include/trace/events/skb.h

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