[PATCH 4.19 33/66] i40e: Added Asym_Pause to supported link modes

From: Greg Kroah-Hartman
Date: Mon Apr 12 2021 - 04:45:47 EST


From: Mateusz Palczewski <mateusz.palczewski@xxxxxxxxx>

[ Upstream commit 90449e98c265296329446c7abcd2aae3b20c0bc9 ]

Add Asym_Pause to supported link modes (it is supported by HW).
Lack of Asym_Pause in supported modes can cause several problems,
i.e. it won't be possible to turn the autonegotiation on
with asymmetric pause settings (i.e. Tx on, Rx off).

Fixes: 4e91bcd5d47a ("i40e: Finish implementation of ethtool get settings")
Signed-off-by: Dawid Lukwinski <dawid.lukwinski@xxxxxxxxx>
Signed-off-by: Mateusz Palczewski <mateusz.palczewski@xxxxxxxxx>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@xxxxxxxxx>
Reviewed-by: Przemyslaw Patynowski <przemyslawx.patynowski@xxxxxxxxx>
Tested-by: Tony Brelinski <tonyx.brelinski@xxxxxxxxx>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/net/ethernet/intel/i40e/i40e_ethtool.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
index a6b0f605a7d8..9148d93c5c63 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
@@ -796,6 +796,7 @@ static int i40e_get_link_ksettings(struct net_device *netdev,

/* Set flow control settings */
ethtool_link_ksettings_add_link_mode(ks, supported, Pause);
+ ethtool_link_ksettings_add_link_mode(ks, supported, Asym_Pause);

switch (hw->fc.requested_mode) {
case I40E_FC_FULL:
--
2.30.2