drivers/net/wireless/brcm80211/brcmsmac/brcms_trace_events.h

   1 /*
   2  * Copyright (c) 2011 Broadcom Corporation
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  11  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
  13  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  14  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #if !defined(__TRACE_BRCMSMAC_H) || defined(TRACE_HEADER_MULTI_READ)
  18
  19 #define __TRACE_BRCMSMAC_H
  20
  21 #include <linux/types.h>
  22 #include <linux/device.h>
  23 #include <linux/tracepoint.h>
  24 #include "mac80211_if.h"
  25
  26 #ifndef CONFIG_BRCM_TRACING
  27 #undef TRACE_EVENT
  28 #define TRACE_EVENT(name, proto, ...) \
  29 static inline void trace_ ## name(proto) {}
  30 #undef DECLARE_EVENT_CLASS
  31 #define DECLARE_EVENT_CLASS(...)
  32 #undef DEFINE_EVENT
  33 #define DEFINE_EVENT(evt_class, name, proto, ...) \
  34 static inline void trace_ ## name(proto) {}
  35 #endif
  36
  37 #undef TRACE_SYSTEM
  38 #define TRACE_SYSTEM brcmsmac
  39
  40 /*
  41  * We define a tracepoint, its arguments, its printk format and its
  42  * 'fast binary record' layout.
  43  */
  44 TRACE_EVENT(brcms_timer,
  45         /* TPPROTO is the prototype of the function called by this tracepoint */
  46         TP_PROTO(struct brcms_timer *t),
  47         /*
  48          * TPARGS(firstarg, p) are the parameters names, same as found in the
  49          * prototype.
  50          */
  51         TP_ARGS(t),
  52         /*
  53          * Fast binary tracing: define the trace record via TP_STRUCT__entry().
  54          * You can think about it like a regular C structure local variable
  55          * definition.
  56          */
  57         TP_STRUCT__entry(
  58                 __field(uint, ms)
  59                 __field(uint, set)
  60                 __field(uint, periodic)
  61         ),
  62         TP_fast_assign(
  63                 __entry->ms = t->ms;
  64                 __entry->set = t->set;
  65                 __entry->periodic = t->periodic;
  66         ),
  67         TP_printk(
  68                 "ms=%u set=%u periodic=%u",
  69                 __entry->ms, __entry->set, __entry->periodic
  70         )
  71 );
  72
  73 TRACE_EVENT(brcms_dpc,
  74         TP_PROTO(unsigned long data),
  75         TP_ARGS(data),
  76         TP_STRUCT__entry(
  77                 __field(unsigned long, data)
  78         ),
  79         TP_fast_assign(
  80                 __entry->data = data;
  81         ),
  82         TP_printk(
  83                 "data=%p",
  84                 (void *)__entry->data
  85         )
  86 );
  87
  88 #undef TRACE_SYSTEM
  89 #define TRACE_SYSTEM brcmsmac_tx
  90
  91 TRACE_EVENT(brcms_txdesc,
  92         TP_PROTO(const struct device *dev,
  93                  void *txh, size_t txh_len),
  94         TP_ARGS(dev, txh, txh_len),
  95         TP_STRUCT__entry(
  96                 __string(dev, dev_name(dev))
  97                 __dynamic_array(u8, txh, txh_len)
  98         ),
  99         TP_fast_assign(
 100                 __assign_str(dev, dev_name(dev));
 101                 memcpy(__get_dynamic_array(txh), txh, txh_len);
 102         ),
 103         TP_printk("[%s] txdesc", __get_str(dev))
 104 );
 105
 106 TRACE_EVENT(brcms_txstatus,
 107         TP_PROTO(const struct device *dev, u16 framelen, u16 frameid,
 108                  u16 status, u16 lasttxtime, u16 sequence, u16 phyerr,
 109                  u16 ackphyrxsh),
 110         TP_ARGS(dev, framelen, frameid, status, lasttxtime, sequence, phyerr,
 111                 ackphyrxsh),
 112         TP_STRUCT__entry(
 113                 __string(dev, dev_name(dev))
 114                 __field(u16, framelen)
 115                 __field(u16, frameid)
 116                 __field(u16, status)
 117                 __field(u16, lasttxtime)
 118                 __field(u16, sequence)
 119                 __field(u16, phyerr)
 120                 __field(u16, ackphyrxsh)
 121         ),
 122         TP_fast_assign(
 123                 __assign_str(dev, dev_name(dev));
 124                 __entry->framelen = framelen;
 125                 __entry->frameid = frameid;
 126                 __entry->status = status;
 127                 __entry->lasttxtime = lasttxtime;
 128                 __entry->sequence = sequence;
 129                 __entry->phyerr = phyerr;
 130                 __entry->ackphyrxsh = ackphyrxsh;
 131         ),
 132         TP_printk("[%s] FrameId %#04x TxStatus %#04x LastTxTime %#04x "
 133                   "Seq %#04x PHYTxStatus %#04x RxAck %#04x",
 134                   __get_str(dev), __entry->frameid, __entry->status,
 135                   __entry->lasttxtime, __entry->sequence, __entry->phyerr,
 136                   __entry->ackphyrxsh)
 137 );
 138
 139 #undef TRACE_SYSTEM
 140 #define TRACE_SYSTEM brcmsmac_msg
 141
 142 #define MAX_MSG_LEN     100
 143
 144 DECLARE_EVENT_CLASS(brcms_msg_event,
 145         TP_PROTO(struct va_format *vaf),
 146         TP_ARGS(vaf),
 147         TP_STRUCT__entry(
 148                 __dynamic_array(char, msg, MAX_MSG_LEN)
 149         ),
 150         TP_fast_assign(
 151                 WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
 152                                        MAX_MSG_LEN, vaf->fmt,
 153                                        *vaf->va) >= MAX_MSG_LEN);
 154         ),
 155         TP_printk("%s", __get_str(msg))
 156 );
 157
 158 DEFINE_EVENT(brcms_msg_event, brcms_info,
 159         TP_PROTO(struct va_format *vaf),
 160         TP_ARGS(vaf)
 161 );
 162
 163 DEFINE_EVENT(brcms_msg_event, brcms_warn,
 164         TP_PROTO(struct va_format *vaf),
 165         TP_ARGS(vaf)
 166 );
 167
 168 DEFINE_EVENT(brcms_msg_event, brcms_err,
 169         TP_PROTO(struct va_format *vaf),
 170         TP_ARGS(vaf)
 171 );
 172
 173 DEFINE_EVENT(brcms_msg_event, brcms_crit,
 174         TP_PROTO(struct va_format *vaf),
 175         TP_ARGS(vaf)
 176 );
 177
 178 TRACE_EVENT(brcms_dbg,
 179         TP_PROTO(u32 level, const char *func, struct va_format *vaf),
 180         TP_ARGS(level, func, vaf),
 181         TP_STRUCT__entry(
 182                 __field(u32, level)
 183                 __string(func, func)
 184                 __dynamic_array(char, msg, MAX_MSG_LEN)
 185         ),
 186         TP_fast_assign(
 187                 __entry->level = level;
 188                 __assign_str(func, func);
 189                 WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
 190                                        MAX_MSG_LEN, vaf->fmt,
 191                                        *vaf->va) >= MAX_MSG_LEN);
 192         ),
 193         TP_printk("%s: %s", __get_str(func), __get_str(msg))
 194 );
 195
 196 #endif /* __TRACE_BRCMSMAC_H */
 197
 198 #ifdef CONFIG_BRCM_TRACING
 199
 200 #undef TRACE_INCLUDE_PATH
 201 #define TRACE_INCLUDE_PATH .
 202 #undef TRACE_INCLUDE_FILE
 203 #define TRACE_INCLUDE_FILE brcms_trace_events
 204
 205 #include <trace/define_trace.h>
 206
 207 #endif /* CONFIG_BRCM_TRACING */