Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756669Ab1EJQNz (ORCPT ); Tue, 10 May 2011 12:13:55 -0400 Received: from smtp-outbound-2.vmware.com ([65.115.85.73]:5576 "EHLO smtp-outbound-2.vmware.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752436Ab1EJQNy (ORCPT ); Tue, 10 May 2011 12:13:54 -0400 Date: Tue, 10 May 2011 09:13:56 -0700 (PDT) From: Shreyas Bhatewara X-X-Sender: sbhatewara@sbhatewara-dev1.eng.vmware.com To: netdev@vger.kernel.org, linux-kernel@vger.kernel.org cc: pv-drivers@vmware.com Subject: Re: [PATCH net-next] vmxnet3: Use single tx queue when CONFIG_PCI_MSI not defined In-Reply-To: Message-ID: References: User-Agent: Alpine 2.00 (LRH 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1713 Lines: 52 Resending this patch with few changes. Avoid multiple queues when MSI or MSI-X not available Limit number of Tx queues to 1 if MSI/MSI-X support is not configured in the kernel. This will make number of tx and rx queues equal when MSI/X is not configured thus providing better performance. Signed-off-by: Bhavesh Davda Signed-off-by: Shreyas N Bhatewara --- diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index 7a494f7..ab2e753 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -2882,6 +2882,9 @@ vmxnet3_probe_device(struct pci_dev *pdev, int num_tx_queues; int num_rx_queues; + if (!pci_msi_enabled()) + enable_mq = 0; + #ifdef VMXNET3_RSS if (enable_mq) num_rx_queues = min(VMXNET3_DEVICE_MAX_RX_QUEUES, diff --git a/drivers/net/vmxnet3/vmxnet3_int.h b/drivers/net/vmxnet3/vmxnet3_int.h index 8ba7b5f..f50d36f 100644 --- a/drivers/net/vmxnet3/vmxnet3_int.h +++ b/drivers/net/vmxnet3/vmxnet3_int.h @@ -68,10 +68,10 @@ /* * Version numbers */ -#define VMXNET3_DRIVER_VERSION_STRING "1.0.25.0-k" +#define VMXNET3_DRIVER_VERSION_STRING "1.1.9.0-k" /* a 32-bit int, each byte encode a verion number in VMXNET3_DRIVER_VERSION */ -#define VMXNET3_DRIVER_VERSION_NUM 0x01001900 +#define VMXNET3_DRIVER_VERSION_NUM 0x01010900 #if defined(CONFIG_PCI_MSI) /* RSS only makes sense if MSI-X is supported. */ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/