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/tracepoint.h>
   9
  10 /*
  11  * Tracepoint for free an sk_buff:
  12  */
  13 TRACE_EVENT(kfree_skb,
  14
  15         TP_PROTO(struct sk_buff *skb, void *location),
  16
  17         TP_ARGS(skb, location),
  18
  19         TP_STRUCT__entry(
  20                 __field(        void *,         skbaddr         )
  21                 __field(        unsigned short, protocol        )
  22                 __field(        void *,         location        )
  23         ),
  24
  25         TP_fast_assign(
  26                 __entry->skbaddr = skb;
  27                 if (skb) {
  28                         __entry->protocol = ntohs(skb->protocol);
  29                 }
  30                 __entry->location = location;
  31         ),
  32
  33         TP_printk("skbaddr=%p protocol=%u location=%p",
  34                 __entry->skbaddr, __entry->protocol, __entry->location)
  35 );
  36
  37 #endif /* _TRACE_SKB_H */
  38
  39 /* This part must be outside protection */
  40 #include <trace/define_trace.h>