LXR linux/drivers/net/wireless/iwlwifi/iwl-devtrace.h

   1/******************************************************************************
   2 *
   3 * Copyright(c) 2009 - 2013 Intel Corporation. All rights reserved.
   4 *
   5 * This program is free software; you can redistribute it and/or modify it
   6 * under the terms of version 2 of the GNU General Public License as
   7 * published by the Free Software Foundation.
   8 *
   9 * This program is distributed in the hope that it will be useful, but WITHOUT
  10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12 * more details.
  13 *
  14 * You should have received a copy of the GNU General Public License along with
  15 * this program; if not, write to the Free Software Foundation, Inc.,
  16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17 *
  18 * The full GNU General Public License is included in this distribution in the
  19 * file called LICENSE.
  20 *
  21 * Contact Information:
  22 *  Intel Linux Wireless <ilw@linux.intel.com>
  23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  24 *
  25 *****************************************************************************/
  26
  27#if !defined(__IWLWIFI_DEVICE_TRACE) || defined(TRACE_HEADER_MULTI_READ)
  28#include <linux/skbuff.h>
  29#include <linux/ieee80211.h>
  30#include <net/cfg80211.h>
  31#include "iwl-trans.h"
  32#if !defined(__IWLWIFI_DEVICE_TRACE)
  33static inline bool iwl_trace_data(struct sk_buff *skb)
  34{
  35        struct ieee80211_hdr *hdr = (void *)skb->data;
  36
  37        if (ieee80211_is_data(hdr->frame_control))
  38                return skb->protocol != cpu_to_be16(ETH_P_PAE);
  39        return false;
  40}
  41
  42static inline size_t iwl_rx_trace_len(const struct iwl_trans *trans,
  43                                      void *rxbuf, size_t len)
  44{
  45        struct iwl_cmd_header *cmd = (void *)((u8 *)rxbuf + sizeof(__le32));
  46        struct ieee80211_hdr *hdr;
  47
  48        if (cmd->cmd != trans->rx_mpdu_cmd)
  49                return len;
  50
  51        hdr = (void *)((u8 *)cmd + sizeof(struct iwl_cmd_header) +
  52                        trans->rx_mpdu_cmd_hdr_size);
  53        if (!ieee80211_is_data(hdr->frame_control))
  54                return len;
  55        /* maybe try to identify EAPOL frames? */
  56        return sizeof(__le32) + sizeof(*cmd) + trans->rx_mpdu_cmd_hdr_size +
  57                ieee80211_hdrlen(hdr->frame_control);
  58}
  59#endif
  60
  61#define __IWLWIFI_DEVICE_TRACE
  62
  63#include <linux/tracepoint.h>
  64#include <linux/device.h>
  65#include "iwl-trans.h"
  66
  67
  68#if !defined(CONFIG_IWLWIFI_DEVICE_TRACING) || defined(__CHECKER__)
  69#undef TRACE_EVENT
  70#define TRACE_EVENT(name, proto, ...) \
  71static inline void trace_ ## name(proto) {}
  72#undef DECLARE_EVENT_CLASS
  73#define DECLARE_EVENT_CLASS(...)
  74#undef DEFINE_EVENT
  75#define DEFINE_EVENT(evt_class, name, proto, ...) \
  76static inline void trace_ ## name(proto) {}
  77#endif
  78
  79#define DEV_ENTRY       __string(dev, dev_name(dev))
  80#define DEV_ASSIGN      __assign_str(dev, dev_name(dev))
  81
  82#undef TRACE_SYSTEM
  83#define TRACE_SYSTEM iwlwifi_io
  84
  85TRACE_EVENT(iwlwifi_dev_ioread32,
  86        TP_PROTO(const struct device *dev, u32 offs, u32 val),
  87        TP_ARGS(dev, offs, val),
  88        TP_STRUCT__entry(
  89                DEV_ENTRY
  90                __field(u32, offs)
  91                __field(u32, val)
  92        ),
  93        TP_fast_assign(
  94                DEV_ASSIGN;
  95                __entry->offs = offs;
  96                __entry->val = val;
  97        ),
  98        TP_printk("[%s] read io[%#x] = %#x",
  99                  __get_str(dev), __entry->offs, __entry->val)
 100);
 101
 102TRACE_EVENT(iwlwifi_dev_iowrite8,
 103        TP_PROTO(const struct device *dev, u32 offs, u8 val),
 104        TP_ARGS(dev, offs, val),
 105        TP_STRUCT__entry(
 106                DEV_ENTRY
 107                __field(u32, offs)
 108                __field(u8, val)
 109        ),
 110        TP_fast_assign(
 111                DEV_ASSIGN;
 112                __entry->offs = offs;
 113                __entry->val = val;
 114        ),
 115        TP_printk("[%s] write io[%#x] = %#x)",
 116                  __get_str(dev), __entry->offs, __entry->val)
 117);
 118
 119TRACE_EVENT(iwlwifi_dev_iowrite32,
 120        TP_PROTO(const struct device *dev, u32 offs, u32 val),
 121        TP_ARGS(dev, offs, val),
 122        TP_STRUCT__entry(
 123                DEV_ENTRY
 124                __field(u32, offs)
 125                __field(u32, val)
 126        ),
 127        TP_fast_assign(
 128                DEV_ASSIGN;
 129                __entry->offs = offs;
 130                __entry->val = val;
 131        ),
 132        TP_printk("[%s] write io[%#x] = %#x)",
 133                  __get_str(dev), __entry->offs, __entry->val)
 134);
 135
 136TRACE_EVENT(iwlwifi_dev_iowrite_prph32,
 137        TP_PROTO(const struct device *dev, u32 offs, u32 val),
 138        TP_ARGS(dev, offs, val),
 139        TP_STRUCT__entry(
 140                DEV_ENTRY
 141                __field(u32, offs)
 142                __field(u32, val)
 143        ),
 144        TP_fast_assign(
 145                DEV_ASSIGN;
 146                __entry->offs = offs;
 147                __entry->val = val;
 148        ),
 149        TP_printk("[%s] write PRPH[%#x] = %#x)",
 150                  __get_str(dev), __entry->offs, __entry->val)
 151);
 152
 153TRACE_EVENT(iwlwifi_dev_ioread_prph32,
 154        TP_PROTO(const struct device *dev, u32 offs, u32 val),
 155        TP_ARGS(dev, offs, val),
 156        TP_STRUCT__entry(
 157                DEV_ENTRY
 158                __field(u32, offs)
 159                __field(u32, val)
 160        ),
 161        TP_fast_assign(
 162                DEV_ASSIGN;
 163                __entry->offs = offs;
 164                __entry->val = val;
 165        ),
 166        TP_printk("[%s] read PRPH[%#x] = %#x",
 167                  __get_str(dev), __entry->offs, __entry->val)
 168);
 169
 170TRACE_EVENT(iwlwifi_dev_irq,
 171        TP_PROTO(const struct device *dev),
 172        TP_ARGS(dev),
 173        TP_STRUCT__entry(
 174                DEV_ENTRY
 175        ),
 176        TP_fast_assign(
 177                DEV_ASSIGN;
 178        ),
 179        /* TP_printk("") doesn't compile */
 180        TP_printk("%d", 0)
 181);
 182
 183TRACE_EVENT(iwlwifi_dev_ict_read,
 184        TP_PROTO(const struct device *dev, u32 index, u32 value),
 185        TP_ARGS(dev, index, value),
 186        TP_STRUCT__entry(
 187                DEV_ENTRY
 188                __field(u32, index)
 189                __field(u32, value)
 190        ),
 191        TP_fast_assign(
 192                DEV_ASSIGN;
 193                __entry->index = index;
 194                __entry->value = value;
 195        ),
 196        TP_printk("[%s] read ict[%d] = %#.8x",
 197                  __get_str(dev), __entry->index, __entry->value)
 198);
 199
 200#undef TRACE_SYSTEM
 201#define TRACE_SYSTEM iwlwifi_ucode
 202
 203TRACE_EVENT(iwlwifi_dev_ucode_cont_event,
 204        TP_PROTO(const struct device *dev, u32 time, u32 data, u32 ev),
 205        TP_ARGS(dev, time, data, ev),
 206        TP_STRUCT__entry(
 207                DEV_ENTRY
 208
 209                __field(u32, time)
 210                __field(u32, data)
 211                __field(u32, ev)
 212        ),
 213        TP_fast_assign(
 214                DEV_ASSIGN;
 215                __entry->time = time;
 216                __entry->data = data;
 217                __entry->ev = ev;
 218        ),
 219        TP_printk("[%s] EVT_LOGT:%010u:0x%08x:%04u",
 220                  __get_str(dev), __entry->time, __entry->data, __entry->ev)
 221);
 222
 223TRACE_EVENT(iwlwifi_dev_ucode_wrap_event,
 224        TP_PROTO(const struct device *dev, u32 wraps, u32 n_entry, u32 p_entry),
 225        TP_ARGS(dev, wraps, n_entry, p_entry),
 226        TP_STRUCT__entry(
 227                DEV_ENTRY
 228
 229                __field(u32, wraps)
 230                __field(u32, n_entry)
 231                __field(u32, p_entry)
 232        ),
 233        TP_fast_assign(
 234                DEV_ASSIGN;
 235                __entry->wraps = wraps;
 236                __entry->n_entry = n_entry;
 237                __entry->p_entry = p_entry;
 238        ),
 239        TP_printk("[%s] wraps=#%02d n=0x%X p=0x%X",
 240                  __get_str(dev), __entry->wraps, __entry->n_entry,
 241                  __entry->p_entry)
 242);
 243
 244#undef TRACE_SYSTEM
 245#define TRACE_SYSTEM iwlwifi_msg
 246
 247#define MAX_MSG_LEN     110
 248
 249DECLARE_EVENT_CLASS(iwlwifi_msg_event,
 250        TP_PROTO(struct va_format *vaf),
 251        TP_ARGS(vaf),
 252        TP_STRUCT__entry(
 253                __dynamic_array(char, msg, MAX_MSG_LEN)
 254        ),
 255        TP_fast_assign(
 256                WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
 257                                       MAX_MSG_LEN, vaf->fmt,
 258                                       *vaf->va) >= MAX_MSG_LEN);
 259        ),
 260        TP_printk("%s", __get_str(msg))
 261);
 262
 263DEFINE_EVENT(iwlwifi_msg_event, iwlwifi_err,
 264        TP_PROTO(struct va_format *vaf),
 265        TP_ARGS(vaf)
 266);
 267
 268DEFINE_EVENT(iwlwifi_msg_event, iwlwifi_warn,
 269        TP_PROTO(struct va_format *vaf),
 270        TP_ARGS(vaf)
 271);
 272
 273DEFINE_EVENT(iwlwifi_msg_event, iwlwifi_info,
 274        TP_PROTO(struct va_format *vaf),
 275        TP_ARGS(vaf)
 276);
 277
 278DEFINE_EVENT(iwlwifi_msg_event, iwlwifi_crit,
 279        TP_PROTO(struct va_format *vaf),
 280        TP_ARGS(vaf)
 281);
 282
 283TRACE_EVENT(iwlwifi_dbg,
 284        TP_PROTO(u32 level, bool in_interrupt, const char *function,
 285                 struct va_format *vaf),
 286        TP_ARGS(level, in_interrupt, function, vaf),
 287        TP_STRUCT__entry(
 288                __field(u32, level)
 289                __field(u8, in_interrupt)
 290                __string(function, function)
 291                __dynamic_array(char, msg, MAX_MSG_LEN)
 292        ),
 293        TP_fast_assign(
 294                __entry->level = level;
 295                __entry->in_interrupt = in_interrupt;
 296                __assign_str(function, function);
 297                WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
 298                                       MAX_MSG_LEN, vaf->fmt,
 299                                       *vaf->va) >= MAX_MSG_LEN);
 300        ),
 301        TP_printk("%s", __get_str(msg))
 302);
 303
 304#undef TRACE_SYSTEM
 305#define TRACE_SYSTEM iwlwifi_data
 306
 307TRACE_EVENT(iwlwifi_dev_tx_data,
 308        TP_PROTO(const struct device *dev,
 309                 struct sk_buff *skb,
 310                 void *data, size_t data_len),
 311        TP_ARGS(dev, skb, data, data_len),
 312        TP_STRUCT__entry(
 313                DEV_ENTRY
 314
 315                __dynamic_array(u8, data, iwl_trace_data(skb) ? data_len : 0)
 316        ),
 317        TP_fast_assign(
 318                DEV_ASSIGN;
 319                if (iwl_trace_data(skb))
 320                        memcpy(__get_dynamic_array(data), data, data_len);
 321        ),
 322        TP_printk("[%s] TX frame data", __get_str(dev))
 323);
 324
 325TRACE_EVENT(iwlwifi_dev_rx_data,
 326        TP_PROTO(const struct device *dev,
 327                 const struct iwl_trans *trans,
 328                 void *rxbuf, size_t len),
 329        TP_ARGS(dev, trans, rxbuf, len),
 330        TP_STRUCT__entry(
 331                DEV_ENTRY
 332
 333                __dynamic_array(u8, data,
 334                                len - iwl_rx_trace_len(trans, rxbuf, len))
 335        ),
 336        TP_fast_assign(
 337                size_t offs = iwl_rx_trace_len(trans, rxbuf, len);
 338                DEV_ASSIGN;
 339                if (offs < len)
 340                        memcpy(__get_dynamic_array(data),
 341                               ((u8 *)rxbuf) + offs, len - offs);
 342        ),
 343        TP_printk("[%s] RX frame data", __get_str(dev))
 344);
 345
 346#undef TRACE_SYSTEM
 347#define TRACE_SYSTEM iwlwifi
 348
 349TRACE_EVENT(iwlwifi_dev_hcmd,
 350        TP_PROTO(const struct device *dev,
 351                 struct iwl_host_cmd *cmd, u16 total_size,
 352                 struct iwl_cmd_header *hdr),
 353        TP_ARGS(dev, cmd, total_size, hdr),
 354        TP_STRUCT__entry(
 355                DEV_ENTRY
 356                __dynamic_array(u8, hcmd, total_size)
 357                __field(u32, flags)
 358        ),
 359        TP_fast_assign(
 360                int i, offset = sizeof(*hdr);
 361
 362                DEV_ASSIGN;
 363                __entry->flags = cmd->flags;
 364                memcpy(__get_dynamic_array(hcmd), hdr, sizeof(*hdr));
 365
 366                for (i = 0; i < IWL_MAX_CMD_TBS_PER_TFD; i++) {
 367                        if (!cmd->len[i])
 368                                continue;
 369                        memcpy((u8 *)__get_dynamic_array(hcmd) + offset,
 370                               cmd->data[i], cmd->len[i]);
 371                        offset += cmd->len[i];
 372                }
 373        ),
 374        TP_printk("[%s] hcmd %#.2x (%ssync)",
 375                  __get_str(dev), ((u8 *)__get_dynamic_array(hcmd))[0],
 376                  __entry->flags & CMD_ASYNC ? "a" : "")
 377);
 378
 379TRACE_EVENT(iwlwifi_dev_rx,
 380        TP_PROTO(const struct device *dev, const struct iwl_trans *trans,
 381                 void *rxbuf, size_t len),
 382        TP_ARGS(dev, trans, rxbuf, len),
 383        TP_STRUCT__entry(
 384                DEV_ENTRY
 385                __dynamic_array(u8, rxbuf, iwl_rx_trace_len(trans, rxbuf, len))
 386        ),
 387        TP_fast_assign(
 388                DEV_ASSIGN;
 389                memcpy(__get_dynamic_array(rxbuf), rxbuf,
 390                       iwl_rx_trace_len(trans, rxbuf, len));
 391        ),
 392        TP_printk("[%s] RX cmd %#.2x",
 393                  __get_str(dev), ((u8 *)__get_dynamic_array(rxbuf))[4])
 394);
 395
 396TRACE_EVENT(iwlwifi_dev_tx,
 397        TP_PROTO(const struct device *dev, struct sk_buff *skb,
 398                 void *tfd, size_t tfdlen,
 399                 void *buf0, size_t buf0_len,
 400                 void *buf1, size_t buf1_len),
 401        TP_ARGS(dev, skb, tfd, tfdlen, buf0, buf0_len, buf1, buf1_len),
 402        TP_STRUCT__entry(
 403                DEV_ENTRY
 404
 405                __field(size_t, framelen)
 406                __dynamic_array(u8, tfd, tfdlen)
 407
 408                /*
 409                 * Do not insert between or below these items,
 410                 * we want to keep the frame together (except
 411                 * for the possible padding).
 412                 */
 413                __dynamic_array(u8, buf0, buf0_len)
 414                __dynamic_array(u8, buf1, iwl_trace_data(skb) ? 0 : buf1_len)
 415        ),
 416        TP_fast_assign(
 417                DEV_ASSIGN;
 418                __entry->framelen = buf0_len + buf1_len;
 419                memcpy(__get_dynamic_array(tfd), tfd, tfdlen);
 420                memcpy(__get_dynamic_array(buf0), buf0, buf0_len);
 421                if (!iwl_trace_data(skb))
 422                        memcpy(__get_dynamic_array(buf1), buf1, buf1_len);
 423        ),
 424        TP_printk("[%s] TX %.2x (%zu bytes)",
 425                  __get_str(dev), ((u8 *)__get_dynamic_array(buf0))[0],
 426                  __entry->framelen)
 427);
 428
 429TRACE_EVENT(iwlwifi_dev_ucode_error,
 430        TP_PROTO(const struct device *dev, u32 desc, u32 tsf_low,
 431                 u32 data1, u32 data2, u32 line, u32 blink1,
 432                 u32 blink2, u32 ilink1, u32 ilink2, u32 bcon_time,
 433                 u32 gp1, u32 gp2, u32 gp3, u32 ucode_ver, u32 hw_ver,
 434                 u32 brd_ver),
 435        TP_ARGS(dev, desc, tsf_low, data1, data2, line,
 436                blink1, blink2, ilink1, ilink2, bcon_time, gp1, gp2,
 437                gp3, ucode_ver, hw_ver, brd_ver),
 438        TP_STRUCT__entry(
 439                DEV_ENTRY
 440                __field(u32, desc)
 441                __field(u32, tsf_low)
 442                __field(u32, data1)
 443                __field(u32, data2)
 444                __field(u32, line)
 445                __field(u32, blink1)
 446                __field(u32, blink2)
 447                __field(u32, ilink1)
 448                __field(u32, ilink2)
 449                __field(u32, bcon_time)
 450                __field(u32, gp1)
 451                __field(u32, gp2)
 452                __field(u32, gp3)
 453                __field(u32, ucode_ver)
 454                __field(u32, hw_ver)
 455                __field(u32, brd_ver)
 456        ),
 457        TP_fast_assign(
 458                DEV_ASSIGN;
 459                __entry->desc = desc;
 460                __entry->tsf_low = tsf_low;
 461                __entry->data1 = data1;
 462                __entry->data2 = data2;
 463                __entry->line = line;
 464                __entry->blink1 = blink1;
 465                __entry->blink2 = blink2;
 466                __entry->ilink1 = ilink1;
 467                __entry->ilink2 = ilink2;
 468                __entry->bcon_time = bcon_time;
 469                __entry->gp1 = gp1;
 470                __entry->gp2 = gp2;
 471                __entry->gp3 = gp3;
 472                __entry->ucode_ver = ucode_ver;
 473                __entry->hw_ver = hw_ver;
 474                __entry->brd_ver = brd_ver;
 475        ),
 476        TP_printk("[%s] #%02d %010u data 0x%08X 0x%08X line %u, "
 477                  "blink 0x%05X 0x%05X ilink 0x%05X 0x%05X "
 478                  "bcon_tm %010u gp 0x%08X 0x%08X 0x%08X uCode 0x%08X "
 479                  "hw 0x%08X brd 0x%08X",
 480                  __get_str(dev), __entry->desc, __entry->tsf_low,
 481                  __entry->data1,
 482                  __entry->data2, __entry->line, __entry->blink1,
 483                  __entry->blink2, __entry->ilink1, __entry->ilink2,
 484                  __entry->bcon_time, __entry->gp1, __entry->gp2,
 485                  __entry->gp3, __entry->ucode_ver, __entry->hw_ver,
 486                  __entry->brd_ver)
 487);
 488
 489TRACE_EVENT(iwlwifi_dev_ucode_event,
 490        TP_PROTO(const struct device *dev, u32 time, u32 data, u32 ev),
 491        TP_ARGS(dev, time, data, ev),
 492        TP_STRUCT__entry(
 493                DEV_ENTRY
 494
 495                __field(u32, time)
 496                __field(u32, data)
 497                __field(u32, ev)
 498        ),
 499        TP_fast_assign(
 500                DEV_ASSIGN;
 501                __entry->time = time;
 502                __entry->data = data;
 503                __entry->ev = ev;
 504        ),
 505        TP_printk("[%s] EVT_LOGT:%010u:0x%08x:%04u",
 506                  __get_str(dev), __entry->time, __entry->data, __entry->ev)
 507);
 508#endif /* __IWLWIFI_DEVICE_TRACE */
 509
 510#undef TRACE_INCLUDE_PATH
 511#define TRACE_INCLUDE_PATH .
 512#undef TRACE_INCLUDE_FILE
 513#define TRACE_INCLUDE_FILE iwl-devtrace
 514#include <trace/define_trace.h>
 515