[PATCHv7 4/5] Ifgroup read/write support in sysfs
From: Laszlo Attila Toth <hidden>
Date: 2007-11-29 16:11:58
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
The ifgroup member of each net device can be read and changed in sysfs. Author: Lutz Jaenicke [off-list ref] --- net/core/net-sysfs.c | 15 +++++++++++++++ 1 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 61ead1d..5bd6d35 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c@@ -219,6 +219,20 @@ static ssize_t store_tx_queue_len(struct device *dev, return netdev_store(dev, attr, buf, len, change_tx_queue_len); } +NETDEVICE_SHOW(ifgroup, fmt_hex); + +static int change_ifgroup(struct net_device *net, unsigned long new_ifgroup) +{ + net->ifgroup = new_ifgroup; + return 0; +} + +static ssize_t store_ifgroup(struct device *dev, struct device_attribute *attr, + const char *buf, size_t len) +{ + return netdev_store(dev, attr, buf, len, change_ifgroup); +} + static struct device_attribute net_class_attributes[] = { __ATTR(addr_len, S_IRUGO, show_addr_len, NULL), __ATTR(iflink, S_IRUGO, show_iflink, NULL),
@@ -235,6 +249,7 @@ static struct device_attribute net_class_attributes[] = { __ATTR(flags, S_IRUGO | S_IWUSR, show_flags, store_flags), __ATTR(tx_queue_len, S_IRUGO | S_IWUSR, show_tx_queue_len, store_tx_queue_len), + __ATTR(ifgroup, S_IRUGO | S_IWUSR, show_ifgroup, store_ifgroup), {} };