netdev - [PATCH net-next 10/15] net: mlx4: reject unsupported coalescing params

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Date:   Mon,  9 Mar 2020 19:15:07 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org, akiyano@...zon.com, netanel@...zon.com,
        gtzalik@...zon.com, irusskikh@...vell.com, f.fainelli@...il.com,
        bcm-kernel-feedback-list@...adcom.com, rmody@...vell.com,
        GR-Linux-NIC-Dev@...vell.com, aelior@...vell.com,
        skalluru@...vell.com, GR-everest-linux-l2@...vell.com,
        opendmb@...il.com, siva.kallam@...adcom.com, prashant@...adcom.com,
        mchan@...adcom.com, dchickles@...vell.com, sburla@...vell.com,
        fmanlunas@...vell.com, tariqt@...lanox.com, vishal@...lsio.com,
        leedom@...lsio.com, ulli.kroll@...glemail.com,
        linus.walleij@...aro.org, Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH net-next 10/15] net: mlx4: 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@...nel.org>
---
 drivers/net/ethernet/mellanox/mlx4/en_ethtool.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
index 8bf1f08fdee2..8a5ea2543670 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
@@ -2121,6 +2121,10 @@ static int mlx4_en_set_phys_id(struct net_device *dev,
 }
 
 const struct ethtool_ops mlx4_en_ethtool_ops = {
+	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
+				     ETHTOOL_COALESCE_MAX_FRAMES |
+				     ETHTOOL_COALESCE_TX_MAX_FRAMES_IRQ |
+				     ETHTOOL_COALESCE_PKT_RATE_RX_USECS,
 	.get_drvinfo = mlx4_en_get_drvinfo,
 	.get_link_ksettings = mlx4_en_get_link_ksettings,
 	.set_link_ksettings = mlx4_en_set_link_ksettings,
-- 
2.24.1