X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=sidebyside;f=lib%2Flibrte_gro%2Fgro_vxlan_tcp4.c;h=acb9bc9198ef4744a9dafc6767db84b12359b663;hb=2660c6f653c11fa37f3385b9f5777f1eff6489c8;hp=ca86f010ca793b792b613f84cd869d86a476ebe3;hpb=9e0b9d2ec0f4bb7256f9b053c43d7c1d0c02c3e2;p=dpdk.git

diff --git a/lib/librte_gro/gro_vxlan_tcp4.c b/lib/librte_gro/gro_vxlan_tcp4.c
index ca86f010ca..acb9bc9198 100644
--- a/lib/librte_gro/gro_vxlan_tcp4.c
+++ b/lib/librte_gro/gro_vxlan_tcp4.c
@@ -295,7 +295,8 @@ gro_vxlan_tcp4_reassemble(struct rte_mbuf *pkt,
 	struct udp_hdr *udp_hdr;
 	struct vxlan_hdr *vxlan_hdr;
 	uint32_t sent_seq;
-	uint16_t tcp_dl, frag_off, outer_ip_id, ip_id;
+	int32_t tcp_dl;
+	uint16_t frag_off, outer_ip_id, ip_id;
 	uint8_t outer_is_atomic, is_atomic;
 
 	struct vxlan_tcp4_flow_key key;
@@ -305,6 +306,13 @@ gro_vxlan_tcp4_reassemble(struct rte_mbuf *pkt,
 	uint16_t hdr_len;
 	uint8_t find;
 
+	/*
+	 * Don't process the packet whose TCP header length is greater
+	 * than 60 bytes or less than 20 bytes.
+	 */
+	if (unlikely(INVALID_TCP_HDRLEN(pkt->l4_len)))
+		return -1;
+
 	outer_eth_hdr = rte_pktmbuf_mtod(pkt, struct ether_hdr *);
 	outer_ipv4_hdr = (struct ipv4_hdr *)((char *)outer_eth_hdr +
 			pkt->outer_l2_len);