1 files changed, 24 insertions, 26 deletions

diff --git a/VNFs/vFW/pipeline/pipeline_vfw_be.c b/VNFs/vFW/pipeline/pipeline_vfw_be.c
index 70057b41..97508a77 100644
--- a/VNFs/vFW/pipeline/pipeline_vfw_be.c
+++ b/VNFs/vFW/pipeline/pipeline_vfw_be.c
@@ -599,9 +599,18 @@ rte_vfw_ipv4_packet_filter_and_process(struct rte_mbuf **pkts,
               /* remove this packet from remaining list */
               pkts_to_process &= ~pkt_mask;
 
-              if (enable_hwlb)
-                     if (!check_arp_icmp(pkt, vfw_pipe))
-                            discard = 1;
+	      if (enable_hwlb) {
+		      if (!check_arp_icmp(pkt, vfw_pipe)) {
+			      /* make next packet data the current */
+			      pkts_to_process = next_pkts_to_process;
+			      pos = next_pos;
+			      pkt = next_pkt;
+			      ihdr4 = next_iphdr;
+			      pkt_mask = 1LLU << pos;
+			      valid_packets &= ~pkt_mask;
+			      continue;
+		     }
+	      }
 
               uint32_t packet_length = rte_pktmbuf_pkt_len(pkt);
 
@@ -637,14 +646,6 @@ rte_vfw_ipv4_packet_filter_and_process(struct rte_mbuf **pkts,
                      vfw_pipe->counters->pkts_drop_fragmented++;
               }
 
-              /*
-               * Behave like a router, and decrement the TTL of an
-               * IP packet. If this causes the TTL to become zero,
-               * the packet will be discarded. Unlike a router,
-               * no ICMP code 11 (Time * Exceeded) message will be
-               * sent back to the packet originator.
-               */
-
               if (unlikely(ttl <= 1)) {
                      /*
                       * about to decrement to zero (or is somehow
@@ -670,18 +671,6 @@ rte_vfw_ipv4_packet_filter_and_process(struct rte_mbuf **pkts,
 
               if (unlikely(discard)) {
                      valid_packets &= ~pkt_mask;
-              } else {
-                     ihdr4->time_to_live = ttl - 1;
-
-                     /* update header checksum, from rfc 1141 */
-                     uint32_t sum;
-                     uint16_t checksum = rte_bswap16(
-                                   ihdr4->hdr_checksum);
-                     /* increment checksum high byte */
-                     sum = checksum + 0x100;
-                     /* add carry */
-                     checksum = (sum + (sum >> BIT_CARRY));
-                     ihdr4->hdr_checksum = rte_bswap16(checksum);
               }
 
               /* make next packet data the current */
@@ -769,9 +758,18 @@ rte_vfw_ipv6_packet_filter_and_process(struct rte_mbuf **pkts,
               /* remove this packet from remaining list */
               pkts_to_process &= ~pkt_mask;
 
-              if (enable_hwlb)
-                     if (!check_arp_icmp(pkt, vfw_pipe))
-                            discard = 1;
+              if (enable_hwlb) {
+                     if (!check_arp_icmp(pkt, vfw_pipe)) {
+			     /* make next packet data the current */
+			     pkts_to_process = next_pkts_to_process;
+			     pos = next_pos;
+			     pkt = next_pkt;
+			     ihdr6 = next_iphdr;
+			     pkt_mask = 1LLU << pos;
+			     valid_packets &= ~pkt_mask;
+			     continue;
+		     }
+	      }
 
               uint32_t packet_length = rte_pktmbuf_pkt_len(pkt);