Drop support for kernels < 3.0 from skb instrumentation

[lttng-modules.git] / instrumentation / events / lttng-module / skb.h

diff --git a/instrumentation/events/lttng-module/skb.h b/instrumentation/events/lttng-module/skb.h
index a257304916c97f215ea188c14b70fce48bc273f4..1726b4457c567bf99f652a1346d4ebfd02845b1d 100644 (file)
--- a/instrumentation/events/lttng-module/skb.h
+++ b/instrumentation/events/lttng-module/skb.h
@@ -1,18 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM skb
 
-#if !defined(_TRACE_SKB_H) || defined(TRACE_HEADER_MULTI_READ)
-#define _TRACE_SKB_H
+#if !defined(LTTNG_TRACE_SKB_H) || defined(TRACE_HEADER_MULTI_READ)
+#define LTTNG_TRACE_SKB_H
 
+#include <probes/lttng-tracepoint-event.h>
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
-#include <linux/tracepoint.h>
 #include <linux/version.h>
 
 /*
  * Tracepoint for free an sk_buff:
  */
-TRACE_EVENT_MAP(kfree_skb,
+LTTNG_TRACEPOINT_EVENT_MAP(kfree_skb,
 
        skb_kfree,
 
@@ -20,24 +21,14 @@ TRACE_EVENT_MAP(kfree_skb,
 
        TP_ARGS(skb, location),
 
-       TP_STRUCT__entry(
-               __field(        void *,         skbaddr         )
-               __field(        void *,         location        )
-               __field(        unsigned short, protocol        )
-       ),
-
-       TP_fast_assign(
-               tp_assign(skbaddr, skb)
-               tp_assign(location, location)
-               tp_assign(protocol, ntohs(skb->protocol))
-       ),
-
-       TP_printk("skbaddr=%p protocol=%u location=%p",
-               __entry->skbaddr, __entry->protocol, __entry->location)
+       TP_FIELDS(
+               ctf_integer_hex(void *, skbaddr, skb)
+               ctf_integer_hex(void *, location, location)
+               ctf_integer_network(unsigned short, protocol, skb->protocol)
+       )
 )
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
-TRACE_EVENT_MAP(consume_skb,
+LTTNG_TRACEPOINT_EVENT_MAP(consume_skb,
 
        skb_consume,
 
@@ -45,40 +36,24 @@ TRACE_EVENT_MAP(consume_skb,
 
        TP_ARGS(skb),
 
-       TP_STRUCT__entry(
-               __field(        void *, skbaddr )
-       ),
-
-       TP_fast_assign(
-               tp_assign(skbaddr, skb)
-       ),
-
-       TP_printk("skbaddr=%p", __entry->skbaddr)
+       TP_FIELDS(
+               ctf_integer_hex(void *, skbaddr, skb)
+       )
 )
-#endif
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
-TRACE_EVENT(skb_copy_datagram_iovec,
+LTTNG_TRACEPOINT_EVENT(skb_copy_datagram_iovec,
 
        TP_PROTO(const struct sk_buff *skb, int len),
 
        TP_ARGS(skb, len),
 
-       TP_STRUCT__entry(
-               __field(        const void *,           skbaddr         )
-               __field(        int,                    len             )
-       ),
-
-       TP_fast_assign(
-               tp_assign(skbaddr, skb)
-               tp_assign(len, len)
-       ),
-
-       TP_printk("skbaddr=%p len=%d", __entry->skbaddr, __entry->len)
+       TP_FIELDS(
+               ctf_integer_hex(const void *, skbaddr, skb)
+               ctf_integer(int, len, len)
+       )
 )
-#endif
 
-#endif /* _TRACE_SKB_H */
+#endif /* LTTNG_TRACE_SKB_H */
 
 /* This part must be outside protection */
-#include "../../../probes/define_trace.h"
+#include <probes/define_trace.h>