From nobody Mon Feb 9 14:37:01 2026 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1FE371A9F84; Mon, 12 Jan 2026 02:46:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=211.75.126.72 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768185992; cv=none; b=BGGEQ/EFdgZn4V/Q2lS+V2DEAnHqXagPaONMCP1l0WQAK55kL/Rz7W6ycsrFqPCqFdj3Kc6mNjekkdR736UFnAHmZk7rQ9DJViJ4iMlIAzMVtyz7xDnMoh0WCxJ/OJyqC60aJI6jALiUXUsNtJHtGz72Uj+kckQgUZIriErILo0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768185992; c=relaxed/simple; bh=7bGxxODUayhFpFH7ufFTYiYf88UtsbWD3WqeYGG1Ask=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=f9VZTU2am7mfq1gXa1myQH8qmPF9Fy9ezXND7KDVu+7tluwQkf7nhIoxeeO1bU3wSSmzu5Km7GbFjmxZuwQaqPXUMYEiqu3KGAXxh71K2yUDvfFSK2xy4A/IZmT9V5T9+Ijz/k9nCbE94S1snfrc55WXo2n4i2DHP2cALDqitYc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=realsil.com.cn; spf=pass smtp.mailfrom=realsil.com.cn; dkim=pass (2048-bit key) header.d=realsil.com.cn header.i=@realsil.com.cn header.b=haOItRVo; arc=none smtp.client-ip=211.75.126.72 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=realsil.com.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=realsil.com.cn Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=realsil.com.cn header.i=@realsil.com.cn header.b="haOItRVo" X-SpamFilter-By: ArmorX SpamTrap 5.80 with qID 60C2jhCY34128682, This message is accepted by code: ctloc85258 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=realsil.com.cn; s=dkim; t=1768185943; bh=7g87re8t4MshgafsWCmjGFNSoUEW5ANnTwm1h447a7Q=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Transfer-Encoding:Content-Type; b=haOItRVox9cn5Snz8dM/rQ3FKPsDcInx8EYNYG/Y5NfVYqXQnJdRSqM7IY4XnDUut UALYBGpWPct0o32RH3MOkiVmWFvjy6OIPUTabA28cP8ZDWYEIbF5EV6nP5JAJonr41 xyGuFlnnNKTn+zfl5J0f2Hg+fREyY7r08EzSqy8Nw34S/+idN/ZgQSQox10z+zJ0rq LzogqDLjQfWZ53Rwy4xOGrhtVrhK09fexagLntrqQ0d3hCTHuUcoCSb67LnIgaEBWt zg+sA9nawYLvdXdzZSlrLXMcoZQ8Z06xxuqA4eo0fMK0GmJlWlN4M2xODRjihtrPgD /vXvQADt7UbKw== Received: from RS-EX-MBS1.realsil.com.cn ([172.29.17.101]) by rtits2.realtek.com.tw (8.15.2/3.21/5.94) with ESMTPS id 60C2jhCY34128682 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 12 Jan 2026 10:45:43 +0800 Received: from RS-EX-MBS2.realsil.com.cn (172.29.17.102) by RS-EX-MBS1.realsil.com.cn (172.29.17.101) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.39; Mon, 12 Jan 2026 10:45:43 +0800 Received: from 172.29.37.154 (172.29.37.152) by RS-EX-MBS2.realsil.com.cn (172.29.17.102) with Microsoft SMTP Server id 15.2.1748.39 via Frontend Transport; Mon, 12 Jan 2026 10:45:43 +0800 From: javen To: , , , , , , , CC: , , Javen Xu Subject: [PATCH net-next v1 1/3] r8169: add DASH support for RTL8127AP Date: Mon, 12 Jan 2026 10:45:39 +0800 Message-ID: <20260112024541.1847-2-javen_xu@realsil.com.cn> X-Mailer: git-send-email 2.50.1.windows.1 In-Reply-To: <20260112024541.1847-1-javen_xu@realsil.com.cn> References: <20260112024541.1847-1-javen_xu@realsil.com.cn> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Javen Xu 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 --- 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/ethern= et/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 r= tl8169_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 =3D=3D 0x04) + ? RTL_DASH_25_BP + : RTL_DASH_NONE; default: return RTL_DASH_NONE; } --=20 2.43.0 From nobody Mon Feb 9 14:37:01 2026 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1FE851AA1D2; Mon, 12 Jan 2026 02:46:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=211.75.126.72 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768185991; cv=none; b=U5NPVhpbCSquZdc7fEul1NsMbrfqBQEmqqAm/TSj6h+pKWsySejwTO+QQWG+TPcPSzJJfyx3fCtidEq9GX8KkATQOKiJwQZVfdkdn2NR69U2NX6ll0Wk8sT9DPmNHwaOAmvZv0bABTJGDaKqk2+45//YYbqSCraXT0+HeEOkkqg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768185991; c=relaxed/simple; bh=Cl8b4dYgQ4jfUxmMGhnfGw8Tw85hrvPxl2s4ztrBWzc=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=RdZtvzv4QvAiDKklT3oiVxuEkgNh8Ji5E67I8GSiQEL9H1JQ7ly330aZutOhraD6DUfDRL3uiD+bMvjH3sfeM90az81G28wK8CGrowqfLhkkGmHpQ1Q6CDCxHcYBSKyszA7l22TDEXF/jMhZ3Lu0+ODFdcbhSb/NkL0DQ74X/vo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=realsil.com.cn; spf=pass smtp.mailfrom=realsil.com.cn; dkim=pass (2048-bit key) header.d=realsil.com.cn header.i=@realsil.com.cn header.b=VOa4B7R9; arc=none smtp.client-ip=211.75.126.72 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=realsil.com.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=realsil.com.cn Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=realsil.com.cn header.i=@realsil.com.cn header.b="VOa4B7R9" X-SpamFilter-By: ArmorX SpamTrap 5.80 with qID 60C2jiCX34128682, This message is accepted by code: ctloc85258 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=realsil.com.cn; s=dkim; t=1768185944; bh=TzsVV9MZzRXo9Za2VUWgZgZZ8I+2hL82DPYp6joG1a4=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Transfer-Encoding:Content-Type; b=VOa4B7R9HD7wc16o4r0DX9T+5O0uXN1wdM/kuy1+jRoE2at1/vEGGBV7GsHJBILRq 9N2bBP3H2bFi6Fcm7VAf3GgNam8bYcvPzSTXt5V+Y+iMX8NKpfhww+J/uKeU1ojOKG 3wLx6LaeEaZSO9J30As3qi79DkTH4ARBca5I2uWpd8P+X1h3b8JmzcrhKXTW+RDsw0 ZsH0Coba2snEyQscmAvOz42AZLZKfKmaHT7YZ3JT3+Z9DV+sYu0K8XzBPPwWg531S8 cDzFSzNPH1KI0sxrdpkpdThyZfxqOwWasB66ygRcYgM1ApXyMLzI9ZPMAkMOkdPDdc dNZZZIidqFC1A== Received: from RS-EX-MBS1.realsil.com.cn ([172.29.17.101]) by rtits2.realtek.com.tw (8.15.2/3.21/5.94) with ESMTPS id 60C2jiCX34128682 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 12 Jan 2026 10:45:44 +0800 Received: from RS-EX-MBS2.realsil.com.cn (172.29.17.102) by RS-EX-MBS1.realsil.com.cn (172.29.17.101) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.39; Mon, 12 Jan 2026 10:45:44 +0800 Received: from 172.29.37.154 (172.29.37.152) by RS-EX-MBS2.realsil.com.cn (172.29.17.102) with Microsoft SMTP Server id 15.2.1748.39 via Frontend Transport; Mon, 12 Jan 2026 10:45:44 +0800 From: javen To: , , , , , , , CC: , , Javen Xu Subject: [PATCH net-next v1 2/3] r8169: enable LTR support Date: Mon, 12 Jan 2026 10:45:40 +0800 Message-ID: <20260112024541.1847-3-javen_xu@realsil.com.cn> X-Mailer: git-send-email 2.50.1.windows.1 In-Reply-To: <20260112024541.1847-1-javen_xu@realsil.com.cn> References: <20260112024541.1847-1-javen_xu@realsil.com.cn> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Javen Xu This patch will enable RTL8168FP/RTL8168EP/RTL8168H/RTL8125/RTL8126/RTL8127 LTR support. Signed-off-by: Javen Xu --- drivers/net/ethernet/realtek/r8169_main.c | 98 +++++++++++++++++++++++ 1 file changed, 98 insertions(+) diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethern= et/realtek/r8169_main.c index f9df6aadacce..9b89bbf67198 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -312,6 +312,15 @@ enum rtl_registers { IBIMR0 =3D 0xfa, IBISR0 =3D 0xfb, FuncForceEvent =3D 0xfc, + + ALDPS_LTR =3D 0xe0a2, + LTR_OBFF_LOCK =3D 0xe032, + LTR_SNOOP =3D 0xe034, + +#define ALDPS_LTR_EN BIT(0) +#define LTR_OBFF_LOCK_EN BIT(0) +#define LINK_SPEED_CHANGE_EN BIT(14) +#define LTR_SNOOP_EN GENMASK(15, 14) }; =20 enum rtl8168_8101_registers { @@ -397,6 +406,8 @@ enum rtl8168_registers { #define PWM_EN (1 << 22) #define RXDV_GATED_EN (1 << 19) #define EARLY_TALLY_EN (1 << 16) + COMBO_LTR_EXTEND =3D 0xb6, +#define COMBO_LTR_EXTEND_EN BIT(0) }; =20 enum rtl8125_registers { @@ -2919,6 +2930,92 @@ static void rtl_disable_exit_l1(struct rtl8169_priva= te *tp) } } =20 +static void rtl_enable_ltr(struct rtl8169_private *tp) +{ + switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_80: + r8168_mac_ocp_write(tp, 0xcdd0, 0x9003); + r8168_mac_ocp_modify(tp, LTR_SNOOP, 0x0000, LTR_SNOOP_EN); + r8168_mac_ocp_modify(tp, ALDPS_LTR, 0x0000, ALDPS_LTR_EN); + r8168_mac_ocp_write(tp, 0xcdd2, 0x8c09); + r8168_mac_ocp_write(tp, 0xcdd8, 0x9003); + r8168_mac_ocp_write(tp, 0xcdd4, 0x9003); + r8168_mac_ocp_write(tp, 0xcdda, 0x9003); + r8168_mac_ocp_write(tp, 0xcdd6, 0x9003); + r8168_mac_ocp_write(tp, 0xcddc, 0x9003); + r8168_mac_ocp_write(tp, 0xcde8, 0x887a); + r8168_mac_ocp_write(tp, 0xcdea, 0x9003); + r8168_mac_ocp_write(tp, 0xcdec, 0x8c09); + r8168_mac_ocp_write(tp, 0xcdee, 0x9003); + r8168_mac_ocp_write(tp, 0xcdf0, 0x8a62); + r8168_mac_ocp_write(tp, 0xcdf2, 0x9003); + r8168_mac_ocp_write(tp, 0xcdf4, 0x883e); + r8168_mac_ocp_write(tp, 0xcdf6, 0x9003); + r8168_mac_ocp_write(tp, 0xcdf8, 0x8849); + r8168_mac_ocp_write(tp, 0xcdfa, 0x9003); + r8168_mac_ocp_modify(tp, LTR_OBFF_LOCK, 0x0000, LINK_SPEED_CHANGE_EN); + break; + case RTL_GIGA_MAC_VER_70: + r8168_mac_ocp_write(tp, 0xcdd0, 0x9003); + r8168_mac_ocp_modify(tp, LTR_SNOOP, 0x0000, LTR_SNOOP_EN); + r8168_mac_ocp_modify(tp, ALDPS_LTR, 0x0000, ALDPS_LTR_EN); + r8168_mac_ocp_write(tp, 0xcdd2, 0x8c09); + r8168_mac_ocp_write(tp, 0xcdd8, 0x9003); + r8168_mac_ocp_write(tp, 0xcdd4, 0x9003); + r8168_mac_ocp_write(tp, 0xcdda, 0x9003); + r8168_mac_ocp_write(tp, 0xcdd6, 0x9003); + r8168_mac_ocp_write(tp, 0xcddc, 0x9003); + r8168_mac_ocp_write(tp, 0xcde8, 0x887a); + r8168_mac_ocp_write(tp, 0xcdea, 0x9003); + r8168_mac_ocp_write(tp, 0xcdec, 0x8c09); + r8168_mac_ocp_write(tp, 0xcdee, 0x9003); + r8168_mac_ocp_write(tp, 0xcdf0, 0x8a62); + r8168_mac_ocp_write(tp, 0xcdf2, 0x9003); + r8168_mac_ocp_write(tp, 0xcdf4, 0x883e); + r8168_mac_ocp_write(tp, 0xcdf6, 0x9003); + r8168_mac_ocp_modify(tp, LTR_OBFF_LOCK, 0x0000, LINK_SPEED_CHANGE_EN); + break; + case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_66: + r8168_mac_ocp_write(tp, 0xcdd0, 0x9003); + r8168_mac_ocp_modify(tp, LTR_SNOOP, 0x0000, LTR_SNOOP_EN); + r8168_mac_ocp_modify(tp, ALDPS_LTR, 0x0000, ALDPS_LTR_EN); + r8168_mac_ocp_write(tp, 0xcdd2, 0x889c); + r8168_mac_ocp_write(tp, 0xcdd8, 0x9003); + r8168_mac_ocp_write(tp, 0xcdd4, 0x8c30); + r8168_mac_ocp_write(tp, 0xcdda, 0x9003); + r8168_mac_ocp_write(tp, 0xcdd6, 0x9003); + r8168_mac_ocp_write(tp, 0xcddc, 0x9003); + r8168_mac_ocp_write(tp, 0xcde8, 0x883e); + r8168_mac_ocp_write(tp, 0xcdea, 0x9003); + r8168_mac_ocp_write(tp, 0xcdec, 0x889c); + r8168_mac_ocp_write(tp, 0xcdee, 0x9003); + r8168_mac_ocp_write(tp, 0xcdf0, 0x8C09); + r8168_mac_ocp_write(tp, 0xcdf2, 0x9003); + r8168_mac_ocp_modify(tp, LTR_OBFF_LOCK, 0x0000, LINK_SPEED_CHANGE_EN); + break; + case RTL_GIGA_MAC_VER_46 ... RTL_GIGA_MAC_VER_48: + case RTL_GIGA_MAC_VER_52: + r8168_mac_ocp_modify(tp, ALDPS_LTR, 0x0000, ALDPS_LTR_EN); + RTL_W8(tp, COMBO_LTR_EXTEND, RTL_R8(tp, COMBO_LTR_EXTEND) | COMBO_LTR_EX= TEND_EN); + fallthrough; + case RTL_GIGA_MAC_VER_51: + r8168_mac_ocp_modify(tp, LTR_SNOOP, 0x0000, LTR_SNOOP_EN); + r8168_mac_ocp_write(tp, 0xe02c, 0x1880); + r8168_mac_ocp_write(tp, 0xe02e, 0x4880); + r8168_mac_ocp_write(tp, 0xcdd8, 0x9003); + r8168_mac_ocp_write(tp, 0xcdda, 0x9003); + r8168_mac_ocp_write(tp, 0xcddc, 0x9003); + r8168_mac_ocp_write(tp, 0xcdd2, 0x883c); + r8168_mac_ocp_write(tp, 0xcdd4, 0x8c12); + r8168_mac_ocp_write(tp, 0xcdd6, 0x9003); + break; + default: + return; + } + /* chip can trigger LTR */ + r8168_mac_ocp_modify(tp, LTR_OBFF_LOCK, 0x0003, LTR_OBFF_LOCK_EN); +} + static void rtl_hw_aspm_clkreq_enable(struct rtl8169_private *tp, bool ena= ble) { u8 val8; @@ -2947,6 +3044,7 @@ static void rtl_hw_aspm_clkreq_enable(struct rtl8169_= private *tp, bool enable) break; } =20 + rtl_enable_ltr(tp); switch (tp->mac_version) { case RTL_GIGA_MAC_VER_46 ... RTL_GIGA_MAC_VER_48: case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_LAST: --=20 2.43.0 From nobody Mon Feb 9 14:37:01 2026 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1FDC58634F; Mon, 12 Jan 2026 02:46:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=211.75.126.72 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768185991; cv=none; b=p9a3v3IzxkCqObU8aSVpJPLrS89pQ24ukahUQROlhPJplkpJr8YgcKsJKYctU2HOZry7oGx8MWEsNMtRWpTAsw0c213yP3vEtBDzowZIeKE5PVV4m/OdMahO6BfWSJ063pTZzmX1ft0JwqYXfNRpi1h4HuzaOpZY4Ub1NzuVuz8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768185991; c=relaxed/simple; bh=JFE2Uy28/Fyajiebu5unxsSTP/WHsIrQJV+GAQ0IW/s=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=NWhGOpXtVLbXoK7zcBaOpf5gQwvkSpqYWBGSljpWimN6btsgJ1m68cT15lpOVRA/DKYjjrhNUu84F3fxypMFi63A9QkJE1jsmuu0KM1GdO80WZY86uHiq2hMurUsig9BHm3mlmPjNcD9lKu3eIpkKSkov+mPLvN/Npm+dTp+yLw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=realsil.com.cn; spf=pass smtp.mailfrom=realsil.com.cn; dkim=pass (2048-bit key) header.d=realsil.com.cn header.i=@realsil.com.cn header.b=ao7isnKp; arc=none smtp.client-ip=211.75.126.72 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=realsil.com.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=realsil.com.cn Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=realsil.com.cn header.i=@realsil.com.cn header.b="ao7isnKp" X-SpamFilter-By: ArmorX SpamTrap 5.80 with qID 60C2jjyG74128687, This message is accepted by code: ctloc85258 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=realsil.com.cn; s=dkim; t=1768185945; bh=4/a1T+VhEubM75m2jeLU4QR0PZlJpN5DuHktbJ45OHI=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Transfer-Encoding:Content-Type; b=ao7isnKpZkZsgPmUxKJJZAYbdIF5IXD9mB4B6otRtfBU8rEpUsopfD8vjP6kSJ6Q+ nDN9X6755n5OqvyDvYLBRN0ItOgjkzxqj+1cMxoe1wAXuanKWscWtUGg6QD6Pk8S5c MfbUVyICnNtWZwQY9ASb66bbZRNrmsM5fqNGyWMamAH35UsFhAM5lGLaYUWAkJrYzc 7+8K/1/WLt2DNQt3oU3xtGIE/H1vQ2GlYHBhW9YgP6oxeqkMQ1kexB5sz/C33Yxfge MaNzjaQPJwz3jojQJdxlFLOc6mvRvRARC+pKkQQZJbNq+EeruJBZFdz3Z2kVnDMyd9 pAhuQMMZm+iUQ== Received: from RS-EX-MBS1.realsil.com.cn ([172.29.17.101]) by rtits2.realtek.com.tw (8.15.2/3.21/5.94) with ESMTPS id 60C2jjyG74128687 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 12 Jan 2026 10:45:45 +0800 Received: from RS-EX-MBS2.realsil.com.cn (172.29.17.102) by RS-EX-MBS1.realsil.com.cn (172.29.17.101) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.39; Mon, 12 Jan 2026 10:45:44 +0800 Received: from 172.29.37.154 (172.29.37.152) by RS-EX-MBS2.realsil.com.cn (172.29.17.102) with Microsoft SMTP Server id 15.2.1748.39 via Frontend Transport; Mon, 12 Jan 2026 10:45:44 +0800 From: javen To: , , , , , , , CC: , , Javen Xu Subject: [PATCH net-next v1 3/3] r8169: add support for chip RTL9151AS Date: Mon, 12 Jan 2026 10:45:41 +0800 Message-ID: <20260112024541.1847-4-javen_xu@realsil.com.cn> X-Mailer: git-send-email 2.50.1.windows.1 In-Reply-To: <20260112024541.1847-1-javen_xu@realsil.com.cn> References: <20260112024541.1847-1-javen_xu@realsil.com.cn> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Javen Xu This patch adds support for chip RTL9151AS. Since lacking of Hardware version IDs, we use TX_CONFIG_V2 to recognize RTL9151AS and coming chips. rtl_chip_infos_extend is used to store IC information for RTL9151AS and coming chips. The TxConfig value between RTL9151AS and RTL9151A is=20 different. Signed-off-by: Javen Xu --- drivers/net/ethernet/realtek/r8169.h | 3 ++- drivers/net/ethernet/realtek/r8169_main.c | 28 +++++++++++++++++++++-- 2 files changed, 28 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/realtek/r8169.h b/drivers/net/ethernet/re= altek/r8169.h index 2c1a0c21af8d..f66c279cbee6 100644 --- a/drivers/net/ethernet/realtek/r8169.h +++ b/drivers/net/ethernet/realtek/r8169.h @@ -72,7 +72,8 @@ enum mac_version { RTL_GIGA_MAC_VER_70, RTL_GIGA_MAC_VER_80, RTL_GIGA_MAC_NONE, - RTL_GIGA_MAC_VER_LAST =3D RTL_GIGA_MAC_NONE - 1 + RTL_GIGA_MAC_VER_LAST =3D RTL_GIGA_MAC_NONE - 1, + RTL_GIGA_MAC_VER_CHECK_EXTEND }; =20 struct rtl8169_private; diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethern= et/realtek/r8169_main.c index 9b89bbf67198..164ad6570059 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -95,8 +95,8 @@ #define JUMBO_16K (SZ_16K - VLAN_ETH_HLEN - ETH_FCS_LEN) =20 static const struct rtl_chip_info { - u16 mask; - u16 val; + u32 mask; + u32 val; enum mac_version mac_version; const char *name; const char *fw_name; @@ -205,10 +205,20 @@ static const struct rtl_chip_info { { 0xfc8, 0x040, RTL_GIGA_MAC_VER_03, "RTL8110s" }, { 0xfc8, 0x008, RTL_GIGA_MAC_VER_02, "RTL8169s" }, =20 + /* extend chip version*/ + { 0x7cf, 0x7c8, RTL_GIGA_MAC_VER_CHECK_EXTEND }, + /* Catch-all */ { 0x000, 0x000, RTL_GIGA_MAC_NONE } }; =20 +static const struct rtl_chip_info rtl_chip_infos_extend[] =3D { + { 0x7fffffff, 0x00000000, RTL_GIGA_MAC_VER_64, "RTL9151AS", FIRMWARE_9151= A_1}, + + /* Catch-all */ + { 0x00000000, 0x00000000, RTL_GIGA_MAC_NONE } +}; + static const struct pci_device_id rtl8169_pci_tbl[] =3D { { PCI_VDEVICE(REALTEK, 0x2502) }, { PCI_VDEVICE(REALTEK, 0x2600) }, @@ -255,6 +265,8 @@ enum rtl_registers { IntrStatus =3D 0x3e, =20 TxConfig =3D 0x40, + /* Extend version register */ + TX_CONFIG_V2 =3D 0x60b0, #define TXCFG_AUTO_FIFO (1 << 7) /* 8111e-vl */ #define TXCFG_EMPTY (1 << 11) /* 8111e-vl */ =20 @@ -2351,6 +2363,15 @@ static const struct ethtool_ops rtl8169_ethtool_ops = =3D { .get_eth_ctrl_stats =3D rtl8169_get_eth_ctrl_stats, }; =20 +static const struct rtl_chip_info *rtl8169_get_extend_chip_version(u32 txc= onfigv2) +{ + const struct rtl_chip_info *p =3D rtl_chip_infos_extend; + + while ((txconfigv2 & p->mask) !=3D p->val) + p++; + return p; +} + static const struct rtl_chip_info *rtl8169_get_chip_version(u16 xid, bool = gmii) { /* Chips combining a 1Gbps MAC with a 100Mbps PHY */ @@ -5543,6 +5564,9 @@ static int rtl_init_one(struct pci_dev *pdev, const s= truct pci_device_id *ent) =20 /* Identify chip attached to board */ chip =3D rtl8169_get_chip_version(xid, tp->supports_gmii); + + if (chip->mac_version =3D=3D RTL_GIGA_MAC_VER_CHECK_EXTEND) + chip =3D rtl8169_get_extend_chip_version(RTL_R32(tp, TX_CONFIG_V2)); if (chip->mac_version =3D=3D RTL_GIGA_MAC_NONE) return dev_err_probe(&pdev->dev, -ENODEV, "unknown chip XID %03x, contact r8169 maintainers (see MAINTAINER= S file)\n", --=20 2.43.0