From patchwork Mon Dec 13 09:30:14 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 524157 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 B50C5C433EF for ; Mon, 13 Dec 2021 09:43:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235047AbhLMJnC (ORCPT ); Mon, 13 Dec 2021 04:43:02 -0500 Received: from sin.source.kernel.org ([145.40.73.55]:33882 "EHLO sin.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234146AbhLMJkW (ORCPT ); Mon, 13 Dec 2021 04:40:22 -0500 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 sin.source.kernel.org (Postfix) with ESMTPS id 63C00CE0E96; Mon, 13 Dec 2021 09:40:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0D669C00446; Mon, 13 Dec 2021 09:40:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1639388419; bh=CBr674McNsAPoIZr7+OlnKy5ptBcp9BcM6Fsm5OT0G8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=yKNfZQlv8soHmg3xOL0ezU/0eRAMyOVzFpcwjGrsCDrTaYOhyGM9q3bYwTnloqqgi rLxniaW74LgsZgwq8PHYrTyxxw/TTKjrrmoECNGiyDBZIMBY8YlBo0k+55WeUmHwPj 7eiM7ygQ647lVmMbZMKNn+JXhYqR6Mb0rqwqrth0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Grzegorz Szczurek , Mateusz Palczewski , Bindushree P , Tony Nguyen Subject: [PATCH 4.19 43/74] i40e: Fix pre-set max number of queues for VF Date: Mon, 13 Dec 2021 10:30:14 +0100 Message-Id: <20211213092932.259198926@linuxfoundation.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20211213092930.763200615@linuxfoundation.org> References: <20211213092930.763200615@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Mateusz Palczewski commit 8aa55ab422d9d0d825ebfb877702ed661e96e682 upstream. After setting pre-set combined to 16 queues and reserving 16 queues by tc qdisc, pre-set maximum combined queues returned to default value after VF reset being 4 and this generated errors during removing tc. Fixed by removing clear num_req_queues before reset VF. Fixes: e284fc280473 (i40e: Add and delete cloud filter) Signed-off-by: Grzegorz Szczurek Signed-off-by: Mateusz Palczewski Tested-by: Bindushree P Signed-off-by: Tony Nguyen Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 5 ----- 1 file changed, 5 deletions(-) --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -3580,11 +3580,6 @@ static int i40e_vc_add_qch_msg(struct i4 /* set this flag only after making sure all inputs are sane */ vf->adq_enabled = true; - /* num_req_queues is set when user changes number of queues via ethtool - * and this causes issue for default VSI(which depends on this variable) - * when ADq is enabled, hence reset it. - */ - vf->num_req_queues = 0; /* reset the VF in order to allocate resources */ i40e_vc_notify_vf_reset(vf);