include/trace/events/udp.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM udp
   4
   5 #if !defined(_TRACE_UDP_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define _TRACE_UDP_H
   7
   8 #include <linux/udp.h>
   9 #include <linux/tracepoint.h>
  10 #include <trace/events/net_probe_common.h>
  11
  12 TRACE_EVENT(udp_fail_queue_rcv_skb,
  13
  14         TP_PROTO(int rc, struct sock *sk, struct sk_buff *skb),
  15
  16         TP_ARGS(rc, sk, skb),
  17
  18         TP_STRUCT__entry(
  19                 __field(int, rc)
  20
  21                 __field(__u16, sport)
  22                 __field(__u16, dport)
  23                 __field(__u16, family)
  24                 __array(__u8, saddr, sizeof(struct sockaddr_in6))
  25                 __array(__u8, daddr, sizeof(struct sockaddr_in6))
  26         ),
  27
  28         TP_fast_assign(
  29                 const struct udphdr *uh = (const struct udphdr *)udp_hdr(skb);
  30
  31                 __entry->rc = rc;
  32
  33                 /* for filtering use */
  34                 __entry->sport = ntohs(uh->source);
  35                 __entry->dport = ntohs(uh->dest);
  36                 __entry->family = sk->sk_family;
  37
  38                 memset(__entry->saddr, 0, sizeof(struct sockaddr_in6));
  39                 memset(__entry->daddr, 0, sizeof(struct sockaddr_in6));
  40
  41                 TP_STORE_ADDR_PORTS_SKB(skb, uh, __entry->saddr, __entry->daddr);
  42         ),
  43
  44         TP_printk("rc=%d family=%s src=%pISpc dest=%pISpc", __entry->rc,
  45                   show_family_name(__entry->family),
  46                   __entry->saddr, __entry->daddr)
  47 );
  48
  49 #endif /* _TRACE_UDP_H */
  50
  51 /* This part must be outside protection */
  52 #include <trace/define_trace.h>