1/* SPDX-License-Identifier: GPL-2.0 */
  2/* Copyright(c) 2013 - 2018 Intel Corporation. */
  3
  4/* Modeled on trace-events-sample.h */
  5
  6/* The trace subsystem name for iavf will be "iavf".
  7 *
  8 * This file is named iavf_trace.h.
  9 *
 10 * Since this include file's name is different from the trace
 11 * subsystem name, we'll have to define TRACE_INCLUDE_FILE at the end
 12 * of this file.
 13 */
 14#undef TRACE_SYSTEM
 15#define TRACE_SYSTEM iavf
 16
 17/* See trace-events-sample.h for a detailed description of why this
 18 * guard clause is different from most normal include files.
 19 */
 20#if !defined(_IAVF_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
 21#define _IAVF_TRACE_H_
 22
 23#include <linux/tracepoint.h>
 24
 25/*
 26 * iavf_trace() macro enables shared code to refer to trace points
 27 * like:
 28 *
 29 * trace_iavf{,vf}_example(args...)
 30 *
 31 * ... as:
 32 *
 33 * iavf_trace(example, args...)
 34 *
 35 * ... to resolve to the PF or VF version of the tracepoint without
 36 * ifdefs, and to allow tracepoints to be disabled entirely at build
 37 * time.
 38 *
 39 * Trace point should always be referred to in the driver via this
 40 * macro.
 41 *
 42 * Similarly, iavf_trace_enabled(trace_name) wraps references to
 43 * trace_iavf{,vf}_<trace_name>_enabled() functions.
 44 */
 45#define _IAVF_TRACE_NAME(trace_name) (trace_ ## iavf ## _ ## trace_name)
 46#define IAVF_TRACE_NAME(trace_name) _IAVF_TRACE_NAME(trace_name)
 47
 48#define iavf_trace(trace_name, args...) IAVF_TRACE_NAME(trace_name)(args)
 49
 50#define iavf_trace_enabled(trace_name) IAVF_TRACE_NAME(trace_name##_enabled)()
 51
 52/* Events common to PF and VF. Corresponding versions will be defined
 53 * for both, named trace_iavf_* and trace_iavf_*. The iavf_trace()
 54 * macro above will select the right trace point name for the driver
 55 * being built from shared code.
 56 */
 57
 58/* Events related to a vsi & ring */
 59DECLARE_EVENT_CLASS(
 60	iavf_tx_template,
 61
 62	TP_PROTO(struct iavf_ring *ring,
 63		 struct iavf_tx_desc *desc,
 64		 struct iavf_tx_buffer *buf),
 65
 66	TP_ARGS(ring, desc, buf),
 67
 68	/* The convention here is to make the first fields in the
 69	 * TP_STRUCT match the TP_PROTO exactly. This enables the use
 70	 * of the args struct generated by the tplist tool (from the
 71	 * bcc-tools package) to be used for those fields. To access
 72	 * fields other than the tracepoint args will require the
 73	 * tplist output to be adjusted.
 74	 */
 75	TP_STRUCT__entry(
 76		__field(void*, ring)
 77		__field(void*, desc)
 78		__field(void*, buf)
 79		__string(devname, ring->netdev->name)
 80	),
 81
 82	TP_fast_assign(
 83		__entry->ring = ring;
 84		__entry->desc = desc;
 85		__entry->buf = buf;
 86		__assign_str(devname, ring->netdev->name);
 87	),
 88
 89	TP_printk(
 90		"netdev: %s ring: %p desc: %p buf %p",
 91		__get_str(devname), __entry->ring,
 92		__entry->desc, __entry->buf)
 93);
 94
 95DEFINE_EVENT(
 96	iavf_tx_template, iavf_clean_tx_irq,
 97	TP_PROTO(struct iavf_ring *ring,
 98		 struct iavf_tx_desc *desc,
 99		 struct iavf_tx_buffer *buf),
100
101	TP_ARGS(ring, desc, buf));
102
103DEFINE_EVENT(
104	iavf_tx_template, iavf_clean_tx_irq_unmap,
105	TP_PROTO(struct iavf_ring *ring,
106		 struct iavf_tx_desc *desc,
107		 struct iavf_tx_buffer *buf),
108
109	TP_ARGS(ring, desc, buf));
110
111DECLARE_EVENT_CLASS(
112	iavf_rx_template,
113
114	TP_PROTO(struct iavf_ring *ring,
115		 union iavf_32byte_rx_desc *desc,
116		 struct sk_buff *skb),
117
118	TP_ARGS(ring, desc, skb),
119
120	TP_STRUCT__entry(
121		__field(void*, ring)
122		__field(void*, desc)
123		__field(void*, skb)
124		__string(devname, ring->netdev->name)
125	),
126
127	TP_fast_assign(
128		__entry->ring = ring;
129		__entry->desc = desc;
130		__entry->skb = skb;
131		__assign_str(devname, ring->netdev->name);
132	),
133
134	TP_printk(
135		"netdev: %s ring: %p desc: %p skb %p",
136		__get_str(devname), __entry->ring,
137		__entry->desc, __entry->skb)
138);
139
140DEFINE_EVENT(
141	iavf_rx_template, iavf_clean_rx_irq,
142	TP_PROTO(struct iavf_ring *ring,
143		 union iavf_32byte_rx_desc *desc,
144		 struct sk_buff *skb),
145
146	TP_ARGS(ring, desc, skb));
147
148DEFINE_EVENT(
149	iavf_rx_template, iavf_clean_rx_irq_rx,
150	TP_PROTO(struct iavf_ring *ring,
151		 union iavf_32byte_rx_desc *desc,
152		 struct sk_buff *skb),
153
154	TP_ARGS(ring, desc, skb));
155
156DECLARE_EVENT_CLASS(
157	iavf_xmit_template,
158
159	TP_PROTO(struct sk_buff *skb,
160		 struct iavf_ring *ring),
161
162	TP_ARGS(skb, ring),
163
164	TP_STRUCT__entry(
165		__field(void*, skb)
166		__field(void*, ring)
167		__string(devname, ring->netdev->name)
168	),
169
170	TP_fast_assign(
171		__entry->skb = skb;
172		__entry->ring = ring;
173		__assign_str(devname, ring->netdev->name);
174	),
175
176	TP_printk(
177		"netdev: %s skb: %p ring: %p",
178		__get_str(devname), __entry->skb,
179		__entry->ring)
180);
181
182DEFINE_EVENT(
183	iavf_xmit_template, iavf_xmit_frame_ring,
184	TP_PROTO(struct sk_buff *skb,
185		 struct iavf_ring *ring),
186
187	TP_ARGS(skb, ring));
188
189DEFINE_EVENT(
190	iavf_xmit_template, iavf_xmit_frame_ring_drop,
191	TP_PROTO(struct sk_buff *skb,
192		 struct iavf_ring *ring),
193
194	TP_ARGS(skb, ring));
195
196/* Events unique to the VF. */
197
198#endif /* _IAVF_TRACE_H_ */
199/* This must be outside ifdef _IAVF_TRACE_H */
200
201/* This trace include file is not located in the .../include/trace
202 * with the kernel tracepoint definitions, because we're a loadable
203 * module.
204 */
205#undef TRACE_INCLUDE_PATH
206#define TRACE_INCLUDE_PATH .
207#undef TRACE_INCLUDE_FILE
208#define TRACE_INCLUDE_FILE iavf_trace
209#include <trace/define_trace.h>