Signed-off-by: Jianfeng Tan <jianfeng.tan at intel.com>
---
 drivers/net/mlx4/mlx4.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/drivers/net/mlx4/mlx4.c b/drivers/net/mlx4/mlx4.c
index 207bfe2..85afa32 100644
--- a/drivers/net/mlx4/mlx4.c
+++ b/drivers/net/mlx4/mlx4.c
@@ -2836,6 +2836,8 @@ rxq_cleanup(struct rxq *rxq)
  * @param flags
  *   RX completion flags returned by poll_length_flags().
  *
+ * @note: fix mlx4_dev_ptype_info_get() if any change here.
+ *
  * @return
  *   Packet type for struct rte_mbuf.
  */
@@ -4268,6 +4270,30 @@ mlx4_dev_infos_get(struct rte_eth_dev *dev, struct 
rte_eth_dev_info *info)
        priv_unlock(priv);
 }

+static int
+mlx4_dev_ptype_info_get(struct rte_eth_dev *dev, uint32_t ptype_mask,
+               uint32_t ptypes[])
+{
+       int num = 0;
+
+       if ((dev->rx_pkt_burst == mlx4_rx_burst)
+                       || (dev->rx_pkt_burst == mlx4_rx_burst_sp)) {
+               /* refers to rxq_cq_to_pkt_type() */
+               if ((ptype_mask & RTE_PTYPE_L3_MASK) == RTE_PTYPE_L3_MASK) {
+                       ptypes[num++] = RTE_PTYPE_L3_IPV4;
+                       ptypes[num++] = RTE_PTYPE_L3_IPV6;
+               }
+
+               if ((ptype_mask & RTE_PTYPE_INNER_L3_MASK) == 
RTE_PTYPE_INNER_L3_MASK) {
+                       ptypes[num++] = RTE_PTYPE_INNER_L3_IPV4;
+                       ptypes[num++] = RTE_PTYPE_INNER_L3_IPV6;
+               }
+       } else
+               num = -ENOTSUP;
+
+       return num;
+}
+
 /**
  * DPDK callback to get device statistics.
  *
@@ -4989,6 +5015,7 @@ static const struct eth_dev_ops mlx4_dev_ops = {
        .stats_reset = mlx4_stats_reset,
        .queue_stats_mapping_set = NULL,
        .dev_infos_get = mlx4_dev_infos_get,
+       .dev_ptypes_info_get = mlx4_dev_ptype_info_get,
        .vlan_filter_set = mlx4_vlan_filter_set,
        .vlan_tpid_set = NULL,
        .vlan_strip_queue_set = NULL,
-- 
2.1.4

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