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@ -90,8 +90,9 @@
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#define AD_LINK_SPEED_BITMASK_10000MBPS 0x10
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//endalloun
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// compare MAC addresses
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#define MAC_ADDRESS_COMPARE(A, B) memcmp(A, B, ETH_ALEN)
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/* compare MAC addresses */
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#define MAC_ADDRESS_EQUAL(A, B) \
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ether_addr_equal_64bits((const u8 *)A, (const u8 *)B)
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static struct mac_addr null_mac_addr = { { 0, 0, 0, 0, 0, 0 } };
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static u16 ad_ticks_per_sec;
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@ -417,17 +418,18 @@ static u16 __ad_timer_to_ticks(u16 timer_type, u16 par)
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*/
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static void __choose_matched(struct lacpdu *lacpdu, struct port *port)
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{
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// check if all parameters are alike
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/* check if all parameters are alike
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* or this is individual link(aggregation == FALSE)
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* then update the state machine Matched variable.
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*/
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if (((ntohs(lacpdu->partner_port) == port->actor_port_number) &&
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(ntohs(lacpdu->partner_port_priority) == port->actor_port_priority) &&
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!MAC_ADDRESS_COMPARE(&(lacpdu->partner_system), &(port->actor_system)) &&
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MAC_ADDRESS_EQUAL(&(lacpdu->partner_system), &(port->actor_system)) &&
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(ntohs(lacpdu->partner_system_priority) == port->actor_system_priority) &&
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(ntohs(lacpdu->partner_key) == port->actor_oper_port_key) &&
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((lacpdu->partner_state & AD_STATE_AGGREGATION) == (port->actor_oper_port_state & AD_STATE_AGGREGATION))) ||
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// or this is individual link(aggregation == FALSE)
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((lacpdu->actor_state & AD_STATE_AGGREGATION) == 0)
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) {
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// update the state machine Matched variable
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port->sm_vars |= AD_PORT_MATCHED;
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} else {
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port->sm_vars &= ~AD_PORT_MATCHED;
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@ -507,14 +509,15 @@ static void __update_selected(struct lacpdu *lacpdu, struct port *port)
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if (lacpdu && port) {
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const struct port_params *partner = &port->partner_oper;
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// check if any parameter is different
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/* check if any parameter is different then
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* update the state machine selected variable.
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*/
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if (ntohs(lacpdu->actor_port) != partner->port_number ||
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ntohs(lacpdu->actor_port_priority) != partner->port_priority ||
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MAC_ADDRESS_COMPARE(&lacpdu->actor_system, &partner->system) ||
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!MAC_ADDRESS_EQUAL(&lacpdu->actor_system, &partner->system) ||
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ntohs(lacpdu->actor_system_priority) != partner->system_priority ||
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ntohs(lacpdu->actor_key) != partner->key ||
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(lacpdu->actor_state & AD_STATE_AGGREGATION) != (partner->port_state & AD_STATE_AGGREGATION)) {
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// update the state machine Selected variable
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port->sm_vars &= ~AD_PORT_SELECTED;
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}
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}
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@ -538,15 +541,16 @@ static void __update_default_selected(struct port *port)
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const struct port_params *admin = &port->partner_admin;
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const struct port_params *oper = &port->partner_oper;
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// check if any parameter is different
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/* check if any parameter is different then
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* update the state machine selected variable.
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*/
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if (admin->port_number != oper->port_number ||
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admin->port_priority != oper->port_priority ||
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MAC_ADDRESS_COMPARE(&admin->system, &oper->system) ||
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!MAC_ADDRESS_EQUAL(&admin->system, &oper->system) ||
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admin->system_priority != oper->system_priority ||
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admin->key != oper->key ||
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(admin->port_state & AD_STATE_AGGREGATION)
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!= (oper->port_state & AD_STATE_AGGREGATION)) {
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// update the state machine Selected variable
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port->sm_vars &= ~AD_PORT_SELECTED;
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}
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}
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@ -566,12 +570,14 @@ static void __update_default_selected(struct port *port)
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*/
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static void __update_ntt(struct lacpdu *lacpdu, struct port *port)
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{
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// validate lacpdu and port
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/* validate lacpdu and port */
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if (lacpdu && port) {
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// check if any parameter is different
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/* check if any parameter is different then
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* update the port->ntt.
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*/
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if ((ntohs(lacpdu->partner_port) != port->actor_port_number) ||
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(ntohs(lacpdu->partner_port_priority) != port->actor_port_priority) ||
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MAC_ADDRESS_COMPARE(&(lacpdu->partner_system), &(port->actor_system)) ||
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!MAC_ADDRESS_EQUAL(&(lacpdu->partner_system), &(port->actor_system)) ||
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(ntohs(lacpdu->partner_system_priority) != port->actor_system_priority) ||
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(ntohs(lacpdu->partner_key) != port->actor_oper_port_key) ||
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((lacpdu->partner_state & AD_STATE_LACP_ACTIVITY) != (port->actor_oper_port_state & AD_STATE_LACP_ACTIVITY)) ||
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@ -579,7 +585,6 @@ static void __update_ntt(struct lacpdu *lacpdu, struct port *port)
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((lacpdu->partner_state & AD_STATE_SYNCHRONIZATION) != (port->actor_oper_port_state & AD_STATE_SYNCHRONIZATION)) ||
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((lacpdu->partner_state & AD_STATE_AGGREGATION) != (port->actor_oper_port_state & AD_STATE_AGGREGATION))
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) {
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port->ntt = true;
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}
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}
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@ -1076,9 +1081,8 @@ static void ad_rx_machine(struct lacpdu *lacpdu, struct port *port)
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port->actor_oper_port_state &= ~AD_STATE_EXPIRED;
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break;
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case AD_RX_CURRENT:
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// detect loopback situation
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if (!MAC_ADDRESS_COMPARE(&(lacpdu->actor_system), &(port->actor_system))) {
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// INFO_RECEIVED_LOOPBACK_FRAMES
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/* detect loopback situation */
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if (MAC_ADDRESS_EQUAL(&(lacpdu->actor_system), &(port->actor_system))) {
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|
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pr_err("%s: An illegal loopback occurred on adapter (%s).\n"
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"Check the configuration to verify that all adapters are connected to 802.3ad compliant switch ports\n",
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port->slave->bond->dev->name, port->slave->dev->name);
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@ -1090,7 +1094,7 @@ static void ad_rx_machine(struct lacpdu *lacpdu, struct port *port)
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port->sm_rx_timer_counter = __ad_timer_to_ticks(AD_CURRENT_WHILE_TIMER, (u16)(port->actor_oper_port_state & AD_STATE_LACP_TIMEOUT));
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port->actor_oper_port_state &= ~AD_STATE_EXPIRED;
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break;
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default: //to silence the compiler
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default: /* to silence the compiler */
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break;
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}
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}
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@ -1281,17 +1285,17 @@ static void ad_port_selection_logic(struct port *port)
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free_aggregator = aggregator;
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continue;
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}
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// check if current aggregator suits us
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if (((aggregator->actor_oper_aggregator_key == port->actor_oper_port_key) && // if all parameters match AND
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!MAC_ADDRESS_COMPARE(&(aggregator->partner_system), &(port->partner_oper.system)) &&
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/* check if current aggregator suits us */
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if (((aggregator->actor_oper_aggregator_key == port->actor_oper_port_key) && /* if all parameters match AND */
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MAC_ADDRESS_EQUAL(&(aggregator->partner_system), &(port->partner_oper.system)) &&
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(aggregator->partner_system_priority == port->partner_oper.system_priority) &&
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|
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(aggregator->partner_oper_aggregator_key == port->partner_oper.key)
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) &&
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((MAC_ADDRESS_COMPARE(&(port->partner_oper.system), &(null_mac_addr)) && // partner answers
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|
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!aggregator->is_individual) // but is not individual OR
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((!MAC_ADDRESS_EQUAL(&(port->partner_oper.system), &(null_mac_addr)) && /* partner answers */
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|
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!aggregator->is_individual) /* but is not individual OR */
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)
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) {
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|
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// attach to the founded aggregator
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|
|
/* attach to the founded aggregator */
|
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|
|
port->aggregator = aggregator;
|
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|
|
|
port->actor_port_aggregator_identifier =
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|
|
|
port->aggregator->aggregator_identifier;
|
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|
|
@ -1705,7 +1709,7 @@ static void ad_enable_collecting_distributing(struct port *port)
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*/
|
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|
|
static void ad_disable_collecting_distributing(struct port *port)
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|
|
{
|
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|
|
if (port->aggregator && MAC_ADDRESS_COMPARE(&(port->aggregator->partner_system), &(null_mac_addr))) {
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|
|
|
if (port->aggregator && !MAC_ADDRESS_EQUAL(&(port->aggregator->partner_system), &(null_mac_addr))) {
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|
|
|
pr_debug("Disabling port %d(LAG %d)\n",
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|
|
|
port->actor_port_number,
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|
|
|
port->aggregator->aggregator_identifier);
|
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|
|
@ -1826,8 +1830,8 @@ static u16 aggregator_identifier;
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|
|
|
*/
|
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|
|
|
void bond_3ad_initialize(struct bonding *bond, u16 tick_resolution)
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|
|
|
{
|
|
|
|
|
// check that the bond is not initialized yet
|
|
|
|
|
if (MAC_ADDRESS_COMPARE(&(BOND_AD_INFO(bond).system.sys_mac_addr),
|
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|
|
|
/* check that the bond is not initialized yet */
|
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|
|
|
if (!MAC_ADDRESS_EQUAL(&(BOND_AD_INFO(bond).system.sys_mac_addr),
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|
|
|
bond->dev->dev_addr)) {
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aggregator_identifier = 0;
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|
|
@ -1851,22 +1855,16 @@ void bond_3ad_initialize(struct bonding *bond, u16 tick_resolution)
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|
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* Returns: 0 on success
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|
|
* < 0 on error
|
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|
|
|
*/
|
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|
|
|
int bond_3ad_bind_slave(struct slave *slave)
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|
|
void bond_3ad_bind_slave(struct slave *slave)
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|
|
|
{
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|
|
|
struct bonding *bond = bond_get_bond_by_slave(slave);
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|
|
struct port *port;
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|
|
struct aggregator *aggregator;
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|
|
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|
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|
|
if (bond == NULL) {
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|
|
pr_err("%s: The slave %s is not attached to its bond\n",
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|
|
|
slave->bond->dev->name, slave->dev->name);
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|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//check that the slave has not been initialized yet.
|
|
|
|
|
/* check that the slave has not been initialized yet. */
|
|
|
|
|
if (SLAVE_AD_INFO(slave).port.slave != slave) {
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|
|
|
|
|
|
|
|
// port initialization
|
|
|
|
|
/* port initialization */
|
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|
|
|
port = &(SLAVE_AD_INFO(slave).port);
|
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|
|
|
|
|
|
|
|
ad_initialize_port(port, bond->params.lacp_fast);
|
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|
|
@ -1874,28 +1872,30 @@ int bond_3ad_bind_slave(struct slave *slave)
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|
|
__initialize_port_locks(slave);
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|
|
port->slave = slave;
|
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|
|
|
port->actor_port_number = SLAVE_AD_INFO(slave).id;
|
|
|
|
|
// key is determined according to the link speed, duplex and user key(which is yet not supported)
|
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|
|
|
// ------------------------------------------------------------
|
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|
|
|
// Port key : | User key | Speed |Duplex|
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|
|
|
// ------------------------------------------------------------
|
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|
|
|
// 16 6 1 0
|
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|
|
port->actor_admin_port_key = 0; // initialize this parameter
|
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|
|
|
/* key is determined according to the link speed, duplex and user key(which
|
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|
|
|
* is yet not supported)
|
|
|
|
|
* ------------------------------------------------------------
|
|
|
|
|
* Port key : | User key | Speed |Duplex|
|
|
|
|
|
* ------------------------------------------------------------
|
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|
|
|
* 16 6 1 0
|
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|
|
|
*/
|
|
|
|
|
port->actor_admin_port_key = 0; /* initialize this parameter */
|
|
|
|
|
port->actor_admin_port_key |= __get_duplex(port);
|
|
|
|
|
port->actor_admin_port_key |= (__get_link_speed(port) << 1);
|
|
|
|
|
port->actor_oper_port_key = port->actor_admin_port_key;
|
|
|
|
|
// if the port is not full duplex, then the port should be not lacp Enabled
|
|
|
|
|
/* if the port is not full duplex, then the port should be not lacp Enabled */
|
|
|
|
|
if (!(port->actor_oper_port_key & AD_DUPLEX_KEY_BITS))
|
|
|
|
|
port->sm_vars &= ~AD_PORT_LACP_ENABLED;
|
|
|
|
|
// actor system is the bond's system
|
|
|
|
|
/* actor system is the bond's system */
|
|
|
|
|
port->actor_system = BOND_AD_INFO(bond).system.sys_mac_addr;
|
|
|
|
|
// tx timer(to verify that no more than MAX_TX_IN_SECOND lacpdu's are sent in one second)
|
|
|
|
|
/* tx timer(to verify that no more than MAX_TX_IN_SECOND lacpdu's are sent in one second) */
|
|
|
|
|
port->sm_tx_timer_counter = ad_ticks_per_sec/AD_MAX_TX_IN_SECOND;
|
|
|
|
|
port->aggregator = NULL;
|
|
|
|
|
port->next_port_in_aggregator = NULL;
|
|
|
|
|
|
|
|
|
|
__disable_port(port);
|
|
|
|
|
|
|
|
|
|
// aggregator initialization
|
|
|
|
|
/* aggregator initialization */
|
|
|
|
|
aggregator = &(SLAVE_AD_INFO(slave).aggregator);
|
|
|
|
|
|
|
|
|
|
ad_initialize_agg(aggregator);
|
|
|
|
@ -1906,8 +1906,6 @@ int bond_3ad_bind_slave(struct slave *slave)
|
|
|
|
|
aggregator->is_active = 0;
|
|
|
|
|
aggregator->num_of_ports = 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
@ -2397,13 +2395,12 @@ int bond_3ad_xmit_xor(struct sk_buff *skb, struct net_device *dev)
|
|
|
|
|
struct list_head *iter;
|
|
|
|
|
int slaves_in_agg;
|
|
|
|
|
int slave_agg_no;
|
|
|
|
|
int res = 1;
|
|
|
|
|
int agg_id;
|
|
|
|
|
|
|
|
|
|
if (__bond_3ad_get_active_agg_info(bond, &ad_info)) {
|
|
|
|
|
pr_debug("%s: Error: __bond_3ad_get_active_agg_info failed\n",
|
|
|
|
|
dev->name);
|
|
|
|
|
goto out;
|
|
|
|
|
goto err_free;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
slaves_in_agg = ad_info.ports;
|
|
|
|
@ -2411,7 +2408,7 @@ int bond_3ad_xmit_xor(struct sk_buff *skb, struct net_device *dev)
|
|
|
|
|
|
|
|
|
|
if (slaves_in_agg == 0) {
|
|
|
|
|
pr_debug("%s: Error: active aggregator is empty\n", dev->name);
|
|
|
|
|
goto out;
|
|
|
|
|
goto err_free;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
slave_agg_no = bond_xmit_hash(bond, skb, slaves_in_agg);
|
|
|
|
@ -2430,7 +2427,7 @@ int bond_3ad_xmit_xor(struct sk_buff *skb, struct net_device *dev)
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (SLAVE_IS_OK(slave)) {
|
|
|
|
|
res = bond_dev_queue_xmit(bond, skb, slave->dev);
|
|
|
|
|
bond_dev_queue_xmit(bond, skb, slave->dev);
|
|
|
|
|
goto out;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
@ -2438,21 +2435,22 @@ int bond_3ad_xmit_xor(struct sk_buff *skb, struct net_device *dev)
|
|
|
|
|
if (slave_agg_no >= 0) {
|
|
|
|
|
pr_err("%s: Error: Couldn't find a slave to tx on for aggregator ID %d\n",
|
|
|
|
|
dev->name, agg_id);
|
|
|
|
|
goto out;
|
|
|
|
|
goto err_free;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* we couldn't find any suitable slave after the agg_no, so use the
|
|
|
|
|
* first suitable found, if found. */
|
|
|
|
|
if (first_ok_slave)
|
|
|
|
|
res = bond_dev_queue_xmit(bond, skb, first_ok_slave->dev);
|
|
|
|
|
bond_dev_queue_xmit(bond, skb, first_ok_slave->dev);
|
|
|
|
|
else
|
|
|
|
|
goto err_free;
|
|
|
|
|
|
|
|
|
|
out:
|
|
|
|
|
if (res) {
|
|
|
|
|
/* no suitable interface, frame not sent */
|
|
|
|
|
kfree_skb(skb);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return NETDEV_TX_OK;
|
|
|
|
|
err_free:
|
|
|
|
|
/* no suitable interface, frame not sent */
|
|
|
|
|
kfree_skb(skb);
|
|
|
|
|
goto out;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int bond_3ad_lacpdu_recv(const struct sk_buff *skb, struct bonding *bond,
|
|
|
|
|