From patchwork Wed Nov 6 10:05:34 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Nguyen X-Patchwork-Id: 1190605 X-Patchwork-Delegate: jeffrey.t.kirsher@intel.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=osuosl.org (client-ip=140.211.166.136; helo=silver.osuosl.org; envelope-from=intel-wired-lan-bounces@osuosl.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=intel.com Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 477Zxc1BSXz9sP6 for ; Thu, 7 Nov 2019 05:36:35 +1100 (AEDT) Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id 63D1A22D22; Wed, 6 Nov 2019 18:36:34 +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 Padc4VGG+72P; Wed, 6 Nov 2019 18:36:33 +0000 (UTC) Received: from ash.osuosl.org (ash.osuosl.org [140.211.166.34]) by silver.osuosl.org (Postfix) with ESMTP id 167D622CCE; Wed, 6 Nov 2019 18:36:33 +0000 (UTC) X-Original-To: intel-wired-lan@lists.osuosl.org Delivered-To: intel-wired-lan@lists.osuosl.org Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by ash.osuosl.org (Postfix) with ESMTP id 91DE41BF3FB for ; Wed, 6 Nov 2019 18:36:30 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id 8BD9E8A803 for ; Wed, 6 Nov 2019 18:36:30 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id f8YUAHBya9Ps for ; Wed, 6 Nov 2019 18:36:29 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by hemlock.osuosl.org (Postfix) with ESMTPS id 8E7098A862 for ; Wed, 6 Nov 2019 18:36:29 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 06 Nov 2019 10:36:29 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,275,1569308400"; d="scan'208";a="205918157" Received: from unknown (HELO localhost.jf.intel.com) ([10.166.244.174]) by orsmga006.jf.intel.com with ESMTP; 06 Nov 2019 10:36:27 -0800 From: Tony Nguyen To: intel-wired-lan@lists.osuosl.org Date: Wed, 6 Nov 2019 02:05:34 -0800 Message-Id: <20191106100541.48639-8-anthony.l.nguyen@intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191106100541.48639-1-anthony.l.nguyen@intel.com> References: <20191106100541.48639-1-anthony.l.nguyen@intel.com> MIME-Version: 1.0 Subject: [Intel-wired-lan] [PATCH S32 v3 08/15] ice: Change max MSI-x vector_id check in cfg_irq_map X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" From: Brett Creeley Currently we check to make sure the vector_id passed down from iavf is less than or equal to pf->hw.func_caps.common_caps.num_msix_vectors. This is incorrect because the vector_id is always 0-based and never greater than or equal to the ICE_MAX_INTR_PER_VF. Fix this by checking to make sure the vector_id is less than the max allowed interrupts per VF (ICE_MAX_INTR_PER_VF). Signed-off-by: Brett Creeley Tested-by: Andrew Bowers --- drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c index 537377448bef..eb526144a237 100644 --- a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c @@ -2179,9 +2179,11 @@ static int ice_vc_cfg_irq_map_msg(struct ice_vf *vf, u8 *msg) vector_id = map->vector_id; vsi_id = map->vsi_id; - /* validate msg params */ - if (!(vector_id < pf->hw.func_caps.common_cap - .num_msix_vectors) || !ice_vc_isvalid_vsi_id(vf, vsi_id) || + /* vector_id is always 0-based for each VF, and can never be + * larger than or equal to the max allowed interrupts per VF + */ + if (!(vector_id < ICE_MAX_INTR_PER_VF) || + !ice_vc_isvalid_vsi_id(vf, vsi_id) || (!vector_id && (map->rxq_map || map->txq_map))) { v_ret = VIRTCHNL_STATUS_ERR_PARAM; goto error_param;