xref: /openbmc/linux/drivers/net/thunderbolt/trace.h (revision f4356947)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Tracepoints for Thunderbolt/USB4 networking driver
4  *
5  * Copyright (C) 2023, Intel Corporation
6  * Author: Mika Westerberg <mika.westerberg@linux.intel.com>
7  */
8 
9 #undef TRACE_SYSTEM
10 #define TRACE_SYSTEM thunderbolt_net
11 
12 #if !defined(__TRACE_THUNDERBOLT_NET_H) || defined(TRACE_HEADER_MULTI_READ)
13 #define __TRACE_THUNDERBOLT_NET_H
14 
15 #include <linux/dma-direction.h>
16 #include <linux/skbuff.h>
17 #include <linux/tracepoint.h>
18 
19 #define DMA_DATA_DIRECTION_NAMES			\
20 	{ DMA_BIDIRECTIONAL, "DMA_BIDIRECTIONAL" },	\
21 	{ DMA_TO_DEVICE, "DMA_TO_DEVICE" },		\
22 	{ DMA_FROM_DEVICE, "DMA_FROM_DEVICE" },		\
23 	{ DMA_NONE, "DMA_NONE" }
24 
25 DECLARE_EVENT_CLASS(tbnet_frame,
26 	TP_PROTO(unsigned int index, const void *page, dma_addr_t phys,
27 		 enum dma_data_direction dir),
28 	TP_ARGS(index, page, phys, dir),
29 	TP_STRUCT__entry(
30 		__field(unsigned int, index)
31 		__field(const void *, page)
32 		__field(dma_addr_t, phys)
33 		__field(enum dma_data_direction, dir)
34 	),
35 	TP_fast_assign(
36 		__entry->index = index;
37 		__entry->page = page;
38 		__entry->phys = phys;
39 		__entry->dir = dir;
40 	),
41 	TP_printk("index=%u page=%p phys=%pad dir=%s",
42 		  __entry->index, __entry->page, &__entry->phys,
43 		__print_symbolic(__entry->dir, DMA_DATA_DIRECTION_NAMES))
44 );
45 
46 DEFINE_EVENT(tbnet_frame, tbnet_alloc_rx_frame,
47 	TP_PROTO(unsigned int index, const void *page, dma_addr_t phys,
48 		 enum dma_data_direction dir),
49 	TP_ARGS(index, page, phys, dir)
50 );
51 
52 DEFINE_EVENT(tbnet_frame, tbnet_alloc_tx_frame,
53 	TP_PROTO(unsigned int index, const void *page, dma_addr_t phys,
54 		 enum dma_data_direction dir),
55 	TP_ARGS(index, page, phys, dir)
56 );
57 
58 DEFINE_EVENT(tbnet_frame, tbnet_free_frame,
59 	TP_PROTO(unsigned int index, const void *page, dma_addr_t phys,
60 		 enum dma_data_direction dir),
61 	TP_ARGS(index, page, phys, dir)
62 );
63 
64 DECLARE_EVENT_CLASS(tbnet_ip_frame,
65 	TP_PROTO(__le32 size, __le16 id, __le16 index, __le32 count),
66 	TP_ARGS(size, id, index, count),
67 	TP_STRUCT__entry(
68 		__field(u32, size)
69 		__field(u16, id)
70 		__field(u16, index)
71 		__field(u32, count)
72 	),
73 	TP_fast_assign(
74 		__entry->size = le32_to_cpu(size);
75 		__entry->id = le16_to_cpu(id);
76 		__entry->index = le16_to_cpu(index);
77 		__entry->count = le32_to_cpu(count);
78 	),
79 	TP_printk("id=%u size=%u index=%u count=%u",
80 		  __entry->id, __entry->size, __entry->index, __entry->count)
81 );
82 
83 DEFINE_EVENT(tbnet_ip_frame, tbnet_rx_ip_frame,
84 	TP_PROTO(__le32 size, __le16 id, __le16 index, __le32 count),
85 	TP_ARGS(size, id, index, count)
86 );
87 
88 DEFINE_EVENT(tbnet_ip_frame, tbnet_invalid_rx_ip_frame,
89 	TP_PROTO(__le32 size, __le16 id, __le16 index, __le32 count),
90 	TP_ARGS(size, id, index, count)
91 );
92 
93 DEFINE_EVENT(tbnet_ip_frame, tbnet_tx_ip_frame,
94 	TP_PROTO(__le32 size, __le16 id, __le16 index, __le32 count),
95 	TP_ARGS(size, id, index, count)
96 );
97 
98 DECLARE_EVENT_CLASS(tbnet_skb,
99 	TP_PROTO(const struct sk_buff *skb),
100 	TP_ARGS(skb),
101 	TP_STRUCT__entry(
102 		__field(const void *, addr)
103 		__field(unsigned int, len)
104 		__field(unsigned int, data_len)
105 		__field(unsigned int, nr_frags)
106 	),
107 	TP_fast_assign(
108 		__entry->addr = skb;
109 		__entry->len = skb->len;
110 		__entry->data_len = skb->data_len;
111 		__entry->nr_frags = skb_shinfo(skb)->nr_frags;
112 	),
113 	TP_printk("skb=%p len=%u data_len=%u nr_frags=%u",
114 		  __entry->addr, __entry->len, __entry->data_len,
115 		  __entry->nr_frags)
116 );
117 
118 DEFINE_EVENT(tbnet_skb, tbnet_rx_skb,
119 	TP_PROTO(const struct sk_buff *skb),
120 	TP_ARGS(skb)
121 );
122 
123 DEFINE_EVENT(tbnet_skb, tbnet_tx_skb,
124 	TP_PROTO(const struct sk_buff *skb),
125 	TP_ARGS(skb)
126 );
127 
128 DEFINE_EVENT(tbnet_skb, tbnet_consume_skb,
129 	TP_PROTO(const struct sk_buff *skb),
130 	TP_ARGS(skb)
131 );
132 
133 #endif /* _TRACE_THUNDERBOLT_NET_H */
134 
135 #undef TRACE_INCLUDE_PATH
136 #define TRACE_INCLUDE_PATH .
137 
138 #undef TRACE_INCLUDE_FILE
139 #define TRACE_INCLUDE_FILE trace
140 
141 #include <trace/define_trace.h>
142