diff --git a/include/trace/events/udp.h b/include/trace/events/udp.h new file mode 100644 index 0000000000000000000000000000000000000000..a664bb9409730ef872858900e9de461ba1d8ebe6 --- /dev/null +++ b/include/trace/events/udp.h @@ -0,0 +1,32 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM udp + +#if !defined(_TRACE_UDP_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_UDP_H + +#include +#include + +TRACE_EVENT(udp_fail_queue_rcv_skb, + + TP_PROTO(int rc, struct sock *sk), + + TP_ARGS(rc, sk), + + TP_STRUCT__entry( + __field(int, rc) + __field(__u16, lport) + ), + + TP_fast_assign( + __entry->rc = rc; + __entry->lport = inet_sk(sk)->inet_num; + ), + + TP_printk("rc=%d port=%hu", __entry->rc, __entry->lport) +); + +#endif /* _TRACE_UDP_H */ + +/* This part must be outside protection */ +#include diff --git a/net/core/net-traces.c b/net/core/net-traces.c index 7f1bb2aba03bf0e501ee1625ba6f07163b528ab9..13aab64520adc4a9fa1590ad646960d6517d7605 100644 --- a/net/core/net-traces.c +++ b/net/core/net-traces.c @@ -28,6 +28,7 @@ #include #include #include +#include EXPORT_TRACEPOINT_SYMBOL_GPL(kfree_skb); diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index abca870d8ff69fe76a19bef7d9338d4f80fabaf0..37aa9bf8d38211f854b51ead517be090c28d75b0 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -105,6 +105,7 @@ #include #include #include +#include #include "udp_impl.h" struct udp_table udp_table __read_mostly; @@ -1363,6 +1364,7 @@ static int __udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) is_udplite); UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, is_udplite); kfree_skb(skb); + trace_udp_fail_queue_rcv_skb(rc, sk); return -1; }