From: Satha Rao <skotesh...@marvell.com>

Initial implementation of xstats operations.
Signed-off-by: Satha Rao <skotesh...@marvell.com>
---
 doc/guides/nics/features/cnxk.ini     |   1 +
 doc/guides/nics/features/cnxk_vec.ini |   1 +
 doc/guides/nics/features/cnxk_vf.ini  |   1 +
 drivers/net/cnxk/cnxk_ethdev.c        |   5 ++
 drivers/net/cnxk/cnxk_ethdev.h        |  11 +++
 drivers/net/cnxk/cnxk_stats.c         | 132 ++++++++++++++++++++++++++++++++++
 6 files changed, 151 insertions(+)

diff --git a/doc/guides/nics/features/cnxk.ini 
b/doc/guides/nics/features/cnxk.ini
index 40952a9..192c15a 100644
--- a/doc/guides/nics/features/cnxk.ini
+++ b/doc/guides/nics/features/cnxk.ini
@@ -34,6 +34,7 @@ Inner L4 checksum    = Y
 Packet type parsing  = Y
 Basic stats          = Y
 Stats per queue      = Y
+Extended stats       = Y
 Module EEPROM dump   = Y
 Linux                = Y
 ARMv8                = Y
diff --git a/doc/guides/nics/features/cnxk_vec.ini 
b/doc/guides/nics/features/cnxk_vec.ini
index 32035bb..e990480 100644
--- a/doc/guides/nics/features/cnxk_vec.ini
+++ b/doc/guides/nics/features/cnxk_vec.ini
@@ -32,6 +32,7 @@ Inner L4 checksum    = Y
 Packet type parsing  = Y
 Basic stats          = Y
 Stats per queue      = Y
+Extended stats       = Y
 Module EEPROM dump   = Y
 Linux                = Y
 ARMv8                = Y
diff --git a/doc/guides/nics/features/cnxk_vf.ini 
b/doc/guides/nics/features/cnxk_vf.ini
index 8060a68..3a4417c 100644
--- a/doc/guides/nics/features/cnxk_vf.ini
+++ b/doc/guides/nics/features/cnxk_vf.ini
@@ -29,6 +29,7 @@ Inner L4 checksum    = Y
 Packet type parsing  = Y
 Basic stats          = Y
 Stats per queue      = Y
+Extended stats       = Y
 Module EEPROM dump   = Y
 Linux                = Y
 ARMv8                = Y
diff --git a/drivers/net/cnxk/cnxk_ethdev.c b/drivers/net/cnxk/cnxk_ethdev.c
index f6eb9c9..aaf8719 100644
--- a/drivers/net/cnxk/cnxk_ethdev.c
+++ b/drivers/net/cnxk/cnxk_ethdev.c
@@ -1170,6 +1170,11 @@ struct eth_dev_ops cnxk_eth_dev_ops = {
        .queue_stats_mapping_set = cnxk_nix_queue_stats_mapping,
        .stats_get = cnxk_nix_stats_get,
        .stats_reset = cnxk_nix_stats_reset,
+       .xstats_get = cnxk_nix_xstats_get,
+       .xstats_get_names = cnxk_nix_xstats_get_names,
+       .xstats_reset = cnxk_nix_xstats_reset,
+       .xstats_get_by_id = cnxk_nix_xstats_get_by_id,
+       .xstats_get_names_by_id = cnxk_nix_xstats_get_names_by_id,
 };
 
 static int
diff --git a/drivers/net/cnxk/cnxk_ethdev.h b/drivers/net/cnxk/cnxk_ethdev.h
index 5075e7c..dd05c24 100644
--- a/drivers/net/cnxk/cnxk_ethdev.h
+++ b/drivers/net/cnxk/cnxk_ethdev.h
@@ -279,6 +279,17 @@ int cnxk_nix_queue_stats_mapping(struct rte_eth_dev *dev, 
uint16_t queue_id,
                                 uint8_t stat_idx, uint8_t is_rx);
 int cnxk_nix_stats_reset(struct rte_eth_dev *dev);
 int cnxk_nix_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats);
+int cnxk_nix_xstats_get(struct rte_eth_dev *eth_dev,
+                       struct rte_eth_xstat *xstats, unsigned int n);
+int cnxk_nix_xstats_get_names(struct rte_eth_dev *eth_dev,
+                             struct rte_eth_xstat_name *xstats_names,
+                             unsigned int limit);
+int cnxk_nix_xstats_get_names_by_id(struct rte_eth_dev *eth_dev,
+                                   struct rte_eth_xstat_name *xstats_names,
+                                   const uint64_t *ids, unsigned int limit);
+int cnxk_nix_xstats_get_by_id(struct rte_eth_dev *eth_dev, const uint64_t *ids,
+                             uint64_t *values, unsigned int n);
+int cnxk_nix_xstats_reset(struct rte_eth_dev *eth_dev);
 
 /* Lookup configuration */
 const uint32_t *cnxk_nix_supported_ptypes_get(struct rte_eth_dev *eth_dev);
diff --git a/drivers/net/cnxk/cnxk_stats.c b/drivers/net/cnxk/cnxk_stats.c
index 24bff0b..ce9f9f4 100644
--- a/drivers/net/cnxk/cnxk_stats.c
+++ b/drivers/net/cnxk/cnxk_stats.c
@@ -83,3 +83,135 @@ cnxk_nix_queue_stats_mapping(struct rte_eth_dev *eth_dev, 
uint16_t queue_id,
 
        return 0;
 }
+
+int
+cnxk_nix_xstats_get(struct rte_eth_dev *eth_dev, struct rte_eth_xstat *xstats,
+                   unsigned int n)
+{
+       struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+       struct roc_nix_xstat roc_xstats[n];
+       int size, i;
+
+       size = roc_nix_xstats_get(&dev->nix, roc_xstats, n);
+
+       /* If requested array do not have space then return with count */
+       if (size < 0 || size > (int)n)
+               return size;
+
+       for (i = 0; i < size; i++) {
+               xstats[i].id = roc_xstats[i].id;
+               xstats[i].value = roc_xstats[i].value;
+       }
+
+       return size;
+}
+
+int
+cnxk_nix_xstats_get_names(struct rte_eth_dev *eth_dev,
+                         struct rte_eth_xstat_name *xstats_names,
+                         unsigned int limit)
+{
+       struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+       struct roc_nix_xstat_name roc_xstats_name[limit];
+       struct roc_nix *nix = &dev->nix;
+       int size, i;
+
+       if ((int)limit < roc_nix_num_xstats_get(nix) && xstats_names == NULL)
+               return roc_nix_num_xstats_get(nix);
+
+       size = roc_nix_xstats_names_get(nix, roc_xstats_name, limit);
+
+       for (i = 0; i < size; i++)
+               strlcpy(xstats_names[i].name, roc_xstats_name[i].name,
+                       sizeof(xstats_names[i].name));
+
+       return size;
+}
+
+int
+cnxk_nix_xstats_get_names_by_id(struct rte_eth_dev *eth_dev,
+                               struct rte_eth_xstat_name *xstats_names,
+                               const uint64_t *ids, unsigned int limit)
+{
+       struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+       uint32_t xstat_cnt = roc_nix_num_xstats_get(&dev->nix), i;
+       struct roc_nix_xstat_name xnames[xstat_cnt];
+
+       if (limit < xstat_cnt && ids == NULL)
+               return xstat_cnt;
+
+       if (limit > xstat_cnt)
+               return -EINVAL;
+
+       if (xstats_names == NULL)
+               return -ENOMEM;
+
+       roc_nix_xstats_names_get(&dev->nix, xnames, limit);
+
+       for (i = 0; i < xstat_cnt; i++) {
+               if (ids[i] >= xstat_cnt)
+                       return -EINVAL;
+
+               strlcpy(xstats_names[i].name, xnames[ids[i]].name,
+                       sizeof(xstats_names[i].name));
+       }
+
+       return limit;
+}
+
+int
+cnxk_nix_xstats_get_by_id(struct rte_eth_dev *eth_dev, const uint64_t *ids,
+                         uint64_t *values, unsigned int n)
+{
+       struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+       uint32_t xstat_cnt = roc_nix_num_xstats_get(&dev->nix), i;
+       struct roc_nix_xstat xstats[xstat_cnt];
+
+       if (n < xstat_cnt && ids == NULL)
+               return xstat_cnt;
+
+       if (n > xstat_cnt)
+               return -EINVAL;
+
+       if (values == NULL)
+               return -ENOMEM;
+
+       roc_nix_xstats_get(&dev->nix, xstats, n);
+
+       for (i = 0; i < xstat_cnt; i++) {
+               if (ids[i] >= xstat_cnt)
+                       return -EINVAL;
+               values[i] = xstats[ids[i]].value;
+       }
+
+       return n;
+}
+
+int
+cnxk_nix_xstats_reset(struct rte_eth_dev *eth_dev)
+{
+       struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+       struct roc_nix *nix = &dev->nix;
+       int rc = 0, i;
+
+       rc = roc_nix_stats_reset(nix);
+       if (rc)
+               goto exit;
+
+       /* Reset Rx Queues */
+       for (i = 0; i < dev->nb_rxq; i++) {
+               rc = roc_nix_stats_queue_reset(nix, i, 1);
+               if (rc)
+                       goto exit;
+       }
+
+       /* Reset Tx Queues */
+       for (i = 0; i < dev->nb_txq; i++) {
+               rc = roc_nix_stats_queue_reset(nix, i, 0);
+               if (rc)
+                       goto exit;
+       }
+
+exit:
+       return rc;
+}
-- 
2.8.4

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