int bond_option_mode_set(struct bonding *bond, int mode)
{
if (!bond_mode_is_valid(mode)) {
pr_err("invalid mode value %d.\n", mode);
return -EINVAL;
}
if (bond->dev->flags & IFF_UP) {
pr_err("%s: unable to update mode because interface is up.\n",
bond->dev->name);
return -EPERM;
}
if (bond_has_slaves(bond)) {
pr_err("%s: unable to update mode because bond has slaves.\n",
bond->dev->name);
return -EPERM;
}
if (BOND_NO_USES_ARP(mode) && bond->params.arp_interval) {
pr_info("%s: %s mode is incompatible with arp monitoring, start mii monitoring\n",
bond->dev->name, bond_mode_tbl[mode].modename);
/* disable arp monitoring */
bond->params.arp_interval = 0;
/* set miimon to default value */
bond->params.miimon = BOND_DEFAULT_MIIMON;
pr_info("%s: Setting MII monitoring interval to %d.\n",
bond->dev->name, bond->params.miimon);
}
/* don't cache arp_validate between modes */
bond->params.arp_validate = BOND_ARP_VALIDATE_NONE;
bond->params.mode = mode;
return 0;
}
int bond_option_mode_set(struct bonding *bond, struct bond_opt_value *newval)
{
if (BOND_NO_USES_ARP(newval->value) && bond->params.arp_interval) {
pr_info("%s: %s mode is incompatible with arp monitoring, start mii monitoring\n",
bond->dev->name, newval->string);
/* disable arp monitoring */
bond->params.arp_interval = 0;
/* set miimon to default value */
bond->params.miimon = BOND_DEFAULT_MIIMON;
pr_info("%s: Setting MII monitoring interval to %d.\n",
bond->dev->name, bond->params.miimon);
}
/* don't cache arp_validate between modes */
bond->params.arp_validate = BOND_ARP_VALIDATE_NONE;
bond->params.mode = newval->value;
return 0;
}
