summaryrefslogtreecommitdiff
path: root/include/trace/events/xdp.h
blob: 4e16c43fba10ab7ce958582b0b6771473dbe926a (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
#undef TRACE_SYSTEM
#define TRACE_SYSTEM xdp

#if !defined(_TRACE_XDP_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_XDP_H

#include <linux/netdevice.h>
#include <linux/filter.h>
#include <linux/tracepoint.h>

#define __XDP_ACT_MAP(FN)	\
	FN(ABORTED)		\
	FN(DROP)		\
	FN(PASS)		\
	FN(TX)			\
	FN(REDIRECT)

#define __XDP_ACT_TP_FN(x)	\
	TRACE_DEFINE_ENUM(XDP_##x);
#define __XDP_ACT_SYM_FN(x)	\
	{ XDP_##x, #x },
#define __XDP_ACT_SYM_TAB	\
	__XDP_ACT_MAP(__XDP_ACT_SYM_FN) { -1, 0 }
__XDP_ACT_MAP(__XDP_ACT_TP_FN)

TRACE_EVENT(xdp_exception,

	TP_PROTO(const struct net_device *dev,
		 const struct bpf_prog *xdp, u32 act),

	TP_ARGS(dev, xdp, act),

	TP_STRUCT__entry(
		__field(int, prog_id)
		__field(u32, act)
		__field(int, ifindex)
	),

	TP_fast_assign(
		__entry->prog_id	= xdp->aux->id;
		__entry->act		= act;
		__entry->ifindex	= dev->ifindex;
	),

	TP_printk("prog_id=%d action=%s ifindex=%d",
		  __entry->prog_id,
		  __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
		  __entry->ifindex)
);

DECLARE_EVENT_CLASS(xdp_redirect_template,

	TP_PROTO(const struct net_device *dev,
		 const struct bpf_prog *xdp,
		 int to_ifindex, int err,
		 const struct bpf_map *map, u32 map_index),

	TP_ARGS(dev, xdp, to_ifindex, err, map, map_index),

	TP_STRUCT__entry(
		__field(int, prog_id)
		__field(u32, act)
		__field(int, ifindex)
		__field(int, err)
		__field(int, to_ifindex)
		__field(u32, map_id)
		__field(int, map_index)
	),

	TP_fast_assign(
		__entry->prog_id	= xdp->aux->id;
		__entry->act		= XDP_REDIRECT;
		__entry->ifindex	= dev->ifindex;
		__entry->err		= err;
		__entry->to_ifindex	= to_ifindex;
		__entry->map_id		= map ? map->id : 0;
		__entry->map_index	= map_index;
	),

	TP_printk("prog_id=%d action=%s ifindex=%d to_ifindex=%d err=%d",
		  __entry->prog_id,
		  __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
		  __entry->ifindex, __entry->to_ifindex,
		  __entry->err)
);

DEFINE_EVENT(xdp_redirect_template, xdp_redirect,
	TP_PROTO(const struct net_device *dev,
		 const struct bpf_prog *xdp,
		 int to_ifindex, int err,
		 const struct bpf_map *map, u32 map_index),
	TP_ARGS(dev, xdp, to_ifindex, err, map, map_index)
);

DEFINE_EVENT(xdp_redirect_template, xdp_redirect_err,
	TP_PROTO(const struct net_device *dev,
		 const struct bpf_prog *xdp,
		 int to_ifindex, int err,
		 const struct bpf_map *map, u32 map_index),
	TP_ARGS(dev, xdp, to_ifindex, err, map, map_index)
);

#define _trace_xdp_redirect(dev, xdp, to)		\
	 trace_xdp_redirect(dev, xdp, to, 0, NULL, 0);

#define _trace_xdp_redirect_err(dev, xdp, to, err)	\
	 trace_xdp_redirect_err(dev, xdp, to, err, NULL, 0);

DEFINE_EVENT_PRINT(xdp_redirect_template, xdp_redirect_map,
	TP_PROTO(const struct net_device *dev,
		 const struct bpf_prog *xdp,
		 int to_ifindex, int err,
		 const struct bpf_map *map, u32 map_index),
	TP_ARGS(dev, xdp, to_ifindex, err, map, map_index),
	TP_printk("prog_id=%d action=%s ifindex=%d to_ifindex=%d err=%d"
		  " map_id=%d map_index=%d",
		  __entry->prog_id,
		  __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
		  __entry->ifindex, __entry->to_ifindex,
		  __entry->err,
		  __entry->map_id, __entry->map_index)
);

DEFINE_EVENT_PRINT(xdp_redirect_template, xdp_redirect_map_err,
	TP_PROTO(const struct net_device *dev,
		 const struct bpf_prog *xdp,
		 int to_ifindex, int err,
		 const struct bpf_map *map, u32 map_index),
	TP_ARGS(dev, xdp, to_ifindex, err, map, map_index),
	TP_printk("prog_id=%d action=%s ifindex=%d to_ifindex=%d err=%d"
		  " map_id=%d map_index=%d",
		  __entry->prog_id,
		  __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
		  __entry->ifindex, __entry->to_ifindex,
		  __entry->err,
		  __entry->map_id, __entry->map_index)
);

#define _trace_xdp_redirect_map(dev, xdp, fwd, map, idx)		\
	 trace_xdp_redirect_map(dev, xdp, fwd ? fwd->ifindex : 0,	\
				0, map, idx)

#define _trace_xdp_redirect_map_err(dev, xdp, fwd, map, idx, err)	\
	 trace_xdp_redirect_map_err(dev, xdp, fwd ? fwd->ifindex : 0,	\
				    err, map, idx)

#endif /* _TRACE_XDP_H */

#include <trace/define_trace.h>