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From: Jiawen Wu <jiawenwu@trustnetic.com>
To: dev@dpdk.org
Cc: Jiawen Wu <jiawenwu@trustnetic.com>, stable@dpdk.org
Subject: [PATCH 9/9] net/txgbe: fix KR auto-negotiation
Date: Tue,  8 Feb 2022 18:11:29 +0800	[thread overview]
Message-ID: <20220208101129.69173-10-jiawenwu@trustnetic.com> (raw)
In-Reply-To: <20220208101129.69173-1-jiawenwu@trustnetic.com>

Fix failure to enter auto-negotiation mode on some firmware versions for
KR NICs.

Fixes: f611dada1af8 ("net/txgbe: update link setup process of backplane NICs")
Cc: stable@dpdk.org

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
---
 drivers/net/txgbe/base/txgbe_phy.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/txgbe/base/txgbe_phy.c b/drivers/net/txgbe/base/txgbe_phy.c
index 3f5229ecc2..3fb929f37a 100644
--- a/drivers/net/txgbe/base/txgbe_phy.c
+++ b/drivers/net/txgbe/base/txgbe_phy.c
@@ -1455,6 +1455,10 @@ txgbe_set_link_to_kr(struct txgbe_hw *hw, bool autoneg)
 		if (!(hw->devarg.auto_neg == 1)) {
 			wr32_epcs(hw, SR_AN_CTRL, 0);
 			wr32_epcs(hw, VR_AN_KR_MODE_CL, 0);
+		} else {
+			value = rd32_epcs(hw, TXGBE_PHY_TX_EQ_CTL1);
+			value &= ~(1 << 6);
+			wr32_epcs(hw, TXGBE_PHY_TX_EQ_CTL1, value);
 		}
 		if (hw->devarg.present == 1) {
 			value = rd32_epcs(hw, TXGBE_PHY_TX_EQ_CTL1);
-- 
2.21.0.windows.1




      parent reply	other threads:[~2022-02-08 10:06 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-08 10:11 [PATCH 0/9] Wangxun fixes and supports Jiawen Wu
2022-02-08 10:11 ` [PATCH 1/9] net/ngbe: fix failed to receive packets Jiawen Wu
2022-02-08 10:11 ` [PATCH 2/9] net/ngbe: fix link interrupt sometimes lost Jiawen Wu
2022-02-08 10:11 ` [PATCH 3/9] net/ngbe: fix Tx pending Jiawen Wu
2022-02-08 17:38   ` Ferruh Yigit
2022-02-08 10:11 ` [PATCH 4/9] net/ngbe: fix RxTx packet statistics Jiawen Wu
2022-02-08 17:38   ` Ferruh Yigit
2022-02-08 10:11 ` [PATCH 5/9] net/ngbe: optimize the PHY initialization process Jiawen Wu
2022-02-08 17:39   ` Ferruh Yigit
2022-02-09  2:38     ` Jiawen Wu
2022-02-08 10:11 ` [PATCH 6/9] net/ngbe: add support to custom PHY interfaces Jiawen Wu
2022-02-08 17:41   ` Ferruh Yigit
2022-02-09  6:17     ` Jiawen Wu
2022-02-08 10:11 ` [PATCH 7/9] net: add LED OEM support for wangxun devices Jiawen Wu
2022-02-08 17:41   ` Ferruh Yigit
2022-02-08 10:11 ` [PATCH 8/9] net/txgbe: fix to set link up and down Jiawen Wu
2022-02-08 10:11 ` Jiawen Wu [this message]

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