From patchwork Tue Jan 14 12:51:24 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shinas Rasheed X-Patchwork-Id: 13938753 X-Patchwork-Delegate: kuba@kernel.org Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D8BF8234CEA; Tue, 14 Jan 2025 12:52:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=67.231.156.173 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736859126; cv=none; b=l5asylgwDalzUxOVCHxei3SJXuv1/wmzIomkL0rhPd5D8SV/vscO5jI/XsF6xX8HF7Odn/f9+Q/RmJxVaUhuR1n/zf+5TK3hVBJa2DV/xhfzBz6POQG6HOicjVxnSERGdFTWUaFj3cQtH5UDMliw6wic7YOmmko4zMCjdqYbXWI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736859126; c=relaxed/simple; bh=j4OYlDxrXJVbZbb0UrQ/rZ2Ehuup8WNr79z4erVvPTQ=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=MWhwaointkwl4CqL9fJTwDqtMfD9pcOh+XgY3BhzuhsbQHvq2XBfl6XPvayzLbYLIlDZSBe0azyhiVjq40yXhbM4YZmWufytP7d4kjMK2Mk9nl55se/trHBcqEOvXu19Wpt1BkaAWA0ydFDVRn6MOFIB1t51aABLzqtrWbLTntA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=marvell.com; spf=pass smtp.mailfrom=marvell.com; dkim=pass (2048-bit key) header.d=marvell.com header.i=@marvell.com header.b=WTJHuCBE; arc=none smtp.client-ip=67.231.156.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=marvell.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=marvell.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=marvell.com header.i=@marvell.com header.b="WTJHuCBE" Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 50EB1dHt017204; Tue, 14 Jan 2025 04:51:36 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=pfpt0220; bh=S vnCJJHjlJM2zvprU5NaCO7UgJQO4oCYGLKU1ncSsag=; b=WTJHuCBEiGbrcD3yR +RHfrN5UU546gk2rSt0eaYvVjIAzagot7PDvmMY9ncWeJF53yqSVr3D1irthqJIy lFLhmBA6YB5xygc8LPJ7hu7ouxiVse4FmDkXnT2P+6RydFKHPE7L1/iUvfc+YtH3 TwdtZgZFk098lLEoo7AHW+5SfMyHDk0uvCHXgZmpRyJKiZFLfkiFy9DYFuImT2qu Ch0radgA1bGmTIO86+pEFSxCv0kDrWiooDtCoyWOW0oWPaYhiXAdsRQAKfTKdnfE n2XXsBsUbVE0ZDAhIUpXyNxfn7kGhU0OKWNAz4Iec+tcqkzYJDz2HNe2h1fPGrPE J7Fwg== Received: from dc6wp-exch02.marvell.com ([4.21.29.225]) by mx0b-0016f401.pphosted.com (PPS) with ESMTPS id 445pphr5b0-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 14 Jan 2025 04:51:35 -0800 (PST) Received: from DC6WP-EXCH02.marvell.com (10.76.176.209) by DC6WP-EXCH02.marvell.com (10.76.176.209) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.4; Tue, 14 Jan 2025 04:51:35 -0800 Received: from maili.marvell.com (10.69.176.80) by DC6WP-EXCH02.marvell.com (10.76.176.209) with Microsoft SMTP Server id 15.2.1544.4 via Frontend Transport; Tue, 14 Jan 2025 04:51:35 -0800 Received: from ubuntu-PowerEdge-T110-II.sclab.marvell.com (unknown [10.106.27.86]) by maili.marvell.com (Postfix) with ESMTP id 8E7F23F7086; Tue, 14 Jan 2025 04:51:34 -0800 (PST) From: Shinas Rasheed To: , CC: , , , , , , , , , "Shinas Rasheed" , Veerasenareddy Burru , Satananda Burla , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Subject: [PATCH net v7 4/4] octeon_ep_vf: remove firmware stats fetch in ndo_get_stats64 Date: Tue, 14 Jan 2025 04:51:24 -0800 Message-ID: <20250114125124.2570660-5-srasheed@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250114125124.2570660-1-srasheed@marvell.com> References: <20250114125124.2570660-1-srasheed@marvell.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: UzObuA30_WdB826xQLMMj1imlRl4segX X-Proofpoint-GUID: UzObuA30_WdB826xQLMMj1imlRl4segX X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Patchwork-Delegate: kuba@kernel.org The per queue stats are available already and are retrieved from register reads during ndo_get_stats64. The firmware stats fetch call that happens in ndo_get_stats64() is currently not required The warn log is given below: [ 123.316837] ------------[ cut here ]------------ [ 123.316840] Voluntary context switch within RCU read-side critical section! [ 123.316917] pc : rcu_note_context_switch+0x2e4/0x300 [ 123.316919] lr : rcu_note_context_switch+0x2e4/0x300 [ 123.316947] Call trace: [ 123.316949] rcu_note_context_switch+0x2e4/0x300 [ 123.316952] __schedule+0x84/0x584 [ 123.316955] schedule+0x38/0x90 [ 123.316956] schedule_timeout+0xa0/0x1d4 [ 123.316959] octep_send_mbox_req+0x190/0x230 [octeon_ep] [ 123.316966] octep_ctrl_net_get_if_stats+0x78/0x100 [octeon_ep] [ 123.316970] octep_get_stats64+0xd4/0xf0 [octeon_ep] [ 123.316975] dev_get_stats+0x4c/0x114 [ 123.316977] dev_seq_printf_stats+0x3c/0x11c [ 123.316980] dev_seq_show+0x1c/0x40 [ 123.316982] seq_read_iter+0x3cc/0x4e0 [ 123.316985] seq_read+0xc8/0x110 [ 123.316987] proc_reg_read+0x9c/0xec [ 123.316990] vfs_read+0xc8/0x2ec [ 123.316993] ksys_read+0x70/0x100 [ 123.316995] __arm64_sys_read+0x20/0x30 [ 123.316997] invoke_syscall.constprop.0+0x7c/0xd0 [ 123.317000] do_el0_svc+0xb4/0xd0 [ 123.317002] el0_svc+0xe8/0x1f4 [ 123.317005] el0t_64_sync_handler+0x134/0x150 [ 123.317006] el0t_64_sync+0x17c/0x180 [ 123.317008] ---[ end trace 63399811432ab69b ]--- Fixes: c3fad23cdc06 ("octeon_ep_vf: add support for ndo ops") Signed-off-by: Shinas Rasheed --- V7: - No changes V6: https://lore.kernel.org/all/20250110122730.2551863-5-srasheed@marvell.com/ - No changes V5: https://lore.kernel.org/all/20250109103221.2544467-5-srasheed@marvell.com/ - No changes V4: https://lore.kernel.org/all/20250102112246.2494230-5-srasheed@marvell.com/ - No changes V3: https://lore.kernel.org/all/20241218115111.2407958-5-srasheed@marvell.com/ - Added warn log that happened due to rcu_read_lock in commit message V2: https://lore.kernel.org/all/20241216075842.2394606-5-srasheed@marvell.com/ - No changes V1: https://lore.kernel.org/all/20241203072130.2316913-5-srasheed@marvell.com/ drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.c b/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.c index fa707b527a4f..e7cb73de3116 100644 --- a/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.c +++ b/drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_main.c @@ -796,14 +796,6 @@ static void octep_vf_get_stats64(struct net_device *netdev, stats->tx_bytes = tx_bytes; stats->rx_packets = rx_packets; stats->rx_bytes = rx_bytes; - if (!octep_vf_get_if_stats(oct)) { - stats->multicast = oct->iface_rx_stats.mcast_pkts; - stats->rx_errors = oct->iface_rx_stats.err_pkts; - stats->rx_dropped = oct->iface_rx_stats.dropped_pkts_fifo_full + - oct->iface_rx_stats.err_pkts; - stats->rx_missed_errors = oct->iface_rx_stats.dropped_pkts_fifo_full; - stats->tx_dropped = oct->iface_tx_stats.dropped; - } } /**