diff options
| author | Jay Vosburgh <fubar@us.ibm.com> | 2006-03-27 13:27:43 -0800 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-03-29 17:34:02 -0500 |
| commit | ff59c4563a8d1b39597aab4917959146c61f09b0 (patch) | |
| tree | 5be8ad689d944f27a7b4b4bed2942c3ef47d7a98 /drivers/net/bonding/bond_3ad.c | |
| parent | e21a2b0cc5849e76434b37aff3a4b502c772f191 (diff) | |
| download | linux-ff59c4563a8d1b39597aab4917959146c.tar.gz | |
[PATCH] bonding: support carrier state for master
Add support for the bonding master to specify its carrier state
based upon the state of the slaves. For 802.3ad, the bond is up if
there is an active, parterned aggregator. For other modes, the bond is
up if any slaves are up. Updates driver version to 3.0.3.
Based on a patch by jamal <hadi@cyberus.ca>.
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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 f3f5825469d63..6a407070c2e89 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 |