From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id AE51A2DF719; Mon, 11 May 2026 08:52:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.160.252.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778489572; cv=none; b=Hst5JoDVm4KvXivlX2Lji2PAksVT0Q2jIifRbCGAs0+TQ5mK45V5nkefh4odKYysshVCj33mTvMmeiLcYRj8RG5RlI953PC5Ohdn/3Ub/JJOMkqFdmRsaZm0yjx1QUjFBoKckXSnAYclnHnU9H8msZHQEJoNJCAeJjYkL/o8m1k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778489572; c=relaxed/simple; bh=JGGhbyQumfo3wcFix6PAjLF371iAqBT/aYF9KzKp2j0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=TP5VLoM1lSn9Ccznm3nLO7O5HQKscULa6AJkE2+XM8LHhOgrPvCDP/eM8zyHNrjEc14/p5GLwUiJmQbeBK1jtWEfFFhk1DKlM4Ys+SiY1lxeyZ5vwqADmD9259g/WUoq63bBvhy9vaUY5N5HORxZ9wbyQz7cKpKhpsuVHZZnhOc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=renesas.com; spf=pass smtp.mailfrom=renesas.com; arc=none smtp.client-ip=210.160.252.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=renesas.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=renesas.com X-CSE-ConnectionGUID: 6Y0GVprmRP6GR5Y34Z0ckQ== X-CSE-MsgGUID: 3Q8s+sSFS/CDIRXHLgYV8g== Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie6.idc.renesas.com with ESMTP; 11 May 2026 17:52:49 +0900 Received: from [127.0.1.1] (unknown [10.226.78.135]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id 628764010E3A; Mon, 11 May 2026 17:52:46 +0900 (JST) From: Michael Dege Date: Mon, 11 May 2026 10:52:09 +0200 Subject: [PATCH net-next v4 06/13] net: renesas: rswitch: add forwarding rules for gwca Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260511-rswitch_add_vlans-v4-6-a5a225f8faae@renesas.com> References: <20260511-rswitch_add_vlans-v4-0-a5a225f8faae@renesas.com> In-Reply-To: <20260511-rswitch_add_vlans-v4-0-a5a225f8faae@renesas.com> To: Yoshihiro Shimoda , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , =?utf-8?q?Niklas_S=C3=B6derlund?= , Paul Barker Cc: netdev@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Michael Dege X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1778489544; l=1614; i=michael.dege@renesas.com; s=20251023; h=from:subject:message-id; bh=JGGhbyQumfo3wcFix6PAjLF371iAqBT/aYF9KzKp2j0=; b=zd8gZHvEnZ+as+0jFP5rCe67MXdKRbRlv9++VcKUhzrxSrd2FO6wqa18Ufpsq+18jDLFYkRE2 SP0rQLqM8+uBzQxdpehfT5Ubydp/3/CvXc1KZZAUQqB5pluTUcR+M2q X-Developer-Key: i=michael.dege@renesas.com; a=ed25519; pk=gu1rwIcCrAxNMv2I8fIfiQvt51xzZwnQy4Ua/DscQt8= Add rules to forward packets from the Ethernet ports to the CPU port (GWCA) using L2 forwarding instead of port forwarding. Signed-off-by: Michael Dege --- drivers/net/ethernet/renesas/rswitch_l2.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/drivers/net/ethernet/renesas/rswitch_l2.c b/drivers/net/ethernet/renesas/rswitch_l2.c index 709524c8a5c4..3cc0ce8762f3 100644 --- a/drivers/net/ethernet/renesas/rswitch_l2.c +++ b/drivers/net/ethernet/renesas/rswitch_l2.c @@ -93,10 +93,32 @@ static void rswitch_update_l2_hw_forwarding(struct rswitch_private *priv) } } +static void rswitch_update_l2_hw_forwarding_gwca(struct rswitch_private *priv) +{ + struct rswitch_device *rdev; + u32 fwpc0_set, fwpc0_clr, fwpc2_set, fwpc2_clr; + + fwpc0_clr = FWPC0_MACSSA | FWPC0_MACDSA | FWPC0_MACRUDA; + fwpc0_set = fwpc0_clr; + fwpc2_clr = FIELD_PREP(FWPC2_LTWFW, BIT(AGENT_INDEX_GWCA)); + fwpc2_set = fwpc2_clr; + + (priv->offload_brdev) ? (fwpc0_clr = 0, fwpc2_set = 0) + : (fwpc0_set = 0, fwpc2_clr = 0); + + rswitch_modify(priv->addr, FWPC0(AGENT_INDEX_GWCA), fwpc0_clr, fwpc0_set); + + rswitch_for_all_ports(priv, rdev) { + rswitch_modify(priv->addr, FWPC2(rdev->etha->index), + fwpc2_clr, fwpc2_set); + } +} + void rswitch_update_l2_offload(struct rswitch_private *priv) { rswitch_update_l2_hw_learning(priv); rswitch_update_l2_hw_forwarding(priv); + rswitch_update_l2_hw_forwarding_gwca(priv); } static void rswitch_update_offload_brdev(struct rswitch_private *priv) -- 2.43.0