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),
28
29	TP_ARGS(skb, location, reason),
30
31	TP_STRUCT__entry(
32		__field(void *,		skbaddr)
33		__field(void *,		location)
 
34		__field(unsigned short,	protocol)
35		__field(enum skb_drop_reason,	reason)
36	),
37
38	TP_fast_assign(
39		__entry->skbaddr = skb;
40		__entry->location = location;
 
41		__entry->protocol = ntohs(skb->protocol);
42		__entry->reason = reason;
43	),
44
45	TP_printk("skbaddr=%p protocol=%u location=%pS reason: %s",
46		  __entry->skbaddr, __entry->protocol, __entry->location,
 
47		  __print_symbolic(__entry->reason,
48				   DEFINE_DROP_REASON(FN, FNe)))
49);
50
51#undef FN
52#undef FNe
53
54TRACE_EVENT(consume_skb,
55
56	TP_PROTO(struct sk_buff *skb),
57
58	TP_ARGS(skb),
59
60	TP_STRUCT__entry(
61		__field(	void *,	skbaddr	)
 
62	),
63
64	TP_fast_assign(
65		__entry->skbaddr = skb;
 
66	),
67
68	TP_printk("skbaddr=%p", __entry->skbaddr)
69);
70
71TRACE_EVENT(skb_copy_datagram_iovec,
72
73	TP_PROTO(const struct sk_buff *skb, int len),
74
75	TP_ARGS(skb, len),
76
77	TP_STRUCT__entry(
78		__field(	const void *,		skbaddr		)
79		__field(	int,			len		)
80	),
81
82	TP_fast_assign(
83		__entry->skbaddr = skb;
84		__entry->len = len;
85	),
86
87	TP_printk("skbaddr=%p len=%d", __entry->skbaddr, __entry->len)
88);
89
90#endif /* _TRACE_SKB_H */
91
92/* This part must be outside protection */
93#include <trace/define_trace.h>

 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>