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Commit abff7162 authored by Arvid Brodin's avatar Arvid Brodin Committed by David S. Miller
Browse files

net/hsr: Move to per-hsr device prune timer. 



Signed-off-by: default avatarArvid Brodin <arvid.brodin@alten.se>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 81ba6afd

net/hsr/hsr_device.c

+9 −1
Original line number Diff line number Diff line
@@ -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;

net/hsr/hsr_framereg.c

+4 −1
Original line number Diff line number Diff line
@@ -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 */

net/hsr/hsr_framereg.h

+1 −1
Original line number Diff line number Diff line
@@ -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],

net/hsr/hsr_main.c

+0 −24
Original line number Diff line number Diff line
@@ -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();

}

net/hsr/hsr_main.h

+1 −0
Original line number Diff line number Diff line
@@ -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 */