linux-kernel - [PATCH net-next v3 1/2] r8169: add DASH support for RTL8127AP

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Message-ID: <20260109064230.1094-2-javen_xu@realsil.com.cn>
Date: Fri, 9 Jan 2026 14:42:28 +0800
From: javen <javen_xu@...lsil.com.cn>
To: <hkallweit1@...il.com>, <nic_swsd@...ltek.com>, <andrew+netdev@...n.ch>,
        <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
        <pabeni@...hat.com>, <horms@...nel.org>
CC: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Javen Xu
	<javen_xu@...lsil.com.cn>
Subject: [PATCH net-next v3 1/2] r8169: add DASH support for RTL8127AP

From: Javen Xu <javen_xu@...lsil.com.cn>

This adds DASH support for chip RTL8127AP. Its mac version is
RTL_GIGA_MAC_VER_80 and revision id is 0x04. DASH is a standard for
remote management of network device, allowing out-of-band control.

Signed-off-by: Javen Xu <javen_xu@...lsil.com.cn>
---
 drivers/net/ethernet/realtek/r8169_main.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index 755083852eef..f9df6aadacce 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -1513,6 +1513,10 @@ static enum rtl_dash_type rtl_get_dash_type(struct rtl8169_private *tp)
 		return RTL_DASH_EP;
 	case RTL_GIGA_MAC_VER_66:
 		return RTL_DASH_25_BP;
+	case RTL_GIGA_MAC_VER_80:
+		return (tp->pci_dev->revision == 0x04)
+			? RTL_DASH_25_BP
+			: RTL_DASH_NONE;
 	default:
 		return RTL_DASH_NONE;
 	}
-- 
2.43.0