From abff7162765cd66ab109c97fd433ef1f39299120 Mon Sep 17 00:00:00 2001 From: Arvid Brodin Date: Fri, 4 Jul 2014 23:35:47 +0200 Subject: [PATCH] net/hsr: Move to per-hsr device prune timer. Signed-off-by: Arvid Brodin Signed-off-by: David S. Miller --- net/hsr/hsr_device.c | 10 +++++++++- net/hsr/hsr_framereg.c | 5 ++++- net/hsr/hsr_framereg.h | 2 +- net/hsr/hsr_main.c | 24 ------------------------ net/hsr/hsr_main.h | 1 + 5 files changed, 15 insertions(+), 27 deletions(-) diff --git a/net/hsr/hsr_device.c b/net/hsr/hsr_device.c index 4e5d92a8f079..f224067153e4 100644 --- a/net/hsr/hsr_device.c +++ b/net/hsr/hsr_device.c @@ -429,7 +429,8 @@ static void hsr_dev_destroy(struct net_device *hsr_dev) hsr = netdev_priv(hsr_dev); - del_timer(&hsr->announce_timer); + del_timer_sync(&hsr->prune_timer); + del_timer_sync(&hsr->announce_timer); unregister_hsr_master(hsr); /* calls list_del_rcu on hsr */ restore_slaves(hsr_dev); call_rcu(&hsr->rcu_head, reclaim_hsr_dev); /* reclaim hsr */ @@ -523,6 +524,10 @@ int hsr_dev_finalize(struct net_device *hsr_dev, struct net_device *slave[2], hsr->announce_timer.function = hsr_announce; hsr->announce_timer.data = (unsigned long) hsr; + init_timer(&hsr->prune_timer); + hsr->prune_timer.function = hsr_prune_nodes; + hsr->prune_timer.data = (unsigned long) hsr; + ether_addr_copy(hsr->sup_multicast_addr, def_multicast_addr); hsr->sup_multicast_addr[ETH_ALEN - 1] = multicast_spec; @@ -596,6 +601,9 @@ int hsr_dev_finalize(struct net_device *hsr_dev, struct net_device *slave[2], if (res) goto fail; + hsr->prune_timer.expires = jiffies + msecs_to_jiffies(PRUNE_PERIOD); + add_timer(&hsr->prune_timer); + register_hsr_master(hsr); return 0; diff --git a/net/hsr/hsr_framereg.c b/net/hsr/hsr_framereg.c index b419edbd7012..79e3f7ff6654 100644 --- a/net/hsr/hsr_framereg.c +++ b/net/hsr/hsr_framereg.c @@ -366,12 +366,15 @@ static bool is_late(struct hsr_node *node, enum hsr_dev_idx dev_idx) /* Remove stale sequence_nr records. Called by timer every * HSR_LIFE_CHECK_INTERVAL (two seconds or so). */ -void hsr_prune_nodes(struct hsr_priv *hsr) +void hsr_prune_nodes(unsigned long data) { + struct hsr_priv *hsr; struct hsr_node *node; unsigned long timestamp; unsigned long time_a, time_b; + hsr = (struct hsr_priv *) data; + rcu_read_lock(); list_for_each_entry_rcu(node, &hsr->node_db, mac_list) { /* Shorthand */ diff --git a/net/hsr/hsr_framereg.h b/net/hsr/hsr_framereg.h index 3675139df379..ccb09cf4ec5b 100644 --- a/net/hsr/hsr_framereg.h +++ b/net/hsr/hsr_framereg.h @@ -32,7 +32,7 @@ void hsr_register_frame_in(struct hsr_node *node, enum hsr_dev_idx dev_idx); int hsr_register_frame_out(struct hsr_node *node, enum hsr_dev_idx dev_idx, struct sk_buff *skb); -void hsr_prune_nodes(struct hsr_priv *hsr); +void hsr_prune_nodes(unsigned long data); int hsr_create_self_node(struct list_head *self_node_db, unsigned char addr_a[ETH_ALEN], diff --git a/net/hsr/hsr_main.c b/net/hsr/hsr_main.c index bcda901437bc..5f9cd7fdbd93 100644 --- a/net/hsr/hsr_main.c +++ b/net/hsr/hsr_main.c @@ -175,22 +175,6 @@ static int hsr_netdev_notify(struct notifier_block *nb, unsigned long event, } -static struct timer_list prune_timer; - -static void prune_nodes_all(unsigned long data) -{ - struct hsr_priv *hsr; - - rcu_read_lock(); - list_for_each_entry_rcu(hsr, &hsr_list, hsr_list) - hsr_prune_nodes(hsr); - rcu_read_unlock(); - - prune_timer.expires = jiffies + msecs_to_jiffies(PRUNE_PERIOD); - add_timer(&prune_timer); -} - - static struct notifier_block hsr_nb = { .notifier_call = hsr_netdev_notify, /* Slave event notifications */ }; @@ -202,14 +186,7 @@ static int __init hsr_init(void) BUILD_BUG_ON(sizeof(struct hsr_tag) != HSR_HLEN); - init_timer(&prune_timer); - prune_timer.function = prune_nodes_all; - prune_timer.data = 0; - prune_timer.expires = jiffies + msecs_to_jiffies(PRUNE_PERIOD); - add_timer(&prune_timer); - register_netdevice_notifier(&hsr_nb); - res = hsr_netlink_init(); return res; @@ -218,7 +195,6 @@ static int __init hsr_init(void) static void __exit hsr_exit(void) { unregister_netdevice_notifier(&hsr_nb); - del_timer_sync(&prune_timer); hsr_netlink_exit(); } diff --git a/net/hsr/hsr_main.h b/net/hsr/hsr_main.h index d919321b0bdb..43689a6d731f 100644 --- a/net/hsr/hsr_main.h +++ b/net/hsr/hsr_main.h @@ -153,6 +153,7 @@ struct hsr_priv { struct list_head node_db; /* Other HSR nodes */ struct list_head self_node_db; /* MACs of slaves */ struct timer_list announce_timer; /* Supervision frame dispatch */ + struct timer_list prune_timer; int announce_count; u16 sequence_nr; spinlock_t seqnr_lock; /* locking for sequence_nr */ -- 2.30.2