diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-12-29 09:45:15 +0100 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-12-29 09:45:15 +0100 |
commit | e1df957670aef74ffd9a4ad93e6d2c90bf6b4845 (patch) | |
tree | bca1fcfef55b3e3e82c9a822b4ac6428fce2b419 /drivers/net/bonding/bond_3ad.c | |
parent | 2b583d8bc8d7105b58d7481a4a0ceb718dac49c6 (diff) | |
parent | 3c92ec8ae91ecf59d88c798301833d7cf83f2179 (diff) |
Merge branch 'linus' into perfcounters/core
Conflicts:
fs/exec.c
include/linux/init_task.h
Simple context conflicts.
Diffstat (limited to 'drivers/net/bonding/bond_3ad.c')
-rw-r--r-- | drivers/net/bonding/bond_3ad.c | 667 |
1 files changed, 336 insertions, 331 deletions
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c index 6106660a4a4..8c2e5ab51f0 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c @@ -20,13 +20,12 @@ * */ -//#define BONDING_DEBUG 1 - #include <linux/skbuff.h> #include <linux/if_ether.h> #include <linux/netdevice.h> #include <linux/spinlock.h> #include <linux/ethtool.h> +#include <linux/etherdevice.h> #include <linux/if_bonding.h> #include <linux/pkt_sched.h> #include <net/net_namespace.h> @@ -96,33 +95,7 @@ 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; -// ================= 3AD api to bonding and kernel code ================== -static u16 __get_link_speed(struct port *port); -static u8 __get_duplex(struct port *port); -static inline void __initialize_port_locks(struct port *port); -//conversions -static u16 __ad_timer_to_ticks(u16 timer_type, u16 Par); - - -// ================= ad code helper functions ================== -//needed by ad_rx_machine(...) -static void __record_pdu(struct lacpdu *lacpdu, struct port *port); -static void __record_default(struct port *port); -static void __update_selected(struct lacpdu *lacpdu, struct port *port); -static void __update_default_selected(struct port *port); -static void __choose_matched(struct lacpdu *lacpdu, struct port *port); -static void __update_ntt(struct lacpdu *lacpdu, struct port *port); - -//needed for ad_mux_machine(..) -static void __attach_bond_to_agg(struct port *port); -static void __detach_bond_from_agg(struct port *port); -static int __agg_ports_are_ready(struct aggregator *aggregator); -static void __set_agg_ports_ready(struct aggregator *aggregator, int val); - -//needed for ad_agg_selection_logic(...) -static u32 __get_agg_bandwidth(struct aggregator *aggregator); -static struct aggregator *__get_active_agg(struct aggregator *aggregator); - +static const u8 lacpdu_mcast_addr[ETH_ALEN] = MULTICAST_LACPDU_ADDR; // ================= main 802.3ad protocol functions ================== static int ad_lacpdu_send(struct port *port); @@ -136,7 +109,6 @@ static void ad_agg_selection_logic(struct aggregator *aggregator); static void ad_clear_agg(struct aggregator *aggregator); static void ad_initialize_agg(struct aggregator *aggregator); static void ad_initialize_port(struct port *port, int lacp_fast); -static void ad_initialize_lacpdu(struct lacpdu *Lacpdu); static void ad_enable_collecting_distributing(struct port *port); static void ad_disable_collecting_distributing(struct port *port); static void ad_marker_info_received(struct bond_marker *marker_info, struct port *port); @@ -236,6 +208,17 @@ static inline struct aggregator *__get_next_agg(struct aggregator *aggregator) return &(SLAVE_AD_INFO(slave->next).aggregator); } +/* + * __agg_has_partner + * + * Return nonzero if aggregator has a partner (denoted by a non-zero ether + * address for the partner). Return 0 if not. + */ +static inline int __agg_has_partner(struct aggregator *agg) +{ + return !is_zero_ether_addr(agg->partner_system.mac_addr_value); +} + /** * __disable_port - disable the port's slave * @port: the port we're looking at @@ -274,14 +257,14 @@ static inline int __port_is_enabled(struct port *port) * __get_agg_selection_mode - get the aggregator selection mode * @port: the port we're looking at * - * Get the aggregator selection mode. Can be %BANDWIDTH or %COUNT. + * Get the aggregator selection mode. Can be %STABLE, %BANDWIDTH or %COUNT. */ static inline u32 __get_agg_selection_mode(struct port *port) { struct bonding *bond = __get_bond_by_port(port); if (bond == NULL) { - return AD_BANDWIDTH; + return BOND_AD_STABLE; } return BOND_AD_INFO(bond).agg_select_mode; @@ -369,7 +352,7 @@ static u16 __get_link_speed(struct port *port) } } - dprintk("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; } @@ -395,12 +378,12 @@ static u8 __get_duplex(struct port *port) switch (slave->duplex) { case DUPLEX_FULL: retval=0x1; - dprintk("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; - dprintk("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; } } @@ -473,33 +456,25 @@ static u16 __ad_timer_to_ticks(u16 timer_type, u16 par) */ static void __record_pdu(struct lacpdu *lacpdu, struct port *port) { - // validate lacpdu and port if (lacpdu && port) { + struct port_params *partner = &port->partner_oper; + // record the new parameter values for the partner operational - port->partner_oper_port_number = ntohs(lacpdu->actor_port); - port->partner_oper_port_priority = ntohs(lacpdu->actor_port_priority); - port->partner_oper_system = lacpdu->actor_system; - port->partner_oper_system_priority = ntohs(lacpdu->actor_system_priority); - port->partner_oper_key = ntohs(lacpdu->actor_key); - // zero partener's lase states - port->partner_oper_port_state = 0; - port->partner_oper_port_state |= (lacpdu->actor_state & AD_STATE_LACP_ACTIVITY); - port->partner_oper_port_state |= (lacpdu->actor_state & AD_STATE_LACP_TIMEOUT); - port->partner_oper_port_state |= (lacpdu->actor_state & AD_STATE_AGGREGATION); - port->partner_oper_port_state |= (lacpdu->actor_state & AD_STATE_SYNCHRONIZATION); - port->partner_oper_port_state |= (lacpdu->actor_state & AD_STATE_COLLECTING); - port->partner_oper_port_state |= (lacpdu->actor_state & AD_STATE_DISTRIBUTING); - port->partner_oper_port_state |= (lacpdu->actor_state & AD_STATE_DEFAULTED); - port->partner_oper_port_state |= (lacpdu->actor_state & AD_STATE_EXPIRED); + partner->port_number = ntohs(lacpdu->actor_port); + partner->port_priority = ntohs(lacpdu->actor_port_priority); + partner->system = lacpdu->actor_system; + partner->system_priority = ntohs(lacpdu->actor_system_priority); + partner->key = ntohs(lacpdu->actor_key); + partner->port_state = lacpdu->actor_state; // set actor_oper_port_state.defaulted to FALSE port->actor_oper_port_state &= ~AD_STATE_DEFAULTED; // set the partner sync. to on if the partner is sync. and the port is matched if ((port->sm_vars & AD_PORT_MATCHED) && (lacpdu->actor_state & AD_STATE_SYNCHRONIZATION)) { - port->partner_oper_port_state |= AD_STATE_SYNCHRONIZATION; + partner->port_state |= AD_STATE_SYNCHRONIZATION; } else { - port->partner_oper_port_state &= ~AD_STATE_SYNCHRONIZATION; + partner->port_state &= ~AD_STATE_SYNCHRONIZATION; } } } @@ -514,15 +489,10 @@ static void __record_pdu(struct lacpdu *lacpdu, struct port *port) */ static void __record_default(struct port *port) { - // validate the port if (port) { // record the partner admin parameters - port->partner_oper_port_number = port->partner_admin_port_number; - port->partner_oper_port_priority = port->partner_admin_port_priority; - port->partner_oper_system = port->partner_admin_system; - port->partner_oper_system_priority = port->partner_admin_system_priority; - port->partner_oper_key = port->partner_admin_key; - port->partner_oper_port_state = port->partner_admin_port_state; + memcpy(&port->partner_oper, &port->partner_admin, + sizeof(struct port_params)); // set actor_oper_port_state.defaulted to true port->actor_oper_port_state |= AD_STATE_DEFAULTED; @@ -544,16 +514,16 @@ static void __record_default(struct port *port) */ static void __update_selected(struct lacpdu *lacpdu, struct port *port) { - // validate lacpdu and port if (lacpdu && port) { + const struct port_params *partner = &port->partner_oper; + // check if any parameter is different - if ((ntohs(lacpdu->actor_port) != port->partner_oper_port_number) || - (ntohs(lacpdu->actor_port_priority) != port->partner_oper_port_priority) || - MAC_ADDRESS_COMPARE(&(lacpdu->actor_system), &(port->partner_oper_system)) || - (ntohs(lacpdu->actor_system_priority) != port->partner_oper_system_priority) || - (ntohs(lacpdu->actor_key) != port->partner_oper_key) || - ((lacpdu->actor_state & AD_STATE_AGGREGATION) != (port->partner_oper_port_state & AD_STATE_AGGREGATION)) - ) { + if (ntohs(lacpdu->actor_port) != partner->port_number + || ntohs(lacpdu->actor_port_priority) != partner->port_priority + || MAC_ADDRESS_COMPARE(&lacpdu->actor_system, &partner->system) + || ntohs(lacpdu->actor_system_priority) != partner->system_priority + || ntohs(lacpdu->actor_key) != partner->key + || (lacpdu->actor_state & AD_STATE_AGGREGATION) != (partner->port_state & AD_STATE_AGGREGATION)) { // update the state machine Selected variable port->sm_vars &= ~AD_PORT_SELECTED; } @@ -574,16 +544,18 @@ static void __update_selected(struct lacpdu *lacpdu, struct port *port) */ static void __update_default_selected(struct port *port) { - // validate the port if (port) { + const struct port_params *admin = &port->partner_admin; + const struct port_params *oper = &port->partner_oper; + // check if any parameter is different - if ((port->partner_admin_port_number != port->partner_oper_port_number) || - (port->partner_admin_port_priority != port->partner_oper_port_priority) || - MAC_ADDRESS_COMPARE(&(port->partner_admin_system), &(port->partner_oper_system)) || - (port->partner_admin_system_priority != port->partner_oper_system_priority) || - (port->partner_admin_key != port->partner_oper_key) || - ((port->partner_admin_port_state & AD_STATE_AGGREGATION) != (port->partner_oper_port_state & AD_STATE_AGGREGATION)) - ) { + if (admin->port_number != oper->port_number + || admin->port_priority != oper->port_priority + || MAC_ADDRESS_COMPARE(&admin->system, &oper->system) + || admin->system_priority != oper->system_priority + || admin->key != oper->key + || (admin->port_state & AD_STATE_AGGREGATION) + != (oper->port_state & AD_STATE_AGGREGATION)) { // update the state machine Selected variable port->sm_vars &= ~AD_PORT_SELECTED; } @@ -658,8 +630,8 @@ static void __update_ntt(struct lacpdu *lacpdu, struct port *port) ((lacpdu->partner_state & AD_STATE_SYNCHRONIZATION) != (port->actor_oper_port_state & AD_STATE_SYNCHRONIZATION)) || ((lacpdu->partner_state & AD_STATE_AGGREGATION) != (port->actor_oper_port_state & AD_STATE_AGGREGATION)) ) { - // set ntt to be TRUE - port->ntt = 1; + + port->ntt = true; } } } @@ -798,6 +770,7 @@ static struct aggregator *__get_active_agg(struct aggregator *aggregator) static inline void __update_lacpdu_from_port(struct port *port) { struct lacpdu *lacpdu = &port->lacpdu; + const struct port_params *partner = &port->partner_oper; /* update current actual Actor parameters */ /* lacpdu->subtype initialized @@ -818,12 +791,12 @@ static inline void __update_lacpdu_from_port(struct port *port) * lacpdu->partner_information_length initialized */ - lacpdu->partner_system_priority = htons(port->partner_oper_system_priority); - lacpdu->partner_system = port->partner_oper_system; - lacpdu->partner_key = htons(port->partner_oper_key); - lacpdu->partner_port_priority = htons(port->partner_oper_port_priority); - lacpdu->partner_port = htons(port->partner_oper_port_number); - lacpdu->partner_state = port->partner_oper_port_state; + lacpdu->partner_system_priority = htons(partner->system_priority); + lacpdu->partner_system = partner->system; + lacpdu->partner_key = htons(partner->key); + lacpdu->partner_port_priority = htons(partner->port_priority); + lacpdu->partner_port = htons(partner->port_number); + lacpdu->partner_state = partner->port_state; /* lacpdu->reserved_3_2 initialized * lacpdu->tlv_type_collector_info initialized @@ -853,7 +826,6 @@ static int ad_lacpdu_send(struct port *port) struct sk_buff *skb; struct lacpdu_header *lacpdu_header; int length = sizeof(struct lacpdu_header); - struct mac_addr lacpdu_multicast_address = AD_MULTICAST_LACPDU_ADDR; skb = dev_alloc_skb(length); if (!skb) { @@ -868,11 +840,11 @@ static int ad_lacpdu_send(struct port *port) lacpdu_header = (struct lacpdu_header *)skb_put(skb, length); - lacpdu_header->ad_header.destination_address = lacpdu_multicast_address; - /* Note: source addres is set to be the member's PERMANENT address, because we use it - to identify loopback lacpdus in receive. */ - lacpdu_header->ad_header.source_address = *((struct mac_addr *)(slave->perm_hwaddr)); - lacpdu_header->ad_header.length_type = PKT_TYPE_LACPDU; + memcpy(lacpdu_header->hdr.h_dest, lacpdu_mcast_addr, ETH_ALEN); + /* Note: source addres 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); + lacpdu_header->hdr.h_proto = PKT_TYPE_LACPDU; lacpdu_header->lacpdu = port->lacpdu; // struct copy @@ -895,7 +867,6 @@ static int ad_marker_send(struct port *port, struct bond_marker *marker) struct sk_buff *skb; struct bond_marker_header *marker_header; int length = sizeof(struct bond_marker_header); - struct mac_addr lacpdu_multicast_address = AD_MULTICAST_LACPDU_ADDR; skb = dev_alloc_skb(length + 16); if (!skb) { @@ -911,11 +882,11 @@ static int ad_marker_send(struct port *port, struct bond_marker *marker) marker_header = (struct bond_marker_header *)skb_put(skb, length); - marker_header->ad_header.destination_address = lacpdu_multicast_address; - /* Note: source addres is set to be the member's PERMANENT address, because we use it - to identify loopback MARKERs in receive. */ - marker_header->ad_header.source_address = *((struct mac_addr *)(slave->perm_hwaddr)); - marker_header->ad_header.length_type = PKT_TYPE_LACPDU; + memcpy(marker_header->hdr.h_dest, lacpdu_mcast_addr, ETH_ALEN); + /* Note: source addres 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); + marker_header->hdr.h_proto = PKT_TYPE_LACPDU; marker_header->marker = *marker; // struct copy @@ -972,7 +943,7 @@ static void ad_mux_machine(struct port *port) break; case AD_MUX_ATTACHED: // check also if agg_select_timer expired(so the edable port will take place only after this timer) - if ((port->sm_vars & AD_PORT_SELECTED) && (port->partner_oper_port_state & AD_STATE_SYNCHRONIZATION) && !__check_agg_selection_timer(port)) { + if ((port->sm_vars & AD_PORT_SELECTED) && (port->partner_oper.port_state & AD_STATE_SYNCHRONIZATION) && !__check_agg_selection_timer(port)) { port->sm_mux_state = AD_MUX_COLLECTING_DISTRIBUTING;// next state } else if (!(port->sm_vars & AD_PORT_SELECTED) || (port->sm_vars & AD_PORT_STANDBY)) { // if UNSELECTED or STANDBY port->sm_vars &= ~AD_PORT_READY_N; @@ -984,7 +955,7 @@ static void ad_mux_machine(struct port *port) break; case AD_MUX_COLLECTING_DISTRIBUTING: if (!(port->sm_vars & AD_PORT_SELECTED) || (port->sm_vars & AD_PORT_STANDBY) || - !(port->partner_oper_port_state & AD_STATE_SYNCHRONIZATION) + !(port->partner_oper.port_state & AD_STATE_SYNCHRONIZATION) ) { port->sm_mux_state = AD_MUX_ATTACHED;// next state @@ -1007,7 +978,7 @@ static void ad_mux_machine(struct port *port) // check if the state machine was changed if (port->sm_mux_state != last_state) { - dprintk("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); @@ -1015,7 +986,7 @@ static void ad_mux_machine(struct port *port) ad_disable_collecting_distributing(port); port->actor_oper_port_state &= ~AD_STATE_COLLECTING; port->actor_oper_port_state &= ~AD_STATE_DISTRIBUTING; - port->ntt = 1; + port->ntt = true; break; case AD_MUX_WAITING: port->sm_mux_timer_counter = __ad_timer_to_ticks(AD_WAIT_WHILE_TIMER, 0); @@ -1026,13 +997,13 @@ static void ad_mux_machine(struct port *port) port->actor_oper_port_state &= ~AD_STATE_COLLECTING; port->actor_oper_port_state &= ~AD_STATE_DISTRIBUTING; ad_disable_collecting_distributing(port); - port->ntt = 1; + port->ntt = true; break; case AD_MUX_COLLECTING_DISTRIBUTING: port->actor_oper_port_state |= AD_STATE_COLLECTING; port->actor_oper_port_state |= AD_STATE_DISTRIBUTING; ad_enable_collecting_distributing(port); - port->ntt = 1; + port->ntt = true; break; default: //to silence the compiler break; @@ -1106,7 +1077,7 @@ 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)) { - dprintk("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)) { @@ -1128,7 +1099,7 @@ static void ad_rx_machine(struct lacpdu *lacpdu, struct port *port) case AD_RX_LACP_DISABLED: port->sm_vars &= ~AD_PORT_SELECTED; __record_default(port); - port->partner_oper_port_state &= ~AD_STATE_AGGREGATION; + port->partner_oper.port_state &= ~AD_STATE_AGGREGATION; port->sm_vars |= AD_PORT_MATCHED; port->actor_oper_port_state &= ~AD_STATE_EXPIRED; break; @@ -1136,9 +1107,9 @@ static void ad_rx_machine(struct lacpdu *lacpdu, struct port *port) //Reset of the Synchronization flag. (Standard 43.4.12) //This reset cause to disable this port in the COLLECTING_DISTRIBUTING state of the //mux machine in case of EXPIRED even if LINK_DOWN didn't arrive for the port. - port->partner_oper_port_state &= ~AD_STATE_SYNCHRONIZATION; + port->partner_oper.port_state &= ~AD_STATE_SYNCHRONIZATION; port->sm_vars &= ~AD_PORT_MATCHED; - port->partner_oper_port_state |= AD_SHORT_TIMEOUT; + port->partner_oper.port_state |= AD_SHORT_TIMEOUT; port->sm_rx_timer_counter = __ad_timer_to_ticks(AD_CURRENT_WHILE_TIMER, (u16)(AD_SHORT_TIMEOUT)); port->actor_oper_port_state |= AD_STATE_EXPIRED; break; @@ -1191,11 +1162,13 @@ static void ad_tx_machine(struct port *port) // check if there is something to send if (port->ntt && (port->sm_vars & AD_PORT_LACP_ENABLED)) { __update_lacpdu_from_port(port); - // send the lacpdu + if (ad_lacpdu_send(port) >= 0) { - dprintk("Sent LACPDU on port %d\n", port->actor_port_number); - // mark ntt as false, so it will not be sent again until demanded - port->ntt = 0; + 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 */ + port->ntt = false; } } // restart tx timer(to verify that we will not exceed AD_MAX_TX_IN_SECOND @@ -1218,7 +1191,7 @@ static void ad_periodic_machine(struct port *port) // check if port was reinitialized if (((port->sm_vars & AD_PORT_BEGIN) || !(port->sm_vars & AD_PORT_LACP_ENABLED) || !port->is_enabled) || - (!(port->actor_oper_port_state & AD_STATE_LACP_ACTIVITY) && !(port->partner_oper_port_state & AD_STATE_LACP_ACTIVITY)) + (!(port->actor_oper_port_state & AD_STATE_LACP_ACTIVITY) && !(port->partner_oper.port_state & AD_STATE_LACP_ACTIVITY)) ) { port->sm_periodic_state = AD_NO_PERIODIC; // next state } @@ -1232,12 +1205,12 @@ static void ad_periodic_machine(struct port *port) // If not expired, check if there is some new timeout parameter from the partner state switch (port->sm_periodic_state) { case AD_FAST_PERIODIC: - if (!(port->partner_oper_port_state & AD_STATE_LACP_TIMEOUT)) { + if (!(port->partner_oper.port_state & AD_STATE_LACP_TIMEOUT)) { port->sm_periodic_state = AD_SLOW_PERIODIC; // next state } break; case AD_SLOW_PERIODIC: - if ((port->partner_oper_port_state & AD_STATE_LACP_TIMEOUT)) { + if ((port->partner_oper.port_state & AD_STATE_LACP_TIMEOUT)) { // stop current timer port->sm_periodic_timer_counter = 0; port->sm_periodic_state = AD_PERIODIC_TX; // next state @@ -1253,7 +1226,7 @@ static void ad_periodic_machine(struct port *port) port->sm_periodic_state = AD_FAST_PERIODIC; // next state break; case AD_PERIODIC_TX: - if (!(port->partner_oper_port_state & AD_STATE_LACP_TIMEOUT)) { + if (!(port->partner_oper.port_state & AD_STATE_LACP_TIMEOUT)) { port->sm_periodic_state = AD_SLOW_PERIODIC; // next state } else { port->sm_periodic_state = AD_FAST_PERIODIC; // next state @@ -1266,7 +1239,7 @@ static void ad_periodic_machine(struct port *port) // check if the state machine was changed if (port->sm_periodic_state != last_state) { - dprintk("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 @@ -1278,7 +1251,7 @@ static void ad_periodic_machine(struct port *port) port->sm_periodic_timer_counter = __ad_timer_to_ticks(AD_PERIODIC_TIMER, (u16)(AD_SLOW_PERIODIC_TIME))-1; // decrement 1 tick we lost in the PERIODIC_TX cycle break; case AD_PERIODIC_TX: - port->ntt = 1; + port->ntt = true; break; default: //to silence the compiler break; @@ -1323,7 +1296,7 @@ static void ad_port_selection_logic(struct port *port) port->next_port_in_aggregator=NULL; port->actor_port_aggregator_identifier=0; - dprintk("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); @@ -1352,11 +1325,11 @@ static void ad_port_selection_logic(struct port *port) } // check if current aggregator suits us if (((aggregator->actor_oper_aggregator_key == port->actor_oper_port_key) && // if all parameters match AND - !MAC_ADDRESS_COMPARE(&(aggregator->partner_system), &(port->partner_oper_system)) && - (aggregator->partner_system_priority == port->partner_oper_system_priority) && - (aggregator->partner_oper_aggregator_key == port->partner_oper_key) + !MAC_ADDRESS_COMPARE(&(aggregator->partner_system), &(port->partner_oper.system)) && + (aggregator->partner_system_priority == port->partner_oper.system_priority) && + (aggregator->partner_oper_aggregator_key == port->partner_oper.key) ) && - ((MAC_ADDRESS_COMPARE(&(port->partner_oper_system), &(null_mac_addr)) && // partner answers + ((MAC_ADDRESS_COMPARE(&(port->partner_oper.system), &(null_mac_addr)) && // partner answers !aggregator->is_individual) // but is not individual OR ) ) { @@ -1366,7 +1339,7 @@ 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; - dprintk("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; @@ -1385,16 +1358,16 @@ static void ad_port_selection_logic(struct port *port) // update the new aggregator's parameters // if port was responsed from the end-user if (port->actor_oper_port_key & AD_DUPLEX_KEY_BITS) {// if port is full duplex - port->aggregator->is_individual = 0; + port->aggregator->is_individual = false; } else { - port->aggregator->is_individual = 1; + port->aggregator->is_individual = true; } 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_oper_aggregator_key = port->partner_oper_key; + 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; port->aggregator->lag_ports = port; @@ -1403,7 +1376,7 @@ static void ad_port_selection_logic(struct port *port) // mark this port as selected port->sm_vars |= AD_PORT_SELECTED; - dprintk("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 { printk(KERN_ERR DRV_NAME ": %s: Port %d (on %s) did not find a suitable aggregator\n", port->slave->dev->master->name, @@ -1414,9 +1387,82 @@ static void ad_port_selection_logic(struct port *port) // else set ready=FALSE in all aggregator's ports __set_agg_ports_ready(port->aggregator, __agg_ports_are_ready(port->aggregator)); - if (!__check_agg_selection_timer(port) && (aggregator = __get_first_agg(port))) { - ad_agg_selection_logic(aggregator); + aggregator = __get_first_agg(port); + ad_agg_selection_logic(aggregator); +} + +/* + * Decide if "agg" is a better choice for the new active aggregator that + * the current best, according to the ad_select policy. + */ +static struct aggregator *ad_agg_selection_test(struct aggregator *best, + struct aggregator *curr) +{ + /* + * 0. If no best, select current. + * + * 1. If the current agg is not individual, and the best is + * individual, select current. + * + * 2. If current agg is individual and the best is not, keep best. + * + * 3. Therefore, current and best are both individual or both not + * individual, so: + * + * 3a. If current agg partner replied, and best agg partner did not, + * select current. + * + * 3b. If current agg partner did not reply and best agg partner + * did reply, keep best. + * + * 4. Therefore, current and best both have partner replies or + * both do not, so perform selection policy: + * + * BOND_AD_COUNT: Select by count of ports. If count is equal, + * select by bandwidth. + * + * BOND_AD_STABLE, BOND_AD_BANDWIDTH: Select by bandwidth. + */ + if (!best) + return curr; + + if (!curr->is_individual && best->is_individual) + return curr; + + if (curr->is_individual && !best->is_individual) + return best; + + if (__agg_has_partner(curr) && !__agg_has_partner(best)) + return curr; + + if (!__agg_has_partner(curr) && __agg_has_partner(best)) + return best; + + switch (__get_agg_selection_mode(curr->lag_ports)) { + case BOND_AD_COUNT: + if (curr->num_of_ports > best->num_of_ports) + return curr; + + if (curr->num_of_ports < best->num_of_ports) + return best; + + /*FALLTHROUGH*/ + case BOND_AD_STABLE: + case BOND_AD_BANDWIDTH: + if (__get_agg_bandwidth(curr) > __get_agg_bandwidth(best)) + return curr; + + break; + + default: + printk(KERN_WARNING DRV_NAME + ": %s: Impossible agg select mode %d\n", + curr->slave->dev->master->name, + __get_agg_selection_mode(curr->lag_ports)); + break; } + + return best; } /** @@ -1424,156 +1470,138 @@ static void ad_port_selection_logic(struct port *port) * @aggregator: the aggregator we're looking at * * It is assumed that only one aggregator may be selected for a team. - * The logic of this function is to select (at first time) the aggregator with - * the most ports attached to it, and to reselect the active aggregator only if - * the previous aggregator has no more ports related to it. + * + * The logic of this function is to select the aggregator according to + * the ad_select policy: + * + * BOND_AD_STABLE: select the aggregator with the most ports attached to + * it, and to reselect the active aggregator only if the previous + * aggregator has no more ports related to it. + * + * BOND_AD_BANDWIDTH: select the aggregator with the highest total + * bandwidth, and reselect whenever a link state change takes place or the + * set of slaves in the bond changes. + * + * BOND_AD_COUNT: select the aggregator with largest number of ports + * (slaves), and reselect whenever a link state change takes place or the + * set of slaves in the bond changes. * * FIXME: this function MUST be called with the first agg in the bond, or * __get_active_agg() won't work correctly. This function should be better * called with the bond itself, and retrieve the first agg from it. */ -static void ad_agg_selection_logic(struct aggregator *aggregator) +static void ad_agg_selection_logic(struct aggregator *agg) { - struct aggregator *best_aggregator = NULL, *active_aggregator = NULL; - struct aggregator *last_active_aggregator = NULL, *origin_aggregator; + struct aggregator *best, *active, *origin; struct port *port; - u16 num_of_aggs=0; - origin_aggregator = aggregator; + origin = agg; - //get current active aggregator - last_active_aggregator = __get_active_agg(aggregator); + active = __get_active_agg(agg); + best = active; - // search for the aggregator with the most ports attached to it. do { - // count how many candidate lag's we have - if (aggregator->lag_ports) { - num_of_aggs++; - } - if (aggregator->is_active && !aggregator->is_individual && // if current aggregator is the active aggregator - MAC_ADDRESS_COMPARE(&(aggregator->partner_system), &(null_mac_addr))) { // and partner answers to 802.3ad PDUs - if (aggregator->num_of_ports) { // if any ports attached to the current aggregator - best_aggregator=NULL; // disregard the best aggregator that was chosen by now - break; // stop the selection of other aggregator if there are any ports attached to this active aggregator - } else { // no ports attached to this active aggregator - aggregator->is_active = 0; // mark this aggregator as not active anymore - } - } - if (aggregator->num_of_ports) { // if any ports attached - if (best_aggregator) { // if there is a candidte aggregator - //The reasons for choosing new best aggregator: - // 1. if current agg is NOT individual and the best agg chosen so far is individual OR - // current and best aggs are both individual or both not individual, AND - // 2a. current agg partner reply but best agg partner do not reply OR - // 2b. current agg partner reply OR current agg partner do not reply AND best agg partner also do not reply AND - // current has more ports/bandwidth, or same amount of ports but current has faster ports, THEN - // current agg become best agg so far - - //if current agg is NOT individual and the best agg chosen so far is individual change best_aggregator - if (!aggregator->is_individual && best_aggregator->is_individual) { - best_aggregator=aggregator; - } - // current and best aggs are both individual or both not individual - else if ((aggregator->is_individual && best_aggregator->is_individual) || - (!aggregator->is_individual && !best_aggregator->is_individual)) { - // current and best aggs are both individual or both not individual AND - // current agg partner reply but best agg partner do not reply - if ((MAC_ADDRESS_COMPARE(&(aggregator->partner_system), &(null_mac_addr)) && - !MAC_ADDRESS_COMPARE(&(best_aggregator->partner_system), &(null_mac_addr)))) { - best_aggregator=aggregator; - } - // current agg partner reply OR current agg partner do not reply AND best agg partner also do not reply - else if (! (!MAC_ADDRESS_COMPARE(&(aggregator->partner_system), &(null_mac_addr)) && - MAC_ADDRESS_COMPARE(&(best_aggregator->partner_system), &(null_mac_addr)))) { - if ((__get_agg_selection_mode(aggregator->lag_ports) == AD_BANDWIDTH)&& - (__get_agg_bandwidth(aggregator) > __get_agg_bandwidth(best_aggregator))) { - best_aggregator=aggregator; - } else if (__get_agg_selection_mode(aggregator->lag_ports) == AD_COUNT) { - if (((aggregator->num_of_ports > best_aggregator->num_of_ports) && - (aggregator->actor_oper_aggregator_key & AD_SPEED_KEY_BITS))|| - ((aggregator->num_of_ports == best_aggregator->num_of_ports) && - ((u16)(aggregator->actor_oper_aggregator_key & AD_SPEED_KEY_BITS) > - (u16)(best_aggregator->actor_oper_aggregator_key & AD_SPEED_KEY_BITS)))) { - best_aggregator=aggregator; - } - } - } - } - } else { - best_aggregator=aggregator; + agg->is_active = 0; + + if (agg->num_of_ports) + best = ad_agg_selection_test(best, agg); + + } while ((agg = __get_next_agg(agg))); + + if (best && + __get_agg_selection_mode(best->lag_ports) == BOND_AD_STABLE) { + /* + * For the STABLE policy, don't replace the old active + * aggregator if it's still active (it has an answering + * partner) or if both the best and active don't have an + * answering partner. + */ + if (active && active->lag_ports && + active->lag_ports->is_enabled && + (__agg_has_partner(active) || + (!__agg_has_partner(active) && !__agg_has_partner(best)))) { + if (!(!active->actor_oper_aggregator_key && + best->actor_oper_aggregator_key)) { + best = NULL; + active->is_active = 1; } } - aggregator->is_active = 0; // mark all aggregators as not active anymore - } while ((aggregator = __get_next_agg(aggregator))); - - // if we have new aggregator selected, don't replace the old aggregator if it has an answering partner, - // or if both old aggregator and new aggregator don't have answering partner - if (best_aggregator) { - if (last_active_aggregator && last_active_aggregator->lag_ports && last_active_aggregator->lag_ports->is_enabled && - (MAC_ADDRESS_COMPARE(&(last_active_aggregator->partner_system), &(null_mac_addr)) || // partner answers OR - (!MAC_ADDRESS_COMPARE(&(last_active_aggregator->partner_system), &(null_mac_addr)) && // both old and new - !MAC_ADDRESS_COMPARE(&(best_aggregator->partner_system), &(null_mac_addr)))) // partner do not answer - ) { - // if new aggregator has link, and old aggregator does not, replace old aggregator.(do nothing) - // -> don't replace otherwise. - if (!(!last_active_aggregator->actor_oper_aggregator_key && best_aggregator->actor_oper_aggregator_key)) { - best_aggregator=NULL; - last_active_aggregator->is_active = 1; // don't replace good old aggregator + } - } - } + if (best && (best == active)) { + best = NULL; + active->is_active = 1; } // if there is new best aggregator, activate it - if (best_aggregator) { - for (aggregator = __get_first_agg(best_aggregator->lag_ports); - aggregator; - aggregator = __get_next_agg(aggregator)) { - - dprintk("Agg=%d; Ports=%d; a key=%d; p key=%d; Indiv=%d; Active=%d\n", - aggregator->aggregator_identifier, aggregator->num_of_ports, - aggregator->actor_oper_aggregator_key, aggregator->partner_oper_aggregator_key, - aggregator->is_individual, aggregator->is_active); + 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); + pr_debug("best ports %p slave %p %s\n", + 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); } // check if any partner replys - if (best_aggregator->is_individual) { - printk(KERN_WARNING DRV_NAME ": %s: Warning: No 802.3ad response from " - "the link partner for any adapters in the bond\n", - best_aggregator->slave->dev->master->name); + if (best->is_individual) { + printk(KERN_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); } - // check if there are more than one aggregator - if (num_of_aggs > 1) { - dprintk("Warning: More than one Link Aggregation Group was " - "found in the bond. Only one group will function in the bond\n"); - } - - best_aggregator->is_active = 1; - dprintk("LAG %d choosed as the active LAG\n", best_aggregator->aggregator_identifier); - dprintk("Agg=%d; Ports=%d; a key=%d; p key=%d; Indiv=%d; Active=%d\n", - best_aggregator->aggregator_identifier, best_aggregator->num_of_ports, - best_aggregator->actor_oper_aggregator_key, best_aggregator->partner_oper_aggregator_key, - best_aggregator->is_individual, best_aggregator->is_active); + best->is_active = 1; + pr_debug("LAG %d chosen as the active LAG\n", + 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); // disable the ports that were related to the former active_aggregator - if (last_active_aggregator) { - for (port=last_active_aggregator->lag_ports; port; port=port->next_port_in_aggregator) { + if (active) { + for (port = active->lag_ports; port; + port = port->next_port_in_aggregator) { __disable_port(port); } } } - // if the selected aggregator is of join individuals(partner_system is NULL), enable their ports - active_aggregator = __get_active_agg(origin_aggregator); + /* + * if the selected aggregator is of join individuals + * (partner_system is NULL), enable their ports + */ + active = __get_active_agg(origin); - if (active_aggregator) { - if (!MAC_ADDRESS_COMPARE(&(active_aggregator->partner_system), &(null_mac_addr))) { - for (port=active_aggregator->lag_ports; port; port=port->next_port_in_aggregator) { + if (active) { + if (!__agg_has_partner(active)) { + for (port = active->lag_ports; port; + port = port->next_port_in_aggregator) { __enable_port(port); } } } + + if (origin->slave) { + struct bonding *bond; + + bond = bond_get_bond_by_slave(origin->slave); + if (bond) + bond_3ad_set_carrier(bond); + } } /** @@ -1584,7 +1612,7 @@ static void ad_agg_selection_logic(struct aggregator *aggregator) static void ad_clear_agg(struct aggregator *aggregator) { if (aggregator) { - aggregator->is_individual = 0; + aggregator->is_individual = false; aggregator->actor_admin_aggregator_key = 0; aggregator->actor_oper_aggregator_key = 0; aggregator->partner_system = null_mac_addr; @@ -1595,7 +1623,7 @@ static void ad_clear_agg(struct aggregator *aggregator) aggregator->lag_ports = NULL; aggregator->is_active = 0; aggregator->num_of_ports = 0; - dprintk("LAG %d was cleared\n", aggregator->aggregator_identifier); + pr_debug("LAG %d was cleared\n", aggregator->aggregator_identifier); } } @@ -1623,13 +1651,32 @@ static void ad_initialize_agg(struct aggregator *aggregator) */ static void ad_initialize_port(struct port *port, int lacp_fast) { + static const struct port_params tmpl = { + .system_priority = 0xffff, + .key = 1, + .port_number = 1, + .port_priority = 0xff, + .port_state = 1, + }; + static const struct lacpdu lacpdu = { + .subtype = 0x01, + .version_number = 0x01, + .tlv_type_actor_info = 0x01, + .actor_information_length = 0x14, + .tlv_type_partner_info = 0x02, + .partner_information_length = 0x14, + .tlv_type_collector_info = 0x03, + .collector_information_length = 0x10, + .collector_max_delay = htons(AD_COLLECTOR_MAX_DELAY), + }; + if (port) { port->actor_port_number = 1; port->actor_port_priority = 0xff; port->actor_system = null_mac_addr; port->actor_system_priority = 0xffff; port->actor_port_aggregator_identifier = 0; - port->ntt = 0; + port->ntt = false; port->actor_admin_port_key = 1; port->actor_oper_port_key = 1; port->actor_admin_port_state = AD_STATE_AGGREGATION | AD_STATE_LACP_ACTIVITY; @@ -1639,19 +1686,10 @@ static void ad_initialize_port(struct port *port, int lacp_fast) port->actor_oper_port_state |= AD_STATE_LACP_TIMEOUT; } - port->partner_admin_system = null_mac_addr; - port->partner_oper_system = null_mac_addr; - port->partner_admin_system_priority = 0xffff; - port->partner_oper_system_priority = 0xffff; - port->partner_admin_key = 1; - port->partner_oper_key = 1; - port->partner_admin_port_number = 1; - port->partner_oper_port_number = 1; - port->partner_admin_port_priority = 0xff; - port->partner_oper_port_priority = 0xff; - port->partner_admin_port_state = 1; - port->partner_oper_port_state = 1; - port->is_enabled = 1; + memcpy(&port->partner_admin, &tmpl, sizeof(tmpl)); + memcpy(&port->partner_oper, &tmpl, sizeof(tmpl)); + + port->is_enabled = true; // ****** private parameters ****** port->sm_vars = 0x3; port->sm_rx_state = 0; @@ -1667,7 +1705,7 @@ static void ad_initialize_port(struct port *port, int lacp_fast) port->next_port_in_aggregator = NULL; port->transaction_id = 0; - ad_initialize_lacpdu(&(port->lacpdu)); + memcpy(&port->lacpdu, &lacpdu, sizeof(lacpdu)); } } @@ -1680,7 +1718,7 @@ 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) { - dprintk("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); } } @@ -1693,7 +1731,7 @@ 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))) { - dprintk("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); } } @@ -1731,7 +1769,7 @@ static void ad_marker_info_send(struct port *port) // send the marker information if (ad_marker_send(port, &marker) >= 0) { - dprintk("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 @@ -1755,7 +1793,7 @@ static void ad_marker_info_received(struct bond_marker *marker_info, // send the marker response if (ad_marker_send(port, &marker) >= 0) { - dprintk("Sent Marker Response on port %d\n", port->actor_port_number); + pr_debug("Sent Marker Response on port %d\n", port->actor_port_number); } } @@ -1776,53 +1814,6 @@ static void ad_marker_response_received(struct bond_marker *marker, // DO NOTHING, SINCE WE DECIDED NOT TO IMPLEMENT THIS FEATURE FOR NOW } -/** - * ad_initialize_lacpdu - initialize a given lacpdu structure - * @lacpdu: lacpdu structure to initialize - * - */ -static void ad_initialize_lacpdu(struct lacpdu *lacpdu) -{ - u16 index; - - // initialize lacpdu data - lacpdu->subtype = 0x01; - lacpdu->version_number = 0x01; - lacpdu->tlv_type_actor_info = 0x01; - lacpdu->actor_information_length = 0x14; - // lacpdu->actor_system_priority updated on send - // lacpdu->actor_system updated on send - // lacpdu->actor_key updated on send - // lacpdu->actor_port_priority updated on send - // lacpdu->actor_port updated on send - // lacpdu->actor_state updated on send - lacpdu->tlv_type_partner_info = 0x02; - lacpdu->partner_information_length = 0x14; - for (index=0; index<=2; index++) { - lacpdu->reserved_3_1[index]=0; - } - // lacpdu->partner_system_priority updated on send - // lacpdu->partner_system updated on send - // lacpdu->partner_key updated on send - // lacpdu->partner_port_priority updated on send - // lacpdu->partner_port updated on send - // lacpdu->partner_state updated on send - for (index=0; index<=2; index++) { - lacpdu->reserved_3_2[index]=0; - } - lacpdu->tlv_type_collector_info = 0x03; - lacpdu->collector_information_length= 0x10; - lacpdu->collector_max_delay = htons(AD_COLLECTOR_MAX_DELAY); - for (index=0; index<=11; index++) { - lacpdu->reserved_12[index]=0; - } - lacpdu->tlv_type_terminator = 0x00; - lacpdu->terminator_length = 0; - for (index=0; index<=49; index++) { - lacpdu->reserved_50[index]=0; - } -} - ////////////////////////////////////////////////////////////////////////////////////// // ================= AD exported functions to the main bonding code ================== ////////////////////////////////////////////////////////////////////////////////////// @@ -1830,6 +1821,19 @@ static void ad_initialize_lacpdu(struct lacpdu *lacpdu) // Check aggregators status in team every T seconds #define AD_AGGREGATOR_SELECTION_TIMER 8 +/* + * bond_3ad_initiate_agg_selection(struct bonding *bond) + * + * Set the aggregation selection timer, to initiate an agg selection in + * the very near future. Called during first initialization, and during + * any down to up transitions of the bond. + */ +void bond_3ad_initiate_agg_selection(struct bonding *bond, int timeout) +{ + BOND_AD_INFO(bond).agg_select_timer = timeout; + BOND_AD_INFO(bond).agg_select_mode = bond->params.ad_select; +} + static u16 aggregator_identifier; /** @@ -1854,9 +1858,9 @@ void bond_3ad_initialize(struct bonding *bond, u16 tick_resolution, int lacp_fas // initialize how many times this module is called in one second(should be about every 100ms) ad_ticks_per_sec = tick_resolution; - // initialize the aggregator selection timer(to activate an aggregation selection after initialize) - BOND_AD_INFO(bond).agg_select_timer = (AD_AGGREGATOR_SELECTION_TIMER * ad_ticks_per_sec); - BOND_AD_INFO(bond).agg_select_mode = AD_BANDWIDTH; + bond_3ad_initiate_agg_selection(bond, + AD_AGGREGATOR_SELECTION_TIMER * + ad_ticks_per_sec); } } @@ -1956,7 +1960,7 @@ void bond_3ad_unbind_slave(struct slave *slave) return; } - dprintk("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; @@ -1980,7 +1984,7 @@ 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))) { - dprintk("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) { printk(KERN_INFO DRV_NAME ": %s: Removing an active aggregator\n", @@ -2031,7 +2035,7 @@ void bond_3ad_unbind_slave(struct slave *slave) } } - dprintk("Unbinding port %d\n", port->actor_port_number); + pr_debug("Unbinding port %d\n", port->actor_port_number); // find the aggregator that this port is connected to temp_aggregator = __get_first_agg(port); for (; temp_aggregator; temp_aggregator = __get_next_agg(temp_aggregator)) { @@ -2162,7 +2166,7 @@ static void bond_3ad_rx_indication(struct lacpdu *lacpdu, struct slave *slave, u switch (lacpdu->subtype) { case AD_TYPE_LACPDU: - dprintk("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; @@ -2171,17 +2175,17 @@ 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: - dprintk("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: - dprintk("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: - dprintk("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); } } } @@ -2209,7 +2213,7 @@ 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); - dprintk("Port %d changed speed\n", port->actor_port_number); + 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 port->sm_vars |= AD_PORT_BEGIN; @@ -2237,7 +2241,7 @@ 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); - dprintk("Port %d changed duplex\n", port->actor_port_number); + 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 port->sm_vars |= AD_PORT_BEGIN; @@ -2267,14 +2271,14 @@ void bond_3ad_handle_link_change(struct slave *slave, char link) // on link down we are zeroing duplex and speed since some of the adaptors(ce1000.lan) report full duplex/speed instead of N/A(duplex) / 0(speed) // on link up we are forcing recheck on the duplex and speed since some of he adaptors(ce1000.lan) report if (link == BOND_LINK_UP) { - port->is_enabled = 1; + 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_admin_port_key &= ~AD_SPEED_KEY_BITS; port->actor_oper_port_key=port->actor_admin_port_key |= (__get_link_speed(port) << 1); } else { /* link has failed */ - port->is_enabled = 0; + 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); } @@ -2346,7 +2350,7 @@ int bond_3ad_get_active_agg_info(struct bonding *bond, struct ad_info *ad_info) int bond_3ad_xmit_xor(struct sk_buff *skb, struct net_device *dev) { struct slave *slave, *start_at; - struct bonding *bond = dev->priv; + struct bonding *bond = netdev_priv(dev); int slave_agg_no; int slaves_in_agg; int agg_id; @@ -2426,7 +2430,7 @@ out: int bond_3ad_lacpdu_recv(struct sk_buff *skb, struct net_device *dev, struct packet_type* ptype, struct net_device *orig_dev) { - struct bonding *bond = dev->priv; + struct bonding *bond = netdev_priv(dev); struct slave *slave = NULL; int ret = NET_RX_DROP; @@ -2437,7 +2441,8 @@ int bond_3ad_lacpdu_recv(struct sk_buff *skb, struct net_device *dev, struct pac goto out; read_lock(&bond->lock); - slave = bond_get_slave_by_dev((struct bonding *)dev->priv, orig_dev); + slave = bond_get_slave_by_dev((struct bonding *)netdev_priv(dev), + orig_dev); if (!slave) goto out_unlock; |