batman-adv: purge bridge loop avoidance when its disabled
When bridge loop avoidance is disabled through sysfs, the internal datastructures are not disabled, but only BLA operations are disabled. To be sure that they are removed, purge the data immediately. That is especially useful if a firmwares network state is changed, and the BLA wait periods should restart on the new network. Signed-off-by: Simon Wunderlich <simon@open-mesh.com> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <a@unstable.cc>
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@ -1168,6 +1168,26 @@ void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
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}
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}
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}
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}
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/**
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* batadv_bla_status_update - purge bla interfaces if necessary
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* @net_dev: the soft interface net device
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*/
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void batadv_bla_status_update(struct net_device *net_dev)
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{
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struct batadv_priv *bat_priv = netdev_priv(net_dev);
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struct batadv_hard_iface *primary_if;
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primary_if = batadv_primary_if_get_selected(bat_priv);
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if (!primary_if)
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return;
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/* this function already purges everything when bla is disabled,
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* so just call that one.
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*/
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batadv_bla_update_orig_address(bat_priv, primary_if, primary_if);
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batadv_hardif_free_ref(primary_if);
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}
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/* periodic work to do:
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/* periodic work to do:
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* * purge structures when they are too old
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* * purge structures when they are too old
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* * send announcements
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* * send announcements
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@ -22,6 +22,7 @@
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#include <linux/types.h>
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#include <linux/types.h>
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struct net_device;
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struct seq_file;
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struct seq_file;
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struct sk_buff;
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struct sk_buff;
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@ -42,6 +43,7 @@ int batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
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void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
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void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
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struct batadv_hard_iface *primary_if,
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struct batadv_hard_iface *primary_if,
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struct batadv_hard_iface *oldif);
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struct batadv_hard_iface *oldif);
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void batadv_bla_status_update(struct net_device *net_dev);
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int batadv_bla_init(struct batadv_priv *bat_priv);
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int batadv_bla_init(struct batadv_priv *bat_priv);
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void batadv_bla_free(struct batadv_priv *bat_priv);
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void batadv_bla_free(struct batadv_priv *bat_priv);
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@ -40,6 +40,7 @@
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#include "distributed-arp-table.h"
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#include "distributed-arp-table.h"
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#include "gateway_client.h"
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#include "gateway_client.h"
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#include "gateway_common.h"
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#include "gateway_common.h"
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#include "bridge_loop_avoidance.h"
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#include "hard-interface.h"
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#include "hard-interface.h"
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#include "network-coding.h"
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#include "network-coding.h"
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#include "packet.h"
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#include "packet.h"
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@ -549,7 +550,8 @@ static ssize_t batadv_store_isolation_mark(struct kobject *kobj,
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BATADV_ATTR_SIF_BOOL(aggregated_ogms, S_IRUGO | S_IWUSR, NULL);
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BATADV_ATTR_SIF_BOOL(aggregated_ogms, S_IRUGO | S_IWUSR, NULL);
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BATADV_ATTR_SIF_BOOL(bonding, S_IRUGO | S_IWUSR, NULL);
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BATADV_ATTR_SIF_BOOL(bonding, S_IRUGO | S_IWUSR, NULL);
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#ifdef CONFIG_BATMAN_ADV_BLA
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#ifdef CONFIG_BATMAN_ADV_BLA
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BATADV_ATTR_SIF_BOOL(bridge_loop_avoidance, S_IRUGO | S_IWUSR, NULL);
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BATADV_ATTR_SIF_BOOL(bridge_loop_avoidance, S_IRUGO | S_IWUSR,
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batadv_bla_status_update);
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#endif
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#endif
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#ifdef CONFIG_BATMAN_ADV_DAT
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#ifdef CONFIG_BATMAN_ADV_DAT
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BATADV_ATTR_SIF_BOOL(distributed_arp_table, S_IRUGO | S_IWUSR,
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BATADV_ATTR_SIF_BOOL(distributed_arp_table, S_IRUGO | S_IWUSR,
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