From patchwork Tue Sep 1 18:20:20 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shannon Nelson X-Patchwork-Id: 261678 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=-12.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,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 BBA17C433E2 for ; Tue, 1 Sep 2020 18:20:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 95B152071B for ; Tue, 1 Sep 2020 18:20:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=pensando.io header.i=@pensando.io header.b="nC4mzWja" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730365AbgIASUv (ORCPT ); Tue, 1 Sep 2020 14:20:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52398 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728216AbgIASUe (ORCPT ); Tue, 1 Sep 2020 14:20:34 -0400 Received: from mail-pf1-x441.google.com (mail-pf1-x441.google.com [IPv6:2607:f8b0:4864:20::441]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E7A8FC061246 for ; Tue, 1 Sep 2020 11:20:33 -0700 (PDT) Received: by mail-pf1-x441.google.com with SMTP id t9so1282394pfq.8 for ; Tue, 01 Sep 2020 11:20:33 -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=d313eD54a7wBpf4xIcIfjkC0vS1lqfvdWPstPVu4Iqw=; b=nC4mzWjaQJdYMTkfgDEpFZ1dR1FHJu4B1aEtQDUDt79VYBWHqpzcOt0SoNF7XKmFJf oXCzacNl3ISYRJwNRi2bo97noEa2BewTFhqPHXcrmeKl99SFxO06pJTvYeh8eSl3+qyT sZ/pW6Hu0xc9sOmU2FnSG710ei2DT3ErHhHOtvV87wLHWmFbDs8r4WR978ncxgfikhUX Lty980B31xMITP1scTDIxInD+TbjldnFnt4k74WaRhkfCDDrG+9/avU6yoqUE+Axvkv8 LiZtX/Lf9rlxke+fcNXJGCiHgJ+SNiSBxdrDYWAPBwa949+YeBw9z+5JlPLeXEiYRxBm 5oaQ== 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=d313eD54a7wBpf4xIcIfjkC0vS1lqfvdWPstPVu4Iqw=; b=Jy4PKvgMz2QW6S+556s3xllbH45nJ5XPo3CWwCnfl+GcI0mX8ItVnLzqxP626xgvJP uTWhmCQMEQilqAJjkI+/jgzyASzwRMDuK8wCsopLR7KrLvRMCBD+H/eyyoZO6auUP7AN R06O3H4g1MyghnFzwI4Q/sAxo+sRk/EsvbYi/vbrH3nSw+BIbaVNwguaFOBuNHR0IOXr wxHIwp26+fXpTxsa57uvbuUziTCzb8sQKDcOLxA8hy4B0+KlUGP7cTRa6442B0bYeblu DkLPekUVpKiw9bnjJ+SqNfas27WejbDCbCdZZou5Mv2n8YnP0NS9UyUm1g2g4wyvXxjQ ITSg== X-Gm-Message-State: AOAM530RWsrRnoJvCcmLqdEPVdUQ95x6yC6ET2FYnVhJvRezOpZm8c7p 1Q7C3BVGSj4vhYszBHwtuOS+onMpCmSX8Q== X-Google-Smtp-Source: ABdhPJy4hUcPF6QOQRZbY+XFtCApZfJfP1xRwcDuvrWe4jj/s9U1tynLe13YLRpVawttjNL8uc9Zlw== X-Received: by 2002:a62:1d44:: with SMTP id d65mr3096700pfd.150.1598984433143; Tue, 01 Sep 2020 11:20:33 -0700 (PDT) Received: from driver-dev1.pensando.io ([12.226.153.42]) by smtp.gmail.com with ESMTPSA id j81sm2747086pfd.213.2020.09.01.11.20.32 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 01 Sep 2020 11:20:32 -0700 (PDT) From: Shannon Nelson To: netdev@vger.kernel.org, davem@davemloft.net Cc: Shannon Nelson Subject: [PATCH v2 net-next 2/6] ionic: struct reorder for faster access Date: Tue, 1 Sep 2020 11:20:20 -0700 Message-Id: <20200901182024.64101-3-snelson@pensando.io> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200901182024.64101-1-snelson@pensando.io> References: <20200901182024.64101-1-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 9e2ac2b8a082..0641ca2e1780 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)