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
|
#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)
#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(
__string(name, dev->name)
__array(u8, prog_tag, 8)
__field(u32, act)
),
TP_fast_assign(
BUILD_BUG_ON(sizeof(__entry->prog_tag) != sizeof(xdp->tag));
memcpy(__entry->prog_tag, xdp->tag, sizeof(xdp->tag));
__assign_str(name, dev->name);
__entry->act = act;
),
TP_printk("prog=%s device=%s action=%s",
__print_hex_str(__entry->prog_tag, 8),
__get_str(name),
__print_symbolic(__entry->act, __XDP_ACT_SYM_TAB))
);
#endif /* _TRACE_XDP_H */
#include <trace/define_trace.h>
|