1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright(c) 2013 - 2018 Intel Corporation. */ 3 4 /* Modeled on trace-events-sample.h */ 5 6 /* The trace subsystem name for i40e will be "i40e". 7 * 8 * This file is named i40e_trace.h. 9 * 10 * Since this include file's name is different from the trace 11 * subsystem name, we'll have to define TRACE_INCLUDE_FILE at the end 12 * of this file. 13 */ 14 #undef TRACE_SYSTEM 15 #define TRACE_SYSTEM i40e 16 17 /* See trace-events-sample.h for a detailed description of why this 18 * guard clause is different from most normal include files. 19 */ 20 #if !defined(_I40E_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ) 21 #define _I40E_TRACE_H_ 22 23 #include <linux/tracepoint.h> 24 25 /* 26 * i40e_trace() macro enables shared code to refer to trace points 27 * like: 28 * 29 * trace_i40e{,vf}_example(args...) 30 * 31 * ... as: 32 * 33 * i40e_trace(example, args...) 34 * 35 * ... to resolve to the PF or VF version of the tracepoint without 36 * ifdefs, and to allow tracepoints to be disabled entirely at build 37 * time. 38 * 39 * Trace point should always be referred to in the driver via this 40 * macro. 41 * 42 * Similarly, i40e_trace_enabled(trace_name) wraps references to 43 * trace_i40e{,vf}_<trace_name>_enabled() functions. 44 */ 45 #define _I40E_TRACE_NAME(trace_name) (trace_ ## i40e ## _ ## trace_name) 46 #define I40E_TRACE_NAME(trace_name) _I40E_TRACE_NAME(trace_name) 47 48 #define i40e_trace(trace_name, args...) I40E_TRACE_NAME(trace_name)(args) 49 50 #define i40e_trace_enabled(trace_name) I40E_TRACE_NAME(trace_name##_enabled)() 51 52 /* Events common to PF and VF. Corresponding versions will be defined 53 * for both, named trace_i40e_* and trace_i40evf_*. The i40e_trace() 54 * macro above will select the right trace point name for the driver 55 * being built from shared code. 56 */ 57 58 #define NO_DEV "(i40e no_device)" 59 60 TRACE_EVENT(i40e_napi_poll, 61 62 TP_PROTO(struct napi_struct *napi, struct i40e_q_vector *q, int budget, 63 int budget_per_ring, unsigned int rx_cleaned, unsigned int tx_cleaned, 64 bool rx_clean_complete, bool tx_clean_complete), 65 66 TP_ARGS(napi, q, budget, budget_per_ring, rx_cleaned, tx_cleaned, 67 rx_clean_complete, tx_clean_complete), 68 69 TP_STRUCT__entry( 70 __field(int, budget) 71 __field(int, budget_per_ring) 72 __field(unsigned int, rx_cleaned) 73 __field(unsigned int, tx_cleaned) 74 __field(int, rx_clean_complete) 75 __field(int, tx_clean_complete) 76 __field(int, irq_num) 77 __field(int, curr_cpu) 78 __string(qname, q->name) 79 __string(dev_name, napi->dev ? napi->dev->name : NO_DEV) 80 __bitmask(irq_affinity, nr_cpumask_bits) 81 ), 82 83 TP_fast_assign( 84 __entry->budget = budget; 85 __entry->budget_per_ring = budget_per_ring; 86 __entry->rx_cleaned = rx_cleaned; 87 __entry->tx_cleaned = tx_cleaned; 88 __entry->rx_clean_complete = rx_clean_complete; 89 __entry->tx_clean_complete = tx_clean_complete; 90 __entry->irq_num = q->irq_num; 91 __entry->curr_cpu = get_cpu(); 92 __assign_str(qname, q->name); 93 __assign_str(dev_name, napi->dev ? napi->dev->name : NO_DEV); 94 __assign_bitmask(irq_affinity, cpumask_bits(&q->affinity_mask), 95 nr_cpumask_bits); 96 ), 97 98 TP_printk("i40e_napi_poll on dev %s q %s irq %d irq_mask %s curr_cpu %d " 99 "budget %d bpr %d rx_cleaned %u tx_cleaned %u " 100 "rx_clean_complete %d tx_clean_complete %d", 101 __get_str(dev_name), __get_str(qname), __entry->irq_num, 102 __get_bitmask(irq_affinity), __entry->curr_cpu, __entry->budget, 103 __entry->budget_per_ring, __entry->rx_cleaned, __entry->tx_cleaned, 104 __entry->rx_clean_complete, __entry->tx_clean_complete) 105 ); 106 107 /* Events related to a vsi & ring */ 108 DECLARE_EVENT_CLASS( 109 i40e_tx_template, 110 111 TP_PROTO(struct i40e_ring *ring, 112 struct i40e_tx_desc *desc, 113 struct i40e_tx_buffer *buf), 114 115 TP_ARGS(ring, desc, buf), 116 117 /* The convention here is to make the first fields in the 118 * TP_STRUCT match the TP_PROTO exactly. This enables the use 119 * of the args struct generated by the tplist tool (from the 120 * bcc-tools package) to be used for those fields. To access 121 * fields other than the tracepoint args will require the 122 * tplist output to be adjusted. 123 */ 124 TP_STRUCT__entry( 125 __field(void*, ring) 126 __field(void*, desc) 127 __field(void*, buf) 128 __string(devname, ring->netdev->name) 129 ), 130 131 TP_fast_assign( 132 __entry->ring = ring; 133 __entry->desc = desc; 134 __entry->buf = buf; 135 __assign_str(devname, ring->netdev->name); 136 ), 137 138 TP_printk( 139 "netdev: %s ring: %p desc: %p buf %p", 140 __get_str(devname), __entry->ring, 141 __entry->desc, __entry->buf) 142 ); 143 144 DEFINE_EVENT( 145 i40e_tx_template, i40e_clean_tx_irq, 146 TP_PROTO(struct i40e_ring *ring, 147 struct i40e_tx_desc *desc, 148 struct i40e_tx_buffer *buf), 149 150 TP_ARGS(ring, desc, buf)); 151 152 DEFINE_EVENT( 153 i40e_tx_template, i40e_clean_tx_irq_unmap, 154 TP_PROTO(struct i40e_ring *ring, 155 struct i40e_tx_desc *desc, 156 struct i40e_tx_buffer *buf), 157 158 TP_ARGS(ring, desc, buf)); 159 160 DECLARE_EVENT_CLASS( 161 i40e_rx_template, 162 163 TP_PROTO(struct i40e_ring *ring, 164 union i40e_16byte_rx_desc *desc, 165 struct sk_buff *skb), 166 167 TP_ARGS(ring, desc, skb), 168 169 TP_STRUCT__entry( 170 __field(void*, ring) 171 __field(void*, desc) 172 __field(void*, skb) 173 __string(devname, ring->netdev->name) 174 ), 175 176 TP_fast_assign( 177 __entry->ring = ring; 178 __entry->desc = desc; 179 __entry->skb = skb; 180 __assign_str(devname, ring->netdev->name); 181 ), 182 183 TP_printk( 184 "netdev: %s ring: %p desc: %p skb %p", 185 __get_str(devname), __entry->ring, 186 __entry->desc, __entry->skb) 187 ); 188 189 DEFINE_EVENT( 190 i40e_rx_template, i40e_clean_rx_irq, 191 TP_PROTO(struct i40e_ring *ring, 192 union i40e_16byte_rx_desc *desc, 193 struct sk_buff *skb), 194 195 TP_ARGS(ring, desc, skb)); 196 197 DEFINE_EVENT( 198 i40e_rx_template, i40e_clean_rx_irq_rx, 199 TP_PROTO(struct i40e_ring *ring, 200 union i40e_16byte_rx_desc *desc, 201 struct sk_buff *skb), 202 203 TP_ARGS(ring, desc, skb)); 204 205 DECLARE_EVENT_CLASS( 206 i40e_xmit_template, 207 208 TP_PROTO(struct sk_buff *skb, 209 struct i40e_ring *ring), 210 211 TP_ARGS(skb, ring), 212 213 TP_STRUCT__entry( 214 __field(void*, skb) 215 __field(void*, ring) 216 __string(devname, ring->netdev->name) 217 ), 218 219 TP_fast_assign( 220 __entry->skb = skb; 221 __entry->ring = ring; 222 __assign_str(devname, ring->netdev->name); 223 ), 224 225 TP_printk( 226 "netdev: %s skb: %p ring: %p", 227 __get_str(devname), __entry->skb, 228 __entry->ring) 229 ); 230 231 DEFINE_EVENT( 232 i40e_xmit_template, i40e_xmit_frame_ring, 233 TP_PROTO(struct sk_buff *skb, 234 struct i40e_ring *ring), 235 236 TP_ARGS(skb, ring)); 237 238 DEFINE_EVENT( 239 i40e_xmit_template, i40e_xmit_frame_ring_drop, 240 TP_PROTO(struct sk_buff *skb, 241 struct i40e_ring *ring), 242 243 TP_ARGS(skb, ring)); 244 245 /* Events unique to the PF. */ 246 247 #endif /* _I40E_TRACE_H_ */ 248 /* This must be outside ifdef _I40E_TRACE_H */ 249 250 /* This trace include file is not located in the .../include/trace 251 * with the kernel tracepoint definitions, because we're a loadable 252 * module. 253 */ 254 #undef TRACE_INCLUDE_PATH 255 #define TRACE_INCLUDE_PATH . 256 #undef TRACE_INCLUDE_FILE 257 #define TRACE_INCLUDE_FILE i40e_trace 258 #include <trace/define_trace.h> 259