diff options
Diffstat (limited to 'VNFs/vFW/pipeline')
| -rw-r--r-- | VNFs/vFW/pipeline/pipeline_vfw_be.c | 20 |
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 */ |