trace/events/devlink.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #if IS_ENABLED(CONFIG_NET_DEVLINK)
0003
0004 #undef TRACE_SYSTEM
0005 #define TRACE_SYSTEM devlink
0006
0007 #if !defined(_TRACE_DEVLINK_H) || defined(TRACE_HEADER_MULTI_READ)
0008 #define _TRACE_DEVLINK_H
0009
0010 #include <linux/device.h>
0011 #include <net/devlink.h>
0012 #include <linux/tracepoint.h>
0013
0014 /*
0015  * Tracepoint for devlink hardware message:
0016  */
0017 TRACE_EVENT(devlink_hwmsg,
0018     TP_PROTO(const struct devlink *devlink, bool incoming,
0019          unsigned long type, const u8 *buf, size_t len),
0020
0021     TP_ARGS(devlink, incoming, type, buf, len),
0022
0023     TP_STRUCT__entry(
0024         __string(bus_name, devlink_to_dev(devlink)->bus->name)
0025         __string(dev_name, dev_name(devlink_to_dev(devlink)))
0026         __string(driver_name, devlink_to_dev(devlink)->driver->name)
0027         __field(bool, incoming)
0028         __field(unsigned long, type)
0029         __dynamic_array(u8, buf, len)
0030         __field(size_t, len)
0031     ),
0032
0033     TP_fast_assign(
0034         __assign_str(bus_name, devlink_to_dev(devlink)->bus->name);
0035         __assign_str(dev_name, dev_name(devlink_to_dev(devlink)));
0036         __assign_str(driver_name, devlink_to_dev(devlink)->driver->name);
0037         __entry->incoming = incoming;
0038         __entry->type = type;
0039         memcpy(__get_dynamic_array(buf), buf, len);
0040         __entry->len = len;
0041     ),
0042
0043     TP_printk("bus_name=%s dev_name=%s driver_name=%s incoming=%d type=%lu buf=0x[%*phD] len=%zu",
0044           __get_str(bus_name), __get_str(dev_name),
0045           __get_str(driver_name), __entry->incoming, __entry->type,
0046           (int) __entry->len, __get_dynamic_array(buf), __entry->len)
0047 );
0048
0049 /*
0050  * Tracepoint for devlink hardware error:
0051  */
0052 TRACE_EVENT(devlink_hwerr,
0053     TP_PROTO(const struct devlink *devlink, int err, const char *msg),
0054
0055     TP_ARGS(devlink, err, msg),
0056
0057     TP_STRUCT__entry(
0058         __string(bus_name, devlink_to_dev(devlink)->bus->name)
0059         __string(dev_name, dev_name(devlink_to_dev(devlink)))
0060         __string(driver_name, devlink_to_dev(devlink)->driver->name)
0061         __field(int, err)
0062         __string(msg, msg)
0063         ),
0064
0065     TP_fast_assign(
0066         __assign_str(bus_name, devlink_to_dev(devlink)->bus->name);
0067         __assign_str(dev_name, dev_name(devlink_to_dev(devlink)));
0068         __assign_str(driver_name, devlink_to_dev(devlink)->driver->name);
0069         __entry->err = err;
0070         __assign_str(msg, msg);
0071         ),
0072
0073     TP_printk("bus_name=%s dev_name=%s driver_name=%s err=%d %s",
0074             __get_str(bus_name), __get_str(dev_name),
0075             __get_str(driver_name), __entry->err, __get_str(msg))
0076 );
0077
0078 /*
0079  * Tracepoint for devlink health message:
0080  */
0081 TRACE_EVENT(devlink_health_report,
0082     TP_PROTO(const struct devlink *devlink, const char *reporter_name,
0083          const char *msg),
0084
0085     TP_ARGS(devlink, reporter_name, msg),
0086
0087     TP_STRUCT__entry(
0088         __string(bus_name, devlink_to_dev(devlink)->bus->name)
0089         __string(dev_name, dev_name(devlink_to_dev(devlink)))
0090         __string(driver_name, devlink_to_dev(devlink)->driver->name)
0091         __string(reporter_name, msg)
0092         __string(msg, msg)
0093     ),
0094
0095     TP_fast_assign(
0096         __assign_str(bus_name, devlink_to_dev(devlink)->bus->name);
0097         __assign_str(dev_name, dev_name(devlink_to_dev(devlink)));
0098         __assign_str(driver_name, devlink_to_dev(devlink)->driver->name);
0099         __assign_str(reporter_name, reporter_name);
0100         __assign_str(msg, msg);
0101     ),
0102
0103     TP_printk("bus_name=%s dev_name=%s driver_name=%s reporter_name=%s: %s",
0104           __get_str(bus_name), __get_str(dev_name),
0105           __get_str(driver_name), __get_str(reporter_name),
0106           __get_str(msg))
0107 );
0108
0109 /*
0110  * Tracepoint for devlink health recover aborted message:
0111  */
0112 TRACE_EVENT(devlink_health_recover_aborted,
0113     TP_PROTO(const struct devlink *devlink, const char *reporter_name,
0114          bool health_state, u64 time_since_last_recover),
0115
0116     TP_ARGS(devlink, reporter_name, health_state, time_since_last_recover),
0117
0118     TP_STRUCT__entry(
0119         __string(bus_name, devlink_to_dev(devlink)->bus->name)
0120         __string(dev_name, dev_name(devlink_to_dev(devlink)))
0121         __string(driver_name, devlink_to_dev(devlink)->driver->name)
0122         __string(reporter_name, reporter_name)
0123         __field(bool, health_state)
0124         __field(u64, time_since_last_recover)
0125     ),
0126
0127     TP_fast_assign(
0128         __assign_str(bus_name, devlink_to_dev(devlink)->bus->name);
0129         __assign_str(dev_name, dev_name(devlink_to_dev(devlink)));
0130         __assign_str(driver_name, devlink_to_dev(devlink)->driver->name);
0131         __assign_str(reporter_name, reporter_name);
0132         __entry->health_state = health_state;
0133         __entry->time_since_last_recover = time_since_last_recover;
0134     ),
0135
0136     TP_printk("bus_name=%s dev_name=%s driver_name=%s reporter_name=%s: health_state=%d time_since_last_recover=%llu recover aborted",
0137           __get_str(bus_name), __get_str(dev_name),
0138           __get_str(driver_name), __get_str(reporter_name),
0139           __entry->health_state,
0140           __entry->time_since_last_recover)
0141 );
0142
0143 /*
0144  * Tracepoint for devlink health reporter state update:
0145  */
0146 TRACE_EVENT(devlink_health_reporter_state_update,
0147     TP_PROTO(const struct devlink *devlink, const char *reporter_name,
0148          bool new_state),
0149
0150     TP_ARGS(devlink, reporter_name, new_state),
0151
0152     TP_STRUCT__entry(
0153         __string(bus_name, devlink_to_dev(devlink)->bus->name)
0154         __string(dev_name, dev_name(devlink_to_dev(devlink)))
0155         __string(driver_name, devlink_to_dev(devlink)->driver->name)
0156         __string(reporter_name, reporter_name)
0157         __field(u8, new_state)
0158     ),
0159
0160     TP_fast_assign(
0161         __assign_str(bus_name, devlink_to_dev(devlink)->bus->name);
0162         __assign_str(dev_name, dev_name(devlink_to_dev(devlink)));
0163         __assign_str(driver_name, devlink_to_dev(devlink)->driver->name);
0164         __assign_str(reporter_name, reporter_name);
0165         __entry->new_state = new_state;
0166     ),
0167
0168     TP_printk("bus_name=%s dev_name=%s driver_name=%s reporter_name=%s: new_state=%d",
0169           __get_str(bus_name), __get_str(dev_name),
0170           __get_str(driver_name), __get_str(reporter_name),
0171           __entry->new_state)
0172 );
0173
0174 /*
0175  * Tracepoint for devlink packet trap:
0176  */
0177 TRACE_EVENT(devlink_trap_report,
0178     TP_PROTO(const struct devlink *devlink, struct sk_buff *skb,
0179          const struct devlink_trap_metadata *metadata),
0180
0181     TP_ARGS(devlink, skb, metadata),
0182
0183     TP_STRUCT__entry(
0184         __string(bus_name, devlink_to_dev(devlink)->bus->name)
0185         __string(dev_name, dev_name(devlink_to_dev(devlink)))
0186         __string(driver_name, devlink_to_dev(devlink)->driver->name)
0187         __string(trap_name, metadata->trap_name)
0188         __string(trap_group_name, metadata->trap_group_name)
0189         __array(char, input_dev_name, IFNAMSIZ)
0190     ),
0191
0192     TP_fast_assign(
0193         struct net_device *input_dev = metadata->input_dev;
0194
0195         __assign_str(bus_name, devlink_to_dev(devlink)->bus->name);
0196         __assign_str(dev_name, dev_name(devlink_to_dev(devlink)));
0197         __assign_str(driver_name, devlink_to_dev(devlink)->driver->name);
0198         __assign_str(trap_name, metadata->trap_name);
0199         __assign_str(trap_group_name, metadata->trap_group_name);
0200         strscpy(__entry->input_dev_name, input_dev ? input_dev->name : "NULL", IFNAMSIZ);
0201     ),
0202
0203     TP_printk("bus_name=%s dev_name=%s driver_name=%s trap_name=%s "
0204           "trap_group_name=%s input_dev_name=%s", __get_str(bus_name),
0205           __get_str(dev_name), __get_str(driver_name),
0206           __get_str(trap_name), __get_str(trap_group_name),
0207           __entry->input_dev_name)
0208 );
0209
0210 #endif /* _TRACE_DEVLINK_H */
0211
0212 /* This part must be outside protection */
0213 #include <trace/define_trace.h>
0214
0215 #else /* CONFIG_NET_DEVLINK */
0216
0217 #if !defined(_TRACE_DEVLINK_H)
0218 #define _TRACE_DEVLINK_H
0219
0220 #include <net/devlink.h>
0221
0222 static inline void trace_devlink_hwmsg(const struct devlink *devlink,
0223                        bool incoming, unsigned long type,
0224                        const u8 *buf, size_t len)
0225 {
0226 }
0227
0228 static inline void trace_devlink_hwerr(const struct devlink *devlink,
0229                        int err, const char *msg)
0230 {
0231 }
0232 #endif /* _TRACE_DEVLINK_H */
0233
0234 #endif