From patchwork Mon Aug 31 23:35:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shannon Nelson X-Patchwork-Id: 1354655 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=none (p=none dis=none) header.from=pensando.io Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=pensando.io header.i=@pensando.io header.a=rsa-sha256 header.s=google header.b=GFNTQ5nW; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BgRRQ5WbHz9sTS for ; Tue, 1 Sep 2020 09:36:18 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726301AbgHaXgR (ORCPT ); Mon, 31 Aug 2020 19:36:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47754 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726224AbgHaXgL (ORCPT ); Mon, 31 Aug 2020 19:36:11 -0400 Received: from mail-pj1-x1042.google.com (mail-pj1-x1042.google.com [IPv6:2607:f8b0:4864:20::1042]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 662A1C061573 for ; Mon, 31 Aug 2020 16:36:11 -0700 (PDT) Received: by mail-pj1-x1042.google.com with SMTP id mm21so745104pjb.4 for ; Mon, 31 Aug 2020 16:36:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pensando.io; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=KgXZdM7W7kfk4TYvsCyI2TxUr5gp7VRTxKkVQMYG7rg=; b=GFNTQ5nWCeAnNRo7TklxIznWBbdTCe6+m1s/zI35dbu/5EoCREoX6qKZU4zbdrAhU4 2FMCosRopYDqjZHVGLTAxXdEGkzYfb76tzw8y2SyuOh9OApzc6EAauoqc30mrYV6Yx0+ bRDY7KV+THYIOptmUKbJp2Xtlz/LGQj15yD4qujH46Pw1QLA7ZNOe7Q4vUwlyqzWvmsw w9UsXX84DMlcwJaC+hfNVJMpJ1c53j5S6OSQT3NoklIbAO9jaeCYUptpMmsNWu2IAE3A S7tEr+crBg9R2bwBnULidzzC4/2sxN2vx3kf7cw3/9wrmXfA1rwwuinJiKnsVrS9h7NN 40FA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=KgXZdM7W7kfk4TYvsCyI2TxUr5gp7VRTxKkVQMYG7rg=; b=qhMU6v/aEgsw8KZJj2XUaNKJTFI5nWF03MW92Ztx6Dtf2nix/nXIKZcPFoP4av3bMi SfIbH9H04KpwR2yTVsfJF6SfK1MRUX8pHw7IE1+ho4+FBSy3vdf0MoZG7oj7DCaib2Uo H/uAJ9buvNCsa/oQ9x+ZoWvJwnbu8Nl4/5IzayAUUsk4/tmJZcOIdjHkuxX2xGbfAls7 1tSrjUeSgftrNK+aae6fWqxVbPyb0hbQOOzh0/yX7fAYBsdRYocBPPoiAzR9K5bPgfMf 2/F7MZL9H+DwOL5spAyuw6vdaNgEQ3A7vaJe5KLI+8w8TmFyrNx1Dv3mR0l1EqqPRh7i QeAw== X-Gm-Message-State: AOAM531lEeYrg9wOLAoQ6zi1o+uSphrQN9azujfs5UlLh5tvdCFRjlPE 7Lso3pwRLx+W0wWIL/zGLcDgYrhjNtX2JA== X-Google-Smtp-Source: ABdhPJwlpmpD8qgy6On0kMjdq/9QVGxjhTplOfKgBHnen9cQBlTFEMtlx+UENSCm4upD3rFD8fRqQA== X-Received: by 2002:a17:90a:e64b:: with SMTP id ep11mr1566091pjb.10.1598916969188; Mon, 31 Aug 2020 16:36:09 -0700 (PDT) Received: from driver-dev1.pensando.io ([12.226.153.42]) by smtp.gmail.com with ESMTPSA id 65sm9082651pfx.104.2020.08.31.16.36.08 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 31 Aug 2020 16:36:08 -0700 (PDT) From: Shannon Nelson To: netdev@vger.kernel.org, davem@davemloft.net Cc: Shannon Nelson Subject: [PATCH net-next 3/5] ionic: struct reorder for faster access Date: Mon, 31 Aug 2020 16:35:56 -0700 Message-Id: <20200831233558.71417-4-snelson@pensando.io> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200831233558.71417-1-snelson@pensando.io> References: <20200831233558.71417-1-snelson@pensando.io> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Move a few active struct fields to the front of the struct for a little better cache use and performance. Signed-off-by: Shannon Nelson --- .../net/ethernet/pensando/ionic/ionic_dev.h | 18 +++++++++--------- .../net/ethernet/pensando/ionic/ionic_lif.h | 14 +++++++------- 2 files changed, 16 insertions(+), 16 deletions(-) diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.h b/drivers/net/ethernet/pensando/ionic/ionic_dev.h index 2b2eb5f2a0e5..87debc512755 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_dev.h +++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.h @@ -199,16 +199,17 @@ struct ionic_desc_info { struct ionic_queue { struct device *dev; - u64 dbell_count; - u64 drop; - u64 stop; - u64 wake; struct ionic_lif *lif; struct ionic_desc_info *info; - struct ionic_dev *idev; u16 head_idx; u16 tail_idx; unsigned int index; + unsigned int num_descs; + u64 dbell_count; + u64 stop; + u64 wake; + u64 drop; + struct ionic_dev *idev; unsigned int type; unsigned int hw_index; unsigned int hw_type; @@ -226,7 +227,6 @@ struct ionic_queue { }; dma_addr_t base_pa; dma_addr_t sg_base_pa; - unsigned int num_descs; unsigned int desc_size; unsigned int sg_desc_size; unsigned int pid; @@ -246,8 +246,6 @@ struct ionic_intr_info { }; struct ionic_cq { - void *base; - dma_addr_t base_pa; struct ionic_lif *lif; struct ionic_cq_info *info; struct ionic_queue *bound_q; @@ -255,8 +253,10 @@ struct ionic_cq { u16 tail_idx; bool done_color; unsigned int num_descs; - u64 compl_count; unsigned int desc_size; + u64 compl_count; + void *base; + dma_addr_t base_pa; }; struct ionic; diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.h b/drivers/net/ethernet/pensando/ionic/ionic_lif.h index e1e6ff1a0918..11ea9e0c6a4a 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.h +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.h @@ -16,32 +16,32 @@ #define IONIC_TX_BUDGET_DEFAULT 256 struct ionic_tx_stats { - u64 dma_map_err; u64 pkts; u64 bytes; - u64 clean; - u64 linearize; u64 csum_none; u64 csum; - u64 crc32_csum; u64 tso; u64 tso_bytes; u64 frags; u64 vlan_inserted; + u64 clean; + u64 linearize; + u64 crc32_csum; u64 sg_cntr[IONIC_MAX_NUM_SG_CNTR]; + u64 dma_map_err; }; struct ionic_rx_stats { - u64 dma_map_err; - u64 alloc_err; u64 pkts; u64 bytes; u64 csum_none; u64 csum_complete; - u64 csum_error; u64 buffers_posted; u64 dropped; u64 vlan_stripped; + u64 csum_error; + u64 dma_map_err; + u64 alloc_err; }; #define IONIC_QCQ_F_INITED BIT(0)