[IFLA_BOND_PRIMARY] = { .type = NLA_U32 },
[IFLA_BOND_PRIMARY_RESELECT] = { .type = NLA_U8 },
[IFLA_BOND_FAIL_OVER_MAC] = { .type = NLA_U8 },
+ [IFLA_BOND_XMIT_HASH_POLICY] = { .type = NLA_U8 },
};
static int bond_validate(struct nlattr *tb[], struct nlattr *data[])
if (err)
return err;
}
+ if (data[IFLA_BOND_XMIT_HASH_POLICY]) {
+ int xmit_hash_policy =
+ nla_get_u8(data[IFLA_BOND_XMIT_HASH_POLICY]);
+
+ err = bond_option_xmit_hash_policy_set(bond, xmit_hash_policy);
+ if (err)
+ return err;
+ }
return 0;
}
nla_total_size(sizeof(u32)) + /* IFLA_BOND_PRIMARY */
nla_total_size(sizeof(u8)) + /* IFLA_BOND_PRIMARY_RESELECT */
nla_total_size(sizeof(u8)) + /* IFLA_BOND_FAIL_OVER_MAC */
+ nla_total_size(sizeof(u8)) + /* IFLA_BOND_XMIT_HASH_POLICY */
0;
}
bond->params.fail_over_mac))
goto nla_put_failure;
+ if (nla_put_u8(skb, IFLA_BOND_XMIT_HASH_POLICY,
+ bond->params.xmit_policy))
+ goto nla_put_failure;
+
return 0;
nla_put_failure:
return 0;
}
+
+int bond_option_xmit_hash_policy_set(struct bonding *bond, int xmit_hash_policy)
+{
+ bond->params.xmit_policy = xmit_hash_policy;
+ pr_info("%s: setting xmit hash policy to %s (%d).\n",
+ bond->dev->name,
+ xmit_hashtype_tbl[xmit_hash_policy].modename, xmit_hash_policy);
+
+ return 0;
+}
struct device_attribute *attr,
const char *buf, size_t count)
{
- int new_value, ret = count;
+ int new_value, ret;
struct bonding *bond = to_bond(d);
new_value = bond_parse_parm(buf, xmit_hashtype_tbl);
pr_err("%s: Ignoring invalid xmit hash policy value %.*s.\n",
bond->dev->name,
(int)strlen(buf) - 1, buf);
- ret = -EINVAL;
- } else {
- bond->params.xmit_policy = new_value;
- pr_info("%s: setting xmit hash policy to %s (%d).\n",
- bond->dev->name,
- xmit_hashtype_tbl[new_value].modename, new_value);
+ return -EINVAL;
}
+ if (!rtnl_trylock())
+ return restart_syscall();
+
+ ret = bond_option_xmit_hash_policy_set(bond, new_value);
+ if (!ret)
+ ret = count;
+
+ rtnl_unlock();
return ret;
}
static DEVICE_ATTR(xmit_hash_policy, S_IRUGO | S_IWUSR,
int bond_option_primary_reselect_set(struct bonding *bond,
int primary_reselect);
int bond_option_fail_over_mac_set(struct bonding *bond, int fail_over_mac);
+int bond_option_xmit_hash_policy_set(struct bonding *bond,
+ int xmit_hash_policy);
struct net_device *bond_option_active_slave_get_rcu(struct bonding *bond);
struct net_device *bond_option_active_slave_get(struct bonding *bond);
IFLA_BOND_PRIMARY,
IFLA_BOND_PRIMARY_RESELECT,
IFLA_BOND_FAIL_OVER_MAC,
+ IFLA_BOND_XMIT_HASH_POLICY,
__IFLA_BOND_MAX,
};