From patchwork Tue Oct 13 23:39:09 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacob Keller X-Patchwork-Id: 529967 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by ozlabs.org (Postfix) with ESMTP id 1604B140F99 for ; Wed, 14 Oct 2015 10:39:36 +1100 (AEDT) Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id 65B1688F48; Tue, 13 Oct 2015 23:39:35 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 82Ap+SCidr18; Tue, 13 Oct 2015 23:39:31 +0000 (UTC) Received: from ash.osuosl.org (ash.osuosl.org [140.211.166.34]) by whitealder.osuosl.org (Postfix) with ESMTP id B365988C94; Tue, 13 Oct 2015 23:39:28 +0000 (UTC) X-Original-To: intel-wired-lan@lists.osuosl.org Delivered-To: intel-wired-lan@lists.osuosl.org Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by ash.osuosl.org (Postfix) with ESMTP id 698311C44BF for ; Tue, 13 Oct 2015 23:39:21 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id 2E84A32A41 for ; Tue, 13 Oct 2015 23:39:21 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id X+yUflBr74i9 for ; Tue, 13 Oct 2015 23:39:19 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by silver.osuosl.org (Postfix) with ESMTP id 91A1A32972 for ; Tue, 13 Oct 2015 23:39:19 +0000 (UTC) Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga103.fm.intel.com with ESMTP; 13 Oct 2015 16:39:19 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,680,1437462000"; d="scan'208";a="810356194" Received: from jekeller-desk.amr.corp.intel.com ([134.134.3.123]) by fmsmga001.fm.intel.com with ESMTP; 13 Oct 2015 16:39:19 -0700 From: Jacob Keller To: Intel Wired LAN Date: Tue, 13 Oct 2015 16:39:09 -0700 Message-Id: <1444779554-20464-12-git-send-email-jacob.e.keller@intel.com> X-Mailer: git-send-email 2.6.1.264.gbab76a9 In-Reply-To: <1444779554-20464-1-git-send-email-jacob.e.keller@intel.com> References: <1444779554-20464-1-git-send-email-jacob.e.keller@intel.com> Subject: [Intel-wired-lan] [next-queue 12/17] fm10k: introduce ITR_IS_ADAPTIVE macro X-BeenThere: intel-wired-lan@lists.osuosl.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-wired-lan-bounces@lists.osuosl.org Sender: "Intel-wired-lan" Define a macro for identifying when the itr value is dynamic or adaptive. The concept was taken from i40e. This helps make clear what the check is, and reduces the line length to something more reasonable in a few places. Signed-off-by: Jacob Keller --- drivers/net/ethernet/intel/fm10k/fm10k.h | 2 ++ drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c | 6 ++---- drivers/net/ethernet/intel/fm10k/fm10k_main.c | 2 +- 3 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/intel/fm10k/fm10k.h b/drivers/net/ethernet/intel/fm10k/fm10k.h index 4d4cd006fec1..c40f50737d17 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k.h +++ b/drivers/net/ethernet/intel/fm10k/fm10k.h @@ -172,6 +172,8 @@ struct fm10k_ring_container { #define FM10K_ITR_20K 50 /* 50us */ #define FM10K_ITR_ADAPTIVE 0x8000 /* adaptive interrupt moderation flag */ +#define ITR_IS_ADAPTIVE(itr) (!!(itr & FM10K_ITR_ADAPTIVE)) + #define FM10K_ITR_ENABLE (FM10K_ITR_AUTOMASK | FM10K_ITR_MASK_CLEAR) static inline struct netdev_queue *txring_txq(const struct fm10k_ring *ring) diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c b/drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c index b903c4646cf8..2395877f0544 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c @@ -705,12 +705,10 @@ static int fm10k_get_coalesce(struct net_device *dev, { struct fm10k_intfc *interface = netdev_priv(dev); - ec->use_adaptive_tx_coalesce = - !!(interface->tx_itr & FM10K_ITR_ADAPTIVE); + ec->use_adaptive_tx_coalesce = ITR_IS_ADAPTIVE(interface->tx_itr); ec->tx_coalesce_usecs = interface->tx_itr & ~FM10K_ITR_ADAPTIVE; - ec->use_adaptive_rx_coalesce = - !!(interface->rx_itr & FM10K_ITR_ADAPTIVE); + ec->use_adaptive_rx_coalesce = ITR_IS_ADAPTIVE(interface->rx_itr); ec->rx_coalesce_usecs = interface->rx_itr & ~FM10K_ITR_ADAPTIVE; return 0; diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_main.c b/drivers/net/ethernet/intel/fm10k/fm10k_main.c index 5dfcba72825d..babde3e4b2bb 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_main.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_main.c @@ -1370,7 +1370,7 @@ static void fm10k_update_itr(struct fm10k_ring_container *ring_container) unsigned int avg_wire_size, packets; /* Only update ITR if we are using adaptive setting */ - if (!(ring_container->itr & FM10K_ITR_ADAPTIVE)) + if (!ITR_IS_ADAPTIVE(ring_container->itr)) goto clear_counts; packets = ring_container->total_packets;