net/fm10k: fix descriptor VLAN field filling in Tx

The VLAN field in the descriptor is not filled when ol_flags has
no VLAN flag. When the caller sends some packets with VLAN tags,
but other packets do not have VLAN tags, the behavior of the program
cannot be determined.

Fixes: 4b61d3bfa941 ("fm10k: add receive and tranmit")
Cc: stable@dpdk.org
Signed-off-by: Lu Qiuwen <luqiuwen@iie.ac.cn>
Acked-by: Xiao Wang <xiao.w.wang@intel.com>

diff --git a/drivers/net/fm10k/fm10k_rxtx.c b/drivers/net/fm10k/fm10k_rxtx.c
index 5c311218395c49bc2ef9ca0dc41ed238dee5c439..4accaa2cd652e8030162bd3aa1af75c9bfc7d576 100644 (file)
--- a/drivers/net/fm10k/fm10k_rxtx.c
+++ b/drivers/net/fm10k/fm10k_rxtx.c
@@ -611,6 +611,8 @@ static inline void tx_xmit_pkt(struct fm10k_tx_queue *q, struct rte_mbuf *mb)
        /* set vlan if requested */
        if (mb->ol_flags & PKT_TX_VLAN_PKT)
                q->hw_ring[q->next_free].vlan = mb->vlan_tci;
+       else
+               q->hw_ring[q->next_free].vlan = 0;
 
        q->sw_ring[q->next_free] = mb;
        q->hw_ring[q->next_free].buffer_addr =