diff options
Diffstat (limited to 'net/hsr/hsr_device.c')
| -rw-r--r-- | net/hsr/hsr_device.c | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/net/hsr/hsr_device.c b/net/hsr/hsr_device.c index 26d5282a6496..e6904288d40d 100644 --- a/net/hsr/hsr_device.c +++ b/net/hsr/hsr_device.c @@ -61,39 +61,36 @@ static bool hsr_check_carrier(struct hsr_port *master) return false; } -static void hsr_check_announce(struct net_device *hsr_dev, - unsigned char old_operstate) +static void hsr_check_announce(struct net_device *hsr_dev) { struct hsr_priv *hsr; hsr = netdev_priv(hsr_dev); - - if (READ_ONCE(hsr_dev->operstate) == IF_OPER_UP && old_operstate != IF_OPER_UP) { - /* Went up */ - hsr->announce_count = 0; - mod_timer(&hsr->announce_timer, - jiffies + msecs_to_jiffies(HSR_ANNOUNCE_INTERVAL)); + if (netif_running(hsr_dev) && netif_oper_up(hsr_dev)) { + /* Enable announce timer and start sending supervisory frames */ + if (!timer_pending(&hsr->announce_timer)) { + hsr->announce_count = 0; + mod_timer(&hsr->announce_timer, jiffies + + msecs_to_jiffies(HSR_ANNOUNCE_INTERVAL)); + } + } else { + /* Deactivate the announce timer */ + timer_delete(&hsr->announce_timer); } - - if (READ_ONCE(hsr_dev->operstate) != IF_OPER_UP && old_operstate == IF_OPER_UP) - /* Went down */ - del_timer(&hsr->announce_timer); } void hsr_check_carrier_and_operstate(struct hsr_priv *hsr) { struct hsr_port *master; - unsigned char old_operstate; bool has_carrier; master = hsr_port_get_hsr(hsr, HSR_PT_MASTER); /* netif_stacked_transfer_operstate() cannot be used here since * it doesn't set IF_OPER_LOWERLAYERDOWN (?) */ - old_operstate = READ_ONCE(master->dev->operstate); has_carrier = hsr_check_carrier(master); hsr_set_operstate(master, has_carrier); - hsr_check_announce(master->dev, old_operstate); + hsr_check_announce(master->dev); } int hsr_get_max_mtu(struct hsr_priv *hsr) |