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, 0 }
  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 DECLARE_EVENT_CLASS(xdp_redirect_template,
  83
  84         TP_PROTO(const struct net_device *dev,
  85                  const struct bpf_prog *xdp,
  86                  int to_ifindex, int err,
  87                  const struct bpf_map *map, u32 map_index),
  88
  89         TP_ARGS(dev, xdp, to_ifindex, err, map, map_index),
  90
  91         TP_STRUCT__entry(
  92                 __field(int, prog_id)
  93                 __field(u32, act)
  94                 __field(int, ifindex)
  95                 __field(int, err)
  96                 __field(int, to_ifindex)
  97                 __field(u32, map_id)
  98                 __field(int, map_index)
  99         ),
 100
 101         TP_fast_assign(
 102                 __entry->prog_id        = xdp->aux->id;
 103                 __entry->act            = XDP_REDIRECT;
 104                 __entry->ifindex        = dev->ifindex;
 105                 __entry->err            = err;
 106                 __entry->to_ifindex     = to_ifindex;
 107                 __entry->map_id         = map ? map->id : 0;
 108                 __entry->map_index      = map_index;
 109         ),
 110
 111         TP_printk("prog_id=%d action=%s ifindex=%d to_ifindex=%d err=%d",
 112                   __entry->prog_id,
 113                   __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
 114                   __entry->ifindex, __entry->to_ifindex,
 115                   __entry->err)
 116 );
 117
 118 DEFINE_EVENT(xdp_redirect_template, xdp_redirect,
 119         TP_PROTO(const struct net_device *dev,
 120                  const struct bpf_prog *xdp,
 121                  int to_ifindex, int err,
 122                  const struct bpf_map *map, u32 map_index),
 123         TP_ARGS(dev, xdp, to_ifindex, err, map, map_index)
 124 );
 125
 126 DEFINE_EVENT(xdp_redirect_template, xdp_redirect_err,
 127         TP_PROTO(const struct net_device *dev,
 128                  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 );
 133
 134 #define _trace_xdp_redirect(dev, xdp, to)               \
 135          trace_xdp_redirect(dev, xdp, to, 0, NULL, 0);
 136
 137 #define _trace_xdp_redirect_err(dev, xdp, to, err)      \
 138          trace_xdp_redirect_err(dev, xdp, to, err, NULL, 0);
 139
 140 DEFINE_EVENT_PRINT(xdp_redirect_template, xdp_redirect_map,
 141         TP_PROTO(const struct net_device *dev,
 142                  const struct bpf_prog *xdp,
 143                  int to_ifindex, int err,
 144                  const struct bpf_map *map, u32 map_index),
 145         TP_ARGS(dev, xdp, to_ifindex, err, map, map_index),
 146         TP_printk("prog_id=%d action=%s ifindex=%d to_ifindex=%d err=%d"
 147                   " map_id=%d map_index=%d",
 148                   __entry->prog_id,
 149                   __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
 150                   __entry->ifindex, __entry->to_ifindex,
 151                   __entry->err,
 152                   __entry->map_id, __entry->map_index)
 153 );
 154
 155 DEFINE_EVENT_PRINT(xdp_redirect_template, xdp_redirect_map_err,
 156         TP_PROTO(const struct net_device *dev,
 157                  const struct bpf_prog *xdp,
 158                  int to_ifindex, int err,
 159                  const struct bpf_map *map, u32 map_index),
 160         TP_ARGS(dev, xdp, to_ifindex, err, map, map_index),
 161         TP_printk("prog_id=%d action=%s ifindex=%d to_ifindex=%d err=%d"
 162                   " map_id=%d map_index=%d",
 163                   __entry->prog_id,
 164                   __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
 165                   __entry->ifindex, __entry->to_ifindex,
 166                   __entry->err,
 167                   __entry->map_id, __entry->map_index)
 168 );
 169
 170 #ifndef __DEVMAP_OBJ_TYPE
 171 #define __DEVMAP_OBJ_TYPE
 172 struct _bpf_dtab_netdev {
 173         struct net_device *dev;
 174 };
 175 #endif /* __DEVMAP_OBJ_TYPE */
 176
 177 #define devmap_ifindex(fwd, map)                                \
 178         ((map->map_type == BPF_MAP_TYPE_DEVMAP ||               \
 179           map->map_type == BPF_MAP_TYPE_DEVMAP_HASH) ?          \
 180           ((struct _bpf_dtab_netdev *)fwd)->dev->ifindex : 0)
 181
 182 #define _trace_xdp_redirect_map(dev, xdp, fwd, map, idx)                \
 183          trace_xdp_redirect_map(dev, xdp, devmap_ifindex(fwd, map),     \
 184                                 0, map, idx)
 185
 186 #define _trace_xdp_redirect_map_err(dev, xdp, fwd, map, idx, err)       \
 187          trace_xdp_redirect_map_err(dev, xdp, devmap_ifindex(fwd, map), \
 188                                     err, map, idx)
 189
 190 TRACE_EVENT(xdp_cpumap_kthread,
 191
 192         TP_PROTO(int map_id, unsigned int processed,  unsigned int drops,
 193                  int sched),
 194
 195         TP_ARGS(map_id, processed, drops, sched),
 196
 197         TP_STRUCT__entry(
 198                 __field(int, map_id)
 199                 __field(u32, act)
 200                 __field(int, cpu)
 201                 __field(unsigned int, drops)
 202                 __field(unsigned int, processed)
 203                 __field(int, sched)
 204         ),
 205
 206         TP_fast_assign(
 207                 __entry->map_id         = map_id;
 208                 __entry->act            = XDP_REDIRECT;
 209                 __entry->cpu            = smp_processor_id();
 210                 __entry->drops          = drops;
 211                 __entry->processed      = processed;
 212                 __entry->sched  = sched;
 213         ),
 214
 215         TP_printk("kthread"
 216                   " cpu=%d map_id=%d action=%s"
 217                   " processed=%u drops=%u"
 218                   " sched=%d",
 219                   __entry->cpu, __entry->map_id,
 220                   __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
 221                   __entry->processed, __entry->drops,
 222                   __entry->sched)
 223 );
 224
 225 TRACE_EVENT(xdp_cpumap_enqueue,
 226
 227         TP_PROTO(int map_id, unsigned int processed,  unsigned int drops,
 228                  int to_cpu),
 229
 230         TP_ARGS(map_id, processed, drops, to_cpu),
 231
 232         TP_STRUCT__entry(
 233                 __field(int, map_id)
 234                 __field(u32, act)
 235                 __field(int, cpu)
 236                 __field(unsigned int, drops)
 237                 __field(unsigned int, processed)
 238                 __field(int, to_cpu)
 239         ),
 240
 241         TP_fast_assign(
 242                 __entry->map_id         = map_id;
 243                 __entry->act            = XDP_REDIRECT;
 244                 __entry->cpu            = smp_processor_id();
 245                 __entry->drops          = drops;
 246                 __entry->processed      = processed;
 247                 __entry->to_cpu         = to_cpu;
 248         ),
 249
 250         TP_printk("enqueue"
 251                   " cpu=%d map_id=%d action=%s"
 252                   " processed=%u drops=%u"
 253                   " to_cpu=%d",
 254                   __entry->cpu, __entry->map_id,
 255                   __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
 256                   __entry->processed, __entry->drops,
 257                   __entry->to_cpu)
 258 );
 259
 260 TRACE_EVENT(xdp_devmap_xmit,
 261
 262         TP_PROTO(const struct bpf_map *map, u32 map_index,
 263                  int sent, int drops,
 264                  const struct net_device *from_dev,
 265                  const struct net_device *to_dev, int err),
 266
 267         TP_ARGS(map, map_index, sent, drops, from_dev, to_dev, err),
 268
 269         TP_STRUCT__entry(
 270                 __field(int, map_id)
 271                 __field(u32, act)
 272                 __field(u32, map_index)
 273                 __field(int, drops)
 274                 __field(int, sent)
 275                 __field(int, from_ifindex)
 276                 __field(int, to_ifindex)
 277                 __field(int, err)
 278         ),
 279
 280         TP_fast_assign(
 281                 __entry->map_id         = map->id;
 282                 __entry->act            = XDP_REDIRECT;
 283                 __entry->map_index      = map_index;
 284                 __entry->drops          = drops;
 285                 __entry->sent           = sent;
 286                 __entry->from_ifindex   = from_dev->ifindex;
 287                 __entry->to_ifindex     = to_dev->ifindex;
 288                 __entry->err            = err;
 289         ),
 290
 291         TP_printk("ndo_xdp_xmit"
 292                   " map_id=%d map_index=%d action=%s"
 293                   " sent=%d drops=%d"
 294                   " from_ifindex=%d to_ifindex=%d err=%d",
 295                   __entry->map_id, __entry->map_index,
 296                   __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
 297                   __entry->sent, __entry->drops,
 298                   __entry->from_ifindex, __entry->to_ifindex, __entry->err)
 299 );
 300
 301 /* Expect users already include <net/xdp.h>, but not xdp_priv.h */
 302 #include <net/xdp_priv.h>
 303
 304 #define __MEM_TYPE_MAP(FN)      \
 305         FN(PAGE_SHARED)         \
 306         FN(PAGE_ORDER0)         \
 307         FN(PAGE_POOL)           \
 308         FN(ZERO_COPY)
 309
 310 #define __MEM_TYPE_TP_FN(x)     \
 311         TRACE_DEFINE_ENUM(MEM_TYPE_##x);
 312 #define __MEM_TYPE_SYM_FN(x)    \
 313         { MEM_TYPE_##x, #x },
 314 #define __MEM_TYPE_SYM_TAB      \
 315         __MEM_TYPE_MAP(__MEM_TYPE_SYM_FN) { -1, 0 }
 316 __MEM_TYPE_MAP(__MEM_TYPE_TP_FN)
 317
 318 TRACE_EVENT(mem_disconnect,
 319
 320         TP_PROTO(const struct xdp_mem_allocator *xa),
 321
 322         TP_ARGS(xa),
 323
 324         TP_STRUCT__entry(
 325                 __field(const struct xdp_mem_allocator *,       xa)
 326                 __field(u32,            mem_id)
 327                 __field(u32,            mem_type)
 328                 __field(const void *,   allocator)
 329         ),
 330
 331         TP_fast_assign(
 332                 __entry->xa             = xa;
 333                 __entry->mem_id         = xa->mem.id;
 334                 __entry->mem_type       = xa->mem.type;
 335                 __entry->allocator      = xa->allocator;
 336         ),
 337
 338         TP_printk("mem_id=%d mem_type=%s allocator=%p",
 339                   __entry->mem_id,
 340                   __print_symbolic(__entry->mem_type, __MEM_TYPE_SYM_TAB),
 341                   __entry->allocator
 342         )
 343 );
 344
 345 TRACE_EVENT(mem_connect,
 346
 347         TP_PROTO(const struct xdp_mem_allocator *xa,
 348                  const struct xdp_rxq_info *rxq),
 349
 350         TP_ARGS(xa, rxq),
 351
 352         TP_STRUCT__entry(
 353                 __field(const struct xdp_mem_allocator *,       xa)
 354                 __field(u32,            mem_id)
 355                 __field(u32,            mem_type)
 356                 __field(const void *,   allocator)
 357                 __field(const struct xdp_rxq_info *,            rxq)
 358                 __field(int,            ifindex)
 359         ),
 360
 361         TP_fast_assign(
 362                 __entry->xa             = xa;
 363                 __entry->mem_id         = xa->mem.id;
 364                 __entry->mem_type       = xa->mem.type;
 365                 __entry->allocator      = xa->allocator;
 366                 __entry->rxq            = rxq;
 367                 __entry->ifindex        = rxq->dev->ifindex;
 368         ),
 369
 370         TP_printk("mem_id=%d mem_type=%s allocator=%p"
 371                   " ifindex=%d",
 372                   __entry->mem_id,
 373                   __print_symbolic(__entry->mem_type, __MEM_TYPE_SYM_TAB),
 374                   __entry->allocator,
 375                   __entry->ifindex
 376         )
 377 );
 378
 379 TRACE_EVENT(mem_return_failed,
 380
 381         TP_PROTO(const struct xdp_mem_info *mem,
 382                  const struct page *page),
 383
 384         TP_ARGS(mem, page),
 385
 386         TP_STRUCT__entry(
 387                 __field(const struct page *,    page)
 388                 __field(u32,            mem_id)
 389                 __field(u32,            mem_type)
 390         ),
 391
 392         TP_fast_assign(
 393                 __entry->page           = page;
 394                 __entry->mem_id         = mem->id;
 395                 __entry->mem_type       = mem->type;
 396         ),
 397
 398         TP_printk("mem_id=%d mem_type=%s page=%p",
 399                   __entry->mem_id,
 400                   __print_symbolic(__entry->mem_type, __MEM_TYPE_SYM_TAB),
 401                   __entry->page
 402         )
 403 );
 404
 405 #endif /* _TRACE_XDP_H */
 406
 407 #include <trace/define_trace.h>