bonding: add Netlink support active_slave option
Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
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90af231106
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ec76aa4985
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@ -22,6 +22,7 @@
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static const struct nla_policy bond_policy[IFLA_BOND_MAX + 1] = {
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[IFLA_BOND_MODE] = { .type = NLA_U8 },
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[IFLA_BOND_ACTIVE_SLAVE] = { .type = NLA_U32 },
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};
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static int bond_validate(struct nlattr *tb[], struct nlattr *data[])
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@ -48,6 +49,22 @@ static int bond_changelink(struct net_device *bond_dev,
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if (err)
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return err;
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}
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if (data && data[IFLA_BOND_ACTIVE_SLAVE]) {
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int ifindex = nla_get_u32(data[IFLA_BOND_ACTIVE_SLAVE]);
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struct net_device *slave_dev;
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if (ifindex == 0) {
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slave_dev = NULL;
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} else {
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slave_dev = __dev_get_by_index(dev_net(bond_dev),
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ifindex);
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if (!slave_dev)
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return -ENODEV;
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}
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err = bond_option_active_slave_set(bond, slave_dev);
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if (err)
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return err;
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}
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return 0;
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}
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@ -66,14 +83,18 @@ static int bond_newlink(struct net *src_net, struct net_device *bond_dev,
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static size_t bond_get_size(const struct net_device *bond_dev)
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{
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return nla_total_size(sizeof(u8)); /* IFLA_BOND_MODE */
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+ nla_total_size(sizeof(u32)); /* IFLA_BOND_ACTIVE_SLAVE */
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}
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static int bond_fill_info(struct sk_buff *skb,
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const struct net_device *bond_dev)
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{
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struct bonding *bond = netdev_priv(bond_dev);
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struct net_device *slave_dev = bond_option_active_slave_get(bond);
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if (nla_put_u8(skb, IFLA_BOND_MODE, bond->params.mode))
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if (nla_put_u8(skb, IFLA_BOND_MODE, bond->params.mode) ||
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(slave_dev &&
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nla_put_u32(skb, IFLA_BOND_ACTIVE_SLAVE, slave_dev->ifindex)))
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goto nla_put_failure;
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return 0;
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@ -330,6 +330,7 @@ struct ifla_vxlan_port_range {
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enum {
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IFLA_BOND_UNSPEC,
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IFLA_BOND_MODE,
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IFLA_BOND_ACTIVE_SLAVE,
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__IFLA_BOND_MAX,
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};
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