From nobody Tue Apr 7 01:19:48 2026 Received: from relmlie5.idc.renesas.com (relmlor1.renesas.com [210.160.252.171]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 8C0033A257B; Tue, 17 Mar 2026 09:42:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.160.252.171 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773740542; cv=none; b=em0gAy61m2v4sLkW7E/CJtLNRK/L+7mIedYYv58V35KKO68tdWCY0hGDpgzNp5s8lgv5OoskIKBTIqIP2TNALtfKO0uRgI3Z+21KdhpaRMz7a3nE19ACjczKnLV5yIeGkPIWJOKEfaGE3lyl3ebafTXkgkRnypN6xoiVLgXjehk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773740542; c=relaxed/simple; bh=uaOzubV6lX5PuPIXhNg1QdvFlsthNSX4pUWq9WpfST8=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=G0e7+46AUSLnzcAfPG/zVhTxA7d4GriowXwDpYXRnNivBbclk6NH+OxysS0wOyBMdFp6GWCszGr4gHpJ5E0PdKPd8DH8+mucKx72baJD+QM+0b1VNkv9WvOaMbspetTAwhrG5cpulPTJK0NApeiLhlbwViPyjDpPLV6FpvVg7jc= 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=210.160.252.171 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: BiaSvzRMR0azA6MQmx14wg== X-CSE-MsgGUID: 6O7hJI4eTE6r5+r5gFZ/SQ== Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie5.idc.renesas.com with ESMTP; 17 Mar 2026 18:42:20 +0900 Received: from [127.0.1.1] (unknown [10.226.78.135]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id AC5724016D6A; Tue, 17 Mar 2026 18:42:17 +0900 (JST) From: Michael Dege Date: Tue, 17 Mar 2026 10:41:59 +0100 Subject: [PATCH net-next 06/13] net: renesas: rswitch: add forwarding rules for gwca Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260317-rswitch_add_vlans-v1-6-3a57bfa0f2d1@renesas.com> References: <20260317-rswitch_add_vlans-v1-0-3a57bfa0f2d1@renesas.com> In-Reply-To: <20260317-rswitch_add_vlans-v1-0-3a57bfa0f2d1@renesas.com> To: Yoshihiro Shimoda , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni 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=1773740518; l=1726; i=michael.dege@renesas.com; s=20251023; h=from:subject:message-id; bh=uaOzubV6lX5PuPIXhNg1QdvFlsthNSX4pUWq9WpfST8=; b=JECrVpLlbdHqnll3A+o4IaUH3ZFVXPQ2fQAOmg5UDxizQmUiEtSE2pWmgKX2Jmhj/Zr18CYrw ZIMvHgA4rFQB9yYLN4ryDFOFZ+P84ADZX81w/r6pZuskEjvXfseV3r1 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 | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/drivers/net/ethernet/renesas/rswitch_l2.c b/drivers/net/ethern= et/renesas/rswitch_l2.c index 709524c8a5c4..21165ec56ce8 100644 --- a/drivers/net/ethernet/renesas/rswitch_l2.c +++ b/drivers/net/ethernet/renesas/rswitch_l2.c @@ -93,10 +93,36 @@ static void rswitch_update_l2_hw_forwarding(struct rswi= tch_private *priv) } } =20 +static void rswitch_update_l2_hw_forwarding_gwca(struct rswitch_private *p= riv) +{ + struct rswitch_device *rdev; + + if (priv->offload_brdev) { + rswitch_modify(priv->addr, FWPC0(AGENT_INDEX_GWCA), + 0, FWPC0_MACSSA | FWPC0_MACDSA | FWPC0_MACRUDA); + + rswitch_for_all_ports(priv, rdev) { + rswitch_modify(priv->addr, FWPC2(rdev->etha->index), + FIELD_PREP(FWPC2_LTWFW, BIT(AGENT_INDEX_GWCA)), + 0); + } + } else { + rswitch_modify(priv->addr, FWPC0(AGENT_INDEX_GWCA), + FWPC0_MACSSA | FWPC0_MACDSA | FWPC0_MACRUDA, + 0); + rswitch_for_all_ports(priv, rdev) { + rswitch_modify(priv->addr, FWPC2(rdev->etha->index), + 0, + FIELD_PREP(FWPC2_LTWFW, BIT(AGENT_INDEX_GWCA))); + } + } +} + 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); } =20 static void rswitch_update_offload_brdev(struct rswitch_private *priv) --=20 2.43.0