summaryrefslogtreecommitdiffstats
path: root/drivers/net/bonding/bond_3ad.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/bonding/bond_3ad.c')
-rw-r--r--drivers/net/bonding/bond_3ad.c90
1 files changed, 51 insertions, 39 deletions
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index 6d20fbde8d43..b667a51ed215 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -181,7 +181,7 @@ static inline int __agg_has_partner(struct aggregator *agg)
*/
static inline void __disable_port(struct port *port)
{
- bond_set_slave_inactive_flags(port->slave);
+ bond_set_slave_inactive_flags(port->slave, BOND_SLAVE_NOTIFY_LATER);
}
/**
@@ -193,7 +193,7 @@ static inline void __enable_port(struct port *port)
struct slave *slave = port->slave;
if ((slave->link == BOND_LINK_UP) && IS_UP(slave->dev))
- bond_set_slave_active_flags(slave);
+ bond_set_slave_active_flags(slave, BOND_SLAVE_NOTIFY_LATER);
}
/**
@@ -768,11 +768,11 @@ static int ad_lacpdu_send(struct port *port)
lacpdu_header = (struct lacpdu_header *)skb_put(skb, length);
- memcpy(lacpdu_header->hdr.h_dest, lacpdu_mcast_addr, ETH_ALEN);
+ ether_addr_copy(lacpdu_header->hdr.h_dest, lacpdu_mcast_addr);
/* Note: source address is set to be the member's PERMANENT address,
* because we use it to identify loopback lacpdus in receive.
*/
- memcpy(lacpdu_header->hdr.h_source, slave->perm_hwaddr, ETH_ALEN);
+ ether_addr_copy(lacpdu_header->hdr.h_source, slave->perm_hwaddr);
lacpdu_header->hdr.h_proto = PKT_TYPE_LACPDU;
lacpdu_header->lacpdu = port->lacpdu;
@@ -810,11 +810,11 @@ static int ad_marker_send(struct port *port, struct bond_marker *marker)
marker_header = (struct bond_marker_header *)skb_put(skb, length);
- memcpy(marker_header->hdr.h_dest, lacpdu_mcast_addr, ETH_ALEN);
+ ether_addr_copy(marker_header->hdr.h_dest, lacpdu_mcast_addr);
/* Note: source address is set to be the member's PERMANENT address,
* because we use it to identify loopback MARKERs in receive.
*/
- memcpy(marker_header->hdr.h_source, slave->perm_hwaddr, ETH_ALEN);
+ ether_addr_copy(marker_header->hdr.h_source, slave->perm_hwaddr);
marker_header->hdr.h_proto = PKT_TYPE_LACPDU;
marker_header->marker = *marker;
@@ -1079,7 +1079,8 @@ static void ad_rx_machine(struct lacpdu *lacpdu, struct port *port)
/* detect loopback situation */
if (MAC_ADDRESS_EQUAL(&(lacpdu->actor_system),
&(port->actor_system))) {
- pr_err("%s: An illegal loopback occurred on adapter (%s).\nCheck the configuration to verify that all adapters are connected to 802.3ad compliant switch ports\n",
+ pr_err("%s: An illegal loopback occurred on adapter (%s)\n"
+ "Check the configuration to verify that all adapters are connected to 802.3ad compliant switch ports\n",
port->slave->bond->dev->name,
port->slave->dev->name);
return;
@@ -1283,11 +1284,11 @@ static void ad_port_selection_logic(struct port *port)
/* meaning: the port was related to an aggregator
* but was not on the aggregator port list
*/
- pr_warn("%s: Warning: Port %d (on %s) was related to aggregator %d but was not on its port list\n",
- port->slave->bond->dev->name,
- port->actor_port_number,
- port->slave->dev->name,
- port->aggregator->aggregator_identifier);
+ pr_warn_ratelimited("%s: Warning: Port %d (on %s) was related to aggregator %d but was not on its port list\n",
+ port->slave->bond->dev->name,
+ port->actor_port_number,
+ port->slave->dev->name,
+ port->aggregator->aggregator_identifier);
}
}
/* search on all aggregators for a suitable aggregator for this port */
@@ -1444,9 +1445,9 @@ static struct aggregator *ad_agg_selection_test(struct aggregator *best,
break;
default:
- pr_warn("%s: Impossible agg select mode %d\n",
- curr->slave->bond->dev->name,
- __get_agg_selection_mode(curr->lag_ports));
+ pr_warn_ratelimited("%s: Impossible agg select mode %d\n",
+ curr->slave->bond->dev->name,
+ __get_agg_selection_mode(curr->lag_ports));
break;
}
@@ -1559,9 +1560,9 @@ static void ad_agg_selection_logic(struct aggregator *agg)
/* check if any partner replys */
if (best->is_individual) {
- pr_warn("%s: Warning: No 802.3ad response from the link partner for any adapters in the bond\n",
- best->slave ?
- best->slave->bond->dev->name : "NULL");
+ pr_warn_ratelimited("%s: Warning: No 802.3ad response from the link partner for any adapters in the bond\n",
+ best->slave ?
+ best->slave->bond->dev->name : "NULL");
}
best->is_active = 1;
@@ -1948,7 +1949,7 @@ void bond_3ad_unbind_slave(struct slave *slave)
* new aggregator
*/
if ((new_aggregator) && ((!new_aggregator->lag_ports) || ((new_aggregator->lag_ports == port) && !new_aggregator->lag_ports->next_port_in_aggregator))) {
- pr_debug("Some port(s) related to LAG %d - replaceing with LAG %d\n",
+ pr_debug("Some port(s) related to LAG %d - replacing with LAG %d\n",
aggregator->aggregator_identifier,
new_aggregator->aggregator_identifier);
@@ -2062,6 +2063,7 @@ void bond_3ad_state_machine_handler(struct work_struct *work)
struct list_head *iter;
struct slave *slave;
struct port *port;
+ bool should_notify_rtnl = BOND_SLAVE_NOTIFY_LATER;
read_lock(&bond->lock);
rcu_read_lock();
@@ -2079,8 +2081,8 @@ void bond_3ad_state_machine_handler(struct work_struct *work)
/* select the active aggregator for the bond */
if (port) {
if (!port->slave) {
- pr_warn("%s: Warning: bond's first port is uninitialized\n",
- bond->dev->name);
+ pr_warn_ratelimited("%s: Warning: bond's first port is uninitialized\n",
+ bond->dev->name);
goto re_arm;
}
@@ -2094,8 +2096,8 @@ void bond_3ad_state_machine_handler(struct work_struct *work)
bond_for_each_slave_rcu(bond, slave, iter) {
port = &(SLAVE_AD_INFO(slave).port);
if (!port->slave) {
- pr_warn("%s: Warning: Found an uninitialized port\n",
- bond->dev->name);
+ pr_warn_ratelimited("%s: Warning: Found an uninitialized port\n",
+ bond->dev->name);
goto re_arm;
}
@@ -2119,8 +2121,19 @@ void bond_3ad_state_machine_handler(struct work_struct *work)
}
re_arm:
+ bond_for_each_slave_rcu(bond, slave, iter) {
+ if (slave->should_notify) {
+ should_notify_rtnl = BOND_SLAVE_NOTIFY_NOW;
+ break;
+ }
+ }
rcu_read_unlock();
read_unlock(&bond->lock);
+
+ if (should_notify_rtnl && rtnl_trylock()) {
+ bond_slave_state_notify(bond);
+ rtnl_unlock();
+ }
queue_delayed_work(bond->wq, &bond->ad_work, ad_delta_in_ticks);
}
@@ -2145,8 +2158,8 @@ static int bond_3ad_rx_indication(struct lacpdu *lacpdu, struct slave *slave,
port = &(SLAVE_AD_INFO(slave).port);
if (!port->slave) {
- pr_warn("%s: Warning: port of slave %s is uninitialized\n",
- slave->dev->name, slave->bond->dev->name);
+ pr_warn_ratelimited("%s: Warning: port of slave %s is uninitialized\n",
+ slave->dev->name, slave->bond->dev->name);
return ret;
}
@@ -2298,9 +2311,9 @@ void bond_3ad_handle_link_change(struct slave *slave, char link)
port->actor_oper_port_key = (port->actor_admin_port_key &=
~AD_SPEED_KEY_BITS);
}
- pr_debug("Port %d changed link status to %s",
- port->actor_port_number,
- (link == BOND_LINK_UP) ? "UP" : "DOWN");
+ pr_debug("Port %d changed link status to %s\n",
+ port->actor_port_number,
+ link == BOND_LINK_UP ? "UP" : "DOWN");
/* there is no need to reselect a new aggregator, just signal the
* state machines to reinitialize
*/
@@ -2378,17 +2391,16 @@ int __bond_3ad_get_active_agg_info(struct bonding *bond,
}
}
- if (aggregator) {
- ad_info->aggregator_id = aggregator->aggregator_identifier;
- ad_info->ports = aggregator->num_of_ports;
- ad_info->actor_key = aggregator->actor_oper_aggregator_key;
- ad_info->partner_key = aggregator->partner_oper_aggregator_key;
- memcpy(ad_info->partner_system,
- aggregator->partner_system.mac_addr_value, ETH_ALEN);
- return 0;
- }
+ if (!aggregator)
+ return -1;
- return -1;
+ ad_info->aggregator_id = aggregator->aggregator_identifier;
+ ad_info->ports = aggregator->num_of_ports;
+ ad_info->actor_key = aggregator->actor_oper_aggregator_key;
+ ad_info->partner_key = aggregator->partner_oper_aggregator_key;
+ ether_addr_copy(ad_info->partner_system,
+ aggregator->partner_system.mac_addr_value);
+ return 0;
}
/* Wrapper used to hold bond->lock so no slave manipulation can occur */
@@ -2467,7 +2479,7 @@ out:
return NETDEV_TX_OK;
err_free:
/* no suitable interface, frame not sent */
- kfree_skb(skb);
+ dev_kfree_skb_any(skb);
goto out;
}