From nobody Wed Apr 1 14:10:11 2026 Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id DDBF03F1662; Tue, 31 Mar 2026 10:04:28 +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=1774951470; cv=none; b=eAXea/yjUVBPauhO6/3ll80xdvdLyfPzpyw2PBY945GVPesXncY5wuutj9Fa5KRd3WTLu89wmava2UwdEG596i0QdSho3sEwqh37w778wd/tOSodhR7voaOgFd12Phi06AZDV2tTcVLD8uKVB5ShM4bOsCvWEIn1ABi1GvYPGoE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774951470; c=relaxed/simple; bh=iNxe+78/8LfJp0QgyF9JQQuVKOLxeDUsKgyPSJLqbQ0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=CBZlutz5LUS7ALLj4J7qFAYGM8ytLHHAdkRNcHMxRJS/csQ6A5dQCqN3S/T2MVLujCF5Nl8N2yDkVzBDrF1XlE+txezfrZqFqrz+oEVsRFl02i949Qj7+RMZ5ThXqpVQ5fZidofFX6fxTKu2AQzsXbU9RS3gRhi8XhTtODd5Wsk= 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: Do6nEv58T+W3Y6r9x4SA1g== X-CSE-MsgGUID: 3U9RsP6pT4+jIyxhm2dm6w== Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie6.idc.renesas.com with ESMTP; 31 Mar 2026 19:04:27 +0900 Received: from [127.0.1.1] (unknown [10.226.78.135]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id BAFD4416C39F; Tue, 31 Mar 2026 19:04:24 +0900 (JST) From: Michael Dege Date: Tue, 31 Mar 2026 12:04:00 +0200 Subject: [PATCH net-next v3 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: <20260331-rswitch_add_vlans-v3-6-c37f41b1c556@renesas.com> References: <20260331-rswitch_add_vlans-v3-0-c37f41b1c556@renesas.com> In-Reply-To: <20260331-rswitch_add_vlans-v3-0-c37f41b1c556@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=1774951442; l=1614; i=michael.dege@renesas.com; s=20251023; h=from:subject:message-id; bh=iNxe+78/8LfJp0QgyF9JQQuVKOLxeDUsKgyPSJLqbQ0=; b=Cy0fN8GLSdKuAI8N3y0cz88KRZaFVlthY+KiH4LruqgwEE/aGeMO4dvM+PakWe41UpGd0Xjua wKXW+t3xYkkC0N1+TCihUXz+2TwMHYEpFeaGvqxpoYVAgm2uBFmPWd6 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/ethern= et/renesas/rswitch_l2.c index 709524c8a5c4..cabf1f92ad0c 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 rswi= tch_private *priv) } } =20 +static void rswitch_update_l2_hw_forwarding_gwca(struct rswitch_private *p= riv) +{ + struct rswitch_device *rdev; + u32 fwpc0_set, fwpc0_clr, fwpc2_set, fwpc2_clr; + + fwpc0_clr =3D FWPC0_MACSSA | FWPC0_MACDSA | FWPC0_MACRUDA; + fwpc0_set =3D fwpc0_clr; + fwpc2_clr =3D FIELD_PREP(FWPC2_LTWFW, BIT(AGENT_INDEX_GWCA)); + fwpc2_set =3D fwpc2_clr; + + (priv->offload_brdev) ? (fwpc0_clr =3D 0, fwpc2_set =3D 0) + : (fwpc0_set =3D 0, fwpc2_set =3D 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); } =20 static void rswitch_update_offload_brdev(struct rswitch_private *priv) --=20 2.43.0