From patchwork Sat Jun 15 10:30:38 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Barker X-Patchwork-Id: 13699268 X-Patchwork-Delegate: geert@linux-m68k.org Received: from relmlie5.idc.renesas.com (relmlor1.renesas.com [210.160.252.171]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 99CAD3D96A; Sat, 15 Jun 2024 10:30:59 +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=1718447461; cv=none; b=nfIgNhOVqrW3X94W6IhlieNel9d/vuMn8RGpmgqvVYp4B+pevPdq4K6gQlKTvniGovBPhsrSZSYz3Lm0MwFqgaTuz6srcYbGn4zRQAzmMPfB8h6H2YNSTRitfQ1pWmCBKC/ERvkr4yM+7VKoKNxW4gS0C/tx4zhg9szl9Qwta4s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718447461; c=relaxed/simple; bh=x6C+cXK3P0uYDqptIsdiBzfv9QOKfE0ygykqXJOCFW4=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=qtGdN6cR6nalXOEhnfODNfEX0MgMIu5Hqmc2ygBknVUNP01vMz/LSfPOOlwKrm5WhBIwtKXlWKQUzImDX2xV2pyO7IgtgUUiuDeE98kuo4pe5mZ+BJYspyH/kUOo8fJgRp4Dg5hPoYa5y6L4TdW4lM4aZum/FXA2W4NEEVBixH0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=bp.renesas.com; spf=pass smtp.mailfrom=bp.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=bp.renesas.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bp.renesas.com X-IronPort-AV: E=Sophos;i="6.08,240,1712588400"; d="scan'208";a="208029890" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie5.idc.renesas.com with ESMTP; 15 Jun 2024 19:30:59 +0900 Received: from renesas-deb12.mshome.net (unknown [10.226.92.58]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id 95FB340071E2; Sat, 15 Jun 2024 19:30:54 +0900 (JST) From: Paul Barker To: Sergey Shtylyov , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , =?utf-8?q?Niklas_S=C3=B6derlund?= Cc: Paul Barker , Biju Das , Claudiu Beznea , Lad Prabhakar , Mitsuhiro Kimura , netdev@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [net-next PATCH 2/2] net: ravb: Fix R-Car RX frame size limit Date: Sat, 15 Jun 2024 11:30:38 +0100 Message-Id: <20240615103038.973-3-paul.barker.ct@bp.renesas.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240615103038.973-1-paul.barker.ct@bp.renesas.com> References: <20240615103038.973-1-paul.barker.ct@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The RX frame size limit should not be based on the current MTU setting. Instead it should be based on the hardware capabilities. Fixes: c156633f1353 ("Renesas Ethernet AVB driver proper") Signed-off-by: Paul Barker Reviewed-by: Sergey Shtylyov --- drivers/net/ethernet/renesas/ravb_main.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index 02cbf850bd85..481c854cb305 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -555,8 +555,10 @@ static void ravb_emac_init_gbeth(struct net_device *ndev) static void ravb_emac_init_rcar(struct net_device *ndev) { + struct ravb_private *priv = netdev_priv(ndev); + /* Receive frame limit set register */ - ravb_write(ndev, ndev->mtu + ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN, RFLR); + ravb_write(ndev, priv->info->rx_max_frame_size + ETH_FCS_LEN, RFLR); /* EMAC Mode: PAUSE prohibition; Duplex; RX Checksum; TX; RX */ ravb_write(ndev, ECMR_ZPF | ECMR_DM |