1 /* SPDX-License-Identifier: GPL-2.0 */
3 #define TRACE_SYSTEM skb
5 #if !defined(_TRACE_SKB_H) || defined(TRACE_HEADER_MULTI_READ)
8 #include <linux/skbuff.h>
9 #include <linux/netdevice.h>
10 #include <linux/tracepoint.h>
12 #define TRACE_SKB_DROP_REASON \
13 EM(SKB_DROP_REASON_NOT_SPECIFIED, NOT_SPECIFIED) \
14 EM(SKB_DROP_REASON_NO_SOCKET, NO_SOCKET) \
15 EM(SKB_DROP_REASON_PKT_TOO_SMALL, PKT_TOO_SMALL) \
16 EM(SKB_DROP_REASON_TCP_CSUM, TCP_CSUM) \
17 EM(SKB_DROP_REASON_SOCKET_FILTER, SOCKET_FILTER) \
18 EM(SKB_DROP_REASON_UDP_CSUM, UDP_CSUM) \
19 EMe(SKB_DROP_REASON_MAX, MAX)
24 #define EM(a, b) TRACE_DEFINE_ENUM(a);
25 #define EMe(a, b) TRACE_DEFINE_ENUM(a);
31 #define EM(a, b) { a, #b },
32 #define EMe(a, b) { a, #b }
35 * Tracepoint for free an sk_buff:
37 TRACE_EVENT(kfree_skb,
39 TP_PROTO(struct sk_buff *skb, void *location,
40 enum skb_drop_reason reason),
42 TP_ARGS(skb, location, reason),
45 __field(void *, skbaddr)
46 __field(void *, location)
47 __field(unsigned short, protocol)
48 __field(enum skb_drop_reason, reason)
52 __entry->skbaddr = skb;
53 __entry->location = location;
54 __entry->protocol = ntohs(skb->protocol);
55 __entry->reason = reason;
58 TP_printk("skbaddr=%p protocol=%u location=%p reason: %s",
59 __entry->skbaddr, __entry->protocol, __entry->location,
60 __print_symbolic(__entry->reason,
61 TRACE_SKB_DROP_REASON))
64 TRACE_EVENT(consume_skb,
66 TP_PROTO(struct sk_buff *skb),
71 __field( void *, skbaddr )
75 __entry->skbaddr = skb;
78 TP_printk("skbaddr=%p", __entry->skbaddr)
81 TRACE_EVENT(skb_copy_datagram_iovec,
83 TP_PROTO(const struct sk_buff *skb, int len),
88 __field( const void *, skbaddr )
93 __entry->skbaddr = skb;
97 TP_printk("skbaddr=%p len=%d", __entry->skbaddr, __entry->len)
100 #endif /* _TRACE_SKB_H */
102 /* This part must be outside protection */
103 #include <trace/define_trace.h>