From patchwork Wed Jan 31 00:51:27 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Tantilov, Emil S" X-Patchwork-Id: 867753 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 (mailfrom) smtp.mailfrom=osuosl.org (client-ip=140.211.166.137; helo=fraxinus.osuosl.org; envelope-from=intel-wired-lan-bounces@osuosl.org; receiver=) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3zWPg23vkfz9ryQ for ; Wed, 31 Jan 2018 11:45:34 +1100 (AEDT) Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id DD54287DD9; Wed, 31 Jan 2018 00:45:32 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id KMqEupmKZcAA; Wed, 31 Jan 2018 00:45:31 +0000 (UTC) Received: from ash.osuosl.org (ash.osuosl.org [140.211.166.34]) by fraxinus.osuosl.org (Postfix) with ESMTP id 70A1E87DAC; Wed, 31 Jan 2018 00:45:31 +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 4B51A1C4377 for ; Wed, 31 Jan 2018 00:45:30 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id 46FF788E8D for ; Wed, 31 Jan 2018 00:45:30 +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 LdSPIkkV1Pbt for ; Wed, 31 Jan 2018 00:45:29 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by hemlock.osuosl.org (Postfix) with ESMTPS id 8A95188B60 for ; Wed, 31 Jan 2018 00:45:29 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 30 Jan 2018 16:45:29 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.46,437,1511856000"; d="scan'208";a="26789967" Received: from estantil-desk3.jf.intel.com (HELO localhost6.localdomain6) ([134.134.177.100]) by fmsmga001.fm.intel.com with ESMTP; 30 Jan 2018 16:45:28 -0800 From: Emil Tantilov To: intel-wired-lan@lists.osuosl.org Date: Tue, 30 Jan 2018 16:51:27 -0800 Message-ID: <20180131005127.19264.83738.stgit@localhost6.localdomain6> In-Reply-To: <20180131005015.19264.44085.stgit@localhost6.localdomain6> References: <20180131005015.19264.44085.stgit@localhost6.localdomain6> User-Agent: StGit/0.17.1-17-ge4e0 MIME-Version: 1.0 Subject: [Intel-wired-lan] [PATCH 4/9] ixgbevf: setup queue counts X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.24 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" Add calls for netif_set_real_num_t/rx_queues() in ixgbevf_open(). Make sure that calls to ixgbevf_open() are rtnl protected and improve the error handling when setting up multiple queues. Signed-off-by: Emil Tantilov Tested-by: Krishneil Singh --- drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 44 ++++++++++++++------- 1 file changed, 29 insertions(+), 15 deletions(-) diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index f8e1b1c..cb9d00a 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -3119,9 +3119,14 @@ static int ixgbevf_setup_all_tx_resources(struct ixgbevf_adapter *adapter) if (!err) continue; hw_dbg(&adapter->hw, "Allocation for Tx Queue %u failed\n", i); - break; + goto err_setup_tx; } + return 0; +err_setup_tx: + /* rewind the index freeing the rings as we go */ + while (i--) + ixgbevf_free_tx_resources(adapter->tx_ring[i]); return err; } @@ -3179,8 +3184,14 @@ static int ixgbevf_setup_all_rx_resources(struct ixgbevf_adapter *adapter) if (!err) continue; hw_dbg(&adapter->hw, "Allocation for Rx Queue %u failed\n", i); - break; + goto err_setup_rx; } + + return 0; +err_setup_rx: + /* rewind the index freeing the rings as we go */ + while (i--) + ixgbevf_free_rx_resources(adapter->rx_ring[i]); return err; } @@ -3285,18 +3296,27 @@ int ixgbevf_open(struct net_device *netdev) if (err) goto err_req_irq; + /* Notify the stack of the actual queue counts. */ + err = netif_set_real_num_tx_queues(netdev, adapter->num_tx_queues); + if (err) + goto err_set_queues; + + err = netif_set_real_num_rx_queues(netdev, adapter->num_rx_queues); + if (err) + goto err_set_queues; + ixgbevf_up_complete(adapter); return 0; +err_set_queues: + ixgbevf_free_irq(adapter); err_req_irq: - ixgbevf_down(adapter); -err_setup_rx: ixgbevf_free_all_rx_resources(adapter); -err_setup_tx: +err_setup_rx: ixgbevf_free_all_tx_resources(adapter); +err_setup_tx: ixgbevf_reset(adapter); - err_setup_reset: return err; @@ -3948,17 +3968,11 @@ static int ixgbevf_resume(struct pci_dev *pdev) rtnl_lock(); err = ixgbevf_init_interrupt_scheme(adapter); + if (!err && netif_running(netdev)) + err = ixgbevf_open(netdev); rtnl_unlock(); - if (err) { - dev_err(&pdev->dev, "Cannot initialize interrupts\n"); + if (err) return err; - } - - if (netif_running(netdev)) { - err = ixgbevf_open(netdev); - if (err) - return err; - } netif_device_attach(netdev);