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 X-Spam-Level: X-Spam-Status: No, score=-6.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,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 AED6ACA90AF for ; Wed, 13 May 2020 09:49:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7D81120769 for ; Wed, 13 May 2020 09:49:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589363346; bh=7t/1B8SMUNJlx2mXgH50/BFXjRUypT2lzL9JCbMpWjo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=VxXFT7+VzAEGlQ3mBhGp2PteHqrixuZAIei0id92nz/YtBixb1QCo0CnsY6OCASpY s+vevd2A0Bo9q4riHPuoXlfZNnnb2xHq7R434BeLd4xxFaKTJfnzqgYmusMffGhSP+ mikHp8ds3lJv8ZjdSg6JOvrNCbDa+e4QnZL7Xdow= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733176AbgEMJtF (ORCPT ); Wed, 13 May 2020 05:49:05 -0400 Received: from mail.kernel.org ([198.145.29.99]:47684 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732597AbgEMJs6 (ORCPT ); Wed, 13 May 2020 05:48:58 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (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 6E6DC20575; Wed, 13 May 2020 09:48:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589363337; bh=7t/1B8SMUNJlx2mXgH50/BFXjRUypT2lzL9JCbMpWjo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZBza9qcaCvBODFXALJWcuKB3vSkE+w3x8xafbDMyyoxwazuyPsccOnDu6t7QE6wkm LOzOfc1OMZqQl3aZBln+UqQvBCyjfRxm1/vrNSIY2q7L7VLEQ4xAMXMkVHAMt5y7iw OscTlE+d07E7GoVJxbofkE2RsqNBH8VVfrk/GXO8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Vasundhara Volam , Michael Chan , "David S. Miller" Subject: [PATCH 5.4 32/90] bnxt_en: Reduce BNXT_MSIX_VEC_MAX value to supported CQs per PF. Date: Wed, 13 May 2020 11:44:28 +0200 Message-Id: <20200513094411.891864798@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200513094408.810028856@linuxfoundation.org> References: <20200513094408.810028856@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Vasundhara Volam [ Upstream commit 9e68cb0359b20f99c7b070f1d3305e5e0a9fae6d ] Broadcom adapters support only maximum of 512 CQs per PF. If user sets MSIx vectors more than supported CQs, firmware is setting incorrect value for msix_vec_per_pf_max parameter. Fix it by reducing the BNXT_MSIX_VEC_MAX value to 512, even though the maximum # of MSIx vectors supported by adapter are 1280. Fixes: f399e8497826 ("bnxt_en: Use msix_vec_per_pf_max and msix_vec_per_pf_min devlink params.") Signed-off-by: Vasundhara Volam Signed-off-by: Michael Chan Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.h @@ -39,7 +39,7 @@ static inline void bnxt_link_bp_to_dl(st #define NVM_OFF_DIS_GRE_VER_CHECK 171 #define NVM_OFF_ENABLE_SRIOV 401 -#define BNXT_MSIX_VEC_MAX 1280 +#define BNXT_MSIX_VEC_MAX 512 #define BNXT_MSIX_VEC_MIN_MAX 128 enum bnxt_nvm_dir_type {