From patchwork Fri Apr 9 16:43:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Nguyen X-Patchwork-Id: 418656 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2969AC43462 for ; Fri, 9 Apr 2021 16:42:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 01B36610C7 for ; Fri, 9 Apr 2021 16:42:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234224AbhDIQmf (ORCPT ); Fri, 9 Apr 2021 12:42:35 -0400 Received: from mga01.intel.com ([192.55.52.88]:9785 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233577AbhDIQm1 (ORCPT ); Fri, 9 Apr 2021 12:42:27 -0400 IronPort-SDR: gIvuzNczIKRpq7iebleeAX6fRX4kkWwKZbodKQ459T/sT7pvJ3hGW5aOMOZrQANAZgxo6xr7vL +bddiY1wtF5Q== X-IronPort-AV: E=McAfee;i="6000,8403,9949"; a="214235097" X-IronPort-AV: E=Sophos;i="5.82,209,1613462400"; d="scan'208";a="214235097" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Apr 2021 09:42:13 -0700 IronPort-SDR: HSqG4MX/peV6fviaCZ9DYw2KfTMZSbBFYBT/tn+zCJmRONwkMR49sHPPHEBVtL22pYjuCCfN8B yeoPxH+eFB6A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,209,1613462400"; d="scan'208";a="531055070" Received: from anguy11-desk2.jf.intel.com ([10.166.244.147]) by orsmga004.jf.intel.com with ESMTP; 09 Apr 2021 09:42:12 -0700 From: Tony Nguyen To: davem@davemloft.net, kuba@kernel.org Cc: Andre Guedes , netdev@vger.kernel.org, sassmann@redhat.com, anthony.l.nguyen@intel.com, bjorn.topel@intel.com, magnus.karlsson@intel.com, maciej.fijalkowski@intel.com, sasha.neftin@intel.com, vitaly.lifshits@intel.com, Vedang Patel , Jithu Joseph , Dvora Fuxbrumer Subject: [PATCH net-next 5/9] igc: Introduce TX/RX stats helpers Date: Fri, 9 Apr 2021 09:43:47 -0700 Message-Id: <20210409164351.188953-6-anthony.l.nguyen@intel.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210409164351.188953-1-anthony.l.nguyen@intel.com> References: <20210409164351.188953-1-anthony.l.nguyen@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Andre Guedes In preparation for AF_XDP zero-copy support, encapsulate the code that updates the driver RX stats in its own local helper so it can be reused in the zero-copy path. Likewise, encapsulate TX stats code as well. Signed-off-by: Andre Guedes Signed-off-by: Vedang Patel Signed-off-by: Jithu Joseph Reviewed-by: Maciej Fijalkowski Tested-by: Dvora Fuxbrumer Signed-off-by: Tony Nguyen --- drivers/net/ethernet/intel/igc/igc_main.c | 43 ++++++++++++++++------- 1 file changed, 31 insertions(+), 12 deletions(-) diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index cd192517946b..cc157d83355b 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -2111,6 +2111,20 @@ static void igc_finalize_xdp(struct igc_adapter *adapter, int status) xdp_do_flush(); } +static void igc_update_rx_stats(struct igc_q_vector *q_vector, + unsigned int packets, unsigned int bytes) +{ + struct igc_ring *ring = q_vector->rx.ring; + + u64_stats_update_begin(&ring->rx_syncp); + ring->rx_stats.packets += packets; + ring->rx_stats.bytes += bytes; + u64_stats_update_end(&ring->rx_syncp); + + q_vector->rx.total_packets += packets; + q_vector->rx.total_bytes += bytes; +} + static int igc_clean_rx_irq(struct igc_q_vector *q_vector, const int budget) { unsigned int total_bytes = 0, total_packets = 0; @@ -2234,12 +2248,7 @@ static int igc_clean_rx_irq(struct igc_q_vector *q_vector, const int budget) /* place incomplete frames back on ring for completion */ rx_ring->skb = skb; - u64_stats_update_begin(&rx_ring->rx_syncp); - rx_ring->rx_stats.packets += total_packets; - rx_ring->rx_stats.bytes += total_bytes; - u64_stats_update_end(&rx_ring->rx_syncp); - q_vector->rx.total_packets += total_packets; - q_vector->rx.total_bytes += total_bytes; + igc_update_rx_stats(q_vector, total_packets, total_bytes); if (cleaned_count) igc_alloc_rx_buffers(rx_ring, cleaned_count); @@ -2247,6 +2256,20 @@ static int igc_clean_rx_irq(struct igc_q_vector *q_vector, const int budget) return total_packets; } +static void igc_update_tx_stats(struct igc_q_vector *q_vector, + unsigned int packets, unsigned int bytes) +{ + struct igc_ring *ring = q_vector->tx.ring; + + u64_stats_update_begin(&ring->tx_syncp); + ring->tx_stats.bytes += bytes; + ring->tx_stats.packets += packets; + u64_stats_update_end(&ring->tx_syncp); + + q_vector->tx.total_bytes += bytes; + q_vector->tx.total_packets += packets; +} + /** * igc_clean_tx_irq - Reclaim resources after transmit completes * @q_vector: pointer to q_vector containing needed info @@ -2349,12 +2372,8 @@ static bool igc_clean_tx_irq(struct igc_q_vector *q_vector, int napi_budget) i += tx_ring->count; tx_ring->next_to_clean = i; - u64_stats_update_begin(&tx_ring->tx_syncp); - tx_ring->tx_stats.bytes += total_bytes; - tx_ring->tx_stats.packets += total_packets; - u64_stats_update_end(&tx_ring->tx_syncp); - q_vector->tx.total_bytes += total_bytes; - q_vector->tx.total_packets += total_packets; + + igc_update_tx_stats(q_vector, total_packets, total_bytes); if (test_bit(IGC_RING_FLAG_TX_DETECT_HANG, &tx_ring->flags)) { struct igc_hw *hw = &adapter->hw;