igc: Fix Supported Pause Frame Link Setting

[ 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@intel.com>
Reviewed-by: Malli C <mallikarjuna.chilakala@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Acked-by: Sasha Neftin <sasha.neftin@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c
index 35c104a..da259cd 100644 (file)
--- 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);