diff options
| -rw-r--r-- | drivers/net/bonding/bond_main.c | 13 | ||||
| -rw-r--r-- | drivers/net/bonding/bond_sysfs.c | 52 | ||||
| -rw-r--r-- | drivers/net/bonding/bonding.h | 4 |
3 files changed, 68 insertions, 1 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index ef6024468d3c..f22f6bf43858 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -106,6 +106,7 @@ static int arp_interval = BOND_LINK_ARP_INTERV; static char *arp_ip_target[BOND_MAX_ARP_TARGETS]; static char *arp_validate; static char *fail_over_mac; +static int all_slaves_active = 0; static struct bond_params bonding_defaults; module_param(max_bonds, int, 0); @@ -155,6 +156,10 @@ module_param(arp_validate, charp, 0); MODULE_PARM_DESC(arp_validate, "validate src/dst of ARP probes: none (default), active, backup or all"); module_param(fail_over_mac, charp, 0); MODULE_PARM_DESC(fail_over_mac, "For active-backup, do not set all slaves to the same MAC. none (default), active or follow"); +module_param(all_slaves_active, int, 0); +MODULE_PARM_DESC(all_slaves_active, "Keep all frames received on an interface" + "by setting active flag for all slaves. " + "0 for never (default), 1 for always."); /*----------------------------- Global variables ----------------------------*/ @@ -4771,6 +4776,13 @@ static int bond_check_params(struct bond_params *params) } } + if ((all_slaves_active != 0) && (all_slaves_active != 1)) { + pr_warning("Warning: all_slaves_active module parameter (%d), " + "not of valid value (0/1), so it was set to " + "0\n", all_slaves_active); + all_slaves_active = 0; + } + /* reset values for TLB/ALB */ if ((bond_mode == BOND_MODE_TLB) || (bond_mode == BOND_MODE_ALB)) { @@ -4941,6 +4953,7 @@ static int bond_check_params(struct bond_params *params) params->primary[0] = 0; params->primary_reselect = primary_reselect_value; params->fail_over_mac = fail_over_mac_value; + params->all_slaves_active = all_slaves_active; if (primary) { strncpy(params->primary, primary, IFNAMSIZ); diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c index 496ac1ec614d..066311a5e084 100644 --- a/drivers/net/bonding/bond_sysfs.c +++ b/drivers/net/bonding/bond_sysfs.c @@ -1411,7 +1411,58 @@ static ssize_t bonding_show_ad_partner_mac(struct device *d, } static DEVICE_ATTR(ad_partner_mac, S_IRUGO, bonding_show_ad_partner_mac, NULL); +/* + * Show and set the all_slaves_active flag. + */ +static ssize_t bonding_show_slaves_active(struct device *d, + struct device_attribute *attr, + char *buf) +{ + struct bonding *bond = to_bond(d); + + return sprintf(buf, "%d\n", bond->params.all_slaves_active); +} + +static ssize_t bonding_store_slaves_active(struct device *d, + struct device_attribute *attr, + const char *buf, size_t count) +{ + int i, new_value, ret = count; + struct bonding *bond = to_bond(d); + struct slave *slave; + + if (sscanf(buf, "%d", &new_value) != 1) { + pr_err("%s: no all_slaves_active value specified.\n", + bond->dev->name); + ret = -EINVAL; + goto out; + } + + if (new_value == bond->params.all_slaves_active) + goto out; + + if ((new_value == 0) || (new_value == 1)) { + bond->params.all_slaves_active = new_value; + } else { + pr_info("%s: Ignoring invalid all_slaves_active value %d.\n", + bond->dev->name, new_value); + ret = -EINVAL; + goto out; + } + bond_for_each_slave(bond, slave, i) { + if (slave->state == BOND_STATE_BACKUP) { + if (new_value) + slave->dev->priv_flags &= ~IFF_SLAVE_INACTIVE; + else + slave->dev->priv_flags |= IFF_SLAVE_INACTIVE; + } + } +out: + return count; +} +static DEVICE_ATTR(all_slaves_active, S_IRUGO | S_IWUSR, + bonding_show_slaves_active, bonding_store_slaves_active); static struct attribute *per_bond_attrs[] = { &dev_attr_slaves.attr, @@ -1438,6 +1489,7 @@ static struct attribute *per_bond_attrs[] = { &dev_attr_ad_actor_key.attr, &dev_attr_ad_partner_key.attr, &dev_attr_ad_partner_mac.attr, + &dev_attr_all_slaves_active.attr, NULL, }; diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h index da809645c483..cecdea2a629f 100644 --- a/drivers/net/bonding/bonding.h +++ b/drivers/net/bonding/bonding.h @@ -131,6 +131,7 @@ struct bond_params { char primary[IFNAMSIZ]; int primary_reselect; __be32 arp_targets[BOND_MAX_ARP_TARGETS]; + int all_slaves_active; }; struct bond_parm_tbl { @@ -290,7 +291,8 @@ static inline void bond_set_slave_inactive_flags(struct slave *slave) struct bonding *bond = netdev_priv(slave->dev->master); if (!bond_is_lb(bond)) slave->state = BOND_STATE_BACKUP; - slave->dev->priv_flags |= IFF_SLAVE_INACTIVE; + if (!bond->params.all_slaves_active) + slave->dev->priv_flags |= IFF_SLAVE_INACTIVE; if (slave_do_arp_validate(bond, slave)) slave->dev->priv_flags |= IFF_SLAVE_NEEDARP; } |