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[5.4,062/111] igc: Fix Supported Pause Frame Link Setting

Message ID 20210329075617.275738958@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg KH March 29, 2021, 7:58 a.m. UTC 
From: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.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@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>
---
 drivers/net/ethernet/intel/igc/igc_ethtool.c | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c
index d1a25d679b89..cbcb8611ab50 100644
--- a/drivers/net/ethernet/intel/igc/igc_ethtool.c
+++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c
@@ -1690,6 +1690,9 @@  static int igc_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);