void hsr_set_carrier(struct net_device *hsr_dev, struct net_device *slave1,
struct net_device *slave2)
{
if (is_slave_up(slave1) || is_slave_up(slave2))
netif_carrier_on(hsr_dev);
else
netif_carrier_off(hsr_dev);
}
void hsr_set_operstate(struct net_device *hsr_dev, struct net_device *slave1,
struct net_device *slave2)
{
if (!is_admin_up(hsr_dev)) {
__hsr_set_operstate(hsr_dev, IF_OPER_DOWN);
return;
}
if (is_slave_up(slave1) || is_slave_up(slave2))
__hsr_set_operstate(hsr_dev, IF_OPER_UP);
else
__hsr_set_operstate(hsr_dev, IF_OPER_LOWERLAYERDOWN);
}
static int hsr_dev_open(struct net_device *dev)
{
struct hsr_priv *hsr;
struct hsr_port *port;
char designation;
hsr = netdev_priv(dev);
designation = '\0';
rcu_read_lock();
hsr_for_each_port(hsr, port) {
if (port->type == HSR_PT_MASTER)
continue;
switch (port->type) {
case HSR_PT_SLAVE_A:
designation = 'A';
break;
case HSR_PT_SLAVE_B:
designation = 'B';
break;
default:
designation = '?';
}
if (!is_slave_up(port->dev))
netdev_warn(dev, "Slave %c (%s) is not up; please bring it up to get a fully working HSR network\n",
designation, port->dev->name);
}
rcu_read_unlock();
if (designation == '\0')
netdev_warn(dev, "No slave devices configured\n");
return 0;
}
static int hsr_dev_open(struct net_device *dev)
{
struct hsr_priv *hsr_priv;
int i;
char *slave_name;
hsr_priv = netdev_priv(dev);
for (i = 0; i < HSR_MAX_SLAVE; i++) {
if (hsr_priv->slave[i])
slave_name = hsr_priv->slave[i]->name;
else
slave_name = "null";
if (!is_slave_up(hsr_priv->slave[i]))
netdev_warn(dev, "Slave %c (%s) is not up; please bring it up to get a working HSR network\n",
'A' + i, slave_name);
}
return 0;
}
static bool hsr_check_carrier(struct hsr_port *master)
{
struct hsr_port *port;
bool has_carrier;
has_carrier = false;
rcu_read_lock();
hsr_for_each_port(master->hsr, port)
if ((port->type != HSR_PT_MASTER) && is_slave_up(port->dev)) {
has_carrier = true;
break;
}
rcu_read_unlock();
if (has_carrier)
netif_carrier_on(master->dev);
else
netif_carrier_off(master->dev);
return has_carrier;
}
