net: be2net: reject unsupported coalescing params

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

This driver did not previously reject unsupported parameters.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/emulex/benet/be_ethtool.c

@@ -1408,6 +1408,9 @@ static int be_set_priv_flags(struct net_device *netdev, u32 flags)
 }
 
 const struct ethtool_ops be_ethtool_ops = {
+	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
+				     ETHTOOL_COALESCE_USE_ADAPTIVE |
+				     ETHTOOL_COALESCE_USECS_LOW_HIGH,
 	.get_drvinfo = be_get_drvinfo,
 	.get_wol = be_get_wol,
 	.set_wol = be_set_wol,

include/linux/ethtool.h

@@ -211,6 +211,9 @@ bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32,
 	 ETHTOOL_COALESCE_TX_MAX_FRAMES_IRQ)
 #define ETHTOOL_COALESCE_USE_ADAPTIVE					\
 	(ETHTOOL_COALESCE_USE_ADAPTIVE_RX | ETHTOOL_COALESCE_USE_ADAPTIVE_TX)
+#define ETHTOOL_COALESCE_USECS_LOW_HIGH					\
+	(ETHTOOL_COALESCE_RX_USECS_LOW | ETHTOOL_COALESCE_TX_USECS_LOW | \
+	 ETHTOOL_COALESCE_RX_USECS_HIGH | ETHTOOL_COALESCE_TX_USECS_HIGH)
 #define ETHTOOL_COALESCE_PKT_RATE_RX_USECS				\
 	(ETHTOOL_COALESCE_USE_ADAPTIVE_RX |				\
 	 ETHTOOL_COALESCE_RX_USECS_LOW | ETHTOOL_COALESCE_RX_USECS_HIGH | \