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
 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>