fix: net: skb: introduce kfree_skb_reason() (v5.17)

[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 6d3fd45c61f5c748a88079bd3d26cd9f3bae342e..86729dae3db7510a9806eb4aab43d01c4a8a765f 100644 (file)
--- a/instrumentation/events/lttng-module/skb.h
+++ b/instrumentation/events/lttng-module/skb.h
@@ -8,11 +8,41 @@
 #include <probes/lttng-tracepoint-event.h>
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
-#include <linux/version.h>
+#include <lttng-kernel-version.h>
 
 /*
  * Tracepoint for free an sk_buff:
  */
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,17,0))
+LTTNG_TRACEPOINT_ENUM(skb_drop_reason,
+       TP_ENUM_VALUES(
+               ctf_enum_value("NOT_SPECIFIED", SKB_DROP_REASON_NOT_SPECIFIED)
+               ctf_enum_value("NO_SOCKET",     SKB_DROP_REASON_NO_SOCKET)
+               ctf_enum_value("PKT_TOO_SMALL", SKB_DROP_REASON_PKT_TOO_SMALL)
+               ctf_enum_value("TCP_CSUM",      SKB_DROP_REASON_TCP_CSUM)
+               ctf_enum_value("TCP_FILTER",    SKB_DROP_REASON_TCP_FILTER)
+               ctf_enum_value("UDP_CSUM",      SKB_DROP_REASON_UDP_CSUM)
+               ctf_enum_value("MAX",           SKB_DROP_REASON_MAX)
+       )
+)
+
+LTTNG_TRACEPOINT_EVENT_MAP(kfree_skb,
+
+       skb_kfree,
+
+       TP_PROTO(struct sk_buff *skb, void *location,
+               enum skb_drop_reason reason),
+
+       TP_ARGS(skb, location, reason),
+
+       TP_FIELDS(
+               ctf_integer_hex(void *, skbaddr, skb)
+               ctf_integer_hex(void *, location, location)
+               ctf_integer_network(unsigned short, protocol, skb->protocol)
+               ctf_enum(skb_drop_reason, uint8_t, reason, reason)
+       )
+)
+#else
 LTTNG_TRACEPOINT_EVENT_MAP(kfree_skb,
 
        skb_kfree,
@@ -27,8 +57,8 @@ LTTNG_TRACEPOINT_EVENT_MAP(kfree_skb,
                ctf_integer_network(unsigned short, protocol, skb->protocol)
        )
 )
+#endif
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
 LTTNG_TRACEPOINT_EVENT_MAP(consume_skb,
 
        skb_consume,
@@ -41,9 +71,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(consume_skb,
                ctf_integer_hex(void *, skbaddr, skb)
        )
 )
-#endif
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
 LTTNG_TRACEPOINT_EVENT(skb_copy_datagram_iovec,
 
        TP_PROTO(const struct sk_buff *skb, int len),
@@ -55,7 +83,6 @@ LTTNG_TRACEPOINT_EVENT(skb_copy_datagram_iovec,
                ctf_integer(int, len, len)
        )
 )
-#endif
 
 #endif /* LTTNG_TRACE_SKB_H */