From patchwork Tue Nov 23 16:39:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Lobakin X-Patchwork-Id: 12634751 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2F1ACC43219 for ; Tue, 23 Nov 2021 16:42:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238939AbhKWQpV (ORCPT ); Tue, 23 Nov 2021 11:45:21 -0500 Received: from mga04.intel.com ([192.55.52.120]:49123 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236152AbhKWQpE (ORCPT ); Tue, 23 Nov 2021 11:45:04 -0500 X-IronPort-AV: E=McAfee;i="6200,9189,10176"; a="233778651" X-IronPort-AV: E=Sophos;i="5.87,258,1631602800"; d="scan'208";a="233778651" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Nov 2021 08:41:42 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,258,1631602800"; d="scan'208";a="553484662" Received: from irvmail001.ir.intel.com ([10.43.11.63]) by fmsmga008.fm.intel.com with ESMTP; 23 Nov 2021 08:41:33 -0800 Received: from newjersey.igk.intel.com (newjersey.igk.intel.com [10.102.20.203]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id 1ANGf4Wn016784; Tue, 23 Nov 2021 16:41:31 GMT From: Alexander Lobakin To: "David S. Miller" , Jakub Kicinski Cc: Alexander Lobakin , Jesse Brandeburg , Michal Swiatkowski , Maciej Fijalkowski , Jonathan Corbet , Shay Agroskin , Arthur Kiyanovski , David Arinzon , Noam Dagan , Saeed Bishara , Ioana Ciornei , Claudiu Manoil , Tony Nguyen , Thomas Petazzoni , Marcin Wojtas , Russell King , Saeed Mahameed , Leon Romanovsky , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , =?utf-8?q?Toke_H=C3=B8iland-J?= =?utf-8?q?=C3=B8rgensen?= , John Fastabend , Edward Cree , Martin Habets , "Michael S. Tsirkin" , Jason Wang , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , KP Singh , Lorenzo Bianconi , Yajun Deng , Sergey Ryazanov , David Ahern , Andrei Vagin , Johannes Berg , Vladimir Oltean , Cong Wang , netdev@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, bpf@vger.kernel.org, virtualization@lists.linux-foundation.org Subject: [PATCH v2 net-next 11/26] sf100, sfx: implement generic XDP stats callbacks Date: Tue, 23 Nov 2021 17:39:40 +0100 Message-Id: <20211123163955.154512-12-alexandr.lobakin@intel.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211123163955.154512-1-alexandr.lobakin@intel.com> References: <20211123163955.154512-1-alexandr.lobakin@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Export 4 per-channel XDP counters for both sf100 and sfx drivers using generic XDP stats infra. Signed-off-by: Alexander Lobakin Reviewed-by: Jesse Brandeburg --- drivers/net/ethernet/sfc/ef100_netdev.c | 2 ++ drivers/net/ethernet/sfc/efx.c | 2 ++ drivers/net/ethernet/sfc/efx_common.c | 42 +++++++++++++++++++++++++ drivers/net/ethernet/sfc/efx_common.h | 3 ++ 4 files changed, 49 insertions(+) -- 2.33.1 diff --git a/drivers/net/ethernet/sfc/ef100_netdev.c b/drivers/net/ethernet/sfc/ef100_netdev.c index 67fe44db6b61..0367f7e043d8 100644 --- a/drivers/net/ethernet/sfc/ef100_netdev.c +++ b/drivers/net/ethernet/sfc/ef100_netdev.c @@ -219,6 +219,8 @@ static const struct net_device_ops ef100_netdev_ops = { .ndo_start_xmit = ef100_hard_start_xmit, .ndo_tx_timeout = efx_watchdog, .ndo_get_stats64 = efx_net_stats, + .ndo_get_xdp_stats_nch = efx_get_xdp_stats_nch, + .ndo_get_xdp_stats = efx_get_xdp_stats, .ndo_change_mtu = efx_change_mtu, .ndo_validate_addr = eth_validate_addr, .ndo_set_mac_address = efx_set_mac_address, diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index a8c252e2b252..a6a015c4d3b4 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -588,6 +588,8 @@ static const struct net_device_ops efx_netdev_ops = { .ndo_open = efx_net_open, .ndo_stop = efx_net_stop, .ndo_get_stats64 = efx_net_stats, + .ndo_get_xdp_stats_nch = efx_get_xdp_stats_nch, + .ndo_get_xdp_stats = efx_get_xdp_stats, .ndo_tx_timeout = efx_watchdog, .ndo_start_xmit = efx_hard_start_xmit, .ndo_validate_addr = eth_validate_addr, diff --git a/drivers/net/ethernet/sfc/efx_common.c b/drivers/net/ethernet/sfc/efx_common.c index f187631b2c5c..c2bf79fd66b4 100644 --- a/drivers/net/ethernet/sfc/efx_common.c +++ b/drivers/net/ethernet/sfc/efx_common.c @@ -606,6 +606,48 @@ void efx_net_stats(struct net_device *net_dev, struct rtnl_link_stats64 *stats) spin_unlock_bh(&efx->stats_lock); } +int efx_get_xdp_stats_nch(const struct net_device *net_dev, u32 attr_id) +{ + const struct efx_nic *efx = netdev_priv(net_dev); + + switch (attr_id) { + case IFLA_XDP_XSTATS_TYPE_XDP: + return efx->n_channels; + default: + return -EOPNOTSUPP; + } +} + +int efx_get_xdp_stats(const struct net_device *net_dev, u32 attr_id, + void *attr_data) +{ + struct ifla_xdp_stats *xdp_stats = attr_data; + struct efx_nic *efx = netdev_priv(net_dev); + const struct efx_channel *channel; + + switch (attr_id) { + case IFLA_XDP_XSTATS_TYPE_XDP: + break; + default: + return -EOPNOTSUPP; + } + + spin_lock_bh(&efx->stats_lock); + + efx_for_each_channel(channel, efx) { + xdp_stats->drop = channel->n_rx_xdp_drops; + xdp_stats->errors = channel->n_rx_xdp_bad_drops; + xdp_stats->redirect = channel->n_rx_xdp_redirect; + xdp_stats->tx = channel->n_rx_xdp_tx; + + xdp_stats++; + } + + spin_unlock_bh(&efx->stats_lock); + + return 0; +} + /* Push loopback/power/transmit disable settings to the PHY, and reconfigure * the MAC appropriately. All other PHY configuration changes are pushed * through phy_op->set_settings(), and pushed asynchronously to the MAC diff --git a/drivers/net/ethernet/sfc/efx_common.h b/drivers/net/ethernet/sfc/efx_common.h index 65513fd0cf6c..987d7c6608a2 100644 --- a/drivers/net/ethernet/sfc/efx_common.h +++ b/drivers/net/ethernet/sfc/efx_common.h @@ -32,6 +32,9 @@ void efx_start_all(struct efx_nic *efx); void efx_stop_all(struct efx_nic *efx); void efx_net_stats(struct net_device *net_dev, struct rtnl_link_stats64 *stats); +int efx_get_xdp_stats_nch(const struct net_device *net_dev, u32 attr_id); +int efx_get_xdp_stats(const struct net_device *net_dev, u32 attr_id, + void *attr_data); int efx_create_reset_workqueue(void); void efx_queue_reset_work(struct efx_nic *efx);