Add support for these device ops:
-idpf_dev_xstats_get
-idpf_dev_xstats_get_names
-idpf_dev_xstats_reset

Signed-off-by: Mingxia Liu <mingxia....@intel.com>
---
 drivers/net/idpf/idpf_ethdev.c | 80 ++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)

diff --git a/drivers/net/idpf/idpf_ethdev.c b/drivers/net/idpf/idpf_ethdev.c
index 751c0d8717..38cbbf369d 100644
--- a/drivers/net/idpf/idpf_ethdev.c
+++ b/drivers/net/idpf/idpf_ethdev.c
@@ -80,6 +80,30 @@ static const uint64_t idpf_ipv6_rss = 
RTE_ETH_RSS_NONFRAG_IPV6_UDP |
                          RTE_ETH_RSS_NONFRAG_IPV6_OTHER |
                          RTE_ETH_RSS_FRAG_IPV6;
 
+struct rte_idpf_xstats_name_off {
+       char name[RTE_ETH_XSTATS_NAME_SIZE];
+       unsigned int offset;
+};
+
+static const struct rte_idpf_xstats_name_off rte_idpf_stats_strings[] = {
+       {"rx_bytes", offsetof(struct virtchnl2_vport_stats, rx_bytes)},
+       {"rx_unicast_packets", offsetof(struct virtchnl2_vport_stats, 
rx_unicast)},
+       {"rx_multicast_packets", offsetof(struct virtchnl2_vport_stats, 
rx_multicast)},
+       {"rx_broadcast_packets", offsetof(struct virtchnl2_vport_stats, 
rx_broadcast)},
+       {"rx_dropped_packets", offsetof(struct virtchnl2_vport_stats, 
rx_discards)},
+       {"rx_errors", offsetof(struct virtchnl2_vport_stats, rx_errors)},
+       {"rx_unknown_protocol_packets", offsetof(struct virtchnl2_vport_stats,
+                                                rx_unknown_protocol)},
+       {"tx_bytes", offsetof(struct virtchnl2_vport_stats, tx_bytes)},
+       {"tx_unicast_packets", offsetof(struct virtchnl2_vport_stats, 
tx_unicast)},
+       {"tx_multicast_packets", offsetof(struct virtchnl2_vport_stats, 
tx_multicast)},
+       {"tx_broadcast_packets", offsetof(struct virtchnl2_vport_stats, 
tx_broadcast)},
+       {"tx_dropped_packets", offsetof(struct virtchnl2_vport_stats, 
tx_discards)},
+       {"tx_error_packets", offsetof(struct virtchnl2_vport_stats, 
tx_errors)}};
+
+#define IDPF_NB_XSTATS (sizeof(rte_idpf_stats_strings) / \
+               sizeof(rte_idpf_stats_strings[0]))
+
 static int
 idpf_dev_link_update(struct rte_eth_dev *dev,
                     __rte_unused int wait_to_complete)
@@ -313,6 +337,59 @@ idpf_dev_stats_reset(struct rte_eth_dev *dev)
        return 0;
 }
 
+static int idpf_dev_xstats_reset(struct rte_eth_dev *dev)
+{
+       idpf_dev_stats_reset(dev);
+       return 0;
+}
+
+static int idpf_dev_xstats_get(struct rte_eth_dev *dev,
+                              struct rte_eth_xstat *xstats, unsigned int n)
+{
+       struct idpf_vport *vport =
+               (struct idpf_vport *)dev->data->dev_private;
+       struct virtchnl2_vport_stats *pstats = NULL;
+       unsigned int i;
+       int ret;
+
+       if (n < IDPF_NB_XSTATS)
+               return IDPF_NB_XSTATS;
+
+       if (!xstats)
+               return 0;
+
+       ret = idpf_vc_stats_query(vport, &pstats);
+       if (ret) {
+               PMD_DRV_LOG(ERR, "Get statistics failed");
+               return 0;
+       }
+
+       idpf_vport_stats_update(&vport->eth_stats_offset, pstats);
+
+       /* loop over xstats array and values from pstats */
+       for (i = 0; i < IDPF_NB_XSTATS; i++) {
+               xstats[i].id = i;
+               xstats[i].value = *(uint64_t *)(((char *)pstats) +
+                       rte_idpf_stats_strings[i].offset);
+       }
+       return IDPF_NB_XSTATS;
+}
+
+static int idpf_dev_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
+                                    struct rte_eth_xstat_name *xstats_names,
+                                    __rte_unused unsigned int limit)
+{
+       unsigned int i;
+
+       if (xstats_names)
+               for (i = 0; i < IDPF_NB_XSTATS; i++) {
+                       snprintf(xstats_names[i].name,
+                                sizeof(xstats_names[i].name),
+                                "%s", rte_idpf_stats_strings[i].name);
+               }
+       return IDPF_NB_XSTATS;
+}
+
 static int idpf_config_rss_hf(struct idpf_vport *vport, uint64_t rss_hf)
 {
        uint64_t hena = 0;
@@ -1122,6 +1199,9 @@ static const struct eth_dev_ops idpf_eth_dev_ops = {
        .reta_query                     = idpf_rss_reta_query,
        .rss_hash_update                = idpf_rss_hash_update,
        .rss_hash_conf_get              = idpf_rss_hash_conf_get,
+       .xstats_get                     = idpf_dev_xstats_get,
+       .xstats_get_names               = idpf_dev_xstats_get_names,
+       .xstats_reset                   = idpf_dev_xstats_reset,
 };
 
 static uint16_t
-- 
2.25.1

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