1/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later */
2/*
3 * Copyright 2013-2015 Freescale Semiconductor Inc.
4 */
5
6#undef TRACE_SYSTEM
7#define TRACE_SYSTEM dpaa_eth
8
9#if !defined(_DPAA_ETH_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
10#define _DPAA_ETH_TRACE_H
11
12#include <linux/skbuff.h>
13#include <linux/netdevice.h>
14#include "dpaa_eth.h"
15#include <linux/tracepoint.h>
16
17#define fd_format_name(format) { qm_fd_##format, #format }
18#define fd_format_list \
19 fd_format_name(contig), \
20 fd_format_name(sg)
21
22/* This is used to declare a class of events.
23 * individual events of this type will be defined below.
24 */
25
26/* Store details about a frame descriptor and the FQ on which it was
27 * transmitted/received.
28 */
29DECLARE_EVENT_CLASS(dpaa_eth_fd,
30 /* Trace function prototype */
31 TP_PROTO(struct net_device *netdev,
32 struct qman_fq *fq,
33 const struct qm_fd *fd),
34
35 /* Repeat argument list here */
36 TP_ARGS(netdev, fq, fd),
37
38 /* A structure containing the relevant information we want to record.
39 * Declare name and type for each normal element, name, type and size
40 * for arrays. Use __string for variable length strings.
41 */
42 TP_STRUCT__entry(
43 __field(u32, fqid)
44 __field(u64, fd_addr)
45 __field(u8, fd_format)
46 __field(u16, fd_offset)
47 __field(u32, fd_length)
48 __field(u32, fd_status)
49 __string(name, netdev->name)
50 ),
51
52 /* The function that assigns values to the above declared fields */
53 TP_fast_assign(
54 __entry->fqid = fq->fqid;
55 __entry->fd_addr = qm_fd_addr_get64(fd);
56 __entry->fd_format = qm_fd_get_format(fd);
57 __entry->fd_offset = qm_fd_get_offset(fd);
58 __entry->fd_length = qm_fd_get_length(fd);
59 __entry->fd_status = fd->status;
60 __assign_str(name, netdev->name);
61 ),
62
63 /* This is what gets printed when the trace event is triggered */
64 TP_printk("[%s] fqid=%d, fd: addr=0x%llx, format=%s, off=%u, len=%u, status=0x%08x",
65 __get_str(name), __entry->fqid, __entry->fd_addr,
66 __print_symbolic(__entry->fd_format, fd_format_list),
67 __entry->fd_offset, __entry->fd_length, __entry->fd_status)
68);
69
70/* Now declare events of the above type. Format is:
71 * DEFINE_EVENT(class, name, proto, args), with proto and args same as for class
72 */
73
74/* Tx (egress) fd */
75DEFINE_EVENT(dpaa_eth_fd, dpaa_tx_fd,
76
77 TP_PROTO(struct net_device *netdev,
78 struct qman_fq *fq,
79 const struct qm_fd *fd),
80
81 TP_ARGS(netdev, fq, fd)
82);
83
84/* Rx fd */
85DEFINE_EVENT(dpaa_eth_fd, dpaa_rx_fd,
86
87 TP_PROTO(struct net_device *netdev,
88 struct qman_fq *fq,
89 const struct qm_fd *fd),
90
91 TP_ARGS(netdev, fq, fd)
92);
93
94/* Tx confirmation fd */
95DEFINE_EVENT(dpaa_eth_fd, dpaa_tx_conf_fd,
96
97 TP_PROTO(struct net_device *netdev,
98 struct qman_fq *fq,
99 const struct qm_fd *fd),
100
101 TP_ARGS(netdev, fq, fd)
102);
103
104/* If only one event of a certain type needs to be declared, use TRACE_EVENT().
105 * The syntax is the same as for DECLARE_EVENT_CLASS().
106 */
107
108#endif /* _DPAA_ETH_TRACE_H */
109
110/* This must be outside ifdef _DPAA_ETH_TRACE_H */
111#undef TRACE_INCLUDE_PATH
112#define TRACE_INCLUDE_PATH .
113#undef TRACE_INCLUDE_FILE
114#define TRACE_INCLUDE_FILE dpaa_eth_trace
115#include <trace/define_trace.h>
116

source code of linux/drivers/net/ethernet/freescale/dpaa/dpaa_eth_trace.h