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-rw-r--r--include/trace/events/skb.h93
1 files changed, 93 insertions, 0 deletions
diff --git a/include/trace/events/skb.h b/include/trace/events/skb.h
new file mode 100644
index 000000000..50a974f7d
--- /dev/null
+++ b/include/trace/events/skb.h
@@ -0,0 +1,93 @@
+/* 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=%p 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),
+
+ 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>