From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2BA32C43381 for ; Mon, 15 Mar 2021 22:16:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EE2B064F4D for ; Mon, 15 Mar 2021 22:16:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232670AbhCOWPe (ORCPT ); Mon, 15 Mar 2021 18:15:34 -0400 Received: from mga11.intel.com ([192.55.52.93]:14823 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231727AbhCOWPJ (ORCPT ); Mon, 15 Mar 2021 18:15:09 -0400 IronPort-SDR: an3c+4C4BCPbetwOjBwmA9F1u90msL+dND757/9Fl8l2V+b5ZJ6z8xAnSKgE0QGPCUPJqBK6NT M0TlVZs+4Qkg== X-IronPort-AV: E=McAfee;i="6000,8403,9924"; a="185802467" X-IronPort-AV: E=Sophos;i="5.81,251,1610438400"; d="scan'208";a="185802467" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Mar 2021 15:15:09 -0700 IronPort-SDR: 4EIjiw5db6QKY0/0KjwBtB7uBroAbWiaMMjgVoqoV79jnzBdKNrpfyV8J2aCKDAClmpg3nHdpv AveR4M8ean7g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.81,251,1610438400"; d="scan'208";a="410807105" Received: from mismail5-ilbpg0.png.intel.com ([10.88.229.82]) by orsmga007.jf.intel.com with ESMTP; 15 Mar 2021 15:15:05 -0700 From: mohammad.athari.ismail@intel.com To: Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , "David S . Miller" , Jakub Kicinski , Maxime Coquelin Cc: Ong Boon Leong , Voon Weifeng , vee.khee.wong@intel.com, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, mohammad.athari.ismail@intel.com Subject: [PATCH net-next 2/2] net: stmmac: Add EST errors into ethtool statistic Date: Tue, 16 Mar 2021 06:14:09 +0800 Message-Id: <20210315221409.3867-3-mohammad.athari.ismail@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210315221409.3867-1-mohammad.athari.ismail@intel.com> References: <20210315221409.3867-1-mohammad.athari.ismail@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ong Boon Leong Below EST errors are added into ethtool statistic: 1) Constant Gate Control Error (CGCE): The counter "mtl_est_cgce" increases everytime CGCE interrupt is triggered. 2) Head-of-Line Blocking due to Scheduling (HLBS): The counter "mtl_est_hlbs" increases everytime HLBS interrupt is triggered. 3) Head-of-Line Blocking due to Frame Size (HLBF): The counter "mtl_est_hlbf" increases everytime HLBF interrupt is triggered. 4) Base Time Register error (BTRE): The counter "mtl_est_btre" increases everytime BTRE interrupt is triggered but BTRL not reaches maximum value of 15. 5) Base Time Register Error Loop Count (BTRL) reaches maximum value: The counter "mtl_est_btrlm" increases everytime BTRE interrupt is triggered and BTRL value reaches maximum value of 15. Please refer to MTL_EST_STATUS register in DesignWare Cores Ethernet Quality-of-Service Databook for more detail explanation. Signed-off-by: Ong Boon Leong Signed-off-by: Voon Weifeng Co-developed-by: Mohammad Athari Bin Ismail Signed-off-by: Mohammad Athari Bin Ismail --- drivers/net/ethernet/stmicro/stmmac/common.h | 6 ++++++ drivers/net/ethernet/stmicro/stmmac/dwmac5.c | 13 ++++++++++++- drivers/net/ethernet/stmicro/stmmac/dwmac5.h | 2 +- drivers/net/ethernet/stmicro/stmmac/hwif.h | 2 +- .../net/ethernet/stmicro/stmmac/stmmac_ethtool.c | 6 ++++++ drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 3 ++- 6 files changed, 28 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h index 6f271c46368d..1c0c60bdf854 100644 --- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h @@ -182,6 +182,12 @@ struct stmmac_extra_stats { /* TSO */ unsigned long tx_tso_frames; unsigned long tx_tso_nfrags; + /* EST */ + unsigned long mtl_est_cgce; + unsigned long mtl_est_hlbs; + unsigned long mtl_est_hlbf; + unsigned long mtl_est_btre; + unsigned long mtl_est_btrlm; }; /* Safety Feature statistics exposed by ethtool */ diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac5.c b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c index b47190fc8d83..b5ff47299b29 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac5.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c @@ -608,7 +608,7 @@ int dwmac5_est_configure(void __iomem *ioaddr, struct stmmac_est *cfg, } int dwmac5_est_irq_status(void __iomem *ioaddr, struct net_device *dev, - u32 txqcnt) + struct stmmac_extra_stats *x, u32 txqcnt) { u32 status, value, feqn, hbfq, hbfs, btrl; u32 txqcnt_mask = (1 << txqcnt) - 1; @@ -624,12 +624,16 @@ int dwmac5_est_irq_status(void __iomem *ioaddr, struct net_device *dev, if (status & CGCE) { /* Clear Interrupt */ writel(CGCE, ioaddr + MTL_EST_STATUS); + + x->mtl_est_cgce++; } if (status & HLBS) { value = readl(ioaddr + MTL_EST_SCH_ERR); value &= txqcnt_mask; + x->mtl_est_hlbs++; + /* Clear Interrupt */ writel(value, ioaddr + MTL_EST_SCH_ERR); @@ -649,6 +653,8 @@ int dwmac5_est_irq_status(void __iomem *ioaddr, struct net_device *dev, hbfq = (value & SZ_CAP_HBFQ_MASK(txqcnt)) >> SZ_CAP_HBFQ_SHIFT; hbfs = value & SZ_CAP_HBFS_MASK; + x->mtl_est_hlbf++; + /* Clear Interrupt */ writel(feqn, ioaddr + MTL_EST_FRM_SZ_ERR); @@ -658,6 +664,11 @@ int dwmac5_est_irq_status(void __iomem *ioaddr, struct net_device *dev, } if (status & BTRE) { + if ((status & BTRL) == BTRL_MAX) + x->mtl_est_btrlm++; + else + x->mtl_est_btre++; + btrl = (status & BTRL) >> BTRL_SHIFT; if (net_ratelimit()) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac5.h b/drivers/net/ethernet/stmicro/stmmac/dwmac5.h index 51d9ed24622f..dcd679597676 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac5.h +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac5.h @@ -142,7 +142,7 @@ int dwmac5_flex_pps_config(void __iomem *ioaddr, int index, int dwmac5_est_configure(void __iomem *ioaddr, struct stmmac_est *cfg, unsigned int ptp_rate); int dwmac5_est_irq_status(void __iomem *ioaddr, struct net_device *dev, - u32 txqcnt); + struct stmmac_extra_stats *x, u32 txqcnt); void dwmac5_fpe_configure(void __iomem *ioaddr, u32 num_txq, u32 num_rxq, bool enable); diff --git a/drivers/net/ethernet/stmicro/stmmac/hwif.h b/drivers/net/ethernet/stmicro/stmmac/hwif.h index 78a677a86914..e49d934ea435 100644 --- a/drivers/net/ethernet/stmicro/stmmac/hwif.h +++ b/drivers/net/ethernet/stmicro/stmmac/hwif.h @@ -394,7 +394,7 @@ struct stmmac_ops { int (*est_configure)(void __iomem *ioaddr, struct stmmac_est *cfg, unsigned int ptp_rate); int (*est_irq_status)(void __iomem *ioaddr, struct net_device *dev, - u32 txqcnt); + struct stmmac_extra_stats *x, u32 txqcnt); void (*fpe_configure)(void __iomem *ioaddr, u32 num_txq, u32 num_rxq, bool enable); }; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c index c5642985ef95..00595b7552bc 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c @@ -158,6 +158,12 @@ static const struct stmmac_stats stmmac_gstrings_stats[] = { /* TSO */ STMMAC_STAT(tx_tso_frames), STMMAC_STAT(tx_tso_nfrags), + /* EST */ + STMMAC_STAT(mtl_est_cgce), + STMMAC_STAT(mtl_est_hlbs), + STMMAC_STAT(mtl_est_hlbf), + STMMAC_STAT(mtl_est_btre), + STMMAC_STAT(mtl_est_btrlm), }; #define STMMAC_STATS_LEN ARRAY_SIZE(stmmac_gstrings_stats) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 24b9212c7566..502eaff0828b 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -4242,7 +4242,8 @@ static irqreturn_t stmmac_interrupt(int irq, void *dev_id) return IRQ_HANDLED; if (priv->dma_cap.estsel) - stmmac_est_irq_status(priv, priv->ioaddr, priv->dev, tx_cnt); + stmmac_est_irq_status(priv, priv->ioaddr, priv->dev, + &priv->xstats, tx_cnt); /* To handle GMAC own interrupts */ if ((priv->plat->has_gmac) || xmac) { -- 2.17.1