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bonding: add Netlink support active_slave option

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Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2013-10-18 17:43:39 +02:00 committed by David S. Miller
parent 90af231106
commit ec76aa4985
2 changed files with 23 additions and 1 deletions
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23
drivers/net/bonding/bond_netlink.c
View file

@ -22,6 +22,7 @@
static const struct nla_policy bond_policy[IFLA_BOND_MAX + 1] = {
[IFLA_BOND_MODE] = { .type = NLA_U8 },
[IFLA_BOND_ACTIVE_SLAVE] = { .type = NLA_U32 },
};
static int bond_validate(struct nlattr *tb[], struct nlattr *data[])
@ -48,6 +49,22 @@ static int bond_changelink(struct net_device *bond_dev,
if (err)
return err;
}
if (data && data[IFLA_BOND_ACTIVE_SLAVE]) {
int ifindex = nla_get_u32(data[IFLA_BOND_ACTIVE_SLAVE]);
struct net_device *slave_dev;
if (ifindex == 0) {
slave_dev = NULL;
} else {
slave_dev = __dev_get_by_index(dev_net(bond_dev),
ifindex);
if (!slave_dev)
return -ENODEV;
}
err = bond_option_active_slave_set(bond, slave_dev);
if (err)
return err;
}
return 0;
}
@ -66,14 +83,18 @@ static int bond_newlink(struct net *src_net, struct net_device *bond_dev,
static size_t bond_get_size(const struct net_device *bond_dev)
{
return nla_total_size(sizeof(u8)); /* IFLA_BOND_MODE */
+ nla_total_size(sizeof(u32)); /* IFLA_BOND_ACTIVE_SLAVE */
}
static int bond_fill_info(struct sk_buff *skb,
const struct net_device *bond_dev)
{
struct bonding *bond = netdev_priv(bond_dev);
struct net_device *slave_dev = bond_option_active_slave_get(bond);
if (nla_put_u8(skb, IFLA_BOND_MODE, bond->params.mode))
if (nla_put_u8(skb, IFLA_BOND_MODE, bond->params.mode) ||
(slave_dev &&
nla_put_u32(skb, IFLA_BOND_ACTIVE_SLAVE, slave_dev->ifindex)))
goto nla_put_failure;
return 0;

1
include/uapi/linux/if_link.h
View file

@ -330,6 +330,7 @@ struct ifla_vxlan_port_range {
enum {
IFLA_BOND_UNSPEC,
IFLA_BOND_MODE,
IFLA_BOND_ACTIVE_SLAVE,
__IFLA_BOND_MAX,
};