1/* SPDX-License-Identifier: GPL-2.0 */
 2#undef TRACE_SYSTEM
 3#define TRACE_SYSTEM skb
 4
 5#if !defined(_TRACE_SKB_H) || defined(TRACE_HEADER_MULTI_READ)
 6#define _TRACE_SKB_H
 7
 8#include <linux/skbuff.h>
 9#include <linux/netdevice.h>
10#include <linux/tracepoint.h>
11
12#undef FN
13#define FN(reason)	TRACE_DEFINE_ENUM(SKB_DROP_REASON_##reason);
14DEFINE_DROP_REASON(FN, FN)
15
16#undef FN
17#undef FNe
18#define FN(reason)	{ SKB_DROP_REASON_##reason, #reason },
19#define FNe(reason)	{ SKB_DROP_REASON_##reason, #reason }
20
21/*
22 * Tracepoint for free an sk_buff:
23 */
24TRACE_EVENT(kfree_skb,
25
26	TP_PROTO(struct sk_buff *skb, void *location,
27		 enum skb_drop_reason reason, struct sock *rx_sk),
28
29	TP_ARGS(skb, location, reason, rx_sk),
30
31	TP_STRUCT__entry(
32		__field(void *,		skbaddr)
33		__field(void *,		location)
34		__field(void *,		rx_sk)
35		__field(unsigned short,	protocol)
36		__field(enum skb_drop_reason,	reason)
37	),
38
39	TP_fast_assign(
40		__entry->skbaddr = skb;
41		__entry->location = location;
42		__entry->rx_sk = rx_sk;
43		__entry->protocol = ntohs(skb->protocol);
44		__entry->reason = reason;
45	),
46
47	TP_printk("skbaddr=%p rx_sk=%p protocol=%u location=%pS reason: %s",
48		  __entry->skbaddr, __entry->rx_sk, __entry->protocol,
49		  __entry->location,
50		  __print_symbolic(__entry->reason,
51				   DEFINE_DROP_REASON(FN, FNe)))
52);
53
54#undef FN
55#undef FNe
56
57TRACE_EVENT(consume_skb,
58
59	TP_PROTO(struct sk_buff *skb, void *location),
60
61	TP_ARGS(skb, location),
62
63	TP_STRUCT__entry(
64		__field(	void *,	skbaddr)
65		__field(	void *,	location)
66	),
67
68	TP_fast_assign(
69		__entry->skbaddr = skb;
70		__entry->location = location;
71	),
72
73	TP_printk("skbaddr=%p location=%pS", __entry->skbaddr, __entry->location)
74);
75
76TRACE_EVENT(skb_copy_datagram_iovec,
77
78	TP_PROTO(const struct sk_buff *skb, int len),
79
80	TP_ARGS(skb, len),
81
82	TP_STRUCT__entry(
83		__field(	const void *,		skbaddr		)
84		__field(	int,			len		)
85	),
86
87	TP_fast_assign(
88		__entry->skbaddr = skb;
89		__entry->len = len;
90	),
91
92	TP_printk("skbaddr=%p len=%d", __entry->skbaddr, __entry->len)
93);
94
95#endif /* _TRACE_SKB_H */
96
97/* This part must be outside protection */
98#include <trace/define_trace.h>

 
 1#undef TRACE_SYSTEM
 2#define TRACE_SYSTEM skb
 3
 4#if !defined(_TRACE_SKB_H) || defined(TRACE_HEADER_MULTI_READ)
 5#define _TRACE_SKB_H
 6
 7#include <linux/skbuff.h>
 8#include <linux/netdevice.h>
 9#include <linux/tracepoint.h>
10
 
 
 
 
 
 
 
 
 
11/*
12 * Tracepoint for free an sk_buff:
13 */
14TRACE_EVENT(kfree_skb,
15
16	TP_PROTO(struct sk_buff *skb, void *location),
 
17
18	TP_ARGS(skb, location),
19
20	TP_STRUCT__entry(
21		__field(	void *,		skbaddr		)
22		__field(	void *,		location	)
23		__field(	unsigned short,	protocol	)
 
 
24	),
25
26	TP_fast_assign(
27		__entry->skbaddr = skb;
28		__entry->location = location;
 
29		__entry->protocol = ntohs(skb->protocol);
 
30	),
31
32	TP_printk("skbaddr=%p protocol=%u location=%p",
33		__entry->skbaddr, __entry->protocol, __entry->location)
 
 
 
34);
35
 
 
 
36TRACE_EVENT(consume_skb,
37
38	TP_PROTO(struct sk_buff *skb),
39
40	TP_ARGS(skb),
41
42	TP_STRUCT__entry(
43		__field(	void *,	skbaddr	)
 
44	),
45
46	TP_fast_assign(
47		__entry->skbaddr = skb;
 
48	),
49
50	TP_printk("skbaddr=%p", __entry->skbaddr)
51);
52
53TRACE_EVENT(skb_copy_datagram_iovec,
54
55	TP_PROTO(const struct sk_buff *skb, int len),
56
57	TP_ARGS(skb, len),
58
59	TP_STRUCT__entry(
60		__field(	const void *,		skbaddr		)
61		__field(	int,			len		)
62	),
63
64	TP_fast_assign(
65		__entry->skbaddr = skb;
66		__entry->len = len;
67	),
68
69	TP_printk("skbaddr=%p len=%d", __entry->skbaddr, __entry->len)
70);
71
72#endif /* _TRACE_SKB_H */
73
74/* This part must be outside protection */
75#include <trace/define_trace.h>