include/trace/events/skb.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM skb
   4
   5 #if !defined(_TRACE_SKB_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define _TRACE_SKB_H
   7
   8 #include <linux/skbuff.h>
   9 #include <linux/netdevice.h>
  10 #include <linux/tracepoint.h>
  11
  12 /*
  13  * Tracepoint for free an sk_buff:
  14  */
  15 TRACE_EVENT(kfree_skb,
  16
  17         TP_PROTO(struct sk_buff *skb, void *location,
  18                  enum skb_drop_reason reason),
  19
  20         TP_ARGS(skb, location, reason),
  21
  22         TP_STRUCT__entry(
  23                 __field(void *,         skbaddr)
  24                 __field(void *,         location)
  25                 __field(unsigned short, protocol)
  26                 __field(enum skb_drop_reason,   reason)
  27         ),
  28
  29         TP_fast_assign(
  30                 __entry->skbaddr = skb;
  31                 __entry->location = location;
  32                 __entry->protocol = ntohs(skb->protocol);
  33                 __entry->reason = reason;
  34         ),
  35
  36         TP_printk("skbaddr=%p protocol=%u location=%p reason: %s",
  37                   __entry->skbaddr, __entry->protocol, __entry->location,
  38                   drop_reasons[__entry->reason])
  39 );
  40
  41 TRACE_EVENT(consume_skb,
  42
  43         TP_PROTO(struct sk_buff *skb),
  44
  45         TP_ARGS(skb),
  46
  47         TP_STRUCT__entry(
  48                 __field(        void *, skbaddr )
  49         ),
  50
  51         TP_fast_assign(
  52                 __entry->skbaddr = skb;
  53         ),
  54
  55         TP_printk("skbaddr=%p", __entry->skbaddr)
  56 );
  57
  58 TRACE_EVENT(skb_copy_datagram_iovec,
  59
  60         TP_PROTO(const struct sk_buff *skb, int len),
  61
  62         TP_ARGS(skb, len),
  63
  64         TP_STRUCT__entry(
  65                 __field(        const void *,           skbaddr         )
  66                 __field(        int,                    len             )
  67         ),
  68
  69         TP_fast_assign(
  70                 __entry->skbaddr = skb;
  71                 __entry->len = len;
  72         ),
  73
  74         TP_printk("skbaddr=%p len=%d", __entry->skbaddr, __entry->len)
  75 );
  76
  77 #endif /* _TRACE_SKB_H */
  78
  79 /* This part must be outside protection */
  80 #include <trace/define_trace.h>