diff options
| author | sfeldma@cumulusnetworks.com | 2013-12-12 23:10:09 +0100 |
|---|---|---|
| committer | David S. Miller | 2013-12-14 07:07:31 +0100 |
| commit | c7461f9bf5a11bf88fdbd05b26c6d55b77dcd46d (patch) | |
| tree | 2c80c47d2ef00b0c4cdf64835865612c73682cfb /drivers/net/bonding/bond_options.c | |
| parent | bonding: add updelay netlink support (diff) | |
| download | kernel-qcow2-linux-c7461f9bf5a11bf88fdbd05b26c6d55b77dcd46d.tar.gz kernel-qcow2-linux-c7461f9bf5a11bf88fdbd05b26c6d55b77dcd46d.tar.xz kernel-qcow2-linux-c7461f9bf5a11bf88fdbd05b26c6d55b77dcd46d.zip | |
bonding: add downdelay netlink support
Add IFLA_BOND_DOWNDELAY to allow get/set of bonding parameter
downdelay 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.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c index ae94b847ffcc..2914d649ee34 100644 --- a/drivers/net/bonding/bond_options.c +++ b/drivers/net/bonding/bond_options.c @@ -216,3 +216,32 @@ int bond_option_updelay_set(struct bonding *bond, int updelay) return 0; } + +int bond_option_downdelay_set(struct bonding *bond, int downdelay) +{ + if (!(bond->params.miimon)) { + pr_err("%s: Unable to set down delay as MII monitoring is disabled\n", + bond->dev->name); + return -EPERM; + } + + if (downdelay < 0) { + pr_err("%s: Invalid down delay value %d not in range %d-%d; rejected.\n", + bond->dev->name, downdelay, 0, INT_MAX); + return -EINVAL; + } else { + if ((downdelay % bond->params.miimon) != 0) { + pr_warn("%s: Warning: down delay (%d) is not a multiple of miimon (%d), delay rounded to %d ms\n", + bond->dev->name, downdelay, + bond->params.miimon, + (downdelay / bond->params.miimon) * + bond->params.miimon); + } + bond->params.downdelay = downdelay / bond->params.miimon; + pr_info("%s: Setting down delay to %d.\n", + bond->dev->name, + bond->params.downdelay * bond->params.miimon); + } + + return 0; +} |