From patchwork Thu Jan 9 10:32:20 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shinas Rasheed X-Patchwork-Id: 13932340 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 6587721639E; Thu, 9 Jan 2025 10:32:45 +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=1736418766; cv=none; b=nGXIGnyYpb5SPn3Jgv/s5oFr9Whbs0/Q5TDUj9fV9ZmFJkhRdQKRKFoXJA25grFpsqo+/kWBxr+fhFh6HUW5KtUs4J/3Ow2+MTWGCqni25hLpTUr/VSM3JEM3DO9kLWtn6lCxLBTa++Z6SauGxCrr6gwX1GsiYPi0FYWW8PbDpA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736418766; c=relaxed/simple; bh=9kEiRhufMawhmw2WEG2IAhL8TNYhsZxEg+qJQFIhvGM=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=bRbFkkmmxK/xZl0CYQ/X7XxHum+CysswGbo3sqNE1krwqTNGkHAQ80tNVSmyb8W2UbYd4PA+Q9JhKvJkOK8pK3dTlMv8aezvnOj+gy173AUTi1ZqZuwed9yKIwvAX8IUQU2kXBy4C64vYJ2X5RvE7WTdM902P+7XCYfqgyRLf4E= 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=kzp0z22s; 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="kzp0z22s" 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 5099M6v0031636; Thu, 9 Jan 2025 02:32:33 -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=6 1jEkPJ0VjWqeP+xb6uVbZY6Z3Goj4vOo+bovs9Ddag=; b=kzp0z22sSDl1AUyqw 8NoTC6fYlOYBsB6Q3byWHlxVSj7hLYz5Q6G1Q3XODnKnb8dWsaeNfGENBYn0MS75 PUtUgzK9kH43eHu4D6k4Gn+yu6VNTHT/SF3QcXsBLYZY7zxG0BGW2O40ae+ISZsr JrP2zWvo+2o3HRmXcoCX0RBAbrN0tVrMEenHguG5D/dnFeMrVQoYzjWUT/AmmXnh jdmuwQHHAiY/lYAIgShTPgzj5GjHXF0biaCMOC0W3c2oIHsmFjwhS5dhSv9YYVmK 3w3iFkfKxeiT8g2ncgdruwEVxAgArmc5BIUtZvfhOS9b0rxiPrhE9Gml3/t009wK Gzocw== Received: from dc5-exch05.marvell.com ([199.233.59.128]) by mx0a-0016f401.pphosted.com (PPS) with ESMTPS id 442brv04qx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 09 Jan 2025 02:32:33 -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, 9 Jan 2025 02:32:32 -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, 9 Jan 2025 02:32:32 -0800 Received: from ubuntu-PowerEdge-T110-II.sclab.marvell.com (unknown [10.106.27.86]) by maili.marvell.com (Postfix) with ESMTP id F1B1C3F7072; Thu, 9 Jan 2025 02:32:31 -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 v5 4/4] octeon_ep_vf: remove firmware stats fetch in ndo_get_stats64 Date: Thu, 9 Jan 2025 02:32:20 -0800 Message-ID: <20250109103221.2544467-5-srasheed@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250109103221.2544467-1-srasheed@marvell.com> References: <20250109103221.2544467-1-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: f8ln05KgiX_CZ_xaDpwP7wI1noXqgGma X-Proofpoint-GUID: f8ln05KgiX_CZ_xaDpwP7wI1noXqgGma 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 --- V5: - 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 d58b3033364e..d9d146ab1d27 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 @@ -795,14 +795,6 @@ static void octep_vf_get_stats64(struct net_device *netdev, stats->tx_bytes = oct->iface_tx_stats.octs; stats->rx_packets = oct->iface_rx_stats.pkts; stats->rx_bytes = oct->iface_rx_stats.octets; - 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; - } } /**