From patchwork Tue Sep 29 11:01:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 291051 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=-13.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, 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 6E1EBC4727F for ; Tue, 29 Sep 2020 11:52:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3724B2074A for ; Tue, 29 Sep 2020 11:52:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1601380374; bh=XyWyy+niajMmdGPwQsAAHQn0GIcP6F2aIX62zK1L8qQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=GWdEYQuLJ7OmTVHlKFiVfMBeBfpW7NDzxRs/LRf+edI7Mi6pwoBX8GQ1/Tl0yy3WV P9B6Cbjnvao5ozn4tYAdtdSocy+uinSqL6RXVZTPVKohkX4jCwkSvS0Z2HROOwhBGA BhC+9FuX+CAF749XxxLHeyGK9o4VzicF9s6kx8Ik= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731138AbgI2Lwx (ORCPT ); Tue, 29 Sep 2020 07:52:53 -0400 Received: from mail.kernel.org ([198.145.29.99]:48576 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730666AbgI2LrO (ORCPT ); Tue, 29 Sep 2020 07:47:14 -0400 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2137421941; Tue, 29 Sep 2020 11:47:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1601380033; bh=XyWyy+niajMmdGPwQsAAHQn0GIcP6F2aIX62zK1L8qQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0zuY+cT6mDDemo5rIoTzFZU/tAtQIBYx9TwCf4su9M0f2V7KjXwp9sj9XF0Z/6uP/ h/XigdvF06evDvgzuR7rzny+z1jSCslk/LRfG73BkP4yfF7zN1+9GR1IXtyVT10TqM bb3MMTCP8SkK4nRHrWvjejTYNiKHXzJ/cQaMIqww= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Manish Chopra , Igor Russkikh , Michal Kalderon , Dmitry Bogdanov , "David S. Miller" , Sasha Levin Subject: [PATCH 5.8 38/99] net: qede: Disable aRFS for NPAR and 100G Date: Tue, 29 Sep 2020 13:01:21 +0200 Message-Id: <20200929105931.602754697@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200929105929.719230296@linuxfoundation.org> References: <20200929105929.719230296@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Dmitry Bogdanov [ Upstream commit 0367f05885b9f21d062447bd2ba1302ba3cc7392 ] In some configurations ARFS cannot be used, so disable it if device is not capable. Fixes: e4917d46a653 ("qede: Add aRFS support") Signed-off-by: Manish Chopra Signed-off-by: Igor Russkikh Signed-off-by: Michal Kalderon Signed-off-by: Dmitry Bogdanov Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/qlogic/qede/qede_filter.c | 3 +++ drivers/net/ethernet/qlogic/qede/qede_main.c | 11 +++++------ 2 files changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/qlogic/qede/qede_filter.c b/drivers/net/ethernet/qlogic/qede/qede_filter.c index fe72bb6c9455e..203cc76214c70 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_filter.c +++ b/drivers/net/ethernet/qlogic/qede/qede_filter.c @@ -336,6 +336,9 @@ int qede_alloc_arfs(struct qede_dev *edev) { int i; + if (!edev->dev_info.common.b_arfs_capable) + return -EINVAL; + edev->arfs = vzalloc(sizeof(*edev->arfs)); if (!edev->arfs) return -ENOMEM; diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index 29e285430f995..082055ee2d397 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -827,7 +827,7 @@ static void qede_init_ndev(struct qede_dev *edev) NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_HW_TC; - if (!IS_VF(edev) && edev->dev_info.common.num_hwfns == 1) + if (edev->dev_info.common.b_arfs_capable) hw_features |= NETIF_F_NTUPLE; if (edev->dev_info.common.vxlan_enable || @@ -2278,7 +2278,7 @@ static void qede_unload(struct qede_dev *edev, enum qede_unload_mode mode, qede_vlan_mark_nonconfigured(edev); edev->ops->fastpath_stop(edev->cdev); - if (!IS_VF(edev) && edev->dev_info.common.num_hwfns == 1) { + if (edev->dev_info.common.b_arfs_capable) { qede_poll_for_freeing_arfs_filters(edev); qede_free_arfs(edev); } @@ -2345,10 +2345,9 @@ static int qede_load(struct qede_dev *edev, enum qede_load_mode mode, if (rc) goto err2; - if (!IS_VF(edev) && edev->dev_info.common.num_hwfns == 1) { - rc = qede_alloc_arfs(edev); - if (rc) - DP_NOTICE(edev, "aRFS memory allocation failed\n"); + if (qede_alloc_arfs(edev)) { + edev->ndev->features &= ~NETIF_F_NTUPLE; + edev->dev_info.common.b_arfs_capable = false; } qede_napi_add_enable(edev);