Don't look for UDP header in second fragment and later.

Change-Id: I724e58d9ecee113ee7627f9d4b2b52f0033c2d16 Partial-Bug:1664734
Juniper · Feb 21, 2017 · 09af0c8 · 09af0c8
1 parent 1131bfb
commit 09af0c8
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/dpdk/vr_dpdk_ethdev.c b/dpdk/vr_dpdk_ethdev.c
@@ -899,8 +899,10 @@ dpdk_mbuf_parse_and_hash_packets(struct rte_mbuf *mbuf)
              */
             udp_hdr = (struct vr_udp *)((uintptr_t)ipv4_hdr + ipv4_len);
 
-            if (unlikely(mbuf_data_len < pull_len + sizeof(struct vr_udp)))
-                return -1;
+            if (likely(vr_ip_transport_header_valid(ipv4_hdr))) {
+                if (unlikely(mbuf_data_len < pull_len + sizeof(struct vr_udp)))
+                    return -1;
+            }
 
             /*
              * If it is a packet from VM, it for sure will not be MPLS-over-UDP,