1 files changed, 95 insertions, 0 deletions
diff --git a/include/trace/events/skb.h b/include/trace/events/skb.h
new file mode 100644
index 0000000000..07e0715628
--- /dev/null
+++ b/include/trace/events/skb.h
@@ -0,0 +1,95 @@
+/* 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>
+
+#undef FN
+#define FN(reason)	TRACE_DEFINE_ENUM(SKB_DROP_REASON_##reason);
+DEFINE_DROP_REASON(FN, FN)
+
+#undef FN
+#undef FNe
+#define FN(reason)	{ SKB_DROP_REASON_##reason, #reason },
+#define FNe(reason)	{ SKB_DROP_REASON_##reason, #reason }
+
+/*
+ * 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=%pS reason: %s",
+		  __entry->skbaddr, __entry->protocol, __entry->location,
+		  __print_symbolic(__entry->reason,
+				   DEFINE_DROP_REASON(FN, FNe)))
+);
+
+#undef FN
+#undef FNe
+
+TRACE_EVENT(consume_skb,
+
+	TP_PROTO(struct sk_buff *skb, void *location),
+
+	TP_ARGS(skb, location),
+
+	TP_STRUCT__entry(
+		__field(	void *,	skbaddr)
+		__field(	void *,	location)
+	),
+
+	TP_fast_assign(
+		__entry->skbaddr = skb;
+		__entry->location = location;
+	),
+
+	TP_printk("skbaddr=%p location=%pS", __entry->skbaddr, __entry->location)
+);
+
+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>