From nobody Wed Dec 31 03:11:35 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CE557C197A0 for ; Fri, 17 Nov 2023 12:18:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345973AbjKQMSW (ORCPT ); Fri, 17 Nov 2023 07:18:22 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53300 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345959AbjKQMSR (ORCPT ); Fri, 17 Nov 2023 07:18:17 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 52AA3D5B for ; Fri, 17 Nov 2023 04:18:14 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BF32EC433C8; Fri, 17 Nov 2023 12:18:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1700223494; bh=WnhCZYkPXtS5MLDKBrXmXcdTGW8FI0vCOXfio8BzzM4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QRrg83rH3yeWbGrZDy9V4lmq8r0fXbVaEGB1TjNeUM+S0pxtDdaZVKwQEFNh1qg27 COmS9gClLsgB91XKmiW04iINeynxFxu5QSJESUIdI7jRTCREOJsX+M4nKShVcaFjlh Oa7ftJ369Y2sPV99Lo0ZT6C9njM4XY0wrbd/rINqnWvt400T1+edLfCcwHc5ZhfAe5 V6B9xbAik/RVxgQ4PfwGqVOSvZ1AJnzZwpmWtq0gImN1xB/fXqAo0Ezb2ylAXcxN9h k2ejnhc6iowZhljPQU0oLGu7q+9gY0yNVXgJdSEe5QpVCSSLZnDZ9FkhrzWoXEF4NY ICTaQkp1aQ9yQ== From: Roger Quadros To: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com Cc: vladimir.oltean@nxp.com, s-vadapalli@ti.com, r-gunasekaran@ti.com, vigneshr@ti.com, srk@ti.com, andrew@lunn.ch, u.kleine-koenig@pengutronix.de, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Roger Quadros Subject: [PATCH v2 net-next 3/4] net: ethernet: am65-cpsw: Set default TX channels to maximum Date: Fri, 17 Nov 2023 14:17:54 +0200 Message-Id: <20231117121755.104547-4-rogerq@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231117121755.104547-1-rogerq@kernel.org> References: <20231117121755.104547-1-rogerq@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" am65-cpsw supports 8 TX hardware queues. Set this as default. The rationale is that some am65-cpsw devices can have up to 4 ethernet ports. If the number of TX channels have to be changed then all interfaces have to be brought down and up as the old default of 1 TX channel is too restrictive for any mqprio/taprio usage. Another reason for this change is to allow testing using kselftest:net/forwarding:ethtool_mm.sh out of the box. Signed-off-by: Roger Quadros Reviewed-by: Andrew Lunn --- drivers/net/ethernet/ti/am65-cpsw-nuss.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/etherne= t/ti/am65-cpsw-nuss.c index adb29e8e8026..78b3e69fbccb 100644 --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c @@ -136,6 +136,8 @@ NETIF_MSG_IFUP | NETIF_MSG_PROBE | NETIF_MSG_IFDOWN | \ NETIF_MSG_RX_ERR | NETIF_MSG_TX_ERR) =20 +#define AM65_CPSW_DEFAULT_TX_CHNS 8 + static void am65_cpsw_port_set_sl_mac(struct am65_cpsw_port *slave, const u8 *dev_addr) { @@ -2894,7 +2896,7 @@ static int am65_cpsw_nuss_probe(struct platform_devic= e *pdev) =20 common->rx_flow_id_base =3D -1; init_completion(&common->tdown_complete); - common->tx_ch_num =3D 1; + common->tx_ch_num =3D AM65_CPSW_DEFAULT_TX_CHNS; common->pf_p0_rx_ptype_rrobin =3D false; common->default_vlan =3D 1; =20 --=20 2.34.1