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Diffstat (limited to 'net/core')
-rw-r--r--net/core/net-sysfs.c25
-rw-r--r--net/core/rtnetlink.c13
2 files changed, 35 insertions, 3 deletions
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 7bf8b85ade16..c4a28f4667b6 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -295,10 +295,31 @@ static ssize_t carrier_changes_show(struct device *dev,
struct net_device *netdev = to_net_dev(dev);
return sprintf(buf, fmt_dec,
- atomic_read(&netdev->carrier_changes));
+ atomic_read(&netdev->carrier_up_count) +
+ atomic_read(&netdev->carrier_down_count));
}
static DEVICE_ATTR_RO(carrier_changes);
+static ssize_t carrier_up_count_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct net_device *netdev = to_net_dev(dev);
+
+ return sprintf(buf, fmt_dec, atomic_read(&netdev->carrier_up_count));
+}
+static DEVICE_ATTR_RO(carrier_up_count);
+
+static ssize_t carrier_down_count_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct net_device *netdev = to_net_dev(dev);
+
+ return sprintf(buf, fmt_dec, atomic_read(&netdev->carrier_down_count));
+}
+static DEVICE_ATTR_RO(carrier_down_count);
+
/* read-write attributes */
static int change_mtu(struct net_device *dev, unsigned long new_mtu)
@@ -547,6 +568,8 @@ static struct attribute *net_class_attrs[] __ro_after_init = {
&dev_attr_phys_port_name.attr,
&dev_attr_phys_switch_id.attr,
&dev_attr_proto_down.attr,
+ &dev_attr_carrier_up_count.attr,
+ &dev_attr_carrier_down_count.attr,
NULL,
};
ATTRIBUTE_GROUPS(net_class);
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 16d644a4f974..97874daa1336 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -990,6 +990,8 @@ static noinline size_t if_nlmsg_size(const struct net_device *dev,
+ nla_total_size(4) /* IFLA_NEW_NETNSID */
+ nla_total_size(1) /* IFLA_PROTO_DOWN */
+ nla_total_size(4) /* IFLA_IF_NETNSID */
+ + nla_total_size(4) /* IFLA_CARRIER_UP_COUNT */
+ + nla_total_size(4) /* IFLA_CARRIER_DOWN_COUNT */
+ 0;
}
@@ -1551,8 +1553,13 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb,
nla_put_string(skb, IFLA_QDISC, dev->qdisc->ops->id)) ||
nla_put_ifalias(skb, dev) ||
nla_put_u32(skb, IFLA_CARRIER_CHANGES,
- atomic_read(&dev->carrier_changes)) ||
- nla_put_u8(skb, IFLA_PROTO_DOWN, dev->proto_down))
+ atomic_read(&dev->carrier_up_count) +
+ atomic_read(&dev->carrier_down_count)) ||
+ nla_put_u8(skb, IFLA_PROTO_DOWN, dev->proto_down) ||
+ nla_put_u32(skb, IFLA_CARRIER_UP_COUNT,
+ atomic_read(&dev->carrier_up_count)) ||
+ nla_put_u32(skb, IFLA_CARRIER_DOWN_COUNT,
+ atomic_read(&dev->carrier_down_count)))
goto nla_put_failure;
if (event != IFLA_EVENT_NONE) {
@@ -1656,6 +1663,8 @@ static const struct nla_policy ifla_policy[IFLA_MAX+1] = {
[IFLA_EVENT] = { .type = NLA_U32 },
[IFLA_GROUP] = { .type = NLA_U32 },
[IFLA_IF_NETNSID] = { .type = NLA_S32 },
+ [IFLA_CARRIER_UP_COUNT] = { .type = NLA_U32 },
+ [IFLA_CARRIER_DOWN_COUNT] = { .type = NLA_U32 },
};
static const struct nla_policy ifla_info_policy[IFLA_INFO_MAX+1] = {