111 lines
2.4 KiB
C
111 lines
2.4 KiB
C
|
/* 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>
|