bonding: add Netlink support mode option
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bonding/bond_netlink.c b/drivers/net/bonding/bond_netlink.c
index 3e5c5f8..a94f870 100644
--- a/drivers/net/bonding/bond_netlink.c
+++ b/drivers/net/bonding/bond_netlink.c
@@ -20,6 +20,10 @@
#include <net/rtnetlink.h>
#include "bonding.h"
+static const struct nla_policy bond_policy[IFLA_BOND_MAX + 1] = {
+ [IFLA_BOND_MODE] = { .type = NLA_U8 },
+};
+
static int bond_validate(struct nlattr *tb[], struct nlattr *data[])
{
if (tb[IFLA_ADDRESS]) {
@@ -31,11 +35,63 @@
return 0;
}
+static int bond_changelink(struct net_device *bond_dev,
+ struct nlattr *tb[], struct nlattr *data[])
+{
+ struct bonding *bond = netdev_priv(bond_dev);
+ int err;
+
+ if (data && data[IFLA_BOND_MODE]) {
+ int mode = nla_get_u8(data[IFLA_BOND_MODE]);
+
+ err = bond_option_mode_set(bond, mode);
+ if (err)
+ return err;
+ }
+ return 0;
+}
+
+static int bond_newlink(struct net *src_net, struct net_device *bond_dev,
+ struct nlattr *tb[], struct nlattr *data[])
+{
+ int err;
+
+ err = bond_changelink(bond_dev, tb, data);
+ if (err < 0)
+ return err;
+
+ return register_netdevice(bond_dev);
+}
+
+static size_t bond_get_size(const struct net_device *bond_dev)
+{
+ return nla_total_size(sizeof(u8)); /* IFLA_BOND_MODE */
+}
+
+static int bond_fill_info(struct sk_buff *skb,
+ const struct net_device *bond_dev)
+{
+ struct bonding *bond = netdev_priv(bond_dev);
+
+ if (nla_put_u8(skb, IFLA_BOND_MODE, bond->params.mode))
+ goto nla_put_failure;
+ return 0;
+
+nla_put_failure:
+ return -EMSGSIZE;
+}
+
struct rtnl_link_ops bond_link_ops __read_mostly = {
.kind = "bond",
.priv_size = sizeof(struct bonding),
.setup = bond_setup,
+ .maxtype = IFLA_BOND_MAX,
+ .policy = bond_policy,
.validate = bond_validate,
+ .newlink = bond_newlink,
+ .changelink = bond_changelink,
+ .get_size = bond_get_size,
+ .fill_info = bond_fill_info,
.get_num_tx_queues = bond_get_num_tx_queues,
.get_num_rx_queues = bond_get_num_tx_queues, /* Use the same number
as for TX queues */