diff options
| author | Nils Carlson <nils.carlson@ericsson.com> | 2011-03-03 22:09:12 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-03-07 16:02:18 -0800 |
| commit | 9ac3524a948cab48137a8b40a4fa8ae1092b0a24 (patch) | |
| tree | ab03bb4ace08ee4803b01d75e1f85d7e4de7b308 /drivers/net | |
| parent | 16d79d7dc98e56d4700054b9b785a92102d8998c (diff) | |
bonding 802.3ad: Rename rx_machine_lock to state_machine_lock
Rename the rx_machine_lock to state_machine_lock as this makes more
sense in light of it now protecting all the state machines against
concurrency.
Signed-off-by: Nils Carlson <nils.carlson@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/bonding/bond_3ad.c | 24 | ||||
| -rw-r--r-- | drivers/net/bonding/bond_3ad.h | 3 |
2 files changed, 14 insertions, 13 deletions
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c index de30c8d6301..a5d5d0b5b15 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c @@ -281,23 +281,23 @@ static inline int __check_agg_selection_timer(struct port *port) } /** - * __get_rx_machine_lock - lock the port's RX machine + * __get_state_machine_lock - lock the port's state machines * @port: the port we're looking at * */ -static inline void __get_rx_machine_lock(struct port *port) +static inline void __get_state_machine_lock(struct port *port) { - spin_lock_bh(&(SLAVE_AD_INFO(port->slave).rx_machine_lock)); + spin_lock_bh(&(SLAVE_AD_INFO(port->slave).state_machine_lock)); } /** - * __release_rx_machine_lock - unlock the port's RX machine + * __release_state_machine_lock - unlock the port's state machines * @port: the port we're looking at * */ -static inline void __release_rx_machine_lock(struct port *port) +static inline void __release_state_machine_lock(struct port *port) { - spin_unlock_bh(&(SLAVE_AD_INFO(port->slave).rx_machine_lock)); + spin_unlock_bh(&(SLAVE_AD_INFO(port->slave).state_machine_lock)); } /** @@ -388,14 +388,14 @@ static u8 __get_duplex(struct port *port) } /** - * __initialize_port_locks - initialize a port's RX machine spinlock + * __initialize_port_locks - initialize a port's STATE machine spinlock * @port: the port we're looking at * */ static inline void __initialize_port_locks(struct port *port) { // make sure it isn't called twice - spin_lock_init(&(SLAVE_AD_INFO(port->slave).rx_machine_lock)); + spin_lock_init(&(SLAVE_AD_INFO(port->slave).state_machine_lock)); } //conversions @@ -2154,7 +2154,7 @@ void bond_3ad_state_machine_handler(struct work_struct *work) * by all (e.g., port->sm_vars). ad_rx_machine may run * concurrently due to incoming LACPDU. */ - __get_rx_machine_lock(port); + __get_state_machine_lock(port); ad_rx_machine(NULL, port); ad_periodic_machine(port); @@ -2166,7 +2166,7 @@ void bond_3ad_state_machine_handler(struct work_struct *work) if (port->sm_vars & AD_PORT_BEGIN) port->sm_vars &= ~AD_PORT_BEGIN; - __release_rx_machine_lock(port); + __release_state_machine_lock(port); } re_arm: @@ -2204,9 +2204,9 @@ static void bond_3ad_rx_indication(struct lacpdu *lacpdu, struct slave *slave, u pr_debug("Received LACPDU on port %d\n", port->actor_port_number); /* Protect against concurrent state machines */ - __get_rx_machine_lock(port); + __get_state_machine_lock(port); ad_rx_machine(lacpdu, port); - __release_rx_machine_lock(port); + __release_state_machine_lock(port); break; case AD_TYPE_MARKER: diff --git a/drivers/net/bonding/bond_3ad.h b/drivers/net/bonding/bond_3ad.h index 2c46a154f2c..b28baff7086 100644 --- a/drivers/net/bonding/bond_3ad.h +++ b/drivers/net/bonding/bond_3ad.h @@ -264,7 +264,8 @@ struct ad_bond_info { struct ad_slave_info { struct aggregator aggregator; // 802.3ad aggregator structure struct port port; // 802.3ad port structure - spinlock_t rx_machine_lock; // To avoid race condition between callback and receive interrupt + spinlock_t state_machine_lock; /* mutex state machines vs. + incoming LACPDU */ u16 id; }; |