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> 230