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[2620:137:e000::1:20]) by mx.google.com with ESMTP id e12-20020a631e0c000000b00420849f1ff1si8983512pge.650.2022.08.29.05.28.48; Mon, 29 Aug 2022 05:28:59 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=AphdjpFG; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232308AbiH2LaJ (ORCPT + 99 others); Mon, 29 Aug 2022 07:30:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55436 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232389AbiH2L2w (ORCPT ); Mon, 29 Aug 2022 07:28:52 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D03557A514; Mon, 29 Aug 2022 04:17:12 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 5782AB80EFA; Mon, 29 Aug 2022 11:04:13 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9F8B3C433C1; Mon, 29 Aug 2022 11:04:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1661771052; bh=3NhdeY8HFeNZCiXqEDGDabYJL1Sk+THfGbYM30UYW0w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AphdjpFGfw9cwRX6lPPc+VbMKr66aR9cuHDmEHSfRO0wmonM7GyxTm1wSCtBrGgfS v7Utsw1M8ORk629vPL1YE3tdyGPCPaNnOMTmqo6hqE6tOdgiVhKjROOWnaqePmRQEj FPkqlh7UfxgQVtDS7q0f8iYWFa/SpNoYJbf9dQK8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Vikas Gupta , Michael Chan , Jakub Kicinski , Sasha Levin Subject: [PATCH 5.15 054/136] bnxt_en: fix NQ resource accounting during vf creation on 57500 chips Date: Mon, 29 Aug 2022 12:58:41 +0200 Message-Id: <20220829105806.849052586@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220829105804.609007228@linuxfoundation.org> References: <20220829105804.609007228@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Vikas Gupta [ Upstream commit 09a89cc59ad67794a11e1d3dd13c5b3172adcc51 ] There are 2 issues: 1. We should decrement hw_resc->max_nqs instead of hw_resc->max_irqs with the number of NQs assigned to the VFs. The IRQs are fixed on each function and cannot be re-assigned. Only the NQs are being assigned to the VFs. 2. vf_msix is the total number of NQs to be assigned to the VFs. So we should decrement vf_msix from hw_resc->max_nqs. Fixes: b16b68918674 ("bnxt_en: Add SR-IOV support for 57500 chips.") Signed-off-by: Vikas Gupta Signed-off-by: Michael Chan Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c index 70d8ca3039dcb..78763f5027d10 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c @@ -623,7 +623,7 @@ static int bnxt_hwrm_func_vf_resc_cfg(struct bnxt *bp, int num_vfs, bool reset) hw_resc->max_stat_ctxs -= le16_to_cpu(req->min_stat_ctx) * n; hw_resc->max_vnics -= le16_to_cpu(req->min_vnics) * n; if (bp->flags & BNXT_FLAG_CHIP_P5) - hw_resc->max_irqs -= vf_msix * n; + hw_resc->max_nqs -= vf_msix; rc = pf->active_vfs; } -- 2.35.1