diff options
-rw-r--r-- | drivers/net/bonding/bond_3ad.c | 111 |
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 |