linux-kernel - [PATCH 4.19 33/66] i40e: Added Asym

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Message-Id: <20210412083959.195699344@linuxfoundation.org>
Date:   Mon, 12 Apr 2021 10:40:39 +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,
        Dawid Lukwinski <dawid.lukwinski@...el.com>,
        Mateusz Palczewski <mateusz.palczewski@...el.com>,
        Aleksandr Loktionov <aleksandr.loktionov@...el.com>,
        Przemyslaw Patynowski <przemyslawx.patynowski@...el.com>,
        Tony Brelinski <tonyx.brelinski@...el.com>,
        Tony Nguyen <anthony.l.nguyen@...el.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 33/66] i40e: Added Asym_Pause to supported link modes

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

[ 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@...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>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 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