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-rw-r--r--drivers/net/bonding/bond_3ad.c111
1 files changed, 67 insertions, 44 deletions
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index 079b9d1eead5..6b06b00af359 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -93,7 +93,7 @@
// compare MAC addresses
#define MAC_ADDRESS_COMPARE(A, B) memcmp(A, B, ETH_ALEN)
-static struct mac_addr null_mac_addr = {{0, 0, 0, 0, 0, 0}};
+static struct mac_addr null_mac_addr = { { 0, 0, 0, 0, 0, 0 } };
static u16 ad_ticks_per_sec;
static const int ad_delta_in_ticks = (AD_TIMER_INTERVAL * HZ) / 1000;
@@ -329,7 +329,7 @@ static u16 __get_link_speed(struct port *port)
* This is done in spite of the fact that the e100 driver reports 0 to be
* compatible with MVT in the future.*/
if (slave->link != BOND_LINK_UP) {
- speed=0;
+ speed = 0;
} else {
switch (slave->speed) {
case SPEED_10:
@@ -376,17 +376,17 @@ static u8 __get_duplex(struct port *port)
// handling a special case: when the configuration starts with
// link down, it sets the duplex to 0.
if (slave->link != BOND_LINK_UP) {
- retval=0x0;
+ retval = 0x0;
} else {
switch (slave->duplex) {
case DUPLEX_FULL:
- retval=0x1;
+ retval = 0x1;
pr_debug("Port %d Received status full duplex update from adapter\n",
port->actor_port_number);
break;
case DUPLEX_HALF:
default:
- retval=0x0;
+ retval = 0x0;
pr_debug("Port %d Received status NOT full duplex update from adapter\n",
port->actor_port_number);
break;
@@ -419,7 +419,7 @@ static inline void __initialize_port_locks(struct port *port)
*/
static u16 __ad_timer_to_ticks(u16 timer_type, u16 par)
{
- u16 retval=0; //to silence the compiler
+ u16 retval = 0; /* to silence the compiler */
switch (timer_type) {
case AD_CURRENT_WHILE_TIMER: // for rx machine usage
@@ -653,7 +653,7 @@ static void __update_ntt(struct lacpdu *lacpdu, struct port *port)
*/
static void __attach_bond_to_agg(struct port *port)
{
- port=NULL; // just to satisfy the compiler
+ port = NULL; /* just to satisfy the compiler */
// This function does nothing since the parser/multiplexer of the receive
// and the parser/multiplexer of the aggregator are already combined
}
@@ -668,7 +668,7 @@ static void __attach_bond_to_agg(struct port *port)
*/
static void __detach_bond_from_agg(struct port *port)
{
- port=NULL; // just to satisfy the compiler
+ port = NULL; /* just to satisfy the compiler */
// This function does nothing sience the parser/multiplexer of the receive
// and the parser/multiplexer of the aggregator are already combined
}
@@ -685,7 +685,9 @@ static int __agg_ports_are_ready(struct aggregator *aggregator)
if (aggregator) {
// scan all ports in this aggregator to verfy if they are all ready
- for (port=aggregator->lag_ports; port; port=port->next_port_in_aggregator) {
+ for (port = aggregator->lag_ports;
+ port;
+ port = port->next_port_in_aggregator) {
if (!(port->sm_vars & AD_PORT_READY_N)) {
retval = 0;
break;
@@ -706,7 +708,8 @@ static void __set_agg_ports_ready(struct aggregator *aggregator, int val)
{
struct port *port;
- for (port=aggregator->lag_ports; port; port=port->next_port_in_aggregator) {
+ for (port = aggregator->lag_ports; port;
+ port = port->next_port_in_aggregator) {
if (val) {
port->sm_vars |= AD_PORT_READY;
} else {
@@ -722,7 +725,7 @@ static void __set_agg_ports_ready(struct aggregator *aggregator, int val)
*/
static u32 __get_agg_bandwidth(struct aggregator *aggregator)
{
- u32 bandwidth=0;
+ u32 bandwidth = 0;
u32 basic_speed;
if (aggregator->num_of_ports) {
@@ -744,7 +747,7 @@ static u32 __get_agg_bandwidth(struct aggregator *aggregator)
bandwidth = aggregator->num_of_ports * 10000;
break;
default:
- bandwidth=0; // to silent the compilor ....
+ bandwidth = 0; /*to silence the compiler ....*/
}
}
return bandwidth;
@@ -1183,7 +1186,8 @@ static void ad_tx_machine(struct port *port)
}
}
// restart tx timer(to verify that we will not exceed AD_MAX_TX_IN_SECOND
- port->sm_tx_timer_counter=ad_ticks_per_sec/AD_MAX_TX_IN_SECOND;
+ port->sm_tx_timer_counter =
+ ad_ticks_per_sec/AD_MAX_TX_IN_SECOND;
}
}
@@ -1294,20 +1298,24 @@ static void ad_port_selection_logic(struct port *port)
// if the port is connected to other aggregator, detach it
if (port->aggregator) {
// detach the port from its former aggregator
- temp_aggregator=port->aggregator;
- for (curr_port=temp_aggregator->lag_ports; curr_port; last_port=curr_port, curr_port=curr_port->next_port_in_aggregator) {
+ temp_aggregator = port->aggregator;
+ for (curr_port = temp_aggregator->lag_ports; curr_port;
+ last_port = curr_port,
+ curr_port = curr_port->next_port_in_aggregator) {
if (curr_port == port) {
temp_aggregator->num_of_ports--;
if (!last_port) {// if it is the first port attached to the aggregator
- temp_aggregator->lag_ports=port->next_port_in_aggregator;
+ temp_aggregator->lag_ports =
+ port->next_port_in_aggregator;
} else {// not the first port attached to the aggregator
- last_port->next_port_in_aggregator=port->next_port_in_aggregator;
+ last_port->next_port_in_aggregator =
+ port->next_port_in_aggregator;
}
// clear the port's relations to this aggregator
port->aggregator = NULL;
- port->next_port_in_aggregator=NULL;
- port->actor_port_aggregator_identifier=0;
+ port->next_port_in_aggregator = NULL;
+ port->actor_port_aggregator_identifier = 0;
pr_debug("Port %d left LAG %d\n",
port->actor_port_number,
@@ -1334,7 +1342,7 @@ static void ad_port_selection_logic(struct port *port)
// keep a free aggregator for later use(if needed)
if (!aggregator->lag_ports) {
if (!free_aggregator) {
- free_aggregator=aggregator;
+ free_aggregator = aggregator;
}
continue;
}
@@ -1350,10 +1358,11 @@ static void ad_port_selection_logic(struct port *port)
) {
// attach to the founded aggregator
port->aggregator = aggregator;
- port->actor_port_aggregator_identifier=port->aggregator->aggregator_identifier;
- port->next_port_in_aggregator=aggregator->lag_ports;
+ port->actor_port_aggregator_identifier =
+ port->aggregator->aggregator_identifier;
+ port->next_port_in_aggregator = aggregator->lag_ports;
port->aggregator->num_of_ports++;
- aggregator->lag_ports=port;
+ aggregator->lag_ports = port;
pr_debug("Port %d joined LAG %d(existing LAG)\n",
port->actor_port_number,
port->aggregator->aggregator_identifier);
@@ -1370,7 +1379,8 @@ static void ad_port_selection_logic(struct port *port)
if (free_aggregator) {
// assign port a new aggregator
port->aggregator = free_aggregator;
- port->actor_port_aggregator_identifier=port->aggregator->aggregator_identifier;
+ port->actor_port_aggregator_identifier =
+ port->aggregator->aggregator_identifier;
// update the new aggregator's parameters
// if port was responsed from the end-user
@@ -1382,8 +1392,10 @@ static void ad_port_selection_logic(struct port *port)
port->aggregator->actor_admin_aggregator_key = port->actor_admin_port_key;
port->aggregator->actor_oper_aggregator_key = port->actor_oper_port_key;
- port->aggregator->partner_system=port->partner_oper.system;
- port->aggregator->partner_system_priority = port->partner_oper.system_priority;
+ port->aggregator->partner_system =
+ port->partner_oper.system;
+ port->aggregator->partner_system_priority =
+ port->partner_oper.system_priority;
port->aggregator->partner_oper_aggregator_key = port->partner_oper.key;
port->aggregator->receive_state = 1;
port->aggregator->transmit_state = 1;
@@ -1785,13 +1797,16 @@ static void ad_marker_info_send(struct port *port)
marker.requester_port = (((port->actor_port_number & 0xFF) << 8) |((u16)(port->actor_port_number & 0xFF00) >> 8));
marker.requester_system = port->actor_system;
// convert requester_port(u32) to Big Endian
- marker.requester_transaction_id = (((++port->transaction_id & 0xFF) << 24) |((port->transaction_id & 0xFF00) << 8) |((port->transaction_id & 0xFF0000) >> 8) |((port->transaction_id & 0xFF000000) >> 24));
+ marker.requester_transaction_id =
+ (((++port->transaction_id & 0xFF) << 24)
+ | ((port->transaction_id & 0xFF00) << 8)
+ | ((port->transaction_id & 0xFF0000) >> 8)
+ | ((port->transaction_id & 0xFF000000) >> 24));
marker.pad = 0;
marker.tlv_type_terminator = 0x00;
marker.terminator_length = 0x00;
- for (index=0; index<90; index++) {
- marker.reserved_90[index]=0;
- }
+ for (index = 0; index < 90; index++)
+ marker.reserved_90[index] = 0;
// send the marker information
if (ad_marker_send(port, &marker) >= 0) {
@@ -1816,7 +1831,7 @@ static void ad_marker_info_received(struct bond_marker *marker_info,
//marker = *marker_info;
memcpy(&marker, marker_info, sizeof(struct bond_marker));
// change the marker subtype to marker response
- marker.tlv_type=AD_MARKER_RESPONSE_SUBTYPE;
+ marker.tlv_type = AD_MARKER_RESPONSE_SUBTYPE;
// send the marker response
if (ad_marker_send(port, &marker) >= 0) {
@@ -1837,8 +1852,8 @@ static void ad_marker_info_received(struct bond_marker *marker_info,
static void ad_marker_response_received(struct bond_marker *marker,
struct port *port)
{
- marker=NULL; // just to satisfy the compiler
- port=NULL; // just to satisfy the compiler
+ marker = NULL; /* just to satisfy the compiler */
+ port = NULL; /* just to satisfy the compiler */
// DO NOTHING, SINCE WE DECIDED NOT TO IMPLEMENT THIS FEATURE FOR NOW
}
@@ -2037,8 +2052,9 @@ void bond_3ad_unbind_slave(struct slave *slave)
new_aggregator->num_of_ports = aggregator->num_of_ports;
// update the information that is written on the ports about the aggregator
- for (temp_port=aggregator->lag_ports; temp_port; temp_port=temp_port->next_port_in_aggregator) {
- temp_port->aggregator=new_aggregator;
+ for (temp_port = aggregator->lag_ports; temp_port;
+ temp_port = temp_port->next_port_in_aggregator) {
+ temp_port->aggregator = new_aggregator;
temp_port->actor_port_aggregator_identifier = new_aggregator->aggregator_identifier;
}
@@ -2071,7 +2087,9 @@ void bond_3ad_unbind_slave(struct slave *slave)
for (; temp_aggregator; temp_aggregator = __get_next_agg(temp_aggregator)) {
prev_port = NULL;
// search the port in the aggregator's related ports
- for (temp_port=temp_aggregator->lag_ports; temp_port; prev_port=temp_port, temp_port=temp_port->next_port_in_aggregator) {
+ for (temp_port = temp_aggregator->lag_ports; temp_port;
+ prev_port = temp_port,
+ temp_port = temp_port->next_port_in_aggregator) {
if (temp_port == port) { // the aggregator found - detach the port from this aggregator
if (prev_port) {
prev_port->next_port_in_aggregator = temp_port->next_port_in_aggregator;
@@ -2079,7 +2097,7 @@ void bond_3ad_unbind_slave(struct slave *slave)
temp_aggregator->lag_ports = temp_port->next_port_in_aggregator;
}
temp_aggregator->num_of_ports--;
- if (temp_aggregator->num_of_ports==0) {
+ if (temp_aggregator->num_of_ports == 0) {
select_new_active_agg = temp_aggregator->is_active;
// clear the aggregator
ad_clear_agg(temp_aggregator);
@@ -2094,7 +2112,7 @@ void bond_3ad_unbind_slave(struct slave *slave)
}
}
}
- port->slave=NULL;
+ port->slave = NULL;
}
/**
@@ -2245,7 +2263,8 @@ void bond_3ad_adapter_speed_changed(struct slave *slave)
}
port->actor_admin_port_key &= ~AD_SPEED_KEY_BITS;
- port->actor_oper_port_key=port->actor_admin_port_key |= (__get_link_speed(port) << 1);
+ port->actor_oper_port_key = port->actor_admin_port_key |=
+ (__get_link_speed(port) << 1);
pr_debug("Port %d changed speed\n", port->actor_port_number);
// there is no need to reselect a new aggregator, just signal the
// state machines to reinitialize
@@ -2262,7 +2281,7 @@ void bond_3ad_adapter_duplex_changed(struct slave *slave)
{
struct port *port;
- port=&(SLAVE_AD_INFO(slave).port);
+ port = &(SLAVE_AD_INFO(slave).port);
// if slave is null, the whole port is not initialized
if (!port->slave) {
@@ -2272,7 +2291,8 @@ void bond_3ad_adapter_duplex_changed(struct slave *slave)
}
port->actor_admin_port_key &= ~AD_DUPLEX_KEY_BITS;
- port->actor_oper_port_key=port->actor_admin_port_key |= __get_duplex(port);
+ port->actor_oper_port_key = port->actor_admin_port_key |=
+ __get_duplex(port);
pr_debug("Port %d changed duplex\n", port->actor_port_number);
// there is no need to reselect a new aggregator, just signal the
// state machines to reinitialize
@@ -2304,14 +2324,17 @@ void bond_3ad_handle_link_change(struct slave *slave, char link)
if (link == BOND_LINK_UP) {
port->is_enabled = true;
port->actor_admin_port_key &= ~AD_DUPLEX_KEY_BITS;
- port->actor_oper_port_key=port->actor_admin_port_key |= __get_duplex(port);
+ port->actor_oper_port_key = port->actor_admin_port_key |=
+ __get_duplex(port);
port->actor_admin_port_key &= ~AD_SPEED_KEY_BITS;
- port->actor_oper_port_key=port->actor_admin_port_key |= (__get_link_speed(port) << 1);
+ port->actor_oper_port_key = port->actor_admin_port_key |=
+ (__get_link_speed(port) << 1);
} else {
/* link has failed */
port->is_enabled = false;
port->actor_admin_port_key &= ~AD_DUPLEX_KEY_BITS;
- port->actor_oper_port_key= (port->actor_admin_port_key &= ~AD_SPEED_KEY_BITS);
+ port->actor_oper_port_key = (port->actor_admin_port_key &=
+ ~AD_SPEED_KEY_BITS);
}
//BOND_PRINT_DBG(("Port %d changed link status to %s", port->actor_port_number, ((link == BOND_LINK_UP)?"UP":"DOWN")));
// there is no need to reselect a new aggregator, just signal the