net: bcmgenet: reject unsupported coalescing params

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

This driver did not previously reject all unsupported parameters.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index c2fda12..c476f13 100644 (file)
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -686,10 +686,6 @@ static int bcmgenet_set_coalesce(struct net_device *dev,
         * always generate an interrupt either after MBDONE packets have been
         * transmitted, or when the ring is empty.
         */
-       if (ec->tx_coalesce_usecs || ec->tx_coalesce_usecs_high ||
-           ec->tx_coalesce_usecs_irq || ec->tx_coalesce_usecs_low ||
-           ec->use_adaptive_tx_coalesce)
-               return -EOPNOTSUPP;
 
        /* Program all TX queues with the same values, as there is no
         * ethtool knob to do coalescing on a per-queue basis
@@ -1113,6 +1109,9 @@ static int bcmgenet_set_eee(struct net_device *dev, struct ethtool_eee *e)
 
 /* standard ethtool support functions. */
 static const struct ethtool_ops bcmgenet_ethtool_ops = {
+       .supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS |
+                                    ETHTOOL_COALESCE_MAX_FRAMES |
+                                    ETHTOOL_COALESCE_USE_ADAPTIVE_RX,
        .begin                  = bcmgenet_begin,
        .complete               = bcmgenet_complete,
        .get_strings            = bcmgenet_get_strings,