Viewing file:  skb.h (1.94 KB) -rw-r--r--
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/* 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>
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