netdev - [PATCH net 3/6] igc: Fix Supported Pause Frame Link Setting

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Message-Id: <20210311180915.1489936-4-anthony.l.nguyen@intel.com>
Date:   Thu, 11 Mar 2021 10:09:12 -0800
From:   Tony Nguyen <anthony.l.nguyen@...el.com>
To:     davem@...emloft.net, kuba@...nel.org
Cc:     Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@...el.com>,
        netdev@...r.kernel.org, sassmann@...hat.com,
        anthony.l.nguyen@...el.com, sasha.neftin@...el.com,
        vitaly.lifshits@...el.com,
        Malli C <mallikarjuna.chilakala@...el.com>,
        Dvora Fuxbrumer <dvorax.fuxbrumer@...ux.intel.com>
Subject: [PATCH net 3/6] igc: Fix Supported Pause Frame Link Setting

From: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@...el.com>

The Supported Pause Frame always display "No" even though the Advertised
pause frame showing the correct setting based on the pause parameters via
ethtool. Set bit in link_ksettings to "Supported" for Pause Frame.

Before output:
Supported pause frame use: No

Expected output:
Supported pause frame use: Symmetric

Fixes: 8c5ad0dae93c ("igc: Add ethtool support")
Signed-off-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@...el.com>
Reviewed-by: Malli C <mallikarjuna.chilakala@...el.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@...ux.intel.com>
Acked-by: Sasha Neftin <sasha.neftin@...el.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@...el.com>
---
 drivers/net/ethernet/intel/igc/igc_ethtool.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c
index 67a4aed45fc2..8722294ab90c 100644
--- a/drivers/net/ethernet/intel/igc/igc_ethtool.c
+++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c
@@ -1711,6 +1711,9 @@ static int igc_ethtool_get_link_ksettings(struct net_device *netdev,
 						     Autoneg);
 	}
 
+	/* Set pause flow control settings */
+	ethtool_link_ksettings_add_link_mode(cmd, supported, Pause);
+
 	switch (hw->fc.requested_mode) {
 	case igc_fc_full:
 		ethtool_link_ksettings_add_link_mode(cmd, advertising, Pause);
-- 
2.26.2