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>
210