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-rw-r--r--drivers/net/bonding/bond_main.c31
-rw-r--r--drivers/net/bonding/bond_netlink.c14
-rw-r--r--drivers/net/bonding/bond_options.c71
-rw-r--r--drivers/net/bonding/bond_procfs.c2
-rw-r--r--drivers/net/bonding/bond_sysfs.c13
-rw-r--r--include/net/bond_options.h1
-rw-r--r--include/net/bonding.h1
-rw-r--r--include/uapi/linux/if_link.h1
-rw-r--r--tools/include/uapi/linux/if_link.h1
9 files changed, 98 insertions, 37 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 84168455aded..302499ae05e6 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -796,6 +796,8 @@ static bool bond_should_notify_peers(struct bonding *bond)
slave ? slave->dev->name : "NULL");
if (!slave || !bond->send_peer_notif ||
+ bond->send_peer_notif %
+ max(1, bond->params.peer_notif_delay) != 0 ||
!netif_carrier_ok(bond->dev) ||
test_bit(__LINK_STATE_LINKWATCH_PENDING, &slave->dev->state))
return false;
@@ -886,15 +888,18 @@ void bond_change_active_slave(struct bonding *bond, struct slave *new_active)
if (netif_running(bond->dev)) {
bond->send_peer_notif =
- bond->params.num_peer_notif;
+ bond->params.num_peer_notif *
+ max(1, bond->params.peer_notif_delay);
should_notify_peers =
bond_should_notify_peers(bond);
}
call_netdevice_notifiers(NETDEV_BONDING_FAILOVER, bond->dev);
- if (should_notify_peers)
+ if (should_notify_peers) {
+ bond->send_peer_notif--;
call_netdevice_notifiers(NETDEV_NOTIFY_PEERS,
bond->dev);
+ }
}
}
@@ -2279,6 +2284,7 @@ static void bond_mii_monitor(struct work_struct *work)
struct bonding *bond = container_of(work, struct bonding,
mii_work.work);
bool should_notify_peers = false;
+ bool commit;
unsigned long delay;
struct slave *slave;
struct list_head *iter;
@@ -2289,12 +2295,19 @@ static void bond_mii_monitor(struct work_struct *work)
goto re_arm;
rcu_read_lock();
-
should_notify_peers = bond_should_notify_peers(bond);
-
- if (bond_miimon_inspect(bond)) {
+ commit = !!bond_miimon_inspect(bond);
+ if (bond->send_peer_notif) {
+ rcu_read_unlock();
+ if (rtnl_trylock()) {
+ bond->send_peer_notif--;
+ rtnl_unlock();
+ }
+ } else {
rcu_read_unlock();
+ }
+ if (commit) {
/* Race avoidance with bond_close cancel of workqueue */
if (!rtnl_trylock()) {
delay = 1;
@@ -2308,8 +2321,7 @@ static void bond_mii_monitor(struct work_struct *work)
bond_miimon_commit(bond);
rtnl_unlock(); /* might sleep, hold no other locks */
- } else
- rcu_read_unlock();
+ }
re_arm:
if (bond->params.miimon)
@@ -3065,10 +3077,6 @@ static int bond_master_netdev_event(unsigned long event,
case NETDEV_REGISTER:
bond_create_proc_entry(event_bond);
break;
- case NETDEV_NOTIFY_PEERS:
- if (event_bond->send_peer_notif)
- event_bond->send_peer_notif--;
- break;
default:
break;
}
@@ -4691,6 +4699,7 @@ static int bond_check_params(struct bond_params *params)
params->arp_all_targets = arp_all_targets_value;
params->updelay = updelay;
params->downdelay = downdelay;
+ params->peer_notif_delay = 0;
params->use_carrier = use_carrier;
params->lacp_fast = lacp_fast;
params->primary[0] = 0;
diff --git a/drivers/net/bonding/bond_netlink.c b/drivers/net/bonding/bond_netlink.c
index b24cce48ae35..a259860a7208 100644
--- a/drivers/net/bonding/bond_netlink.c
+++ b/drivers/net/bonding/bond_netlink.c
@@ -108,6 +108,7 @@ static const struct nla_policy bond_policy[IFLA_BOND_MAX + 1] = {
[IFLA_BOND_AD_ACTOR_SYSTEM] = { .type = NLA_BINARY,
.len = ETH_ALEN },
[IFLA_BOND_TLB_DYNAMIC_LB] = { .type = NLA_U8 },
+ [IFLA_BOND_PEER_NOTIF_DELAY] = { .type = NLA_U32 },
};
static const struct nla_policy bond_slave_policy[IFLA_BOND_SLAVE_MAX + 1] = {
@@ -215,6 +216,14 @@ static int bond_changelink(struct net_device *bond_dev, struct nlattr *tb[],
if (err)
return err;
}
+ if (data[IFLA_BOND_PEER_NOTIF_DELAY]) {
+ int delay = nla_get_u32(data[IFLA_BOND_PEER_NOTIF_DELAY]);
+
+ bond_opt_initval(&newval, delay);
+ err = __bond_opt_set(bond, BOND_OPT_PEER_NOTIF_DELAY, &newval);
+ if (err)
+ return err;
+ }
if (data[IFLA_BOND_USE_CARRIER]) {
int use_carrier = nla_get_u8(data[IFLA_BOND_USE_CARRIER]);
@@ -494,6 +503,7 @@ static size_t bond_get_size(const struct net_device *bond_dev)
nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_USER_PORT_KEY */
nla_total_size(ETH_ALEN) + /* IFLA_BOND_AD_ACTOR_SYSTEM */
nla_total_size(sizeof(u8)) + /* IFLA_BOND_TLB_DYNAMIC_LB */
+ nla_total_size(sizeof(u32)) + /* IFLA_BOND_PEER_NOTIF_DELAY */
0;
}
@@ -536,6 +546,10 @@ static int bond_fill_info(struct sk_buff *skb,
bond->params.downdelay * bond->params.miimon))
goto nla_put_failure;
+ if (nla_put_u32(skb, IFLA_BOND_PEER_NOTIF_DELAY,
+ bond->params.downdelay * bond->params.miimon))
+ goto nla_put_failure;
+
if (nla_put_u8(skb, IFLA_BOND_USE_CARRIER, bond->params.use_carrier))
goto nla_put_failure;
diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c
index 0d852fe9da7c..ddb3916d3506 100644
--- a/drivers/net/bonding/bond_options.c
+++ b/drivers/net/bonding/bond_options.c
@@ -24,6 +24,8 @@ static int bond_option_updelay_set(struct bonding *bond,
const struct bond_opt_value *newval);
static int bond_option_downdelay_set(struct bonding *bond,
const struct bond_opt_value *newval);
+static int bond_option_peer_notif_delay_set(struct bonding *bond,
+ const struct bond_opt_value *newval);
static int bond_option_use_carrier_set(struct bonding *bond,
const struct bond_opt_value *newval);
static int bond_option_arp_interval_set(struct bonding *bond,
@@ -424,6 +426,13 @@ static const struct bond_option bond_opts[BOND_OPT_LAST] = {
.desc = "Number of peer notifications to send on failover event",
.values = bond_num_peer_notif_tbl,
.set = bond_option_num_peer_notif_set
+ },
+ [BOND_OPT_PEER_NOTIF_DELAY] = {
+ .id = BOND_OPT_PEER_NOTIF_DELAY,
+ .name = "peer_notif_delay",
+ .desc = "Delay between each peer notification on failover event, in milliseconds",
+ .values = bond_intmax_tbl,
+ .set = bond_option_peer_notif_delay_set
}
};
@@ -841,6 +850,9 @@ static int bond_option_miimon_set(struct bonding *bond,
if (bond->params.downdelay)
netdev_dbg(bond->dev, "Note: Updating downdelay (to %d) since it is a multiple of the miimon value\n",
bond->params.downdelay * bond->params.miimon);
+ if (bond->params.peer_notif_delay)
+ netdev_dbg(bond->dev, "Note: Updating peer_notif_delay (to %d) since it is a multiple of the miimon value\n",
+ bond->params.peer_notif_delay * bond->params.miimon);
if (newval->value && bond->params.arp_interval) {
netdev_dbg(bond->dev, "MII monitoring cannot be used with ARP monitoring - disabling ARP monitoring...\n");
bond->params.arp_interval = 0;
@@ -864,52 +876,59 @@ static int bond_option_miimon_set(struct bonding *bond,
return 0;
}
-/* Set up and down delays. These must be multiples of the
- * MII monitoring value, and are stored internally as the multiplier.
- * Thus, we must translate to MS for the real world.
+/* Set up, down and peer notification delays. These must be multiples
+ * of the MII monitoring value, and are stored internally as the
+ * multiplier. Thus, we must translate to MS for the real world.
*/
-static int bond_option_updelay_set(struct bonding *bond,
- const struct bond_opt_value *newval)
+static int _bond_option_delay_set(struct bonding *bond,
+ const struct bond_opt_value *newval,
+ const char *name,
+ int *target)
{
int value = newval->value;
if (!bond->params.miimon) {
- netdev_err(bond->dev, "Unable to set up delay as MII monitoring is disabled\n");
+ netdev_err(bond->dev, "Unable to set %s as MII monitoring is disabled\n",
+ name);
return -EPERM;
}
if ((value % bond->params.miimon) != 0) {
- netdev_warn(bond->dev, "up delay (%d) is not a multiple of miimon (%d), updelay rounded to %d ms\n",
+ netdev_warn(bond->dev,
+ "%s (%d) is not a multiple of miimon (%d), value rounded to %d ms\n",
+ name,
value, bond->params.miimon,
(value / bond->params.miimon) *
bond->params.miimon);
}
- bond->params.updelay = value / bond->params.miimon;
- netdev_dbg(bond->dev, "Setting up delay to %d\n",
- bond->params.updelay * bond->params.miimon);
+ *target = value / bond->params.miimon;
+ netdev_dbg(bond->dev, "Setting %s to %d\n",
+ name,
+ *target * bond->params.miimon);
return 0;
}
+static int bond_option_updelay_set(struct bonding *bond,
+ const struct bond_opt_value *newval)
+{
+ return _bond_option_delay_set(bond, newval, "up delay",
+ &bond->params.updelay);
+}
+
static int bond_option_downdelay_set(struct bonding *bond,
const struct bond_opt_value *newval)
{
- int value = newval->value;
-
- if (!bond->params.miimon) {
- netdev_err(bond->dev, "Unable to set down delay as MII monitoring is disabled\n");
- return -EPERM;
- }
- if ((value % bond->params.miimon) != 0) {
- netdev_warn(bond->dev, "down delay (%d) is not a multiple of miimon (%d), delay rounded to %d ms\n",
- value, bond->params.miimon,
- (value / bond->params.miimon) *
- bond->params.miimon);
- }
- bond->params.downdelay = value / bond->params.miimon;
- netdev_dbg(bond->dev, "Setting down delay to %d\n",
- bond->params.downdelay * bond->params.miimon);
+ return _bond_option_delay_set(bond, newval, "down delay",
+ &bond->params.downdelay);
+}
- return 0;
+static int bond_option_peer_notif_delay_set(struct bonding *bond,
+ const struct bond_opt_value *newval)
+{
+ int ret = _bond_option_delay_set(bond, newval,
+ "peer notification delay",
+ &bond->params.peer_notif_delay);
+ return ret;
}
static int bond_option_use_carrier_set(struct bonding *bond,
diff --git a/drivers/net/bonding/bond_procfs.c b/drivers/net/bonding/bond_procfs.c
index 9f7d83e827c3..fd5c9cbe45b1 100644
--- a/drivers/net/bonding/bond_procfs.c
+++ b/drivers/net/bonding/bond_procfs.c
@@ -104,6 +104,8 @@ static void bond_info_show_master(struct seq_file *seq)
bond->params.updelay * bond->params.miimon);
seq_printf(seq, "Down Delay (ms): %d\n",
bond->params.downdelay * bond->params.miimon);
+ seq_printf(seq, "Peer Notification Delay (ms): %d\n",
+ bond->params.peer_notif_delay * bond->params.miimon);
/* ARP information */
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index 94214eaf53c5..2d615a93685e 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -327,6 +327,18 @@ static ssize_t bonding_show_updelay(struct device *d,
static DEVICE_ATTR(updelay, 0644,
bonding_show_updelay, bonding_sysfs_store_option);
+static ssize_t bonding_show_peer_notif_delay(struct device *d,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct bonding *bond = to_bond(d);
+
+ return sprintf(buf, "%d\n",
+ bond->params.peer_notif_delay * bond->params.miimon);
+}
+static DEVICE_ATTR(peer_notif_delay, 0644,
+ bonding_show_peer_notif_delay, bonding_sysfs_store_option);
+
/* Show the LACP interval. */
static ssize_t bonding_show_lacp(struct device *d,
struct device_attribute *attr,
@@ -718,6 +730,7 @@ static struct attribute *per_bond_attrs[] = {
&dev_attr_arp_ip_target.attr,
&dev_attr_downdelay.attr,
&dev_attr_updelay.attr,
+ &dev_attr_peer_notif_delay.attr,
&dev_attr_lacp_rate.attr,
&dev_attr_ad_select.attr,
&dev_attr_xmit_hash_policy.attr,
diff --git a/include/net/bond_options.h b/include/net/bond_options.h
index 2a05cc349018..9d382f2f0bc5 100644
--- a/include/net/bond_options.h
+++ b/include/net/bond_options.h
@@ -63,6 +63,7 @@ enum {
BOND_OPT_AD_ACTOR_SYSTEM,
BOND_OPT_AD_USER_PORT_KEY,
BOND_OPT_NUM_PEER_NOTIF_ALIAS,
+ BOND_OPT_PEER_NOTIF_DELAY,
BOND_OPT_LAST
};
diff --git a/include/net/bonding.h b/include/net/bonding.h
index 676e7fae05a3..f7fe45689142 100644
--- a/include/net/bonding.h
+++ b/include/net/bonding.h
@@ -123,6 +123,7 @@ struct bond_params {
int fail_over_mac;
int updelay;
int downdelay;
+ int peer_notif_delay;
int lacp_fast;
unsigned int min_links;
int ad_select;
diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index 6f75bda2c2d7..4a8c02cafa9a 100644
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -636,6 +636,7 @@ enum {
IFLA_BOND_AD_USER_PORT_KEY,
IFLA_BOND_AD_ACTOR_SYSTEM,
IFLA_BOND_TLB_DYNAMIC_LB,
+ IFLA_BOND_PEER_NOTIF_DELAY,
__IFLA_BOND_MAX,
};
diff --git a/tools/include/uapi/linux/if_link.h b/tools/include/uapi/linux/if_link.h
index 5b225ff63b48..7d113a9602f0 100644
--- a/tools/include/uapi/linux/if_link.h
+++ b/tools/include/uapi/linux/if_link.h
@@ -636,6 +636,7 @@ enum {
IFLA_BOND_AD_USER_PORT_KEY,
IFLA_BOND_AD_ACTOR_SYSTEM,
IFLA_BOND_TLB_DYNAMIC_LB,
+ IFLA_BOND_PEER_NOTIF_DELAY,
__IFLA_BOND_MAX,
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 22:35:25 +0000