diff options
Diffstat (limited to 'drivers/net/bonding/bond_main.c')
| -rw-r--r-- | drivers/net/bonding/bond_main.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 2a0039f1937..fa3c2101fe7 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -88,6 +88,7 @@ #define BOND_LINK_ARP_INTERV 0 static int max_bonds = BOND_DEFAULT_MAX_BONDS; +static int num_grat_arp = 1; static int miimon = BOND_LINK_MON_INTERV; static int updelay = 0; static int downdelay = 0; @@ -104,6 +105,8 @@ struct bond_params bonding_defaults; module_param(max_bonds, int, 0); MODULE_PARM_DESC(max_bonds, "Max number of bonded devices"); +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(miimon, int, 0); MODULE_PARM_DESC(miimon, "Link check interval in milliseconds"); module_param(updelay, int, 0); @@ -1109,14 +1112,18 @@ void bond_change_active_slave(struct bonding *bond, struct slave *new_active) if (new_active && bond->params.fail_over_mac) memcpy(bond->dev->dev_addr, new_active->dev->dev_addr, new_active->dev->addr_len); + bond->send_grat_arp = bond->params.num_grat_arp; if (bond->curr_active_slave && test_bit(__LINK_STATE_LINKWATCH_PENDING, &bond->curr_active_slave->dev->state)) { dprintk("delaying gratuitous arp on %s\n", bond->curr_active_slave->dev->name); - bond->send_grat_arp = 1; - } else - bond_send_gratuitous_arp(bond); + } else { + if (bond->send_grat_arp > 0) { + bond_send_gratuitous_arp(bond); + bond->send_grat_arp--; + } + } } } @@ -2144,7 +2151,7 @@ static int __bond_mii_monitor(struct bonding *bond, int have_locks) dprintk("sending delayed gratuitous arp on on %s\n", bond->curr_active_slave->dev->name); bond_send_gratuitous_arp(bond); - bond->send_grat_arp = 0; + bond->send_grat_arp--; } } read_lock(&bond->curr_slave_lock); @@ -4626,6 +4633,13 @@ static int bond_check_params(struct bond_params *params) use_carrier = 1; } + if (num_grat_arp < 0 || num_grat_arp > 255) { + printk(KERN_WARNING DRV_NAME + ": Warning: num_grat_arp (%d) not in range 0-255 so it " + "was reset to 1 \n", num_grat_arp); + num_grat_arp = 1; + } + /* reset values for 802.3ad */ if (bond_mode == BOND_MODE_8023AD) { if (!miimon) { @@ -4813,6 +4827,7 @@ static int bond_check_params(struct bond_params *params) params->mode = bond_mode; params->xmit_policy = xmit_hashtype; params->miimon = miimon; + params->num_grat_arp = num_grat_arp; params->arp_interval = arp_interval; params->arp_validate = arp_validate_value; params->updelay = updelay; |