xgbe: let core reject the unsupported coalescing parameters

Set ethtool_ops->supported_coalesce_params to let
the core reject unsupported coalescing parameters.

This driver correctly rejects all unsupported parameters.
We are only losing the error print.

v3: adjust commit message for new error code and member name

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c b/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c
index b23c8ee..61f39a0 100644 (file)
--- a/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c
@@ -450,30 +450,6 @@ static int xgbe_set_coalesce(struct net_device *netdev,
        unsigned int rx_frames, rx_riwt, rx_usecs;
        unsigned int tx_frames;
 
-       /* Check for not supported parameters  */
-       if ((ec->rx_coalesce_usecs_irq) ||
-           (ec->rx_max_coalesced_frames_irq) ||
-           (ec->tx_coalesce_usecs) ||
-           (ec->tx_coalesce_usecs_irq) ||
-           (ec->tx_max_coalesced_frames_irq) ||
-           (ec->stats_block_coalesce_usecs) ||
-           (ec->use_adaptive_rx_coalesce) ||
-           (ec->use_adaptive_tx_coalesce) ||
-           (ec->pkt_rate_low) ||
-           (ec->rx_coalesce_usecs_low) ||
-           (ec->rx_max_coalesced_frames_low) ||
-           (ec->tx_coalesce_usecs_low) ||
-           (ec->tx_max_coalesced_frames_low) ||
-           (ec->pkt_rate_high) ||
-           (ec->rx_coalesce_usecs_high) ||
-           (ec->rx_max_coalesced_frames_high) ||
-           (ec->tx_coalesce_usecs_high) ||
-           (ec->tx_max_coalesced_frames_high) ||
-           (ec->rate_sample_interval)) {
-               netdev_err(netdev, "unsupported coalescing parameter\n");
-               return -EOPNOTSUPP;
-       }
-
        rx_riwt = hw_if->usec_to_riwt(pdata, ec->rx_coalesce_usecs);
        rx_usecs = ec->rx_coalesce_usecs;
        rx_frames = ec->rx_max_coalesced_frames;
@@ -837,6 +813,8 @@ out:
 }
 
 static const struct ethtool_ops xgbe_ethtool_ops = {
+       .supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS |
+                                    ETHTOOL_COALESCE_MAX_FRAMES,
        .get_drvinfo = xgbe_get_drvinfo,
        .get_msglevel = xgbe_get_msglevel,
        .set_msglevel = xgbe_set_msglevel,