drivers/net/wireless/broadcom/brcm80211/brcmfmac/tracepoint.h

   1 // SPDX-License-Identifier: ISC
   2 /*
   3  * Copyright (c) 2013 Broadcom Corporation
   4  */
   5 #if !defined(BRCMF_TRACEPOINT_H_) || defined(TRACE_HEADER_MULTI_READ)
   6 #define BRCMF_TRACEPOINT_H_
   7
   8 #include <linux/types.h>
   9 #include <linux/tracepoint.h>
  10
  11 #ifndef CONFIG_BRCM_TRACING
  12
  13 #undef TRACE_EVENT
  14 #define TRACE_EVENT(name, proto, ...) \
  15 static inline void trace_ ## name(proto) {}
  16
  17 #undef DECLARE_EVENT_CLASS
  18 #define DECLARE_EVENT_CLASS(...)
  19
  20 #undef DEFINE_EVENT
  21 #define DEFINE_EVENT(evt_class, name, proto, ...) \
  22 static inline void trace_ ## name(proto) {}
  23
  24 #endif /* CONFIG_BRCM_TRACING */
  25
  26 #undef TRACE_SYSTEM
  27 #define TRACE_SYSTEM    brcmfmac
  28
  29 #define MAX_MSG_LEN             100
  30
  31 TRACE_EVENT(brcmf_err,
  32         TP_PROTO(const char *func, struct va_format *vaf),
  33         TP_ARGS(func, vaf),
  34         TP_STRUCT__entry(
  35                 __string(func, func)
  36                 __dynamic_array(char, msg, MAX_MSG_LEN)
  37         ),
  38         TP_fast_assign(
  39                 __assign_str(func, func);
  40                 WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
  41                                        MAX_MSG_LEN, vaf->fmt,
  42                                        *vaf->va) >= MAX_MSG_LEN);
  43         ),
  44         TP_printk("%s: %s", __get_str(func), __get_str(msg))
  45 );
  46
  47 TRACE_EVENT(brcmf_dbg,
  48         TP_PROTO(u32 level, const char *func, struct va_format *vaf),
  49         TP_ARGS(level, func, vaf),
  50         TP_STRUCT__entry(
  51                 __field(u32, level)
  52                 __string(func, func)
  53                 __dynamic_array(char, msg, MAX_MSG_LEN)
  54         ),
  55         TP_fast_assign(
  56                 __entry->level = level;
  57                 __assign_str(func, func);
  58                 WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
  59                                        MAX_MSG_LEN, vaf->fmt,
  60                                        *vaf->va) >= MAX_MSG_LEN);
  61         ),
  62         TP_printk("%s: %s", __get_str(func), __get_str(msg))
  63 );
  64
  65 TRACE_EVENT(brcmf_hexdump,
  66         TP_PROTO(void *data, size_t len),
  67         TP_ARGS(data, len),
  68         TP_STRUCT__entry(
  69                 __field(unsigned long, len)
  70                 __field(unsigned long, addr)
  71                 __dynamic_array(u8, hdata, len)
  72         ),
  73         TP_fast_assign(
  74                 __entry->len = len;
  75                 __entry->addr = (unsigned long)data;
  76                 memcpy(__get_dynamic_array(hdata), data, len);
  77         ),
  78         TP_printk("hexdump [addr=%lx, length=%lu]", __entry->addr, __entry->len)
  79 );
  80
  81 TRACE_EVENT(brcmf_bcdchdr,
  82         TP_PROTO(void *data),
  83         TP_ARGS(data),
  84         TP_STRUCT__entry(
  85                 __field(u8, flags)
  86                 __field(u8, prio)
  87                 __field(u8, flags2)
  88                 __field(u32, siglen)
  89                 __dynamic_array(u8, signal, *((u8 *)data + 3) * 4)
  90         ),
  91         TP_fast_assign(
  92                 __entry->flags = *(u8 *)data;
  93                 __entry->prio = *((u8 *)data + 1);
  94                 __entry->flags2 = *((u8 *)data + 2);
  95                 __entry->siglen = *((u8 *)data + 3) * 4;
  96                 memcpy(__get_dynamic_array(signal),
  97                        (u8 *)data + 4, __entry->siglen);
  98         ),
  99         TP_printk("bcdc: prio=%d siglen=%d", __entry->prio, __entry->siglen)
 100 );
 101
 102 #ifndef SDPCM_RX
 103 #define SDPCM_RX        0
 104 #endif
 105 #ifndef SDPCM_TX
 106 #define SDPCM_TX        1
 107 #endif
 108 #ifndef SDPCM_GLOM
 109 #define SDPCM_GLOM      2
 110 #endif
 111
 112 TRACE_EVENT(brcmf_sdpcm_hdr,
 113         TP_PROTO(u8 dir, void *data),
 114         TP_ARGS(dir, data),
 115         TP_STRUCT__entry(
 116                 __field(u8, dir)
 117                 __field(u16, len)
 118                 __dynamic_array(u8, hdr, dir == SDPCM_GLOM ? 20 : 12)
 119         ),
 120         TP_fast_assign(
 121                 memcpy(__get_dynamic_array(hdr), data, dir == SDPCM_GLOM ? 20 : 12);
 122                 __entry->len = *(u8 *)data | (*((u8 *)data + 1) << 8);
 123                 __entry->dir = dir;
 124         ),
 125         TP_printk("sdpcm: %s len %u, seq %d",
 126                   __entry->dir == SDPCM_RX ? "RX" : "TX",
 127                   __entry->len, ((u8 *)__get_dynamic_array(hdr))[4])
 128 );
 129
 130 #ifdef CONFIG_BRCM_TRACING
 131
 132 #undef TRACE_INCLUDE_PATH
 133 #define TRACE_INCLUDE_PATH .
 134 #undef TRACE_INCLUDE_FILE
 135 #define TRACE_INCLUDE_FILE tracepoint
 136
 137 #include <trace/define_trace.h>
 138
 139 #endif /* CONFIG_BRCM_TRACING */
 140
 141 #endif /* BRCMF_TRACEPOINT_H_ */