1 #if IS_ENABLED(CONFIG_NET_DEVLINK) 2 3 #undef TRACE_SYSTEM 4 #define TRACE_SYSTEM devlink 5 6 #if !defined(_TRACE_DEVLINK_H) || defined(TRACE_HEADER_MULTI_READ) 7 #define _TRACE_DEVLINK_H 8 9 #include <linux/device.h> 10 #include <net/devlink.h> 11 #include <linux/tracepoint.h> 12 13 /* 14 * Tracepoint for devlink hardware message: 15 */ 16 TRACE_EVENT(devlink_hwmsg, 17 TP_PROTO(const struct devlink *devlink, bool incoming, 18 unsigned long type, const u8 *buf, size_t len), 19 20 TP_ARGS(devlink, incoming, type, buf, len), 21 22 TP_STRUCT__entry( 23 __string(bus_name, devlink->dev->bus->name) 24 __string(dev_name, dev_name(devlink->dev)) 25 __string(driver_name, devlink->dev->driver->name) 26 __field(bool, incoming) 27 __field(unsigned long, type) 28 __dynamic_array(u8, buf, len) 29 __field(size_t, len) 30 ), 31 32 TP_fast_assign( 33 __assign_str(bus_name, devlink->dev->bus->name); 34 __assign_str(dev_name, dev_name(devlink->dev)); 35 __assign_str(driver_name, devlink->dev->driver->name); 36 __entry->incoming = incoming; 37 __entry->type = type; 38 memcpy(__get_dynamic_array(buf), buf, len); 39 __entry->len = len; 40 ), 41 42 TP_printk("bus_name=%s dev_name=%s driver_name=%s incoming=%d type=%lu buf=0x[%*phD] len=%zu", 43 __get_str(bus_name), __get_str(dev_name), 44 __get_str(driver_name), __entry->incoming, __entry->type, 45 (int) __entry->len, __get_dynamic_array(buf), __entry->len) 46 ); 47 48 #endif /* _TRACE_DEVLINK_H */ 49 50 /* This part must be outside protection */ 51 #include <trace/define_trace.h> 52 53 #else /* CONFIG_NET_DEVLINK */ 54 55 #if !defined(_TRACE_DEVLINK_H) 56 #define _TRACE_DEVLINK_H 57 58 #include <net/devlink.h> 59 60 static inline void trace_devlink_hwmsg(const struct devlink *devlink, 61 bool incoming, unsigned long type, 62 const u8 *buf, size_t len) 63 { 64 } 65 66 #endif /* _TRACE_DEVLINK_H */ 67 68 #endif 69