linux-kernel - [PATCH 5.11 127/254] igc: Fix Supported Pause Frame Link Setting

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Date:   Mon, 29 Mar 2021 09:57:23 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@...el.com>,
        Malli C <mallikarjuna.chilakala@...el.com>,
        Dvora Fuxbrumer <dvorax.fuxbrumer@...ux.intel.com>,
        Sasha Neftin <sasha.neftin@...el.com>,
        Tony Nguyen <anthony.l.nguyen@...el.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.11 127/254] igc: Fix Supported Pause Frame Link Setting

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

[ Upstream commit 9a4a1cdc5ab52118c1f2b216f4240830b6528d32 ]

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>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 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 35c104a02bed..da259cd59add 100644
--- a/drivers/net/ethernet/intel/igc/igc_ethtool.c
+++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c
@@ -1695,6 +1695,9 @@ 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);
-- 
2.30.1