static int max_bonds = BOND_DEFAULT_MAX_BONDS;
static int tx_queues = BOND_DEFAULT_TX_QUEUES;
-static int num_grat_arp = 1;
-static int num_unsol_na = 1;
static int miimon = BOND_LINK_MON_INTERV;
static int updelay;
static int downdelay;
MODULE_PARM_DESC(max_bonds, "Max number of bonded devices");
module_param(tx_queues, int, 0);
MODULE_PARM_DESC(tx_queues, "Max number of transmit queues (default = 16)");
-module_param(num_grat_arp, int, 0644);
-MODULE_PARM_DESC(num_grat_arp, "Number of gratuitous ARP packets to send on failover event");
-module_param(num_unsol_na, int, 0644);
-MODULE_PARM_DESC(num_unsol_na, "Number of unsolicited IPv6 Neighbor Advertisements packets to send on failover event");
module_param(miimon, int, 0);
MODULE_PARM_DESC(miimon, "Link check interval in milliseconds");
module_param(updelay, int, 0);
/*-------------------------- Forward declarations ---------------------------*/
-static void bond_send_gratuitous_arp(struct bonding *bond);
static int bond_init(struct net_device *bond_dev);
static void bond_uninit(struct net_device *bond_dev);
bond_do_fail_over_mac(bond, new_active,
old_active);
- if (netif_running(bond->dev)) {
- bond->send_grat_arp = bond->params.num_grat_arp;
- bond_send_gratuitous_arp(bond);
-
- bond->send_unsol_na = bond->params.num_unsol_na;
- bond_send_unsolicited_na(bond);
- }
-
write_unlock_bh(&bond->curr_slave_lock);
read_unlock(&bond->lock);
if (bond->slave_cnt == 0)
goto re_arm;
- if (bond->send_grat_arp) {
- read_lock(&bond->curr_slave_lock);
- bond_send_gratuitous_arp(bond);
- read_unlock(&bond->curr_slave_lock);
- }
-
- if (bond->send_unsol_na) {
- read_lock(&bond->curr_slave_lock);
- bond_send_unsolicited_na(bond);
- read_unlock(&bond->curr_slave_lock);
- }
-
if (bond_miimon_inspect(bond)) {
read_unlock(&bond->lock);
rtnl_lock();
}
}
-/*
- * Kick out a gratuitous ARP for an IP on the bonding master plus one
- * for each VLAN above us.
- *
- * Caller must hold curr_slave_lock for read or better
- */
-static void bond_send_gratuitous_arp(struct bonding *bond)
-{
- struct slave *slave = bond->curr_active_slave;
- struct vlan_entry *vlan;
-
- pr_debug("bond_send_grat_arp: bond %s slave %s\n",
- bond->dev->name, slave ? slave->dev->name : "NULL");
-
- if (!slave || !bond->send_grat_arp ||
- test_bit(__LINK_STATE_LINKWATCH_PENDING, &slave->dev->state))
- return;
-
- bond->send_grat_arp--;
-
- if (bond->master_ip) {
- bond_arp_send(slave->dev, ARPOP_REPLY, bond->master_ip,
- bond->master_ip, 0);
- }
-
- if (!bond->vlgrp)
- return;
-
- list_for_each_entry(vlan, &bond->vlan_list, vlan_list) {
- if (vlan->vlan_ip) {
- bond_arp_send(slave->dev, ARPOP_REPLY, vlan->vlan_ip,
- vlan->vlan_ip, vlan->vlan_id);
- }
- }
-}
-
static void bond_validate_arp(struct bonding *bond, struct slave *slave, __be32 sip, __be32 tip)
{
int i;
if (bond->slave_cnt == 0)
goto re_arm;
- if (bond->send_grat_arp) {
- read_lock(&bond->curr_slave_lock);
- bond_send_gratuitous_arp(bond);
- read_unlock(&bond->curr_slave_lock);
- }
-
- if (bond->send_unsol_na) {
- read_lock(&bond->curr_slave_lock);
- bond_send_unsolicited_na(bond);
- read_unlock(&bond->curr_slave_lock);
- }
-
if (bond_ab_arp_inspect(bond, delta_in_ticks)) {
read_unlock(&bond->lock);
rtnl_lock();
write_lock_bh(&bond->lock);
- bond->send_grat_arp = 0;
- bond->send_unsol_na = 0;
-
/* signal timers not to re-arm */
bond->kill_timers = 1;
use_carrier = 1;
}
- if (num_grat_arp < 0 || num_grat_arp > 255) {
- pr_warning("Warning: num_grat_arp (%d) not in range 0-255 so it was reset to 1\n",
- num_grat_arp);
- num_grat_arp = 1;
- }
-
- if (num_unsol_na < 0 || num_unsol_na > 255) {
- pr_warning("Warning: num_unsol_na (%d) not in range 0-255 so it was reset to 1\n",
- num_unsol_na);
- num_unsol_na = 1;
- }
-
/* reset values for 802.3ad */
if (bond_mode == BOND_MODE_8023AD) {
if (!miimon) {
params->mode = bond_mode;
params->xmit_policy = xmit_hashtype;
params->miimon = miimon;
- params->num_grat_arp = num_grat_arp;
- params->num_unsol_na = num_unsol_na;
params->arp_interval = arp_interval;
params->arp_validate = arp_validate_value;
params->updelay = updelay;
register_netdevice_notifier(&bond_netdev_notifier);
register_inetaddr_notifier(&bond_inetaddr_notifier);
- bond_register_ipv6_notifier();
out:
return res;
err:
{
unregister_netdevice_notifier(&bond_netdev_notifier);
unregister_inetaddr_notifier(&bond_inetaddr_notifier);
- bond_unregister_ipv6_notifier();
bond_destroy_sysfs();
bond_destroy_debugfs();
bonding_show_ad_select, bonding_store_ad_select);
/*
- * Show and set the number of grat ARP to send after a failover event.
- */
-static ssize_t bonding_show_n_grat_arp(struct device *d,
- struct device_attribute *attr,
- char *buf)
-{
- struct bonding *bond = to_bond(d);
-
- return sprintf(buf, "%d\n", bond->params.num_grat_arp);
-}
-
-static ssize_t bonding_store_n_grat_arp(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 (sscanf(buf, "%d", &new_value) != 1) {
- pr_err("%s: no num_grat_arp value specified.\n",
- bond->dev->name);
- ret = -EINVAL;
- goto out;
- }
- if (new_value < 0 || new_value > 255) {
- pr_err("%s: Invalid num_grat_arp value %d not in range 0-255; rejected.\n",
- bond->dev->name, new_value);
- ret = -EINVAL;
- goto out;
- } else {
- bond->params.num_grat_arp = new_value;
- }
-out:
- return ret;
-}
-static DEVICE_ATTR(num_grat_arp, S_IRUGO | S_IWUSR,
- bonding_show_n_grat_arp, bonding_store_n_grat_arp);
-
-/*
- * Show and set the number of unsolicited NA's to send after a failover event.
- */
-static ssize_t bonding_show_n_unsol_na(struct device *d,
- struct device_attribute *attr,
- char *buf)
-{
- struct bonding *bond = to_bond(d);
-
- return sprintf(buf, "%d\n", bond->params.num_unsol_na);
-}
-
-static ssize_t bonding_store_n_unsol_na(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 (sscanf(buf, "%d", &new_value) != 1) {
- pr_err("%s: no num_unsol_na value specified.\n",
- bond->dev->name);
- ret = -EINVAL;
- goto out;
- }
-
- if (new_value < 0 || new_value > 255) {
- pr_err("%s: Invalid num_unsol_na value %d not in range 0-255; rejected.\n",
- bond->dev->name, new_value);
- ret = -EINVAL;
- goto out;
- } else
- bond->params.num_unsol_na = new_value;
-out:
- return ret;
-}
-static DEVICE_ATTR(num_unsol_na, S_IRUGO | S_IWUSR,
- bonding_show_n_unsol_na, bonding_store_n_unsol_na);
-
-/*
* Show and set the MII monitor interval. There are two tricky bits
* here. First, if MII monitoring is activated, then we must disable
* ARP monitoring. Second, if the timer isn't running, we must
&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,
&dev_attr_miimon.attr,
&dev_attr_primary.attr,
&dev_attr_primary_reselect.attr,
int mode;
int xmit_policy;
int miimon;
- int num_grat_arp;
- int num_unsol_na;
int arp_interval;
int arp_validate;
int use_carrier;
struct list_head vlan_list;
__be32 vlan_ip;
unsigned short vlan_id;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
- struct in6_addr vlan_ipv6;
-#endif
};
struct slave {
rwlock_t lock;
rwlock_t curr_slave_lock;
s8 kill_timers;
- s8 send_grat_arp;
- s8 send_unsol_na;
s8 setup_by_slave;
s8 igmp_retrans;
#ifdef CONFIG_PROC_FS
struct delayed_work alb_work;
struct delayed_work ad_work;
struct delayed_work mcast_work;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
- struct in6_addr master_ipv6;
-#endif
#ifdef CONFIG_DEBUG_FS
/* debugging suport via debugfs */
struct dentry *debug_dir;
extern const struct bond_parm_tbl pri_reselect_tbl[];
extern struct bond_parm_tbl ad_select_tbl[];
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
-void bond_send_unsolicited_na(struct bonding *bond);
-void bond_register_ipv6_notifier(void);
-void bond_unregister_ipv6_notifier(void);
-#else
-static inline void bond_send_unsolicited_na(struct bonding *bond)
-{
- return;
-}
-static inline void bond_register_ipv6_notifier(void)
-{
- return;
-}
-static inline void bond_unregister_ipv6_notifier(void)
-{
- return;
-}
-#endif
-
#endif /* _LINUX_BONDING_H */
projects / linux-flexiantxendom0-3.2.10.git / commitdiff