From patchwork Tue Sep 15 00:11:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jakub Kicinski X-Patchwork-Id: 1364007 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=default header.b=JEQq2e6Y; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4Br3bn05Mdz9sVB for ; Tue, 15 Sep 2020 10:13:25 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726087AbgIOANV (ORCPT ); Mon, 14 Sep 2020 20:13:21 -0400 Received: from mail.kernel.org ([198.145.29.99]:58364 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726050AbgIOANM (ORCPT ); Mon, 14 Sep 2020 20:13:12 -0400 Received: from kicinski-fedora-PC1C0HJN.thefacebook.com (unknown [163.114.132.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8482D21D7D; Tue, 15 Sep 2020 00:13:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600128792; bh=BYQwbjuFVRO0PubcoRNcUdDUGr0SM7/oLoXzSD/1g24=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JEQq2e6Yyokab7XozAfXbsYjn4jJi4nz4h74qZlVh+e85UEOqMLrPabGyNgiUfmQ5 3M7kXBlEohA16HXO8tCiIUHNGxMm+AvDbvhhOPJ6S0ecMq2vQs4XkMEWms1UnO+63X mowiWJUoqutjhvJ1kEHaUXv4olIJiIsqfAFGSd1k= From: Jakub Kicinski To: davem@davemloft.net Cc: mkubecek@suse.cz, michael.chan@broadcom.com, saeedm@nvidia.com, tariqt@nvidia.com, andrew@lunn.ch, alexander.duyck@gmail.com, netdev@vger.kernel.org, Jakub Kicinski , Alexander Duyck Subject: [PATCH net-next v3 6/8] ixgbe: add pause frame stats Date: Mon, 14 Sep 2020 17:11:57 -0700 Message-Id: <20200915001159.346469-7-kuba@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200915001159.346469-1-kuba@kernel.org> References: <20200915001159.346469-1-kuba@kernel.org> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Report standard pause frame stats. They are already aggregated in struct ixgbe_hw_stats. The combination of the registers is suggested as equivalent to PAUSEMACCtrlFramesTransmitted / PAUSEMACCtrlFramesReceived by the Intel 82576EB datasheet, I could not find any information in the HW actually supported by ixgbe. Signed-off-by: Jakub Kicinski Reviewed-by: Alexander Duyck Reviewed-by: Saeed Mahameed --- drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c index 71ec908266a6..a280aa34ca1d 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c @@ -531,6 +531,16 @@ static int ixgbe_set_link_ksettings(struct net_device *netdev, return err; } +static void ixgbe_get_pause_stats(struct net_device *netdev, + struct ethtool_pause_stats *stats) +{ + struct ixgbe_adapter *adapter = netdev_priv(netdev); + struct ixgbe_hw_stats *hwstats = &adapter->stats; + + stats->tx_pause_frames = hwstats->lxontxc + hwstats->lxofftxc; + stats->rx_pause_frames = hwstats->lxonrxc + hwstats->lxoffrxc; +} + static void ixgbe_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) { @@ -3546,6 +3556,7 @@ static const struct ethtool_ops ixgbe_ethtool_ops = { .set_eeprom = ixgbe_set_eeprom, .get_ringparam = ixgbe_get_ringparam, .set_ringparam = ixgbe_set_ringparam, + .get_pause_stats = ixgbe_get_pause_stats, .get_pauseparam = ixgbe_get_pauseparam, .set_pauseparam = ixgbe_set_pauseparam, .get_msglevel = ixgbe_get_msglevel,