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Date:   Wed,  4 Mar 2020 21:15:40 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     davem@...emloft.net
Cc:     andrew@...n.ch, ecree@...arflare.com, mkubecek@...e.cz,
        thomas.lendacky@....com, benve@...co.com, _govind@....com,
        peppe.cavallaro@...com, alexandre.torgue@...com,
        joabreu@...opsys.com, snelson@...sando.io, yisen.zhuang@...wei.com,
        salil.mehta@...wei.com, jeffrey.t.kirsher@...el.com,
        jacob.e.keller@...el.com, alexander.h.duyck@...ux.intel.com,
        michael.chan@...adcom.com, saeedm@...lanox.com, leon@...nel.org,
        netdev@...r.kernel.org, Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH net-next v3 10/12] mlx5: 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.

v3: adjust commit message for new member name

Signed-off-by: Jakub Kicinski <kuba@...nel.org>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c    | 3 +++
 drivers/net/ethernet/mellanox/mlx5/core/en_rep.c        | 6 ++++++
 drivers/net/ethernet/mellanox/mlx5/core/ipoib/ethtool.c | 3 +++
 3 files changed, 12 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index 06f6f08ff5eb..01539b874b5e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -1965,6 +1965,9 @@ static int mlx5e_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
 }
 
 const struct ethtool_ops mlx5e_ethtool_ops = {
+	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
+				     ETHTOOL_COALESCE_MAX_FRAMES |
+				     ETHTOOL_COALESCE_USE_ADAPTIVE,
 	.get_drvinfo       = mlx5e_get_drvinfo,
 	.get_link          = ethtool_op_get_link,
 	.get_strings       = mlx5e_get_strings,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
index 1a8897f80547..c506143c8559 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
@@ -376,6 +376,9 @@ static int mlx5e_uplink_rep_set_link_ksettings(struct net_device *netdev,
 }
 
 static const struct ethtool_ops mlx5e_rep_ethtool_ops = {
+	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
+				     ETHTOOL_COALESCE_MAX_FRAMES |
+				     ETHTOOL_COALESCE_USE_ADAPTIVE,
 	.get_drvinfo	   = mlx5e_rep_get_drvinfo,
 	.get_link	   = ethtool_op_get_link,
 	.get_strings       = mlx5e_rep_get_strings,
@@ -392,6 +395,9 @@ static const struct ethtool_ops mlx5e_rep_ethtool_ops = {
 };
 
 static const struct ethtool_ops mlx5e_uplink_rep_ethtool_ops = {
+	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
+				     ETHTOOL_COALESCE_MAX_FRAMES |
+				     ETHTOOL_COALESCE_USE_ADAPTIVE,
 	.get_drvinfo	   = mlx5e_uplink_rep_get_drvinfo,
 	.get_link	   = ethtool_op_get_link,
 	.get_strings       = mlx5e_rep_get_strings,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ethtool.c
index 90cb50fe17fd..1eef66ee849e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ethtool.c
@@ -235,6 +235,9 @@ static int mlx5i_get_link_ksettings(struct net_device *netdev,
 }
 
 const struct ethtool_ops mlx5i_ethtool_ops = {
+	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
+				     ETHTOOL_COALESCE_MAX_FRAMES |
+				     ETHTOOL_COALESCE_USE_ADAPTIVE,
 	.get_drvinfo        = mlx5i_get_drvinfo,
 	.get_strings        = mlx5i_get_strings,
 	.get_sset_count     = mlx5i_get_sset_count,
-- 
2.24.1

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