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path: root/drivers/net/bonding/bond_sysfs.c
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Diffstat (limited to 'drivers/net/bonding/bond_sysfs.c')
-rw-r--r--drivers/net/bonding/bond_sysfs.c139
1 files changed, 43 insertions, 96 deletions
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index 6368d299d5a6..f5c1a54095b9 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,
@@ -442,33 +445,23 @@ static ssize_t bonding_store_fail_over_mac(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);
- if (!rtnl_trylock())
- return restart_syscall();
-
- if (bond_has_slaves(bond)) {
- pr_err("%s: Can't alter fail_over_mac with slaves in bond.\n",
- bond->dev->name);
- ret = -EPERM;
- goto out;
- }
-
new_value = bond_parse_parm(buf, fail_over_mac_tbl);
if (new_value < 0) {
pr_err("%s: Ignoring invalid fail_over_mac value %s.\n",
bond->dev->name, buf);
- ret = -EINVAL;
- goto out;
+ return -EINVAL;
}
- bond->params.fail_over_mac = new_value;
- pr_info("%s: Setting fail_over_mac to %s (%d).\n",
- bond->dev->name, fail_over_mac_tbl[new_value].modename,
- new_value);
+ if (!rtnl_trylock())
+ return restart_syscall();
+
+ ret = bond_option_fail_over_mac_set(bond, new_value);
+ if (!ret)
+ ret = count;
-out:
rtnl_unlock();
return ret;
}
@@ -871,56 +864,22 @@ static ssize_t bonding_store_primary(struct device *d,
const char *buf, size_t count)
{
struct bonding *bond = to_bond(d);
- struct list_head *iter;
char ifname[IFNAMSIZ];
- struct slave *slave;
-
- if (!rtnl_trylock())
- return restart_syscall();
- block_netpoll_tx();
- write_lock_bh(&bond->curr_slave_lock);
-
- if (!USES_PRIMARY(bond->params.mode)) {
- pr_info("%s: Unable to set primary slave; %s is in mode %d\n",
- bond->dev->name, bond->dev->name, bond->params.mode);
- goto out;
- }
+ int ret;
sscanf(buf, "%15s", ifname); /* IFNAMSIZ */
+ if (ifname[0] == '\n')
+ ifname[0] = '\0';
- /* check to see if we are clearing primary */
- if (!strlen(ifname) || buf[0] == '\n') {
- pr_info("%s: Setting primary slave to None.\n",
- bond->dev->name);
- bond->primary_slave = NULL;
- memset(bond->params.primary, 0, sizeof(bond->params.primary));
- bond_select_active_slave(bond);
- goto out;
- }
-
- bond_for_each_slave(bond, slave, iter) {
- if (strncmp(slave->dev->name, ifname, IFNAMSIZ) == 0) {
- pr_info("%s: Setting %s as primary slave.\n",
- bond->dev->name, slave->dev->name);
- bond->primary_slave = slave;
- strcpy(bond->params.primary, slave->dev->name);
- bond_select_active_slave(bond);
- goto out;
- }
- }
+ if (!rtnl_trylock())
+ return restart_syscall();
- strncpy(bond->params.primary, ifname, IFNAMSIZ);
- bond->params.primary[IFNAMSIZ - 1] = 0;
+ ret = bond_option_primary_set(bond, ifname);
+ if (!ret)
+ ret = count;
- pr_info("%s: Recording %s as primary, "
- "but it has not been enslaved to %s yet.\n",
- bond->dev->name, ifname, bond->dev->name);
-out:
- write_unlock_bh(&bond->curr_slave_lock);
- unblock_netpoll_tx();
rtnl_unlock();
-
- return count;
+ return ret;
}
static DEVICE_ATTR(primary, S_IRUGO | S_IWUSR,
bonding_show_primary, bonding_store_primary);
@@ -943,32 +902,24 @@ static ssize_t bonding_store_primary_reselect(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);
- if (!rtnl_trylock())
- return restart_syscall();
-
new_value = bond_parse_parm(buf, pri_reselect_tbl);
if (new_value < 0) {
pr_err("%s: Ignoring invalid primary_reselect value %.*s.\n",
bond->dev->name,
(int) strlen(buf) - 1, buf);
- ret = -EINVAL;
- goto out;
+ return -EINVAL;
}
- bond->params.primary_reselect = new_value;
- pr_info("%s: setting primary_reselect to %s (%d).\n",
- bond->dev->name, pri_reselect_tbl[new_value].modename,
- new_value);
+ if (!rtnl_trylock())
+ return restart_syscall();
+
+ ret = bond_option_primary_reselect_set(bond, new_value);
+ if (!ret)
+ ret = count;
- block_netpoll_tx();
- write_lock_bh(&bond->curr_slave_lock);
- bond_select_active_slave(bond);
- write_unlock_bh(&bond->curr_slave_lock);
- unblock_netpoll_tx();
-out:
rtnl_unlock();
return ret;
}
@@ -1385,21 +1336,17 @@ static ssize_t bonding_store_resend_igmp(struct device *d,
if (sscanf(buf, "%d", &new_value) != 1) {
pr_err("%s: no resend_igmp value specified.\n",
bond->dev->name);
- ret = -EINVAL;
- goto out;
+ return -EINVAL;
}
- if (new_value < 0 || new_value > 255) {
- pr_err("%s: Invalid resend_igmp value %d not in range 0-255; rejected.\n",
- bond->dev->name, new_value);
- ret = -EINVAL;
- goto out;
- }
+ if (!rtnl_trylock())
+ return restart_syscall();
- pr_info("%s: Setting resend_igmp to %d.\n",
- bond->dev->name, new_value);
- bond->params.resend_igmp = new_value;
-out:
+ ret = bond_option_resend_igmp_set(bond, new_value);
+ if (!ret)
+ ret = count;
+
+ rtnl_unlock();
return ret;
}