diff options
Diffstat (limited to 'drivers/net/veth.c')
| -rw-r--r-- | drivers/net/veth.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/veth.c b/drivers/net/veth.c index eee1f19ef1e9..54187b9c0efc 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -434,6 +434,25 @@ static const struct nla_policy veth_policy[VETH_INFO_MAX + 1] = { [VETH_INFO_PEER] = { .len = sizeof(struct ifinfomsg) }, }; +static size_t veth_get_size(const struct net_device *dev) +{ + return nla_total_size(sizeof(u64)) + /* VETH_INFO_PEER */ + 0; +} + +static int veth_fill_info(struct sk_buff *skb, const struct net_device *dev) +{ + struct veth_priv *priv = netdev_priv(dev); + struct net_device *peer = rtnl_dereference(priv->peer); + u64 peer_ifindex; + + peer_ifindex = peer ? peer->ifindex : 0; + if (nla_put_u64(skb, VETH_INFO_PEER, peer_ifindex)) + return -EMSGSIZE; + + return 0; +} + static struct rtnl_link_ops veth_link_ops = { .kind = DRV_NAME, .priv_size = sizeof(struct veth_priv), @@ -443,6 +462,8 @@ static struct rtnl_link_ops veth_link_ops = { .dellink = veth_dellink, .policy = veth_policy, .maxtype = VETH_INFO_MAX, + .get_size = veth_get_size, + .fill_info = veth_fill_info, }; /* |