Add ifdefs to net probe to support Linux 2.6.39

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/instrumentation/events/lttng-module/net.h b/instrumentation/events/lttng-module/net.h
index c25b0d92f6b416084592d44a058ebb6775e8efd4..589011c07b8e3139e217c78ba284112ab57e2d82 100644 (file)
--- a/instrumentation/events/lttng-module/net.h
+++ b/instrumentation/events/lttng-module/net.h
@@ -8,29 +8,50 @@
 #include <linux/netdevice.h>
 #include <linux/ip.h>
 #include <linux/tracepoint.h>
+#include <linux/version.h>
 
 TRACE_EVENT(net_dev_xmit,
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,0))
        TP_PROTO(struct sk_buff *skb,
                 int rc,
                 struct net_device *dev,
                 unsigned int skb_len),
 
        TP_ARGS(skb, rc, dev, skb_len),
+#else
+       TP_PROTO(struct sk_buff *skb,
+                int rc),
+       
+       TP_ARGS(skb, rc),
+#endif
 
        TP_STRUCT__entry(
                __field(        void *,         skbaddr         )
                __field(        unsigned int,   len             )
                __field(        int,            rc              )
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,0))
                __string(       name,           dev->name       )
+#else
+               __string(       name,           skb->dev->name  )
+#endif
        ),
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,0))
        TP_fast_assign(
                tp_assign(skbaddr, skb);
                tp_assign(len, skb_len);
                tp_assign(rc, rc);
                tp_strcpy(name, dev->name);
        ),
+#else
+       TP_fast_assign(
+               tp_assign(skbaddr, skb);
+               tp_assign(len, skb->len);
+               tp_assign(rc, rc);
+               tp_strcpy(name, skb->dev->name);
+       ),
+#endif
 
        TP_printk("dev=%s skbaddr=%p len=%u rc=%d",
                __get_str(name), __entry->skbaddr, __entry->len, __entry->rc)