net: qrtr: Add tracepoint support

Add tracepoint support for QRTR with NS as the first candidate. Later on
this can be extended to core QRTR and transport drivers.

The trace_printk() used in NS has been replaced by tracepoints.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 115 insertions, 0 deletions

diff --git a/include/trace/events/qrtr.h b/include/trace/events/qrtr.h
new file mode 100644
index 000000000000..b1de14c3bb93
--- /dev/null
+++ b/include/trace/events/qrtr.h
@@ -0,0 +1,115 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM qrtr
+
+#if !defined(_TRACE_QRTR_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_QRTR_H
+
+#include <linux/qrtr.h>
+#include <linux/tracepoint.h>
+
+TRACE_EVENT(qrtr_ns_service_announce_new,
+
+	TP_PROTO(__le32 service, __le32 instance, __le32 node, __le32 port),
+
+	TP_ARGS(service, instance, node, port),
+
+	TP_STRUCT__entry(
+		__field(__le32, service)
+		__field(__le32, instance)
+		__field(__le32, node)
+		__field(__le32, port)
+	),
+
+	TP_fast_assign(
+		__entry->service = service;
+		__entry->instance = instance;
+		__entry->node = node;
+		__entry->port = port;
+	),
+
+	TP_printk("advertising new server [%d:%x]@[%d:%d]",
+		  __entry->service, __entry->instance, __entry->node,
+		  __entry->port
+	)
+);
+
+TRACE_EVENT(qrtr_ns_service_announce_del,
+
+	TP_PROTO(__le32 service, __le32 instance, __le32 node, __le32 port),
+
+	TP_ARGS(service, instance, node, port),
+
+	TP_STRUCT__entry(
+		__field(__le32, service)
+		__field(__le32, instance)
+		__field(__le32, node)
+		__field(__le32, port)
+	),
+
+	TP_fast_assign(
+		__entry->service = service;
+		__entry->instance = instance;
+		__entry->node = node;
+		__entry->port = port;
+	),
+
+	TP_printk("advertising removal of server [%d:%x]@[%d:%d]",
+		  __entry->service, __entry->instance, __entry->node,
+		  __entry->port
+	)
+);
+
+TRACE_EVENT(qrtr_ns_server_add,
+
+	TP_PROTO(__le32 service, __le32 instance, __le32 node, __le32 port),
+
+	TP_ARGS(service, instance, node, port),
+
+	TP_STRUCT__entry(
+		__field(__le32, service)
+		__field(__le32, instance)
+		__field(__le32, node)
+		__field(__le32, port)
+	),
+
+	TP_fast_assign(
+		__entry->service = service;
+		__entry->instance = instance;
+		__entry->node = node;
+		__entry->port = port;
+	),
+
+	TP_printk("add server [%d:%x]@[%d:%d]",
+		  __entry->service, __entry->instance, __entry->node,
+		  __entry->port
+	)
+);
+
+TRACE_EVENT(qrtr_ns_message,
+
+	TP_PROTO(const char * const ctrl_pkt_str, __u32 sq_node, __u32 sq_port),
+
+	TP_ARGS(ctrl_pkt_str, sq_node, sq_port),
+
+	TP_STRUCT__entry(
+		__string(ctrl_pkt_str, ctrl_pkt_str)
+		__field(__u32, sq_node)
+		__field(__u32, sq_port)
+	),
+
+	TP_fast_assign(
+		__assign_str(ctrl_pkt_str, ctrl_pkt_str);
+		__entry->sq_node = sq_node;
+		__entry->sq_port = sq_port;
+	),
+
+	TP_printk("%s from %d:%d",
+		  __get_str(ctrl_pkt_str), __entry->sq_node, __entry->sq_port
+	)
+);
+
+#endif /* _TRACE_QRTR_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>