/* Announce (supervision frame) timer function
*/
static void hsr_announce(unsigned long data)
{
struct hsr_priv *hsr;
struct hsr_port *master;
hsr = (struct hsr_priv *) data;
rcu_read_lock();
master = hsr_port_get_hsr(hsr, HSR_PT_MASTER);
if (hsr->announce_count < 3 && hsr->protVersion == 0) {
send_hsr_supervision_frame(master, HSR_TLV_ANNOUNCE,
hsr->protVersion);
hsr->announce_count++;
hsr->announce_timer.expires = jiffies +
msecs_to_jiffies(HSR_ANNOUNCE_INTERVAL);
} else {
send_hsr_supervision_frame(master, HSR_TLV_LIFE_CHECK,
hsr->protVersion);
hsr->announce_timer.expires = jiffies +
msecs_to_jiffies(HSR_LIFE_CHECK_INTERVAL);
}
if (is_admin_up(master->dev))
add_timer(&hsr->announce_timer);
rcu_read_unlock();
}
static void hsr_set_operstate(struct hsr_port *master, bool has_carrier)
{
if (!is_admin_up(master->dev)) {
__hsr_set_operstate(master->dev, IF_OPER_DOWN);
return;
}
if (has_carrier)
__hsr_set_operstate(master->dev, IF_OPER_UP);
else
__hsr_set_operstate(master->dev, IF_OPER_LOWERLAYERDOWN);
}
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);
}
/* Announce (supervision frame) timer function
*/
static void hsr_announce(unsigned long data)
{
struct hsr_priv *hsr_priv;
hsr_priv = (struct hsr_priv *) data;
if (hsr_priv->announce_count < 3) {
send_hsr_supervision_frame(hsr_priv->dev, HSR_TLV_ANNOUNCE);
hsr_priv->announce_count++;
} else {
send_hsr_supervision_frame(hsr_priv->dev, HSR_TLV_LIFE_CHECK);
}
if (hsr_priv->announce_count < 3)
hsr_priv->announce_timer.expires = jiffies +
msecs_to_jiffies(HSR_ANNOUNCE_INTERVAL);
else
hsr_priv->announce_timer.expires = jiffies +
msecs_to_jiffies(HSR_LIFE_CHECK_INTERVAL);
if (is_admin_up(hsr_priv->dev))
add_timer(&hsr_priv->announce_timer);
}
static bool is_slave_up(struct net_device *dev)
{
return dev && is_admin_up(dev) && netif_oper_up(dev);
}
