summaryrefslogtreecommitdiff
path: root/include/trace/events/skb.h
blob: 45264e4bb254f794e0236fe4fd42f1fbcdef4a30 (plain)
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
/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM skb

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

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

/*
 * Tracepoint for free an sk_buff:
 */
TRACE_EVENT(kfree_skb,

	TP_PROTO(struct sk_buff *skb, void *location,
		 enum skb_drop_reason reason),

	TP_ARGS(skb, location, reason),

	TP_STRUCT__entry(
		__field(void *,		skbaddr)
		__field(void *,		location)
		__field(unsigned short,	protocol)
		__field(enum skb_drop_reason,	reason)
	),

	TP_fast_assign(
		__entry->skbaddr = skb;
		__entry->location = location;
		__entry->protocol = ntohs(skb->protocol);
		__entry->reason = reason;
	),

	TP_printk("skbaddr=%p protocol=%u location=%p reason: %s",
		  __entry->skbaddr, __entry->protocol, __entry->location,
		  drop_reasons[__entry->reason])
);

TRACE_EVENT(consume_skb,

	TP_PROTO(struct sk_buff *skb),

	TP_ARGS(skb),

	TP_STRUCT__entry(
		__field(	void *,	skbaddr	)
	),

	TP_fast_assign(
		__entry->skbaddr = skb;
	),

	TP_printk("skbaddr=%p", __entry->skbaddr)
);

TRACE_EVENT(skb_copy_datagram_iovec,

	TP_PROTO(const struct sk_buff *skb, int len),

	TP_ARGS(skb, len),

	TP_STRUCT__entry(
		__field(	const void *,		skbaddr		)
		__field(	int,			len		)
	),

	TP_fast_assign(
		__entry->skbaddr = skb;
		__entry->len = len;
	),

	TP_printk("skbaddr=%p len=%d", __entry->skbaddr, __entry->len)
);

#endif /* _TRACE_SKB_H */

/* This part must be outside protection */
#include <trace/define_trace.h>