summaryrefslogtreecommitdiffstats
path: root/drivers/net/bonding/bond_options.c
diff options
context:
space:
mode:
authorsfeldma@cumulusnetworks.com <sfeldma@cumulusnetworks.com>2013-12-12 14:10:02 -0800
committerDavid S. Miller <davem@davemloft.net>2013-12-14 01:07:31 -0500
commit25852e29dfc58d249ad0db235996b36c33db6d61 (patch)
tree9bd0ce9103aed2d5c40b2988260f03e65b1a1b3c /drivers/net/bonding/bond_options.c
parenteecdaa6e20284efbe9e76eebd44eac2b22f7b5d7 (diff)
downloadlinux-25852e29dfc58d249ad0db235996b36c33db6d61.tar.gz
linux-25852e29dfc58d249ad0db235996b36c33db6d61.tar.bz2
linux-25852e29dfc58d249ad0db235996b36c33db6d61.zip
bonding: add updelay netlink support
Add IFLA_BOND_UPDELAY to allow get/set of bonding parameter updelay via netlink. Signed-off-by: Scott Feldman <sfeldma@cumulusnetworks.com> Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/bonding/bond_options.c')
-rw-r--r--drivers/net/bonding/bond_options.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c
index 8ae42d36f11f..ae94b847ffcc 100644
--- a/drivers/net/bonding/bond_options.c
+++ b/drivers/net/bonding/bond_options.c
@@ -187,3 +187,32 @@ int bond_option_miimon_set(struct bonding *bond, int miimon)
}
return 0;
}
+
+int bond_option_updelay_set(struct bonding *bond, int updelay)
+{
+ if (!(bond->params.miimon)) {
+ pr_err("%s: Unable to set up delay as MII monitoring is disabled\n",
+ bond->dev->name);
+ return -EPERM;
+ }
+
+ if (updelay < 0) {
+ pr_err("%s: Invalid up delay value %d not in range %d-%d; rejected.\n",
+ bond->dev->name, updelay, 0, INT_MAX);
+ return -EINVAL;
+ } else {
+ if ((updelay % bond->params.miimon) != 0) {
+ pr_warn("%s: Warning: up delay (%d) is not a multiple of miimon (%d), updelay rounded to %d ms\n",
+ bond->dev->name, updelay,
+ bond->params.miimon,
+ (updelay / bond->params.miimon) *
+ bond->params.miimon);
+ }
+ bond->params.updelay = updelay / bond->params.miimon;
+ pr_info("%s: Setting up delay to %d.\n",
+ bond->dev->name,
+ bond->params.updelay * bond->params.miimon);
+ }
+
+ return 0;
+}