netdev - [PATCH net-next 02/15] net: aquantia: reject all unsupported coalescing params

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Date:   Mon,  9 Mar 2020 19:14:59 -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 02/15] net: aquantia: reject all unsupported coalescing params

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

This driver only rejected some of the unsupported parameters.

Signed-off-by: Jakub Kicinski <kuba@...nel.org>
---
 .../net/ethernet/aquantia/atlantic/aq_ethtool.c   | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)

diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
index 0bdaa0d785b7..6781256a318a 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
@@ -386,21 +386,10 @@ static int aq_ethtool_set_coalesce(struct net_device *ndev,
 
 	cfg = aq_nic_get_cfg(aq_nic);
 
-	/* This is not yet supported
-	 */
-	if (coal->use_adaptive_rx_coalesce || coal->use_adaptive_tx_coalesce)
-		return -EOPNOTSUPP;
-
 	/* Atlantic only supports timing based coalescing
 	 */
 	if (coal->rx_max_coalesced_frames > 1 ||
-	    coal->rx_coalesce_usecs_irq ||
-	    coal->rx_max_coalesced_frames_irq)
-		return -EOPNOTSUPP;
-
-	if (coal->tx_max_coalesced_frames > 1 ||
-	    coal->tx_coalesce_usecs_irq ||
-	    coal->tx_max_coalesced_frames_irq)
+	    coal->tx_max_coalesced_frames > 1)
 		return -EOPNOTSUPP;
 
 	/* We do not support frame counting. Check this
@@ -742,6 +731,8 @@ static int aq_ethtool_set_priv_flags(struct net_device *ndev, u32 flags)
 }
 
 const struct ethtool_ops aq_ethtool_ops = {
+	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
+				     ETHTOOL_COALESCE_MAX_FRAMES,
 	.get_link            = aq_ethtool_get_link,
 	.get_regs_len        = aq_ethtool_get_regs_len,
 	.get_regs            = aq_ethtool_get_regs,
-- 
2.24.1