1/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
2/* Copyright 2014-2015 Freescale Semiconductor Inc.
3 */
4
5#undef TRACE_SYSTEM
6#define TRACE_SYSTEM	dpaa2_eth
7
8#if !defined(_DPAA2_ETH_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
9#define _DPAA2_ETH_TRACE_H
10
11#include <linux/skbuff.h>
12#include <linux/netdevice.h>
13#include <linux/tracepoint.h>
14
15#define TR_FMT "[%s] fd: addr=0x%llx, len=%u, off=%u"
16/* trace_printk format for raw buffer event class */
17#define TR_BUF_FMT "[%s] vaddr=%p size=%zu dma_addr=%pad map_size=%zu bpid=%d"
18
19/* This is used to declare a class of events.
20 * individual events of this type will be defined below.
21 */
22
23/* Store details about a frame descriptor */
24DECLARE_EVENT_CLASS(dpaa2_eth_fd,
25		    /* Trace function prototype */
26		    TP_PROTO(struct net_device *netdev,
27			     const struct dpaa2_fd *fd),
28
29		    /* Repeat argument list here */
30		    TP_ARGS(netdev, fd),
31
32		    /* A structure containing the relevant information we want
33		     * to record. Declare name and type for each normal element,
34		     * name, type and size for arrays. Use __string for variable
35		     * length strings.
36		     */
37		    TP_STRUCT__entry(
38				     __field(u64, fd_addr)
39				     __field(u32, fd_len)
40				     __field(u16, fd_offset)
41				     __string(name, netdev->name)
42		    ),
43
44		    /* The function that assigns values to the above declared
45		     * fields
46		     */
47		    TP_fast_assign(
48				   __entry->fd_addr = dpaa2_fd_get_addr(fd);
49				   __entry->fd_len = dpaa2_fd_get_len(fd);
50				   __entry->fd_offset = dpaa2_fd_get_offset(fd);
51				   __assign_str(name, netdev->name);
52		    ),
53
54		    /* This is what gets printed when the trace event is
55		     * triggered.
56		     */
57		    TP_printk(TR_FMT,
58			      __get_str(name),
59			      __entry->fd_addr,
60			      __entry->fd_len,
61			      __entry->fd_offset)
62);
63
64/* Now declare events of the above type. Format is:
65 * DEFINE_EVENT(class, name, proto, args), with proto and args same as for class
66 */
67
68/* Tx (egress) fd */
69DEFINE_EVENT(dpaa2_eth_fd, dpaa2_tx_fd,
70	     TP_PROTO(struct net_device *netdev,
71		      const struct dpaa2_fd *fd),
72
73	     TP_ARGS(netdev, fd)
74);
75
76/* Rx fd */
77DEFINE_EVENT(dpaa2_eth_fd, dpaa2_rx_fd,
78	     TP_PROTO(struct net_device *netdev,
79		      const struct dpaa2_fd *fd),
80
81	     TP_ARGS(netdev, fd)
82);
83
84/* Tx confirmation fd */
85DEFINE_EVENT(dpaa2_eth_fd, dpaa2_tx_conf_fd,
86	     TP_PROTO(struct net_device *netdev,
87		      const struct dpaa2_fd *fd),
88
89	     TP_ARGS(netdev, fd)
90);
91
92/* Log data about raw buffers. Useful for tracing DPBP content. */
93TRACE_EVENT(dpaa2_eth_buf_seed,
94	    /* Trace function prototype */
95	    TP_PROTO(struct net_device *netdev,
96		     /* virtual address and size */
97		     void *vaddr,
98		     size_t size,
99		     /* dma map address and size */
100		     dma_addr_t dma_addr,
101		     size_t map_size,
102		     /* buffer pool id, if relevant */
103		     u16 bpid),
104
105	    /* Repeat argument list here */
106	    TP_ARGS(netdev, vaddr, size, dma_addr, map_size, bpid),
107
108	    /* A structure containing the relevant information we want
109	     * to record. Declare name and type for each normal element,
110	     * name, type and size for arrays. Use __string for variable
111	     * length strings.
112	     */
113	    TP_STRUCT__entry(
114			     __field(void *, vaddr)
115			     __field(size_t, size)
116			     __field(dma_addr_t, dma_addr)
117			     __field(size_t, map_size)
118			     __field(u16, bpid)
119			     __string(name, netdev->name)
120	    ),
121
122	    /* The function that assigns values to the above declared
123	     * fields
124	     */
125	    TP_fast_assign(
126			   __entry->vaddr = vaddr;
127			   __entry->size = size;
128			   __entry->dma_addr = dma_addr;
129			   __entry->map_size = map_size;
130			   __entry->bpid = bpid;
131			   __assign_str(name, netdev->name);
132	    ),
133
134	    /* This is what gets printed when the trace event is
135	     * triggered.
136	     */
137	    TP_printk(TR_BUF_FMT,
138		      __get_str(name),
139		      __entry->vaddr,
140		      __entry->size,
141		      &__entry->dma_addr,
142		      __entry->map_size,
143		      __entry->bpid)
144);
145
146/* If only one event of a certain type needs to be declared, use TRACE_EVENT().
147 * The syntax is the same as for DECLARE_EVENT_CLASS().
148 */
149
150#endif /* _DPAA2_ETH_TRACE_H */
151
152/* This must be outside ifdef _DPAA2_ETH_TRACE_H */
153#undef TRACE_INCLUDE_PATH
154#define TRACE_INCLUDE_PATH .
155#undef TRACE_INCLUDE_FILE
156#define TRACE_INCLUDE_FILE	dpaa2-eth-trace
157#include <trace/define_trace.h>
158