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-rw-r--r--net/core/rtnetlink.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index e7c6006bc3ea..d4ff41739b0f 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -822,6 +822,7 @@ static noinline size_t if_nlmsg_size(const struct net_device *dev,
+ nla_total_size(4) /* IFLA_NUM_RX_QUEUES */
+ nla_total_size(1) /* IFLA_OPERSTATE */
+ nla_total_size(1) /* IFLA_LINKMODE */
+ + nla_total_size(4) /* IFLA_CARRIER_CHANGES */
+ nla_total_size(ext_filter_mask
& RTEXT_FILTER_VF ? 4 : 0) /* IFLA_NUM_VF */
+ rtnl_vfinfo_size(dev, ext_filter_mask) /* IFLA_VFINFO_LIST */
@@ -970,7 +971,9 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
(dev->qdisc &&
nla_put_string(skb, IFLA_QDISC, dev->qdisc->ops->id)) ||
(dev->ifalias &&
- nla_put_string(skb, IFLA_IFALIAS, dev->ifalias)))
+ nla_put_string(skb, IFLA_IFALIAS, dev->ifalias)) ||
+ nla_put_u32(skb, IFLA_CARRIER_CHANGES,
+ atomic_read(&dev->carrier_changes)))
goto nla_put_failure;
if (1) {
@@ -1147,6 +1150,7 @@ static const struct nla_policy ifla_policy[IFLA_MAX+1] = {
[IFLA_NUM_TX_QUEUES] = { .type = NLA_U32 },
[IFLA_NUM_RX_QUEUES] = { .type = NLA_U32 },
[IFLA_PHYS_PORT_ID] = { .type = NLA_BINARY, .len = MAX_PHYS_PORT_ID_LEN },
+ [IFLA_CARRIER_CHANGES] = { .type = NLA_U32 }, /* ignored */
};
static const struct nla_policy ifla_info_policy[IFLA_INFO_MAX+1] = {