Fix build for RHEL 8.8 with linux 4.18.0-477.10.1+

[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 106478bdbca8761060b996f71ebbc3c162ea5c18..b52cf682310a7201c05bb86007f622833d82820a 100644 (file)
--- a/instrumentation/events/lttng-module/skb.h
+++ b/instrumentation/events/lttng-module/skb.h
@@ -1,42 +1,82 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM skb
 
 #if !defined(LTTNG_TRACE_SKB_H) || defined(TRACE_HEADER_MULTI_READ)
 #define LTTNG_TRACE_SKB_H
 
-#include "../../../probes/lttng-tracepoint-event.h"
+#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_KERNEL_RANGE(5,15,58, 5,16,0) \
+       || LTTNG_RHEL_KERNEL_RANGE(4,18,0,477,10,1, 4,19,0,0,0,0))
+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("SOCKET_FILTER", SKB_DROP_REASON_SOCKET_FILTER)
+               ctf_enum_value("UDP_CSUM",      SKB_DROP_REASON_UDP_CSUM)
+               ctf_enum_value("MAX",           SKB_DROP_REASON_MAX)
+       )
+)
+#elif (LTTNG_RHEL_KERNEL_RANGE(5,14,0,70,0,0, 5,15,0,0,0,0))
+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("UDP_CSUM",      SKB_DROP_REASON_UDP_CSUM)
+               ctf_enum_value("MAX",           SKB_DROP_REASON_MAX)
+       )
+)
+#endif
+
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,17,0) \
+       || LTTNG_KERNEL_RANGE(5,15,58, 5,16,0) \
+       || LTTNG_RHEL_KERNEL_RANGE(5,14,0,70,0,0, 5,15,0,0,0,0) \
+       || LTTNG_RHEL_KERNEL_RANGE(4,18,0,477,10,1, 4,19,0,0,0,0))
 LTTNG_TRACEPOINT_EVENT_MAP(kfree_skb,
 
        skb_kfree,
 
-       TP_PROTO(struct sk_buff *skb, void *location),
+       TP_PROTO(struct sk_buff *skb, void *location,
+               enum skb_drop_reason reason),
 
-       TP_ARGS(skb, location),
+       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,
 
-       TP_STRUCT__entry(
-               __field(        void *,         skbaddr         )
-               __field(        void *,         location        )
-               __field(        unsigned short, protocol        )
-       ),
+       TP_PROTO(struct sk_buff *skb, void *location),
 
-       TP_fast_assign(
-               tp_assign(skbaddr, skb)
-               tp_assign(location, location)
-               tp_assign(protocol, ntohs(skb->protocol))
-       ),
+       TP_ARGS(skb, location),
 
-       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)
+       )
 )
+#endif
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
 LTTNG_TRACEPOINT_EVENT_MAP(consume_skb,
 
        skb_consume,
@@ -45,40 +85,24 @@ LTTNG_TRACEPOINT_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))
 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 /* LTTNG_TRACE_SKB_H */
 
 /* This part must be outside protection */
-#include "../../../probes/define_trace.h"
+#include <probes/define_trace.h>