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| author | Peter Pan(潘卫平) <panweiping3@gmail.com> | 2011-06-08 21:19:01 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-06-09 15:02:18 -0700 |
| commit | ba824a8b2d77942d51ce45ed721f65764c00ab50 (patch) | |
| tree | 87fd6d0d6358faf1fe41e1e5a79e4ff5b5a85397 /drivers/net/bonding | |
| parent | b880a954b9e2585ce325aedd76e4741880cab180 (diff) | |
| download | linux-stable-ba824a8b2d77942d51ce45ed721f65764c00ab50.tar.gz linux-stable-ba824a8b2d77942d51ce45ed721f65764c00ab50.tar.bz2 linux-stable-ba824a8b2d77942d51ce45ed721f65764c00ab50.zip | |
bonding: make 802.3ad use latest lacp_rate
There is bug that when you modify lacp_rate via sysfs,
802.3ad won't use the new value of lacp_rate to transmit packets.
This is because port->actor_oper_port_state isn't changed.
Signed-off-by: Weiping Pan <panweiping3@gmail.com>
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/bonding')
| -rw-r--r-- | drivers/net/bonding/bond_3ad.c | 31 | ||||
| -rw-r--r-- | drivers/net/bonding/bond_3ad.h | 1 | ||||
| -rw-r--r-- | drivers/net/bonding/bond_sysfs.c | 1 |
3 files changed, 33 insertions, 0 deletions
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c index c7537abca4f2..4512bc459d33 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c @@ -2473,3 +2473,34 @@ void bond_3ad_lacpdu_recv(struct sk_buff *skb, struct bonding *bond, bond_3ad_rx_indication((struct lacpdu *) skb->data, slave, skb->len); read_unlock(&bond->lock); } + +/* + * When modify lacp_rate parameter via sysfs, + * update actor_oper_port_state of each port. + * + * Hold slave->state_machine_lock, + * so we can modify port->actor_oper_port_state, + * no matter bond is up or down. + */ +void bond_3ad_update_lacp_rate(struct bonding *bond) +{ + int i; + struct slave *slave; + struct port *port = NULL; + int lacp_fast; + + read_lock(&bond->lock); + lacp_fast = bond->params.lacp_fast; + + bond_for_each_slave(bond, slave, i) { + port = &(SLAVE_AD_INFO(slave).port); + __get_state_machine_lock(port); + if (lacp_fast) + port->actor_oper_port_state |= AD_STATE_LACP_TIMEOUT; + else + port->actor_oper_port_state &= ~AD_STATE_LACP_TIMEOUT; + __release_state_machine_lock(port); + } + + read_unlock(&bond->lock); +} diff --git a/drivers/net/bonding/bond_3ad.h b/drivers/net/bonding/bond_3ad.h index 0ee3f1632c46..e466faf3d6fd 100644 --- a/drivers/net/bonding/bond_3ad.h +++ b/drivers/net/bonding/bond_3ad.h @@ -282,5 +282,6 @@ int bond_3ad_xmit_xor(struct sk_buff *skb, struct net_device *dev); void bond_3ad_lacpdu_recv(struct sk_buff *skb, struct bonding *bond, struct slave *slave); int bond_3ad_set_carrier(struct bonding *bond); +void bond_3ad_update_lacp_rate(struct bonding *bond); #endif //__BOND_3AD_H__ diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c index 88fcb25e554a..03d1196b844d 100644 --- a/drivers/net/bonding/bond_sysfs.c +++ b/drivers/net/bonding/bond_sysfs.c @@ -804,6 +804,7 @@ static ssize_t bonding_store_lacp(struct device *d, if ((new_value == 1) || (new_value == 0)) { bond->params.lacp_fast = new_value; + bond_3ad_update_lacp_rate(bond); pr_info("%s: Setting LACP rate to %s (%d).\n", bond->dev->name, bond_lacp_tbl[new_value].modename, new_value); |