LXR linux/drivers/net/ethernet/intel/i40evf/i40e

   1/*******************************************************************************
   2 *
   3 * Intel(R) 40-10 Gigabit Ethernet Virtual Function 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 i40evf will be "i40evf".
  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 i40evf
  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_ ## i40evf ## _ ## 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 */
  79DECLARE_EVENT_CLASS(
  80        i40evf_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
 115DEFINE_EVENT(
 116        i40evf_tx_template, i40evf_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
 123DEFINE_EVENT(
 124        i40evf_tx_template, i40evf_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
 131DECLARE_EVENT_CLASS(
 132        i40evf_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
 160DEFINE_EVENT(
 161        i40evf_rx_template, i40evf_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
 168DEFINE_EVENT(
 169        i40evf_rx_template, i40evf_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
 176DECLARE_EVENT_CLASS(
 177        i40evf_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
 202DEFINE_EVENT(
 203        i40evf_xmit_template, i40evf_xmit_frame_ring,
 204        TP_PROTO(struct sk_buff *skb,
 205                 struct i40e_ring *ring),
 206
 207        TP_ARGS(skb, ring));
 208
 209DEFINE_EVENT(
 210        i40evf_xmit_template, i40evf_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 VF. */
 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>
 230