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path: root/drivers/net/bonding/bond_3ad.c
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Diffstat (limited to 'drivers/net/bonding/bond_3ad.c')
-rw-r--r--drivers/net/bonding/bond_3ad.c171
1 files changed, 94 insertions, 77 deletions
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index d69e6838f21e..822f586d72af 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -20,6 +20,8 @@
*
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/skbuff.h>
#include <linux/if_ether.h>
#include <linux/netdevice.h>
@@ -352,7 +354,8 @@ static u16 __get_link_speed(struct port *port)
}
}
- pr_debug("Port %d Received link speed %d update from adapter\n", port->actor_port_number, speed);
+ pr_debug("Port %d Received link speed %d update from adapter\n",
+ port->actor_port_number, speed);
return speed;
}
@@ -378,12 +381,14 @@ static u8 __get_duplex(struct port *port)
switch (slave->duplex) {
case DUPLEX_FULL:
retval=0x1;
- pr_debug("Port %d Received status full duplex update from adapter\n", port->actor_port_number);
+ pr_debug("Port %d Received status full duplex update from adapter\n",
+ port->actor_port_number);
break;
case DUPLEX_HALF:
default:
retval=0x0;
- pr_debug("Port %d Received status NOT full duplex update from adapter\n", port->actor_port_number);
+ pr_debug("Port %d Received status NOT full duplex update from adapter\n",
+ port->actor_port_number);
break;
}
}
@@ -980,7 +985,9 @@ static void ad_mux_machine(struct port *port)
// check if the state machine was changed
if (port->sm_mux_state != last_state) {
- pr_debug("Mux Machine: Port=%d, Last State=%d, Curr State=%d\n", port->actor_port_number, last_state, port->sm_mux_state);
+ pr_debug("Mux Machine: Port=%d, Last State=%d, Curr State=%d\n",
+ port->actor_port_number, last_state,
+ port->sm_mux_state);
switch (port->sm_mux_state) {
case AD_MUX_DETACHED:
__detach_bond_from_agg(port);
@@ -1079,7 +1086,9 @@ static void ad_rx_machine(struct lacpdu *lacpdu, struct port *port)
// check if the State machine was changed or new lacpdu arrived
if ((port->sm_rx_state != last_state) || (lacpdu)) {
- pr_debug("Rx Machine: Port=%d, Last State=%d, Curr State=%d\n", port->actor_port_number, last_state, port->sm_rx_state);
+ pr_debug("Rx Machine: Port=%d, Last State=%d, Curr State=%d\n",
+ port->actor_port_number, last_state,
+ port->sm_rx_state);
switch (port->sm_rx_state) {
case AD_RX_INITIALIZE:
if (!(port->actor_oper_port_key & AD_DUPLEX_KEY_BITS)) {
@@ -1126,9 +1135,8 @@ static void ad_rx_machine(struct lacpdu *lacpdu, struct port *port)
// detect loopback situation
if (!MAC_ADDRESS_COMPARE(&(lacpdu->actor_system), &(port->actor_system))) {
// INFO_RECEIVED_LOOPBACK_FRAMES
- pr_err(DRV_NAME ": %s: An illegal loopback occurred on "
- "adapter (%s). Check 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->dev->master->name, port->slave->dev->name);
__release_rx_machine_lock(port);
return;
@@ -1166,7 +1174,8 @@ static void ad_tx_machine(struct port *port)
__update_lacpdu_from_port(port);
if (ad_lacpdu_send(port) >= 0) {
- pr_debug("Sent LACPDU on port %d\n", port->actor_port_number);
+ pr_debug("Sent LACPDU on port %d\n",
+ port->actor_port_number);
/* mark ntt as false, so it will not be sent again until
demanded */
@@ -1241,7 +1250,9 @@ static void ad_periodic_machine(struct port *port)
// check if the state machine was changed
if (port->sm_periodic_state != last_state) {
- pr_debug("Periodic Machine: Port=%d, Last State=%d, Curr State=%d\n", port->actor_port_number, last_state, port->sm_periodic_state);
+ pr_debug("Periodic Machine: Port=%d, Last State=%d, Curr State=%d\n",
+ port->actor_port_number, last_state,
+ port->sm_periodic_state);
switch (port->sm_periodic_state) {
case AD_NO_PERIODIC:
port->sm_periodic_timer_counter = 0; // zero timer
@@ -1298,7 +1309,9 @@ static void ad_port_selection_logic(struct port *port)
port->next_port_in_aggregator=NULL;
port->actor_port_aggregator_identifier=0;
- pr_debug("Port %d left LAG %d\n", port->actor_port_number, temp_aggregator->aggregator_identifier);
+ pr_debug("Port %d left LAG %d\n",
+ port->actor_port_number,
+ temp_aggregator->aggregator_identifier);
// if the aggregator is empty, clear its parameters, and set it ready to be attached
if (!temp_aggregator->lag_ports) {
ad_clear_agg(temp_aggregator);
@@ -1307,9 +1320,7 @@ static void ad_port_selection_logic(struct port *port)
}
}
if (!curr_port) { // meaning: the port was related to an aggregator but was not on the aggregator port list
- pr_warning(DRV_NAME ": %s: Warning: Port %d (on %s) "
- "was related to aggregator %d but was not "
- "on its port list\n",
+ pr_warning("%s: Warning: Port %d (on %s) was related to aggregator %d but was not on its port list\n",
port->slave->dev->master->name,
port->actor_port_number,
port->slave->dev->name,
@@ -1343,7 +1354,9 @@ static void ad_port_selection_logic(struct port *port)
port->next_port_in_aggregator=aggregator->lag_ports;
port->aggregator->num_of_ports++;
aggregator->lag_ports=port;
- pr_debug("Port %d joined LAG %d(existing LAG)\n", port->actor_port_number, port->aggregator->aggregator_identifier);
+ pr_debug("Port %d joined LAG %d(existing LAG)\n",
+ port->actor_port_number,
+ port->aggregator->aggregator_identifier);
// mark this port as selected
port->sm_vars |= AD_PORT_SELECTED;
@@ -1380,10 +1393,11 @@ static void ad_port_selection_logic(struct port *port)
// mark this port as selected
port->sm_vars |= AD_PORT_SELECTED;
- pr_debug("Port %d joined LAG %d(new LAG)\n", port->actor_port_number, port->aggregator->aggregator_identifier);
+ pr_debug("Port %d joined LAG %d(new LAG)\n",
+ port->actor_port_number,
+ port->aggregator->aggregator_identifier);
} else {
- pr_err(DRV_NAME ": %s: Port %d (on %s) did not find "
- "a suitable aggregator\n",
+ pr_err("%s: Port %d (on %s) did not find a suitable aggregator\n",
port->slave->dev->master->name,
port->actor_port_number, port->slave->dev->name);
}
@@ -1460,8 +1474,7 @@ static struct aggregator *ad_agg_selection_test(struct aggregator *best,
break;
default:
- pr_warning(DRV_NAME
- ": %s: Impossible agg select mode %d\n",
+ pr_warning("%s: Impossible agg select mode %d\n",
curr->slave->dev->master->name,
__get_agg_selection_mode(curr->lag_ports));
break;
@@ -1546,40 +1559,38 @@ static void ad_agg_selection_logic(struct aggregator *agg)
// if there is new best aggregator, activate it
if (best) {
pr_debug("best Agg=%d; P=%d; a k=%d; p k=%d; Ind=%d; Act=%d\n",
- best->aggregator_identifier, best->num_of_ports,
- best->actor_oper_aggregator_key,
- best->partner_oper_aggregator_key,
- best->is_individual, best->is_active);
+ best->aggregator_identifier, best->num_of_ports,
+ best->actor_oper_aggregator_key,
+ best->partner_oper_aggregator_key,
+ best->is_individual, best->is_active);
pr_debug("best ports %p slave %p %s\n",
- best->lag_ports, best->slave,
- best->slave ? best->slave->dev->name : "NULL");
+ best->lag_ports, best->slave,
+ best->slave ? best->slave->dev->name : "NULL");
for (agg = __get_first_agg(best->lag_ports); agg;
agg = __get_next_agg(agg)) {
pr_debug("Agg=%d; P=%d; a k=%d; p k=%d; Ind=%d; Act=%d\n",
- agg->aggregator_identifier, agg->num_of_ports,
- agg->actor_oper_aggregator_key,
- agg->partner_oper_aggregator_key,
- agg->is_individual, agg->is_active);
+ agg->aggregator_identifier, agg->num_of_ports,
+ agg->actor_oper_aggregator_key,
+ agg->partner_oper_aggregator_key,
+ agg->is_individual, agg->is_active);
}
// check if any partner replys
if (best->is_individual) {
- pr_warning(DRV_NAME ": %s: Warning: No 802.3ad"
- " response from the link partner for any"
- " adapters in the bond\n",
- best->slave->dev->master->name);
+ pr_warning("%s: Warning: No 802.3ad response from the link partner for any adapters in the bond\n",
+ best->slave ? best->slave->dev->master->name : "NULL");
}
best->is_active = 1;
pr_debug("LAG %d chosen as the active LAG\n",
- best->aggregator_identifier);
+ best->aggregator_identifier);
pr_debug("Agg=%d; P=%d; a k=%d; p k=%d; Ind=%d; Act=%d\n",
- best->aggregator_identifier, best->num_of_ports,
- best->actor_oper_aggregator_key,
- best->partner_oper_aggregator_key,
- best->is_individual, best->is_active);
+ best->aggregator_identifier, best->num_of_ports,
+ best->actor_oper_aggregator_key,
+ best->partner_oper_aggregator_key,
+ best->is_individual, best->is_active);
// disable the ports that were related to the former active_aggregator
if (active) {
@@ -1633,7 +1644,8 @@ static void ad_clear_agg(struct aggregator *aggregator)
aggregator->lag_ports = NULL;
aggregator->is_active = 0;
aggregator->num_of_ports = 0;
- pr_debug("LAG %d was cleared\n", aggregator->aggregator_identifier);
+ pr_debug("LAG %d was cleared\n",
+ aggregator->aggregator_identifier);
}
}
@@ -1728,7 +1740,9 @@ static void ad_initialize_port(struct port *port, int lacp_fast)
static void ad_enable_collecting_distributing(struct port *port)
{
if (port->aggregator->is_active) {
- pr_debug("Enabling port %d(LAG %d)\n", port->actor_port_number, port->aggregator->aggregator_identifier);
+ pr_debug("Enabling port %d(LAG %d)\n",
+ port->actor_port_number,
+ port->aggregator->aggregator_identifier);
__enable_port(port);
}
}
@@ -1741,7 +1755,9 @@ static void ad_enable_collecting_distributing(struct port *port)
static void ad_disable_collecting_distributing(struct port *port)
{
if (port->aggregator && MAC_ADDRESS_COMPARE(&(port->aggregator->partner_system), &(null_mac_addr))) {
- pr_debug("Disabling port %d(LAG %d)\n", port->actor_port_number, port->aggregator->aggregator_identifier);
+ pr_debug("Disabling port %d(LAG %d)\n",
+ port->actor_port_number,
+ port->aggregator->aggregator_identifier);
__disable_port(port);
}
}
@@ -1779,7 +1795,8 @@ static void ad_marker_info_send(struct port *port)
// send the marker information
if (ad_marker_send(port, &marker) >= 0) {
- pr_debug("Sent Marker Information on port %d\n", port->actor_port_number);
+ pr_debug("Sent Marker Information on port %d\n",
+ port->actor_port_number);
}
}
#endif
@@ -1803,7 +1820,8 @@ static void ad_marker_info_received(struct bond_marker *marker_info,
// send the marker response
if (ad_marker_send(port, &marker) >= 0) {
- pr_debug("Sent Marker Response on port %d\n", port->actor_port_number);
+ pr_debug("Sent Marker Response on port %d\n",
+ port->actor_port_number);
}
}
@@ -1889,8 +1907,7 @@ int bond_3ad_bind_slave(struct slave *slave)
struct aggregator *aggregator;
if (bond == NULL) {
- pr_err(DRV_NAME ": %s: The slave %s is not attached to "
- "its bond\n",
+ pr_err("%s: The slave %s is not attached to its bond\n",
slave->dev->master->name, slave->dev->name);
return -1;
}
@@ -1966,13 +1983,13 @@ void bond_3ad_unbind_slave(struct slave *slave)
// if slave is null, the whole port is not initialized
if (!port->slave) {
- pr_warning(DRV_NAME ": Warning: %s: Trying to "
- "unbind an uninitialized port on %s\n",
+ pr_warning("Warning: %s: Trying to unbind an uninitialized port on %s\n",
slave->dev->master->name, slave->dev->name);
return;
}
- pr_debug("Unbinding Link Aggregation Group %d\n", aggregator->aggregator_identifier);
+ pr_debug("Unbinding Link Aggregation Group %d\n",
+ aggregator->aggregator_identifier);
/* Tell the partner that this port is not suitable for aggregation */
port->actor_oper_port_state &= ~AD_STATE_AGGREGATION;
@@ -1996,10 +2013,12 @@ void bond_3ad_unbind_slave(struct slave *slave)
// if new aggregator found, copy the aggregator's parameters
// and connect the related lag_ports to the 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", aggregator->aggregator_identifier, new_aggregator->aggregator_identifier);
+ pr_debug("Some port(s) related to LAG %d - replaceing with LAG %d\n",
+ aggregator->aggregator_identifier,
+ new_aggregator->aggregator_identifier);
if ((new_aggregator->lag_ports == port) && new_aggregator->is_active) {
- pr_info(DRV_NAME ": %s: Removing an active aggregator\n",
+ pr_info("%s: Removing an active aggregator\n",
aggregator->slave->dev->master->name);
// select new active aggregator
select_new_active_agg = 1;
@@ -2030,8 +2049,7 @@ void bond_3ad_unbind_slave(struct slave *slave)
ad_agg_selection_logic(__get_first_agg(port));
}
} else {
- pr_warning(DRV_NAME ": %s: Warning: unbinding aggregator, "
- "and could not find a new aggregator for its ports\n",
+ pr_warning("%s: Warning: unbinding aggregator, and could not find a new aggregator for its ports\n",
slave->dev->master->name);
}
} else { // in case that the only port related to this aggregator is the one we want to remove
@@ -2039,7 +2057,7 @@ void bond_3ad_unbind_slave(struct slave *slave)
// clear the aggregator
ad_clear_agg(aggregator);
if (select_new_active_agg) {
- pr_info(DRV_NAME ": %s: Removing an active aggregator\n",
+ pr_info("%s: Removing an active aggregator\n",
slave->dev->master->name);
// select new active aggregator
ad_agg_selection_logic(__get_first_agg(port));
@@ -2066,7 +2084,7 @@ void bond_3ad_unbind_slave(struct slave *slave)
// clear the aggregator
ad_clear_agg(temp_aggregator);
if (select_new_active_agg) {
- pr_info(DRV_NAME ": %s: Removing an active aggregator\n",
+ pr_info("%s: Removing an active aggregator\n",
slave->dev->master->name);
// select new active aggregator
ad_agg_selection_logic(__get_first_agg(port));
@@ -2115,8 +2133,8 @@ void bond_3ad_state_machine_handler(struct work_struct *work)
// select the active aggregator for the bond
if ((port = __get_first_port(bond))) {
if (!port->slave) {
- pr_warning(DRV_NAME ": %s: Warning: bond's first port is "
- "uninitialized\n", bond->dev->name);
+ pr_warning("%s: Warning: bond's first port is uninitialized\n",
+ bond->dev->name);
goto re_arm;
}
@@ -2129,8 +2147,8 @@ void bond_3ad_state_machine_handler(struct work_struct *work)
// for each port run the state machines
for (port = __get_first_port(bond); port; port = __get_next_port(port)) {
if (!port->slave) {
- pr_warning(DRV_NAME ": %s: Warning: Found an uninitialized "
- "port\n", bond->dev->name);
+ pr_warning("%s: Warning: Found an uninitialized port\n",
+ bond->dev->name);
goto re_arm;
}
@@ -2171,15 +2189,15 @@ static void bond_3ad_rx_indication(struct lacpdu *lacpdu, struct slave *slave, u
port = &(SLAVE_AD_INFO(slave).port);
if (!port->slave) {
- pr_warning(DRV_NAME ": %s: Warning: port of slave %s "
- "is uninitialized\n",
+ pr_warning("%s: Warning: port of slave %s is uninitialized\n",
slave->dev->name, slave->dev->master->name);
return;
}
switch (lacpdu->subtype) {
case AD_TYPE_LACPDU:
- pr_debug("Received LACPDU on port %d\n", port->actor_port_number);
+ pr_debug("Received LACPDU on port %d\n",
+ port->actor_port_number);
ad_rx_machine(lacpdu, port);
break;
@@ -2188,17 +2206,20 @@ static void bond_3ad_rx_indication(struct lacpdu *lacpdu, struct slave *slave, u
switch (((struct bond_marker *)lacpdu)->tlv_type) {
case AD_MARKER_INFORMATION_SUBTYPE:
- pr_debug("Received Marker Information on port %d\n", port->actor_port_number);
+ pr_debug("Received Marker Information on port %d\n",
+ port->actor_port_number);
ad_marker_info_received((struct bond_marker *)lacpdu, port);
break;
case AD_MARKER_RESPONSE_SUBTYPE:
- pr_debug("Received Marker Response on port %d\n", port->actor_port_number);
+ pr_debug("Received Marker Response on port %d\n",
+ port->actor_port_number);
ad_marker_response_received((struct bond_marker *)lacpdu, port);
break;
default:
- pr_debug("Received an unknown Marker subtype on slot %d\n", port->actor_port_number);
+ pr_debug("Received an unknown Marker subtype on slot %d\n",
+ port->actor_port_number);
}
}
}
@@ -2218,8 +2239,7 @@ void bond_3ad_adapter_speed_changed(struct slave *slave)
// if slave is null, the whole port is not initialized
if (!port->slave) {
- pr_warning(DRV_NAME ": Warning: %s: speed "
- "changed for uninitialized port on %s\n",
+ pr_warning("Warning: %s: speed changed for uninitialized port on %s\n",
slave->dev->master->name, slave->dev->name);
return;
}
@@ -2246,8 +2266,7 @@ void bond_3ad_adapter_duplex_changed(struct slave *slave)
// if slave is null, the whole port is not initialized
if (!port->slave) {
- pr_warning(DRV_NAME ": %s: Warning: duplex changed "
- "for uninitialized port on %s\n",
+ pr_warning("%s: Warning: duplex changed for uninitialized port on %s\n",
slave->dev->master->name, slave->dev->name);
return;
}
@@ -2275,8 +2294,7 @@ void bond_3ad_handle_link_change(struct slave *slave, char link)
// if slave is null, the whole port is not initialized
if (!port->slave) {
- pr_warning(DRV_NAME ": Warning: %s: link status changed for "
- "uninitialized port on %s\n",
+ pr_warning("Warning: %s: link status changed for uninitialized port on %s\n",
slave->dev->master->name, slave->dev->name);
return;
}
@@ -2381,8 +2399,8 @@ int bond_3ad_xmit_xor(struct sk_buff *skb, struct net_device *dev)
}
if (bond_3ad_get_active_agg_info(bond, &ad_info)) {
- pr_debug(DRV_NAME ": %s: Error: "
- "bond_3ad_get_active_agg_info failed\n", dev->name);
+ pr_debug("%s: Error: bond_3ad_get_active_agg_info failed\n",
+ dev->name);
goto out;
}
@@ -2391,8 +2409,7 @@ int bond_3ad_xmit_xor(struct sk_buff *skb, struct net_device *dev)
if (slaves_in_agg == 0) {
/*the aggregator is empty*/
- pr_debug(DRV_NAME ": %s: Error: active aggregator is empty\n",
- dev->name);
+ pr_debug("%s: Error: active aggregator is empty\n", dev->name);
goto out;
}
@@ -2410,8 +2427,8 @@ int bond_3ad_xmit_xor(struct sk_buff *skb, struct net_device *dev)
}
if (slave_agg_no >= 0) {
- pr_err(DRV_NAME ": %s: Error: Couldn't find a slave to tx on "
- "for aggregator ID %d\n", dev->name, agg_id);
+ pr_err("%s: Error: Couldn't find a slave to tx on for aggregator ID %d\n",
+ dev->name, agg_id);
goto out;
}