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-rw-r--r--drivers/net/bonding/bond_3ad.c326
-rw-r--r--drivers/net/bonding/bond_3ad.h10
-rw-r--r--drivers/net/bonding/bond_main.c30
-rw-r--r--drivers/net/bonding/bond_sysfs.c49
-rw-r--r--drivers/net/bonding/bonding.h5
5 files changed, 291 insertions, 129 deletions
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index 6106660a4a4..ba1372f2f14 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -27,6 +27,7 @@
#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>
@@ -236,6 +237,17 @@ 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 +286,14 @@ 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;
@@ -1414,9 +1426,82 @@ 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 +1509,138 @@ 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
+ 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;
}
}
- 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;
- }
- }
- 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) {
+ dprintk("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);
+ dprintk("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)) {
+
+ dprintk("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);
- }
-
- // 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");
+ 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);
}
- 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;
+ dprintk("LAG %d chosen as the active LAG\n",
+ best->aggregator_identifier);
+ dprintk("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);
+ }
}
/**
@@ -1830,6 +1897,19 @@ 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 +1934,9 @@ 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);
}
}
diff --git a/drivers/net/bonding/bond_3ad.h b/drivers/net/bonding/bond_3ad.h
index b5ee45f6d55..a803fe05f63 100644
--- a/drivers/net/bonding/bond_3ad.h
+++ b/drivers/net/bonding/bond_3ad.h
@@ -42,10 +42,11 @@ typedef struct mac_addr {
u8 mac_addr_value[ETH_ALEN];
} mac_addr_t;
-typedef enum {
- AD_BANDWIDTH = 0,
- AD_COUNT
-} agg_selection_t;
+enum {
+ BOND_AD_STABLE = 0,
+ BOND_AD_BANDWIDTH = 1,
+ BOND_AD_COUNT = 2,
+};
// rx machine states(43.4.11 in the 802.3ad standard)
typedef enum {
@@ -277,6 +278,7 @@ void bond_3ad_initialize(struct bonding *bond, u16 tick_resolution, int lacp_fas
int bond_3ad_bind_slave(struct slave *slave);
void bond_3ad_unbind_slave(struct slave *slave);
void bond_3ad_state_machine_handler(struct work_struct *);
+void bond_3ad_initiate_agg_selection(struct bonding *bond, int timeout);
void bond_3ad_adapter_speed_changed(struct slave *slave);
void bond_3ad_adapter_duplex_changed(struct slave *slave);
void bond_3ad_handle_link_change(struct slave *slave, char link);
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 798d98ce2d9..02de3e03123 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -97,6 +97,7 @@ static int use_carrier = 1;
static char *mode = NULL;
static char *primary = NULL;
static char *lacp_rate = NULL;
+static char *ad_select = NULL;
static char *xmit_hash_policy = NULL;
static int arp_interval = BOND_LINK_ARP_INTERV;
static char *arp_ip_target[BOND_MAX_ARP_TARGETS] = { NULL, };
@@ -130,6 +131,8 @@ MODULE_PARM_DESC(primary, "Primary network device to use");
module_param(lacp_rate, charp, 0);
MODULE_PARM_DESC(lacp_rate, "LACPDU tx rate to request from 802.3ad partner "
"(slow/fast)");
+module_param(ad_select, charp, 0);
+MODULE_PARM_DESC(ad_select, "803.ad aggregation selection logic: stable (0, default), bandwidth (1), count (2)");
module_param(xmit_hash_policy, charp, 0);
MODULE_PARM_DESC(xmit_hash_policy, "XOR hashing method: 0 for layer 2 (default)"
", 1 for layer 3+4");
@@ -200,6 +203,13 @@ struct bond_parm_tbl fail_over_mac_tbl[] = {
{ NULL, -1},
};
+struct bond_parm_tbl ad_select_tbl[] = {
+{ "stable", BOND_AD_STABLE},
+{ "bandwidth", BOND_AD_BANDWIDTH},
+{ "count", BOND_AD_COUNT},
+{ NULL, -1},
+};
+
/*-------------------------- Forward declarations ---------------------------*/
static void bond_send_gratuitous_arp(struct bonding *bond);
@@ -3318,6 +3328,8 @@ static void bond_info_show_master(struct seq_file *seq)
seq_puts(seq, "\n802.3ad info\n");
seq_printf(seq, "LACP rate: %s\n",
(bond->params.lacp_fast) ? "fast" : "slow");
+ seq_printf(seq, "Aggregator selection policy (ad_select): %s\n",
+ ad_select_tbl[bond->params.ad_select].modename);
if (bond_3ad_get_active_agg_info(bond, &ad_info)) {
seq_printf(seq, "bond %s has no active aggregator\n",
@@ -3824,6 +3836,7 @@ static int bond_open(struct net_device *bond_dev)
queue_delayed_work(bond->wq, &bond->ad_work, 0);
/* register to receive LACPDUs */
bond_register_lacpdu(bond);
+ bond_3ad_initiate_agg_selection(bond, 1);
}
return 0;
@@ -4763,6 +4776,23 @@ static int bond_check_params(struct bond_params *params)
}
}
+ if (ad_select) {
+ params->ad_select = bond_parse_parm(ad_select, ad_select_tbl);
+ if (params->ad_select == -1) {
+ printk(KERN_ERR DRV_NAME
+ ": Error: Invalid ad_select \"%s\"\n",
+ ad_select == NULL ? "NULL" : ad_select);
+ return -EINVAL;
+ }
+
+ if (bond_mode != BOND_MODE_8023AD) {
+ printk(KERN_WARNING DRV_NAME
+ ": ad_select param only affects 802.3ad mode\n");
+ }
+ } else {
+ params->ad_select = BOND_AD_STABLE;
+ }
+
if (max_bonds < 0 || max_bonds > INT_MAX) {
printk(KERN_WARNING DRV_NAME
": Warning: max_bonds (%d) not in range %d-%d, so it "
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index 8788e3e3385..aaf2927b5c3 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -48,6 +48,7 @@ extern struct list_head bond_dev_list;
extern struct bond_params bonding_defaults;
extern struct bond_parm_tbl bond_mode_tbl[];
extern struct bond_parm_tbl bond_lacp_tbl[];
+extern struct bond_parm_tbl ad_select_tbl[];
extern struct bond_parm_tbl xmit_hashtype_tbl[];
extern struct bond_parm_tbl arp_validate_tbl[];
extern struct bond_parm_tbl fail_over_mac_tbl[];
@@ -944,6 +945,53 @@ out:
}
static DEVICE_ATTR(lacp_rate, S_IRUGO | S_IWUSR, bonding_show_lacp, bonding_store_lacp);
+static ssize_t bonding_show_ad_select(struct device *d,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct bonding *bond = to_bond(d);
+
+ return sprintf(buf, "%s %d\n",
+ ad_select_tbl[bond->params.ad_select].modename,
+ bond->params.ad_select);
+}
+
+
+static ssize_t bonding_store_ad_select(struct device *d,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ int new_value, ret = count;
+ struct bonding *bond = to_bond(d);
+
+ if (bond->dev->flags & IFF_UP) {
+ printk(KERN_ERR DRV_NAME
+ ": %s: Unable to update ad_select because interface "
+ "is up.\n", bond->dev->name);
+ ret = -EPERM;
+ goto out;
+ }
+
+ new_value = bond_parse_parm(buf, ad_select_tbl);
+
+ if (new_value != -1) {
+ bond->params.ad_select = new_value;
+ printk(KERN_INFO DRV_NAME
+ ": %s: Setting ad_select to %s (%d).\n",
+ bond->dev->name, ad_select_tbl[new_value].modename,
+ new_value);
+ } else {
+ printk(KERN_ERR DRV_NAME
+ ": %s: Ignoring invalid ad_select value %.*s.\n",
+ bond->dev->name, (int)strlen(buf) - 1, buf);
+ ret = -EINVAL;
+ }
+out:
+ return ret;
+}
+
+static DEVICE_ATTR(ad_select, S_IRUGO | S_IWUSR, bonding_show_ad_select, bonding_store_ad_select);
+
/*
* Show and set the number of grat ARP to send after a failover event.
*/
@@ -1459,6 +1507,7 @@ static struct attribute *per_bond_attrs[] = {
&dev_attr_downdelay.attr,
&dev_attr_updelay.attr,
&dev_attr_lacp_rate.attr,
+ &dev_attr_ad_select.attr,
&dev_attr_xmit_hash_policy.attr,
&dev_attr_num_grat_arp.attr,
&dev_attr_num_unsol_na.attr,
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index 0491c7c2645..b5eb8e65b30 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -23,8 +23,8 @@
#include "bond_3ad.h"
#include "bond_alb.h"
-#define DRV_VERSION "3.4.0"
-#define DRV_RELDATE "October 7, 2008"
+#define DRV_VERSION "3.5.0"
+#define DRV_RELDATE "November 4, 2008"
#define DRV_NAME "bonding"
#define DRV_DESCRIPTION "Ethernet Channel Bonding Driver"
@@ -137,6 +137,7 @@ struct bond_params {
int updelay;
int downdelay;
int lacp_fast;
+ int ad_select;
char primary[IFNAMSIZ];
__be32 arp_targets[BOND_MAX_ARP_TARGETS];
};