1/* SPDX-License-Identifier: GPL-2.0 */
  2/*******************************************************************************
  3 *
  4 * Intel(R) 40-10 Gigabit Ethernet Virtual Function Driver
  5 * Copyright(c) 2013 - 2017 Intel Corporation.
  6 *
  7 * This program is free software; you can redistribute it and/or modify it
  8 * under the terms and conditions of the GNU General Public License,
  9 * version 2, as published by the Free Software Foundation.
 10 *
 11 * This program is distributed in the hope it will be useful, but WITHOUT
 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 14 * more details.
 15 *
 16 * The full GNU General Public License is included in this distribution in
 17 * the file called "COPYING".
 18 *
 19 * Contact Information:
 20 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
 21 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
 22 *
 23 ******************************************************************************/
 24
 25/* Modeled on trace-events-sample.h */
 26
 27/* The trace subsystem name for i40evf will be "i40evf".
 28 *
 29 * This file is named i40e_trace.h.
 30 *
 31 * Since this include file's name is different from the trace
 32 * subsystem name, we'll have to define TRACE_INCLUDE_FILE at the end
 33 * of this file.
 34 */
 35#undef TRACE_SYSTEM
 36#define TRACE_SYSTEM i40evf
 37
 38/* See trace-events-sample.h for a detailed description of why this
 39 * guard clause is different from most normal include files.
 40 */
 41#if !defined(_I40E_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
 42#define _I40E_TRACE_H_
 43
 44#include <linux/tracepoint.h>
 45
 46/**
 47 * i40e_trace() macro enables shared code to refer to trace points
 48 * like:
 49 *
 50 * trace_i40e{,vf}_example(args...)
 51 *
 52 * ... as:
 53 *
 54 * i40e_trace(example, args...)
 55 *
 56 * ... to resolve to the PF or VF version of the tracepoint without
 57 * ifdefs, and to allow tracepoints to be disabled entirely at build
 58 * time.
 59 *
 60 * Trace point should always be referred to in the driver via this
 61 * macro.
 62 *
 63 * Similarly, i40e_trace_enabled(trace_name) wraps references to
 64 * trace_i40e{,vf}_<trace_name>_enabled() functions.
 65 */
 66#define _I40E_TRACE_NAME(trace_name) (trace_ ## i40evf ## _ ## trace_name)
 67#define I40E_TRACE_NAME(trace_name) _I40E_TRACE_NAME(trace_name)
 68
 69#define i40e_trace(trace_name, args...) I40E_TRACE_NAME(trace_name)(args)
 70
 71#define i40e_trace_enabled(trace_name) I40E_TRACE_NAME(trace_name##_enabled)()
 72
 73/* Events common to PF and VF. Corresponding versions will be defined
 74 * for both, named trace_i40e_* and trace_i40evf_*. The i40e_trace()
 75 * macro above will select the right trace point name for the driver
 76 * being built from shared code.
 77 */
 78
 79/* Events related to a vsi & ring */
 80DECLARE_EVENT_CLASS(
 81	i40evf_tx_template,
 82
 83	TP_PROTO(struct i40e_ring *ring,
 84		 struct i40e_tx_desc *desc,
 85		 struct i40e_tx_buffer *buf),
 86
 87	TP_ARGS(ring, desc, buf),
 88
 89	/* The convention here is to make the first fields in the
 90	 * TP_STRUCT match the TP_PROTO exactly. This enables the use
 91	 * of the args struct generated by the tplist tool (from the
 92	 * bcc-tools package) to be used for those fields. To access
 93	 * fields other than the tracepoint args will require the
 94	 * tplist output to be adjusted.
 95	 */
 96	TP_STRUCT__entry(
 97		__field(void*, ring)
 98		__field(void*, desc)
 99		__field(void*, buf)
100		__string(devname, ring->netdev->name)
101	),
102
103	TP_fast_assign(
104		__entry->ring = ring;
105		__entry->desc = desc;
106		__entry->buf = buf;
107		__assign_str(devname, ring->netdev->name);
108	),
109
110	TP_printk(
111		"netdev: %s ring: %p desc: %p buf %p",
112		__get_str(devname), __entry->ring,
113		__entry->desc, __entry->buf)
114);
115
116DEFINE_EVENT(
117	i40evf_tx_template, i40evf_clean_tx_irq,
118	TP_PROTO(struct i40e_ring *ring,
119		 struct i40e_tx_desc *desc,
120		 struct i40e_tx_buffer *buf),
121
122	TP_ARGS(ring, desc, buf));
123
124DEFINE_EVENT(
125	i40evf_tx_template, i40evf_clean_tx_irq_unmap,
126	TP_PROTO(struct i40e_ring *ring,
127		 struct i40e_tx_desc *desc,
128		 struct i40e_tx_buffer *buf),
129
130	TP_ARGS(ring, desc, buf));
131
132DECLARE_EVENT_CLASS(
133	i40evf_rx_template,
134
135	TP_PROTO(struct i40e_ring *ring,
136		 union i40e_32byte_rx_desc *desc,
137		 struct sk_buff *skb),
138
139	TP_ARGS(ring, desc, skb),
140
141	TP_STRUCT__entry(
142		__field(void*, ring)
143		__field(void*, desc)
144		__field(void*, skb)
145		__string(devname, ring->netdev->name)
146	),
147
148	TP_fast_assign(
149		__entry->ring = ring;
150		__entry->desc = desc;
151		__entry->skb = skb;
152		__assign_str(devname, ring->netdev->name);
153	),
154
155	TP_printk(
156		"netdev: %s ring: %p desc: %p skb %p",
157		__get_str(devname), __entry->ring,
158		__entry->desc, __entry->skb)
159);
160
161DEFINE_EVENT(
162	i40evf_rx_template, i40evf_clean_rx_irq,
163	TP_PROTO(struct i40e_ring *ring,
164		 union i40e_32byte_rx_desc *desc,
165		 struct sk_buff *skb),
166
167	TP_ARGS(ring, desc, skb));
168
169DEFINE_EVENT(
170	i40evf_rx_template, i40evf_clean_rx_irq_rx,
171	TP_PROTO(struct i40e_ring *ring,
172		 union i40e_32byte_rx_desc *desc,
173		 struct sk_buff *skb),
174
175	TP_ARGS(ring, desc, skb));
176
177DECLARE_EVENT_CLASS(
178	i40evf_xmit_template,
179
180	TP_PROTO(struct sk_buff *skb,
181		 struct i40e_ring *ring),
182
183	TP_ARGS(skb, ring),
184
185	TP_STRUCT__entry(
186		__field(void*, skb)
187		__field(void*, ring)
188		__string(devname, ring->netdev->name)
189	),
190
191	TP_fast_assign(
192		__entry->skb = skb;
193		__entry->ring = ring;
194		__assign_str(devname, ring->netdev->name);
195	),
196
197	TP_printk(
198		"netdev: %s skb: %p ring: %p",
199		__get_str(devname), __entry->skb,
200		__entry->ring)
201);
202
203DEFINE_EVENT(
204	i40evf_xmit_template, i40evf_xmit_frame_ring,
205	TP_PROTO(struct sk_buff *skb,
206		 struct i40e_ring *ring),
207
208	TP_ARGS(skb, ring));
209
210DEFINE_EVENT(
211	i40evf_xmit_template, i40evf_xmit_frame_ring_drop,
212	TP_PROTO(struct sk_buff *skb,
213		 struct i40e_ring *ring),
214
215	TP_ARGS(skb, ring));
216
217/* Events unique to the VF. */
218
219#endif /* _I40E_TRACE_H_ */
220/* This must be outside ifdef _I40E_TRACE_H */
221
222/* This trace include file is not located in the .../include/trace
223 * with the kernel tracepoint definitions, because we're a loadable
224 * module.
225 */
226#undef TRACE_INCLUDE_PATH
227#define TRACE_INCLUDE_PATH .
228#undef TRACE_INCLUDE_FILE
229#define TRACE_INCLUDE_FILE i40e_trace
230#include <trace/define_trace.h>