include/instrumentation/events/udp.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM udp
   4
   5 #if !defined(LTTNG_TRACE_UDP_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define LTTNG_TRACE_UDP_H
   7
   8 #include <lttng/tracepoint-event.h>
   9 #include <linux/udp.h>
  10 #include <lttng/kernel-version.h>
  11
  12 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,10,0))
  13 LTTNG_TRACEPOINT_ENUM(lttng_sk_family,
  14         TP_ENUM_VALUES(
  15                 ctf_enum_value("AF_INET", AF_INET)
  16                 ctf_enum_value("AF_INET6", AF_INET6)
  17         )
  18 )
  19
  20 LTTNG_TRACEPOINT_EVENT(udp_fail_queue_rcv_skb,
  21
  22         TP_PROTO(int rc, struct sock *sk, struct sk_buff *skb),
  23
  24         TP_ARGS(rc, sk, skb),
  25
  26         TP_FIELDS(
  27                 ctf_integer(int, rc, rc)
  28                 ctf_integer(__u16, sport, ntohs(udp_hdr(skb)->source))
  29                 ctf_integer(__u16, dport, ntohs(udp_hdr(skb)->dest))
  30                 ctf_enum(lttng_sk_family, __u16, family, sk->sk_family)
  31                 /*
  32                  * The 'saddr' and 'daddr' fields from the upstream tracepoint
  33                  * are currently not extracted. It is recommended to use a
  34                  * tracepoint from the 'net' probe instead which includes all
  35                  * fields from the IP header.
  36                  */
  37         )
  38 )
  39 #else
  40 LTTNG_TRACEPOINT_EVENT(udp_fail_queue_rcv_skb,
  41
  42         TP_PROTO(int rc, struct sock *sk),
  43
  44         TP_ARGS(rc, sk),
  45
  46         TP_FIELDS(
  47                 ctf_integer(int, rc, rc)
  48                 ctf_integer(__u16, lport, inet_sk(sk)->inet_num)
  49         )
  50 )
  51 #endif
  52
  53 #endif /* LTTNG_TRACE_UDP_H */
  54
  55 /* This part must be outside protection */
  56 #include <lttng/define_trace.h>