diff options
Diffstat (limited to 'net/core/rtnetlink.c')
| -rw-r--r-- | net/core/rtnetlink.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index e6e7d582f901..4f85de7aca33 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -721,6 +721,28 @@ static size_t rtnl_port_size(const struct net_device *dev) return port_self_size; } +static size_t rtnl_bond_slave_size(const struct net_device *dev) +{ + struct net_device *bond; + size_t slave_size = + nla_total_size(sizeof(struct nlattr)) + /* IFLA_SLAVE */ + nla_total_size(1) + /* IFLA_SLAVE_STATE */ + nla_total_size(1) + /* IFLA_SLAVE_MII_STATUS */ + nla_total_size(4) + /* IFLA_SLAVE_LINK_FAILURE_COUNT */ + nla_total_size(MAX_ADDR_LEN) + /* IFLA_SLAVE_PERM_HWADDR */ + nla_total_size(2) + /* IFLA_SLAVE_QUEUE_ID */ + nla_total_size(2) + /* IFLA_SLAVE_AD_AGGREGATOR_ID */ + 0; + + if (netif_is_bond_slave((struct net_device *)dev)) { + bond = netdev_master_upper_dev_get((struct net_device *)dev); + if (bond && bond->netdev_ops->ndo_get_slave) + return slave_size; + } + + return 0; +} + static noinline size_t if_nlmsg_size(const struct net_device *dev, u32 ext_filter_mask) { @@ -750,6 +772,7 @@ static noinline size_t if_nlmsg_size(const struct net_device *dev, + rtnl_port_size(dev) /* IFLA_VF_PORTS + IFLA_PORT_SELF */ + rtnl_link_get_size(dev) /* IFLA_LINKINFO */ + rtnl_link_get_af_size(dev) /* IFLA_AF_SPEC */ + + rtnl_bond_slave_size(dev) /* IFLA_SLAVE */ + nla_total_size(MAX_PHYS_PORT_ID_LEN); /* IFLA_PHYS_PORT_ID */ } @@ -847,6 +870,34 @@ static int rtnl_phys_port_id_fill(struct sk_buff *skb, struct net_device *dev) return 0; } +static size_t rtnl_bond_slave_fill(struct sk_buff *skb, struct net_device *dev) +{ + struct net_device *bond; + struct nlattr *nest; + int err; + + if (!netif_is_bond_slave(dev)) + return 0; + + bond = netdev_master_upper_dev_get(dev); + if (!bond || !bond->netdev_ops->ndo_get_slave) + return 0; + + nest = nla_nest_start(skb, IFLA_SLAVE); + if (!nest) + return -EMSGSIZE; + + err = bond->netdev_ops->ndo_get_slave(dev, skb); + if (err) { + nla_nest_cancel(skb, nest); + return (err == -EMSGSIZE) ? err : 0; + } + + nla_nest_end(skb, nest); + + return 0; +} + static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev, int type, u32 pid, u32 seq, u32 change, unsigned int flags, u32 ext_filter_mask) @@ -1001,6 +1052,9 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev, if (rtnl_port_fill(skb, dev)) goto nla_put_failure; + if (rtnl_bond_slave_fill(skb, dev)) + goto nla_put_failure; + if (dev->rtnl_link_ops) { if (rtnl_link_fill(skb, dev) < 0) goto nla_put_failure; |
