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-rw-r--r--include/trace/events/devlink.h234
1 files changed, 234 insertions, 0 deletions
diff --git a/include/trace/events/devlink.h b/include/trace/events/devlink.h
new file mode 100644
index 0000000000..77ff7cfc60
--- /dev/null
+++ b/include/trace/events/devlink.h
@@ -0,0 +1,234 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#if IS_ENABLED(CONFIG_NET_DEVLINK)
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM devlink
+
+#if !defined(_TRACE_DEVLINK_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_DEVLINK_H
+
+#include <linux/device.h>
+#include <net/devlink.h>
+#include <linux/tracepoint.h>
+
+/*
+ * Tracepoint for devlink hardware message:
+ */
+TRACE_EVENT(devlink_hwmsg,
+ TP_PROTO(const struct devlink *devlink, bool incoming,
+ unsigned long type, const u8 *buf, size_t len),
+
+ TP_ARGS(devlink, incoming, type, buf, len),
+
+ TP_STRUCT__entry(
+ __string(bus_name, devlink_to_dev(devlink)->bus->name)
+ __string(dev_name, dev_name(devlink_to_dev(devlink)))
+ __string(driver_name, devlink_to_dev(devlink)->driver->name)
+ __field(bool, incoming)
+ __field(unsigned long, type)
+ __dynamic_array(u8, buf, len)
+ __field(size_t, len)
+ ),
+
+ TP_fast_assign(
+ __assign_str(bus_name, devlink_to_dev(devlink)->bus->name);
+ __assign_str(dev_name, dev_name(devlink_to_dev(devlink)));
+ __assign_str(driver_name, devlink_to_dev(devlink)->driver->name);
+ __entry->incoming = incoming;
+ __entry->type = type;
+ memcpy(__get_dynamic_array(buf), buf, len);
+ __entry->len = len;
+ ),
+
+ TP_printk("bus_name=%s dev_name=%s driver_name=%s incoming=%d type=%lu buf=0x[%*phD] len=%zu",
+ __get_str(bus_name), __get_str(dev_name),
+ __get_str(driver_name), __entry->incoming, __entry->type,
+ (int) __entry->len, __get_dynamic_array(buf), __entry->len)
+);
+
+/*
+ * Tracepoint for devlink hardware error:
+ */
+TRACE_EVENT(devlink_hwerr,
+ TP_PROTO(const struct devlink *devlink, int err, const char *msg),
+
+ TP_ARGS(devlink, err, msg),
+
+ TP_STRUCT__entry(
+ __string(bus_name, devlink_to_dev(devlink)->bus->name)
+ __string(dev_name, dev_name(devlink_to_dev(devlink)))
+ __string(driver_name, devlink_to_dev(devlink)->driver->name)
+ __field(int, err)
+ __string(msg, msg)
+ ),
+
+ TP_fast_assign(
+ __assign_str(bus_name, devlink_to_dev(devlink)->bus->name);
+ __assign_str(dev_name, dev_name(devlink_to_dev(devlink)));
+ __assign_str(driver_name, devlink_to_dev(devlink)->driver->name);
+ __entry->err = err;
+ __assign_str(msg, msg);
+ ),
+
+ TP_printk("bus_name=%s dev_name=%s driver_name=%s err=%d %s",
+ __get_str(bus_name), __get_str(dev_name),
+ __get_str(driver_name), __entry->err, __get_str(msg))
+);
+
+/*
+ * Tracepoint for devlink health message:
+ */
+TRACE_EVENT(devlink_health_report,
+ TP_PROTO(const struct devlink *devlink, const char *reporter_name,
+ const char *msg),
+
+ TP_ARGS(devlink, reporter_name, msg),
+
+ TP_STRUCT__entry(
+ __string(bus_name, devlink_to_dev(devlink)->bus->name)
+ __string(dev_name, dev_name(devlink_to_dev(devlink)))
+ __string(driver_name, devlink_to_dev(devlink)->driver->name)
+ __string(reporter_name, reporter_name)
+ __string(msg, msg)
+ ),
+
+ TP_fast_assign(
+ __assign_str(bus_name, devlink_to_dev(devlink)->bus->name);
+ __assign_str(dev_name, dev_name(devlink_to_dev(devlink)));
+ __assign_str(driver_name, devlink_to_dev(devlink)->driver->name);
+ __assign_str(reporter_name, reporter_name);
+ __assign_str(msg, msg);
+ ),
+
+ TP_printk("bus_name=%s dev_name=%s driver_name=%s reporter_name=%s: %s",
+ __get_str(bus_name), __get_str(dev_name),
+ __get_str(driver_name), __get_str(reporter_name),
+ __get_str(msg))
+);
+
+/*
+ * Tracepoint for devlink health recover aborted message:
+ */
+TRACE_EVENT(devlink_health_recover_aborted,
+ TP_PROTO(const struct devlink *devlink, const char *reporter_name,
+ bool health_state, u64 time_since_last_recover),
+
+ TP_ARGS(devlink, reporter_name, health_state, time_since_last_recover),
+
+ TP_STRUCT__entry(
+ __string(bus_name, devlink_to_dev(devlink)->bus->name)
+ __string(dev_name, dev_name(devlink_to_dev(devlink)))
+ __string(driver_name, devlink_to_dev(devlink)->driver->name)
+ __string(reporter_name, reporter_name)
+ __field(bool, health_state)
+ __field(u64, time_since_last_recover)
+ ),
+
+ TP_fast_assign(
+ __assign_str(bus_name, devlink_to_dev(devlink)->bus->name);
+ __assign_str(dev_name, dev_name(devlink_to_dev(devlink)));
+ __assign_str(driver_name, devlink_to_dev(devlink)->driver->name);
+ __assign_str(reporter_name, reporter_name);
+ __entry->health_state = health_state;
+ __entry->time_since_last_recover = time_since_last_recover;
+ ),
+
+ TP_printk("bus_name=%s dev_name=%s driver_name=%s reporter_name=%s: health_state=%d time_since_last_recover=%llu recover aborted",
+ __get_str(bus_name), __get_str(dev_name),
+ __get_str(driver_name), __get_str(reporter_name),
+ __entry->health_state,
+ __entry->time_since_last_recover)
+);
+
+/*
+ * Tracepoint for devlink health reporter state update:
+ */
+TRACE_EVENT(devlink_health_reporter_state_update,
+ TP_PROTO(const struct devlink *devlink, const char *reporter_name,
+ bool new_state),
+
+ TP_ARGS(devlink, reporter_name, new_state),
+
+ TP_STRUCT__entry(
+ __string(bus_name, devlink_to_dev(devlink)->bus->name)
+ __string(dev_name, dev_name(devlink_to_dev(devlink)))
+ __string(driver_name, devlink_to_dev(devlink)->driver->name)
+ __string(reporter_name, reporter_name)
+ __field(u8, new_state)
+ ),
+
+ TP_fast_assign(
+ __assign_str(bus_name, devlink_to_dev(devlink)->bus->name);
+ __assign_str(dev_name, dev_name(devlink_to_dev(devlink)));
+ __assign_str(driver_name, devlink_to_dev(devlink)->driver->name);
+ __assign_str(reporter_name, reporter_name);
+ __entry->new_state = new_state;
+ ),
+
+ TP_printk("bus_name=%s dev_name=%s driver_name=%s reporter_name=%s: new_state=%d",
+ __get_str(bus_name), __get_str(dev_name),
+ __get_str(driver_name), __get_str(reporter_name),
+ __entry->new_state)
+);
+
+/*
+ * Tracepoint for devlink packet trap:
+ */
+TRACE_EVENT(devlink_trap_report,
+ TP_PROTO(const struct devlink *devlink, struct sk_buff *skb,
+ const struct devlink_trap_metadata *metadata),
+
+ TP_ARGS(devlink, skb, metadata),
+
+ TP_STRUCT__entry(
+ __string(bus_name, devlink_to_dev(devlink)->bus->name)
+ __string(dev_name, dev_name(devlink_to_dev(devlink)))
+ __string(driver_name, devlink_to_dev(devlink)->driver->name)
+ __string(trap_name, metadata->trap_name)
+ __string(trap_group_name, metadata->trap_group_name)
+ __array(char, input_dev_name, IFNAMSIZ)
+ ),
+
+ TP_fast_assign(
+ struct net_device *input_dev = metadata->input_dev;
+
+ __assign_str(bus_name, devlink_to_dev(devlink)->bus->name);
+ __assign_str(dev_name, dev_name(devlink_to_dev(devlink)));
+ __assign_str(driver_name, devlink_to_dev(devlink)->driver->name);
+ __assign_str(trap_name, metadata->trap_name);
+ __assign_str(trap_group_name, metadata->trap_group_name);
+ strscpy(__entry->input_dev_name, input_dev ? input_dev->name : "NULL", IFNAMSIZ);
+ ),
+
+ TP_printk("bus_name=%s dev_name=%s driver_name=%s trap_name=%s "
+ "trap_group_name=%s input_dev_name=%s", __get_str(bus_name),
+ __get_str(dev_name), __get_str(driver_name),
+ __get_str(trap_name), __get_str(trap_group_name),
+ __entry->input_dev_name)
+);
+
+#endif /* _TRACE_DEVLINK_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
+
+#else /* CONFIG_NET_DEVLINK */
+
+#if !defined(_TRACE_DEVLINK_H)
+#define _TRACE_DEVLINK_H
+
+#include <net/devlink.h>
+
+static inline void trace_devlink_hwmsg(const struct devlink *devlink,
+ bool incoming, unsigned long type,
+ const u8 *buf, size_t len)
+{
+}
+
+static inline void trace_devlink_hwerr(const struct devlink *devlink,
+ int err, const char *msg)
+{
+}
+#endif /* _TRACE_DEVLINK_H */
+
+#endif