diff options
Diffstat (limited to 'drivers/net/bonding/bond_sysfs.c')
| -rw-r--r-- | drivers/net/bonding/bond_sysfs.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c index 1f02857..7a61e9a 100644 --- a/drivers/net/bonding/bond_sysfs.c +++ b/drivers/net/bonding/bond_sysfs.c @@ -951,6 +951,45 @@ out: static DEVICE_ATTR(lacp_rate, S_IRUGO | S_IWUSR, bonding_show_lacp, bonding_store_lacp); /* + * Show and set the number of grat ARP to send after a failover event. + */ +static ssize_t bonding_show_n_grat_arp(struct device *d, + struct device_attribute *attr, + char *buf) +{ + struct bonding *bond = to_bond(d); + + return sprintf(buf, "%d\n", bond->params.num_grat_arp); +} + +static ssize_t bonding_store_n_grat_arp(struct device *d, + struct device_attribute *attr, + const char *buf, size_t count) +{ + int new_value, ret = count; + struct bonding *bond = to_bond(d); + + if (sscanf(buf, "%d", &new_value) != 1) { + printk(KERN_ERR DRV_NAME + ": %s: no num_grat_arp value specified.\n", + bond->dev->name); + ret = -EINVAL; + goto out; + } + if (new_value < 0 || new_value > 255) { + printk(KERN_ERR DRV_NAME + ": %s: Invalid num_grat_arp value %d not in range 0-255; rejected.\n", + bond->dev->name, new_value); + ret = -EINVAL; + goto out; + } else { + bond->params.num_grat_arp = new_value; + } +out: + return ret; +} +static DEVICE_ATTR(num_grat_arp, S_IRUGO | S_IWUSR, bonding_show_n_grat_arp, bonding_store_n_grat_arp); +/* * Show and set the MII monitor interval. There are two tricky bits * here. First, if MII monitoring is activated, then we must disable * ARP monitoring. Second, if the timer isn't running, we must @@ -1387,6 +1426,7 @@ static struct attribute *per_bond_attrs[] = { &dev_attr_updelay.attr, &dev_attr_lacp_rate.attr, &dev_attr_xmit_hash_policy.attr, + &dev_attr_num_grat_arp.attr, &dev_attr_miimon.attr, &dev_attr_primary.attr, &dev_attr_use_carrier.attr, |