netdev - [PATCH] Expose netdevice dev

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Message-Id: <1208176322.31695.73.camel@pmac.infradead.org>
Date:	Mon, 14 Apr 2008 13:32:02 +0100
From:	David Woodhouse <dwmw2@...radead.org>
To:	Kay Sievers <kay.sievers@...y.org>
Cc:	Marco d'Itri <md@...ux.it>, Harald Hoyer <harald@...hat.com>,
	linux-hotplug@...r.kernel.org, netdev@...r.kernel.org,
	schwidefsky@...ibm.com
Subject: [PATCH] Expose netdevice dev_id through sysfs

Expose dev_id to userspace, because it helps to disambiguate between
interfaces where the MAC address is unique.

Signed-off-by: David Woodhouse <dwmw2@...radead.org>

--- ./linux-2.6.24.ppc/net/core/net-sysfs.c~	2008-04-13 13:38:24.000000000 +0100
+++ ./linux-2.6.24.ppc/net/core/net-sysfs.c	2008-04-14 10:58:32.000000000 +0100
@@ -87,6 +87,7 @@ static ssize_t netdev_store(struct devic
 	return ret;
 }
 
+NETDEVICE_SHOW(dev_id, fmt_hex);
 NETDEVICE_SHOW(addr_len, fmt_dec);
 NETDEVICE_SHOW(iflink, fmt_dec);
 NETDEVICE_SHOW(ifindex, fmt_dec);
@@ -210,6 +211,7 @@ static ssize_t store_tx_queue_len(struct
 
 static struct device_attribute net_class_attributes[] = {
 	__ATTR(addr_len, S_IRUGO, show_addr_len, NULL),
+	__ATTR(dev_id, S_IRUGO, show_dev_id, NULL),
 	__ATTR(iflink, S_IRUGO, show_iflink, NULL),
 	__ATTR(ifindex, S_IRUGO, show_ifindex, NULL),
 	__ATTR(features, S_IRUGO, show_features, NULL),


-- 
dwmw2

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