Intialise the unused fields of the data structure and add support for
ports in UDP packets.

Signed-off-by: Julien Desfossez <[email protected]>
---
 probes/net-extended-trace.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/probes/net-extended-trace.c b/probes/net-extended-trace.c
index 15fc810..d7bb4f8 100644
--- a/probes/net-extended-trace.c
+++ b/probes/net-extended-trace.c
@@ -42,6 +42,9 @@ notrace void probe_net_dev_xmit_extended(void *_data, struct 
sk_buff *skb)
        struct serialize_l214421224411111 data;
        struct iphdr *iph = ip_hdr(skb);
        struct tcphdr *th = tcp_hdr(skb);
+       struct udphdr *uh = udp_hdr(skb);
+
+       memset(&data, 0, sizeof(struct serialize_l214421224411111));
 
        data.f1 = (unsigned long)skb;
        data.f2 = skb->protocol;
@@ -63,6 +66,9 @@ notrace void probe_net_dev_xmit_extended(void *_data, struct 
sk_buff *skb)
                        data.f14 = th->rst;
                        data.f15 = th->syn;
                        data.f16 = th->fin;
+               } else if (data.f3 == IPPROTO_UDP) {
+                       data.f8 = uh->source;
+                       data.f9 = uh->dest;
                }
        }
 
-- 
1.7.0.4


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