smp_processor_id();
 208                 __entry->drops          = drops;
 209                 __entry->processed      = processed;
 210                 __entry->sched  = sched;
 211                 __entry->xdp_pass       = xdp_stats->pass;
 212                 __entry->xdp_drop       = xdp_stats->drop;
 213                 __entry->xdp_redirect   = xdp_stats->redirect;
 214         ),
 215
 216         TP_printk("kthread"
 217                   " cpu=%d map_id=%d action=%s"
 218                   " processed=%u drops=%u"
 219                   " sched=%d"
 220                   " xdp_pass=%u xdp_drop=%u xdp_redirect=%u",
 221                   __entry->cpu, __entry->map_id,
 222                   __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
 223                   __entry->processed, __entry->drops,
 224                   __entry->sched,
 225                   __entry->xdp_pass, __entry->xdp_drop, __entry->xdp_redirect)
 226 );
 227
 228 TRACE_EVENT(xdp_cpumap_enqueue,
 229
 230         TP_PROTO(int map_id, unsigned int processed,  unsigned int drops,
 231                  int to_cpu),
 232
 233         TP_ARGS(map_id, processed, drops, to_cpu),
 234
 235         TP_STRUCT__entry(
 236                 __field(int, map_id)
 237                 __field(u32, act)
 238                 __field(int, cpu)
 239                 __field(unsigned int, drops)
 240                 __field(unsigned int, processed)
 241                 __field(int, to_cpu)
 242         ),
 243
 244         TP_fast_assign(
 245                 __entry->map_id         = map_id;
 246                 __entry->act            = XDP_REDIRECT;
 247                 __entry->cpu            = smp_processor_id();
 248                 __entry->drops          = drops;
 249                 __entry->processed      = processed;
 250                 __entry->to_cpu         = to_cpu;
 251         ),
 252
 253         TP_printk("enqueue"
 254                   " cpu=%d map_id=%d action=%s"
 255                   " processed=%u drops=%u"
 256                   " to_cpu=%d",
 257                   __entry->cpu, __entry->map_id,
 258                   __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
 259                   __entry->processed, __entry->drops,
 260                   __entry->to_cpu)
 261 );
 262
 263 TRACE_EVENT(xdp_devmap_xmit,
 264
 265         TP_PROTO(const struct net_device *from_dev,
 266                  const struct net_device *to_dev,
 267                  int sent, int drops, int err),
 268
 269         TP_ARGS(from_dev, to_dev, sent, drops, err),
 270
 271         TP_STRUCT__entry(
 272                 __field(int, from_ifindex)
 273                 __field(u32, act)
 274                 __field(int, to_ifindex)
 275                 __field(int, drops)
 276                 __field(int, sent)
 277                 __field(int, err)
 278         ),
 279
 280         TP_fast_assign(
 281                 __entry->from_ifindex   = from_dev->ifindex;
 282                 __entry->act            = XDP_REDIRECT;
 283                 __entry->to_ifindex     = to_dev->ifindex;
 284                 __entry->drops          = drops;
 285                 __entry->sent           = sent;
 286                 __entry->err            = err;
 287         ),
 288
 289         TP_printk("ndo_xdp_xmit"
 290                   " from_ifindex=%d to_ifindex=%d action=%s"
 291                   " sent=%d drops=%d"
 292                   " err=%d",
 293                   __entry->from_ifindex, __entry->to_ifindex,
 294                   __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
 295                   __entry->sent, __entry->drops,
 296                   __entry->err)
 297 );
 298
 299 /* Expect users already include <net/xdp.h>, but not xdp_priv.h */
 300 #include <net/xdp_priv.h>
 301
 302 #define __MEM_TYPE_MAP(FN)      \
 303         FN(PAGE_SHARED)         \
 304         FN(PAGE_ORDER0)         \
 305         FN(PAGE_POOL)           \
 306         FN(XSK_BUFF_POOL)
 307
 308 #define __MEM_TYPE_TP_FN(x)     \
 309         TRACE_DEFINE_ENUM(MEM_TYPE_##x);
 310 #define __MEM_TYPE_SYM_FN(x)    \
 311         { MEM_TYPE_##x, #x },
 312 #define __MEM_TYPE_SYM_TAB      \
 313         __MEM_TYPE_MAP(__MEM_TYPE_SYM_FN) { -1, 0 }
 314 __MEM_TYPE_MAP(__MEM_TYPE_TP_FN)
 315
 316 TRACE_EVENT(mem_disconnect,
 317
 318         TP_PROTO(const struct xdp_mem_allocator *xa),
 319
 320         TP_ARGS(xa),
 321
 322         TP_STRUCT__entry(
 323                 __field(const struct xdp_mem_allocator *,       xa)
 324                 __field(u32,            mem_id)
 325                 __field(u32,            mem_type)
 326                 __field(const void *,   allocator)
 327         ),
 328
 329         TP_fast_assign(
 330                 __entry->xa             = xa;
 331                 __entry->mem_id         = xa->mem.id;
 332                 __entry->mem_type       = xa->mem.type;
 333                 __entry->allocator      = xa->allocator;
 334         ),
 335
 336         TP_printk("mem_id=%d mem_type=%s allocator=%p",
 337                   __entry->mem_id,
 338                   __print_symbolic(__entry->mem_type, __MEM_TYPE_SYM_TAB),
 339                   __entry->allocator
 340         )
 341 );
 342
 343 TRACE_EVENT(mem_connect,
 344
 345         TP_PROTO(const struct xdp_mem_allocator *xa,
 346                  const struct xdp_rxq_info *rxq),
 347
 348         TP_ARGS(xa, rxq),
 349
 350         TP_STRUCT__entry(
 351                 __field(const struct xdp_mem_allocator *,       xa)
 352                 __field(u32,            mem_id)
 353                 __field(u32,            mem_type)
 354                 __field(const void *,   allocator)
 355                 __field(const struct xdp_rxq_info *,            rxq)
 356                 __field(int,            ifindex)
 357         ),
 358
 359         TP_fast_assign(
 360                 __entry->xa             = xa;
 361                 __entry->mem_id         = xa->mem.id;
 362                 __entry->mem_type       = xa->mem.type;
 363                 __entry->allocator      = xa->allocator;
 364                 __entry->rxq            = rxq;
 365                 __entry->ifindex        = rxq->dev->ifindex;
 366         ),
 367
 368         TP_printk("mem_id=%d mem_type=%s allocator=%p"
 369                   " ifindex=%d",
 370                   __entry->mem_id,
 371                   __print_symbolic(__entry->mem_type, __MEM_TYPE_SYM_TAB),
 372                   __entry->allocator,
 373                   __entry->ifindex
 374         )
 375 );
 376
 377 TRACE_EVENT(mem_return_failed,
 378
 379         TP_PROTO(const struct xdp_mem_info *mem,
 380                  const struct page *page),
 381
 382         TP_ARGS(mem, page),
 383
 384         TP_STRUCT__entry(
 385                 __field(const struct page *,    page)
 386                 __field(u32,            mem_id)
 387                 __field(u32,            mem_type)
 388         ),
 389
 390         TP_fast_assign(
 391                 __entry->page           = page;
 392                 __entry->mem_id         = mem->id;
 393                 __entry->mem_type       = mem->type;
 394         ),
 395
 396         TP_printk("mem_id=%d mem_type=%s page=%p",
 397                   __entry->mem_id,
 398                   __print_symbolic(__entry->mem_type, __MEM_TYPE_SYM_TAB),
 399                   __entry->page
 400         )
 401 );
 402
 403 #endif /* _TRACE_XDP_H */
 404
 405 #include <trace/define_trace.h>