[dpdk-dev] [PATCH v3 1/2] examples/ip_fragmentation: Enabling IP checksum offload in mbuf

[Sunil Kumar Kori]

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 at marvell.com>
---
 examples/ip_fragmentation/main.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/examples/ip_fragmentation/main.c b/examples/ip_fragmentation/main.c
index e90a61e..719d6f4 100644
--- a/examples/ip_fragmentation/main.c
+++ b/examples/ip_fragmentation/main.c
@@ -354,10 +354,12 @@ struct rte_lpm6_config lpm6_config = {
 
 		/* src addr */
 		ether_addr_copy(&ports_eth_addr[port_out], &eth_hdr->s_addr);
-		if (ipv6)
+		if (ipv6) {
 			eth_hdr->ether_type = rte_be_to_cpu_16(ETHER_TYPE_IPv6);
-		else
+		} else {
 			eth_hdr->ether_type = rte_be_to_cpu_16(ETHER_TYPE_IPv4);
+			m->ol_flags |= (PKT_TX_IPV4 | PKT_TX_IP_CKSUM);
+		}
 	}
 
 	len += len2;
-- 
1.8.3.1