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>