From patchwork Tue Feb 25 16:17:50 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amir Vadai X-Patchwork-Id: 324022 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 353EB2C0078 for ; Wed, 26 Feb 2014 03:19:00 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752875AbaBYQSo (ORCPT ); Tue, 25 Feb 2014 11:18:44 -0500 Received: from mailp.voltaire.com ([193.47.165.129]:43241 "EHLO mellanox.co.il" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1752129AbaBYQSn (ORCPT ); Tue, 25 Feb 2014 11:18:43 -0500 Received: from Internal Mail-Server by MTLPINE2 (envelope-from amirv@mellanox.com) with SMTP; 25 Feb 2014 18:18:40 +0200 Received: from mtl-eit-vdi-22.mtl.labs.mlnx (mtl-eit-vdi-22.mtl.labs.mlnx [10.7.132.72]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id s1PGIcco030453; Tue, 25 Feb 2014 18:18:39 +0200 From: Amir Vadai To: "David S. Miller" Cc: Or Gerlitz , Yevgeny Petrilin , Amir Vadai , netdev@vger.kernel.org Subject: [PATCH net-next 1/3] net: Add sysfs file for port number Date: Tue, 25 Feb 2014 18:17:50 +0200 Message-Id: <1393345072-31584-2-git-send-email-amirv@mellanox.com> X-Mailer: git-send-email 1.8.3.4 In-Reply-To: <1393345072-31584-1-git-send-email-amirv@mellanox.com> References: <1393345072-31584-1-git-send-email-amirv@mellanox.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add a sysfs file to enable user space to query the device port number used by a netdevice instance. This is needed for devices that have multiple ports on the same PCI function. Signed-off-by: Amir Vadai --- include/linux/netdevice.h | 4 ++++ net/core/net-sysfs.c | 2 ++ 2 files changed, 6 insertions(+) diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 5e47565..5e84483 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1279,6 +1279,10 @@ struct net_device { * that share the same link * layer address */ + unsigned short dev_port; /* Used to differentiate + * devices that share the same + * function + */ spinlock_t addr_list_lock; struct netdev_hw_addr_list uc; /* Unicast mac addresses */ struct netdev_hw_addr_list mc; /* Multicast mac addresses */ diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index 73aa594..daed9a6 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -104,6 +104,7 @@ static ssize_t netdev_store(struct device *dev, struct device_attribute *attr, } NETDEVICE_SHOW_RO(dev_id, fmt_hex); +NETDEVICE_SHOW_RO(dev_port, fmt_dec); NETDEVICE_SHOW_RO(addr_assign_type, fmt_dec); NETDEVICE_SHOW_RO(addr_len, fmt_dec); NETDEVICE_SHOW_RO(iflink, fmt_dec); @@ -373,6 +374,7 @@ static struct attribute *net_class_attrs[] = { &dev_attr_netdev_group.attr, &dev_attr_type.attr, &dev_attr_dev_id.attr, + &dev_attr_dev_port.attr, &dev_attr_iflink.attr, &dev_attr_ifindex.attr, &dev_attr_addr_assign_type.attr,