1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /******************************************************************************
3  *
4  * Copyright(c) 2009 - 2014 Intel Corporation. All rights reserved.
5  * Copyright(c) 2015 Intel Mobile Communications GmbH
6  * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
7  * Copyright(c) 2018        Intel Corporation
8  *****************************************************************************/
9 
10 #if !defined(__IWLWIFI_DEVICE_TRACE_IWLWIFI) || defined(TRACE_HEADER_MULTI_READ)
11 #define __IWLWIFI_DEVICE_TRACE_IWLWIFI
12 
13 #include <linux/tracepoint.h>
14 
15 #undef TRACE_SYSTEM
16 #define TRACE_SYSTEM iwlwifi
17 
18 TRACE_EVENT(iwlwifi_dev_hcmd,
19 	TP_PROTO(const struct device *dev,
20 		 struct iwl_host_cmd *cmd, u16 total_size,
21 		 struct iwl_cmd_header_wide *hdr),
22 	TP_ARGS(dev, cmd, total_size, hdr),
23 	TP_STRUCT__entry(
24 		DEV_ENTRY
25 		__dynamic_array(u8, hcmd, total_size)
26 		__field(u32, flags)
27 	),
28 	TP_fast_assign(
29 		int i, offset = sizeof(struct iwl_cmd_header);
30 
31 		if (hdr->group_id)
32 			offset = sizeof(struct iwl_cmd_header_wide);
33 
34 		DEV_ASSIGN;
35 		__entry->flags = cmd->flags;
36 		memcpy(__get_dynamic_array(hcmd), hdr, offset);
37 
38 		for (i = 0; i < IWL_MAX_CMD_TBS_PER_TFD; i++) {
39 			if (!cmd->len[i])
40 				continue;
41 			memcpy((u8 *)__get_dynamic_array(hcmd) + offset,
42 			       cmd->data[i], cmd->len[i]);
43 			offset += cmd->len[i];
44 		}
45 	),
46 	TP_printk("[%s] hcmd %#.2x.%#.2x (%ssync)",
47 		  __get_str(dev), ((u8 *)__get_dynamic_array(hcmd))[1],
48 		  ((u8 *)__get_dynamic_array(hcmd))[0],
49 		  __entry->flags & CMD_ASYNC ? "a" : "")
50 );
51 
52 TRACE_EVENT(iwlwifi_dev_rx,
53 	TP_PROTO(const struct device *dev, const struct iwl_trans *trans,
54 		 struct iwl_rx_packet *pkt, size_t len),
55 	TP_ARGS(dev, trans, pkt, len),
56 	TP_STRUCT__entry(
57 		DEV_ENTRY
58 		__field(u16, cmd)
59 		__field(u8, hdr_offset)
60 		__dynamic_array(u8, rxbuf,
61 				iwl_rx_trace_len(trans, pkt, len, NULL))
62 	),
63 	TP_fast_assign(
64 		size_t hdr_offset = 0;
65 
66 		DEV_ASSIGN;
67 		__entry->cmd = WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd);
68 		memcpy(__get_dynamic_array(rxbuf), pkt,
69 		       iwl_rx_trace_len(trans, pkt, len, &hdr_offset));
70 		__entry->hdr_offset = hdr_offset;
71 	),
72 	TP_printk("[%s] RX cmd %#.2x",
73 		  __get_str(dev), __entry->cmd)
74 );
75 
76 TRACE_EVENT(iwlwifi_dev_tx,
77 	TP_PROTO(const struct device *dev, struct sk_buff *skb,
78 		 void *tfd, size_t tfdlen,
79 		 void *buf0, size_t buf0_len,
80 		 int hdr_len),
81 	TP_ARGS(dev, skb, tfd, tfdlen, buf0, buf0_len, hdr_len),
82 	TP_STRUCT__entry(
83 		DEV_ENTRY
84 		__field(void *, skbaddr)
85 		__field(size_t, framelen)
86 		__dynamic_array(u8, tfd, tfdlen)
87 
88 		/*
89 		 * Do not insert between or below these items,
90 		 * we want to keep the frame together (except
91 		 * for the possible padding).
92 		 */
93 		__dynamic_array(u8, buf0, buf0_len)
94 		__dynamic_array(u8, buf1, hdr_len > 0 && iwl_trace_data(skb) ?
95 						0 : skb->len - hdr_len)
96 	),
97 	TP_fast_assign(
98 		DEV_ASSIGN;
99 		__entry->skbaddr = skb;
100 		__entry->framelen = buf0_len;
101 		if (hdr_len > 0)
102 			__entry->framelen += skb->len - hdr_len;
103 		memcpy(__get_dynamic_array(tfd), tfd, tfdlen);
104 		memcpy(__get_dynamic_array(buf0), buf0, buf0_len);
105 		if (hdr_len > 0 && !iwl_trace_data(skb))
106 			skb_copy_bits(skb, hdr_len,
107 				      __get_dynamic_array(buf1),
108 				      skb->len - hdr_len);
109 	),
110 	TP_printk("[%s] TX %.2x (%zu bytes) skbaddr=%p",
111 		  __get_str(dev), ((u8 *)__get_dynamic_array(buf0))[0],
112 		  __entry->framelen, __entry->skbaddr)
113 );
114 
115 TRACE_EVENT(iwlwifi_dev_ucode_event,
116 	TP_PROTO(const struct device *dev, u32 time, u32 data, u32 ev),
117 	TP_ARGS(dev, time, data, ev),
118 	TP_STRUCT__entry(
119 		DEV_ENTRY
120 
121 		__field(u32, time)
122 		__field(u32, data)
123 		__field(u32, ev)
124 	),
125 	TP_fast_assign(
126 		DEV_ASSIGN;
127 		__entry->time = time;
128 		__entry->data = data;
129 		__entry->ev = ev;
130 	),
131 	TP_printk("[%s] EVT_LOGT:%010u:0x%08x:%04u",
132 		  __get_str(dev), __entry->time, __entry->data, __entry->ev)
133 );
134 #endif /* __IWLWIFI_DEVICE_TRACE_IWLWIFI */
135 
136 #undef TRACE_INCLUDE_PATH
137 #define TRACE_INCLUDE_PATH .
138 #undef TRACE_INCLUDE_FILE
139 #define TRACE_INCLUDE_FILE iwl-devtrace-iwlwifi
140 #include <trace/define_trace.h>
141