events/devlink.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #if IS_ENABLED(CONFIG_NET_DEVLINK)
   3
   4 #undef TRACE_SYSTEM
   5 #define TRACE_SYSTEM devlink
   6
   7 #if !defined(_TRACE_DEVLINK_H) || defined(TRACE_HEADER_MULTI_READ)
   8 #define _TRACE_DEVLINK_H
   9
  10 #include <linux/device.h>
  11 #include <net/devlink.h>
  12 #include <linux/tracepoint.h>
  13
  14 /*
  15  * Tracepoint for devlink hardware message:
  16  */
  17 TRACE_EVENT(devlink_hwmsg,
  18         TP_PROTO(const struct devlink *devlink, bool incoming,
  19                  unsigned long type, const u8 *buf, size_t len),
  20
  21         TP_ARGS(devlink, incoming, type, buf, len),
  22
  23         TP_STRUCT__entry(
  24                 __string(bus_name, devlink_to_dev(devlink)->bus->name)
  25                 __string(dev_name, dev_name(devlink_to_dev(devlink)))
  26                 __string(driver_name, devlink_to_dev(devlink)->driver->name)
  27                 __field(bool, incoming)
  28                 __field(unsigned long, type)
  29                 __dynamic_array(u8, buf, len)
  30                 __field(size_t, len)
  31         ),
  32
  33         TP_fast_assign(
  34                 __assign_str(bus_name, devlink_to_dev(devlink)->bus->name);
  35                 __assign_str(dev_name, dev_name(devlink_to_dev(devlink)));
  36                 __assign_str(driver_name, devlink_to_dev(devlink)->driver->name);
  37                 __entry->incoming = incoming;
  38                 __entry->type = type;
  39                 memcpy(__get_dynamic_array(buf), buf, len);
  40                 __entry->len = len;
  41         ),
  42
  43         TP_printk("bus_name=%s dev_name=%s driver_name=%s incoming=%d type=%lu buf=0x[%*phD] len=%zu",
  44                   __get_str(bus_name), __get_str(dev_name),
  45                   __get_str(driver_name), __entry->incoming, __entry->type,
  46                   (int) __entry->len, __get_dynamic_array(buf), __entry->len)
  47 );
  48
  49 /*
  50  * Tracepoint for devlink hardware error:
  51  */
  52 TRACE_EVENT(devlink_hwerr,
  53         TP_PROTO(const struct devlink *devlink, int err, const char *msg),
  54
  55         TP_ARGS(devlink, err, msg),
  56
  57         TP_STRUCT__entry(
  58                 __string(bus_name, devlink_to_dev(devlink)->bus->name)
  59                 __string(dev_name, dev_name(devlink_to_dev(devlink)))
  60                 __string(driver_name, devlink_to_dev(devlink)->driver->name)
  61                 __field(int, err)
  62                 __string(msg, msg)
  63                 ),
  64
  65         TP_fast_assign(
  66                 __assign_str(bus_name, devlink_to_dev(devlink)->bus->name);
  67                 __assign_str(dev_name, dev_name(devlink_to_dev(devlink)));
  68                 __assign_str(driver_name, devlink_to_dev(devlink)->driver->name);
  69                 __entry->err = err;
  70                 __assign_str(msg, msg);
  71                 ),
  72
  73         TP_printk("bus_name=%s dev_name=%s driver_name=%s err=%d %s",
  74                         __get_str(bus_name), __get_str(dev_name),
  75                         __get_str(driver_name), __entry->err, __get_str(msg))
  76 );
  77
  78 /*
  79  * Tracepoint for devlink health message:
  80  */
  81 TRACE_EVENT(devlink_health_report,
  82         TP_PROTO(const struct devlink *devlink, const char *reporter_name,
  83                  const char *msg),
  84
  85         TP_ARGS(devlink, reporter_name, msg),
  86
  87         TP_STRUCT__entry(
  88                 __string(bus_name, devlink_to_dev(devlink)->bus->name)
  89                 __string(dev_name, dev_name(devlink_to_dev(devlink)))
  90                 __string(driver_name, devlink_to_dev(devlink)->driver->name)
  91                 __string(reporter_name, reporter_name)
  92                 __string(msg, msg)
  93         ),
  94
  95         TP_fast_assign(
  96                 __assign_str(bus_name, devlink_to_dev(devlink)->bus->name);
  97                 __assign_str(dev_name, dev_name(devlink_to_dev(devlink)));
  98                 __assign_str(driver_name, devlink_to_dev(devlink)->driver->name);
  99                 __assign_str(reporter_name, reporter_name);
 100                 __assign_str(msg, msg);
 101         ),
 102
 103         TP_printk("bus_name=%s dev_name=%s driver_name=%s reporter_name=%s: %s",
 104                   __get_str(bus_name), __get_str(dev_name),
 105                   __get_str(driver_name), __get_str(reporter_name),
 106                   __get_str(msg))
 107 );
 108
 109 /*
 110  * Tracepoint for devlink health recover aborted message:
 111  */
 112 TRACE_EVENT(devlink_health_recover_aborted,
 113         TP_PROTO(const struct devlink *devlink, const char *reporter_name,
 114                  bool health_state, u64 time_since_last_recover),
 115
 116         TP_ARGS(devlink, reporter_name, health_state, time_since_last_recover),
 117
 118         TP_STRUCT__entry(
 119                 __string(bus_name, devlink_to_dev(devlink)->bus->name)
 120                 __string(dev_name, dev_name(devlink_to_dev(devlink)))
 121                 __string(driver_name, devlink_to_dev(devlink)->driver->name)
 122                 __string(reporter_name, reporter_name)
 123                 __field(bool, health_state)
 124                 __field(u64, time_since_last_recover)
 125         ),
 126
 127         TP_fast_assign(
 128                 __assign_str(bus_name, devlink_to_dev(devlink)->bus->name);
 129                 __assign_str(dev_name, dev_name(devlink_to_dev(devlink)));
 130                 __assign_str(driver_name, devlink_to_dev(devlink)->driver->name);
 131                 __assign_str(reporter_name, reporter_name);
 132                 __entry->health_state = health_state;
 133                 __entry->time_since_last_recover = time_since_last_recover;
 134         ),
 135
 136         TP_printk("bus_name=%s dev_name=%s driver_name=%s reporter_name=%s: health_state=%d time_since_last_recover=%llu recover aborted",
 137                   __get_str(bus_name), __get_str(dev_name),
 138                   __get_str(driver_name), __get_str(reporter_name),
 139                   __entry->health_state,
 140                   __entry->time_since_last_recover)
 141 );
 142
 143 /*
 144  * Tracepoint for devlink health reporter state update:
 145  */
 146 TRACE_EVENT(devlink_health_reporter_state_update,
 147         TP_PROTO(const struct devlink *devlink, const char *reporter_name,
 148                  bool new_state),
 149
 150         TP_ARGS(devlink, reporter_name, new_state),
 151
 152         TP_STRUCT__entry(
 153                 __string(bus_name, devlink_to_dev(devlink)->bus->name)
 154                 __string(dev_name, dev_name(devlink_to_dev(devlink)))
 155                 __string(driver_name, devlink_to_dev(devlink)->driver->name)
 156                 __string(reporter_name, reporter_name)
 157                 __field(u8, new_state)
 158         ),
 159
 160         TP_fast_assign(
 161                 __assign_str(bus_name, devlink_to_dev(devlink)->bus->name);
 162                 __assign_str(dev_name, dev_name(devlink_to_dev(devlink)));
 163                 __assign_str(driver_name, devlink_to_dev(devlink)->driver->name);
 164                 __assign_str(reporter_name, reporter_name);
 165                 __entry->new_state = new_state;
 166         ),
 167
 168         TP_printk("bus_name=%s dev_name=%s driver_name=%s reporter_name=%s: new_state=%d",
 169                   __get_str(bus_name), __get_str(dev_name),
 170                   __get_str(driver_name), __get_str(reporter_name),
 171                   __entry->new_state)
 172 );
 173
 174 /*
 175  * Tracepoint for devlink packet trap:
 176  */
 177 TRACE_EVENT(devlink_trap_report,
 178         TP_PROTO(const struct devlink *devlink, struct sk_buff *skb,
 179                  const struct devlink_trap_metadata *metadata),
 180
 181         TP_ARGS(devlink, skb, metadata),
 182
 183         TP_STRUCT__entry(
 184                 __string(bus_name, devlink_to_dev(devlink)->bus->name)
 185                 __string(dev_name, dev_name(devlink_to_dev(devlink)))
 186                 __string(driver_name, devlink_to_dev(devlink)->driver->name)
 187                 __string(trap_name, metadata->trap_name)
 188                 __string(trap_group_name, metadata->trap_group_name)
 189                 __array(char, input_dev_name, IFNAMSIZ)
 190         ),
 191
 192         TP_fast_assign(
 193                 struct net_device *input_dev = metadata->input_dev;
 194
 195                 __assign_str(bus_name, devlink_to_dev(devlink)->bus->name);
 196                 __assign_str(dev_name, dev_name(devlink_to_dev(devlink)));
 197                 __assign_str(driver_name, devlink_to_dev(devlink)->driver->name);
 198                 __assign_str(trap_name, metadata->trap_name);
 199                 __assign_str(trap_group_name, metadata->trap_group_name);
 200                 strscpy(__entry->input_dev_name, input_dev ? input_dev->name : "NULL", IFNAMSIZ);
 201         ),
 202
 203         TP_printk("bus_name=%s dev_name=%s driver_name=%s trap_name=%s "
 204                   "trap_group_name=%s input_dev_name=%s", __get_str(bus_name),
 205                   __get_str(dev_name), __get_str(driver_name),
 206                   __get_str(trap_name), __get_str(trap_group_name),
 207                   __entry->input_dev_name)
 208 );
 209
 210 #endif /* _TRACE_DEVLINK_H */
 211
 212 /* This part must be outside protection */
 213 #include <trace/define_trace.h>
 214
 215 #else /* CONFIG_NET_DEVLINK */
 216
 217 #if !defined(_TRACE_DEVLINK_H)
 218 #define _TRACE_DEVLINK_H
 219
 220 #include <net/devlink.h>
 221
 222 static inline void trace_devlink_hwmsg(const struct devlink *devlink,
 223                                        bool incoming, unsigned long type,
 224                                        const u8 *buf, size_t len)
 225 {
 226 }
 227
 228 static inline void trace_devlink_hwerr(const struct devlink *devlink,
 229                                        int err, const char *msg)
 230 {
 231 }
 232 #endif /* _TRACE_DEVLINK_H */
 233
 234 #endif