app/testpmd: fix Tx offload flags

ol_flags can be wrong if DEV_TX_OFFLOAD_VLAN_INSERT is not set in
tx_offloads

Fixes: 3eecba267cd6 ("app/testpmd: cleanup internal Tx offloads flags field")
Cc: stable@dpdk.org
Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
Acked-by: Bernard Iremonger <bernard.iremonger@intel.com>

diff --git a/app/test-pmd/flowgen.c b/app/test-pmd/flowgen.c
index 0531b5d..3214e3c 100644 (file)
--- a/app/test-pmd/flowgen.c
+++ b/app/test-pmd/flowgen.c
@@ -123,7 +123,7 @@ pkt_burst_flow_gen(struct fwd_stream *fs)
        struct ipv4_hdr *ip_hdr;
        struct udp_hdr *udp_hdr;
        uint16_t vlan_tci, vlan_tci_outer;
-       uint64_t ol_flags;
+       uint64_t ol_flags = 0;
        uint16_t nb_rx;
        uint16_t nb_tx;
        uint16_t nb_pkt;
@@ -155,7 +155,7 @@ pkt_burst_flow_gen(struct fwd_stream *fs)
 
        tx_offloads = ports[fs->tx_port].dev_conf.txmode.offloads;
        if (tx_offloads & DEV_TX_OFFLOAD_VLAN_INSERT)
-               ol_flags = PKT_TX_VLAN_PKT;
+               ol_flags |= PKT_TX_VLAN_PKT;
        if (tx_offloads & DEV_TX_OFFLOAD_QINQ_INSERT)
                ol_flags |= PKT_TX_QINQ_PKT;
        if (tx_offloads & DEV_TX_OFFLOAD_MACSEC_INSERT)