bonding: add option lp_interval for loading module
The bond driver could set the lp_interval when loading module.
Suggested-by: Scott Feldman <sfeldma@cumulusnetworks.com>
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 881fade..8c97339 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -113,6 +113,7 @@
static struct bond_params bonding_defaults;
static int resend_igmp = BOND_DEFAULT_RESEND_IGMP;
static int packets_per_slave = 1;
+static int lp_interval = BOND_ALB_DEFAULT_LP_INTERVAL;
module_param(max_bonds, int, 0);
MODULE_PARM_DESC(max_bonds, "Max number of bonded devices");
@@ -189,6 +190,10 @@
MODULE_PARM_DESC(packets_per_slave, "Packets to send per slave in balance-rr "
"mode; 0 for a random slave, 1 packet per "
"slave (default), >1 packets per slave.");
+module_param(lp_interval, uint, 0);
+MODULE_PARM_DESC(lp_interval, "The number of seconds between instances where "
+ "the bonding driver sends learning packets to "
+ "each slaves peer switch. The default is 1.");
/*----------------------------- Global variables ----------------------------*/
@@ -4271,6 +4276,12 @@
fail_over_mac_value = BOND_FOM_NONE;
}
+ if (lp_interval == 0) {
+ pr_warning("Warning: ip_interval must be between 1 and %d, so it was reset to %d\n",
+ INT_MAX, BOND_ALB_DEFAULT_LP_INTERVAL);
+ lp_interval = BOND_ALB_DEFAULT_LP_INTERVAL;
+ }
+
/* fill params struct with the proper values */
params->mode = bond_mode;
params->xmit_policy = xmit_hashtype;
@@ -4290,7 +4301,7 @@
params->all_slaves_active = all_slaves_active;
params->resend_igmp = resend_igmp;
params->min_links = min_links;
- params->lp_interval = BOND_ALB_DEFAULT_LP_INTERVAL;
+ params->lp_interval = lp_interval;
if (packets_per_slave > 1)
params->packets_per_slave = reciprocal_value(packets_per_slave);
else