Commit 84eaf4359c36 ("net: ethtool: add get_rx_ring_count callback to
optimize RX ring queries") added specific support for GRXRINGS callback,
simplifying .get_rxnfc.

Remove the handling of GRXRINGS in .get_rxnfc() by moving it to the new
.get_rx_ring_count().

This simplifies the RX ring count retrieval and aligns iavf with the new
ethtool API for querying RX ring parameters.

Signed-off-by: Breno Leitao <[email protected]>
Signed-off-by: Aleksandr Loktionov <[email protected]>
---
 drivers/net/ethernet/intel/iavf/iavf_ethtool.c | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c 
b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c
index a3f8ced23266..2cc21289a707 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c
@@ -1638,6 +1638,19 @@ static int iavf_set_rxnfc(struct net_device *netdev, 
struct ethtool_rxnfc *cmd)
        return ret;
 }
 
+/**
+ * iavf_get_rx_ring_count - get RX ring count
+ * @netdev: network interface device structure
+ *
+ * Return: number of RX rings.
+ **/
+static u32 iavf_get_rx_ring_count(struct net_device *netdev)
+{
+       struct iavf_adapter *adapter = netdev_priv(netdev);
+
+       return adapter->num_active_queues;
+}
+
 /**
  * iavf_get_rxnfc - command to get RX flow classification rules
  * @netdev: network interface device structure
@@ -1653,10 +1666,6 @@ static int iavf_get_rxnfc(struct net_device *netdev, 
struct ethtool_rxnfc *cmd,
        int ret = -EOPNOTSUPP;
 
        switch (cmd->cmd) {
-       case ETHTOOL_GRXRINGS:
-               cmd->data = adapter->num_active_queues;
-               ret = 0;
-               break;
        case ETHTOOL_GRXCLSRLCNT:
                if (!(adapter->flags & IAVF_FLAG_FDIR_ENABLED))
                        break;
@@ -1866,6 +1875,7 @@ static const struct ethtool_ops iavf_ethtool_ops = {
        .set_per_queue_coalesce = iavf_set_per_queue_coalesce,
        .set_rxnfc              = iavf_set_rxnfc,
        .get_rxnfc              = iavf_get_rxnfc,
+       .get_rx_ring_count      = iavf_get_rx_ring_count,
        .get_rxfh_indir_size    = iavf_get_rxfh_indir_size,
        .get_rxfh               = iavf_get_rxfh,
        .set_rxfh               = iavf_set_rxfh,

-- 
2.47.3

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