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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 <[email protected]>
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
25DECLARE_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
46DEFINE_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
52DEFINE_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
58DEFINE_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
64DECLARE_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
83DEFINE_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
88DEFINE_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
93DEFINE_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
98DECLARE_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
118DEFINE_EVENT(tbnet_skb, tbnet_rx_skb,
119 TP_PROTO(const struct sk_buff *skb),
120 TP_ARGS(skb)
121);
122
123DEFINE_EVENT(tbnet_skb, tbnet_tx_skb,
124 TP_PROTO(const struct sk_buff *skb),
125 TP_ARGS(skb)
126);
127
128DEFINE_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>