From mboxrd@z Thu Jan 1 00:00:00 1970 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 6EF88C4332F for ; Mon, 27 Dec 2021 08:00:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231491AbhL0IA4 (ORCPT ); Mon, 27 Dec 2021 03:00:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48476 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231485AbhL0IAy (ORCPT ); Mon, 27 Dec 2021 03:00:54 -0500 Received: from mail-ua1-x933.google.com (mail-ua1-x933.google.com [IPv6:2607:f8b0:4864:20::933]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A4EE4C061401 for ; Mon, 27 Dec 2021 00:00:54 -0800 (PST) Received: by mail-ua1-x933.google.com with SMTP id i6so25444910uae.6 for ; Mon, 27 Dec 2021 00:00:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=n4qeT8Pa+JIDYqoGrEyiUQDlYPL/LnsJgMGOiP+1xhU=; b=cavtnbm/93qCp6p+7cEll4sZos/q7lmtn6uC+uZBfwGG1a66Bt6eIHr+QSZsSWWS8m m9JIxBuqKV2UCwYCn/1etRTuHhqJP5BZeqDwKtLLI63jrr71Ag9Lzki8hR7UmkGKcLwi 8pyCZPTvcy9qCHJnqXUCyFYNCWunCQMcEllmE= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=n4qeT8Pa+JIDYqoGrEyiUQDlYPL/LnsJgMGOiP+1xhU=; b=JZXXrGHyshNqvUsIV4ZMHGI8C07f8Rzc/A+MeSgqkW5fFw2nwhmbulRg/Qje9TSSVw AfrzI3DZykA+A5a1Xh3NDKL2nM04fKjDESYchRLDOAyAbZk1+rwsurOo/zK7igENxK/J bzozMHhZi7C20eo3L3noF96HNeuKJEc2WJpgQWW/whjKhBMpobQGGukhPUDaycH3TNig Z8dDRbeFL1fBNixU25TGw/ogVm46aKVI1JAi1V7ZudjAFOKUBH7rPQIk3xy2SqFek5qA sEZZlohA6CePxdyRi4u8p+FuAQNnYxAM5jh3awJIPYWgButJ6QqKWExMMhHRJ7JJMUTL Xz8w== X-Gm-Message-State: AOAM5305j5EZrP8m+DuUQN9Mw1vX5akHC+5HkRcBXFNfOeAAalWhQ2SN PpUQ4fbMXOlwT3SDZV60BDLypg== X-Google-Smtp-Source: ABdhPJyLaQWg59gNCtBxtXmTr6E5EB+kL8khO2WJPvcwV2wKtgjhWpR6UHfcb8pgeHPNcFGS2KIGYQ== X-Received: by 2002:a05:6102:3910:: with SMTP id e16mr4170711vsu.0.1640592053608; Mon, 27 Dec 2021 00:00:53 -0800 (PST) Received: from localhost.swdvt.lab.broadcom.net ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id o1sm2907587vkc.35.2021.12.27.00.00.52 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 27 Dec 2021 00:00:53 -0800 (PST) From: Michael Chan To: davem@davemloft.net Cc: netdev@vger.kernel.org, kuba@kernel.org, gospo@broadcom.com Subject: [PATCH net-next 4/7] bnxt_en: Support configurable CQE coalescing mode Date: Mon, 27 Dec 2021 03:00:29 -0500 Message-Id: <1640592032-8927-5-git-send-email-michael.chan@broadcom.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1640592032-8927-1-git-send-email-michael.chan@broadcom.com> References: <1640592032-8927-1-git-send-email-michael.chan@broadcom.com> Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="0000000000009a298705d41c1a7f" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org --0000000000009a298705d41c1a7f CQE coalescing mode is the same as the timer reset coalescing mode on Broadcom devices. Currently this mode is always enabled if it is supported by the device. Restructure the code slightly to support dynamically changing this mode. Add a flags field to struct bnxt_coal. Initially, the CQE flag will be set for the RX and TX side if the device supports it. We need to move bnxt_init_dflt_coal() to set up default coalescing until the capability is determined. Reviewed-by: Andy Gospodarek Reviewed-by: Edwin Peer Signed-off-by: Michael Chan --- drivers/net/ethernet/broadcom/bnxt/bnxt.c | 16 +++++++++++----- drivers/net/ethernet/broadcom/bnxt/bnxt.h | 1 + 2 files changed, 12 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 11df2fc05f6a..48e61355ca00 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -6496,8 +6496,8 @@ static void bnxt_hwrm_set_coal_params(struct bnxt *bp, struct hwrm_ring_cmpl_ring_cfg_aggint_params_input *req) { struct bnxt_coal_cap *coal_cap = &bp->coal_cap; + u16 val, tmr, max, flags = hw_coal->flags; u32 cmpl_params = coal_cap->cmpl_params; - u16 val, tmr, max, flags = 0; max = hw_coal->bufs_per_record * 128; if (hw_coal->budget) @@ -6540,8 +6540,6 @@ static void bnxt_hwrm_set_coal_params(struct bnxt *bp, cpu_to_le16(BNXT_COAL_CMPL_AGGR_TMR_DURING_INT_ENABLE); } - if (cmpl_params & RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_TIMER_RESET) - flags |= RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET; if ((cmpl_params & RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_RING_IDLE) && hw_coal->idle_thresh && hw_coal->coal_ticks < hw_coal->idle_thresh) flags |= RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_RING_IDLE; @@ -11897,7 +11895,13 @@ static void bnxt_cleanup_pci(struct bnxt *bp) static void bnxt_init_dflt_coal(struct bnxt *bp) { + struct bnxt_coal_cap *coal_cap = &bp->coal_cap; struct bnxt_coal *coal; + u16 flags = 0; + + if (coal_cap->cmpl_params & + RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_TIMER_RESET) + flags |= RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET; /* Tick values in micro seconds. * 1 coal_buf x bufs_per_record = 1 completion record. @@ -11910,6 +11914,7 @@ static void bnxt_init_dflt_coal(struct bnxt *bp) coal->idle_thresh = 50; coal->bufs_per_record = 2; coal->budget = 64; /* NAPI budget */ + coal->flags = flags; coal = &bp->tx_coal; coal->coal_ticks = 28; @@ -11917,6 +11922,7 @@ static void bnxt_init_dflt_coal(struct bnxt *bp) coal->coal_ticks_irq = 2; coal->coal_bufs_irq = 2; coal->bufs_per_record = 1; + coal->flags = flags; bp->stats_coal_ticks = BNXT_DEF_STATS_COAL_TICKS; } @@ -12403,8 +12409,6 @@ static int bnxt_init_board(struct pci_dev *pdev, struct net_device *dev) bp->rx_ring_size = BNXT_DEFAULT_RX_RING_SIZE; bp->tx_ring_size = BNXT_DEFAULT_TX_RING_SIZE; - bnxt_init_dflt_coal(bp); - timer_setup(&bp->timer, bnxt_timer, 0); bp->current_interval = BNXT_TIMER_INTERVAL; @@ -13424,6 +13428,8 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) bnxt_fw_init_one_p3(bp); + bnxt_init_dflt_coal(bp); + if (dev->hw_features & BNXT_HW_FEATURE_VLAN_ALL_RX) bp->flags |= BNXT_FLAG_STRIP_VLAN; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index 4c9507d82fd0..7bd9c5d237d9 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ 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