diff options
Diffstat (limited to 'net/core/net-sysfs.c')
| -rw-r--r-- | net/core/net-sysfs.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index e8b2acbc8ea..21b68464cab 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -91,6 +91,7 @@ NETDEVICE_SHOW(iflink, fmt_dec); NETDEVICE_SHOW(ifindex, fmt_dec); NETDEVICE_SHOW(features, fmt_long_hex); NETDEVICE_SHOW(type, fmt_dec); +NETDEVICE_SHOW(link_mode, fmt_dec); /* use same locking rules as GIFHWADDR ioctl's */ static ssize_t format_addr(char *buf, const unsigned char *addr, int len) @@ -133,6 +134,43 @@ static ssize_t show_carrier(struct class_device *dev, char *buf) return -EINVAL; } +static ssize_t show_dormant(struct class_device *dev, char *buf) +{ + struct net_device *netdev = to_net_dev(dev); + + if (netif_running(netdev)) + return sprintf(buf, fmt_dec, !!netif_dormant(netdev)); + + return -EINVAL; +} + +static const char *operstates[] = { + "unknown", + "notpresent", /* currently unused */ + "down", + "lowerlayerdown", + "testing", /* currently unused */ + "dormant", + "up" +}; + +static ssize_t show_operstate(struct class_device *dev, char *buf) +{ + const struct net_device *netdev = to_net_dev(dev); + unsigned char operstate; + + read_lock(&dev_base_lock); + operstate = netdev->operstate; + if (!netif_running(netdev)) + operstate = IF_OPER_DOWN; + read_unlock(&dev_base_lock); + + if (operstate >= sizeof(operstates)) + return -EINVAL; /* should not happen */ + + return sprintf(buf, "%s\n", operstates[operstate]); +} + /* read-write attributes */ NETDEVICE_SHOW(mtu, fmt_dec); @@ -190,9 +228,12 @@ static struct class_device_attribute net_class_attributes[] = { __ATTR(ifindex, S_IRUGO, show_ifindex, NULL), __ATTR(features, S_IRUGO, show_features, NULL), __ATTR(type, S_IRUGO, show_type, NULL), + __ATTR(link_mode, S_IRUGO, show_link_mode, NULL), __ATTR(address, S_IRUGO, show_address, NULL), __ATTR(broadcast, S_IRUGO, show_broadcast, NULL), __ATTR(carrier, S_IRUGO, show_carrier, NULL), + __ATTR(dormant, S_IRUGO, show_dormant, NULL), + __ATTR(operstate, S_IRUGO, show_operstate, NULL), __ATTR(mtu, S_IRUGO | S_IWUSR, show_mtu, store_mtu), __ATTR(flags, S_IRUGO | S_IWUSR, show_flags, store_flags), __ATTR(tx_queue_len, S_IRUGO | S_IWUSR, show_tx_queue_len, |