From patchwork Thu Jan 16 08:38:24 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shinas Rasheed X-Patchwork-Id: 13941455 X-Patchwork-Delegate: kuba@kernel.org Received: from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) (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 7580C1D5AD3; Thu, 16 Jan 2025 08:38:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=67.231.148.174 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737016730; cv=none; b=AJv5l4sclNx+LTYHGMEudM3HxrrNhsQHtEgkKODhCM3ItNGO15eAHSgi9MF7DdyS4uzjdOSRA88tIx5QUPDKti3IDrJld9qsq/+lPDjkeX/+WW16yRK5rS4hvf3wPp5rg4mmtBRBHjawk3p8xwBTwj2VHgZnKwqjK7KNV307YFY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737016730; c=relaxed/simple; bh=pqCzwoyqEMDqkLym0kUxccUJRh66EZdWwwfNglQrl8s=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=OhYf9BuxbrD+iQ4hTYKRPf84l4X0Le5reXD0ZKowtg55UI021y6aiLL7vjgamgEHtDp4cW2QYU/l8dmX5z7qNphnh0hUpmI+qKw6JKaKeSlSIjJqS1uHuq7bBHcHgDVnYoqCAf1CPiK7H85LIsDuo0f1sci1I96c5QcmRnkCQWw= 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=iEG6icbv; arc=none smtp.client-ip=67.231.148.174 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="iEG6icbv" Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 50G8SuFq010992; Thu, 16 Jan 2025 00:38:35 -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=u Rsqw4IAQBN+7FpyWeQeIMhZC/1bVaKEJPymkVCuOKc=; b=iEG6icbv6qdr5PQE6 FwEq+cYWPFJKERiNAA4kwbZeRbDWcpd/kdAT3WqbN7MvulE/IXNzbx8gL6yXVLs0 ki80JgPd/SDrP4Uca6k+4sV7ra9Alj2DJAK5kXAKsNxKRjmi8Fmuhew8XV86lRaQ TtXeUvywxwBwEzebJ250ClldyPbDbr81D6KnMxUIHYNzVC7IqW4n8IWzoIL6SLWJ fX14gDIdb8rvEphiSU8xLxlPF+ksf7j8it9H7ftBGsUoY2NaKOqXpgSxKyY2DlsB 2DftkFMLgb2RcMJ+DJ6tKBRNyOytydV7Uw2aFxmX1OWL8FXkz/eA6QDNCv1biP2O zGlzg== Received: from dc5-exch05.marvell.com ([199.233.59.128]) by mx0a-0016f401.pphosted.com (PPS) with ESMTPS id 446xmyg10m-3 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 16 Jan 2025 00:38:35 -0800 (PST) Received: from DC5-EXCH05.marvell.com (10.69.176.209) by DC5-EXCH05.marvell.com (10.69.176.209) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.4; Thu, 16 Jan 2025 00:38:34 -0800 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH05.marvell.com (10.69.176.209) with Microsoft SMTP Server id 15.2.1544.4 via Frontend Transport; Thu, 16 Jan 2025 00:38:34 -0800 Received: from ubuntu-PowerEdge-T110-II.sclab.marvell.com (unknown [10.106.27.86]) by maili.marvell.com (Postfix) with ESMTP id BA9F23F7048; Thu, 16 Jan 2025 00:38:33 -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 v8 3/4] octeon_ep_vf: remove firmware stats fetch in ndo_get_stats64 Date: Thu, 16 Jan 2025 00:38:24 -0800 Message-ID: <20250116083825.2581885-4-srasheed@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250116083825.2581885-1-srasheed@marvell.com> References: <20250116083825.2581885-1-srasheed@marvell.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-GUID: wRpsJx-ONwd9WToJ-AihDWSITKIGhwp1 X-Proofpoint-ORIG-GUID: wRpsJx-ONwd9WToJ-AihDWSITKIGhwp1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1057,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-01-16_03,2025-01-16_01,2024-11-22_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 --- V8: - Reordered patch V7: https://lore.kernel.org/all/20250114125124.2570660-5-srasheed@marvell.com/ - 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 7e6771c9cdbb..4c699514fd57 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 @@ -799,14 +799,6 @@ 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; - } } /**