xref: /linux/drivers/net/ethernet/freescale/dpaa/dpaa_eth_trace.h (revision be239684b18e1cdcafcf8c7face4a2f562c745ad)
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  */
29 DECLARE_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 */
75 DEFINE_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 */
85 DEFINE_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 */
95 DEFINE_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