[PATCH] examples/ipsec-secgw: fix Tx checksum offload flag

[Radu Nicolau]

Fix a typo in computing port mask for Tx checksum offload capability.

Fixes: 4edcee19fc20 ("examples/ipsec-secgw: use Tx checksum offload 
conditionally")
Cc: ndabilpu...@marvell.com

Signed-off-by: Radu Nicolau <radu.nico...@intel.com>
---
 examples/ipsec-secgw/ipsec-secgw.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/ipsec-secgw/ipsec-secgw.c 
b/examples/ipsec-secgw/ipsec-secgw.c
index 8a25b83535..75ba359e69 100644
--- a/examples/ipsec-secgw/ipsec-secgw.c
+++ b/examples/ipsec-secgw/ipsec-secgw.c
@@ -3042,7 +3042,7 @@ main(int32_t argc, char **argv)
                port_init(portid, req_rx_offloads[portid],
                                req_tx_offloads[portid]);
                if ((req_tx_offloads[portid] & RTE_ETH_TX_OFFLOAD_IPV4_CKSUM))
-                       ipv4_cksum_port_mask = 1U << portid;
+                       ipv4_cksum_port_mask |= 1U << portid;
        }
 
        for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
-- 
2.25.1