Viewing file:  skb.h (2.41 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>
#define TRACE_SKB_DROP_REASON \
EM(SKB_DROP_REASON_NOT_SPECIFIED, NOT_SPECIFIED) \
EM(SKB_DROP_REASON_NO_SOCKET, NO_SOCKET) \
EM(SKB_DROP_REASON_PKT_TOO_SMALL, PKT_TOO_SMALL) \
EM(SKB_DROP_REASON_TCP_CSUM, TCP_CSUM) \
EM(SKB_DROP_REASON_SOCKET_FILTER, SOCKET_FILTER) \
EM(SKB_DROP_REASON_UDP_CSUM, UDP_CSUM) \
EM(SKB_DROP_REASON_NETFILTER_DROP, NETFILTER_DROP) \
EM(SKB_DROP_REASON_OTHERHOST, OTHERHOST) \
EM(SKB_DROP_REASON_IP_CSUM, IP_CSUM) \
EM(SKB_DROP_REASON_IP_INHDR, IP_INHDR) \
EM(SKB_DROP_REASON_IP_RPFILTER, IP_RPFILTER) \
EM(SKB_DROP_REASON_UNICAST_IN_L2_MULTICAST, \
UNICAST_IN_L2_MULTICAST) \
EMe(SKB_DROP_REASON_MAX, MAX)
#undef EM
#undef EMe
#define EM(a, b) TRACE_DEFINE_ENUM(a);
#define EMe(a, b) TRACE_DEFINE_ENUM(a);
TRACE_SKB_DROP_REASON
#undef EM
#undef EMe
#define EM(a, b) { a, #b },
#define EMe(a, b) { a, #b }
/*
* 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,
TRACE_SKB_DROP_REASON))
);
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>
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