netdev - [PATCH net-next 09/15] net: nixge: let core reject the unsupported coalescing parameters

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Message-Id: <20200313040803.2367590-10-kuba@kernel.org>
Date:   Thu, 12 Mar 2020 21:07:57 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org, kernel-team@...com,
        cooldavid@...ldavid.org, sebastian.hesselbarth@...il.com,
        thomas.petazzoni@...tlin.com, maxime.chevallier@...tlin.com,
        rmk+kernel@...linux.org.uk, mcroce@...hat.com,
        sgoutham@...vell.com, gakula@...vell.com, sbhatta@...vell.com,
        hkelam@...vell.com, mlindner@...vell.com,
        stephen@...workplumber.org, christopher.lee@...i.com,
        manishc@...vell.com, rahulv@...vell.com,
        GR-Linux-NIC-Dev@...vell.com, aelior@...vell.com,
        GR-everest-linux-l2@...vell.com, shshaikh@...vell.com,
        nic_swsd@...ltek.com, hkallweit1@...il.com, bh74.an@...sung.com,
        romieu@...zoreil.com
Subject: [PATCH net-next 09/15] net: nixge: 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, no functional changes.

Signed-off-by: Jakub Kicinski <kuba@...nel.org>
---
 drivers/net/ethernet/ni/nixge.c | 22 +---------------------
 1 file changed, 1 insertion(+), 21 deletions(-)

diff --git a/drivers/net/ethernet/ni/nixge.c b/drivers/net/ethernet/ni/nixge.c
index 49c7987c2abd..2fdd0753b3af 100644
--- a/drivers/net/ethernet/ni/nixge.c
+++ b/drivers/net/ethernet/ni/nixge.c
@@ -1019,27 +1019,6 @@ static int nixge_ethtools_set_coalesce(struct net_device *ndev,
 		return -EBUSY;
 	}
 
-	if (ecoalesce->rx_coalesce_usecs ||
-	    ecoalesce->rx_coalesce_usecs_irq ||
-	    ecoalesce->rx_max_coalesced_frames_irq ||
-	    ecoalesce->tx_coalesce_usecs ||
-	    ecoalesce->tx_coalesce_usecs_irq ||
-	    ecoalesce->tx_max_coalesced_frames_irq ||
-	    ecoalesce->stats_block_coalesce_usecs ||
-	    ecoalesce->use_adaptive_rx_coalesce ||
-	    ecoalesce->use_adaptive_tx_coalesce ||
-	    ecoalesce->pkt_rate_low ||
-	    ecoalesce->rx_coalesce_usecs_low ||
-	    ecoalesce->rx_max_coalesced_frames_low ||
-	    ecoalesce->tx_coalesce_usecs_low ||
-	    ecoalesce->tx_max_coalesced_frames_low ||
-	    ecoalesce->pkt_rate_high ||
-	    ecoalesce->rx_coalesce_usecs_high ||
-	    ecoalesce->rx_max_coalesced_frames_high ||
-	    ecoalesce->tx_coalesce_usecs_high ||
-	    ecoalesce->tx_max_coalesced_frames_high ||
-	    ecoalesce->rate_sample_interval)
-		return -EOPNOTSUPP;
 	if (ecoalesce->rx_max_coalesced_frames)
 		priv->coalesce_count_rx = ecoalesce->rx_max_coalesced_frames;
 	if (ecoalesce->tx_max_coalesced_frames)
@@ -1083,6 +1062,7 @@ static int nixge_ethtools_set_phys_id(struct net_device *ndev,
 }
 
 static const struct ethtool_ops nixge_ethtool_ops = {
+	.supported_coalesce_params = ETHTOOL_COALESCE_MAX_FRAMES,
 	.get_drvinfo    = nixge_ethtools_get_drvinfo,
 	.get_coalesce   = nixge_ethtools_get_coalesce,
 	.set_coalesce   = nixge_ethtools_set_coalesce,
-- 
2.24.1