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Diffstat (limited to 'VNFs/vFW/pipeline/pipeline_vfw_be.c')
-rw-r--r--VNFs/vFW/pipeline/pipeline_vfw_be.c20
1 files changed, 0 insertions, 20 deletions
diff --git a/VNFs/vFW/pipeline/pipeline_vfw_be.c b/VNFs/vFW/pipeline/pipeline_vfw_be.c
index 70057b41..7c532ed3 100644
--- a/VNFs/vFW/pipeline/pipeline_vfw_be.c
+++ b/VNFs/vFW/pipeline/pipeline_vfw_be.c
@@ -637,14 +637,6 @@ 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 +662,6 @@ 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 */