diff options
Diffstat (limited to 'drivers/net/bonding/bond_sysfs.c')
| -rw-r--r-- | drivers/net/bonding/bond_sysfs.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c index c311aed9bd02..01b4c3f5d9e7 100644 --- a/drivers/net/bonding/bond_sysfs.c +++ b/drivers/net/bonding/bond_sysfs.c @@ -1592,6 +1592,49 @@ out: static DEVICE_ATTR(all_slaves_active, S_IRUGO | S_IWUSR, bonding_show_slaves_active, bonding_store_slaves_active); +/* + * Show and set the number of IGMP membership reports to send on link failure + */ +static ssize_t bonding_show_resend_igmp(struct device *d, + struct device_attribute *attr, + char *buf) +{ + struct bonding *bond = to_bond(d); + + return sprintf(buf, "%d\n", bond->params.resend_igmp); +} + +static ssize_t bonding_store_resend_igmp(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) { + pr_err("%s: no resend_igmp value specified.\n", + bond->dev->name); + ret = -EINVAL; + goto out; + } + + if (new_value < 0) { + pr_err("%s: Invalid resend_igmp value %d not in range 0-255; rejected.\n", + bond->dev->name, new_value); + ret = -EINVAL; + goto out; + } + + pr_info("%s: Setting resend_igmp to %d.\n", + bond->dev->name, new_value); + bond->params.resend_igmp = new_value; +out: + return ret; +} + +static DEVICE_ATTR(resend_igmp, S_IRUGO | S_IWUSR, + bonding_show_resend_igmp, bonding_store_resend_igmp); + static struct attribute *per_bond_attrs[] = { &dev_attr_slaves.attr, &dev_attr_mode.attr, @@ -1619,6 +1662,7 @@ static struct attribute *per_bond_attrs[] = { &dev_attr_ad_partner_mac.attr, &dev_attr_queue_id.attr, &dev_attr_all_slaves_active.attr, + &dev_attr_resend_igmp.attr, NULL, }; |