diff options
Diffstat (limited to 'drivers/net/bonding/bond_3ad.c')
| -rw-r--r-- | drivers/net/bonding/bond_3ad.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c index f3f5825469d6..6a407070c2e8 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c @@ -2294,6 +2294,34 @@ void bond_3ad_handle_link_change(struct slave *slave, char link) port->sm_vars |= AD_PORT_BEGIN; } +/* + * set link state for bonding master: if we have an active partnered + * aggregator, we're up, if not, we're down. Presumes that we cannot + * have an active aggregator if there are no slaves with link up. + * + * Called by bond_set_carrier(). Return zero if carrier state does not + * change, nonzero if it does. + */ +int bond_3ad_set_carrier(struct bonding *bond) +{ + struct aggregator *agg; + + agg = __get_active_agg(&(SLAVE_AD_INFO(bond->first_slave).aggregator)); + if (agg && MAC_ADDRESS_COMPARE(&agg->partner_system, &null_mac_addr)) { + if (!netif_carrier_ok(bond->dev)) { + netif_carrier_on(bond->dev); + return 1; + } + return 0; + } + + if (netif_carrier_ok(bond->dev)) { + netif_carrier_off(bond->dev); + return 1; + } + return 0; +} + /** * bond_3ad_get_active_agg_info - get information of the active aggregator * @bond: bonding struct to work on |