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authorsfeldma@cumulusnetworks.com <sfeldma@cumulusnetworks.com>2013-12-15 16:42:12 -0800
committerDavid S. Miller <davem@davemloft.net>2013-12-17 16:08:45 -0500
commitf70161c67231f54f784529d7447ce4386d258b7a (patch)
tree62fa462795924d403b6fb03f8d3fccd54afd5162 /drivers/net/bonding/bond_sysfs.c
parent89901972de4c00e74e56529804493734d77ee3d3 (diff)
downloadlinux-f70161c67231f54f784529d7447ce4386d258b7a.tar.bz2
bonding: add xmit_hash_policy attribute netlink support
Add IFLA_BOND_XMIT_HASH_POLICY to allow get/set of bonding parameter xmit_hash_policy via netlink. Signed-off-by: Scott Feldman <sfeldma@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/bonding/bond_sysfs.c')
-rw-r--r--drivers/net/bonding/bond_sysfs.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index c84a90f9a0ac..4c7532289d87 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -318,7 +318,7 @@ static ssize_t bonding_store_xmit_hash(struct device *d,
struct device_attribute *attr,
const char *buf, size_t count)
{
- int new_value, ret = count;
+ int new_value, ret;
struct bonding *bond = to_bond(d);
new_value = bond_parse_parm(buf, xmit_hashtype_tbl);
@@ -326,14 +326,17 @@ static ssize_t bonding_store_xmit_hash(struct device *d,
pr_err("%s: Ignoring invalid xmit hash policy value %.*s.\n",
bond->dev->name,
(int)strlen(buf) - 1, buf);
- ret = -EINVAL;
- } else {
- bond->params.xmit_policy = new_value;
- pr_info("%s: setting xmit hash policy to %s (%d).\n",
- bond->dev->name,
- xmit_hashtype_tbl[new_value].modename, new_value);
+ return -EINVAL;
}
+ if (!rtnl_trylock())
+ return restart_syscall();
+
+ ret = bond_option_xmit_hash_policy_set(bond, new_value);
+ if (!ret)
+ ret = count;
+
+ rtnl_unlock();
return ret;
}
static DEVICE_ATTR(xmit_hash_policy, S_IRUGO | S_IWUSR,