GNU Linux-libre 4.14.295-gnu1
[releases.git] / drivers / net / ethernet / intel / i40e / i40e_trace.h
1 /*******************************************************************************
2  *
3  * Intel(R) 40-10 Gigabit Ethernet Connection Network Driver
4  * Copyright(c) 2013 - 2017 Intel Corporation.
5  *
6  * This program is free software; you can redistribute it and/or modify it
7  * under the terms and conditions of the GNU General Public License,
8  * version 2, as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope it will be useful, but WITHOUT
11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
13  * more details.
14  *
15  * The full GNU General Public License is included in this distribution in
16  * the file called "COPYING".
17  *
18  * Contact Information:
19  * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
20  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
21  *
22  ******************************************************************************/
23
24 /* Modeled on trace-events-sample.h */
25
26 /* The trace subsystem name for i40e will be "i40e".
27  *
28  * This file is named i40e_trace.h.
29  *
30  * Since this include file's name is different from the trace
31  * subsystem name, we'll have to define TRACE_INCLUDE_FILE at the end
32  * of this file.
33  */
34 #undef TRACE_SYSTEM
35 #define TRACE_SYSTEM i40e
36
37 /* See trace-events-sample.h for a detailed description of why this
38  * guard clause is different from most normal include files.
39  */
40 #if !defined(_I40E_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
41 #define _I40E_TRACE_H_
42
43 #include <linux/tracepoint.h>
44
45 /**
46  * i40e_trace() macro enables shared code to refer to trace points
47  * like:
48  *
49  * trace_i40e{,vf}_example(args...)
50  *
51  * ... as:
52  *
53  * i40e_trace(example, args...)
54  *
55  * ... to resolve to the PF or VF version of the tracepoint without
56  * ifdefs, and to allow tracepoints to be disabled entirely at build
57  * time.
58  *
59  * Trace point should always be referred to in the driver via this
60  * macro.
61  *
62  * Similarly, i40e_trace_enabled(trace_name) wraps references to
63  * trace_i40e{,vf}_<trace_name>_enabled() functions.
64  */
65 #define _I40E_TRACE_NAME(trace_name) (trace_ ## i40e ## _ ## trace_name)
66 #define I40E_TRACE_NAME(trace_name) _I40E_TRACE_NAME(trace_name)
67
68 #define i40e_trace(trace_name, args...) I40E_TRACE_NAME(trace_name)(args)
69
70 #define i40e_trace_enabled(trace_name) I40E_TRACE_NAME(trace_name##_enabled)()
71
72 /* Events common to PF and VF. Corresponding versions will be defined
73  * for both, named trace_i40e_* and trace_i40evf_*. The i40e_trace()
74  * macro above will select the right trace point name for the driver
75  * being built from shared code.
76  */
77
78 /* Events related to a vsi & ring */
79 DECLARE_EVENT_CLASS(
80         i40e_tx_template,
81
82         TP_PROTO(struct i40e_ring *ring,
83                  struct i40e_tx_desc *desc,
84                  struct i40e_tx_buffer *buf),
85
86         TP_ARGS(ring, desc, buf),
87
88         /* The convention here is to make the first fields in the
89          * TP_STRUCT match the TP_PROTO exactly. This enables the use
90          * of the args struct generated by the tplist tool (from the
91          * bcc-tools package) to be used for those fields. To access
92          * fields other than the tracepoint args will require the
93          * tplist output to be adjusted.
94          */
95         TP_STRUCT__entry(
96                 __field(void*, ring)
97                 __field(void*, desc)
98                 __field(void*, buf)
99                 __string(devname, ring->netdev->name)
100         ),
101
102         TP_fast_assign(
103                 __entry->ring = ring;
104                 __entry->desc = desc;
105                 __entry->buf = buf;
106                 __assign_str(devname, ring->netdev->name);
107         ),
108
109         TP_printk(
110                 "netdev: %s ring: %p desc: %p buf %p",
111                 __get_str(devname), __entry->ring,
112                 __entry->desc, __entry->buf)
113 );
114
115 DEFINE_EVENT(
116         i40e_tx_template, i40e_clean_tx_irq,
117         TP_PROTO(struct i40e_ring *ring,
118                  struct i40e_tx_desc *desc,
119                  struct i40e_tx_buffer *buf),
120
121         TP_ARGS(ring, desc, buf));
122
123 DEFINE_EVENT(
124         i40e_tx_template, i40e_clean_tx_irq_unmap,
125         TP_PROTO(struct i40e_ring *ring,
126                  struct i40e_tx_desc *desc,
127                  struct i40e_tx_buffer *buf),
128
129         TP_ARGS(ring, desc, buf));
130
131 DECLARE_EVENT_CLASS(
132         i40e_rx_template,
133
134         TP_PROTO(struct i40e_ring *ring,
135                  union i40e_32byte_rx_desc *desc,
136                  struct sk_buff *skb),
137
138         TP_ARGS(ring, desc, skb),
139
140         TP_STRUCT__entry(
141                 __field(void*, ring)
142                 __field(void*, desc)
143                 __field(void*, skb)
144                 __string(devname, ring->netdev->name)
145         ),
146
147         TP_fast_assign(
148                 __entry->ring = ring;
149                 __entry->desc = desc;
150                 __entry->skb = skb;
151                 __assign_str(devname, ring->netdev->name);
152         ),
153
154         TP_printk(
155                 "netdev: %s ring: %p desc: %p skb %p",
156                 __get_str(devname), __entry->ring,
157                 __entry->desc, __entry->skb)
158 );
159
160 DEFINE_EVENT(
161         i40e_rx_template, i40e_clean_rx_irq,
162         TP_PROTO(struct i40e_ring *ring,
163                  union i40e_32byte_rx_desc *desc,
164                  struct sk_buff *skb),
165
166         TP_ARGS(ring, desc, skb));
167
168 DEFINE_EVENT(
169         i40e_rx_template, i40e_clean_rx_irq_rx,
170         TP_PROTO(struct i40e_ring *ring,
171                  union i40e_32byte_rx_desc *desc,
172                  struct sk_buff *skb),
173
174         TP_ARGS(ring, desc, skb));
175
176 DECLARE_EVENT_CLASS(
177         i40e_xmit_template,
178
179         TP_PROTO(struct sk_buff *skb,
180                  struct i40e_ring *ring),
181
182         TP_ARGS(skb, ring),
183
184         TP_STRUCT__entry(
185                 __field(void*, skb)
186                 __field(void*, ring)
187                 __string(devname, ring->netdev->name)
188         ),
189
190         TP_fast_assign(
191                 __entry->skb = skb;
192                 __entry->ring = ring;
193                 __assign_str(devname, ring->netdev->name);
194         ),
195
196         TP_printk(
197                 "netdev: %s skb: %p ring: %p",
198                 __get_str(devname), __entry->skb,
199                 __entry->ring)
200 );
201
202 DEFINE_EVENT(
203         i40e_xmit_template, i40e_xmit_frame_ring,
204         TP_PROTO(struct sk_buff *skb,
205                  struct i40e_ring *ring),
206
207         TP_ARGS(skb, ring));
208
209 DEFINE_EVENT(
210         i40e_xmit_template, i40e_xmit_frame_ring_drop,
211         TP_PROTO(struct sk_buff *skb,
212                  struct i40e_ring *ring),
213
214         TP_ARGS(skb, ring));
215
216 /* Events unique to the PF. */
217
218 #endif /* _I40E_TRACE_H_ */
219 /* This must be outside ifdef _I40E_TRACE_H */
220
221 /* This trace include file is not located in the .../include/trace
222  * with the kernel tracepoint definitions, because we're a loadable
223  * module.
224  */
225 #undef TRACE_INCLUDE_PATH
226 #define TRACE_INCLUDE_PATH .
227 #undef TRACE_INCLUDE_FILE
228 #define TRACE_INCLUDE_FILE i40e_trace
229 #include <trace/define_trace.h>