netdev - [PATCH net 2/4] i40e: Added Asym_Pause to supported link modes

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Date:   Thu, 25 Mar 2021 15:31:17 -0700
From:   Tony Nguyen <anthony.l.nguyen@...el.com>
To:     davem@...emloft.net, kuba@...nel.org
Cc:     Mateusz Palczewski <mateusz.palczewski@...el.com>,
        netdev@...r.kernel.org, sassmann@...hat.com,
        anthony.l.nguyen@...el.com,
        Dawid Lukwinski <dawid.lukwinski@...el.com>,
        Aleksandr Loktionov <aleksandr.loktionov@...el.com>,
        Przemyslaw Patynowski <przemyslawx.patynowski@...el.com>,
        Tony Brelinski <tonyx.brelinski@...el.com>
Subject: [PATCH net 2/4] i40e: Added Asym_Pause to supported link modes

From: Mateusz Palczewski <mateusz.palczewski@...el.com>

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@...el.com>
Signed-off-by: Mateusz Palczewski <mateusz.palczewski@...el.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@...el.com>
Reviewed-by: Przemyslaw Patynowski <przemyslawx.patynowski@...el.com>
Tested-by: Tony Brelinski <tonyx.brelinski@...el.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@...el.com>
---
 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 c70dec65a572..2c637a5678b3 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
@@ -1101,6 +1101,7 @@ 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:
-- 
2.26.2