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Message-Id: <20230530091948.1408477-6-vladimir.oltean@nxp.com> Date: Tue, 30 May 2023 12:19:48 +0300 From: Vladimir Oltean <vladimir.oltean@....com> To: netdev@...r.kernel.org Cc: "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Jamal Hadi Salim <jhs@...atatu.com>, Cong Wang <xiyou.wangcong@...il.com>, Jiri Pirko <jiri@...nulli.us>, Vinicius Costa Gomes <vinicius.gomes@...el.com>, Kurt Kanzenbach <kurt@...utronix.de>, Gerhard Engleder <gerhard@...leder-embedded.com>, Amritha Nambiar <amritha.nambiar@...el.com>, Ferenc Fejes <ferenc.fejes@...csson.com>, Xiaoliang Yang <xiaoliang.yang_1@....com>, Roger Quadros <rogerq@...nel.org>, Pranavi Somisetty <pranavi.somisetty@....com>, Harini Katakam <harini.katakam@....com>, Giuseppe Cavallaro <peppe.cavallaro@...com>, Alexandre Torgue <alexandre.torgue@...s.st.com>, Michael Sit Wei Hong <michael.wei.hong.sit@...el.com>, Mohammad Athari Bin Ismail <mohammad.athari.ismail@...el.com>, Oleksij Rempel <linux@...pel-privat.de>, Jacob Keller <jacob.e.keller@...el.com>, linux-kernel@...r.kernel.org, Andrew Lunn <andrew@...n.ch>, Florian Fainelli <f.fainelli@...il.com>, Claudiu Manoil <claudiu.manoil@....com>, Alexandre Belloni <alexandre.belloni@...tlin.com>, UNGLinuxDriver@...rochip.com, Jesse Brandeburg <jesse.brandeburg@...el.com>, Tony Nguyen <anthony.l.nguyen@...el.com>, Horatiu Vultur <horatiu.vultur@...rochip.com>, Jose Abreu <joabreu@...opsys.com>, Maxime Coquelin <mcoquelin.stm32@...il.com>, intel-wired-lan@...ts.osuosl.org, Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@...el.com> Subject: [PATCH net-next 5/5] net: enetc: report statistics counters for taprio Report the "win_drop" counter from the unstructured ethtool -S as TCA_TAPRIO_OFFLOAD_STATS_WINDOW_DROPS to the Qdisc layer. It is available both as a global counter as well as a per-TC one. Signed-off-by: Vladimir Oltean <vladimir.oltean@....com> --- .../net/ethernet/freescale/enetc/enetc_qos.c | 35 +++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/drivers/net/ethernet/freescale/enetc/enetc_qos.c b/drivers/net/ethernet/freescale/enetc/enetc_qos.c index 2b8fdfffd02d..71157eba1fbe 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_qos.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_qos.c @@ -147,6 +147,35 @@ static void enetc_taprio_destroy(struct net_device *ndev) enetc_reset_tc_mqprio(ndev); } +static void enetc_taprio_stats(struct net_device *ndev, + struct tc_taprio_qopt_stats *stats) +{ + struct enetc_ndev_priv *priv = netdev_priv(ndev); + u64 window_drops = 0; + int i; + + for (i = 0; i < priv->num_tx_rings; i++) + window_drops += priv->tx_ring[i]->stats.win_drop; + + stats->window_drops = window_drops; +} + +static void enetc_taprio_tc_stats(struct net_device *ndev, + struct tc_taprio_qopt_tc_stats *tc_stats) +{ + struct tc_taprio_qopt_stats *stats = &tc_stats->stats; + struct enetc_ndev_priv *priv = netdev_priv(ndev); + int tc = tc_stats->tc; + u64 window_drops = 0; + int i; + + for (i = 0; i < priv->num_tx_rings; i++) + if (priv->tx_ring[i]->prio == tc) + window_drops += priv->tx_ring[i]->stats.win_drop; + + stats->window_drops = window_drops; +} + static int enetc_taprio_replace(struct net_device *ndev, struct tc_taprio_qopt_offload *offload) { @@ -176,6 +205,12 @@ int enetc_setup_tc_taprio(struct net_device *ndev, void *type_data) case TAPRIO_CMD_DESTROY: enetc_taprio_destroy(ndev); break; + case TAPRIO_CMD_STATS: + enetc_taprio_stats(ndev, &offload->stats); + break; + case TAPRIO_CMD_TC_STATS: + enetc_taprio_tc_stats(ndev, &offload->tc_stats); + break; default: err = -EOPNOTSUPP; } -- 2.34.1
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