From patchwork Tue Nov 16 08:03:25 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kurt Kanzenbach X-Patchwork-Id: 12621743 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 52346C433EF for ; Tue, 16 Nov 2021 08:03:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 23A6C61A03 for ; Tue, 16 Nov 2021 08:03:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231620AbhKPIGo (ORCPT ); Tue, 16 Nov 2021 03:06:44 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35648 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231429AbhKPIGk (ORCPT ); Tue, 16 Nov 2021 03:06:40 -0500 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DD99EC061570; Tue, 16 Nov 2021 00:03:42 -0800 (PST) From: Kurt Kanzenbach DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1637049819; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=FteyQfbIgJx3ib+ogxM6J1I2KQpLjIzS+DlwgvLilnI=; b=3p0H7i3+4SOsv7kN1EOC12EXToXhOpfF+Lyz4QLstBDZeev8GgqXRNpkywXQ5C9HQbsAwg TfnF9JaTkzzle6Q+WJ6sG+CcM2EC5ipSwbt3w8+i+OIgWUe58Bce3E1o2k7wG5durpbhqn afKQ9EchPO533tSJxJOJr36tJa/oybMYQp5ywpx0Yb8yaTNGRf9wESQQtMWQPfduhw1m5a jhhEOqSjcNYYTagm78gFKma1RzNM7CCW+Q7cRtVQM8sHIwodkbgSwS5pmDyc/c16yyaQpE P53sjWSUvN7Cikm3l8SG4nv1c6jmU/0mGb8kH1pFq7W51NwfwZksHPSfSJou4Q== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1637049819; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=FteyQfbIgJx3ib+ogxM6J1I2KQpLjIzS+DlwgvLilnI=; b=WS/0Up9IHDqldGoUyVfy+OVZb8It2O0qBUR7Bni1dAwvdZM05aJZOrz+H1U5er4CfIgfNf xOiVttxtoIseCzCQ== To: Grygorii Strashko , "David S. Miller" , Jakub Kicinski Cc: Daniel Borkmann , =?utf-8?q?Toke_H=C3=B8iland-J?= =?utf-8?q?=C3=B8rgensen?= , Ilias Apalodimas , Lorenzo Bianconi , =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= , Sebastian Andrzej Siewior , Richard Cochran , linux-omap@vger.kernel.org, netdev@vger.kernel.org, Kurt Kanzenbach Subject: [PATCH net-next] net: ethernet: ti: cpsw: Enable PHY timestamping Date: Tue, 16 Nov 2021 09:03:25 +0100 Message-Id: <20211116080325.92830-1-kurt@linutronix.de> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org If the used PHYs also support hardware timestamping, all configuration requests should be forwared to the PHYs instead of being processed by the MAC driver itself. This enables PHY timestamping in combination with the cpsw driver. Tested with an am335x based board with two DP83640 PHYs connected to the cpsw switch. Signed-off-by: Kurt Kanzenbach Acked-by: Richard Cochran --- drivers/net/ethernet/ti/cpsw_priv.c | 22 ++++++++++++++-------- 1 file changed, 14 insertions(+), 8 deletions(-) diff --git a/drivers/net/ethernet/ti/cpsw_priv.c b/drivers/net/ethernet/ti/cpsw_priv.c index ecc2a6b7e28f..c99dd9735087 100644 --- a/drivers/net/ethernet/ti/cpsw_priv.c +++ b/drivers/net/ethernet/ti/cpsw_priv.c @@ -710,20 +710,26 @@ int cpsw_ndo_ioctl(struct net_device *dev, struct ifreq *req, int cmd) struct cpsw_priv *priv = netdev_priv(dev); struct cpsw_common *cpsw = priv->cpsw; int slave_no = cpsw_slave_index(cpsw, priv); + struct phy_device *phy; if (!netif_running(dev)) return -EINVAL; - switch (cmd) { - case SIOCSHWTSTAMP: - return cpsw_hwtstamp_set(dev, req); - case SIOCGHWTSTAMP: - return cpsw_hwtstamp_get(dev, req); + phy = cpsw->slaves[slave_no].phy; + + if (!phy_has_hwtstamp(phy)) { + switch (cmd) { + case SIOCSHWTSTAMP: + return cpsw_hwtstamp_set(dev, req); + case SIOCGHWTSTAMP: + return cpsw_hwtstamp_get(dev, req); + } } - if (!cpsw->slaves[slave_no].phy) - return -EOPNOTSUPP; - return phy_mii_ioctl(cpsw->slaves[slave_no].phy, req, cmd); + if (phy) + return phy_mii_ioctl(phy, req, cmd); + + return -EOPNOTSUPP; } int cpsw_ndo_set_tx_maxrate(struct net_device *ndev, int queue, u32 rate)