[dpdk-dev] [PATCH v2 3/3] examples/ip_reassembly: Enabling IP checksum offload in mbuf

[Sunil Kumar Kori <skori@marvell.com>]

As per the documentation to use any IP offload features, application
must set required offload flags into mbuf->ol_flags.

Signed-off-by: Sunil Kumar Kori <skori@marvell.com>
---
 examples/ip_reassembly/main.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/examples/ip_reassembly/main.c b/examples/ip_reassembly/main.c
index 17b55d4..686e364 100644
--- a/examples/ip_reassembly/main.c
+++ b/examples/ip_reassembly/main.c
@@ -353,6 +353,9 @@ struct rte_lpm6_config lpm6_config = {
 					struct ether_hdr *);
 				ip_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
 			}
+
+			/* update offloading flags */
+			m->ol_flags |= (PKT_TX_IPV4 | PKT_TX_IP_CKSUM);
 		}
 		ip_dst = rte_be_to_cpu_32(ip_hdr->dst_addr);
 
@@ -391,6 +394,9 @@ struct rte_lpm6_config lpm6_config = {
 				eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
 				ip_hdr = (struct ipv6_hdr *)(eth_hdr + 1);
 			}
+
+			/* update offloading flags */
+			m->ol_flags |= PKT_TX_IPV6;
 		}
 
 		/* Find destination port */
-- 
1.8.3.1